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-rw-r--r--lib/compat/Makefile.am101
-rw-r--r--lib/compat/Makefile.in963
-rw-r--r--lib/compat/alphasort.c32
-rw-r--r--lib/compat/asprintf.c38
-rw-r--r--lib/compat/compat.h187
-rw-r--r--lib/compat/empty.c2
-rw-r--r--lib/compat/getopt.c1051
-rw-r--r--lib/compat/getopt.h135
-rw-r--r--lib/compat/getopt1.c191
-rw-r--r--lib/compat/gettext.h303
-rw-r--r--lib/compat/md5.c252
-rw-r--r--lib/compat/md5.h36
-rw-r--r--lib/compat/obstack.c434
-rw-r--r--lib/compat/obstack.h513
-rw-r--r--lib/compat/scandir.c99
-rw-r--r--lib/compat/selinux.c92
-rw-r--r--lib/compat/snprintf.c39
-rw-r--r--lib/compat/strchrnul.c37
-rw-r--r--lib/compat/strerror.c48
-rw-r--r--lib/compat/strndup.c42
-rw-r--r--lib/compat/strnlen.c33
-rw-r--r--lib/compat/strsignal.c76
-rw-r--r--lib/compat/unsetenv.c39
-rw-r--r--lib/compat/vasprintf.c59
-rw-r--r--lib/compat/vsnprintf.c81
25 files changed, 4883 insertions, 0 deletions
diff --git a/lib/compat/Makefile.am b/lib/compat/Makefile.am
new file mode 100644
index 0000000..4477c27
--- /dev/null
+++ b/lib/compat/Makefile.am
@@ -0,0 +1,101 @@
+## Process this file with automake to produce Makefile.in
+
+AM_CPPFLAGS = \
+ -idirafter $(top_srcdir)/lib/compat \
+ -I$(top_builddir)
+
+
+noinst_LTLIBRARIES = libcompat-test.la libcompat.la
+
+libcompat_test_la_CPPFLAGS = $(AM_CPPFLAGS) -DTEST_LIBCOMPAT=1
+libcompat_test_la_SOURCES = \
+ compat.h \
+ md5.c md5.h \
+ strchrnul.c \
+ strnlen.c \
+ strndup.c \
+ strsignal.c \
+ snprintf.c vsnprintf.c \
+ asprintf.c vasprintf.c \
+ alphasort.c \
+ scandir.c \
+ unsetenv.c
+
+if HAVE_SYS_ERRLIST
+libcompat_test_la_SOURCES += strerror.c
+endif
+
+if WITH_LIBSELINUX
+libcompat_test_la_SOURCES += selinux.c
+endif
+
+libcompat_la_SOURCES = \
+ empty.c \
+ compat.h \
+ gettext.h
+
+if !HAVE_LIBMD_MD5
+libcompat_la_SOURCES += md5.c md5.h
+endif
+
+if !HAVE_GETOPT
+libcompat_la_SOURCES += getopt.c getopt.h
+else
+if !HAVE_GETOPT_LONG
+libcompat_la_SOURCES += getopt.c getopt.h
+endif
+endif
+
+if !HAVE_GETOPT_LONG
+libcompat_la_SOURCES += getopt1.c
+endif
+
+if !HAVE_OBSTACK_FREE
+libcompat_la_SOURCES += obstack.c obstack.h
+endif
+
+if !HAVE_STRNLEN
+libcompat_la_SOURCES += strnlen.c
+endif
+
+if !HAVE_STRCHRNUL
+libcompat_la_SOURCES += strchrnul.c
+endif
+
+if !HAVE_STRNDUP
+libcompat_la_SOURCES += strndup.c
+endif
+
+if !HAVE_STRERROR
+libcompat_la_SOURCES += strerror.c
+endif
+
+if !HAVE_STRSIGNAL
+libcompat_la_SOURCES += strsignal.c
+endif
+
+if WITH_LIBSELINUX
+if !HAVE_SETEXECFILECON
+libcompat_la_SOURCES += selinux.c
+endif
+endif
+
+if !HAVE_C99_SNPRINTF
+libcompat_la_SOURCES += snprintf.c vsnprintf.c
+endif
+
+if !HAVE_ASPRINTF
+libcompat_la_SOURCES += asprintf.c vasprintf.c
+endif
+
+if !HAVE_ALPHASORT
+libcompat_la_SOURCES += alphasort.c
+endif
+
+if !HAVE_SCANDIR
+libcompat_la_SOURCES += scandir.c
+endif
+
+if !HAVE_UNSETENV
+libcompat_la_SOURCES += unsetenv.c
+endif
diff --git a/lib/compat/Makefile.in b/lib/compat/Makefile.in
new file mode 100644
index 0000000..c78552c
--- /dev/null
+++ b/lib/compat/Makefile.in
@@ -0,0 +1,963 @@
+# Makefile.in generated by automake 1.16.3 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2020 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+ if test -z '$(MAKELEVEL)'; then \
+ false; \
+ elif test -n '$(MAKE_HOST)'; then \
+ true; \
+ elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+ true; \
+ else \
+ false; \
+ fi; \
+}
+am__make_running_with_option = \
+ case $${target_option-} in \
+ ?) ;; \
+ *) echo "am__make_running_with_option: internal error: invalid" \
+ "target option '$${target_option-}' specified" >&2; \
+ exit 1;; \
+ esac; \
+ has_opt=no; \
+ sane_makeflags=$$MAKEFLAGS; \
+ if $(am__is_gnu_make); then \
+ sane_makeflags=$$MFLAGS; \
+ else \
+ case $$MAKEFLAGS in \
+ *\\[\ \ ]*) \
+ bs=\\; \
+ sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+ | sed "s/$$bs$$bs[$$bs $$bs ]*//g"`;; \
+ esac; \
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+ case $$flg in \
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+ -*l?*) strip_trailopt 'l';; \
+ -[dEDm]) skip_next=yes;; \
+ -[JT]) skip_next=yes;; \
+ esac; \
+ case $$flg in \
+ *$$target_option*) has_opt=yes; break;; \
+ esac; \
+ done; \
+ test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
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+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
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+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+@HAVE_SYS_ERRLIST_TRUE@am__append_1 = strerror.c
+@WITH_LIBSELINUX_TRUE@am__append_2 = selinux.c
+@HAVE_LIBMD_MD5_FALSE@am__append_3 = md5.c md5.h
+@HAVE_GETOPT_FALSE@am__append_4 = getopt.c getopt.h
+@HAVE_GETOPT_LONG_FALSE@@HAVE_GETOPT_TRUE@am__append_5 = getopt.c getopt.h
+@HAVE_GETOPT_LONG_FALSE@am__append_6 = getopt1.c
+@HAVE_OBSTACK_FREE_FALSE@am__append_7 = obstack.c obstack.h
+@HAVE_STRNLEN_FALSE@am__append_8 = strnlen.c
+@HAVE_STRCHRNUL_FALSE@am__append_9 = strchrnul.c
+@HAVE_STRNDUP_FALSE@am__append_10 = strndup.c
+@HAVE_STRERROR_FALSE@am__append_11 = strerror.c
+@HAVE_STRSIGNAL_FALSE@am__append_12 = strsignal.c
+@HAVE_SETEXECFILECON_FALSE@@WITH_LIBSELINUX_TRUE@am__append_13 = selinux.c
+@HAVE_C99_SNPRINTF_FALSE@am__append_14 = snprintf.c vsnprintf.c
+@HAVE_ASPRINTF_FALSE@am__append_15 = asprintf.c vasprintf.c
+@HAVE_ALPHASORT_FALSE@am__append_16 = alphasort.c
+@HAVE_SCANDIR_FALSE@am__append_17 = scandir.c
+@HAVE_UNSETENV_FALSE@am__append_18 = unsetenv.c
+subdir = lib/compat
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/m4/dpkg-arch.m4 \
+ $(top_srcdir)/m4/dpkg-build.m4 \
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+ $(top_srcdir)/m4/host-cpu-c-abi.m4 $(top_srcdir)/m4/iconv.m4 \
+ $(top_srcdir)/m4/intlmacosx.m4 $(top_srcdir)/m4/lib-ld.m4 \
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+ $(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \
+ $(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \
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+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+ $(ACLOCAL_M4)
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+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+LTLIBRARIES = $(noinst_LTLIBRARIES)
+libcompat_test_la_LIBADD =
+am__libcompat_test_la_SOURCES_DIST = compat.h md5.c md5.h strchrnul.c \
+ strnlen.c strndup.c strsignal.c snprintf.c vsnprintf.c \
+ asprintf.c vasprintf.c alphasort.c scandir.c unsetenv.c \
+ strerror.c selinux.c
+@HAVE_SYS_ERRLIST_TRUE@am__objects_1 = libcompat_test_la-strerror.lo
+@WITH_LIBSELINUX_TRUE@am__objects_2 = libcompat_test_la-selinux.lo
+am_libcompat_test_la_OBJECTS = libcompat_test_la-md5.lo \
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+ libcompat_test_la-snprintf.lo libcompat_test_la-vsnprintf.lo \
+ libcompat_test_la-asprintf.lo libcompat_test_la-vasprintf.lo \
+ libcompat_test_la-alphasort.lo libcompat_test_la-scandir.lo \
+ libcompat_test_la-unsetenv.lo $(am__objects_1) \
+ $(am__objects_2)
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+am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
+am__v_lt_0 = --silent
+am__v_lt_1 =
+libcompat_la_LIBADD =
+am__libcompat_la_SOURCES_DIST = empty.c compat.h gettext.h md5.c md5.h \
+ getopt.c getopt.h getopt1.c obstack.c obstack.h strnlen.c \
+ strchrnul.c strndup.c strerror.c strsignal.c selinux.c \
+ snprintf.c vsnprintf.c asprintf.c vasprintf.c alphasort.c \
+ scandir.c unsetenv.c
+@HAVE_LIBMD_MD5_FALSE@am__objects_3 = md5.lo
+@HAVE_GETOPT_FALSE@am__objects_4 = getopt.lo
+@HAVE_GETOPT_LONG_FALSE@@HAVE_GETOPT_TRUE@am__objects_5 = getopt.lo
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+@HAVE_OBSTACK_FREE_FALSE@am__objects_7 = obstack.lo
+@HAVE_STRNLEN_FALSE@am__objects_8 = strnlen.lo
+@HAVE_STRCHRNUL_FALSE@am__objects_9 = strchrnul.lo
+@HAVE_STRNDUP_FALSE@am__objects_10 = strndup.lo
+@HAVE_STRERROR_FALSE@am__objects_11 = strerror.lo
+@HAVE_STRSIGNAL_FALSE@am__objects_12 = strsignal.lo
+@HAVE_SETEXECFILECON_FALSE@@WITH_LIBSELINUX_TRUE@am__objects_13 = \
+@HAVE_SETEXECFILECON_FALSE@@WITH_LIBSELINUX_TRUE@ selinux.lo
+@HAVE_C99_SNPRINTF_FALSE@am__objects_14 = snprintf.lo vsnprintf.lo
+@HAVE_ASPRINTF_FALSE@am__objects_15 = asprintf.lo vasprintf.lo
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+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/lib/compat/alphasort.c b/lib/compat/alphasort.c
new file mode 100644
index 0000000..b393b87
--- /dev/null
+++ b/lib/compat/alphasort.c
@@ -0,0 +1,32 @@
+/*
+ * libcompat - system compatibility library
+ *
+ * Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <string.h>
+#include <dirent.h>
+
+#include "compat.h"
+
+int
+alphasort(const void *a, const void *b)
+{
+ return strcmp((*(const struct dirent **)a)->d_name,
+ (*(const struct dirent **)b)->d_name);
+}
diff --git a/lib/compat/asprintf.c b/lib/compat/asprintf.c
new file mode 100644
index 0000000..9605faf
--- /dev/null
+++ b/lib/compat/asprintf.c
@@ -0,0 +1,38 @@
+/*
+ * libcompat - system compatibility library
+ *
+ * Copyright © 2010 Guillem Jover <guillem@debian.org>
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <stdarg.h>
+#include <stdio.h>
+
+#include "compat.h"
+
+int
+asprintf(char **strp, char const *fmt, ...)
+{
+ va_list args;
+ int n;
+
+ va_start(args, fmt);
+ n = vasprintf(strp, fmt, args);
+ va_end(args);
+
+ return n;
+}
diff --git a/lib/compat/compat.h b/lib/compat/compat.h
new file mode 100644
index 0000000..c1aa601
--- /dev/null
+++ b/lib/compat/compat.h
@@ -0,0 +1,187 @@
+/*
+ * libcompat - system compatibility library
+ * compat.h - system compatibility declarations
+ *
+ * Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ * Copyright © 2008, 2009 Guillem Jover <guillem@debian.org>
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef COMPAT_H
+#define COMPAT_H
+
+#ifndef TEST_LIBCOMPAT
+#define TEST_LIBCOMPAT 0
+#endif
+
+#if TEST_LIBCOMPAT || !defined(HAVE_STRNLEN) || !defined(HAVE_STRNDUP) || \
+ !defined(HAVE_C99_SNPRINTF)
+#include <stddef.h>
+#endif
+
+#if TEST_LIBCOMPAT || !defined(HAVE_ASPRINTF) || !defined(HAVE_C99_SNPRINTF)
+#include <stdarg.h>
+#endif
+
+#if TEST_LIBCOMPAT || !defined(HAVE_VA_COPY)
+#include <string.h>
+#endif
+
+/* Language definitions. */
+
+#ifdef __GNUC__
+#define LIBCOMPAT_GCC_VERSION (__GNUC__ << 8 | __GNUC_MINOR__)
+#else
+#define LIBCOMPAT_GCC_VERSION 0
+#endif
+
+#if LIBCOMPAT_GCC_VERSION >= 0x0300
+#define LIBCOMPAT_ATTR_PRINTF(n) __attribute__((format(printf, n, n + 1)))
+#define LIBCOMPAT_ATTR_VPRINTF(n) __attribute__((format(printf, n, 0)))
+#else
+#define LIBCOMPAT_ATTR_PRINTF(n)
+#define LIBCOMPAT_ATTR_VPRINTF(n)
+#endif
+
+/* For C++, define a __func__ fallback in case it's not natively supported. */
+#if defined(__cplusplus) && __cplusplus < 201103L
+# if LIBCOMPAT_GCC_VERSION >= 0x0200
+# define __func__ __PRETTY_FUNCTION__
+# else
+# define __func__ __FUNCTION__
+# endif
+#endif
+
+#if defined(__cplusplus) && __cplusplus < 201103L
+#define nullptr 0
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef HAVE_OFFSETOF
+#define offsetof(st, m) ((size_t)&((st *)NULL)->m)
+#endif
+
+#ifndef HAVE_MAKEDEV
+#define makedev(maj, min) ((((maj) & 0xff) << 8) | ((min) & 0xff))
+#endif
+
+#ifndef HAVE_O_NOFOLLOW
+#define O_NOFOLLOW 0
+#endif
+
+#ifndef HAVE_P_TMPDIR
+#define P_tmpdir "/tmp"
+#endif
+
+/*
+ * Define WCOREDUMP if we don't have it already, coredumps won't be
+ * detected, though.
+ */
+#ifndef HAVE_WCOREDUMP
+#define WCOREDUMP(x) 0
+#endif
+
+#ifndef HAVE_VA_COPY
+#define va_copy(dest, src) memcpy(&(dest), &(src), sizeof(va_list))
+#endif
+
+#if TEST_LIBCOMPAT
+#undef snprintf
+#define snprintf test_snprintf
+#undef vsnprintf
+#define vsnprintf test_vsnprintf
+#undef asprintf
+#define asprintf test_asprintf
+#undef vasprintf
+#define vasprintf test_vasprintf
+#undef strchrnul
+#define strchrnul test_strchrnul
+#undef strndup
+#define strndup test_strndup
+#undef strnlen
+#define strnlen test_strnlen
+#undef strerror
+#define strerror test_strerror
+#undef strsignal
+#define strsignal test_strsignal
+#undef scandir
+#define scandir test_scandir
+#undef alphasort
+#define alphasort test_alphasort
+#undef unsetenv
+#define unsetenv test_unsetenv
+#endif
+
+#if TEST_LIBCOMPAT || !defined(HAVE_C99_SNPRINTF)
+int snprintf(char *str, size_t n, char const *fmt, ...)
+ LIBCOMPAT_ATTR_PRINTF(3);
+int vsnprintf(char *buf, size_t maxsize, const char *fmt, va_list args)
+ LIBCOMPAT_ATTR_VPRINTF(3);
+#endif
+
+#if TEST_LIBCOMPAT || !defined(HAVE_ASPRINTF)
+int asprintf(char **str, char const *fmt, ...)
+ LIBCOMPAT_ATTR_PRINTF(2);
+int vasprintf(char **str, const char *fmt, va_list args)
+ LIBCOMPAT_ATTR_VPRINTF(2);
+#endif
+
+#if TEST_LIBCOMPAT || !defined(HAVE_STRCHRNUL)
+char *strchrnul(const char *s, int c);
+#endif
+
+#if TEST_LIBCOMPAT || !defined(HAVE_STRNLEN)
+size_t strnlen(const char *s, size_t n);
+#endif
+
+#if TEST_LIBCOMPAT || !defined(HAVE_STRNDUP)
+char *strndup(const char *s, size_t n);
+#endif
+
+#if TEST_LIBCOMPAT || !defined(HAVE_STRERROR)
+const char *strerror(int);
+#endif
+
+#if TEST_LIBCOMPAT || !defined(HAVE_STRSIGNAL)
+const char *strsignal(int);
+#endif
+
+#if TEST_LIBCOMPAT || !defined(HAVE_SCANDIR)
+struct dirent;
+int scandir(const char *dir, struct dirent ***namelist,
+ int (*filter)(const struct dirent *),
+ int (*cmp)(const void *, const void *));
+#endif
+
+#if TEST_LIBCOMPAT || !defined(HAVE_ALPHASORT)
+int alphasort(const void *a, const void *b);
+#endif
+
+#if TEST_LIBCOMPAT || !defined(HAVE_UNSETENV)
+int unsetenv(const char *x);
+#endif
+
+#if TEST_LIBCOMPAT || !defined(HAVE_SETEXECFILECON)
+int setexecfilecon(const char *filename, const char *fallback_type);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* COMPAT_H */
diff --git a/lib/compat/empty.c b/lib/compat/empty.c
new file mode 100644
index 0000000..ec2e46e
--- /dev/null
+++ b/lib/compat/empty.c
@@ -0,0 +1,2 @@
+/* Some implementations of ar cannot create an empty archive. */
+int libdpkg_empty_dummy_symbol;
diff --git a/lib/compat/getopt.c b/lib/compat/getopt.c
new file mode 100644
index 0000000..b13f814
--- /dev/null
+++ b/lib/compat/getopt.c
@@ -0,0 +1,1051 @@
+/* Getopt for GNU.
+ NOTE: getopt is now part of the C library, so if you don't know what
+ "Keep this file name-space clean" means, talk to roland@gnu.ai.mit.edu
+ before changing it!
+
+ Copyright (C) 1987, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97
+ Free Software Foundation, Inc.
+
+ the C library, however. The master source lives in /gd/gnu/lib.
+
+NOTE: The canonical source of this file is maintained with the GNU C Library.
+Bugs can be reported to bug-glibc@prep.ai.mit.edu.
+
+This program is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+USA. */
+
+/* This tells Alpha OSF/1 not to define a getopt prototype in <stdio.h>.
+ Ditto for AIX 3.2 and <stdlib.h>. */
+#ifndef _NO_PROTO
+#define _NO_PROTO
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#if !defined (__STDC__) || !__STDC__
+/* This is a separate conditional since some stdc systems
+ reject `defined (const)'. */
+#ifndef const
+#define const
+#endif
+#endif
+
+#include <stdio.h>
+
+/* Comment out all this code if we are using the GNU C Library, and are not
+ actually compiling the library itself. This code is part of the GNU C
+ Library, but also included in many other GNU distributions. Compiling
+ and linking in this code is a waste when using the GNU C library
+ (especially if it is a shared library). Rather than having every GNU
+ program understand `configure --with-gnu-libc' and omit the object files,
+ it is simpler to just do this in the source for each such file. */
+
+#define GETOPT_INTERFACE_VERSION 2
+#if !defined (_LIBC) && defined (__GLIBC__) && __GLIBC__ >= 2
+#include <gnu-versions.h>
+#if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
+#define ELIDE_CODE
+#endif
+#endif
+
+#ifndef ELIDE_CODE
+
+
+/* This needs to come after some library #include
+ to get __GNU_LIBRARY__ defined. */
+#ifdef __GNU_LIBRARY__
+/* Don't include stdlib.h for non-GNU C libraries because some of them
+ contain conflicting prototypes for getopt. */
+#include <stdlib.h>
+#include <unistd.h>
+#endif /* GNU C library. */
+
+#ifdef VMS
+#include <unixlib.h>
+#if HAVE_STRING_H - 0
+#include <string.h>
+#endif
+#endif
+
+#if defined (WIN32) && !defined (__CYGWIN32__)
+/* It's not Unix, really. See? Capital letters. */
+#include <windows.h>
+#define getpid() GetCurrentProcessId()
+#endif
+
+/* XXX: Disable intl support, because we do not carry the translations anyway
+ * and this pulls indirectly libintl, which we do not want to impose. */
+#ifndef _
+#define _(msgid) (msgid)
+#endif
+
+/* This version of `getopt' appears to the caller like standard Unix `getopt'
+ but it behaves differently for the user, since it allows the user
+ to intersperse the options with the other arguments.
+
+ As `getopt' works, it permutes the elements of ARGV so that,
+ when it is done, all the options precede everything else. Thus
+ all application programs are extended to handle flexible argument order.
+
+ Setting the environment variable POSIXLY_CORRECT disables permutation.
+ Then the behavior is completely standard.
+
+ GNU application programs can use a third alternative mode in which
+ they can distinguish the relative order of options and other arguments. */
+
+#include "getopt.h"
+
+/* For communication from `getopt' to the caller.
+ When `getopt' finds an option that takes an argument,
+ the argument value is returned here.
+ Also, when `ordering' is RETURN_IN_ORDER,
+ each non-option ARGV-element is returned here. */
+
+char *optarg = NULL;
+
+/* Index in ARGV of the next element to be scanned.
+ This is used for communication to and from the caller
+ and for communication between successive calls to `getopt'.
+
+ On entry to `getopt', zero means this is the first call; initialize.
+
+ When `getopt' returns -1, this is the index of the first of the
+ non-option elements that the caller should itself scan.
+
+ Otherwise, `optind' communicates from one call to the next
+ how much of ARGV has been scanned so far. */
+
+/* 1003.2 says this must be 1 before any call. */
+int optind = 1;
+
+/* Formerly, initialization of getopt depended on optind==0, which
+ causes problems with re-calling getopt as programs generally don't
+ know that. */
+
+int __getopt_initialized = 0;
+
+/* The next char to be scanned in the option-element
+ in which the last option character we returned was found.
+ This allows us to pick up the scan where we left off.
+
+ If this is zero, or a null string, it means resume the scan
+ by advancing to the next ARGV-element. */
+
+static char *nextchar;
+
+/* Callers store zero here to inhibit the error message
+ for unrecognized options. */
+
+int opterr = 1;
+
+/* Set to an option character which was unrecognized.
+ This must be initialized on some systems to avoid linking in the
+ system's own getopt implementation. */
+
+int optopt = '?';
+
+/* Describe how to deal with options that follow non-option ARGV-elements.
+
+ If the caller did not specify anything,
+ the default is REQUIRE_ORDER if the environment variable
+ POSIXLY_CORRECT is defined, PERMUTE otherwise.
+
+ REQUIRE_ORDER means don't recognize them as options;
+ stop option processing when the first non-option is seen.
+ This is what Unix does.
+ This mode of operation is selected by either setting the environment
+ variable POSIXLY_CORRECT, or using `+' as the first character
+ of the list of option characters.
+
+ PERMUTE is the default. We permute the contents of ARGV as we scan,
+ so that eventually all the non-options are at the end. This allows options
+ to be given in any order, even with programs that were not written to
+ expect this.
+
+ RETURN_IN_ORDER is an option available to programs that were written
+ to expect options and other ARGV-elements in any order and that care about
+ the ordering of the two. We describe each non-option ARGV-element
+ as if it were the argument of an option with character code 1.
+ Using `-' as the first character of the list of option characters
+ selects this mode of operation.
+
+ The special argument `--' forces an end of option-scanning regardless
+ of the value of `ordering'. In the case of RETURN_IN_ORDER, only
+ `--' can cause `getopt' to return -1 with `optind' != ARGC. */
+
+static enum
+{
+ REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER
+} ordering;
+
+/* Value of POSIXLY_CORRECT environment variable. */
+static char *posixly_correct;
+
+#ifdef __GNU_LIBRARY__
+/* We want to avoid inclusion of string.h with non-GNU libraries
+ because there are many ways it can cause trouble.
+ On some systems, it contains special magic macros that don't work
+ in GCC. */
+#include <string.h>
+#define my_index strchr
+#else
+
+/* Avoid depending on library functions or files
+ whose names are inconsistent. */
+
+char *getenv ();
+
+static char *
+my_index (str, chr)
+ const char *str;
+ int chr;
+{
+ while (*str)
+ {
+ if (*str == chr)
+ return (char *) str;
+ str++;
+ }
+ return 0;
+}
+
+/* If using GCC, we can safely declare strlen this way.
+ If not using GCC, it is ok not to declare it. */
+#ifdef __GNUC__
+/* Note that Motorola Delta 68k R3V7 comes with GCC but not stddef.h.
+ That was relevant to code that was here before. */
+#if !defined (__STDC__) || !__STDC__
+/* gcc with -traditional declares the built-in strlen to return int,
+ and has done so at least since version 2.4.5. -- rms. */
+extern int strlen (const char *);
+#endif /* not __STDC__ */
+#endif /* __GNUC__ */
+
+#endif /* not __GNU_LIBRARY__ */
+
+/* Handle permutation of arguments. */
+
+/* Describe the part of ARGV that contains non-options that have
+ been skipped. `first_nonopt' is the index in ARGV of the first of them;
+ `last_nonopt' is the index after the last of them. */
+
+static int first_nonopt;
+static int last_nonopt;
+
+#ifdef _LIBC
+/* Bash 2.0 gives us an environment variable containing flags
+ indicating ARGV elements that should not be considered arguments. */
+
+/* Defined in getopt_init.c */
+extern char *__getopt_nonoption_flags;
+
+static int nonoption_flags_max_len;
+static int nonoption_flags_len;
+
+static int original_argc;
+static char *const *original_argv;
+
+extern pid_t __libc_pid;
+
+/* Make sure the environment variable bash 2.0 puts in the environment
+ is valid for the getopt call we must make sure that the ARGV passed
+ to getopt is that one passed to the process. */
+static void
+store_args_and_env (int argc, char *const *argv)
+{
+ /* XXX This is no good solution. We should rather copy the args so
+ that we can compare them later. But we must not use malloc(3). */
+ original_argc = argc;
+ original_argv = argv;
+}
+text_set_element (__libc_subinit, store_args_and_env);
+
+# define SWAP_FLAGS(ch1, ch2) \
+ if (nonoption_flags_len > 0) \
+ { \
+ char __tmp = __getopt_nonoption_flags[ch1]; \
+ __getopt_nonoption_flags[ch1] = __getopt_nonoption_flags[ch2]; \
+ __getopt_nonoption_flags[ch2] = __tmp; \
+ }
+#else /* !_LIBC */
+# define SWAP_FLAGS(ch1, ch2)
+#endif /* _LIBC */
+
+/* Exchange two adjacent subsequences of ARGV.
+ One subsequence is elements [first_nonopt,last_nonopt)
+ which contains all the non-options that have been skipped so far.
+ The other is elements [last_nonopt,optind), which contains all
+ the options processed since those non-options were skipped.
+
+ `first_nonopt' and `last_nonopt' are relocated so that they describe
+ the new indices of the non-options in ARGV after they are moved. */
+
+#if defined (__STDC__) && __STDC__
+static void exchange (char **);
+#endif
+
+static void
+exchange (argv)
+ char **argv;
+{
+ int bottom = first_nonopt;
+ int middle = last_nonopt;
+ int top = optind;
+ char *tem;
+
+ /* Exchange the shorter segment with the far end of the longer segment.
+ That puts the shorter segment into the right place.
+ It leaves the longer segment in the right place overall,
+ but it consists of two parts that need to be swapped next. */
+
+#ifdef _LIBC
+ /* First make sure the handling of the `__getopt_nonoption_flags'
+ string can work normally. Our top argument must be in the range
+ of the string. */
+ if (nonoption_flags_len > 0 && top >= nonoption_flags_max_len)
+ {
+ /* We must extend the array. The user plays games with us and
+ presents new arguments. */
+ char *new_str = malloc (top + 1);
+ if (new_str == NULL)
+ nonoption_flags_len = nonoption_flags_max_len = 0;
+ else
+ {
+ memcpy (new_str, __getopt_nonoption_flags, nonoption_flags_max_len);
+ memset (&new_str[nonoption_flags_max_len], '\0',
+ top + 1 - nonoption_flags_max_len);
+ nonoption_flags_max_len = top + 1;
+ __getopt_nonoption_flags = new_str;
+ }
+ }
+#endif
+
+ while (top > middle && middle > bottom)
+ {
+ if (top - middle > middle - bottom)
+ {
+ /* Bottom segment is the short one. */
+ int len = middle - bottom;
+ register int i;
+
+ /* Swap it with the top part of the top segment. */
+ for (i = 0; i < len; i++)
+ {
+ tem = argv[bottom + i];
+ argv[bottom + i] = argv[top - (middle - bottom) + i];
+ argv[top - (middle - bottom) + i] = tem;
+ SWAP_FLAGS (bottom + i, top - (middle - bottom) + i);
+ }
+ /* Exclude the moved bottom segment from further swapping. */
+ top -= len;
+ }
+ else
+ {
+ /* Top segment is the short one. */
+ int len = top - middle;
+ register int i;
+
+ /* Swap it with the bottom part of the bottom segment. */
+ for (i = 0; i < len; i++)
+ {
+ tem = argv[bottom + i];
+ argv[bottom + i] = argv[middle + i];
+ argv[middle + i] = tem;
+ SWAP_FLAGS (bottom + i, middle + i);
+ }
+ /* Exclude the moved top segment from further swapping. */
+ bottom += len;
+ }
+ }
+
+ /* Update records for the slots the non-options now occupy. */
+
+ first_nonopt += (optind - last_nonopt);
+ last_nonopt = optind;
+}
+
+/* Initialize the internal data when the first call is made. */
+
+#if defined (__STDC__) && __STDC__
+static const char *_getopt_initialize (int, char *const *, const char *);
+#endif
+static const char *
+_getopt_initialize (argc, argv, optstring)
+ int argc;
+ char *const *argv;
+ const char *optstring;
+{
+ /* Start processing options with ARGV-element 1 (since ARGV-element 0
+ is the program name); the sequence of previously skipped
+ non-option ARGV-elements is empty. */
+
+ first_nonopt = last_nonopt = optind;
+
+ nextchar = NULL;
+
+ posixly_correct = getenv ("POSIXLY_CORRECT");
+
+ /* Determine how to handle the ordering of options and nonoptions. */
+
+ if (optstring[0] == '-')
+ {
+ ordering = RETURN_IN_ORDER;
+ ++optstring;
+ }
+ else if (optstring[0] == '+')
+ {
+ ordering = REQUIRE_ORDER;
+ ++optstring;
+ }
+ else if (posixly_correct != NULL)
+ ordering = REQUIRE_ORDER;
+ else
+ ordering = PERMUTE;
+
+#ifdef _LIBC
+ if (posixly_correct == NULL
+ && argc == original_argc && argv == original_argv)
+ {
+ if (nonoption_flags_max_len == 0)
+ {
+ if (__getopt_nonoption_flags == NULL
+ || __getopt_nonoption_flags[0] == '\0')
+ nonoption_flags_max_len = -1;
+ else
+ {
+ const char *orig_str = __getopt_nonoption_flags;
+ int len = nonoption_flags_max_len = strlen (orig_str);
+ if (nonoption_flags_max_len < argc)
+ nonoption_flags_max_len = argc;
+ __getopt_nonoption_flags =
+ (char *) malloc (nonoption_flags_max_len);
+ if (__getopt_nonoption_flags == NULL)
+ nonoption_flags_max_len = -1;
+ else
+ {
+ memcpy (__getopt_nonoption_flags, orig_str, len);
+ memset (&__getopt_nonoption_flags[len], '\0',
+ nonoption_flags_max_len - len);
+ }
+ }
+ }
+ nonoption_flags_len = nonoption_flags_max_len;
+ }
+ else
+ nonoption_flags_len = 0;
+#endif
+
+ return optstring;
+}
+
+/* Scan elements of ARGV (whose length is ARGC) for option characters
+ given in OPTSTRING.
+
+ If an element of ARGV starts with '-', and is not exactly "-" or "--",
+ then it is an option element. The characters of this element
+ (aside from the initial '-') are option characters. If `getopt'
+ is called repeatedly, it returns successively each of the option characters
+ from each of the option elements.
+
+ If `getopt' finds another option character, it returns that character,
+ updating `optind' and `nextchar' so that the next call to `getopt' can
+ resume the scan with the following option character or ARGV-element.
+
+ If there are no more option characters, `getopt' returns -1.
+ Then `optind' is the index in ARGV of the first ARGV-element
+ that is not an option. (The ARGV-elements have been permuted
+ so that those that are not options now come last.)
+
+ OPTSTRING is a string containing the legitimate option characters.
+ If an option character is seen that is not listed in OPTSTRING,
+ return '?' after printing an error message. If you set `opterr' to
+ zero, the error message is suppressed but we still return '?'.
+
+ If a char in OPTSTRING is followed by a colon, that means it wants an arg,
+ so the following text in the same ARGV-element, or the text of the following
+ ARGV-element, is returned in `optarg'. Two colons mean an option that
+ wants an optional arg; if there is text in the current ARGV-element,
+ it is returned in `optarg', otherwise `optarg' is set to zero.
+
+ If OPTSTRING starts with `-' or `+', it requests different methods of
+ handling the non-option ARGV-elements.
+ See the comments about RETURN_IN_ORDER and REQUIRE_ORDER, above.
+
+ Long-named options begin with `--' instead of `-'.
+ Their names may be abbreviated as long as the abbreviation is unique
+ or is an exact match for some defined option. If they have an
+ argument, it follows the option name in the same ARGV-element, separated
+ from the option name by a `=', or else the in next ARGV-element.
+ When `getopt' finds a long-named option, it returns 0 if that option's
+ `flag' field is nonzero, the value of the option's `val' field
+ if the `flag' field is zero.
+
+ The elements of ARGV aren't really const, because we permute them.
+ But we pretend they're const in the prototype to be compatible
+ with other systems.
+
+ LONGOPTS is a vector of `struct option' terminated by an
+ element containing a name which is zero.
+
+ LONGIND returns the index in LONGOPT of the long-named option found.
+ It is only valid when a long-named option has been found by the most
+ recent call.
+
+ If LONG_ONLY is nonzero, '-' as well as '--' can introduce
+ long-named options. */
+
+int
+_getopt_internal (argc, argv, optstring, longopts, longind, long_only)
+ int argc;
+ char *const *argv;
+ const char *optstring;
+ const struct option *longopts;
+ int *longind;
+ int long_only;
+{
+ optarg = NULL;
+
+ if (optind == 0 || !__getopt_initialized)
+ {
+ if (optind == 0)
+ optind = 1; /* Don't scan ARGV[0], the program name. */
+ optstring = _getopt_initialize (argc, argv, optstring);
+ __getopt_initialized = 1;
+ }
+
+ /* Test whether ARGV[optind] points to a non-option argument.
+ Either it does not have option syntax, or there is an environment flag
+ from the shell indicating it is not an option. The later information
+ is only used when the used in the GNU libc. */
+#ifdef _LIBC
+#define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0' \
+ || (optind < nonoption_flags_len \
+ && __getopt_nonoption_flags[optind] == '1'))
+#else
+#define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0')
+#endif
+
+ if (nextchar == NULL || *nextchar == '\0')
+ {
+ /* Advance to the next ARGV-element. */
+
+ /* Give FIRST_NONOPT & LAST_NONOPT rational values if OPTIND has been
+ moved back by the user (who may also have changed the arguments). */
+ if (last_nonopt > optind)
+ last_nonopt = optind;
+ if (first_nonopt > optind)
+ first_nonopt = optind;
+
+ if (ordering == PERMUTE)
+ {
+ /* If we have just processed some options following some non-options,
+ exchange them so that the options come first. */
+
+ if (first_nonopt != last_nonopt && last_nonopt != optind)
+ exchange ((char **) argv);
+ else if (last_nonopt != optind)
+ first_nonopt = optind;
+
+ /* Skip any additional non-options
+ and extend the range of non-options previously skipped. */
+
+ while (optind < argc && NONOPTION_P)
+ optind++;
+ last_nonopt = optind;
+ }
+
+ /* The special ARGV-element `--' means premature end of options.
+ Skip it like a null option,
+ then exchange with previous non-options as if it were an option,
+ then skip everything else like a non-option. */
+
+ if (optind != argc && !strcmp (argv[optind], "--"))
+ {
+ optind++;
+
+ if (first_nonopt != last_nonopt && last_nonopt != optind)
+ exchange ((char **) argv);
+ else if (first_nonopt == last_nonopt)
+ first_nonopt = optind;
+ last_nonopt = argc;
+
+ optind = argc;
+ }
+
+ /* If we have done all the ARGV-elements, stop the scan
+ and back over any non-options that we skipped and permuted. */
+
+ if (optind == argc)
+ {
+ /* Set the next-arg-index to point at the non-options
+ that we previously skipped, so the caller will digest them. */
+ if (first_nonopt != last_nonopt)
+ optind = first_nonopt;
+ return -1;
+ }
+
+ /* If we have come to a non-option and did not permute it,
+ either stop the scan or describe it to the caller and pass it by. */
+
+ if (NONOPTION_P)
+ {
+ if (ordering == REQUIRE_ORDER)
+ return -1;
+ optarg = argv[optind++];
+ return 1;
+ }
+
+ /* We have found another option-ARGV-element.
+ Skip the initial punctuation. */
+
+ nextchar = (argv[optind] + 1
+ + (longopts != NULL && argv[optind][1] == '-'));
+ }
+
+ /* Decode the current option-ARGV-element. */
+
+ /* Check whether the ARGV-element is a long option.
+
+ If long_only and the ARGV-element has the form "-f", where f is
+ a valid short option, don't consider it an abbreviated form of
+ a long option that starts with f. Otherwise there would be no
+ way to give the -f short option.
+
+ On the other hand, if there's a long option "fubar" and
+ the ARGV-element is "-fu", do consider that an abbreviation of
+ the long option, just like "--fu", and not "-f" with arg "u".
+
+ This distinction seems to be the most useful approach. */
+
+ if (longopts != NULL
+ && (argv[optind][1] == '-'
+ || (long_only && (argv[optind][2] || !my_index (optstring, argv[optind][1])))))
+ {
+ char *nameend;
+ const struct option *p;
+ const struct option *pfound = NULL;
+ int exact = 0;
+ int ambig = 0;
+ int indfound = -1;
+ int option_index;
+
+ for (nameend = nextchar; *nameend && *nameend != '='; nameend++)
+ /* Do nothing. */ ;
+
+ /* Test all long options for either exact match
+ or abbreviated matches. */
+ for (p = longopts, option_index = 0; p->name; p++, option_index++)
+ if (!strncmp (p->name, nextchar, nameend - nextchar))
+ {
+ if ((unsigned int) (nameend - nextchar)
+ == (unsigned int) strlen (p->name))
+ {
+ /* Exact match found. */
+ pfound = p;
+ indfound = option_index;
+ exact = 1;
+ break;
+ }
+ else if (pfound == NULL)
+ {
+ /* First nonexact match found. */
+ pfound = p;
+ indfound = option_index;
+ }
+ else
+ /* Second or later nonexact match found. */
+ ambig = 1;
+ }
+
+ if (ambig && !exact)
+ {
+ if (opterr)
+ fprintf (stderr, _("%s: option `%s' is ambiguous\n"),
+ argv[0], argv[optind]);
+ nextchar += strlen (nextchar);
+ optind++;
+ optopt = 0;
+ return '?';
+ }
+
+ if (pfound != NULL)
+ {
+ option_index = indfound;
+ optind++;
+ if (*nameend)
+ {
+ /* Don't test has_arg with >, because some C compilers don't
+ allow it to be used on enums. */
+ if (pfound->has_arg)
+ optarg = nameend + 1;
+ else
+ {
+ if (opterr)
+ {
+ if (argv[optind - 1][1] == '-')
+ /* --option */
+ fprintf (stderr,
+ _("%s: option `--%s' doesn't allow an argument\n"),
+ argv[0], pfound->name);
+ else
+ /* +option or -option */
+ fprintf (stderr,
+ _("%s: option `%c%s' doesn't allow an argument\n"),
+ argv[0], argv[optind - 1][0], pfound->name);
+ }
+
+ nextchar += strlen (nextchar);
+
+ optopt = pfound->val;
+ return '?';
+ }
+ }
+ else if (pfound->has_arg == 1)
+ {
+ if (optind < argc)
+ optarg = argv[optind++];
+ else
+ {
+ if (opterr)
+ fprintf (stderr,
+ _("%s: option `%s' requires an argument\n"),
+ argv[0], argv[optind - 1]);
+ nextchar += strlen (nextchar);
+ optopt = pfound->val;
+ return optstring[0] == ':' ? ':' : '?';
+ }
+ }
+ nextchar += strlen (nextchar);
+ if (longind != NULL)
+ *longind = option_index;
+ if (pfound->flag)
+ {
+ *(pfound->flag) = pfound->val;
+ return 0;
+ }
+ return pfound->val;
+ }
+
+ /* Can't find it as a long option. If this is not getopt_long_only,
+ or the option starts with '--' or is not a valid short
+ option, then it's an error.
+ Otherwise interpret it as a short option. */
+ if (!long_only || argv[optind][1] == '-'
+ || my_index (optstring, *nextchar) == NULL)
+ {
+ if (opterr)
+ {
+ if (argv[optind][1] == '-')
+ /* --option */
+ fprintf (stderr, _("%s: unrecognized option `--%s'\n"),
+ argv[0], nextchar);
+ else
+ /* +option or -option */
+ fprintf (stderr, _("%s: unrecognized option `%c%s'\n"),
+ argv[0], argv[optind][0], nextchar);
+ }
+ nextchar = (char *) "";
+ optind++;
+ optopt = 0;
+ return '?';
+ }
+ }
+
+ /* Look at and handle the next short option-character. */
+
+ {
+ char c = *nextchar++;
+ char *temp = my_index (optstring, c);
+
+ /* Increment `optind' when we start to process its last character. */
+ if (*nextchar == '\0')
+ ++optind;
+
+ if (temp == NULL || c == ':')
+ {
+ if (opterr)
+ {
+ if (posixly_correct)
+ /* 1003.2 specifies the format of this message. */
+ fprintf (stderr, _("%s: illegal option -- %c\n"),
+ argv[0], c);
+ else
+ fprintf (stderr, _("%s: invalid option -- %c\n"),
+ argv[0], c);
+ }
+ optopt = c;
+ return '?';
+ }
+ /* Convenience. Treat POSIX -W foo same as long option --foo */
+ if (temp[0] == 'W' && temp[1] == ';')
+ {
+ char *nameend;
+ const struct option *p;
+ const struct option *pfound = NULL;
+ int exact = 0;
+ int ambig = 0;
+ int indfound = 0;
+ int option_index;
+
+ /* This is an option that requires an argument. */
+ if (*nextchar != '\0')
+ {
+ optarg = nextchar;
+ /* If we end this ARGV-element by taking the rest as an arg,
+ we must advance to the next element now. */
+ optind++;
+ }
+ else if (optind == argc)
+ {
+ if (opterr)
+ {
+ /* 1003.2 specifies the format of this message. */
+ fprintf (stderr, _("%s: option requires an argument -- %c\n"),
+ argv[0], c);
+ }
+ optopt = c;
+ if (optstring[0] == ':')
+ c = ':';
+ else
+ c = '?';
+ return c;
+ }
+ else
+ /* We already incremented `optind' once;
+ increment it again when taking next ARGV-elt as argument. */
+ optarg = argv[optind++];
+
+ /* optarg is now the argument, see if it's in the
+ table of longopts. */
+
+ for (nextchar = nameend = optarg; *nameend && *nameend != '='; nameend++)
+ /* Do nothing. */ ;
+
+ /* Test all long options for either exact match
+ or abbreviated matches. */
+ for (p = longopts, option_index = 0; p->name; p++, option_index++)
+ if (!strncmp (p->name, nextchar, nameend - nextchar))
+ {
+ if ((unsigned int) (nameend - nextchar) == strlen (p->name))
+ {
+ /* Exact match found. */
+ pfound = p;
+ indfound = option_index;
+ exact = 1;
+ break;
+ }
+ else if (pfound == NULL)
+ {
+ /* First nonexact match found. */
+ pfound = p;
+ indfound = option_index;
+ }
+ else
+ /* Second or later nonexact match found. */
+ ambig = 1;
+ }
+ if (ambig && !exact)
+ {
+ if (opterr)
+ fprintf (stderr, _("%s: option `-W %s' is ambiguous\n"),
+ argv[0], argv[optind]);
+ nextchar += strlen (nextchar);
+ optind++;
+ return '?';
+ }
+ if (pfound != NULL)
+ {
+ option_index = indfound;
+ if (*nameend)
+ {
+ /* Don't test has_arg with >, because some C compilers don't
+ allow it to be used on enums. */
+ if (pfound->has_arg)
+ optarg = nameend + 1;
+ else
+ {
+ if (opterr)
+ fprintf (stderr, _("\
+%s: option `-W %s' doesn't allow an argument\n"),
+ argv[0], pfound->name);
+
+ nextchar += strlen (nextchar);
+ return '?';
+ }
+ }
+ else if (pfound->has_arg == 1)
+ {
+ if (optind < argc)
+ optarg = argv[optind++];
+ else
+ {
+ if (opterr)
+ fprintf (stderr,
+ _("%s: option `%s' requires an argument\n"),
+ argv[0], argv[optind - 1]);
+ nextchar += strlen (nextchar);
+ return optstring[0] == ':' ? ':' : '?';
+ }
+ }
+ nextchar += strlen (nextchar);
+ if (longind != NULL)
+ *longind = option_index;
+ if (pfound->flag)
+ {
+ *(pfound->flag) = pfound->val;
+ return 0;
+ }
+ return pfound->val;
+ }
+ nextchar = NULL;
+ return 'W'; /* Let the application handle it. */
+ }
+ if (temp[1] == ':')
+ {
+ if (temp[2] == ':')
+ {
+ /* This is an option that accepts an argument optionally. */
+ if (*nextchar != '\0')
+ {
+ optarg = nextchar;
+ optind++;
+ }
+ else
+ optarg = NULL;
+ nextchar = NULL;
+ }
+ else
+ {
+ /* This is an option that requires an argument. */
+ if (*nextchar != '\0')
+ {
+ optarg = nextchar;
+ /* If we end this ARGV-element by taking the rest as an arg,
+ we must advance to the next element now. */
+ optind++;
+ }
+ else if (optind == argc)
+ {
+ if (opterr)
+ {
+ /* 1003.2 specifies the format of this message. */
+ fprintf (stderr,
+ _("%s: option requires an argument -- %c\n"),
+ argv[0], c);
+ }
+ optopt = c;
+ if (optstring[0] == ':')
+ c = ':';
+ else
+ c = '?';
+ }
+ else
+ /* We already incremented `optind' once;
+ increment it again when taking next ARGV-elt as argument. */
+ optarg = argv[optind++];
+ nextchar = NULL;
+ }
+ }
+ return c;
+ }
+}
+
+int
+getopt (argc, argv, optstring)
+ int argc;
+ char *const *argv;
+ const char *optstring;
+{
+ return _getopt_internal (argc, argv, optstring,
+ (const struct option *) 0,
+ (int *) 0,
+ 0);
+}
+
+#endif /* Not ELIDE_CODE. */
+
+#ifdef TEST
+
+/* Compile with -DTEST to make an executable for use in testing
+ the above definition of `getopt'. */
+
+int
+main (argc, argv)
+ int argc;
+ char **argv;
+{
+ int c;
+ int digit_optind = 0;
+
+ while (1)
+ {
+ int this_option_optind = optind ? optind : 1;
+
+ c = getopt (argc, argv, "abc:d:0123456789");
+ if (c == -1)
+ break;
+
+ switch (c)
+ {
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ if (digit_optind != 0 && digit_optind != this_option_optind)
+ printf ("digits occur in two different argv-elements.\n");
+ digit_optind = this_option_optind;
+ printf ("option %c\n", c);
+ break;
+
+ case 'a':
+ printf ("option a\n");
+ break;
+
+ case 'b':
+ printf ("option b\n");
+ break;
+
+ case 'c':
+ printf ("option c with value `%s'\n", optarg);
+ break;
+
+ case '?':
+ break;
+
+ default:
+ printf ("?? getopt returned character code 0%o ??\n", c);
+ }
+ }
+
+ if (optind < argc)
+ {
+ printf ("non-option ARGV-elements: ");
+ while (optind < argc)
+ printf ("%s ", argv[optind++]);
+ printf ("\n");
+ }
+
+ exit (0);
+}
+
+#endif /* TEST */
diff --git a/lib/compat/getopt.h b/lib/compat/getopt.h
new file mode 100644
index 0000000..92951e5
--- /dev/null
+++ b/lib/compat/getopt.h
@@ -0,0 +1,135 @@
+/* Declarations for getopt.
+ Copyright (C) 1989,90,91,92,93,94,96,97 Free Software Foundation, Inc.
+
+ the C library, however. The master source lives in /gd/gnu/lib.
+
+NOTE: The canonical source of this file is maintained with the GNU C Library.
+Bugs can be reported to bug-glibc@prep.ai.mit.edu.
+
+This program is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+USA. */
+
+#ifndef _GETOPT_H
+#define _GETOPT_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* For communication from `getopt' to the caller.
+ When `getopt' finds an option that takes an argument,
+ the argument value is returned here.
+ Also, when `ordering' is RETURN_IN_ORDER,
+ each non-option ARGV-element is returned here. */
+
+extern char *optarg;
+
+/* Index in ARGV of the next element to be scanned.
+ This is used for communication to and from the caller
+ and for communication between successive calls to `getopt'.
+
+ On entry to `getopt', zero means this is the first call; initialize.
+
+ When `getopt' returns -1, this is the index of the first of the
+ non-option elements that the caller should itself scan.
+
+ Otherwise, `optind' communicates from one call to the next
+ how much of ARGV has been scanned so far. */
+
+extern int optind;
+
+/* Callers store zero here to inhibit the error message `getopt' prints
+ for unrecognized options. */
+
+extern int opterr;
+
+/* Set to an option character which was unrecognized. */
+
+extern int optopt;
+
+/* Describe the long-named options requested by the application.
+ The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector
+ of `struct option' terminated by an element containing a name which is
+ zero.
+
+ The field `has_arg' is:
+ no_argument (or 0) if the option does not take an argument,
+ required_argument (or 1) if the option requires an argument,
+ optional_argument (or 2) if the option takes an optional argument.
+
+ If the field `flag' is not NULL, it points to a variable that is set
+ to the value given in the field `val' when the option is found, but
+ left unchanged if the option is not found.
+
+ To have a long-named option do something other than set an `int' to
+ a compiled-in constant, such as set a value from `optarg', set the
+ option's `flag' field to zero and its `val' field to a nonzero
+ value (the equivalent single-letter option character, if there is
+ one). For long options that have a zero `flag' field, `getopt'
+ returns the contents of the `val' field. */
+
+struct option
+{
+#if defined (__STDC__) && __STDC__
+ const char *name;
+#else
+ char *name;
+#endif
+ /* has_arg can't be an enum because some compilers complain about
+ type mismatches in all the code that assumes it is an int. */
+ int has_arg;
+ int *flag;
+ int val;
+};
+
+/* Names for the values of the `has_arg' field of `struct option'. */
+
+#define no_argument 0
+#define required_argument 1
+#define optional_argument 2
+
+#if defined (__STDC__) && __STDC__
+#ifdef __GNU_LIBRARY__
+/* Many other libraries have conflicting prototypes for getopt, with
+ differences in the consts, in stdlib.h. To avoid compilation
+ errors, only prototype getopt for the GNU C library. */
+extern int getopt (int argc, char *const *argv, const char *shortopts);
+#else /* not __GNU_LIBRARY__ */
+
+#endif /* __GNU_LIBRARY__ */
+extern int getopt_long (int argc, char *const *argv, const char *shortopts,
+ const struct option *longopts, int *longind);
+extern int getopt_long_only (int argc, char *const *argv,
+ const char *shortopts,
+ const struct option *longopts, int *longind);
+
+/* Internal only. Users should not call this directly. */
+extern int _getopt_internal (int argc, char *const *argv,
+ const char *shortopts,
+ const struct option *longopts, int *longind,
+ int long_only);
+#else /* not __STDC__ */
+extern int getopt ();
+extern int getopt_long ();
+extern int getopt_long_only ();
+
+extern int _getopt_internal ();
+#endif /* __STDC__ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _GETOPT_H */
diff --git a/lib/compat/getopt1.c b/lib/compat/getopt1.c
new file mode 100644
index 0000000..b51be7f
--- /dev/null
+++ b/lib/compat/getopt1.c
@@ -0,0 +1,191 @@
+/* getopt_long and getopt_long_only entry points for GNU getopt.
+ Copyright (C) 1987,88,89,90,91,92,93,94,96,97 Free Software Foundation, Inc.
+
+ the C library, however. The master source lives in /gd/gnu/lib.
+
+NOTE: The canonical source of this file is maintained with the GNU C Library.
+Bugs can be reported to bug-glibc@prep.ai.mit.edu.
+
+This program is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+USA. */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "getopt.h"
+
+#if !defined (__STDC__) || !__STDC__
+/* This is a separate conditional since some stdc systems
+ reject `defined (const)'. */
+#ifndef const
+#define const
+#endif
+#endif
+
+#include <stdio.h>
+
+/* Comment out all this code if we are using the GNU C Library, and are not
+ actually compiling the library itself. This code is part of the GNU C
+ Library, but also included in many other GNU distributions. Compiling
+ and linking in this code is a waste when using the GNU C library
+ (especially if it is a shared library). Rather than having every GNU
+ program understand `configure --with-gnu-libc' and omit the object files,
+ it is simpler to just do this in the source for each such file. */
+
+#define GETOPT_INTERFACE_VERSION 2
+#if !defined (_LIBC) && defined (__GLIBC__) && __GLIBC__ >= 2
+#include <gnu-versions.h>
+#if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
+#define ELIDE_CODE
+#endif
+#endif
+
+#ifndef ELIDE_CODE
+
+
+/* This needs to come after some library #include
+ to get __GNU_LIBRARY__ defined. */
+#ifdef __GNU_LIBRARY__
+#include <stdlib.h>
+#endif
+
+#ifndef NULL
+#define NULL 0
+#endif
+
+int
+getopt_long (argc, argv, options, long_options, opt_index)
+ int argc;
+ char *const *argv;
+ const char *options;
+ const struct option *long_options;
+ int *opt_index;
+{
+ return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
+}
+
+/* Like getopt_long, but '-' as well as '--' can indicate a long option.
+ If an option that starts with '-' (not '--') doesn't match a long option,
+ but does match a short option, it is parsed as a short option
+ instead. */
+
+int
+getopt_long_only (argc, argv, options, long_options, opt_index)
+ int argc;
+ char *const *argv;
+ const char *options;
+ const struct option *long_options;
+ int *opt_index;
+{
+ return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
+}
+
+
+#endif /* Not ELIDE_CODE. */
+
+#ifdef TEST
+
+#include <stdio.h>
+
+int
+main (argc, argv)
+ int argc;
+ char **argv;
+{
+ int c;
+ int digit_optind = 0;
+
+ while (1)
+ {
+ int this_option_optind = optind ? optind : 1;
+ int option_index = 0;
+ static struct option long_options[] =
+ {
+ {"add", 1, 0, 0},
+ {"append", 0, 0, 0},
+ {"delete", 1, 0, 0},
+ {"verbose", 0, 0, 0},
+ {"create", 0, 0, 0},
+ {"file", 1, 0, 0},
+ {0, 0, 0, 0}
+ };
+
+ c = getopt_long (argc, argv, "abc:d:0123456789",
+ long_options, &option_index);
+ if (c == -1)
+ break;
+
+ switch (c)
+ {
+ case 0:
+ printf ("option %s", long_options[option_index].name);
+ if (optarg)
+ printf (" with arg %s", optarg);
+ printf ("\n");
+ break;
+
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ if (digit_optind != 0 && digit_optind != this_option_optind)
+ printf ("digits occur in two different argv-elements.\n");
+ digit_optind = this_option_optind;
+ printf ("option %c\n", c);
+ break;
+
+ case 'a':
+ printf ("option a\n");
+ break;
+
+ case 'b':
+ printf ("option b\n");
+ break;
+
+ case 'c':
+ printf ("option c with value `%s'\n", optarg);
+ break;
+
+ case 'd':
+ printf ("option d with value `%s'\n", optarg);
+ break;
+
+ case '?':
+ break;
+
+ default:
+ printf ("?? getopt returned character code 0%o ??\n", c);
+ }
+ }
+
+ if (optind < argc)
+ {
+ printf ("non-option ARGV-elements: ");
+ while (optind < argc)
+ printf ("%s ", argv[optind++]);
+ printf ("\n");
+ }
+
+ exit (0);
+}
+
+#endif /* TEST */
diff --git a/lib/compat/gettext.h b/lib/compat/gettext.h
new file mode 100644
index 0000000..5075c75
--- /dev/null
+++ b/lib/compat/gettext.h
@@ -0,0 +1,303 @@
+/* Convenience header for conditional use of GNU <libintl.h>.
+ Copyright (C) 1995-1998, 2000-2002, 2004-2006 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU General Public
+ License along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+ USA. */
+
+#ifndef _LIBGETTEXT_H
+#define _LIBGETTEXT_H 1
+
+/* NLS can be disabled through the configure --disable-nls option. */
+#if ENABLE_NLS
+
+/* Get declarations of GNU message catalog functions. */
+# include <libintl.h>
+
+/* You can set the DEFAULT_TEXT_DOMAIN macro to specify the domain used by
+ the gettext() and ngettext() macros. This is an alternative to calling
+ textdomain(), and is useful for libraries. */
+# ifdef DEFAULT_TEXT_DOMAIN
+# undef gettext
+# define gettext(Msgid) \
+ dgettext (DEFAULT_TEXT_DOMAIN, Msgid)
+# undef ngettext
+# define ngettext(Msgid1, Msgid2, N) \
+ dngettext (DEFAULT_TEXT_DOMAIN, Msgid1, Msgid2, N)
+# endif
+
+#else
+
+/* Solaris /usr/include/locale.h includes /usr/include/libintl.h, which
+ chokes if dcgettext is defined as a macro. So include it now, to make
+ later inclusions of <locale.h> a NOP. We don't include <libintl.h>
+ as well because people using "gettext.h" will not include <libintl.h>,
+ and also including <libintl.h> would fail on SunOS 4, whereas <locale.h>
+ is OK. */
+#if defined(__sun)
+# include <locale.h>
+#endif
+
+/* Many header files from the libstdc++ coming with g++ 3.3 or newer include
+ <libintl.h>, which chokes if dcgettext is defined as a macro. So include
+ it now, to make later inclusions of <libintl.h> a NOP. */
+#if defined(__cplusplus) && defined(__GNUG__) && (__GNUC__ >= 3)
+# include <cstdlib>
+# if (__GLIBC__ >= 2 && !defined __UCLIBC__) || _GLIBCXX_HAVE_LIBINTL_H
+# include <libintl.h>
+# endif
+#endif
+
+/* Disabled NLS.
+ The casts to 'const char *' serve the purpose of producing warnings
+ for invalid uses of the value returned from these functions.
+ On pre-ANSI systems without 'const', the config.h file is supposed to
+ contain "#define const". */
+# define gettext(Msgid) ((const char *) (Msgid))
+# define dgettext(Domainname, Msgid) ((void) (Domainname), gettext (Msgid))
+# define dcgettext(Domainname, Msgid, Category) \
+ ((void) (Category), dgettext (Domainname, Msgid))
+# define ngettext(Msgid1, Msgid2, N) \
+ ((N) == 1 \
+ ? ((void) (Msgid2), (const char *) (Msgid1)) \
+ : ((void) (Msgid1), (const char *) (Msgid2)))
+# define dngettext(Domainname, Msgid1, Msgid2, N) \
+ ((void) (Domainname), ngettext (Msgid1, Msgid2, N))
+# define dcngettext(Domainname, Msgid1, Msgid2, N, Category) \
+ ((void) (Category), dngettext(Domainname, Msgid1, Msgid2, N))
+# define textdomain(Domainname) ((const char *) (Domainname))
+# define bindtextdomain(Domainname, Dirname) \
+ ((void) (Domainname), (const char *) (Dirname))
+# define bind_textdomain_codeset(Domainname, Codeset) \
+ ((void) (Domainname), (const char *) (Codeset))
+
+#endif
+
+/* A pseudo function call that serves as a marker for the automated
+ extraction of messages, but does not call gettext(). The run-time
+ translation is done at a different place in the code.
+ The argument, String, should be a literal string. Concatenated strings
+ and other string expressions won't work.
+ The macro's expansion is not parenthesized, so that it is suitable as
+ initializer for static 'char[]' or 'const char[]' variables. */
+#define gettext_noop(String) String
+
+/* The separator between msgctxt and msgid in a .mo file. */
+#define GETTEXT_CONTEXT_GLUE "\004"
+
+#if ENABLE_NLS
+
+/* Pseudo function calls, taking a MSGCTXT and a MSGID instead of just a
+ MSGID. MSGCTXT and MSGID must be string literals. MSGCTXT should be
+ short and rarely need to change.
+ The letter 'p' stands for 'particular' or 'special'. */
+#ifdef DEFAULT_TEXT_DOMAIN
+# define pgettext(Msgctxt, Msgid) \
+ pgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
+#else
+# define pgettext(Msgctxt, Msgid) \
+ pgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
+#endif
+#define dpgettext(Domainname, Msgctxt, Msgid) \
+ pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
+#define dcpgettext(Domainname, Msgctxt, Msgid, Category) \
+ pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, Category)
+#ifdef DEFAULT_TEXT_DOMAIN
+# define npgettext(Msgctxt, Msgid, MsgidPlural, N) \
+ npgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
+#else
+# define npgettext(Msgctxt, Msgid, MsgidPlural, N) \
+ npgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
+#endif
+#define dnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
+ npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
+#define dcnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \
+ npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, Category)
+
+#ifdef __GNUC__
+__inline
+#else
+#ifdef __cplusplus
+inline
+#endif
+#endif
+static const char *
+pgettext_aux (const char *domain,
+ const char *msg_ctxt_id, const char *msgid,
+ int category)
+{
+ const char *translation = dcgettext (domain, msg_ctxt_id, category);
+ if (translation == msg_ctxt_id)
+ return msgid;
+ else
+ return translation;
+}
+
+#ifdef __GNUC__
+__inline
+#else
+#ifdef __cplusplus
+inline
+#endif
+#endif
+static const char *
+npgettext_aux (const char *domain,
+ const char *msg_ctxt_id, const char *msgid,
+ const char *msgid_plural, unsigned long int n,
+ int category)
+{
+ const char *translation =
+ dcngettext (domain, msg_ctxt_id, msgid_plural, n, category);
+ if (translation == msg_ctxt_id || translation == msgid_plural)
+ return (n == 1 ? msgid : msgid_plural);
+ else
+ return translation;
+}
+
+/* The same thing extended for non-constant arguments. Here MSGCTXT and MSGID
+ can be arbitrary expressions. But for string literals these macros are
+ less efficient than those above. */
+
+#include <string.h>
+
+#define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS \
+ (((__GNUC__ >= 3 || __GNUG__ >= 2) && !__STRICT_ANSI__) \
+ /* || __STDC_VERSION__ >= 199901L */ )
+
+#if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
+#include <stdlib.h>
+#endif
+
+#define pgettext_expr(Msgctxt, Msgid) \
+ dcpgettext_expr (NULL, Msgctxt, Msgid, LC_MESSAGES)
+#define dpgettext_expr(Domainname, Msgctxt, Msgid) \
+ dcpgettext_expr (Domainname, Msgctxt, Msgid, LC_MESSAGES)
+
+#ifdef __GNUC__
+__inline
+#else
+#ifdef __cplusplus
+inline
+#endif
+#endif
+static const char *
+dcpgettext_expr (const char *domain,
+ const char *msgctxt, const char *msgid,
+ int category)
+{
+ size_t msgctxt_len = strlen (msgctxt) + 1;
+ size_t msgid_len = strlen (msgid) + 1;
+ const char *translation;
+#if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
+ char msg_ctxt_id[msgctxt_len + msgid_len];
+#else
+ char buf[1024];
+ char *msg_ctxt_id =
+ (msgctxt_len + msgid_len <= sizeof (buf)
+ ? buf
+ : (char *) malloc (msgctxt_len + msgid_len));
+ if (msg_ctxt_id != NULL)
+#endif
+ {
+ memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1);
+ msg_ctxt_id[msgctxt_len - 1] = '\004';
+ memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len);
+ translation = dcgettext (domain, msg_ctxt_id, category);
+#if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
+ if (msg_ctxt_id != buf)
+ free (msg_ctxt_id);
+#endif
+ if (translation != msg_ctxt_id)
+ return translation;
+ }
+ return msgid;
+}
+
+#define npgettext_expr(Msgctxt, Msgid, MsgidPlural, N) \
+ dcnpgettext_expr (NULL, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES)
+#define dnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
+ dcnpgettext_expr (Domainname, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES)
+
+#ifdef __GNUC__
+__inline
+#else
+#ifdef __cplusplus
+inline
+#endif
+#endif
+static const char *
+dcnpgettext_expr (const char *domain,
+ const char *msgctxt, const char *msgid,
+ const char *msgid_plural, unsigned long int n,
+ int category)
+{
+ size_t msgctxt_len = strlen (msgctxt) + 1;
+ size_t msgid_len = strlen (msgid) + 1;
+ const char *translation;
+#if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
+ char msg_ctxt_id[msgctxt_len + msgid_len];
+#else
+ char buf[1024];
+ char *msg_ctxt_id =
+ (msgctxt_len + msgid_len <= sizeof (buf)
+ ? buf
+ : (char *) malloc (msgctxt_len + msgid_len));
+ if (msg_ctxt_id != NULL)
+#endif
+ {
+ memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1);
+ msg_ctxt_id[msgctxt_len - 1] = '\004';
+ memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len);
+ translation = dcngettext (domain, msg_ctxt_id, msgid_plural, n, category);
+#if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
+ if (msg_ctxt_id != buf)
+ free (msg_ctxt_id);
+#endif
+ if (!(translation == msg_ctxt_id || translation == msgid_plural))
+ return translation;
+ }
+ return (n == 1 ? msgid : msgid_plural);
+}
+
+#else /* ENABLE_NLS */
+
+#define pgettext(Msgctxt, Msgid) ((void) (Msgctxt), gettext (Msgid))
+#define dpgettext(Domainname, Msgctxt, Msgid) \
+ ((void) (Domainname), pgettext (Msgctxt, Msgid))
+#define dcpgettext(Domainname, Msgctxt, Msgid, Category) \
+ ((void) (Category), dpgettext (Domainname, Msgctxt, Msgid))
+
+#define npgettext(Msgctxt, Msgid, MsgidPlural, N) \
+ ((void) (Msgctxt), ngettext (Msgid, MsgidPlural, N))
+#define dnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
+ ((void) (Domainname), npgettext (Msgctxt, Msgid, MsgidPlural, N)
+#define dcnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \
+ ((void) (Category), dnpgettext (Domainname, Msgctxt, Msgid, MsgidPlural, N)
+
+#define pgettext_expr(Msgctxt, Msgid) pgettext (Msgctxt, Msgid)
+#define dpgettext_expr(Domainname, Msgctxt, Msgid) \
+ dpgettext (Domainname, Msgctxt, Msgid)
+#define dcpgettext_expr(Domainname, Msgctxt, Msgid, Category) \
+ dcpgettext (Domainname, Msgctxt, Msgid, Category)
+
+#define npgettext_expr(Msgctxt, Msgid, MsgidPlural, N) \
+ npgettext (Msgctxt, Msgid, MsgidPlural, N)
+#define dnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
+ dnpgettext (Domainname, Msgctxt, Msgid, MsgidPlural, N)
+#define dcnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \
+ dcnpgettext (Domainname, Msgctxt, Msgid, MsgidPlural, N, Category)
+
+#endif /* ENABLE_NLS */
+
+#endif /* _LIBGETTEXT_H */
diff --git a/lib/compat/md5.c b/lib/compat/md5.c
new file mode 100644
index 0000000..7da9746
--- /dev/null
+++ b/lib/compat/md5.c
@@ -0,0 +1,252 @@
+/* $OpenBSD: md5.c,v 1.7 2004/05/28 15:10:27 millert Exp $ */
+
+/*
+ * This code implements the MD5 message-digest algorithm.
+ * The algorithm is due to Ron Rivest. This code was
+ * written by Colin Plumb in 1993, no copyright is claimed.
+ * This code is in the public domain; do with it what you wish.
+ *
+ * Equivalent code is available from RSA Data Security, Inc.
+ * This code has been tested against that, and is equivalent,
+ * except that you don't need to include two pages of legalese
+ * with every copy.
+ *
+ * To compute the message digest of a chunk of bytes, declare an
+ * MD5Context structure, pass it to MD5Init, call MD5Update as
+ * needed on buffers full of bytes, and then call MD5Final, which
+ * will fill a supplied 16-byte array with the digest.
+ */
+
+#include <config.h>
+#include <compat.h>
+
+#include <sys/types.h>
+#include <string.h>
+
+#include "md5.h"
+
+#define PUT_64BIT_LE(cp, value) do { \
+ (cp)[7] = (value) >> 56; \
+ (cp)[6] = (value) >> 48; \
+ (cp)[5] = (value) >> 40; \
+ (cp)[4] = (value) >> 32; \
+ (cp)[3] = (value) >> 24; \
+ (cp)[2] = (value) >> 16; \
+ (cp)[1] = (value) >> 8; \
+ (cp)[0] = (value); } while (0)
+
+#define PUT_32BIT_LE(cp, value) do { \
+ (cp)[3] = (value) >> 24; \
+ (cp)[2] = (value) >> 16; \
+ (cp)[1] = (value) >> 8; \
+ (cp)[0] = (value); } while (0)
+
+static uint8_t PADDING[MD5_BLOCK_LENGTH] = {
+ 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+/*
+ * Start MD5 accumulation. Set bit count to 0 and buffer to mysterious
+ * initialization constants.
+ */
+void
+MD5Init(MD5_CTX *ctx)
+{
+ ctx->count = 0;
+ ctx->state[0] = 0x67452301;
+ ctx->state[1] = 0xefcdab89;
+ ctx->state[2] = 0x98badcfe;
+ ctx->state[3] = 0x10325476;
+}
+
+/*
+ * Update context to reflect the concatenation of another buffer full
+ * of bytes.
+ */
+void
+MD5Update(MD5_CTX *ctx, const unsigned char *input, size_t len)
+{
+ size_t have, need;
+
+ /* Check how many bytes we already have and how many more we need. */
+ have = (size_t)((ctx->count >> 3) & (MD5_BLOCK_LENGTH - 1));
+ need = MD5_BLOCK_LENGTH - have;
+
+ /* Update bitcount */
+ ctx->count += (uint64_t)len << 3;
+
+ if (len >= need) {
+ if (have != 0) {
+ memcpy(ctx->buffer + have, input, need);
+ MD5Transform(ctx->state, ctx->buffer);
+ input += need;
+ len -= need;
+ have = 0;
+ }
+
+ /* Process data in MD5_BLOCK_LENGTH-byte chunks. */
+ while (len >= MD5_BLOCK_LENGTH) {
+ MD5Transform(ctx->state, input);
+ input += MD5_BLOCK_LENGTH;
+ len -= MD5_BLOCK_LENGTH;
+ }
+ }
+
+ /* Handle any remaining bytes of data. */
+ if (len != 0)
+ memcpy(ctx->buffer + have, input, len);
+}
+
+/*
+ * Pad pad to 64-byte boundary with the bit pattern
+ * 1 0* (64-bit count of bits processed, MSB-first)
+ */
+void
+MD5Pad(MD5_CTX *ctx)
+{
+ uint8_t count[8];
+ size_t padlen;
+
+ /* Convert count to 8 bytes in little endian order. */
+ PUT_64BIT_LE(count, ctx->count);
+
+ /* Pad out to 56 mod 64. */
+ padlen = MD5_BLOCK_LENGTH -
+ ((ctx->count >> 3) & (MD5_BLOCK_LENGTH - 1));
+ if (padlen < 1 + 8)
+ padlen += MD5_BLOCK_LENGTH;
+ MD5Update(ctx, PADDING, padlen - 8); /* padlen - 8 <= 64 */
+ MD5Update(ctx, count, 8);
+}
+
+/*
+ * Final wrapup--call MD5Pad, fill in digest and zero out ctx.
+ */
+void
+MD5Final(unsigned char digest[MD5_DIGEST_LENGTH], MD5_CTX *ctx)
+{
+ int i;
+
+ MD5Pad(ctx);
+ if (digest != NULL) {
+ for (i = 0; i < 4; i++)
+ PUT_32BIT_LE(digest + i * 4, ctx->state[i]);
+ memset(ctx, 0, sizeof(*ctx));
+ }
+}
+
+
+/* The four core functions - F1 is optimized somewhat */
+
+/* #define F1(x, y, z) (x & y | ~x & z) */
+#define F1(x, y, z) (z ^ (x & (y ^ z)))
+#define F2(x, y, z) F1(z, x, y)
+#define F3(x, y, z) (x ^ y ^ z)
+#define F4(x, y, z) (y ^ (x | ~z))
+
+/* This is the central step in the MD5 algorithm. */
+#define MD5STEP(f, w, x, y, z, data, s) \
+ ( w += f(x, y, z) + data, w = w<<s | w>>(32-s), w += x )
+
+/*
+ * The core of the MD5 algorithm, this alters an existing MD5 hash to
+ * reflect the addition of 16 longwords of new data. MD5Update blocks
+ * the data and converts bytes into longwords for this routine.
+ */
+void
+MD5Transform(uint32_t state[4], const uint8_t block[MD5_BLOCK_LENGTH])
+{
+ uint32_t a, b, c, d, in[MD5_BLOCK_LENGTH / 4];
+
+#ifndef WORDS_BIGENDIAN
+ memcpy(in, block, sizeof(in));
+#else
+ for (a = 0; a < MD5_BLOCK_LENGTH / 4; a++) {
+ in[a] = (uint32_t)(
+ (uint32_t)(block[a * 4 + 0]) |
+ (uint32_t)(block[a * 4 + 1]) << 8 |
+ (uint32_t)(block[a * 4 + 2]) << 16 |
+ (uint32_t)(block[a * 4 + 3]) << 24);
+ }
+#endif
+
+ a = state[0];
+ b = state[1];
+ c = state[2];
+ d = state[3];
+
+ MD5STEP(F1, a, b, c, d, in[ 0] + 0xd76aa478, 7);
+ MD5STEP(F1, d, a, b, c, in[ 1] + 0xe8c7b756, 12);
+ MD5STEP(F1, c, d, a, b, in[ 2] + 0x242070db, 17);
+ MD5STEP(F1, b, c, d, a, in[ 3] + 0xc1bdceee, 22);
+ MD5STEP(F1, a, b, c, d, in[ 4] + 0xf57c0faf, 7);
+ MD5STEP(F1, d, a, b, c, in[ 5] + 0x4787c62a, 12);
+ MD5STEP(F1, c, d, a, b, in[ 6] + 0xa8304613, 17);
+ MD5STEP(F1, b, c, d, a, in[ 7] + 0xfd469501, 22);
+ MD5STEP(F1, a, b, c, d, in[ 8] + 0x698098d8, 7);
+ MD5STEP(F1, d, a, b, c, in[ 9] + 0x8b44f7af, 12);
+ MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
+ MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22);
+ MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7);
+ MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);
+ MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);
+ MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);
+
+ MD5STEP(F2, a, b, c, d, in[ 1] + 0xf61e2562, 5);
+ MD5STEP(F2, d, a, b, c, in[ 6] + 0xc040b340, 9);
+ MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
+ MD5STEP(F2, b, c, d, a, in[ 0] + 0xe9b6c7aa, 20);
+ MD5STEP(F2, a, b, c, d, in[ 5] + 0xd62f105d, 5);
+ MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
+ MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
+ MD5STEP(F2, b, c, d, a, in[ 4] + 0xe7d3fbc8, 20);
+ MD5STEP(F2, a, b, c, d, in[ 9] + 0x21e1cde6, 5);
+ MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);
+ MD5STEP(F2, c, d, a, b, in[ 3] + 0xf4d50d87, 14);
+ MD5STEP(F2, b, c, d, a, in[ 8] + 0x455a14ed, 20);
+ MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
+ MD5STEP(F2, d, a, b, c, in[ 2] + 0xfcefa3f8, 9);
+ MD5STEP(F2, c, d, a, b, in[ 7] + 0x676f02d9, 14);
+ MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
+
+ MD5STEP(F3, a, b, c, d, in[ 5] + 0xfffa3942, 4);
+ MD5STEP(F3, d, a, b, c, in[ 8] + 0x8771f681, 11);
+ MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
+ MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);
+ MD5STEP(F3, a, b, c, d, in[ 1] + 0xa4beea44, 4);
+ MD5STEP(F3, d, a, b, c, in[ 4] + 0x4bdecfa9, 11);
+ MD5STEP(F3, c, d, a, b, in[ 7] + 0xf6bb4b60, 16);
+ MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
+ MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
+ MD5STEP(F3, d, a, b, c, in[ 0] + 0xeaa127fa, 11);
+ MD5STEP(F3, c, d, a, b, in[ 3] + 0xd4ef3085, 16);
+ MD5STEP(F3, b, c, d, a, in[ 6] + 0x04881d05, 23);
+ MD5STEP(F3, a, b, c, d, in[ 9] + 0xd9d4d039, 4);
+ MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
+ MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
+ MD5STEP(F3, b, c, d, a, in[2 ] + 0xc4ac5665, 23);
+
+ MD5STEP(F4, a, b, c, d, in[ 0] + 0xf4292244, 6);
+ MD5STEP(F4, d, a, b, c, in[7 ] + 0x432aff97, 10);
+ MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
+ MD5STEP(F4, b, c, d, a, in[5 ] + 0xfc93a039, 21);
+ MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);
+ MD5STEP(F4, d, a, b, c, in[3 ] + 0x8f0ccc92, 10);
+ MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);
+ MD5STEP(F4, b, c, d, a, in[1 ] + 0x85845dd1, 21);
+ MD5STEP(F4, a, b, c, d, in[8 ] + 0x6fa87e4f, 6);
+ MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
+ MD5STEP(F4, c, d, a, b, in[6 ] + 0xa3014314, 15);
+ MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
+ MD5STEP(F4, a, b, c, d, in[4 ] + 0xf7537e82, 6);
+ MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
+ MD5STEP(F4, c, d, a, b, in[2 ] + 0x2ad7d2bb, 15);
+ MD5STEP(F4, b, c, d, a, in[9 ] + 0xeb86d391, 21);
+
+ state[0] += a;
+ state[1] += b;
+ state[2] += c;
+ state[3] += d;
+}
diff --git a/lib/compat/md5.h b/lib/compat/md5.h
new file mode 100644
index 0000000..b5247d5
--- /dev/null
+++ b/lib/compat/md5.h
@@ -0,0 +1,36 @@
+/* $OpenBSD: md5.h,v 1.15 2004/05/03 17:30:14 millert Exp $ */
+
+/*
+ * This code implements the MD5 message-digest algorithm.
+ * The algorithm is due to Ron Rivest. This code was
+ * written by Colin Plumb in 1993, no copyright is claimed.
+ * This code is in the public domain; do with it what you wish.
+ *
+ * Equivalent code is available from RSA Data Security, Inc.
+ * This code has been tested against that, and is equivalent,
+ * except that you don't need to include two pages of legalese
+ * with every copy.
+ */
+
+#ifndef _MD5_H_
+#define _MD5_H_
+
+#include <stdint.h>
+
+#define MD5_BLOCK_LENGTH 64
+#define MD5_DIGEST_LENGTH 16
+#define MD5_DIGEST_STRING_LENGTH (MD5_DIGEST_LENGTH * 2 + 1)
+
+typedef struct MD5Context {
+ uint32_t state[4]; /* state */
+ uint64_t count; /* number of bits, mod 2^64 */
+ uint8_t buffer[MD5_BLOCK_LENGTH]; /* input buffer */
+} MD5_CTX;
+
+void MD5Init(MD5_CTX *);
+void MD5Update(MD5_CTX *, const uint8_t *, size_t);
+void MD5Pad(MD5_CTX *);
+void MD5Final(uint8_t [MD5_DIGEST_LENGTH], MD5_CTX *);
+void MD5Transform(uint32_t [4], const uint8_t [MD5_BLOCK_LENGTH]);
+
+#endif /* _MD5_H_ */
diff --git a/lib/compat/obstack.c b/lib/compat/obstack.c
new file mode 100644
index 0000000..136fd33
--- /dev/null
+++ b/lib/compat/obstack.c
@@ -0,0 +1,434 @@
+/* obstack.c - subroutines used implicitly by object stack macros
+
+ Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1996, 1997,
+ 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software
+ Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#ifdef _LIBC
+# include <obstack.h>
+# include <shlib-compat.h>
+#else
+# include <config.h>
+# include "obstack.h"
+#endif
+
+/* NOTE BEFORE MODIFYING THIS FILE: This version number must be
+ incremented whenever callers compiled using an old obstack.h can no
+ longer properly call the functions in this obstack.c. */
+#define OBSTACK_INTERFACE_VERSION 1
+
+/* Comment out all this code if we are using the GNU C Library, and are not
+ actually compiling the library itself, and the installed library
+ supports the same library interface we do. This code is part of the GNU
+ C Library, but also included in many other GNU distributions. Compiling
+ and linking in this code is a waste when using the GNU C library
+ (especially if it is a shared library). Rather than having every GNU
+ program understand `configure --with-gnu-libc' and omit the object
+ files, it is simpler to just do this in the source for each such file. */
+
+#include <stdio.h> /* Random thing to get __GNU_LIBRARY__. */
+#if !defined _LIBC && defined __GNU_LIBRARY__ && __GNU_LIBRARY__ > 1
+# include <gnu-versions.h>
+# if _GNU_OBSTACK_INTERFACE_VERSION == OBSTACK_INTERFACE_VERSION
+# define ELIDE_CODE
+# endif
+#endif
+
+#include <stddef.h>
+
+#ifndef ELIDE_CODE
+
+# include <stdint.h>
+
+/* Determine default alignment. */
+union fooround
+{
+ uintmax_t i;
+ long double d;
+ void *p;
+};
+struct fooalign
+{
+ char c;
+ union fooround u;
+};
+/* If malloc were really smart, it would round addresses to DEFAULT_ALIGNMENT.
+ But in fact it might be less smart and round addresses to as much as
+ DEFAULT_ROUNDING. So we prepare for it to do that. */
+enum
+ {
+ DEFAULT_ALIGNMENT = offsetof (struct fooalign, u),
+ DEFAULT_ROUNDING = sizeof (union fooround)
+ };
+
+/* When we copy a long block of data, this is the unit to do it with.
+ On some machines, copying successive ints does not work;
+ in such a case, redefine COPYING_UNIT to `long' (if that works)
+ or `char' as a last resort. */
+# ifndef COPYING_UNIT
+# define COPYING_UNIT int
+# endif
+
+
+/* The functions allocating more room by calling `obstack_chunk_alloc'
+ jump to the handler pointed to by `obstack_alloc_failed_handler'.
+ This can be set to a user defined function which should either
+ abort gracefully or use longjmp - but shouldn't return. This
+ variable by default points to the internal function
+ `print_and_abort'. */
+static void print_and_abort (void);
+void (*obstack_alloc_failed_handler) (void) = print_and_abort;
+
+/* Exit value used when `print_and_abort' is used. */
+# include <stdlib.h>
+# ifdef _LIBC
+int obstack_exit_failure = EXIT_FAILURE;
+# else
+#ifndef EXIT_FAILURE
+#define EXIT_FAILURE 1
+#endif
+int volatile exit_failure = EXIT_FAILURE;
+# define obstack_exit_failure exit_failure
+# endif
+
+# ifdef _LIBC
+# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_4)
+/* A looong time ago (before 1994, anyway; we're not sure) this global variable
+ was used by non-GNU-C macros to avoid multiple evaluation. The GNU C
+ library still exports it because somebody might use it. */
+struct obstack *_obstack_compat;
+compat_symbol (libc, _obstack_compat, _obstack, GLIBC_2_0);
+# endif
+# endif
+
+/* Define a macro that either calls functions with the traditional malloc/free
+ calling interface, or calls functions with the mmalloc/mfree interface
+ (that adds an extra first argument), based on the state of use_extra_arg.
+ For free, do not use ?:, since some compilers, like the MIPS compilers,
+ do not allow (expr) ? void : void. */
+
+# define CALL_CHUNKFUN(h, size) \
+ (((h) -> use_extra_arg) \
+ ? (*(h)->chunkfun) ((h)->extra_arg, (size)) \
+ : (*(struct _obstack_chunk *(*) (long)) (h)->chunkfun) ((size)))
+
+# define CALL_FREEFUN(h, old_chunk) \
+ do { \
+ if ((h) -> use_extra_arg) \
+ (*(h)->freefun) ((h)->extra_arg, (old_chunk)); \
+ else \
+ (*(void (*) (void *)) (h)->freefun) ((old_chunk)); \
+ } while (0)
+
+
+/* Initialize an obstack H for use. Specify chunk size SIZE (0 means default).
+ Objects start on multiples of ALIGNMENT (0 means use default).
+ CHUNKFUN is the function to use to allocate chunks,
+ and FREEFUN the function to free them.
+
+ Return nonzero if successful, calls obstack_alloc_failed_handler if
+ allocation fails. */
+
+int
+_obstack_begin (struct obstack *h,
+ int size, int alignment,
+ void *(*chunkfun) (long),
+ void (*freefun) (void *))
+{
+ register struct _obstack_chunk *chunk; /* points to new chunk */
+
+ if (alignment == 0)
+ alignment = DEFAULT_ALIGNMENT;
+ if (size == 0)
+ /* Default size is what GNU malloc can fit in a 4096-byte block. */
+ {
+ /* 12 is sizeof (mhead) and 4 is EXTRA from GNU malloc.
+ Use the values for range checking, because if range checking is off,
+ the extra bytes won't be missed terribly, but if range checking is on
+ and we used a larger request, a whole extra 4096 bytes would be
+ allocated.
+
+ These number are irrelevant to the new GNU malloc. I suspect it is
+ less sensitive to the size of the request. */
+ int extra = ((((12 + DEFAULT_ROUNDING - 1) & ~(DEFAULT_ROUNDING - 1))
+ + 4 + DEFAULT_ROUNDING - 1)
+ & ~(DEFAULT_ROUNDING - 1));
+ size = 4096 - extra;
+ }
+
+ h->chunkfun = (struct _obstack_chunk * (*)(void *, long)) chunkfun;
+ h->freefun = (void (*) (void *, struct _obstack_chunk *)) freefun;
+ h->chunk_size = size;
+ h->alignment_mask = alignment - 1;
+ h->use_extra_arg = 0;
+
+ chunk = h->chunk = CALL_CHUNKFUN (h, h -> chunk_size);
+ if (!chunk)
+ (*obstack_alloc_failed_handler) ();
+ h->next_free = h->object_base = __PTR_ALIGN ((char *) chunk, chunk->contents,
+ alignment - 1);
+ h->chunk_limit = chunk->limit
+ = (char *) chunk + h->chunk_size;
+ chunk->prev = 0;
+ /* The initial chunk now contains no empty object. */
+ h->maybe_empty_object = 0;
+ h->alloc_failed = 0;
+ return 1;
+}
+
+int
+_obstack_begin_1 (struct obstack *h, int size, int alignment,
+ void *(*chunkfun) (void *, long),
+ void (*freefun) (void *, void *),
+ void *arg)
+{
+ register struct _obstack_chunk *chunk; /* points to new chunk */
+
+ if (alignment == 0)
+ alignment = DEFAULT_ALIGNMENT;
+ if (size == 0)
+ /* Default size is what GNU malloc can fit in a 4096-byte block. */
+ {
+ /* 12 is sizeof (mhead) and 4 is EXTRA from GNU malloc.
+ Use the values for range checking, because if range checking is off,
+ the extra bytes won't be missed terribly, but if range checking is on
+ and we used a larger request, a whole extra 4096 bytes would be
+ allocated.
+
+ These number are irrelevant to the new GNU malloc. I suspect it is
+ less sensitive to the size of the request. */
+ int extra = ((((12 + DEFAULT_ROUNDING - 1) & ~(DEFAULT_ROUNDING - 1))
+ + 4 + DEFAULT_ROUNDING - 1)
+ & ~(DEFAULT_ROUNDING - 1));
+ size = 4096 - extra;
+ }
+
+ h->chunkfun = (struct _obstack_chunk * (*)(void *,long)) chunkfun;
+ h->freefun = (void (*) (void *, struct _obstack_chunk *)) freefun;
+ h->chunk_size = size;
+ h->alignment_mask = alignment - 1;
+ h->extra_arg = arg;
+ h->use_extra_arg = 1;
+
+ chunk = h->chunk = CALL_CHUNKFUN (h, h -> chunk_size);
+ if (!chunk)
+ (*obstack_alloc_failed_handler) ();
+ h->next_free = h->object_base = __PTR_ALIGN ((char *) chunk, chunk->contents,
+ alignment - 1);
+ h->chunk_limit = chunk->limit
+ = (char *) chunk + h->chunk_size;
+ chunk->prev = 0;
+ /* The initial chunk now contains no empty object. */
+ h->maybe_empty_object = 0;
+ h->alloc_failed = 0;
+ return 1;
+}
+
+/* Allocate a new current chunk for the obstack *H
+ on the assumption that LENGTH bytes need to be added
+ to the current object, or a new object of length LENGTH allocated.
+ Copies any partial object from the end of the old chunk
+ to the beginning of the new one. */
+
+void
+_obstack_newchunk (struct obstack *h, int length)
+{
+ register struct _obstack_chunk *old_chunk = h->chunk;
+ register struct _obstack_chunk *new_chunk;
+ register long new_size;
+ register long obj_size = h->next_free - h->object_base;
+ register long i;
+ long already;
+ char *object_base;
+
+ /* Compute size for new chunk. */
+ new_size = (obj_size + length) + (obj_size >> 3) + h->alignment_mask + 100;
+ if (new_size < h->chunk_size)
+ new_size = h->chunk_size;
+
+ /* Allocate and initialize the new chunk. */
+ new_chunk = CALL_CHUNKFUN (h, new_size);
+ if (!new_chunk)
+ (*obstack_alloc_failed_handler) ();
+ h->chunk = new_chunk;
+ new_chunk->prev = old_chunk;
+ new_chunk->limit = h->chunk_limit = (char *) new_chunk + new_size;
+
+ /* Compute an aligned object_base in the new chunk */
+ object_base =
+ __PTR_ALIGN ((char *) new_chunk, new_chunk->contents, h->alignment_mask);
+
+ /* Move the existing object to the new chunk.
+ Word at a time is fast and is safe if the object
+ is sufficiently aligned. */
+ if (h->alignment_mask + 1 >= DEFAULT_ALIGNMENT)
+ {
+ for (i = obj_size / sizeof (COPYING_UNIT) - 1;
+ i >= 0; i--)
+ ((COPYING_UNIT *)object_base)[i]
+ = ((COPYING_UNIT *)h->object_base)[i];
+ /* We used to copy the odd few remaining bytes as one extra COPYING_UNIT,
+ but that can cross a page boundary on a machine
+ which does not do strict alignment for COPYING_UNITS. */
+ already = obj_size / sizeof (COPYING_UNIT) * sizeof (COPYING_UNIT);
+ }
+ else
+ already = 0;
+ /* Copy remaining bytes one by one. */
+ for (i = already; i < obj_size; i++)
+ object_base[i] = h->object_base[i];
+
+ /* If the object just copied was the only data in OLD_CHUNK,
+ free that chunk and remove it from the chain.
+ But not if that chunk might contain an empty object. */
+ if (! h->maybe_empty_object
+ && (h->object_base
+ == __PTR_ALIGN ((char *) old_chunk, old_chunk->contents,
+ h->alignment_mask)))
+ {
+ new_chunk->prev = old_chunk->prev;
+ CALL_FREEFUN (h, old_chunk);
+ }
+
+ h->object_base = object_base;
+ h->next_free = h->object_base + obj_size;
+ /* The new chunk certainly contains no empty object yet. */
+ h->maybe_empty_object = 0;
+}
+# ifdef _LIBC
+libc_hidden_def (_obstack_newchunk)
+# endif
+
+/* Return nonzero if object OBJ has been allocated from obstack H.
+ This is here for debugging.
+ If you use it in a program, you are probably losing. */
+
+/* Suppress -Wmissing-prototypes warning. We don't want to declare this in
+ obstack.h because it is just for debugging. */
+int _obstack_allocated_p (struct obstack *h, void *obj);
+
+int
+_obstack_allocated_p (struct obstack *h, void *obj)
+{
+ register struct _obstack_chunk *lp; /* below addr of any objects in this chunk */
+ register struct _obstack_chunk *plp; /* point to previous chunk if any */
+
+ lp = (h)->chunk;
+ /* We use >= rather than > since the object cannot be exactly at
+ the beginning of the chunk but might be an empty object exactly
+ at the end of an adjacent chunk. */
+ while (lp != 0 && ((void *) lp >= obj || (void *) (lp)->limit < obj))
+ {
+ plp = lp->prev;
+ lp = plp;
+ }
+ return lp != 0;
+}
+
+/* Free objects in obstack H, including OBJ and everything allocate
+ more recently than OBJ. If OBJ is zero, free everything in H. */
+
+# undef obstack_free
+
+void
+__obstack_free (struct obstack *h, void *obj)
+{
+ register struct _obstack_chunk *lp; /* below addr of any objects in this chunk */
+ register struct _obstack_chunk *plp; /* point to previous chunk if any */
+
+ lp = h->chunk;
+ /* We use >= because there cannot be an object at the beginning of a chunk.
+ But there can be an empty object at that address
+ at the end of another chunk. */
+ while (lp != 0 && ((void *) lp >= obj || (void *) (lp)->limit < obj))
+ {
+ plp = lp->prev;
+ CALL_FREEFUN (h, lp);
+ lp = plp;
+ /* If we switch chunks, we can't tell whether the new current
+ chunk contains an empty object, so assume that it may. */
+ h->maybe_empty_object = 1;
+ }
+ if (lp)
+ {
+ h->object_base = h->next_free = (char *) (obj);
+ h->chunk_limit = lp->limit;
+ h->chunk = lp;
+ }
+ else if (obj != 0)
+ /* obj is not in any of the chunks! */
+ abort ();
+}
+
+# ifdef _LIBC
+/* Older versions of libc used a function _obstack_free intended to be
+ called by non-GCC compilers. */
+strong_alias (obstack_free, _obstack_free)
+# endif
+
+int
+_obstack_memory_used (struct obstack *h)
+{
+ register struct _obstack_chunk* lp;
+ register int nbytes = 0;
+
+ for (lp = h->chunk; lp != 0; lp = lp->prev)
+ {
+ nbytes += lp->limit - (char *) lp;
+ }
+ return nbytes;
+}
+
+/* Define the error handler. */
+# ifdef _LIBC
+# include <libintl.h>
+# else
+# include "gettext.h"
+# endif
+# ifndef _
+# define _(msgid) gettext (msgid)
+# endif
+
+# ifdef _LIBC
+# include <libio/iolibio.h>
+# endif
+
+# ifndef __attribute__
+/* This feature is available in gcc versions 2.5 and later. */
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
+# define __attribute__(Spec) /* empty */
+# endif
+# endif
+
+static void
+__attribute__ ((noreturn))
+print_and_abort (void)
+{
+ /* Don't change any of these strings. Yes, it would be possible to add
+ the newline to the string and use fputs or so. But this must not
+ happen because the "memory exhausted" message appears in other places
+ like this and the translation should be reused instead of creating
+ a very similar string which requires a separate translation. */
+# ifdef _LIBC
+ (void) __fxprintf (NULL, "%s\n", _("memory exhausted"));
+# else
+ fprintf (stderr, "%s\n", _("memory exhausted"));
+# endif
+ exit (obstack_exit_failure);
+}
+
+#endif /* !ELIDE_CODE */
diff --git a/lib/compat/obstack.h b/lib/compat/obstack.h
new file mode 100644
index 0000000..a676d31
--- /dev/null
+++ b/lib/compat/obstack.h
@@ -0,0 +1,513 @@
+/* obstack.h - object stack macros
+ Copyright (C) 1988-1994,1996-1999,2003,2004,2005,2006
+ Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+/* Summary:
+
+All the apparent functions defined here are macros. The idea
+is that you would use these pre-tested macros to solve a
+very specific set of problems, and they would run fast.
+Caution: no side-effects in arguments please!! They may be
+evaluated MANY times!!
+
+These macros operate a stack of objects. Each object starts life
+small, and may grow to maturity. (Consider building a word syllable
+by syllable.) An object can move while it is growing. Once it has
+been "finished" it never changes address again. So the "top of the
+stack" is typically an immature growing object, while the rest of the
+stack is of mature, fixed size and fixed address objects.
+
+These routines grab large chunks of memory, using a function you
+supply, called `obstack_chunk_alloc'. On occasion, they free chunks,
+by calling `obstack_chunk_free'. You must define them and declare
+them before using any obstack macros.
+
+Each independent stack is represented by a `struct obstack'.
+Each of the obstack macros expects a pointer to such a structure
+as the first argument.
+
+One motivation for this package is the problem of growing char strings
+in symbol tables. Unless you are "fascist pig with a read-only mind"
+--Gosper's immortal quote from HAKMEM item 154, out of context--you
+would not like to put any arbitrary upper limit on the length of your
+symbols.
+
+In practice this often means you will build many short symbols and a
+few long symbols. At the time you are reading a symbol you don't know
+how long it is. One traditional method is to read a symbol into a
+buffer, realloc()ating the buffer every time you try to read a symbol
+that is longer than the buffer. This is beaut, but you still will
+want to copy the symbol from the buffer to a more permanent
+symbol-table entry say about half the time.
+
+With obstacks, you can work differently. Use one obstack for all symbol
+names. As you read a symbol, grow the name in the obstack gradually.
+When the name is complete, finalize it. Then, if the symbol exists already,
+free the newly read name.
+
+The way we do this is to take a large chunk, allocating memory from
+low addresses. When you want to build a symbol in the chunk you just
+add chars above the current "high water mark" in the chunk. When you
+have finished adding chars, because you got to the end of the symbol,
+you know how long the chars are, and you can create a new object.
+Mostly the chars will not burst over the highest address of the chunk,
+because you would typically expect a chunk to be (say) 100 times as
+long as an average object.
+
+In case that isn't clear, when we have enough chars to make up
+the object, THEY ARE ALREADY CONTIGUOUS IN THE CHUNK (guaranteed)
+so we just point to it where it lies. No moving of chars is
+needed and this is the second win: potentially long strings need
+never be explicitly shuffled. Once an object is formed, it does not
+change its address during its lifetime.
+
+When the chars burst over a chunk boundary, we allocate a larger
+chunk, and then copy the partly formed object from the end of the old
+chunk to the beginning of the new larger chunk. We then carry on
+accreting characters to the end of the object as we normally would.
+
+A special macro is provided to add a single char at a time to a
+growing object. This allows the use of register variables, which
+break the ordinary 'growth' macro.
+
+Summary:
+ We allocate large chunks.
+ We carve out one object at a time from the current chunk.
+ Once carved, an object never moves.
+ We are free to append data of any size to the currently
+ growing object.
+ Exactly one object is growing in an obstack at any one time.
+ You can run one obstack per control block.
+ You may have as many control blocks as you dare.
+ Because of the way we do it, you can `unwind' an obstack
+ back to a previous state. (You may remove objects much
+ as you would with a stack.)
+*/
+
+
+/* Don't do the contents of this file more than once. */
+
+#ifndef _OBSTACK_H
+#define _OBSTACK_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* We need the type of a pointer subtraction. If __PTRDIFF_TYPE__ is
+ defined, as with GNU C, use that; that way we don't pollute the
+ namespace with <stddef.h>'s symbols. Otherwise, include <stddef.h>
+ and use ptrdiff_t. */
+
+#ifdef __PTRDIFF_TYPE__
+# define PTR_INT_TYPE __PTRDIFF_TYPE__
+#else
+# include <stddef.h>
+# define PTR_INT_TYPE ptrdiff_t
+#endif
+
+/* If B is the base of an object addressed by P, return the result of
+ aligning P to the next multiple of A + 1. B and P must be of type
+ char *. A + 1 must be a power of 2. */
+
+#define __BPTR_ALIGN(B, P, A) ((B) + (((P) - (B) + (A)) & ~(A)))
+
+/* Similar to _BPTR_ALIGN (B, P, A), except optimize the common case
+ where pointers can be converted to integers, aligned as integers,
+ and converted back again. If PTR_INT_TYPE is narrower than a
+ pointer (e.g., the AS/400), play it safe and compute the alignment
+ relative to B. Otherwise, use the faster strategy of computing the
+ alignment relative to 0. */
+
+#define __PTR_ALIGN(B, P, A) \
+ __BPTR_ALIGN (sizeof (PTR_INT_TYPE) < sizeof (void *) ? (B) : (char *) 0, \
+ P, A)
+
+#include <string.h>
+
+struct _obstack_chunk /* Lives at front of each chunk. */
+{
+ char *limit; /* 1 past end of this chunk */
+ struct _obstack_chunk *prev; /* address of prior chunk or NULL */
+ char contents[4]; /* objects begin here */
+};
+
+struct obstack /* control current object in current chunk */
+{
+ long chunk_size; /* preferred size to allocate chunks in */
+ struct _obstack_chunk *chunk; /* address of current struct obstack_chunk */
+ char *object_base; /* address of object we are building */
+ char *next_free; /* where to add next char to current object */
+ char *chunk_limit; /* address of char after current chunk */
+ union
+ {
+ PTR_INT_TYPE tempint;
+ void *tempptr;
+ } temp; /* Temporary for some macros. */
+ int alignment_mask; /* Mask of alignment for each object. */
+ /* These prototypes vary based on `use_extra_arg', and we use
+ casts to the prototypeless function type in all assignments,
+ but having prototypes here quiets -Wstrict-prototypes. */
+ struct _obstack_chunk *(*chunkfun) (void *, long);
+ void (*freefun) (void *, struct _obstack_chunk *);
+ void *extra_arg; /* first arg for chunk alloc/dealloc funcs */
+ unsigned use_extra_arg:1; /* chunk alloc/dealloc funcs take extra arg */
+ unsigned maybe_empty_object:1;/* There is a possibility that the current
+ chunk contains a zero-length object. This
+ prevents freeing the chunk if we allocate
+ a bigger chunk to replace it. */
+ unsigned alloc_failed:1; /* No longer used, as we now call the failed
+ handler on error, but retained for binary
+ compatibility. */
+};
+
+/* Declare the external functions we use; they are in obstack.c. */
+
+extern void _obstack_newchunk (struct obstack *, int);
+extern int _obstack_begin (struct obstack *, int, int,
+ void *(*) (long), void (*) (void *));
+extern int _obstack_begin_1 (struct obstack *, int, int,
+ void *(*) (void *, long),
+ void (*) (void *, void *), void *);
+extern int _obstack_memory_used (struct obstack *);
+
+/* The default name of the function for freeing a chunk is 'obstack_free',
+ but gnulib users can override this by defining '__obstack_free'. */
+#ifndef __obstack_free
+# define __obstack_free obstack_free
+#endif
+extern void __obstack_free (struct obstack *obstack, void *block);
+
+
+/* Error handler called when `obstack_chunk_alloc' failed to allocate
+ more memory. This can be set to a user defined function which
+ should either abort gracefully or use longjmp - but shouldn't
+ return. The default action is to print a message and abort. */
+extern void (*obstack_alloc_failed_handler) (void);
+
+/* Exit value used when `print_and_abort' is used. */
+extern int obstack_exit_failure;
+
+/* Pointer to beginning of object being allocated or to be allocated next.
+ Note that this might not be the final address of the object
+ because a new chunk might be needed to hold the final size. */
+
+#define obstack_base(h) ((void *) (h)->object_base)
+
+/* Size for allocating ordinary chunks. */
+
+#define obstack_chunk_size(h) ((h)->chunk_size)
+
+/* Pointer to next byte not yet allocated in current chunk. */
+
+#define obstack_next_free(h) ((h)->next_free)
+
+/* Mask specifying low bits that should be clear in address of an object. */
+
+#define obstack_alignment_mask(h) ((h)->alignment_mask)
+
+/* To prevent prototype warnings provide complete argument list. */
+#define obstack_init(h) \
+ _obstack_begin ((h), 0, 0, \
+ (void *(*) (long)) obstack_chunk_alloc, \
+ (void (*) (void *)) obstack_chunk_free)
+
+#define obstack_begin(h, size) \
+ _obstack_begin ((h), (size), 0, \
+ (void *(*) (long)) obstack_chunk_alloc, \
+ (void (*) (void *)) obstack_chunk_free)
+
+#define obstack_specify_allocation(h, size, alignment, chunkfun, freefun) \
+ _obstack_begin ((h), (size), (alignment), \
+ (void *(*) (long)) (chunkfun), \
+ (void (*) (void *)) (freefun))
+
+#define obstack_specify_allocation_with_arg(h, size, alignment, chunkfun, freefun, arg) \
+ _obstack_begin_1 ((h), (size), (alignment), \
+ (void *(*) (void *, long)) (chunkfun), \
+ (void (*) (void *, void *)) (freefun), (arg))
+
+#define obstack_chunkfun(h, newchunkfun) \
+ ((h) -> chunkfun = (struct _obstack_chunk *(*)(void *, long)) (newchunkfun))
+
+#define obstack_freefun(h, newfreefun) \
+ ((h) -> freefun = (void (*)(void *, struct _obstack_chunk *)) (newfreefun))
+
+#define obstack_1grow_fast(h,achar) (*((h)->next_free)++ = (achar))
+
+#define obstack_blank_fast(h,n) ((h)->next_free += (n))
+
+#define obstack_memory_used(h) _obstack_memory_used (h)
+
+#if defined __GNUC__ && defined __STDC__ && __STDC__
+/* NextStep 2.0 cc is really gcc 1.93 but it defines __GNUC__ = 2 and
+ does not implement __extension__. But that compiler doesn't define
+ __GNUC_MINOR__. */
+# if __GNUC__ < 2 || (__NeXT__ && !__GNUC_MINOR__)
+# define __extension__
+# endif
+
+/* For GNU C, if not -traditional,
+ we can define these macros to compute all args only once
+ without using a global variable.
+ Also, we can avoid using the `temp' slot, to make faster code. */
+
+# define obstack_object_size(OBSTACK) \
+ __extension__ \
+ ({ struct obstack const *__o = (OBSTACK); \
+ (unsigned) (__o->next_free - __o->object_base); })
+
+# define obstack_room(OBSTACK) \
+ __extension__ \
+ ({ struct obstack const *__o = (OBSTACK); \
+ (unsigned) (__o->chunk_limit - __o->next_free); })
+
+# define obstack_make_room(OBSTACK,length) \
+__extension__ \
+({ struct obstack *__o = (OBSTACK); \
+ int __len = (length); \
+ if (__o->chunk_limit - __o->next_free < __len) \
+ _obstack_newchunk (__o, __len); \
+ (void) 0; })
+
+# define obstack_empty_p(OBSTACK) \
+ __extension__ \
+ ({ struct obstack const *__o = (OBSTACK); \
+ (__o->chunk->prev == 0 \
+ && __o->next_free == __PTR_ALIGN ((char *) __o->chunk, \
+ __o->chunk->contents, \
+ __o->alignment_mask)); })
+
+# define obstack_grow(OBSTACK,where,length) \
+__extension__ \
+({ struct obstack *__o = (OBSTACK); \
+ int __len = (length); \
+ if (__o->next_free + __len > __o->chunk_limit) \
+ _obstack_newchunk (__o, __len); \
+ memcpy (__o->next_free, where, __len); \
+ __o->next_free += __len; \
+ (void) 0; })
+
+# define obstack_grow0(OBSTACK,where,length) \
+__extension__ \
+({ struct obstack *__o = (OBSTACK); \
+ int __len = (length); \
+ if (__o->next_free + __len + 1 > __o->chunk_limit) \
+ _obstack_newchunk (__o, __len + 1); \
+ memcpy (__o->next_free, where, __len); \
+ __o->next_free += __len; \
+ *(__o->next_free)++ = 0; \
+ (void) 0; })
+
+# define obstack_1grow(OBSTACK,datum) \
+__extension__ \
+({ struct obstack *__o = (OBSTACK); \
+ if (__o->next_free + 1 > __o->chunk_limit) \
+ _obstack_newchunk (__o, 1); \
+ obstack_1grow_fast (__o, datum); \
+ (void) 0; })
+
+/* These assume that the obstack alignment is good enough for pointers
+ or ints, and that the data added so far to the current object
+ shares that much alignment. */
+
+# define obstack_ptr_grow(OBSTACK,datum) \
+__extension__ \
+({ struct obstack *__o = (OBSTACK); \
+ if (__o->next_free + sizeof (void *) > __o->chunk_limit) \
+ _obstack_newchunk (__o, sizeof (void *)); \
+ obstack_ptr_grow_fast (__o, datum); }) \
+
+# define obstack_int_grow(OBSTACK,datum) \
+__extension__ \
+({ struct obstack *__o = (OBSTACK); \
+ if (__o->next_free + sizeof (int) > __o->chunk_limit) \
+ _obstack_newchunk (__o, sizeof (int)); \
+ obstack_int_grow_fast (__o, datum); })
+
+# define obstack_ptr_grow_fast(OBSTACK,aptr) \
+__extension__ \
+({ struct obstack *__o1 = (OBSTACK); \
+ *(const void **) __o1->next_free = (aptr); \
+ __o1->next_free += sizeof (const void *); \
+ (void) 0; })
+
+# define obstack_int_grow_fast(OBSTACK,aint) \
+__extension__ \
+({ struct obstack *__o1 = (OBSTACK); \
+ *(int *) __o1->next_free = (aint); \
+ __o1->next_free += sizeof (int); \
+ (void) 0; })
+
+# define obstack_blank(OBSTACK,length) \
+__extension__ \
+({ struct obstack *__o = (OBSTACK); \
+ int __len = (length); \
+ if (__o->chunk_limit - __o->next_free < __len) \
+ _obstack_newchunk (__o, __len); \
+ obstack_blank_fast (__o, __len); \
+ (void) 0; })
+
+# define obstack_alloc(OBSTACK,length) \
+__extension__ \
+({ struct obstack *__h = (OBSTACK); \
+ obstack_blank (__h, (length)); \
+ obstack_finish (__h); })
+
+# define obstack_copy(OBSTACK,where,length) \
+__extension__ \
+({ struct obstack *__h = (OBSTACK); \
+ obstack_grow (__h, (where), (length)); \
+ obstack_finish (__h); })
+
+# define obstack_copy0(OBSTACK,where,length) \
+__extension__ \
+({ struct obstack *__h = (OBSTACK); \
+ obstack_grow0 (__h, (where), (length)); \
+ obstack_finish (__h); })
+
+/* The local variable is named __o1 to avoid a name conflict
+ when obstack_blank is called. */
+# define obstack_finish(OBSTACK) \
+__extension__ \
+({ struct obstack *__o1 = (OBSTACK); \
+ void *__value = (void *) __o1->object_base; \
+ if (__o1->next_free == __value) \
+ __o1->maybe_empty_object = 1; \
+ __o1->next_free \
+ = __PTR_ALIGN (__o1->object_base, __o1->next_free, \
+ __o1->alignment_mask); \
+ if (__o1->next_free - (char *)__o1->chunk \
+ > __o1->chunk_limit - (char *)__o1->chunk) \
+ __o1->next_free = __o1->chunk_limit; \
+ __o1->object_base = __o1->next_free; \
+ __value; })
+
+# define obstack_free(OBSTACK, OBJ) \
+__extension__ \
+({ struct obstack *__o = (OBSTACK); \
+ void *__obj = (OBJ); \
+ if (__obj > (void *)__o->chunk && __obj < (void *)__o->chunk_limit) \
+ __o->next_free = __o->object_base = (char *)__obj; \
+ else (__obstack_free) (__o, __obj); })
+
+#else /* not __GNUC__ or not __STDC__ */
+
+# define obstack_object_size(h) \
+ (unsigned) ((h)->next_free - (h)->object_base)
+
+# define obstack_room(h) \
+ (unsigned) ((h)->chunk_limit - (h)->next_free)
+
+# define obstack_empty_p(h) \
+ ((h)->chunk->prev == 0 \
+ && (h)->next_free == __PTR_ALIGN ((char *) (h)->chunk, \
+ (h)->chunk->contents, \
+ (h)->alignment_mask))
+
+/* Note that the call to _obstack_newchunk is enclosed in (..., 0)
+ so that we can avoid having void expressions
+ in the arms of the conditional expression.
+ Casting the third operand to void was tried before,
+ but some compilers won't accept it. */
+
+# define obstack_make_room(h,length) \
+( (h)->temp.tempint = (length), \
+ (((h)->next_free + (h)->temp.tempint > (h)->chunk_limit) \
+ ? (_obstack_newchunk ((h), (h)->temp.tempint), 0) : 0))
+
+# define obstack_grow(h,where,length) \
+( (h)->temp.tempint = (length), \
+ (((h)->next_free + (h)->temp.tempint > (h)->chunk_limit) \
+ ? (_obstack_newchunk ((h), (h)->temp.tempint), 0) : 0), \
+ memcpy ((h)->next_free, where, (h)->temp.tempint), \
+ (h)->next_free += (h)->temp.tempint)
+
+# define obstack_grow0(h,where,length) \
+( (h)->temp.tempint = (length), \
+ (((h)->next_free + (h)->temp.tempint + 1 > (h)->chunk_limit) \
+ ? (_obstack_newchunk ((h), (h)->temp.tempint + 1), 0) : 0), \
+ memcpy ((h)->next_free, where, (h)->temp.tempint), \
+ (h)->next_free += (h)->temp.tempint, \
+ *((h)->next_free)++ = 0)
+
+# define obstack_1grow(h,datum) \
+( (((h)->next_free + 1 > (h)->chunk_limit) \
+ ? (_obstack_newchunk ((h), 1), 0) : 0), \
+ obstack_1grow_fast (h, datum))
+
+# define obstack_ptr_grow(h,datum) \
+( (((h)->next_free + sizeof (char *) > (h)->chunk_limit) \
+ ? (_obstack_newchunk ((h), sizeof (char *)), 0) : 0), \
+ obstack_ptr_grow_fast (h, datum))
+
+# define obstack_int_grow(h,datum) \
+( (((h)->next_free + sizeof (int) > (h)->chunk_limit) \
+ ? (_obstack_newchunk ((h), sizeof (int)), 0) : 0), \
+ obstack_int_grow_fast (h, datum))
+
+# define obstack_ptr_grow_fast(h,aptr) \
+ (((const void **) ((h)->next_free += sizeof (void *)))[-1] = (aptr))
+
+# define obstack_int_grow_fast(h,aint) \
+ (((int *) ((h)->next_free += sizeof (int)))[-1] = (aint))
+
+# define obstack_blank(h,length) \
+( (h)->temp.tempint = (length), \
+ (((h)->chunk_limit - (h)->next_free < (h)->temp.tempint) \
+ ? (_obstack_newchunk ((h), (h)->temp.tempint), 0) : 0), \
+ obstack_blank_fast (h, (h)->temp.tempint))
+
+# define obstack_alloc(h,length) \
+ (obstack_blank ((h), (length)), obstack_finish ((h)))
+
+# define obstack_copy(h,where,length) \
+ (obstack_grow ((h), (where), (length)), obstack_finish ((h)))
+
+# define obstack_copy0(h,where,length) \
+ (obstack_grow0 ((h), (where), (length)), obstack_finish ((h)))
+
+# define obstack_finish(h) \
+( ((h)->next_free == (h)->object_base \
+ ? (((h)->maybe_empty_object = 1), 0) \
+ : 0), \
+ (h)->temp.tempptr = (h)->object_base, \
+ (h)->next_free \
+ = __PTR_ALIGN ((h)->object_base, (h)->next_free, \
+ (h)->alignment_mask), \
+ (((h)->next_free - (char *) (h)->chunk \
+ > (h)->chunk_limit - (char *) (h)->chunk) \
+ ? ((h)->next_free = (h)->chunk_limit) : 0), \
+ (h)->object_base = (h)->next_free, \
+ (h)->temp.tempptr)
+
+# define obstack_free(h,obj) \
+( (h)->temp.tempint = (char *) (obj) - (char *) (h)->chunk, \
+ ((((h)->temp.tempint > 0 \
+ && (h)->temp.tempint < (h)->chunk_limit - (char *) (h)->chunk)) \
+ ? (int) ((h)->next_free = (h)->object_base \
+ = (h)->temp.tempint + (char *) (h)->chunk) \
+ : (((__obstack_free) ((h), (h)->temp.tempint + (char *) (h)->chunk), 0), 0)))
+
+#endif /* not __GNUC__ or not __STDC__ */
+
+#ifdef __cplusplus
+} /* C++ */
+#endif
+
+#endif /* obstack.h */
diff --git a/lib/compat/scandir.c b/lib/compat/scandir.c
new file mode 100644
index 0000000..8771de0
--- /dev/null
+++ b/lib/compat/scandir.c
@@ -0,0 +1,99 @@
+/*
+ * libcompat - system compatibility library
+ *
+ * Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ * Copyright © 2008, 2009 Guillem Jover <guillem@debian.org>
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <sys/types.h>
+
+#include <string.h>
+#include <dirent.h>
+#include <stdlib.h>
+
+#include "compat.h"
+
+static int
+cleanup(DIR *dir, struct dirent **dirlist, int used)
+{
+ if (dir)
+ closedir(dir);
+
+ if (dirlist) {
+ int i;
+
+ for (i = 0; i < used; i++)
+ free(dirlist[i]);
+ free(dirlist);
+ }
+
+ return -1;
+}
+
+int
+scandir(const char *dir, struct dirent ***namelist,
+ int (*filter)(const struct dirent *),
+ int (*cmp)(const void *, const void *))
+{
+ DIR *d;
+ struct dirent *e, *m, **list;
+ int used, avail;
+
+ d = opendir(dir);
+ if (!d)
+ return -1;
+
+ list = NULL;
+ used = avail = 0;
+
+ while ((e = readdir(d)) != NULL) {
+ if (filter != NULL && !filter(e))
+ continue;
+
+ if (used >= avail - 1) {
+ struct dirent **newlist;
+
+ if (avail)
+ avail *= 2;
+ else
+ avail = 20;
+ newlist = realloc(list, avail * sizeof(*newlist));
+ if (!newlist)
+ return cleanup(d, list, used);
+ list = newlist;
+ }
+
+ m = malloc(sizeof(*m) + strlen(e->d_name));
+ if (!m)
+ return cleanup(d, list, used);
+ *m = *e;
+ strcpy(m->d_name, e->d_name);
+
+ list[used] = m;
+ used++;
+ }
+
+ closedir(d);
+
+ if (list != NULL && cmp != NULL)
+ qsort(list, used, sizeof(list[0]), cmp);
+
+ *namelist = list;
+
+ return used;
+}
diff --git a/lib/compat/selinux.c b/lib/compat/selinux.c
new file mode 100644
index 0000000..dc651f5
--- /dev/null
+++ b/lib/compat/selinux.c
@@ -0,0 +1,92 @@
+/*
+ * libcompat - system compatibility library
+ *
+ * Based on code from libselinux, Public Domain.
+ * Copyright © 2014 Guillem Jover <guillem@debian.org>
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <string.h>
+#include <stdlib.h>
+
+/* We need to disarm the libselinux declaration to avoid a redundant
+ * declaration. */
+#if TEST_LIBCOMPAT
+#define setexecfilecon setexecfilecon_libselinux
+#endif
+#include <selinux/selinux.h>
+#include <selinux/context.h>
+#if TEST_LIBCOMPAT
+#undef setexecfilecon
+#endif
+
+#include "compat.h"
+
+int
+setexecfilecon(const char *filename, const char *fallback)
+{
+ int rc;
+ char *curcon = NULL, *newcon = NULL, *filecon = NULL;
+ security_class_t seclass;
+ context_t tmpcon = NULL;
+
+ if (is_selinux_enabled() < 1)
+ return 0;
+
+ rc = getcon(&curcon);
+ if (rc < 0)
+ goto out;
+
+ rc = getfilecon(filename, &filecon);
+ if (rc < 0)
+ goto out;
+
+ seclass = string_to_security_class("process");
+ if (seclass == 0)
+ goto out;
+
+ rc = security_compute_create(curcon, filecon, seclass, &newcon);
+ if (rc < 0)
+ goto out;
+
+ if (strcmp(curcon, newcon) == 0) {
+ /* No default transition, use fallback for now. */
+ rc = -1;
+ tmpcon = context_new(curcon);
+ if (tmpcon == NULL)
+ goto out;
+ if (context_type_set(tmpcon, fallback))
+ goto out;
+ freecon(newcon);
+ newcon = strdup(context_str(tmpcon));
+ if (newcon == NULL)
+ goto out;
+ }
+
+ rc = setexeccon(newcon);
+
+out:
+ if (rc < 0 && security_getenforce() == 0)
+ rc = 0;
+
+ context_free(tmpcon);
+ freecon(newcon);
+ freecon(curcon);
+ freecon(filecon);
+
+ return rc;
+}
diff --git a/lib/compat/snprintf.c b/lib/compat/snprintf.c
new file mode 100644
index 0000000..cf15442
--- /dev/null
+++ b/lib/compat/snprintf.c
@@ -0,0 +1,39 @@
+/*
+ * libcompat - system compatibility library
+ *
+ * Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <stddef.h>
+#include <stdarg.h>
+#include <stdio.h>
+
+#include "compat.h"
+
+int
+snprintf(char *str, size_t n, char const *fmt, ...)
+{
+ va_list args;
+ int i;
+
+ va_start(args, fmt);
+ i = vsnprintf(str, n, fmt, args);
+ va_end(args);
+
+ return i;
+}
diff --git a/lib/compat/strchrnul.c b/lib/compat/strchrnul.c
new file mode 100644
index 0000000..b072e1a
--- /dev/null
+++ b/lib/compat/strchrnul.c
@@ -0,0 +1,37 @@
+/*
+ * libcompat - system compatibility library
+ *
+ * Copyright © 2018 Guillem Jover <guillem@debian.org>
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <string.h>
+#include <stdlib.h>
+
+#include "compat.h"
+
+char *
+strchrnul(const char *s, int c)
+{
+ char *match;
+
+ match = strchr(s, c);
+ if (match)
+ return match;
+
+ return (char *)s + strlen(s);
+}
diff --git a/lib/compat/strerror.c b/lib/compat/strerror.c
new file mode 100644
index 0000000..e35ffc1
--- /dev/null
+++ b/lib/compat/strerror.c
@@ -0,0 +1,48 @@
+/*
+ * libcompat - system compatibility library
+ *
+ * Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <gettext.h>
+
+#include "compat.h"
+
+#define _(str) gettext(str)
+
+#if !HAVE_DECL_SYS_ERRLIST
+extern const char *const sys_errlist[];
+#endif
+#if !HAVE_DECL_SYS_NERR
+extern const int sys_nerr;
+#endif
+
+const char *
+strerror(int e)
+{
+ static char buf[100];
+
+ if (e >= 0 && e < sys_nerr)
+ return sys_errlist[e];
+
+ sprintf(buf, _("Unknown error %d"), e);
+
+ return buf;
+}
diff --git a/lib/compat/strndup.c b/lib/compat/strndup.c
new file mode 100644
index 0000000..788c013
--- /dev/null
+++ b/lib/compat/strndup.c
@@ -0,0 +1,42 @@
+/*
+ * libcompat - system compatibility library
+ *
+ * Copyright © 2011 Guillem Jover <guillem@debian.org>
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <string.h>
+#include <stdlib.h>
+
+#include "compat.h"
+
+char *
+strndup(const char *s, size_t n)
+{
+ size_t len;
+ char *str;
+
+ len = strnlen(s, n);
+ str = malloc(len + 1);
+ if (str == NULL)
+ return NULL;
+
+ memcpy(str, s, len);
+ str[len] = '\0';
+
+ return str;
+}
diff --git a/lib/compat/strnlen.c b/lib/compat/strnlen.c
new file mode 100644
index 0000000..d02bb4b
--- /dev/null
+++ b/lib/compat/strnlen.c
@@ -0,0 +1,33 @@
+/* Find the length of STRING, but scan at most MAXLEN characters.
+ Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+ Written by Simon Josefsson.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "compat.h"
+
+/* Find the length of STRING, but scan at most MAXLEN characters.
+ If no '\0' terminator is found in that many characters, return MAXLEN. */
+
+size_t
+strnlen (const char *string, size_t maxlen)
+{
+ const char *end = memchr (string, '\0', maxlen);
+ return end ? (size_t) (end - string) : maxlen;
+}
diff --git a/lib/compat/strsignal.c b/lib/compat/strsignal.c
new file mode 100644
index 0000000..66ed0c3
--- /dev/null
+++ b/lib/compat/strsignal.c
@@ -0,0 +1,76 @@
+/*
+ * libcompat - system compatibility library
+ *
+ * Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <signal.h>
+#include <string.h>
+#include <stdio.h>
+#include <gettext.h>
+
+#include "compat.h"
+
+#define _(str) gettext(str)
+
+#if !HAVE_DECL_SYS_SIGLIST
+const char *const sys_siglist[] = {
+ NULL, /* 0 */
+ "SIGHUP", /* 1 */
+ "SIGINT", /* 2 */
+ "SIGQUIT", /* 3 */
+ "SIGILL", /* 4 */
+ "SIGTRAP", /* 5 */
+ "SIGABRT", /* 6 */
+ "SIGEMT", /* 7 */
+ "SIGFPE", /* 8 */
+ "SIGKILL", /* 9 */
+ "SIGUSR1", /* 10 */
+ "SIGSEGV", /* 11 */
+ "SIGUSR2", /* 12 */
+ "SIGPIPE", /* 13 */
+ "SIGALRM", /* 14 */
+ "SIGTERM", /* 15 */
+ "SIGSTKFLT", /* 16 */
+ "SIGCHLD", /* 17 */
+ "SIGCONT", /* 18 */
+ "SIGSTOP", /* 19 */
+ "SIGTSTP", /* 20 */
+ "SIGTTIN", /* 21 */
+ "SIGTTOU", /* 22 */
+};
+# define COMPAT_NSIGLIST (int)(sizeof(sys_siglist) / sizeof(sys_siglist[0]))
+#else
+# ifndef NSIG
+# define NSIG 32
+# endif
+# define COMPAT_NSIGLIST NSIG
+#endif
+
+const char *
+strsignal(int s)
+{
+ static char buf[100];
+
+ if (s > 0 && s < COMPAT_NSIGLIST)
+ return sys_siglist[s];
+
+ sprintf(buf, _("Unknown signal %d"), s);
+
+ return buf;
+}
diff --git a/lib/compat/unsetenv.c b/lib/compat/unsetenv.c
new file mode 100644
index 0000000..4094ae3
--- /dev/null
+++ b/lib/compat/unsetenv.c
@@ -0,0 +1,39 @@
+/*
+ * libcompat - system compatibility library
+ *
+ * Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <string.h>
+#include <stdlib.h>
+
+#include "compat.h"
+
+int
+unsetenv(const char *p)
+{
+ char *q;
+
+ q = malloc(strlen(p) + 3);
+ if (!q)
+ return -1;
+
+ strcpy(q, p);
+ strcat(q, "=");
+ return putenv(q);
+}
diff --git a/lib/compat/vasprintf.c b/lib/compat/vasprintf.c
new file mode 100644
index 0000000..9d53a32
--- /dev/null
+++ b/lib/compat/vasprintf.c
@@ -0,0 +1,59 @@
+/*
+ * libcompat - system compatibility library
+ *
+ * Copyright © 2010 Guillem Jover <guillem@debian.org>
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "compat.h"
+
+int
+vasprintf(char **strp, char const *fmt, va_list args)
+{
+ va_list args_copy;
+ int needed, n;
+ char *str;
+
+ va_copy(args_copy, args);
+ needed = vsnprintf(NULL, 0, fmt, args_copy);
+ va_end(args_copy);
+
+ if (needed < 0) {
+ *strp = NULL;
+ return -1;
+ }
+
+ str = malloc(needed + 1);
+ if (str == NULL) {
+ *strp = NULL;
+ return -1;
+ }
+
+ n = vsnprintf(str, needed + 1, fmt, args);
+ if (n < 0) {
+ free(str);
+ str = NULL;
+ }
+
+ *strp = str;
+
+ return n;
+}
diff --git a/lib/compat/vsnprintf.c b/lib/compat/vsnprintf.c
new file mode 100644
index 0000000..5f709d9
--- /dev/null
+++ b/lib/compat/vsnprintf.c
@@ -0,0 +1,81 @@
+/*
+ * libcompat - system compatibility library
+ *
+ * Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ * Copyright © 2008-2012 Guillem Jover <guillem@debian.org>
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <sys/types.h>
+
+#include <unistd.h>
+#include <stdarg.h>
+#include <stdio.h>
+
+#include "compat.h"
+
+int
+vsnprintf(char *buf, size_t maxsize, const char *fmt, va_list args)
+{
+ static FILE *file = NULL;
+ static pid_t file_pid;
+
+ size_t want, nr;
+ int total;
+
+ if (maxsize != 0 && buf == NULL)
+ return -1;
+
+ /* Avoid race conditions from children after a fork(2). */
+ if (file_pid > 0 && file_pid != getpid()) {
+ fclose(file);
+ file = NULL;
+ }
+
+ if (!file) {
+ file = tmpfile();
+ if (!file)
+ return -1;
+ file_pid = getpid();
+ } else {
+ if (fseek(file, 0, 0))
+ return -1;
+ if (ftruncate(fileno(file), 0))
+ return -1;
+ }
+
+ total = vfprintf(file, fmt, args);
+ if (total < 0)
+ return -1;
+ if (maxsize == 0)
+ return total;
+ if (total >= (int)maxsize)
+ want = maxsize - 1;
+ else
+ want = total;
+ if (fflush(file))
+ return -1;
+ if (fseek(file, 0, SEEK_SET))
+ return -1;
+
+ nr = fread(buf, 1, want, file);
+ if (nr != want)
+ return -1;
+ buf[want] = '\0';
+
+ return total;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 02:38:34 +0000