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-rw-r--r--lib/glob/Makefile.in169
-rw-r--r--lib/glob/collsyms.h140
-rw-r--r--lib/glob/doc/Makefile5
-rw-r--r--lib/glob/doc/glob.texi1
-rw-r--r--lib/glob/glob.c1609
-rw-r--r--lib/glob/glob.h47
-rw-r--r--lib/glob/glob_loop.c84
-rw-r--r--lib/glob/gm_loop.c208
-rw-r--r--lib/glob/gmisc.c108
-rw-r--r--lib/glob/ndir.h50
-rw-r--r--lib/glob/sm_loop.c981
-rw-r--r--lib/glob/smatch.c638
-rw-r--r--lib/glob/strmatch.c79
-rw-r--r--lib/glob/strmatch.h65
-rw-r--r--lib/glob/xmbsrtowcs.c523
15 files changed, 4707 insertions, 0 deletions
diff --git a/lib/glob/Makefile.in b/lib/glob/Makefile.in
new file mode 100644
index 0000000..27e34f9
--- /dev/null
+++ b/lib/glob/Makefile.in
@@ -0,0 +1,169 @@
+## -*- text -*- ####################################################
+# #
+# Makefile for the GNU Glob Library. #
+# #
+####################################################################
+#
+# Copyright (C) 1996-2009 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 3 of the License, 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, see <http://www.gnu.org/licenses/>.
+
+srcdir = @srcdir@
+VPATH = @srcdir@
+topdir = @top_srcdir@
+BUILD_DIR = @BUILD_DIR@
+
+INSTALL = @INSTALL@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_DATA = @INSTALL_DATA@
+
+CC = @CC@
+RANLIB = @RANLIB@
+AR = @AR@
+ARFLAGS = @ARFLAGS@
+RM = rm -f
+CP = cp
+MV = mv
+
+SHELL = @MAKE_SHELL@
+
+PROFILE_FLAGS = @PROFILE_FLAGS@
+
+CFLAGS = @CFLAGS@
+LOCAL_CFLAGS = @LOCAL_CFLAGS@
+STYLE_CFLAGS = @STYLE_CFLAGS@
+CPPFLAGS = @CPPFLAGS@
+LDFLAGS = @LDFLAGS@ @LOCAL_LDFLAGS@
+
+DEFS = @DEFS@
+LOCAL_DEFS = @LOCAL_DEFS@
+
+BASHINCDIR = ${topdir}/include
+
+INCLUDES = -I. -I../.. -I$(topdir) -I$(BASHINCDIR) -I$(topdir)/lib
+
+CCFLAGS = $(PROFILE_FLAGS) $(DEFS) $(LOCAL_DEFS) ${INCLUDES} $(CPPFLAGS) \
+ $(STYLE_CFLAGS) $(LOCAL_CFLAGS) $(CFLAGS) ${ADDON_CFLAGS}
+
+# Here is a rule for making .o files from .c files that doesn't force
+# the type of the machine (like -sun3) into the flags.
+.c.o:
+ $(RM) $@
+ $(CC) -c $(CCFLAGS) $<
+
+# The name of the library target.
+LIBRARY_NAME = libglob.a
+
+# The C code source files for this library.
+CSOURCES = $(srcdir)/glob.c $(srcdir)/strmatch.c $(srcdir)/smatch.c \
+ $(srcdir)/xmbsrtowcs.c
+
+# The header files for this library.
+HSOURCES = $(srcdir)/strmatch.h
+
+OBJECTS = glob.o strmatch.o smatch.o xmbsrtowcs.o gmisc.o
+
+# The texinfo files which document this library.
+DOCSOURCE = doc/glob.texi
+DOCOBJECT = doc/glob.dvi
+DOCSUPPORT = doc/Makefile
+DOCUMENTATION = $(DOCSOURCE) $(DOCOBJECT) $(DOCSUPPORT)
+
+SUPPORT = Makefile ChangeLog $(DOCSUPPORT)
+
+SOURCES = $(CSOURCES) $(HSOURCES) $(DOCSOURCE)
+
+THINGS_TO_TAR = $(SOURCES) $(SUPPORT)
+
+######################################################################
+
+all: $(LIBRARY_NAME)
+
+$(LIBRARY_NAME): $(OBJECTS)
+ $(RM) -f $@
+ $(AR) $(ARFLAGS) $@ $(OBJECTS)
+ -test -n "$(RANLIB)" && $(RANLIB) $@
+
+what-tar:
+ @for file in $(THINGS_TO_TAR); do \
+ echo $(selfdir)$$file; \
+ done
+
+documentation: force
+ -(cd doc; $(MAKE) $(MFLAGS))
+force:
+
+# The rule for 'includes' is written funny so that the if statement
+# always returns TRUE unless there really was an error installing the
+# include files.
+install:
+
+clean:
+ rm -f $(OBJECTS) $(LIBRARY_NAME)
+ -(cd doc && $(MAKE) $(MFLAGS) $@ )
+
+realclean distclean maintainer-clean: clean
+ -( cd doc && $(MAKE) $(MFLAGS) $@ )
+ $(RM) -f Makefile
+
+mostlyclean: clean
+ -( cd doc && $(MAKE) $(MFLAGS) $@ )
+
+${BUILD_DIR}/pathnames.h: ${BUILD_DIR}/config.h ${BUILD_DIR}/Makefile Makefile
+ -( cd ${BUILD_DIR} && ${MAKE} ${MFLAGS} pathnames.h )
+
+######################################################################
+# #
+# Dependencies for the object files which make up this library. #
+# #
+######################################################################
+
+smatch.o: strmatch.h
+smatch.o: $(BUILD_DIR)/config.h
+smatch.o: $(BASHINCDIR)/chartypes.h
+smatch.o: $(BASHINCDIR)/ansi_stdlib.h $(topdir)/bashansi.h
+smatch.o: $(BASHINCDIR)/shmbutil.h
+smatch.o: $(topdir)/xmalloc.h
+
+strmatch.o: strmatch.h
+strmatch.o: $(BUILD_DIR)/config.h
+strmatch.o: $(BASHINCDIR)/stdc.h
+
+glob.o: $(BUILD_DIR)/config.h
+glob.o: $(topdir)/shell.h $(BUILD_DIR)/pathnames.h
+glob.o: $(topdir)/bashtypes.h $(BASHINCDIR)/ansi_stdlib.h $(topdir)/bashansi.h
+glob.o: $(BASHINCDIR)/posixstat.h $(BASHINCDIR)/memalloc.h
+glob.o: strmatch.h glob.h
+glob.o: $(BASHINCDIR)/shmbutil.h
+glob.o: $(topdir)/xmalloc.h
+
+gmisc.o: $(BUILD_DIR)/config.h
+gmisc.o: $(topdir)/bashtypes.h $(BASHINCDIR)/ansi_stdlib.h $(topdir)/bashansi.h
+gmisc.o: $(BASHINCDIR)/shmbutil.h
+
+xmbsrtowcs.o: ${BUILD_DIR}/config.h
+xmbsrtowcs.o: ${topdir}/bashansi.h ${BASHINCDIR}/ansi_stdlib.h
+xmbsrtowcs.o: ${BASHINCDIR}/shmbutil.h
+
+# Rules for deficient makes, like SunOS and Solaris
+glob.o: glob.c
+gmisc.o: gmisc.c
+strmatch.o: strmatch.c
+smatch.o: smatch.c
+xmbsrtowcs.o: xmbsrtowcs.c
+
+# dependencies for C files that include other C files
+glob.o: glob_loop.c
+gmisc.o: gm_loop.c
+smatch.o: sm_loop.c
diff --git a/lib/glob/collsyms.h b/lib/glob/collsyms.h
new file mode 100644
index 0000000..d56df61
--- /dev/null
+++ b/lib/glob/collsyms.h
@@ -0,0 +1,140 @@
+/* collsyms.h -- collating symbol names and their corresponding characters
+ (in ascii) as given by POSIX.2 in table 2.8. */
+
+/* Copyright (C) 1997-2002 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash 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 3 of the License, or
+ (at your option) any later version.
+
+ Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/* The upper-case letters, lower-case letters, and digits are omitted from
+ this table. The digits are not included in the table in the POSIX.2
+ spec. The upper and lower case letters are translated by the code
+ in smatch.c:collsym(). */
+
+typedef struct _COLLSYM {
+ XCHAR *name;
+ CHAR code;
+} __COLLSYM;
+
+static __COLLSYM POSIXCOLL [] =
+{
+ { L("NUL"), L('\0') },
+ { L("SOH"), L('\001') },
+ { L("STX"), L('\002') },
+ { L("ETX"), L('\003') },
+ { L("EOT"), L('\004') },
+ { L("ENQ"), L('\005') },
+ { L("ACK"), L('\006') },
+#ifdef __STDC__
+ { L("alert"), L('\a') },
+#else
+ { L("alert"), L('\007') },
+#endif
+ { L("BS"), L('\010') },
+ { L("backspace"), L('\b') },
+ { L("HT"), L('\011') },
+ { L("tab"), L('\t') },
+ { L("LF"), L('\012') },
+ { L("newline"), L('\n') },
+ { L("VT"), L('\013') },
+ { L("vertical-tab"), L('\v') },
+ { L("FF"), L('\014') },
+ { L("form-feed"), L('\f') },
+ { L("CR"), L('\015') },
+ { L("carriage-return"), L('\r') },
+ { L("SO"), L('\016') },
+ { L("SI"), L('\017') },
+ { L("DLE"), L('\020') },
+ { L("DC1"), L('\021') },
+ { L("DC2"), L('\022') },
+ { L("DC3"), L('\023') },
+ { L("DC4"), L('\024') },
+ { L("NAK"), L('\025') },
+ { L("SYN"), L('\026') },
+ { L("ETB"), L('\027') },
+ { L("CAN"), L('\030') },
+ { L("EM"), L('\031') },
+ { L("SUB"), L('\032') },
+ { L("ESC"), L('\033') },
+ { L("IS4"), L('\034') },
+ { L("FS"), L('\034') },
+ { L("IS3"), L('\035') },
+ { L("GS"), L('\035') },
+ { L("IS2"), L('\036') },
+ { L("RS"), L('\036') },
+ { L("IS1"), L('\037') },
+ { L("US"), L('\037') },
+ { L("space"), L(' ') },
+ { L("exclamation-mark"), L('!') },
+ { L("quotation-mark"), L('"') },
+ { L("number-sign"), L('#') },
+ { L("dollar-sign"), L('$') },
+ { L("percent-sign"), L('%') },
+ { L("ampersand"), L('&') },
+ { L("apostrophe"), L('\'') },
+ { L("left-parenthesis"), L('(') },
+ { L("right-parenthesis"), L(')') },
+ { L("asterisk"), L('*') },
+ { L("plus-sign"), L('+') },
+ { L("comma"), L(',') },
+ { L("hyphen"), L('-') },
+ { L("hyphen-minus"), L('-') },
+ { L("minus"), L('-') }, /* extension from POSIX.2 */
+ { L("dash"), L('-') }, /* extension from POSIX.2 */
+ { L("period"), L('.') },
+ { L("full-stop"), L('.') },
+ { L("slash"), L('/') },
+ { L("solidus"), L('/') }, /* extension from POSIX.2 */
+ { L("zero"), L('0') },
+ { L("one"), L('1') },
+ { L("two"), L('2') },
+ { L("three"), L('3') },
+ { L("four"), L('4') },
+ { L("five"), L('5') },
+ { L("six"), L('6') },
+ { L("seven"), L('7') },
+ { L("eight"), L('8') },
+ { L("nine"), L('9') },
+ { L("colon"), L(':') },
+ { L("semicolon"), L(';') },
+ { L("less-than-sign"), L('<') },
+ { L("equals-sign"), L('=') },
+ { L("greater-than-sign"), L('>') },
+ { L("question-mark"), L('?') },
+ { L("commercial-at"), L('@') },
+ /* upper-case letters omitted */
+ { L("left-square-bracket"), L('[') },
+ { L("backslash"), L('\\') },
+ { L("reverse-solidus"), L('\\') },
+ { L("right-square-bracket"), L(']') },
+ { L("circumflex"), L('^') },
+ { L("circumflex-accent"), L('^') }, /* extension from POSIX.2 */
+ { L("underscore"), L('_') },
+ { L("grave-accent"), L('`') },
+ /* lower-case letters omitted */
+ { L("left-brace"), L('{') }, /* extension from POSIX.2 */
+ { L("left-curly-bracket"), L('{') },
+ { L("vertical-line"), L('|') },
+ { L("right-brace"), L('}') }, /* extension from POSIX.2 */
+ { L("right-curly-bracket"), L('}') },
+ { L("tilde"), L('~') },
+ { L("DEL"), L('\177') },
+ { 0, 0 },
+};
+
+#undef _COLLSYM
+#undef __COLLSYM
+#undef POSIXCOLL
diff --git a/lib/glob/doc/Makefile b/lib/glob/doc/Makefile
new file mode 100644
index 0000000..8dca606
--- /dev/null
+++ b/lib/glob/doc/Makefile
@@ -0,0 +1,5 @@
+all:
+ cp glob.texi glob.info
+
+clean distclean mostlyclean maintainer-clean:
+ rm -f glob.?? glob.info
diff --git a/lib/glob/doc/glob.texi b/lib/glob/doc/glob.texi
new file mode 100644
index 0000000..0262ef1
--- /dev/null
+++ b/lib/glob/doc/glob.texi
@@ -0,0 +1 @@
+Nothing happens here.
diff --git a/lib/glob/glob.c b/lib/glob/glob.c
new file mode 100644
index 0000000..b66af85
--- /dev/null
+++ b/lib/glob/glob.c
@@ -0,0 +1,1609 @@
+/* glob.c -- file-name wildcard pattern matching for Bash.
+
+ Copyright (C) 1985-2021 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne-Again SHell.
+
+ Bash 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 3 of the License, or
+ (at your option) any later version.
+
+ Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/* To whomever it may concern: I have never seen the code which most
+ Unix programs use to perform this function. I wrote this from scratch
+ based on specifications for the pattern matching. --RMS. */
+
+#include <config.h>
+
+#if !defined (__GNUC__) && !defined (HAVE_ALLOCA_H) && defined (_AIX)
+ #pragma alloca
+#endif /* _AIX && RISC6000 && !__GNUC__ */
+
+#include "bashtypes.h"
+
+#if defined (HAVE_UNISTD_H)
+# include <unistd.h>
+#endif
+
+#include "bashansi.h"
+#include "posixdir.h"
+#include "posixstat.h"
+#include "shmbutil.h"
+#include "xmalloc.h"
+
+#include "filecntl.h"
+#if !defined (F_OK)
+# define F_OK 0
+#endif
+
+#include "stdc.h"
+#include "memalloc.h"
+
+#include <signal.h>
+
+#include "shell.h"
+#include "general.h"
+
+#include "glob.h"
+#include "strmatch.h"
+
+#if !defined (HAVE_BCOPY) && !defined (bcopy)
+# define bcopy(s, d, n) ((void) memcpy ((d), (s), (n)))
+#endif /* !HAVE_BCOPY && !bcopy */
+
+#if !defined (NULL)
+# if defined (__STDC__)
+# define NULL ((void *) 0)
+# else
+# define NULL 0x0
+# endif /* __STDC__ */
+#endif /* !NULL */
+
+#if !defined (FREE)
+# define FREE(x) if (x) free (x)
+#endif
+
+/* Don't try to alloca() more than this much memory for `struct globval'
+ in glob_vector() */
+#ifndef ALLOCA_MAX
+# define ALLOCA_MAX 100000
+#endif
+
+struct globval
+ {
+ struct globval *next;
+ char *name;
+ };
+
+extern void throw_to_top_level PARAMS((void));
+extern int sh_eaccess PARAMS((const char *, int));
+extern char *sh_makepath PARAMS((const char *, const char *, int));
+extern int signal_is_pending PARAMS((int));
+extern void run_pending_traps PARAMS((void));
+
+extern int extended_glob;
+
+/* Global variable which controls whether or not * matches .*.
+ Non-zero means don't match .*. */
+int noglob_dot_filenames = 1;
+
+/* Global variable which controls whether or not filename globbing
+ is done without regard to case. */
+int glob_ignore_case = 0;
+
+/* Global variable controlling whether globbing ever returns . or ..
+ regardless of the pattern. If set to 1, no glob pattern will ever
+ match `.' or `..'. Disabled by default. */
+int glob_always_skip_dot_and_dotdot = 1;
+
+/* Global variable to return to signify an error in globbing. */
+char *glob_error_return;
+
+static struct globval finddirs_error_return;
+
+/* Some forward declarations. */
+static int skipname PARAMS((char *, char *, int));
+#if HANDLE_MULTIBYTE
+static int mbskipname PARAMS((char *, char *, int));
+#endif
+void udequote_pathname PARAMS((char *));
+#if HANDLE_MULTIBYTE
+void wcdequote_pathname PARAMS((wchar_t *));
+static void wdequote_pathname PARAMS((char *));
+static void dequote_pathname PARAMS((char *));
+#else
+# define dequote_pathname(p) udequote_pathname(p)
+#endif
+static int glob_testdir PARAMS((char *, int));
+static char **glob_dir_to_array PARAMS((char *, char **, int));
+
+/* Make sure these names continue to agree with what's in smatch.c */
+extern char *glob_patscan PARAMS((char *, char *, int));
+extern wchar_t *glob_patscan_wc PARAMS((wchar_t *, wchar_t *, int));
+
+/* And this from gmisc.c/gm_loop.c */
+extern int wextglob_pattern_p PARAMS((wchar_t *));
+
+extern char *glob_dirscan PARAMS((char *, int));
+
+/* Compile `glob_loop.c' for single-byte characters. */
+#define GCHAR unsigned char
+#define CHAR char
+#define INT int
+#define L(CS) CS
+#define INTERNAL_GLOB_PATTERN_P internal_glob_pattern_p
+#include "glob_loop.c"
+
+/* Compile `glob_loop.c' again for multibyte characters. */
+#if HANDLE_MULTIBYTE
+
+#define GCHAR wchar_t
+#define CHAR wchar_t
+#define INT wint_t
+#define L(CS) L##CS
+#define INTERNAL_GLOB_PATTERN_P internal_glob_wpattern_p
+#include "glob_loop.c"
+
+#endif /* HANDLE_MULTIBYTE */
+
+/* And now a function that calls either the single-byte or multibyte version
+ of internal_glob_pattern_p. */
+int
+glob_pattern_p (pattern)
+ const char *pattern;
+{
+#if HANDLE_MULTIBYTE
+ size_t n;
+ wchar_t *wpattern;
+ int r;
+
+ if (MB_CUR_MAX == 1 || mbsmbchar (pattern) == 0)
+ return (internal_glob_pattern_p ((unsigned char *)pattern));
+
+ /* Convert strings to wide chars, and call the multibyte version. */
+ n = xdupmbstowcs (&wpattern, NULL, pattern);
+ if (n == (size_t)-1)
+ /* Oops. Invalid multibyte sequence. Try it as single-byte sequence. */
+ return (internal_glob_pattern_p ((unsigned char *)pattern));
+
+ r = internal_glob_wpattern_p (wpattern);
+ free (wpattern);
+
+ return r;
+#else
+ return (internal_glob_pattern_p ((unsigned char *)pattern));
+#endif
+}
+
+#if EXTENDED_GLOB
+
+#if defined (HANDLE_MULTIBYTE)
+# define XSKIPNAME(p, d, f) mbskipname(p, d, f)
+#else
+# define XSKIPNAME(p, d, f) skipname(p, d, f)
+#endif
+
+/* Return 1 if all subpatterns in the extended globbing pattern PAT indicate
+ that the name should be skipped. XXX - doesn't handle pattern negation,
+ not sure if it should */
+static int
+extglob_skipname (pat, dname, flags)
+ char *pat, *dname;
+ int flags;
+{
+ char *pp, *pe, *t, *se;
+ int n, r, negate, wild, nullpat, xflags;
+
+ negate = *pat == '!';
+ wild = *pat == '*' || *pat == '?';
+ pp = pat + 2;
+ se = pp + strlen (pp); /* end of pattern string */
+ pe = glob_patscan (pp, se, 0); /* end of extglob pattern */
+
+ /* if pe == 0, this is an invalid extglob pattern */
+ if (pe == 0)
+ return 0;
+
+ xflags = flags | ( negate ? GX_NEGATE : 0);
+
+ /* if pe != se we have more of the pattern at the end of the extglob
+ pattern. Check the easy case first ( */
+ if (pe == se && *pe == 0 && pe[-1] == ')' && (t = strchr (pp, '|')) == 0)
+ {
+ pe[-1] = '\0';
+ /* This is where we check whether the pattern is being negated and
+ match all files beginning with `.' if the pattern begins with a
+ literal `.'. */
+ r = XSKIPNAME (pp, dname, xflags); /*(*/
+ pe[-1] = ')';
+ return r;
+ }
+
+ /* Is the extglob pattern between the parens the null pattern? The null
+ pattern can match nothing, so should we check any remaining portion of
+ the pattern? */
+ nullpat = pe >= (pat + 2) && pe[-2] == '(' && pe[-1] == ')';
+
+ /* check every subpattern */
+ while (t = glob_patscan (pp, pe, '|'))
+ {
+ /* If T == PE and *T == 0 (&& PE[-1] == RPAREN), we have hit the end
+ of a pattern with no trailing characters. */
+ n = t[-1]; /* ( */
+ if (extglob_pattern_p (pp) && n == ')') /* nested extglob? */
+ t[-1] = n; /* no-op for now */
+ else
+ t[-1] = '\0';
+ r = XSKIPNAME (pp, dname, xflags);
+ t[-1] = n;
+ if (r == 0) /* if any pattern says not skip, we don't skip */
+ return r;
+ pp = t;
+ if (pp == pe)
+ break;
+ }
+
+ /* glob_patscan might find end of string */
+ if (pp == se)
+ return r;
+
+ /* but if it doesn't then we didn't match a leading dot */
+ if (wild && *pe) /* if we can match zero instances, check further */
+ return (XSKIPNAME (pe, dname, flags));
+
+ return 1;
+}
+#endif
+
+/* Return 1 if DNAME should be skipped according to PAT. Mostly concerned
+ with matching leading `.'. */
+static int
+skipname (pat, dname, flags)
+ char *pat;
+ char *dname;
+ int flags;
+{
+ int i;
+
+#if EXTENDED_GLOB
+ if (extglob_pattern_p (pat)) /* XXX */
+ return (extglob_skipname (pat, dname, flags));
+#endif
+
+ if (glob_always_skip_dot_and_dotdot && DOT_OR_DOTDOT (dname))
+ return 1;
+
+ /* If a leading dot need not be explicitly matched, and the pattern
+ doesn't start with a `.', don't match `.' or `..' */
+ if (noglob_dot_filenames == 0 && pat[0] != '.' &&
+ (pat[0] != '\\' || pat[1] != '.') &&
+ DOT_OR_DOTDOT (dname))
+ return 1;
+
+#if 0
+ /* This is where we check whether the pattern is being negated and
+ match all files beginning with `.' if the pattern begins with a
+ literal `.'. This is the negation of the next clause. */
+ else if ((flags & GX_NEGATE) && noglob_dot_filenames == 0 &&
+ dname[0] == '.' &&
+ (pat[0] == '.' || (pat[0] == '\\' && pat[1] == '.')))
+ return 0;
+#endif
+
+ /* If a dot must be explicitly matched, check to see if they do. */
+ else if (noglob_dot_filenames && dname[0] == '.' &&
+ pat[0] != '.' && (pat[0] != '\\' || pat[1] != '.'))
+ return 1;
+
+ return 0;
+}
+
+#if HANDLE_MULTIBYTE
+
+static int
+wskipname (pat, dname, flags)
+ wchar_t *pat, *dname;
+ int flags;
+{
+ int i;
+
+ if (glob_always_skip_dot_and_dotdot && WDOT_OR_DOTDOT (dname))
+ return 1;
+
+ /* If a leading dot need not be explicitly matched, and the
+ pattern doesn't start with a `.', don't match `.' or `..' */
+ if (noglob_dot_filenames == 0 && pat[0] != L'.' &&
+ (pat[0] != L'\\' || pat[1] != L'.') &&
+ WDOT_OR_DOTDOT (dname))
+ return 1;
+
+#if 0
+ /* This is where we check whether the pattern is being negated and
+ match all files beginning with `.' if the pattern begins with a
+ literal `.'. This is the negation of the next clause. */
+ else if ((flags & GX_NEGATE) && noglob_dot_filenames == 0 &&
+ dname[0] == L'.' &&
+ (pat[0] == L'.' || (pat[0] == L'\\' && pat[1] == L'.')))
+ return 0;
+#endif
+
+ /* If a leading dot must be explicitly matched, check to see if the
+ pattern and dirname both have one. */
+ else if (noglob_dot_filenames && dname[0] == L'.' &&
+ pat[0] != L'.' && (pat[0] != L'\\' || pat[1] != L'.'))
+ return 1;
+
+ return 0;
+}
+
+static int
+wextglob_skipname (pat, dname, flags)
+ wchar_t *pat, *dname;
+ int flags;
+{
+#if EXTENDED_GLOB
+ wchar_t *pp, *pe, *t, *se, n;
+ int r, negate, wild, nullpat, xflags;
+
+ negate = *pat == L'!';
+ wild = *pat == L'*' || *pat == L'?';
+ pp = pat + 2;
+ se = pp + wcslen (pp);
+ pe = glob_patscan_wc (pp, se, 0);
+
+ /* if pe == 0, this is an invalid extglob pattern */
+ if (pe == 0)
+ return 0;
+
+ xflags = flags | ( negate ? GX_NEGATE : 0);
+
+ /* if pe != se we have more of the pattern at the end of the extglob
+ pattern. Check the easy case first ( */
+ if (pe == se && *pe == L'\0' && pe[-1] == L')' && (t = wcschr (pp, L'|')) == 0)
+ {
+ pe[-1] = L'\0';
+ r = wskipname (pp, dname, xflags); /*(*/
+ pe[-1] = L')';
+ return r;
+ }
+
+ /* Is the extglob pattern between the parens the null pattern? The null
+ pattern can match nothing, so should we check any remaining portion of
+ the pattern? */
+ nullpat = pe >= (pat + 2) && pe[-2] == L'(' && pe[-1] == L')';
+
+ /* check every subpattern */
+ while (t = glob_patscan_wc (pp, pe, '|'))
+ {
+ n = t[-1]; /* ( */
+ if (wextglob_pattern_p (pp) && n == L')') /* nested extglob? */
+ t[-1] = n; /* no-op for now */
+ else
+ t[-1] = L'\0';
+ r = wskipname (pp, dname, xflags);
+ t[-1] = n;
+ if (r == 0)
+ return 0;
+ pp = t;
+ if (pp == pe)
+ break;
+ }
+
+ /* glob_patscan_wc might find end of string */
+ if (pp == se)
+ return r;
+
+ /* but if it doesn't then we didn't match a leading dot */
+ if (wild && *pe != L'\0')
+ return (wskipname (pe, dname, flags));
+
+ return 1;
+#else
+ return (wskipname (pat, dname, flags));
+#endif
+}
+
+/* Return 1 if DNAME should be skipped according to PAT. Handles multibyte
+ characters in PAT and DNAME. Mostly concerned with matching leading `.'. */
+static int
+mbskipname (pat, dname, flags)
+ char *pat, *dname;
+ int flags;
+{
+ int ret, ext;
+ wchar_t *pat_wc, *dn_wc;
+ size_t pat_n, dn_n;
+
+ if (mbsmbchar (dname) == 0 && mbsmbchar (pat) == 0)
+ return (skipname (pat, dname, flags));
+
+ ext = 0;
+#if EXTENDED_GLOB
+ ext = extglob_pattern_p (pat);
+#endif
+
+ pat_wc = dn_wc = (wchar_t *)NULL;
+
+ pat_n = xdupmbstowcs (&pat_wc, NULL, pat);
+ if (pat_n != (size_t)-1)
+ dn_n = xdupmbstowcs (&dn_wc, NULL, dname);
+
+ ret = 0;
+ if (pat_n != (size_t)-1 && dn_n !=(size_t)-1)
+ ret = ext ? wextglob_skipname (pat_wc, dn_wc, flags) : wskipname (pat_wc, dn_wc, flags);
+ else
+ ret = skipname (pat, dname, flags);
+
+ FREE (pat_wc);
+ FREE (dn_wc);
+
+ return ret;
+}
+#endif /* HANDLE_MULTIBYTE */
+
+/* Remove backslashes quoting characters in PATHNAME by modifying PATHNAME. */
+void
+udequote_pathname (pathname)
+ char *pathname;
+{
+ register int i, j;
+
+ for (i = j = 0; pathname && pathname[i]; )
+ {
+ if (pathname[i] == '\\')
+ i++;
+
+ pathname[j++] = pathname[i++];
+
+ if (pathname[i - 1] == 0)
+ break;
+ }
+ if (pathname)
+ pathname[j] = '\0';
+}
+
+#if HANDLE_MULTIBYTE
+/* Remove backslashes quoting characters in PATHNAME by modifying PATHNAME. */
+void
+wcdequote_pathname (wpathname)
+ wchar_t *wpathname;
+{
+ int i, j;
+
+ for (i = j = 0; wpathname && wpathname[i]; )
+ {
+ if (wpathname[i] == L'\\')
+ i++;
+
+ wpathname[j++] = wpathname[i++];
+
+ if (wpathname[i - 1] == L'\0')
+ break;
+ }
+ if (wpathname)
+ wpathname[j] = L'\0';
+}
+
+static void
+wdequote_pathname (pathname)
+ char *pathname;
+{
+ mbstate_t ps;
+ size_t len, n;
+ wchar_t *wpathname;
+ int i, j;
+ wchar_t *orig_wpathname;
+
+ if (mbsmbchar (pathname) == 0)
+ {
+ udequote_pathname (pathname);
+ return;
+ }
+
+ len = strlen (pathname);
+ /* Convert the strings into wide characters. */
+ n = xdupmbstowcs (&wpathname, NULL, pathname);
+ if (n == (size_t) -1)
+ {
+ /* Something wrong. Fall back to single-byte */
+ udequote_pathname (pathname);
+ return;
+ }
+ orig_wpathname = wpathname;
+
+ wcdequote_pathname (wpathname);
+
+ /* Convert the wide character string into unibyte character set. */
+ memset (&ps, '\0', sizeof(mbstate_t));
+ n = wcsrtombs(pathname, (const wchar_t **)&wpathname, len, &ps);
+ if (n == (size_t)-1 || (wpathname && *wpathname != 0)) /* what? now you tell me? */
+ {
+ wpathname = orig_wpathname;
+ memset (&ps, '\0', sizeof(mbstate_t));
+ n = xwcsrtombs (pathname, (const wchar_t **)&wpathname, len, &ps);
+ }
+ pathname[len] = '\0';
+
+ /* Can't just free wpathname here; wcsrtombs changes it in many cases. */
+ free (orig_wpathname);
+}
+
+static void
+dequote_pathname (pathname)
+ char *pathname;
+{
+ if (MB_CUR_MAX > 1)
+ wdequote_pathname (pathname);
+ else
+ udequote_pathname (pathname);
+}
+#endif /* HANDLE_MULTIBYTE */
+
+/* Test whether NAME exists. */
+
+#if defined (HAVE_LSTAT)
+# define GLOB_TESTNAME(name) (lstat (name, &finfo))
+#else /* !HAVE_LSTAT */
+# if !defined (AFS)
+# define GLOB_TESTNAME(name) (sh_eaccess (name, F_OK))
+# else /* AFS */
+# define GLOB_TESTNAME(name) (access (name, F_OK))
+# endif /* AFS */
+#endif /* !HAVE_LSTAT */
+
+/* Return 0 if DIR is a directory, -2 if DIR is a symlink, -1 otherwise. */
+static int
+glob_testdir (dir, flags)
+ char *dir;
+ int flags;
+{
+ struct stat finfo;
+ int r;
+
+/*itrace("glob_testdir: testing %s" flags = %d, dir, flags);*/
+#if defined (HAVE_LSTAT)
+ r = (flags & GX_ALLDIRS) ? lstat (dir, &finfo) : stat (dir, &finfo);
+#else
+ r = stat (dir, &finfo);
+#endif
+ if (r < 0)
+ return (-1);
+
+#if defined (S_ISLNK)
+ if (S_ISLNK (finfo.st_mode))
+ return (-2);
+#endif
+
+ if (S_ISDIR (finfo.st_mode) == 0)
+ return (-1);
+
+ return (0);
+}
+
+/* Recursively scan SDIR for directories matching PAT (PAT is always `**').
+ FLAGS is simply passed down to the recursive call to glob_vector. Returns
+ a list of matching directory names. EP, if non-null, is set to the last
+ element of the returned list. NP, if non-null, is set to the number of
+ directories in the returned list. These two variables exist for the
+ convenience of the caller (always glob_vector). */
+static struct globval *
+finddirs (pat, sdir, flags, ep, np)
+ char *pat;
+ char *sdir;
+ int flags;
+ struct globval **ep;
+ int *np;
+{
+ char **r, *n;
+ int ndirs;
+ struct globval *ret, *e, *g;
+
+/*itrace("finddirs: pat = `%s' sdir = `%s' flags = 0x%x", pat, sdir, flags);*/
+ e = ret = 0;
+ r = glob_vector (pat, sdir, flags);
+ if (r == 0 || r[0] == 0)
+ {
+ if (np)
+ *np = 0;
+ if (ep)
+ *ep = 0;
+ if (r && r != &glob_error_return)
+ free (r);
+ return (struct globval *)0;
+ }
+ for (ndirs = 0; r[ndirs] != 0; ndirs++)
+ {
+ g = (struct globval *) malloc (sizeof (struct globval));
+ if (g == 0)
+ {
+ while (ret) /* free list built so far */
+ {
+ g = ret->next;
+ free (ret);
+ ret = g;
+ }
+
+ free (r);
+ if (np)
+ *np = 0;
+ if (ep)
+ *ep = 0;
+ return (&finddirs_error_return);
+ }
+ if (e == 0)
+ e = g;
+
+ g->next = ret;
+ ret = g;
+
+ g->name = r[ndirs];
+ }
+
+ free (r);
+ if (ep)
+ *ep = e;
+ if (np)
+ *np = ndirs;
+
+ return ret;
+}
+
+/* Return a vector of names of files in directory DIR
+ whose names match glob pattern PAT.
+ The names are not in any particular order.
+ Wildcards at the beginning of PAT do not match an initial period.
+
+ The vector is terminated by an element that is a null pointer.
+
+ To free the space allocated, first free the vector's elements,
+ then free the vector.
+
+ Return 0 if cannot get enough memory to hold the pointer
+ and the names.
+
+ Return -1 if cannot access directory DIR.
+ Look in errno for more information. */
+
+char **
+glob_vector (pat, dir, flags)
+ char *pat;
+ char *dir;
+ int flags;
+{
+ DIR *d;
+ register struct dirent *dp;
+ struct globval *lastlink, *e, *dirlist;
+ register struct globval *nextlink;
+ register char *nextname, *npat, *subdir;
+ unsigned int count;
+ int lose, skip, ndirs, isdir, sdlen, add_current, patlen;
+ register char **name_vector;
+ register unsigned int i;
+ int mflags; /* Flags passed to strmatch (). */
+ int pflags; /* flags passed to sh_makepath () */
+ int hasglob; /* return value from glob_pattern_p */
+ int nalloca;
+ struct globval *firstmalloc, *tmplink;
+ char *convfn;
+
+ lastlink = 0;
+ count = lose = skip = add_current = 0;
+
+ firstmalloc = 0;
+ nalloca = 0;
+
+ name_vector = NULL;
+
+/*itrace("glob_vector: pat = `%s' dir = `%s' flags = 0x%x", pat, dir, flags);*/
+ /* If PAT is empty, skip the loop, but return one (empty) filename. */
+ if (pat == 0 || *pat == '\0')
+ {
+ if (glob_testdir (dir, 0) < 0)
+ return ((char **) &glob_error_return);
+
+ nextlink = (struct globval *)alloca (sizeof (struct globval));
+ if (nextlink == NULL)
+ return ((char **) NULL);
+
+ nextlink->next = (struct globval *)0;
+ nextname = (char *) malloc (1);
+ if (nextname == 0)
+ lose = 1;
+ else
+ {
+ lastlink = nextlink;
+ nextlink->name = nextname;
+ nextname[0] = '\0';
+ count = 1;
+ }
+
+ skip = 1;
+ }
+
+ patlen = (pat && *pat) ? strlen (pat) : 0;
+
+ /* If the filename pattern (PAT) does not contain any globbing characters,
+ or contains a pattern with only backslash escapes (hasglob == 2),
+ we can dispense with reading the directory, and just see if there is
+ a filename `DIR/PAT'. If there is, and we can access it, just make the
+ vector to return and bail immediately. */
+ hasglob = 0;
+ if (skip == 0 && ((hasglob = glob_pattern_p (pat)) == 0 || hasglob == 2))
+ {
+ int dirlen;
+ struct stat finfo;
+
+ if (glob_testdir (dir, 0) < 0)
+ return ((char **) &glob_error_return);
+
+ dirlen = strlen (dir);
+ nextname = (char *)malloc (dirlen + patlen + 2);
+ npat = (char *)malloc (patlen + 1);
+ if (nextname == 0 || npat == 0)
+ {
+ FREE (nextname);
+ FREE (npat);
+ lose = 1;
+ }
+ else
+ {
+ strcpy (npat, pat);
+ dequote_pathname (npat);
+
+ strcpy (nextname, dir);
+ nextname[dirlen++] = '/';
+ strcpy (nextname + dirlen, npat);
+
+ if (GLOB_TESTNAME (nextname) >= 0)
+ {
+ free (nextname);
+ nextlink = (struct globval *)alloca (sizeof (struct globval));
+ if (nextlink)
+ {
+ nextlink->next = (struct globval *)0;
+ lastlink = nextlink;
+ nextlink->name = npat;
+ count = 1;
+ }
+ else
+ {
+ free (npat);
+ lose = 1;
+ }
+ }
+ else
+ {
+ free (nextname);
+ free (npat);
+ }
+ }
+
+ skip = 1;
+ }
+
+ if (skip == 0)
+ {
+ /* Open the directory, punting immediately if we cannot. If opendir
+ is not robust (i.e., it opens non-directories successfully), test
+ that DIR is a directory and punt if it's not. */
+#if defined (OPENDIR_NOT_ROBUST)
+ if (glob_testdir (dir, 0) < 0)
+ return ((char **) &glob_error_return);
+#endif
+
+ d = opendir (dir);
+ if (d == NULL)
+ return ((char **) &glob_error_return);
+
+ /* Compute the flags that will be passed to strmatch(). We don't
+ need to do this every time through the loop. */
+ mflags = (noglob_dot_filenames ? FNM_PERIOD : FNM_DOTDOT) | FNM_PATHNAME;
+
+#ifdef FNM_CASEFOLD
+ if (glob_ignore_case)
+ mflags |= FNM_CASEFOLD;
+#endif
+
+ if (extended_glob)
+ mflags |= FNM_EXTMATCH;
+
+ add_current = ((flags & (GX_ALLDIRS|GX_ADDCURDIR)) == (GX_ALLDIRS|GX_ADDCURDIR));
+
+ /* Scan the directory, finding all names that match For each name that matches, allocate a struct globval
+ on the stack and store the name in it.
+ Chain those structs together; lastlink is the front of the chain. */
+ while (1)
+ {
+ /* Make globbing interruptible in the shell. */
+ if (interrupt_state || terminating_signal)
+ {
+ lose = 1;
+ break;
+ }
+ else if (signal_is_pending (SIGINT)) /* XXX - make SIGINT traps responsive */
+ {
+ lose = 1;
+ break;
+ }
+
+ dp = readdir (d);
+ if (dp == NULL)
+ break;
+
+ /* If this directory entry is not to be used, try again. */
+ if (REAL_DIR_ENTRY (dp) == 0)
+ continue;
+
+#if 0
+ if (dp->d_name == 0 || *dp->d_name == 0)
+ continue;
+#endif
+
+#if HANDLE_MULTIBYTE
+ if (MB_CUR_MAX > 1 && mbskipname (pat, dp->d_name, flags))
+ continue;
+ else
+#endif
+ if (skipname (pat, dp->d_name, flags))
+ continue;
+
+ /* If we're only interested in directories, don't bother with files */
+ if (flags & (GX_MATCHDIRS|GX_ALLDIRS))
+ {
+ pflags = (flags & GX_ALLDIRS) ? MP_RMDOT : 0;
+ if (flags & GX_NULLDIR)
+ pflags |= MP_IGNDOT;
+ subdir = sh_makepath (dir, dp->d_name, pflags);
+ isdir = glob_testdir (subdir, flags);
+ if (isdir < 0 && (flags & GX_MATCHDIRS))
+ {
+ free (subdir);
+ continue;
+ }
+ }
+
+ if (flags & GX_ALLDIRS)
+ {
+ if (isdir == 0)
+ {
+ dirlist = finddirs (pat, subdir, (flags & ~GX_ADDCURDIR), &e, &ndirs);
+ if (dirlist == &finddirs_error_return)
+ {
+ free (subdir);
+ lose = 1;
+ break;
+ }
+ if (ndirs) /* add recursive directories to list */
+ {
+ if (firstmalloc == 0)
+ firstmalloc = e;
+ e->next = lastlink;
+ lastlink = dirlist;
+ count += ndirs;
+ }
+ }
+
+ /* XXX - should we even add this if it's not a directory? */
+ nextlink = (struct globval *) malloc (sizeof (struct globval));
+ if (firstmalloc == 0)
+ firstmalloc = nextlink;
+ sdlen = strlen (subdir);
+ nextname = (char *) malloc (sdlen + 1);
+ if (nextlink == 0 || nextname == 0)
+ {
+ if (firstmalloc && firstmalloc == nextlink)
+ firstmalloc = 0;
+ /* If we reset FIRSTMALLOC we can free this here. */
+ FREE (nextlink);
+ FREE (nextname);
+ free (subdir);
+ lose = 1;
+ break;
+ }
+ nextlink->next = lastlink;
+ lastlink = nextlink;
+ nextlink->name = nextname;
+ bcopy (subdir, nextname, sdlen + 1);
+ free (subdir);
+ ++count;
+ continue;
+ }
+ else if (flags & GX_MATCHDIRS)
+ free (subdir);
+
+ convfn = fnx_fromfs (dp->d_name, D_NAMLEN (dp));
+ if (strmatch (pat, convfn, mflags) != FNM_NOMATCH)
+ {
+ if (nalloca < ALLOCA_MAX)
+ {
+ nextlink = (struct globval *) alloca (sizeof (struct globval));
+ nalloca += sizeof (struct globval);
+ }
+ else
+ {
+ nextlink = (struct globval *) malloc (sizeof (struct globval));
+ if (firstmalloc == 0)
+ firstmalloc = nextlink;
+ }
+
+ nextname = (char *) malloc (D_NAMLEN (dp) + 1);
+ if (nextlink == 0 || nextname == 0)
+ {
+ /* We free NEXTLINK here, since it won't be added to the
+ LASTLINK chain. If we used malloc, and it returned non-
+ NULL, firstmalloc will be set to something valid. If it's
+ NEXTLINK, reset it before we free NEXTLINK to avoid
+ duplicate frees. If not, it will be taken care of by the
+ loop below with TMPLINK. */
+ if (firstmalloc)
+ {
+ if (firstmalloc == nextlink)
+ firstmalloc = 0;
+ FREE (nextlink);
+ }
+ FREE (nextname);
+ lose = 1;
+ break;
+ }
+ nextlink->next = lastlink;
+ lastlink = nextlink;
+ nextlink->name = nextname;
+ bcopy (dp->d_name, nextname, D_NAMLEN (dp) + 1);
+ ++count;
+ }
+ }
+
+ (void) closedir (d);
+ }
+
+ /* compat: if GX_ADDCURDIR, add the passed directory also. Add an empty
+ directory name as a placeholder if GX_NULLDIR (in which case the passed
+ directory name is "."). */
+ if (add_current && lose == 0)
+ {
+ sdlen = strlen (dir);
+ nextname = (char *)malloc (sdlen + 1);
+ nextlink = (struct globval *) malloc (sizeof (struct globval));
+ if (nextlink == 0 || nextname == 0)
+ {
+ FREE (nextlink);
+ FREE (nextname);
+ lose = 1;
+ }
+ else
+ {
+ nextlink->name = nextname;
+ nextlink->next = lastlink;
+ lastlink = nextlink;
+ if (flags & GX_NULLDIR)
+ nextname[0] = '\0';
+ else
+ bcopy (dir, nextname, sdlen + 1);
+ ++count;
+ }
+ }
+
+ if (lose == 0)
+ {
+ name_vector = (char **) malloc ((count + 1) * sizeof (char *));
+ lose |= name_vector == NULL;
+ }
+
+ /* Have we run out of memory or been interrupted? */
+ if (lose)
+ {
+ tmplink = 0;
+
+ /* Here free the strings we have got. */
+ while (lastlink)
+ {
+ /* Since we build the list in reverse order, the first N entries
+ will be allocated with malloc, if firstmalloc is set, from
+ lastlink to firstmalloc. */
+ if (firstmalloc)
+ {
+ if (lastlink == firstmalloc)
+ firstmalloc = 0;
+ tmplink = lastlink;
+ }
+ else
+ tmplink = 0;
+ free (lastlink->name);
+ lastlink = lastlink->next;
+ FREE (tmplink);
+ }
+
+ /* Don't call QUIT; here; let higher layers deal with it. */
+
+ return ((char **)NULL);
+ }
+
+ /* Copy the name pointers from the linked list into the vector. */
+ for (tmplink = lastlink, i = 0; i < count; ++i)
+ {
+ name_vector[i] = tmplink->name;
+ tmplink = tmplink->next;
+ }
+
+ name_vector[count] = NULL;
+
+ /* If we allocated some of the struct globvals, free them now. */
+ if (firstmalloc)
+ {
+ tmplink = 0;
+ while (lastlink)
+ {
+ tmplink = lastlink;
+ if (lastlink == firstmalloc)
+ lastlink = firstmalloc = 0;
+ else
+ lastlink = lastlink->next;
+ free (tmplink);
+ }
+ }
+
+ return (name_vector);
+}
+
+/* Return a new array which is the concatenation of each string in ARRAY
+ to DIR. This function expects you to pass in an allocated ARRAY, and
+ it takes care of free()ing that array. Thus, you might think of this
+ function as side-effecting ARRAY. This should handle GX_MARKDIRS. */
+static char **
+glob_dir_to_array (dir, array, flags)
+ char *dir, **array;
+ int flags;
+{
+ register unsigned int i, l;
+ int add_slash;
+ char **result, *new;
+ struct stat sb;
+
+ l = strlen (dir);
+ if (l == 0)
+ {
+ if (flags & GX_MARKDIRS)
+ for (i = 0; array[i]; i++)
+ {
+ if ((stat (array[i], &sb) == 0) && S_ISDIR (sb.st_mode))
+ {
+ l = strlen (array[i]);
+ new = (char *)realloc (array[i], l + 2);
+ if (new == 0)
+ return NULL;
+ new[l] = '/';
+ new[l+1] = '\0';
+ array[i] = new;
+ }
+ }
+ return (array);
+ }
+
+ add_slash = dir[l - 1] != '/';
+
+ i = 0;
+ while (array[i] != NULL)
+ ++i;
+
+ result = (char **) malloc ((i + 1) * sizeof (char *));
+ if (result == NULL)
+ return (NULL);
+
+ for (i = 0; array[i] != NULL; i++)
+ {
+ /* 3 == 1 for NUL, 1 for slash at end of DIR, 1 for GX_MARKDIRS */
+ result[i] = (char *) malloc (l + strlen (array[i]) + 3);
+
+ if (result[i] == NULL)
+ {
+ int ind;
+ for (ind = 0; ind < i; ind++)
+ free (result[ind]);
+ free (result);
+ return (NULL);
+ }
+
+ strcpy (result[i], dir);
+ if (add_slash)
+ result[i][l] = '/';
+ if (array[i][0])
+ {
+ strcpy (result[i] + l + add_slash, array[i]);
+ if (flags & GX_MARKDIRS)
+ {
+ if ((stat (result[i], &sb) == 0) && S_ISDIR (sb.st_mode))
+ {
+ size_t rlen;
+ rlen = strlen (result[i]);
+ result[i][rlen] = '/';
+ result[i][rlen+1] = '\0';
+ }
+ }
+ }
+ else
+ result[i][l+add_slash] = '\0';
+ }
+ result[i] = NULL;
+
+ /* Free the input array. */
+ for (i = 0; array[i] != NULL; i++)
+ free (array[i]);
+ free ((char *) array);
+
+ return (result);
+}
+
+/* Do globbing on PATHNAME. Return an array of pathnames that match,
+ marking the end of the array with a null-pointer as an element.
+ If no pathnames match, then the array is empty (first element is null).
+ If there isn't enough memory, then return NULL.
+ If a file system error occurs, return -1; `errno' has the error code. */
+char **
+glob_filename (pathname, flags)
+ char *pathname;
+ int flags;
+{
+ char **result, **new_result;
+ unsigned int result_size;
+ char *directory_name, *filename, *dname, *fn;
+ unsigned int directory_len;
+ int free_dirname; /* flag */
+ int dflags, hasglob;
+
+ result = (char **) malloc (sizeof (char *));
+ result_size = 1;
+ if (result == NULL)
+ return (NULL);
+
+ result[0] = NULL;
+
+ directory_name = NULL;
+
+ /* Find the filename. */
+ filename = strrchr (pathname, '/');
+#if defined (EXTENDED_GLOB)
+ if (filename && extended_glob)
+ {
+ fn = glob_dirscan (pathname, '/');
+#if DEBUG_MATCHING
+ if (fn != filename)
+ fprintf (stderr, "glob_filename: glob_dirscan: fn (%s) != filename (%s)\n", fn ? fn : "(null)", filename);
+#endif
+ filename = fn;
+ }
+#endif
+
+ if (filename == NULL)
+ {
+ filename = pathname;
+ directory_name = "";
+ directory_len = 0;
+ free_dirname = 0;
+ }
+ else
+ {
+ directory_len = (filename - pathname) + 1;
+ directory_name = (char *) malloc (directory_len + 1);
+
+ if (directory_name == 0) /* allocation failed? */
+ {
+ free (result);
+ return (NULL);
+ }
+
+ bcopy (pathname, directory_name, directory_len);
+ directory_name[directory_len] = '\0';
+ ++filename;
+ free_dirname = 1;
+ }
+
+ hasglob = 0;
+ /* If directory_name contains globbing characters, then we
+ have to expand the previous levels. Just recurse.
+ If glob_pattern_p returns != [0,1] we have a pattern that has backslash
+ quotes but no unquoted glob pattern characters. We dequote it below. */
+ if (directory_len > 0 && (hasglob = glob_pattern_p (directory_name)) == 1)
+ {
+ char **directories, *d, *p;
+ register unsigned int i;
+ int all_starstar, last_starstar;
+
+ all_starstar = last_starstar = 0;
+ d = directory_name;
+ dflags = flags & ~GX_MARKDIRS;
+ /* Collapse a sequence of ** patterns separated by one or more slashes
+ to a single ** terminated by a slash or NUL */
+ if ((flags & GX_GLOBSTAR) && d[0] == '*' && d[1] == '*' && (d[2] == '/' || d[2] == '\0'))
+ {
+ p = d;
+ while (d[0] == '*' && d[1] == '*' && (d[2] == '/' || d[2] == '\0'))
+ {
+ p = d;
+ if (d[2])
+ {
+ d += 3;
+ while (*d == '/')
+ d++;
+ if (*d == 0)
+ break;
+ }
+ }
+ if (*d == 0)
+ all_starstar = 1;
+ d = p;
+ dflags |= GX_ALLDIRS|GX_ADDCURDIR;
+ directory_len = strlen (d);
+ }
+
+ /* If there is a non [star][star]/ component in directory_name, we
+ still need to collapse trailing sequences of [star][star]/ into
+ a single one and note that the directory name ends with [star][star],
+ so we can compensate if filename is [star][star] */
+ if ((flags & GX_GLOBSTAR) && all_starstar == 0)
+ {
+ int dl, prev;
+ prev = dl = directory_len;
+ while (dl >= 4 && d[dl - 1] == '/' &&
+ d[dl - 2] == '*' &&
+ d[dl - 3] == '*' &&
+ d[dl - 4] == '/')
+ prev = dl, dl -= 3;
+ if (dl != directory_len)
+ last_starstar = 1;
+ directory_len = prev;
+ }
+
+ /* If the directory name ends in [star][star]/ but the filename is
+ [star][star], just remove the final [star][star] from the directory
+ so we don't have to scan everything twice. */
+ if (last_starstar && directory_len > 4 &&
+ filename[0] == '*' && filename[1] == '*' && filename[2] == 0)
+ {
+ directory_len -= 3;
+ }
+
+ if (d[directory_len - 1] == '/')
+ d[directory_len - 1] = '\0';
+
+ directories = glob_filename (d, dflags|GX_RECURSE);
+
+ if (free_dirname)
+ {
+ free (directory_name);
+ directory_name = NULL;
+ }
+
+ if (directories == NULL)
+ goto memory_error;
+ else if (directories == (char **)&glob_error_return)
+ {
+ free ((char *) result);
+ return ((char **) &glob_error_return);
+ }
+ else if (*directories == NULL)
+ {
+ free ((char *) directories);
+ free ((char *) result);
+ return ((char **) &glob_error_return);
+ }
+
+ /* If we have something like [star][star]/[star][star], it's no use to
+ glob **, then do it again, and throw half the results away. */
+ if (all_starstar && filename[0] == '*' && filename[1] == '*' && filename[2] == 0)
+ {
+ free ((char *) directories);
+ free (directory_name);
+ directory_name = NULL;
+ directory_len = 0;
+ goto only_filename;
+ }
+
+ /* We have successfully globbed the preceding directory name.
+ For each name in DIRECTORIES, call glob_vector on it and
+ FILENAME. Concatenate the results together. */
+ for (i = 0; directories[i] != NULL; ++i)
+ {
+ char **temp_results;
+ int shouldbreak;
+
+ shouldbreak = 0;
+ /* XXX -- we've recursively scanned any directories resulting from
+ a `**', so turn off the flag. We turn it on again below if
+ filename is `**' */
+ /* Scan directory even on a NULL filename. That way, `*h/'
+ returns only directories ending in `h', instead of all
+ files ending in `h' with a `/' appended. */
+ dname = directories[i];
+ dflags = flags & ~(GX_MARKDIRS|GX_ALLDIRS|GX_ADDCURDIR);
+ /* last_starstar? */
+ if ((flags & GX_GLOBSTAR) && filename[0] == '*' && filename[1] == '*' && filename[2] == '\0')
+ dflags |= GX_ALLDIRS|GX_ADDCURDIR;
+ if (dname[0] == '\0' && filename[0])
+ {
+ dflags |= GX_NULLDIR;
+ dname = "."; /* treat null directory name and non-null filename as current directory */
+ }
+
+ /* Special handling for symlinks to directories with globstar on */
+ if (all_starstar && (dflags & GX_NULLDIR) == 0)
+ {
+ int dlen;
+
+ /* If we have a directory name that is not null (GX_NULLDIR above)
+ and is a symlink to a directory, we return the symlink if
+ we're not `descending' into it (filename[0] == 0) and return
+ glob_error_return (which causes the code below to skip the
+ name) otherwise. I should fold this into a test that does both
+ checks instead of calling stat twice. */
+ if (glob_testdir (dname, flags|GX_ALLDIRS) == -2 && glob_testdir (dname, 0) == 0)
+ {
+ if (filename[0] != 0)
+ temp_results = (char **)&glob_error_return; /* skip */
+ else
+ {
+ /* Construct array to pass to glob_dir_to_array */
+ temp_results = (char **)malloc (2 * sizeof (char *));
+ if (temp_results == NULL)
+ goto memory_error;
+ temp_results[0] = (char *)malloc (1);
+ if (temp_results[0] == 0)
+ {
+ free (temp_results);
+ goto memory_error;
+ }
+ **temp_results = '\0';
+ temp_results[1] = NULL;
+ dflags |= GX_SYMLINK; /* mostly for debugging */
+ }
+ }
+ else
+ temp_results = glob_vector (filename, dname, dflags);
+ }
+ else
+ temp_results = glob_vector (filename, dname, dflags);
+
+ /* Handle error cases. */
+ if (temp_results == NULL)
+ goto memory_error;
+ else if (temp_results == (char **)&glob_error_return)
+ /* This filename is probably not a directory. Ignore it. */
+ ;
+ else
+ {
+ char **array;
+ register unsigned int l;
+
+ /* If we're expanding **, we don't need to glue the directory
+ name to the results; we've already done it in glob_vector */
+ if ((dflags & GX_ALLDIRS) && filename[0] == '*' && filename[1] == '*' && (filename[2] == '\0' || filename[2] == '/'))
+ {
+ /* When do we remove null elements from temp_results? And
+ how to avoid duplicate elements in the final result? */
+ /* If (dflags & GX_NULLDIR) glob_filename potentially left a
+ NULL placeholder in the temp results just in case
+ glob_vector/glob_dir_to_array did something with it, but
+ if it didn't, and we're not supposed to be passing them
+ through for some reason ((flags & GX_NULLDIR) == 0) we
+ need to remove all the NULL elements from the beginning
+ of TEMP_RESULTS. */
+ /* If we have a null directory name and ** as the filename,
+ we have just searched for everything from the current
+ directory on down. Break now (shouldbreak = 1) to avoid
+ duplicate entries in the final result. */
+#define NULL_PLACEHOLDER(x) ((x) && *(x) && **(x) == 0)
+ if ((dflags & GX_NULLDIR) && (flags & GX_NULLDIR) == 0 &&
+ NULL_PLACEHOLDER (temp_results))
+#undef NULL_PLACEHOLDER
+ {
+ register int i, n;
+ for (n = 0; temp_results[n] && *temp_results[n] == 0; n++)
+ ;
+ i = n;
+ do
+ temp_results[i - n] = temp_results[i];
+ while (temp_results[i++] != 0);
+ array = temp_results;
+ shouldbreak = 1;
+ }
+ else
+ array = temp_results;
+ }
+ else if (dflags & GX_SYMLINK)
+ array = glob_dir_to_array (directories[i], temp_results, flags);
+ else
+ array = glob_dir_to_array (directories[i], temp_results, flags);
+ l = 0;
+ while (array[l] != NULL)
+ ++l;
+
+ new_result = (char **)realloc (result, (result_size + l) * sizeof (char *));
+
+ if (new_result == NULL)
+ {
+ for (l = 0; array[l]; ++l)
+ free (array[l]);
+ free ((char *)array);
+ goto memory_error;
+ }
+ result = new_result;
+
+ for (l = 0; array[l] != NULL; ++l)
+ result[result_size++ - 1] = array[l];
+
+ result[result_size - 1] = NULL;
+
+ /* Note that the elements of ARRAY are not freed. */
+ if (array != temp_results)
+ free ((char *) array);
+ else if ((dflags & GX_ALLDIRS) && filename[0] == '*' && filename[1] == '*' && filename[2] == '\0')
+ free (temp_results); /* expanding ** case above */
+
+ if (shouldbreak)
+ break;
+ }
+ }
+ /* Free the directories. */
+ for (i = 0; directories[i]; i++)
+ free (directories[i]);
+
+ free ((char *) directories);
+
+ return (result);
+ }
+
+only_filename:
+ /* If there is only a directory name, return it. */
+ if (*filename == '\0')
+ {
+ result = (char **) realloc ((char *) result, 2 * sizeof (char *));
+ if (result == NULL)
+ {
+ if (free_dirname)
+ free (directory_name);
+ return (NULL);
+ }
+ /* If we have a directory name with quoted characters, and we are
+ being called recursively to glob the directory portion of a pathname,
+ we need to dequote the directory name before returning it so the
+ caller can read the directory */
+ if (directory_len > 0 && hasglob == 2 && (flags & GX_RECURSE) != 0)
+ {
+ dequote_pathname (directory_name);
+ directory_len = strlen (directory_name);
+ }
+
+ /* We could check whether or not the dequoted directory_name is a
+ directory and return it here, returning the original directory_name
+ if not, but we don't do that. We do return the dequoted directory
+ name if we're not being called recursively and the dequoted name
+ corresponds to an actual directory. For better backwards compatibility,
+ we can return &glob_error_return unconditionally in this case. */
+
+ if (directory_len > 0 && hasglob == 2 && (flags & GX_RECURSE) == 0)
+ {
+ dequote_pathname (directory_name);
+ if (glob_testdir (directory_name, 0) < 0)
+ {
+ if (free_dirname)
+ free (directory_name);
+ free ((char *) result);
+ return ((char **)&glob_error_return);
+ }
+ }
+
+ /* Handle GX_MARKDIRS here. */
+ result[0] = (char *) malloc (directory_len + 1);
+ if (result[0] == NULL)
+ goto memory_error;
+ bcopy (directory_name, result[0], directory_len + 1);
+ if (free_dirname)
+ free (directory_name);
+ result[1] = NULL;
+ return (result);
+ }
+ else
+ {
+ char **temp_results;
+
+ /* There are no unquoted globbing characters in DIRECTORY_NAME.
+ Dequote it before we try to open the directory since there may
+ be quoted globbing characters which should be treated verbatim. */
+ if (directory_len > 0)
+ dequote_pathname (directory_name);
+
+ /* We allocated a small array called RESULT, which we won't be using.
+ Free that memory now. */
+ free (result);
+
+ /* Just return what glob_vector () returns appended to the
+ directory name. */
+ /* If flags & GX_ALLDIRS, we're called recursively */
+ dflags = flags & ~GX_MARKDIRS;
+ if (directory_len == 0)
+ dflags |= GX_NULLDIR;
+ if ((flags & GX_GLOBSTAR) && filename[0] == '*' && filename[1] == '*' && filename[2] == '\0')
+ {
+ dflags |= GX_ALLDIRS|GX_ADDCURDIR;
+#if 0
+ /* If we want all directories (dflags & GX_ALLDIRS) and we're not
+ being called recursively as something like `echo [star][star]/[star].o'
+ ((flags & GX_ALLDIRS) == 0), we want to prevent glob_vector from
+ adding a null directory name to the front of the temp_results
+ array. We turn off ADDCURDIR if not called recursively and
+ dlen == 0 */
+#endif
+ if (directory_len == 0 && (flags & GX_ALLDIRS) == 0)
+ dflags &= ~GX_ADDCURDIR;
+ }
+ temp_results = glob_vector (filename,
+ (directory_len == 0 ? "." : directory_name),
+ dflags);
+
+ if (temp_results == NULL || temp_results == (char **)&glob_error_return)
+ {
+ if (free_dirname)
+ free (directory_name);
+ QUIT; /* XXX - shell */
+ run_pending_traps ();
+ return (temp_results);
+ }
+
+ result = glob_dir_to_array ((dflags & GX_ALLDIRS) ? "" : directory_name, temp_results, flags);
+
+ if (free_dirname)
+ free (directory_name);
+ return (result);
+ }
+
+ /* We get to memory_error if the program has run out of memory, or
+ if this is the shell, and we have been interrupted. */
+ memory_error:
+ if (result != NULL)
+ {
+ register unsigned int i;
+ for (i = 0; result[i] != NULL; ++i)
+ free (result[i]);
+ free ((char *) result);
+ }
+
+ if (free_dirname && directory_name)
+ free (directory_name);
+
+ QUIT;
+ run_pending_traps ();
+
+ return (NULL);
+}
+
+#if defined (TEST)
+
+main (argc, argv)
+ int argc;
+ char **argv;
+{
+ unsigned int i;
+
+ for (i = 1; i < argc; ++i)
+ {
+ char **value = glob_filename (argv[i], 0);
+ if (value == NULL)
+ puts ("Out of memory.");
+ else if (value == &glob_error_return)
+ perror (argv[i]);
+ else
+ for (i = 0; value[i] != NULL; i++)
+ puts (value[i]);
+ }
+
+ exit (0);
+}
+#endif /* TEST. */
diff --git a/lib/glob/glob.h b/lib/glob/glob.h
new file mode 100644
index 0000000..4741057
--- /dev/null
+++ b/lib/glob/glob.h
@@ -0,0 +1,47 @@
+/* File-name wildcard pattern matching for GNU.
+ Copyright (C) 1985-2021 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne-Again SHell.
+
+ Bash 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 3 of the License, or
+ (at your option) any later version.
+
+ Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _GLOB_H_
+#define _GLOB_H_
+
+#include "stdc.h"
+
+#define GX_MARKDIRS 0x001 /* mark directory names with trailing `/' */
+#define GX_NOCASE 0x002 /* ignore case */
+#define GX_MATCHDOT 0x004 /* match `.' literally */
+#define GX_MATCHDIRS 0x008 /* match only directory names */
+#define GX_ALLDIRS 0x010 /* match all directory names, no others */
+#define GX_NULLDIR 0x100 /* internal -- no directory preceding pattern */
+#define GX_ADDCURDIR 0x200 /* internal -- add passed directory name */
+#define GX_GLOBSTAR 0x400 /* turn on special handling of ** */
+#define GX_RECURSE 0x800 /* internal -- glob_filename called recursively */
+#define GX_SYMLINK 0x1000 /* internal -- symlink to a directory */
+#define GX_NEGATE 0x2000 /* internal -- extglob pattern being negated */
+
+extern int glob_pattern_p PARAMS((const char *));
+extern char **glob_vector PARAMS((char *, char *, int));
+extern char **glob_filename PARAMS((char *, int));
+
+extern int extglob_pattern_p PARAMS((const char *));
+
+extern char *glob_error_return;
+extern int noglob_dot_filenames;
+extern int glob_ignore_case;
+
+#endif /* _GLOB_H_ */
diff --git a/lib/glob/glob_loop.c b/lib/glob/glob_loop.c
new file mode 100644
index 0000000..467e7ae
--- /dev/null
+++ b/lib/glob/glob_loop.c
@@ -0,0 +1,84 @@
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash 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 3 of the License, or
+ (at your option) any later version.
+
+ Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+static int INTERNAL_GLOB_PATTERN_P PARAMS((const GCHAR *));
+
+/* Return nonzero if PATTERN has any special globbing chars in it.
+ Compiled twice, once each for single-byte and multibyte characters. */
+static int
+INTERNAL_GLOB_PATTERN_P (pattern)
+ const GCHAR *pattern;
+{
+ register const GCHAR *p;
+ register GCHAR c;
+ int bopen, bsquote;
+
+ p = pattern;
+ bopen = bsquote = 0;
+
+ while ((c = *p++) != L('\0'))
+ switch (c)
+ {
+ case L('?'):
+ case L('*'):
+ return 1;
+
+ case L('['): /* Only accept an open brace if there is a close */
+ bopen++; /* brace to match it. Bracket expressions must be */
+ continue; /* complete, according to Posix.2 */
+ case L(']'):
+ if (bopen)
+ return 1;
+ continue;
+
+ case L('+'): /* extended matching operators */
+ case L('@'):
+ case L('!'):
+ if (*p == L('(')) /*) */
+ return 1;
+ continue;
+
+ case L('\\'):
+ /* Don't let the pattern end in a backslash (GMATCH returns no match
+ if the pattern ends in a backslash anyway), but otherwise note that
+ we have seen this, since the matching engine uses backslash as an
+ escape character and it can be removed. We return 2 later if we
+ have seen only backslash-escaped characters, so interested callers
+ know they can shortcut and just dequote the pathname. */
+ if (*p != L('\0'))
+ {
+ p++;
+ bsquote = 1;
+ continue;
+ }
+ else /* (*p == L('\0')) */
+ return 0;
+ }
+
+#if 0
+ return bsquote ? 2 : 0;
+#else
+ return (0);
+#endif
+}
+
+#undef INTERNAL_GLOB_PATTERN_P
+#undef L
+#undef INT
+#undef CHAR
+#undef GCHAR
diff --git a/lib/glob/gm_loop.c b/lib/glob/gm_loop.c
new file mode 100644
index 0000000..ac516f8
--- /dev/null
+++ b/lib/glob/gm_loop.c
@@ -0,0 +1,208 @@
+/* Copyright (C) 1991-2017 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash 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 3 of the License, or
+ (at your option) any later version.
+
+ Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#if EXTENDED_GLOB
+int
+EXTGLOB_PATTERN_P (pat)
+ const CHAR *pat;
+{
+ switch (pat[0])
+ {
+ case L('*'):
+ case L('+'):
+ case L('!'):
+ case L('@'):
+ case L('?'):
+ return (pat[1] == L('(')); /* ) */
+ default:
+ return 0;
+ }
+
+ return 0;
+}
+#endif
+
+/* Return 1 of the first character of STRING could match the first
+ character of pattern PAT. Compiled to both single and wiide character
+ versions. FLAGS is a subset of strmatch flags; used to do case-insensitive
+ matching for now. */
+int
+MATCH_PATTERN_CHAR (pat, string, flags)
+ CHAR *pat, *string;
+ int flags;
+{
+ CHAR c;
+
+ if (*string == 0)
+ return (*pat == L('*')); /* XXX - allow only * to match empty string */
+
+ switch (c = *pat++)
+ {
+ default:
+ return (FOLD(*string) == FOLD(c));
+ case L('\\'):
+ return (FOLD(*string) == FOLD(*pat));
+ case L('?'):
+ return (*pat == L('(') ? 1 : (*string != L'\0'));
+ case L('*'):
+ return (1);
+ case L('+'):
+ case L('!'):
+ case L('@'):
+ return (*pat == L('(') ? 1 : (FOLD(*string) == FOLD(c)));
+ case L('['):
+ return (*string != L('\0'));
+ }
+}
+
+int
+MATCHLEN (pat, max)
+ CHAR *pat;
+ size_t max;
+{
+ CHAR c;
+ int matlen, bracklen, t, in_cclass, in_collsym, in_equiv;
+
+ if (*pat == 0)
+ return (0);
+
+ matlen = in_cclass = in_collsym = in_equiv = 0;
+ while (c = *pat++)
+ {
+ switch (c)
+ {
+ default:
+ matlen++;
+ break;
+ case L('\\'):
+ if (*pat == 0)
+ return ++matlen;
+ else
+ {
+ matlen++;
+ pat++;
+ }
+ break;
+ case L('?'):
+ if (*pat == LPAREN)
+ return (matlen = -1); /* XXX for now */
+ else
+ matlen++;
+ break;
+ case L('*'):
+ return (matlen = -1);
+ case L('+'):
+ case L('!'):
+ case L('@'):
+ if (*pat == LPAREN)
+ return (matlen = -1); /* XXX for now */
+ else
+ matlen++;
+ break;
+ case L('['):
+ /* scan for ending `]', skipping over embedded [:...:] */
+ bracklen = 1;
+ c = *pat++;
+ do
+ {
+ if (c == 0)
+ {
+ pat--; /* back up to NUL */
+ matlen += bracklen;
+ goto bad_bracket;
+ }
+ else if (c == L('\\'))
+ {
+ /* *pat == backslash-escaped character */
+ bracklen++;
+ /* If the backslash or backslash-escape ends the string,
+ bail. The ++pat skips over the backslash escape */
+ if (*pat == 0 || *++pat == 0)
+ {
+ matlen += bracklen;
+ goto bad_bracket;
+ }
+ }
+ else if (c == L('[') && *pat == L(':')) /* character class */
+ {
+ pat++;
+ bracklen++;
+ in_cclass = 1;
+ }
+ else if (in_cclass && c == L(':') && *pat == L(']'))
+ {
+ pat++;
+ bracklen++;
+ in_cclass = 0;
+ }
+ else if (c == L('[') && *pat == L('.')) /* collating symbol */
+ {
+ pat++;
+ bracklen++;
+ if (*pat == L(']')) /* right bracket can appear as collating symbol */
+ {
+ pat++;
+ bracklen++;
+ }
+ in_collsym = 1;
+ }
+ else if (in_collsym && c == L('.') && *pat == L(']'))
+ {
+ pat++;
+ bracklen++;
+ in_collsym = 0;
+ }
+ else if (c == L('[') && *pat == L('=')) /* equivalence class */
+ {
+ pat++;
+ bracklen++;
+ if (*pat == L(']')) /* right bracket can appear as equivalence class */
+ {
+ pat++;
+ bracklen++;
+ }
+ in_equiv = 1;
+ }
+ else if (in_equiv && c == L('=') && *pat == L(']'))
+ {
+ pat++;
+ bracklen++;
+ in_equiv = 0;
+ }
+ else
+ bracklen++;
+ }
+ while ((c = *pat++) != L(']'));
+ matlen++; /* bracket expression can only match one char */
+bad_bracket:
+ break;
+ }
+ }
+
+ return matlen;
+}
+
+#undef EXTGLOB_PATTERN_P
+#undef MATCH_PATTERN_CHAR
+#undef MATCHLEN
+#undef FOLD
+#undef L
+#undef LPAREN
+#undef RPAREN
+#undef INT
+#undef CHAR
diff --git a/lib/glob/gmisc.c b/lib/glob/gmisc.c
new file mode 100644
index 0000000..f3d74ce
--- /dev/null
+++ b/lib/glob/gmisc.c
@@ -0,0 +1,108 @@
+/* gmisc.c -- miscellaneous pattern matching utility functions for Bash.
+
+ Copyright (C) 2010-2020 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne-Again SHell.
+
+ Bash 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 3 of the License, or
+ (at your option) any later version.
+
+ Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#include "bashtypes.h"
+
+#if defined (HAVE_UNISTD_H)
+# include <unistd.h>
+#endif
+
+#include "bashansi.h"
+#include "shmbutil.h"
+#include "chartypes.h"
+
+#include "stdc.h"
+
+#ifndef FNM_CASEFOLD
+# include "strmatch.h"
+#endif
+#include "glob.h"
+
+/* Make sure these names continue to agree with what's in smatch.c */
+extern char *glob_patscan PARAMS((char *, char *, int));
+
+/* Compile `gm_loop.c' for single-byte characters. */
+#define CHAR char
+#define INT int
+#define L(CS) CS
+#define EXTGLOB_PATTERN_P extglob_pattern_p
+#define MATCH_PATTERN_CHAR match_pattern_char
+#define MATCHLEN umatchlen
+#define FOLD(c) ((flags & FNM_CASEFOLD) \
+ ? TOLOWER ((unsigned char)c) \
+ : ((unsigned char)c))
+#ifndef LPAREN
+#define LPAREN '('
+#define RPAREN ')'
+#endif
+#include "gm_loop.c"
+
+/* Compile `gm_loop.c' again for multibyte characters. */
+#if HANDLE_MULTIBYTE
+
+#define CHAR wchar_t
+#define INT wint_t
+#define L(CS) L##CS
+#define EXTGLOB_PATTERN_P wextglob_pattern_p
+#define MATCH_PATTERN_CHAR match_pattern_wchar
+#define MATCHLEN wmatchlen
+
+#define FOLD(c) ((flags & FNM_CASEFOLD) && iswupper (c) ? towlower (c) : (c))
+#define LPAREN L'('
+#define RPAREN L')'
+#include "gm_loop.c"
+
+#endif /* HANDLE_MULTIBYTE */
+
+
+#if defined (EXTENDED_GLOB)
+/* Skip characters in PAT and return the final occurrence of DIRSEP. This
+ is only called when extended_glob is set, so we have to skip over extglob
+ patterns x(...) */
+char *
+glob_dirscan (pat, dirsep)
+ char *pat;
+ int dirsep;
+{
+ char *p, *d, *pe, *se;
+
+ d = pe = se = 0;
+ for (p = pat; p && *p; p++)
+ {
+ if (extglob_pattern_p (p))
+ {
+ if (se == 0)
+ se = p + strlen (p) - 1;
+ pe = glob_patscan (p + 2, se, 0);
+ if (pe == 0)
+ continue;
+ else if (*pe == 0)
+ break;
+ p = pe - 1; /* will do increment above */
+ continue;
+ }
+ if (*p == dirsep)
+ d = p;
+ }
+ return d;
+}
+#endif /* EXTENDED_GLOB */
diff --git a/lib/glob/ndir.h b/lib/glob/ndir.h
new file mode 100644
index 0000000..31261eb
--- /dev/null
+++ b/lib/glob/ndir.h
@@ -0,0 +1,50 @@
+/* <dir.h> -- definitions for 4.2BSD-compatible directory access.
+ last edit: 09-Jul-1983 D A Gwyn. */
+
+#if defined (VMS)
+# if !defined (FAB$C_BID)
+# include <fab.h>
+# endif
+# if !defined (NAM$C_BID)
+# include <nam.h>
+# endif
+# if !defined (RMS$_SUC)
+# include <rmsdef.h>
+# endif
+# include "dir.h"
+#endif /* VMS */
+
+/* Size of directory block. */
+#define DIRBLKSIZ 512
+
+/* NOTE: MAXNAMLEN must be one less than a multiple of 4 */
+
+#if defined (VMS)
+# define MAXNAMLEN (DIR$S_NAME + 7) /* 80 plus room for version #. */
+# define MAXFULLSPEC NAM$C_MAXRSS /* Maximum full spec */
+#else
+# define MAXNAMLEN 15 /* Maximum filename length. */
+#endif /* VMS */
+
+/* Data from readdir (). */
+struct direct {
+ long d_ino; /* Inode number of entry. */
+ unsigned short d_reclen; /* Length of this record. */
+ unsigned short d_namlen; /* Length of string in d_name. */
+ char d_name[MAXNAMLEN + 1]; /* Name of file. */
+};
+
+/* Stream data from opendir (). */
+typedef struct {
+ int dd_fd; /* File descriptor. */
+ int dd_loc; /* Offset in block. */
+ int dd_size; /* Amount of valid data. */
+ char dd_buf[DIRBLKSIZ]; /* Directory block. */
+} DIR;
+
+extern DIR *opendir ();
+extern struct direct *readdir ();
+extern long telldir ();
+extern void seekdir (), closedir ();
+
+#define rewinddir(dirp) seekdir (dirp, 0L)
diff --git a/lib/glob/sm_loop.c b/lib/glob/sm_loop.c
new file mode 100644
index 0000000..247ba28
--- /dev/null
+++ b/lib/glob/sm_loop.c
@@ -0,0 +1,981 @@
+/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash 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 3 of the License, or
+ (at your option) any later version.
+
+ Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+extern int interrupt_state, terminating_signal;
+
+struct STRUCT
+{
+ CHAR *pattern;
+ CHAR *string;
+};
+
+int FCT PARAMS((CHAR *, CHAR *, int));
+
+static int GMATCH PARAMS((CHAR *, CHAR *, CHAR *, CHAR *, struct STRUCT *, int));
+static CHAR *PARSE_COLLSYM PARAMS((CHAR *, INT *));
+static CHAR *BRACKMATCH PARAMS((CHAR *, U_CHAR, int));
+static int EXTMATCH PARAMS((INT, CHAR *, CHAR *, CHAR *, CHAR *, int));
+
+extern void DEQUOTE_PATHNAME PARAMS((CHAR *));
+
+/*static*/ CHAR *PATSCAN PARAMS((CHAR *, CHAR *, INT));
+
+int
+FCT (pattern, string, flags)
+ CHAR *pattern;
+ CHAR *string;
+ int flags;
+{
+ CHAR *se, *pe;
+
+ if (string == 0 || pattern == 0)
+ return FNM_NOMATCH;
+
+ se = string + STRLEN ((XCHAR *)string);
+ pe = pattern + STRLEN ((XCHAR *)pattern);
+
+ return (GMATCH (string, se, pattern, pe, (struct STRUCT *)NULL, flags));
+}
+
+/* Match STRING against the filename pattern PATTERN, returning zero if
+ it matches, FNM_NOMATCH if not. */
+static int
+GMATCH (string, se, pattern, pe, ends, flags)
+ CHAR *string, *se;
+ CHAR *pattern, *pe;
+ struct STRUCT *ends;
+ int flags;
+{
+ CHAR *p, *n; /* pattern, string */
+ INT c; /* current pattern character - XXX U_CHAR? */
+ INT sc; /* current string character - XXX U_CHAR? */
+
+ p = pattern;
+ n = string;
+
+ if (string == 0 || pattern == 0)
+ return FNM_NOMATCH;
+
+#if DEBUG_MATCHING
+fprintf(stderr, "gmatch: string = %s; se = %s\n", string, se);
+fprintf(stderr, "gmatch: pattern = %s; pe = %s\n", pattern, pe);
+#endif
+
+ while (p < pe)
+ {
+ c = *p++;
+ c = FOLD (c);
+
+ sc = n < se ? *n : '\0';
+
+ if (interrupt_state || terminating_signal)
+ return FNM_NOMATCH;
+
+#ifdef EXTENDED_GLOB
+ /* EXTMATCH () will handle recursively calling GMATCH, so we can
+ just return what EXTMATCH() returns. */
+ if ((flags & FNM_EXTMATCH) && *p == L('(') &&
+ (c == L('+') || c == L('*') || c == L('?') || c == L('@') || c == L('!'))) /* ) */
+ {
+ int lflags;
+ /* If we're not matching the start of the string, we're not
+ concerned about the special cases for matching `.' */
+ lflags = (n == string) ? flags : (flags & ~(FNM_PERIOD|FNM_DOTDOT));
+ return (EXTMATCH (c, n, se, p, pe, lflags));
+ }
+#endif /* EXTENDED_GLOB */
+
+ switch (c)
+ {
+ case L('?'): /* Match single character */
+ if (sc == '\0')
+ return FNM_NOMATCH;
+ else if ((flags & FNM_PATHNAME) && sc == L('/'))
+ /* If we are matching a pathname, `?' can never match a `/'. */
+ return FNM_NOMATCH;
+ else if ((flags & FNM_PERIOD) && sc == L('.') &&
+ (n == string || ((flags & FNM_PATHNAME) && n[-1] == L('/'))))
+ /* `?' cannot match a `.' if it is the first character of the
+ string or if it is the first character following a slash and
+ we are matching a pathname. */
+ return FNM_NOMATCH;
+
+ /* `?' cannot match `.' or `..' if it is the first character of the
+ string or if it is the first character following a slash and
+ we are matching a pathname. */
+ if ((flags & FNM_DOTDOT) &&
+ ((n == string && SDOT_OR_DOTDOT(n)) ||
+ ((flags & FNM_PATHNAME) && n[-1] == L('/') && PDOT_OR_DOTDOT(n))))
+ return FNM_NOMATCH;
+
+ break;
+
+ case L('\\'): /* backslash escape removes special meaning */
+ if (p == pe && sc == '\\' && (n+1 == se))
+ break;
+
+ if (p == pe)
+ return FNM_NOMATCH;
+
+ if ((flags & FNM_NOESCAPE) == 0)
+ {
+ c = *p++;
+ /* A trailing `\' cannot match. */
+ if (p > pe)
+ return FNM_NOMATCH;
+ c = FOLD (c);
+ }
+ if (FOLD (sc) != (U_CHAR)c)
+ return FNM_NOMATCH;
+ break;
+
+ case L('*'): /* Match zero or more characters */
+ /* See below for the reason for using this. It avoids backtracking
+ back to a previous `*'. Picked up from glibc. */
+ if (ends != NULL)
+ {
+ ends->pattern = p - 1;
+ ends->string = n;
+ return (0);
+ }
+
+ if ((flags & FNM_PERIOD) && sc == L('.') &&
+ (n == string || ((flags & FNM_PATHNAME) && n[-1] == L('/'))))
+ /* `*' cannot match a `.' if it is the first character of the
+ string or if it is the first character following a slash and
+ we are matching a pathname. */
+ return FNM_NOMATCH;
+
+ /* `*' cannot match `.' or `..' if it is the first character of the
+ string or if it is the first character following a slash and
+ we are matching a pathname. */
+ if ((flags & FNM_DOTDOT) &&
+ ((n == string && SDOT_OR_DOTDOT(n)) ||
+ ((flags & FNM_PATHNAME) && n[-1] == L('/') && PDOT_OR_DOTDOT(n))))
+ return FNM_NOMATCH;
+
+ if (p == pe)
+ return 0;
+
+ /* Collapse multiple consecutive `*' and `?', but make sure that
+ one character of the string is consumed for each `?'. */
+ for (c = *p++; (c == L('?') || c == L('*')); c = *p++)
+ {
+ if ((flags & FNM_PATHNAME) && sc == L('/'))
+ /* A slash does not match a wildcard under FNM_PATHNAME. */
+ return FNM_NOMATCH;
+#ifdef EXTENDED_GLOB
+ else if ((flags & FNM_EXTMATCH) && c == L('?') && *p == L('(')) /* ) */
+ {
+ CHAR *newn;
+
+ /* We can match 0 or 1 times. If we match, return success */
+ if (EXTMATCH (c, n, se, p, pe, flags) == 0)
+ return (0);
+
+ /* We didn't match the extended glob pattern, but
+ that's OK, since we can match 0 or 1 occurrences.
+ We need to skip the glob pattern and see if we
+ match the rest of the string. */
+ newn = PATSCAN (p + 1, pe, 0);
+ /* If NEWN is 0, we have an ill-formed pattern. */
+ p = newn ? newn : pe;
+ }
+#endif
+ else if (c == L('?'))
+ {
+ if (sc == L('\0'))
+ return FNM_NOMATCH;
+ /* One character of the string is consumed in matching
+ this ? wildcard, so *??? won't match if there are
+ fewer than three characters. */
+ n++;
+ sc = n < se ? *n : '\0';
+ }
+
+#ifdef EXTENDED_GLOB
+ /* Handle ******(patlist) */
+ if ((flags & FNM_EXTMATCH) && c == L('*') && *p == L('(')) /*)*/
+ {
+ CHAR *newn;
+ /* We need to check whether or not the extended glob
+ pattern matches the remainder of the string.
+ If it does, we match the entire pattern. */
+ for (newn = n; newn < se; ++newn)
+ {
+ if (EXTMATCH (c, newn, se, p, pe, flags) == 0)
+ return (0);
+ }
+ /* We didn't match the extended glob pattern, but
+ that's OK, since we can match 0 or more occurrences.
+ We need to skip the glob pattern and see if we
+ match the rest of the string. */
+ newn = PATSCAN (p + 1, pe, 0);
+ /* If NEWN is 0, we have an ill-formed pattern. */
+ p = newn ? newn : pe;
+ }
+#endif
+ if (p == pe)
+ break;
+ }
+
+ /* The wildcards are the last element of the pattern. The name
+ cannot match completely if we are looking for a pathname and
+ it contains another slash, unless FNM_LEADING_DIR is set. */
+ if (c == L('\0'))
+ {
+ int r = (flags & FNM_PATHNAME) == 0 ? 0 : FNM_NOMATCH;
+ if (flags & FNM_PATHNAME)
+ {
+ if (flags & FNM_LEADING_DIR)
+ r = 0;
+ else if (MEMCHR (n, L('/'), se - n) == NULL)
+ r = 0;
+ }
+ return r;
+ }
+
+ /* If we've hit the end of the pattern and the last character of
+ the pattern was handled by the loop above, we've succeeded.
+ Otherwise, we need to match that last character. */
+ if (p == pe && (c == L('?') || c == L('*')))
+ return (0);
+
+ /* If we've hit the end of the string and the rest of the pattern
+ is something that matches the empty string, we can succeed. */
+#if defined (EXTENDED_GLOB)
+ if (n == se && ((flags & FNM_EXTMATCH) && (c == L('!') || c == L('?')) && *p == L('(')))
+ {
+ --p;
+ if (EXTMATCH (c, n, se, p, pe, flags) == 0)
+ return (c == L('!') ? FNM_NOMATCH : 0);
+ return (c == L('!') ? 0 : FNM_NOMATCH);
+ }
+#endif
+
+ /* If we stop at a slash in the pattern and we are looking for a
+ pathname ([star]/foo), then consume enough of the string to stop
+ at any slash and then try to match the rest of the pattern. If
+ the string doesn't contain a slash, fail */
+ if (c == L('/') && (flags & FNM_PATHNAME))
+ {
+ while (n < se && *n != L('/'))
+ ++n;
+ if (n < se && *n == L('/') && (GMATCH (n+1, se, p, pe, NULL, flags) == 0))
+ return 0;
+ return FNM_NOMATCH; /* XXX */
+ }
+
+ /* General case, use recursion. */
+ {
+ U_CHAR c1;
+ const CHAR *endp;
+ struct STRUCT end;
+
+ end.pattern = NULL;
+ endp = MEMCHR (n, (flags & FNM_PATHNAME) ? L('/') : L('\0'), se - n);
+ if (endp == 0)
+ endp = se;
+
+ c1 = ((flags & FNM_NOESCAPE) == 0 && c == L('\\')) ? *p : c;
+ c1 = FOLD (c1);
+ for (--p; n < endp; ++n)
+ {
+ /* Only call strmatch if the first character indicates a
+ possible match. We can check the first character if
+ we're not doing an extended glob match. */
+ if ((flags & FNM_EXTMATCH) == 0 && c != L('[') && FOLD (*n) != c1) /*]*/
+ continue;
+
+ /* If we're doing an extended glob match and the pattern is not
+ one of the extended glob patterns, we can check the first
+ character. */
+ if ((flags & FNM_EXTMATCH) && p[1] != L('(') && /*)*/
+ STRCHR (L("?*+@!"), *p) == 0 && c != L('[') && FOLD (*n) != c1) /*]*/
+ continue;
+
+ /* Otherwise, we just recurse. */
+ if (GMATCH (n, se, p, pe, &end, flags & ~(FNM_PERIOD|FNM_DOTDOT)) == 0)
+ {
+ if (end.pattern == NULL)
+ return (0);
+ break;
+ }
+ }
+ /* This is a clever idea from glibc, used to avoid backtracking
+ to a `*' that appears earlier in the pattern. We get away
+ without saving se and pe because they are always the same,
+ even in the recursive calls to gmatch */
+ if (end.pattern != NULL)
+ {
+ p = end.pattern;
+ n = end.string;
+ continue;
+ }
+
+ return FNM_NOMATCH;
+ }
+
+ case L('['):
+ {
+ if (sc == L('\0') || n == se)
+ return FNM_NOMATCH;
+
+ /* A character class cannot match a `.' if it is the first
+ character of the string or if it is the first character
+ following a slash and we are matching a pathname. */
+ if ((flags & FNM_PERIOD) && sc == L('.') &&
+ (n == string || ((flags & FNM_PATHNAME) && n[-1] == L('/'))))
+ return (FNM_NOMATCH);
+
+ /* `?' cannot match `.' or `..' if it is the first character of the
+ string or if it is the first character following a slash and
+ we are matching a pathname. */
+ if ((flags & FNM_DOTDOT) &&
+ ((n == string && SDOT_OR_DOTDOT(n)) ||
+ ((flags & FNM_PATHNAME) && n[-1] == L('/') && PDOT_OR_DOTDOT(n))))
+ return FNM_NOMATCH;
+
+ p = BRACKMATCH (p, sc, flags);
+ if (p == 0)
+ return FNM_NOMATCH;
+ }
+ break;
+
+ default:
+ if ((U_CHAR)c != FOLD (sc))
+ return (FNM_NOMATCH);
+ }
+
+ ++n;
+ }
+
+ if (n == se)
+ return (0);
+
+ if ((flags & FNM_LEADING_DIR) && *n == L('/'))
+ /* The FNM_LEADING_DIR flag says that "foo*" matches "foobar/frobozz". */
+ return 0;
+
+ return (FNM_NOMATCH);
+}
+
+/* Parse a bracket expression collating symbol ([.sym.]) starting at P, find
+ the value of the symbol, and move P past the collating symbol expression.
+ The value is returned in *VP, if VP is not null. */
+static CHAR *
+PARSE_COLLSYM (p, vp)
+ CHAR *p;
+ INT *vp;
+{
+ register int pc;
+ INT val;
+
+ p++; /* move past the `.' */
+
+ for (pc = 0; p[pc]; pc++)
+ if (p[pc] == L('.') && p[pc+1] == L(']'))
+ break;
+ if (p[pc] == 0)
+ {
+ if (vp)
+ *vp = INVALID;
+ return (p + pc);
+ }
+ val = COLLSYM (p, pc);
+ if (vp)
+ *vp = val;
+ return (p + pc + 2);
+}
+
+/* Use prototype definition here because of type promotion. */
+static CHAR *
+#if defined (PROTOTYPES)
+BRACKMATCH (CHAR *p, U_CHAR test, int flags)
+#else
+BRACKMATCH (p, test, flags)
+ CHAR *p;
+ U_CHAR test;
+ int flags;
+#endif
+{
+ register CHAR cstart, cend, c;
+ register int not; /* Nonzero if the sense of the character class is inverted. */
+ int brcnt, forcecoll, isrange;
+ INT pc;
+ CHAR *savep;
+ CHAR *brchrp;
+ U_CHAR orig_test;
+
+ orig_test = test;
+ test = FOLD (orig_test);
+
+ savep = p;
+
+ /* POSIX.2 3.13.1 says that an exclamation mark (`!') shall replace the
+ circumflex (`^') in its role in a `nonmatching list'. A bracket
+ expression starting with an unquoted circumflex character produces
+ unspecified results. This implementation treats the two identically. */
+ if (not = (*p == L('!') || *p == L('^')))
+ ++p;
+
+ c = *p++;
+ for (;;)
+ {
+ /* Initialize cstart and cend in case `-' is the last
+ character of the pattern. */
+ cstart = cend = c;
+ forcecoll = 0;
+
+ /* POSIX.2 equivalence class: [=c=]. See POSIX.2 2.8.3.2. Find
+ the end of the equivalence class, move the pattern pointer past
+ it, and check for equivalence. XXX - this handles only
+ single-character equivalence classes, which is wrong, or at
+ least incomplete. */
+ if (c == L('[') && *p == L('=') && p[2] == L('=') && p[3] == L(']'))
+ {
+ pc = FOLD (p[1]);
+ p += 4;
+ if (COLLEQUIV (test, pc))
+ {
+/*[*/ /* Move past the closing `]', since the first thing we do at
+ the `matched:' label is back p up one. */
+ p++;
+ goto matched;
+ }
+ else
+ {
+ c = *p++;
+ if (c == L('\0'))
+ return ((test == L('[')) ? savep : (CHAR *)0); /*]*/
+ c = FOLD (c);
+ continue;
+ }
+ }
+
+ /* POSIX.2 character class expression. See POSIX.2 2.8.3.2. */
+ if (c == L('[') && *p == L(':'))
+ {
+ CHAR *close, *ccname;
+
+ pc = 0; /* make sure invalid char classes don't match. */
+ /* Find end of character class name */
+ for (close = p + 1; *close != '\0'; close++)
+ if (*close == L(':') && *(close+1) == L(']'))
+ break;
+
+ if (*close != L('\0'))
+ {
+ ccname = (CHAR *)malloc ((close - p) * sizeof (CHAR));
+ if (ccname == 0)
+ pc = 0;
+ else
+ {
+ bcopy (p + 1, ccname, (close - p - 1) * sizeof (CHAR));
+ *(ccname + (close - p - 1)) = L('\0');
+ /* As a result of a POSIX discussion, char class names are
+ allowed to be quoted (?) */
+ DEQUOTE_PATHNAME (ccname);
+ pc = IS_CCLASS (orig_test, (XCHAR *)ccname);
+ }
+ if (pc == -1)
+ {
+ /* CCNAME is not a valid character class in the current
+ locale. In addition to noting no match (pc = 0), we have
+ a choice about what to do with the invalid charclass.
+ Posix leaves the behavior unspecified, but we're going
+ to skip over the charclass and keep going instead of
+ testing ORIG_TEST against each character in the class
+ string. If we don't want to do that, take out the update
+ of P. */
+ pc = 0;
+ p = close + 2;
+ }
+ else
+ p = close + 2; /* move past the closing `]' */
+
+ free (ccname);
+ }
+
+ if (pc)
+ {
+/*[*/ /* Move past the closing `]', since the first thing we do at
+ the `matched:' label is back p up one. */
+ p++;
+ goto matched;
+ }
+ else
+ {
+ /* continue the loop here, since this expression can't be
+ the first part of a range expression. */
+ c = *p++;
+ if (c == L('\0'))
+ return ((test == L('[')) ? savep : (CHAR *)0);
+ else if (c == L(']'))
+ break;
+ c = FOLD (c);
+ continue;
+ }
+ }
+
+ /* POSIX.2 collating symbols. See POSIX.2 2.8.3.2. Find the end of
+ the symbol name, make sure it is terminated by `.]', translate
+ the name to a character using the external table, and do the
+ comparison. */
+ if (c == L('[') && *p == L('.'))
+ {
+ p = PARSE_COLLSYM (p, &pc);
+ /* An invalid collating symbol cannot be the first point of a
+ range. If it is, we set cstart to one greater than `test',
+ so any comparisons later will fail. */
+ cstart = (pc == INVALID) ? test + 1 : pc;
+ forcecoll = 1;
+ }
+
+ if (!(flags & FNM_NOESCAPE) && c == L('\\'))
+ {
+ if (*p == '\0')
+ return (CHAR *)0;
+ cstart = cend = *p++;
+ }
+
+ cstart = cend = FOLD (cstart);
+ isrange = 0;
+
+ /* POSIX.2 2.8.3.1.2 says: `An expression containing a `[' that
+ is not preceded by a backslash and is not part of a bracket
+ expression produces undefined results.' This implementation
+ treats the `[' as just a character to be matched if there is
+ not a closing `]'. */
+ if (c == L('\0'))
+ return ((test == L('[')) ? savep : (CHAR *)0);
+
+ c = *p++;
+ c = FOLD (c);
+
+ if (c == L('\0'))
+ return ((test == L('[')) ? savep : (CHAR *)0);
+
+ if ((flags & FNM_PATHNAME) && c == L('/'))
+ /* [/] can never match when matching a pathname. */
+ return (CHAR *)0;
+
+ /* This introduces a range, unless the `-' is the last
+ character of the class. Find the end of the range
+ and move past it. */
+ if (c == L('-') && *p != L(']'))
+ {
+ cend = *p++;
+ if (!(flags & FNM_NOESCAPE) && cend == L('\\'))
+ cend = *p++;
+ if (cend == L('\0'))
+ return (CHAR *)0;
+ if (cend == L('[') && *p == L('.'))
+ {
+ p = PARSE_COLLSYM (p, &pc);
+ /* An invalid collating symbol cannot be the second part of a
+ range expression. If we get one, we set cend to one fewer
+ than the test character to make sure the range test fails. */
+ cend = (pc == INVALID) ? test - 1 : pc;
+ forcecoll = 1;
+ }
+ cend = FOLD (cend);
+
+ c = *p++;
+
+ /* POSIX.2 2.8.3.2: ``The ending range point shall collate
+ equal to or higher than the starting range point; otherwise
+ the expression shall be treated as invalid.'' Note that this
+ applies to only the range expression; the rest of the bracket
+ expression is still checked for matches. */
+ if (RANGECMP (cstart, cend, forcecoll) > 0)
+ {
+ if (c == L(']'))
+ break;
+ c = FOLD (c);
+ continue;
+ }
+ isrange = 1;
+ }
+
+ if (isrange == 0 && test == cstart)
+ goto matched;
+ if (isrange && RANGECMP (test, cstart, forcecoll) >= 0 && RANGECMP (test, cend, forcecoll) <= 0)
+ goto matched;
+
+ if (c == L(']'))
+ break;
+ }
+ /* No match. */
+ return (!not ? (CHAR *)0 : p);
+
+matched:
+ /* Skip the rest of the [...] that already matched. */
+ c = *--p;
+ brcnt = 1;
+ brchrp = 0;
+ while (brcnt > 0)
+ {
+ int oc;
+
+ /* A `[' without a matching `]' is just another character to match. */
+ if (c == L('\0'))
+ return ((test == L('[')) ? savep : (CHAR *)0);
+
+ oc = c;
+ c = *p++;
+ if (c == L('[') && (*p == L('=') || *p == L(':') || *p == L('.')))
+ {
+ brcnt++;
+ brchrp = p++; /* skip over the char after the left bracket */
+ if ((c = *p) == L('\0'))
+ return ((test == L('[')) ? savep : (CHAR *)0);
+ /* If *brchrp == ':' we should check that the rest of the characters
+ form a valid character class name. We don't do that yet, but we
+ keep BRCHRP in case we want to. */
+ }
+ /* We only want to check brchrp if we set it above. */
+ else if (c == L(']') && brcnt > 1 && brchrp != 0 && oc == *brchrp)
+ {
+ brcnt--;
+ brchrp = 0; /* just in case */
+ }
+ /* Left bracket loses its special meaning inside a bracket expression.
+ It is only valid when followed by a `.', `=', or `:', which we check
+ for above. Technically the right bracket can appear in a collating
+ symbol, so we check for that here. Otherwise, it terminates the
+ bracket expression. */
+ else if (c == L(']') && (brchrp == 0 || *brchrp != L('.')) && brcnt >= 1)
+ brcnt = 0;
+ else if (!(flags & FNM_NOESCAPE) && c == L('\\'))
+ {
+ if (*p == '\0')
+ return (CHAR *)0;
+ /* XXX 1003.2d11 is unclear if this is right. */
+ ++p;
+ }
+ }
+ return (not ? (CHAR *)0 : p);
+}
+
+#if defined (EXTENDED_GLOB)
+/* ksh-like extended pattern matching:
+
+ [?*+@!](pat-list)
+
+ where pat-list is a list of one or patterns separated by `|'. Operation
+ is as follows:
+
+ ?(patlist) match zero or one of the given patterns
+ *(patlist) match zero or more of the given patterns
+ +(patlist) match one or more of the given patterns
+ @(patlist) match exactly one of the given patterns
+ !(patlist) match anything except one of the given patterns
+*/
+
+/* Scan a pattern starting at STRING and ending at END, keeping track of
+ embedded () and []. If DELIM is 0, we scan until a matching `)'
+ because we're scanning a `patlist'. Otherwise, we scan until we see
+ DELIM. In all cases, we never scan past END. The return value is the
+ first character after the matching DELIM or NULL if the pattern is
+ empty or invalid. */
+/*static*/ CHAR *
+PATSCAN (string, end, delim)
+ CHAR *string, *end;
+ INT delim;
+{
+ int pnest, bnest, skip;
+ INT cchar;
+ CHAR *s, c, *bfirst;
+
+ pnest = bnest = skip = 0;
+ cchar = 0;
+ bfirst = NULL;
+
+ if (string == end)
+ return (NULL);
+
+ for (s = string; c = *s; s++)
+ {
+ if (s >= end)
+ return (s);
+ if (skip)
+ {
+ skip = 0;
+ continue;
+ }
+ switch (c)
+ {
+ case L('\\'):
+ skip = 1;
+ break;
+
+ case L('\0'):
+ return ((CHAR *)NULL);
+
+ /* `[' is not special inside a bracket expression, but it may
+ introduce one of the special POSIX bracket expressions
+ ([.SYM.], [=c=], [: ... :]) that needs special handling. */
+ case L('['):
+ if (bnest == 0)
+ {
+ bfirst = s + 1;
+ if (*bfirst == L('!') || *bfirst == L('^'))
+ bfirst++;
+ bnest++;
+ }
+ else if (s[1] == L(':') || s[1] == L('.') || s[1] == L('='))
+ cchar = s[1];
+ break;
+
+ /* `]' is not special if it's the first char (after a leading `!'
+ or `^') in a bracket expression or if it's part of one of the
+ special POSIX bracket expressions ([.SYM.], [=c=], [: ... :]) */
+ case L(']'):
+ if (bnest)
+ {
+ if (cchar && s[-1] == cchar)
+ cchar = 0;
+ else if (s != bfirst)
+ {
+ bnest--;
+ bfirst = 0;
+ }
+ }
+ break;
+
+ case L('('):
+ if (bnest == 0)
+ pnest++;
+ break;
+
+ case L(')'):
+ if (bnest == 0 && pnest-- <= 0)
+ return ++s;
+ break;
+
+ case L('|'):
+ if (bnest == 0 && pnest == 0 && delim == L('|'))
+ return ++s;
+ break;
+ }
+ }
+
+ return (NULL);
+}
+
+/* Return 0 if dequoted pattern matches S in the current locale. */
+static int
+STRCOMPARE (p, pe, s, se)
+ CHAR *p, *pe, *s, *se;
+{
+ int ret;
+ CHAR c1, c2;
+ int l1, l2;
+
+ l1 = pe - p;
+ l2 = se - s;
+
+ if (l1 != l2)
+ return (FNM_NOMATCH); /* unequal lengths, can't be identical */
+
+ c1 = *pe;
+ c2 = *se;
+
+ if (c1 != 0)
+ *pe = '\0';
+ if (c2 != 0)
+ *se = '\0';
+
+#if HAVE_MULTIBYTE || defined (HAVE_STRCOLL)
+ ret = STRCOLL ((XCHAR *)p, (XCHAR *)s);
+#else
+ ret = STRCMP ((XCHAR *)p, (XCHAR *)s);
+#endif
+
+ if (c1 != 0)
+ *pe = c1;
+ if (c2 != 0)
+ *se = c2;
+
+ return (ret == 0 ? ret : FNM_NOMATCH);
+}
+
+/* Match a ksh extended pattern specifier. Return FNM_NOMATCH on failure or
+ 0 on success. This is handed the entire rest of the pattern and string
+ the first time an extended pattern specifier is encountered, so it calls
+ gmatch recursively. */
+static int
+EXTMATCH (xc, s, se, p, pe, flags)
+ INT xc; /* select which operation */
+ CHAR *s, *se;
+ CHAR *p, *pe;
+ int flags;
+{
+ CHAR *prest; /* pointer to rest of pattern */
+ CHAR *psub; /* pointer to sub-pattern */
+ CHAR *pnext; /* pointer to next sub-pattern */
+ CHAR *srest; /* pointer to rest of string */
+ int m1, m2, xflags; /* xflags = flags passed to recursive matches */
+
+#if DEBUG_MATCHING
+fprintf(stderr, "extmatch: xc = %c\n", xc);
+fprintf(stderr, "extmatch: s = %s; se = %s\n", s, se);
+fprintf(stderr, "extmatch: p = %s; pe = %s\n", p, pe);
+fprintf(stderr, "extmatch: flags = %d\n", flags);
+#endif
+
+ prest = PATSCAN (p + (*p == L('(')), pe, 0); /* ) */
+ if (prest == 0)
+ /* If PREST is 0, we failed to scan a valid pattern. In this
+ case, we just want to compare the two as strings. */
+ return (STRCOMPARE (p - 1, pe, s, se));
+
+ switch (xc)
+ {
+ case L('+'): /* match one or more occurrences */
+ case L('*'): /* match zero or more occurrences */
+ /* If we can get away with no matches, don't even bother. Just
+ call GMATCH on the rest of the pattern and return success if
+ it succeeds. */
+ if (xc == L('*') && (GMATCH (s, se, prest, pe, NULL, flags) == 0))
+ return 0;
+
+ /* OK, we have to do this the hard way. First, we make sure one of
+ the subpatterns matches, then we try to match the rest of the
+ string. */
+ for (psub = p + 1; ; psub = pnext)
+ {
+ pnext = PATSCAN (psub, pe, L('|'));
+ for (srest = s; srest <= se; srest++)
+ {
+ /* Match this substring (S -> SREST) against this
+ subpattern (psub -> pnext - 1) */
+ m1 = GMATCH (s, srest, psub, pnext - 1, NULL, flags) == 0;
+ /* OK, we matched a subpattern, so make sure the rest of the
+ string matches the rest of the pattern. Also handle
+ multiple matches of the pattern. */
+ if (m1)
+ {
+ /* if srest > s, we are not at start of string */
+ xflags = (srest > s) ? (flags & ~(FNM_PERIOD|FNM_DOTDOT)) : flags;
+ m2 = (GMATCH (srest, se, prest, pe, NULL, xflags) == 0) ||
+ (s != srest && GMATCH (srest, se, p - 1, pe, NULL, xflags) == 0);
+ }
+ if (m1 && m2)
+ return (0);
+ }
+ if (pnext == prest)
+ break;
+ }
+ return (FNM_NOMATCH);
+
+ case L('?'): /* match zero or one of the patterns */
+ case L('@'): /* match one (or more) of the patterns */
+ /* If we can get away with no matches, don't even bother. Just
+ call gmatch on the rest of the pattern and return success if
+ it succeeds. */
+ if (xc == L('?') && (GMATCH (s, se, prest, pe, NULL, flags) == 0))
+ return 0;
+
+ /* OK, we have to do this the hard way. First, we see if one of
+ the subpatterns matches, then, if it does, we try to match the
+ rest of the string. */
+ for (psub = p + 1; ; psub = pnext)
+ {
+ pnext = PATSCAN (psub, pe, L('|'));
+ srest = (prest == pe) ? se : s;
+ for ( ; srest <= se; srest++)
+ {
+ /* if srest > s, we are not at start of string */
+ xflags = (srest > s) ? (flags & ~(FNM_PERIOD|FNM_DOTDOT)) : flags;
+ if (GMATCH (s, srest, psub, pnext - 1, NULL, flags) == 0 &&
+ GMATCH (srest, se, prest, pe, NULL, xflags) == 0)
+ return (0);
+ }
+ if (pnext == prest)
+ break;
+ }
+ return (FNM_NOMATCH);
+
+ case '!': /* match anything *except* one of the patterns */
+ for (srest = s; srest <= se; srest++)
+ {
+ m1 = 0;
+ for (psub = p + 1; ; psub = pnext)
+ {
+ pnext = PATSCAN (psub, pe, L('|'));
+ /* If one of the patterns matches, just bail immediately. */
+ if (m1 = (GMATCH (s, srest, psub, pnext - 1, NULL, flags) == 0))
+ break;
+ if (pnext == prest)
+ break;
+ }
+
+ /* If nothing matched, but the string starts with a period and we
+ need to match periods explicitly, don't return this as a match,
+ even for negation. */
+ if (m1 == 0 && (flags & FNM_PERIOD) && *s == '.')
+ return (FNM_NOMATCH);
+
+ if (m1 == 0 && (flags & FNM_DOTDOT) &&
+ (SDOT_OR_DOTDOT (s) ||
+ ((flags & FNM_PATHNAME) && s[-1] == L('/') && PDOT_OR_DOTDOT(s))))
+ return (FNM_NOMATCH);
+
+ /* if srest > s, we are not at start of string */
+ xflags = (srest > s) ? (flags & ~(FNM_PERIOD|FNM_DOTDOT)) : flags;
+ if (m1 == 0 && GMATCH (srest, se, prest, pe, NULL, xflags) == 0)
+ return (0);
+ }
+ return (FNM_NOMATCH);
+ }
+
+ return (FNM_NOMATCH);
+}
+#endif /* EXTENDED_GLOB */
+
+#undef IS_CCLASS
+#undef FOLD
+#undef CHAR
+#undef U_CHAR
+#undef XCHAR
+#undef INT
+#undef INVALID
+#undef FCT
+#undef GMATCH
+#undef COLLSYM
+#undef PARSE_COLLSYM
+#undef PATSCAN
+#undef STRCOMPARE
+#undef EXTMATCH
+#undef DEQUOTE_PATHNAME
+#undef STRUCT
+#undef BRACKMATCH
+#undef STRCHR
+#undef STRCOLL
+#undef STRLEN
+#undef STRCMP
+#undef MEMCHR
+#undef COLLEQUIV
+#undef RANGECMP
+#undef ISDIRSEP
+#undef PATHSEP
+#undef PDOT_OR_DOTDOT
+#undef SDOT_OR_DOTDOT
+#undef L
diff --git a/lib/glob/smatch.c b/lib/glob/smatch.c
new file mode 100644
index 0000000..379c2d2
--- /dev/null
+++ b/lib/glob/smatch.c
@@ -0,0 +1,638 @@
+/* strmatch.c -- ksh-like extended pattern matching for the shell and filename
+ globbing. */
+
+/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash 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 3 of the License, or
+ (at your option) any later version.
+
+ Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#include <stdio.h> /* for debugging */
+
+#include "strmatch.h"
+#include <chartypes.h>
+
+#include "bashansi.h"
+#include "shmbutil.h"
+#include "xmalloc.h"
+
+#include <errno.h>
+
+#if !defined (errno)
+extern int errno;
+#endif
+
+#if FNMATCH_EQUIV_FALLBACK
+/* We don't include <fnmatch.h> in order to avoid namespace collisions; the
+ internal strmatch still uses the FNM_ constants. */
+extern int fnmatch (const char *, const char *, int);
+#endif
+
+/* First, compile `sm_loop.c' for single-byte characters. */
+#define CHAR unsigned char
+#define U_CHAR unsigned char
+#define XCHAR char
+#define INT int
+#define L(CS) CS
+#define INVALID -1
+
+#undef STREQ
+#undef STREQN
+#define STREQ(a, b) ((a)[0] == (b)[0] && strcmp(a, b) == 0)
+#define STREQN(a, b, n) ((a)[0] == (b)[0] && strncmp(a, b, n) == 0)
+
+#ifndef GLOBASCII_DEFAULT
+# define GLOBASCII_DEFAULT 0
+#endif
+
+int glob_asciirange = GLOBASCII_DEFAULT;
+
+#if FNMATCH_EQUIV_FALLBACK
+/* Construct a string w1 = "c1" and a pattern w2 = "[[=c2=]]" and pass them
+ to fnmatch to see if wide characters c1 and c2 collate as members of the
+ same equivalence class. We can't really do this portably any other way */
+static int
+_fnmatch_fallback (s, p)
+ int s, p; /* string char, patchar */
+{
+ char s1[2]; /* string */
+ char s2[8]; /* constructed pattern */
+
+ s1[0] = (unsigned char)s;
+ s1[1] = '\0';
+
+ /* reconstruct the pattern */
+ s2[0] = s2[1] = '[';
+ s2[2] = '=';
+ s2[3] = (unsigned char)p;
+ s2[4] = '=';
+ s2[5] = s2[6] = ']';
+ s2[7] = '\0';
+
+ return (fnmatch ((const char *)s2, (const char *)s1, 0));
+}
+#endif
+
+/* We use strcoll(3) for range comparisons in bracket expressions,
+ even though it can have unwanted side effects in locales
+ other than POSIX or US. For instance, in the de locale, [A-Z] matches
+ all characters. If GLOB_ASCIIRANGE is non-zero, and we're not forcing
+ the use of strcoll (e.g., for explicit collating symbols), we use
+ straight ordering as if in the C locale. */
+
+#if defined (HAVE_STRCOLL)
+/* Helper functions for collating symbol equivalence. */
+
+/* Return 0 if C1 == C2 or collates equally if FORCECOLL is non-zero. */
+static int
+charcmp (c1, c2, forcecoll)
+ int c1, c2;
+ int forcecoll;
+{
+ static char s1[2] = { ' ', '\0' };
+ static char s2[2] = { ' ', '\0' };
+ int ret;
+
+ /* Eight bits only. Period. */
+ c1 &= 0xFF;
+ c2 &= 0xFF;
+
+ if (c1 == c2)
+ return (0);
+
+ if (forcecoll == 0 && glob_asciirange)
+ return (c1 - c2);
+
+ s1[0] = c1;
+ s2[0] = c2;
+
+ return (strcoll (s1, s2));
+}
+
+static int
+rangecmp (c1, c2, forcecoll)
+ int c1, c2;
+ int forcecoll;
+{
+ int r;
+
+ r = charcmp (c1, c2, forcecoll);
+
+ /* We impose a total ordering here by returning c1-c2 if charcmp returns 0 */
+ if (r != 0)
+ return r;
+ return (c1 - c2); /* impose total ordering */
+}
+#else /* !HAVE_STRCOLL */
+# define rangecmp(c1, c2, f) ((int)(c1) - (int)(c2))
+#endif /* !HAVE_STRCOLL */
+
+#if defined (HAVE_STRCOLL)
+/* Returns 1 if chars C and EQUIV collate equally in the current locale. */
+static int
+collequiv (c, equiv)
+ int c, equiv;
+{
+ if (charcmp (c, equiv, 1) == 0)
+ return 1;
+
+#if FNMATCH_EQUIV_FALLBACK
+ return (_fnmatch_fallback (c, equiv) == 0);
+#else
+ return 0;
+#endif
+
+}
+#else
+# define collequiv(c, equiv) ((c) == (equiv))
+#endif
+
+#define _COLLSYM _collsym
+#define __COLLSYM __collsym
+#define POSIXCOLL posix_collsyms
+#include "collsyms.h"
+
+static int
+collsym (s, len)
+ CHAR *s;
+ int len;
+{
+ register struct _collsym *csp;
+ char *x;
+
+ x = (char *)s;
+ for (csp = posix_collsyms; csp->name; csp++)
+ {
+ if (STREQN(csp->name, x, len) && csp->name[len] == '\0')
+ return (csp->code);
+ }
+ if (len == 1)
+ return s[0];
+ return INVALID;
+}
+
+/* unibyte character classification */
+#if !defined (isascii) && !defined (HAVE_ISASCII)
+# define isascii(c) ((unsigned int)(c) <= 0177)
+#endif
+
+enum char_class
+ {
+ CC_NO_CLASS = 0,
+ CC_ASCII, CC_ALNUM, CC_ALPHA, CC_BLANK, CC_CNTRL, CC_DIGIT, CC_GRAPH,
+ CC_LOWER, CC_PRINT, CC_PUNCT, CC_SPACE, CC_UPPER, CC_WORD, CC_XDIGIT
+ };
+
+static char const *const cclass_name[] =
+ {
+ "",
+ "ascii", "alnum", "alpha", "blank", "cntrl", "digit", "graph",
+ "lower", "print", "punct", "space", "upper", "word", "xdigit"
+ };
+
+#define N_CHAR_CLASS (sizeof(cclass_name) / sizeof (cclass_name[0]))
+
+static enum char_class
+is_valid_cclass (name)
+ const char *name;
+{
+ enum char_class ret;
+ int i;
+
+ ret = CC_NO_CLASS;
+
+ for (i = 1; i < N_CHAR_CLASS; i++)
+ {
+ if (STREQ (name, cclass_name[i]))
+ {
+ ret = (enum char_class)i;
+ break;
+ }
+ }
+
+ return ret;
+}
+
+static int
+cclass_test (c, char_class)
+ int c;
+ enum char_class char_class;
+{
+ int result;
+
+ switch (char_class)
+ {
+ case CC_ASCII:
+ result = isascii (c);
+ break;
+ case CC_ALNUM:
+ result = ISALNUM (c);
+ break;
+ case CC_ALPHA:
+ result = ISALPHA (c);
+ break;
+ case CC_BLANK:
+ result = ISBLANK (c);
+ break;
+ case CC_CNTRL:
+ result = ISCNTRL (c);
+ break;
+ case CC_DIGIT:
+ result = ISDIGIT (c);
+ break;
+ case CC_GRAPH:
+ result = ISGRAPH (c);
+ break;
+ case CC_LOWER:
+ result = ISLOWER (c);
+ break;
+ case CC_PRINT:
+ result = ISPRINT (c);
+ break;
+ case CC_PUNCT:
+ result = ISPUNCT (c);
+ break;
+ case CC_SPACE:
+ result = ISSPACE (c);
+ break;
+ case CC_UPPER:
+ result = ISUPPER (c);
+ break;
+ case CC_WORD:
+ result = (ISALNUM (c) || c == '_');
+ break;
+ case CC_XDIGIT:
+ result = ISXDIGIT (c);
+ break;
+ default:
+ result = -1;
+ break;
+ }
+
+ return result;
+}
+
+static int
+is_cclass (c, name)
+ int c;
+ const char *name;
+{
+ enum char_class char_class;
+ int result;
+
+ char_class = is_valid_cclass (name);
+ if (char_class == CC_NO_CLASS)
+ return -1;
+
+ result = cclass_test (c, char_class);
+ return (result);
+}
+
+/* Now include `sm_loop.c' for single-byte characters. */
+/* The result of FOLD is an `unsigned char' */
+# define FOLD(c) ((flags & FNM_CASEFOLD) \
+ ? TOLOWER ((unsigned char)c) \
+ : ((unsigned char)c))
+
+#if !defined (__CYGWIN__)
+# define ISDIRSEP(c) ((c) == '/')
+#else
+# define ISDIRSEP(c) ((c) == '/' || (c) == '\\')
+#endif /* __CYGWIN__ */
+#define PATHSEP(c) (ISDIRSEP(c) || (c) == 0)
+
+# define PDOT_OR_DOTDOT(s) (s[0] == '.' && (PATHSEP (s[1]) || (s[1] == '.' && PATHSEP (s[2]))))
+# define SDOT_OR_DOTDOT(s) (s[0] == '.' && (s[1] == 0 || (s[1] == '.' && s[2] == 0)))
+
+#define FCT internal_strmatch
+#define GMATCH gmatch
+#define COLLSYM collsym
+#define PARSE_COLLSYM parse_collsym
+#define BRACKMATCH brackmatch
+#define PATSCAN glob_patscan
+#define STRCOMPARE strcompare
+#define EXTMATCH extmatch
+#define DEQUOTE_PATHNAME udequote_pathname
+#define STRUCT smat_struct
+#define STRCHR(S, C) strchr((S), (C))
+#define MEMCHR(S, C, N) memchr((S), (C), (N))
+#define STRCOLL(S1, S2) strcoll((S1), (S2))
+#define STRLEN(S) strlen(S)
+#define STRCMP(S1, S2) strcmp((S1), (S2))
+#define RANGECMP(C1, C2, F) rangecmp((C1), (C2), (F))
+#define COLLEQUIV(C1, C2) collequiv((C1), (C2))
+#define CTYPE_T enum char_class
+#define IS_CCLASS(C, S) is_cclass((C), (S))
+#include "sm_loop.c"
+
+#if HANDLE_MULTIBYTE
+
+# define CHAR wchar_t
+# define U_CHAR wint_t
+# define XCHAR wchar_t
+# define INT wint_t
+# define L(CS) L##CS
+# define INVALID WEOF
+
+# undef STREQ
+# undef STREQN
+# define STREQ(s1, s2) ((wcscmp (s1, s2) == 0))
+# define STREQN(a, b, n) ((a)[0] == (b)[0] && wcsncmp(a, b, n) == 0)
+
+extern char *mbsmbchar PARAMS((const char *));
+
+#if FNMATCH_EQUIV_FALLBACK
+/* Construct a string w1 = "c1" and a pattern w2 = "[[=c2=]]" and pass them
+ to fnmatch to see if wide characters c1 and c2 collate as members of the
+ same equivalence class. We can't really do this portably any other way */
+static int
+_fnmatch_fallback_wc (c1, c2)
+ wchar_t c1, c2; /* string char, patchar */
+{
+ char w1[MB_LEN_MAX+1]; /* string */
+ char w2[MB_LEN_MAX+8]; /* constructed pattern */
+ int l1, l2;
+
+ l1 = wctomb (w1, c1);
+ if (l1 == -1)
+ return (2);
+ w1[l1] = '\0';
+
+ /* reconstruct the pattern */
+ w2[0] = w2[1] = '[';
+ w2[2] = '=';
+ l2 = wctomb (w2+3, c2);
+ if (l2 == -1)
+ return (2);
+ w2[l2+3] = '=';
+ w2[l2+4] = w2[l2+5] = ']';
+ w2[l2+6] = '\0';
+
+ return (fnmatch ((const char *)w2, (const char *)w1, 0));
+}
+#endif
+
+static int
+charcmp_wc (c1, c2, forcecoll)
+ wint_t c1, c2;
+ int forcecoll;
+{
+ static wchar_t s1[2] = { L' ', L'\0' };
+ static wchar_t s2[2] = { L' ', L'\0' };
+ int r;
+
+ if (c1 == c2)
+ return 0;
+
+ if (forcecoll == 0 && glob_asciirange && c1 <= UCHAR_MAX && c2 <= UCHAR_MAX)
+ return ((int)(c1 - c2));
+
+ s1[0] = c1;
+ s2[0] = c2;
+
+ return (wcscoll (s1, s2));
+}
+
+static int
+rangecmp_wc (c1, c2, forcecoll)
+ wint_t c1, c2;
+ int forcecoll;
+{
+ int r;
+
+ r = charcmp_wc (c1, c2, forcecoll);
+
+ /* We impose a total ordering here by returning c1-c2 if charcmp returns 0,
+ as we do above in the single-byte case. */
+ if (r != 0 || forcecoll)
+ return r;
+ return ((int)(c1 - c2)); /* impose total ordering */
+}
+
+/* Returns 1 if wide chars C and EQUIV collate equally in the current locale. */
+static int
+collequiv_wc (c, equiv)
+ wint_t c, equiv;
+{
+ wchar_t s, p;
+
+ if (charcmp_wc (c, equiv, 1) == 0)
+ return 1;
+
+#if FNMATCH_EQUIV_FALLBACK
+/* We check explicitly for success (fnmatch returns 0) to avoid problems if
+ our local definition of FNM_NOMATCH (strmatch.h) doesn't match the
+ system's (fnmatch.h). We don't care about error return values here. */
+
+ s = c;
+ p = equiv;
+ return (_fnmatch_fallback_wc (s, p) == 0);
+#else
+ return 0;
+#endif
+}
+
+/* Helper function for collating symbol. */
+# define _COLLSYM _collwcsym
+# define __COLLSYM __collwcsym
+# define POSIXCOLL posix_collwcsyms
+# include "collsyms.h"
+
+static wint_t
+collwcsym (s, len)
+ wchar_t *s;
+ int len;
+{
+ register struct _collwcsym *csp;
+
+ for (csp = posix_collwcsyms; csp->name; csp++)
+ {
+ if (STREQN(csp->name, s, len) && csp->name[len] == L'\0')
+ return (csp->code);
+ }
+ if (len == 1)
+ return s[0];
+ return INVALID;
+}
+
+static int
+is_wcclass (wc, name)
+ wint_t wc;
+ wchar_t *name;
+{
+ char *mbs;
+ mbstate_t state;
+ size_t mbslength;
+ wctype_t desc;
+ int want_word;
+
+ if ((wctype ("ascii") == (wctype_t)0) && (wcscmp (name, L"ascii") == 0))
+ {
+ int c;
+
+ if ((c = wctob (wc)) == EOF)
+ return 0;
+ else
+ return (c <= 0x7F);
+ }
+
+ want_word = (wcscmp (name, L"word") == 0);
+ if (want_word)
+ name = L"alnum";
+
+ memset (&state, '\0', sizeof (mbstate_t));
+ mbs = (char *) malloc (wcslen(name) * MB_CUR_MAX + 1);
+ if (mbs == 0)
+ return -1;
+ mbslength = wcsrtombs (mbs, (const wchar_t **)&name, (wcslen(name) * MB_CUR_MAX + 1), &state);
+
+ if (mbslength == (size_t)-1 || mbslength == (size_t)-2)
+ {
+ free (mbs);
+ return -1;
+ }
+ desc = wctype (mbs);
+ free (mbs);
+
+ if (desc == (wctype_t)0)
+ return -1;
+
+ if (want_word)
+ return (iswctype (wc, desc) || wc == L'_');
+ else
+ return (iswctype (wc, desc));
+}
+
+/* Return 1 if there are no char class [:class:] expressions (degenerate case)
+ or only posix-specified (C locale supported) char class expressions in
+ PATTERN. These are the ones where it's safe to punt to the single-byte
+ code, since wide character support allows locale-defined char classes.
+ This only uses single-byte code, but is only needed to support multibyte
+ locales. */
+static int
+posix_cclass_only (pattern)
+ char *pattern;
+{
+ char *p, *p1;
+ char cc[16]; /* sufficient for all valid posix char class names */
+ enum char_class valid;
+
+ p = pattern;
+ while (p = strchr (p, '['))
+ {
+ if (p[1] != ':')
+ {
+ p++;
+ continue;
+ }
+ p += 2; /* skip past "[:" */
+ /* Find end of char class expression */
+ for (p1 = p; *p1; p1++)
+ if (*p1 == ':' && p1[1] == ']')
+ break;
+ if (*p1 == 0) /* no char class expression found */
+ break;
+ /* Find char class name and validate it against posix char classes */
+ if ((p1 - p) >= sizeof (cc))
+ return 0;
+ bcopy (p, cc, p1 - p);
+ cc[p1 - p] = '\0';
+ valid = is_valid_cclass (cc);
+ if (valid == CC_NO_CLASS)
+ return 0; /* found unrecognized char class name */
+
+ p = p1 + 2; /* found posix char class name */
+ }
+
+ return 1; /* no char class names or only posix */
+}
+
+/* Now include `sm_loop.c' for multibyte characters. */
+#define FOLD(c) ((flags & FNM_CASEFOLD) && iswupper (c) ? towlower (c) : (c))
+
+# if !defined (__CYGWIN__)
+# define ISDIRSEP(c) ((c) == L'/')
+# else
+# define ISDIRSEP(c) ((c) == L'/' || (c) == L'\\')
+# endif /* __CYGWIN__ */
+# define PATHSEP(c) (ISDIRSEP(c) || (c) == L'\0')
+
+# define PDOT_OR_DOTDOT(w) (w[0] == L'.' && (PATHSEP(w[1]) || (w[1] == L'.' && PATHSEP(w[2]))))
+# define SDOT_OR_DOTDOT(w) (w[0] == L'.' && (w[1] == L'\0' || (w[1] == L'.' && w[2] == L'\0')))
+
+#define FCT internal_wstrmatch
+#define GMATCH gmatch_wc
+#define COLLSYM collwcsym
+#define PARSE_COLLSYM parse_collwcsym
+#define BRACKMATCH brackmatch_wc
+#define PATSCAN glob_patscan_wc
+#define STRCOMPARE wscompare
+#define EXTMATCH extmatch_wc
+#define DEQUOTE_PATHNAME wcdequote_pathname
+#define STRUCT wcsmat_struct
+#define STRCHR(S, C) wcschr((S), (C))
+#define MEMCHR(S, C, N) wmemchr((S), (C), (N))
+#define STRCOLL(S1, S2) wcscoll((S1), (S2))
+#define STRLEN(S) wcslen(S)
+#define STRCMP(S1, S2) wcscmp((S1), (S2))
+#define RANGECMP(C1, C2, F) rangecmp_wc((C1), (C2), (F))
+#define COLLEQUIV(C1, C2) collequiv_wc((C1), (C2))
+#define CTYPE_T enum char_class
+#define IS_CCLASS(C, S) is_wcclass((C), (S))
+#include "sm_loop.c"
+
+#endif /* HAVE_MULTIBYTE */
+
+int
+xstrmatch (pattern, string, flags)
+ char *pattern;
+ char *string;
+ int flags;
+{
+#if HANDLE_MULTIBYTE
+ int ret;
+ size_t n;
+ wchar_t *wpattern, *wstring;
+ size_t plen, slen, mplen, mslen;
+
+ if (MB_CUR_MAX == 1)
+ return (internal_strmatch ((unsigned char *)pattern, (unsigned char *)string, flags));
+
+ if (mbsmbchar (string) == 0 && mbsmbchar (pattern) == 0 && posix_cclass_only (pattern))
+ return (internal_strmatch ((unsigned char *)pattern, (unsigned char *)string, flags));
+
+ n = xdupmbstowcs (&wpattern, NULL, pattern);
+ if (n == (size_t)-1 || n == (size_t)-2)
+ return (internal_strmatch ((unsigned char *)pattern, (unsigned char *)string, flags));
+
+ n = xdupmbstowcs (&wstring, NULL, string);
+ if (n == (size_t)-1 || n == (size_t)-2)
+ {
+ free (wpattern);
+ return (internal_strmatch ((unsigned char *)pattern, (unsigned char *)string, flags));
+ }
+
+ ret = internal_wstrmatch (wpattern, wstring, flags);
+
+ free (wpattern);
+ free (wstring);
+
+ return ret;
+#else
+ return (internal_strmatch ((unsigned char *)pattern, (unsigned char *)string, flags));
+#endif /* !HANDLE_MULTIBYTE */
+}
diff --git a/lib/glob/strmatch.c b/lib/glob/strmatch.c
new file mode 100644
index 0000000..5b7b49f
--- /dev/null
+++ b/lib/glob/strmatch.c
@@ -0,0 +1,79 @@
+/* strmatch.c -- ksh-like extended pattern matching for the shell and filename
+ globbing. */
+
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash 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 3 of the License, or
+ (at your option) any later version.
+
+ Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#include "stdc.h"
+#include "strmatch.h"
+
+extern int xstrmatch PARAMS((char *, char *, int));
+#if defined (HANDLE_MULTIBYTE)
+extern int internal_wstrmatch PARAMS((wchar_t *, wchar_t *, int));
+#endif
+
+int
+strmatch (pattern, string, flags)
+ char *pattern;
+ char *string;
+ int flags;
+{
+ if (string == 0 || pattern == 0)
+ return FNM_NOMATCH;
+
+ return (xstrmatch (pattern, string, flags));
+}
+
+#if defined (HANDLE_MULTIBYTE)
+int
+wcsmatch (wpattern, wstring, flags)
+ wchar_t *wpattern;
+ wchar_t *wstring;
+ int flags;
+{
+ if (wstring == 0 || wpattern == 0)
+ return (FNM_NOMATCH);
+
+ return (internal_wstrmatch (wpattern, wstring, flags));
+}
+#endif
+
+#ifdef TEST
+main (c, v)
+ int c;
+ char **v;
+{
+ char *string, *pat;
+
+ string = v[1];
+ pat = v[2];
+
+ if (strmatch (pat, string, 0) == 0)
+ {
+ printf ("%s matches %s\n", string, pat);
+ exit (0);
+ }
+ else
+ {
+ printf ("%s does not match %s\n", string, pat);
+ exit (1);
+ }
+}
+#endif
diff --git a/lib/glob/strmatch.h b/lib/glob/strmatch.h
new file mode 100644
index 0000000..d6a6b0f
--- /dev/null
+++ b/lib/glob/strmatch.h
@@ -0,0 +1,65 @@
+/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne-Again SHell.
+
+ Bash 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 3 of the License, or
+ (at your option) any later version.
+
+ Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _STRMATCH_H
+#define _STRMATCH_H 1
+
+#include <config.h>
+
+#include "stdc.h"
+
+/* We #undef these before defining them because some losing systems
+ (HP-UX A.08.07 for example) define these in <unistd.h>. */
+#undef FNM_PATHNAME
+#undef FNM_NOESCAPE
+#undef FNM_PERIOD
+
+/* Bits set in the FLAGS argument to `strmatch'. */
+
+/* standard flags are like fnmatch(3). */
+#define FNM_PATHNAME (1 << 0) /* No wildcard can ever match `/'. */
+#define FNM_NOESCAPE (1 << 1) /* Backslashes don't quote special chars. */
+#define FNM_PERIOD (1 << 2) /* Leading `.' is matched only explicitly. */
+
+/* extended flags not available in most libc fnmatch versions, but we undef
+ them to avoid any possible warnings. */
+#undef FNM_LEADING_DIR
+#undef FNM_CASEFOLD
+#undef FNM_EXTMATCH
+
+#define FNM_LEADING_DIR (1 << 3) /* Ignore `/...' after a match. */
+#define FNM_CASEFOLD (1 << 4) /* Compare without regard to case. */
+#define FNM_EXTMATCH (1 << 5) /* Use ksh-like extended matching. */
+
+#define FNM_FIRSTCHAR (1 << 6) /* Match only the first character */
+#define FNM_DOTDOT (1 << 7) /* force `.' and `..' to match explicitly even if FNM_PERIOD not supplied. */
+
+/* Value returned by `strmatch' if STRING does not match PATTERN. */
+#undef FNM_NOMATCH
+
+#define FNM_NOMATCH 1
+
+/* Match STRING against the filename pattern PATTERN,
+ returning zero if it matches, FNM_NOMATCH if not. */
+extern int strmatch PARAMS((char *, char *, int));
+
+#if HANDLE_MULTIBYTE
+extern int wcsmatch PARAMS((wchar_t *, wchar_t *, int));
+#endif
+
+#endif /* _STRMATCH_H */
diff --git a/lib/glob/xmbsrtowcs.c b/lib/glob/xmbsrtowcs.c
new file mode 100644
index 0000000..17250c3
--- /dev/null
+++ b/lib/glob/xmbsrtowcs.c
@@ -0,0 +1,523 @@
+/* xmbsrtowcs.c -- replacement function for mbsrtowcs */
+
+/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash 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 3 of the License, or
+ (at your option) any later version.
+
+ Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/* Ask for GNU extensions to get extern declaration for mbsnrtowcs if
+ available via glibc. */
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE 1
+#endif
+
+#include <config.h>
+
+#include <bashansi.h>
+
+/* <wchar.h>, <wctype.h> and <stdlib.h> are included in "shmbutil.h".
+ If <wchar.h>, <wctype.h>, mbsrtowcs(), exist, HANDLE_MULTIBYTE
+ is defined as 1. */
+#include <shmbutil.h>
+
+#if HANDLE_MULTIBYTE
+
+#include <errno.h>
+#if !defined (errno)
+extern int errno;
+#endif
+
+#define WSBUF_INC 32
+
+#ifndef FREE
+# define FREE(x) do { if (x) free (x); } while (0)
+#endif
+
+#if ! HAVE_STRCHRNUL
+extern char *strchrnul PARAMS((const char *, int));
+#endif
+
+/* On some locales (ex. ja_JP.sjis), mbsrtowc doesn't convert 0x5c to U<0x5c>.
+ So, this function is made for converting 0x5c to U<0x5c>. */
+
+static mbstate_t local_state;
+static int local_state_use = 0;
+
+size_t
+xmbsrtowcs (dest, src, len, pstate)
+ wchar_t *dest;
+ const char **src;
+ size_t len;
+ mbstate_t *pstate;
+{
+ mbstate_t *ps;
+ size_t mblength, wclength, n;
+
+ ps = pstate;
+ if (pstate == NULL)
+ {
+ if (!local_state_use)
+ {
+ memset (&local_state, '\0', sizeof(mbstate_t));
+ local_state_use = 1;
+ }
+ ps = &local_state;
+ }
+
+ n = strlen (*src);
+
+ if (dest == NULL)
+ {
+ wchar_t *wsbuf;
+ const char *mbs;
+ mbstate_t psbuf;
+
+ /* It doesn't matter if malloc fails here, since mbsrtowcs should do
+ the right thing with a NULL first argument. */
+ wsbuf = (wchar_t *) malloc ((n + 1) * sizeof(wchar_t));
+ mbs = *src;
+ psbuf = *ps;
+
+ wclength = mbsrtowcs (wsbuf, &mbs, n, &psbuf);
+
+ if (wsbuf)
+ free (wsbuf);
+ return wclength;
+ }
+
+ for (wclength = 0; wclength < len; wclength++, dest++)
+ {
+ if (mbsinit(ps))
+ {
+ if (**src == '\0')
+ {
+ *dest = L'\0';
+ *src = NULL;
+ return (wclength);
+ }
+ else if (**src == '\\')
+ {
+ *dest = L'\\';
+ mblength = 1;
+ }
+ else
+ mblength = mbrtowc(dest, *src, n, ps);
+ }
+ else
+ mblength = mbrtowc(dest, *src, n, ps);
+
+ /* Cannot convert multibyte character to wide character. */
+ if (mblength == (size_t)-1 || mblength == (size_t)-2)
+ return (size_t)-1;
+
+ *src += mblength;
+ n -= mblength;
+
+ /* The multibyte string has been completely converted,
+ including the terminating '\0'. */
+ if (*dest == L'\0')
+ {
+ *src = NULL;
+ break;
+ }
+ }
+
+ return (wclength);
+}
+
+#if HAVE_MBSNRTOWCS
+/* Convert a multibyte string to a wide character string. Memory for the
+ new wide character string is obtained with malloc.
+
+ Fast multiple-character version of xdupmbstowcs used when the indices are
+ not required and mbsnrtowcs is available. */
+
+static size_t
+xdupmbstowcs2 (destp, src)
+ wchar_t **destp; /* Store the pointer to the wide character string */
+ const char *src; /* Multibyte character string */
+{
+ const char *p; /* Conversion start position of src */
+ wchar_t *wsbuf; /* Buffer for wide characters. */
+ size_t wsbuf_size; /* Size of WSBUF */
+ size_t wcnum; /* Number of wide characters in WSBUF */
+ mbstate_t state; /* Conversion State */
+ size_t n, wcslength; /* Number of wide characters produced by the conversion. */
+ const char *end_or_backslash;
+ size_t nms; /* Number of multibyte characters to convert at one time. */
+ mbstate_t tmp_state;
+ const char *tmp_p;
+
+ memset (&state, '\0', sizeof(mbstate_t));
+
+ wsbuf_size = 0;
+ wsbuf = NULL;
+
+ p = src;
+ wcnum = 0;
+ do
+ {
+ end_or_backslash = strchrnul(p, '\\');
+ nms = end_or_backslash - p;
+ if (*end_or_backslash == '\0')
+ nms++;
+
+ /* Compute the number of produced wide-characters. */
+ tmp_p = p;
+ tmp_state = state;
+
+ if (nms == 0 && *p == '\\') /* special initial case */
+ nms = wcslength = 1;
+ else
+ wcslength = mbsnrtowcs (NULL, &tmp_p, nms, 0, &tmp_state);
+
+ if (wcslength == 0)
+ {
+ tmp_p = p; /* will need below */
+ tmp_state = state;
+ wcslength = 1; /* take a single byte */
+ }
+
+ /* Conversion failed. */
+ if (wcslength == (size_t)-1)
+ {
+ free (wsbuf);
+ *destp = NULL;
+ return (size_t)-1;
+ }
+
+ /* Resize the buffer if it is not large enough. */
+ if (wsbuf_size < wcnum+wcslength+1) /* 1 for the L'\0' or the potential L'\\' */
+ {
+ wchar_t *wstmp;
+
+ while (wsbuf_size < wcnum+wcslength+1) /* 1 for the L'\0' or the potential L'\\' */
+ wsbuf_size += WSBUF_INC;
+
+ wstmp = (wchar_t *) realloc (wsbuf, wsbuf_size * sizeof (wchar_t));
+ if (wstmp == NULL)
+ {
+ free (wsbuf);
+ *destp = NULL;
+ return (size_t)-1;
+ }
+ wsbuf = wstmp;
+ }
+
+ /* Perform the conversion. This is assumed to return 'wcslength'.
+ It may set 'p' to NULL. */
+ n = mbsnrtowcs(wsbuf+wcnum, &p, nms, wsbuf_size-wcnum, &state);
+
+ if (n == 0 && p == 0)
+ {
+ wsbuf[wcnum] = L'\0';
+ break;
+ }
+
+ /* Compensate for taking single byte on wcs conversion failure above. */
+ if (wcslength == 1 && (n == 0 || n == (size_t)-1))
+ {
+ state = tmp_state;
+ p = tmp_p;
+ wsbuf[wcnum] = *p;
+ if (*p == 0)
+ break;
+ else
+ {
+ wcnum++; p++;
+ }
+ }
+ else
+ wcnum += wcslength;
+
+ if (mbsinit (&state) && (p != NULL) && (*p == '\\'))
+ {
+ wsbuf[wcnum++] = L'\\';
+ p++;
+ }
+ }
+ while (p != NULL);
+
+ *destp = wsbuf;
+
+ /* Return the length of the wide character string, not including `\0'. */
+ return wcnum;
+}
+#endif /* HAVE_MBSNRTOWCS */
+
+/* Convert a multibyte string to a wide character string. Memory for the
+ new wide character string is obtained with malloc.
+
+ The return value is the length of the wide character string. Returns a
+ pointer to the wide character string in DESTP. If INDICESP is not NULL,
+ INDICESP stores the pointer to the pointer array. Each pointer is to
+ the first byte of each multibyte character. Memory for the pointer array
+ is obtained with malloc, too.
+ If conversion is failed, the return value is (size_t)-1 and the values
+ of DESTP and INDICESP are NULL. */
+
+size_t
+xdupmbstowcs (destp, indicesp, src)
+ wchar_t **destp; /* Store the pointer to the wide character string */
+ char ***indicesp; /* Store the pointer to the pointer array. */
+ const char *src; /* Multibyte character string */
+{
+ const char *p; /* Conversion start position of src */
+ wchar_t wc; /* Created wide character by conversion */
+ wchar_t *wsbuf; /* Buffer for wide characters. */
+ char **indices; /* Buffer for indices. */
+ size_t wsbuf_size; /* Size of WSBUF */
+ size_t wcnum; /* Number of wide characters in WSBUF */
+ mbstate_t state; /* Conversion State */
+
+ /* In case SRC or DESP is NULL, conversion doesn't take place. */
+ if (src == NULL || destp == NULL)
+ {
+ if (destp)
+ *destp = NULL;
+ if (indicesp)
+ *indicesp = NULL;
+ return (size_t)-1;
+ }
+
+#if HAVE_MBSNRTOWCS
+ if (indicesp == NULL)
+ return (xdupmbstowcs2 (destp, src));
+#endif
+
+ memset (&state, '\0', sizeof(mbstate_t));
+ wsbuf_size = WSBUF_INC;
+
+ wsbuf = (wchar_t *) malloc (wsbuf_size * sizeof(wchar_t));
+ if (wsbuf == NULL)
+ {
+ *destp = NULL;
+ if (indicesp)
+ *indicesp = NULL;
+ return (size_t)-1;
+ }
+
+ indices = NULL;
+ if (indicesp)
+ {
+ indices = (char **) malloc (wsbuf_size * sizeof(char *));
+ if (indices == NULL)
+ {
+ free (wsbuf);
+ *destp = NULL;
+ *indicesp = NULL;
+ return (size_t)-1;
+ }
+ }
+
+ p = src;
+ wcnum = 0;
+ do
+ {
+ size_t mblength; /* Byte length of one multibyte character. */
+
+ if (mbsinit (&state))
+ {
+ if (*p == '\0')
+ {
+ wc = L'\0';
+ mblength = 1;
+ }
+ else if (*p == '\\')
+ {
+ wc = L'\\';
+ mblength = 1;
+ }
+ else
+ mblength = mbrtowc(&wc, p, MB_LEN_MAX, &state);
+ }
+ else
+ mblength = mbrtowc(&wc, p, MB_LEN_MAX, &state);
+
+ /* Conversion failed. */
+ if (MB_INVALIDCH (mblength))
+ {
+ free (wsbuf);
+ FREE (indices);
+ *destp = NULL;
+ if (indicesp)
+ *indicesp = NULL;
+ return (size_t)-1;
+ }
+
+ ++wcnum;
+
+ /* Resize buffers when they are not large enough. */
+ if (wsbuf_size < wcnum)
+ {
+ wchar_t *wstmp;
+ char **idxtmp;
+
+ wsbuf_size += WSBUF_INC;
+
+ wstmp = (wchar_t *) realloc (wsbuf, wsbuf_size * sizeof (wchar_t));
+ if (wstmp == NULL)
+ {
+ free (wsbuf);
+ FREE (indices);
+ *destp = NULL;
+ if (indicesp)
+ *indicesp = NULL;
+ return (size_t)-1;
+ }
+ wsbuf = wstmp;
+
+ if (indicesp)
+ {
+ idxtmp = (char **) realloc (indices, wsbuf_size * sizeof (char *));
+ if (idxtmp == NULL)
+ {
+ free (wsbuf);
+ free (indices);
+ *destp = NULL;
+ if (indicesp)
+ *indicesp = NULL;
+ return (size_t)-1;
+ }
+ indices = idxtmp;
+ }
+ }
+
+ wsbuf[wcnum - 1] = wc;
+ if (indices)
+ indices[wcnum - 1] = (char *)p;
+ p += mblength;
+ }
+ while (MB_NULLWCH (wc) == 0);
+
+ /* Return the length of the wide character string, not including `\0'. */
+ *destp = wsbuf;
+ if (indicesp != NULL)
+ *indicesp = indices;
+
+ return (wcnum - 1);
+}
+
+/* Convert wide character string to multibyte character string. Treat invalid
+ wide characters as bytes. Used only in unusual circumstances.
+
+ Written by Bruno Haible <bruno@clisp.org>, 2008, adapted by Chet Ramey
+ for use in Bash. */
+
+/* Convert wide character string *SRCP to a multibyte character string and
+ store the result in DEST. Store at most LEN bytes in DEST. */
+size_t
+xwcsrtombs (char *dest, const wchar_t **srcp, size_t len, mbstate_t *ps)
+{
+ const wchar_t *src;
+ size_t cur_max; /* XXX - locale_cur_max */
+ char buf[64], *destptr, *tmp_dest;
+ unsigned char uc;
+ mbstate_t prev_state;
+
+ cur_max = MB_CUR_MAX;
+ if (cur_max > sizeof (buf)) /* Holy cow. */
+ return (size_t)-1;
+
+ src = *srcp;
+
+ if (dest != NULL)
+ {
+ destptr = dest;
+
+ for (; len > 0; src++)
+ {
+ wchar_t wc;
+ size_t ret;
+
+ wc = *src;
+ /* If we have room, store directly into DEST. */
+ tmp_dest = destptr;
+ ret = wcrtomb (len >= cur_max ? destptr : buf, wc, ps);
+
+ if (ret == (size_t)(-1)) /* XXX */
+ {
+ /* Since this is used for globbing and other uses of filenames,
+ treat invalid wide character sequences as bytes. This is
+ intended to be symmetric with xdupmbstowcs2. */
+handle_byte:
+ destptr = tmp_dest; /* in case wcrtomb modified it */
+ uc = wc;
+ ret = 1;
+ if (len >= cur_max)
+ *destptr = uc;
+ else
+ buf[0] = uc;
+ if (ps)
+ memset (ps, 0, sizeof (mbstate_t));
+ }
+
+ if (ret > cur_max) /* Holy cow */
+ goto bad_input;
+
+ if (len < ret)
+ break;
+
+ if (len < cur_max)
+ memcpy (destptr, buf, ret);
+
+ if (wc == 0)
+ {
+ src = NULL;
+ /* Here mbsinit (ps). */
+ break;
+ }
+ destptr += ret;
+ len -= ret;
+ }
+ *srcp = src;
+ return destptr - dest;
+ }
+ else
+ {
+ /* Ignore dest and len, don't store *srcp at the end, and
+ don't clobber *ps. */
+ mbstate_t state = *ps;
+ size_t totalcount = 0;
+
+ for (;; src++)
+ {
+ wchar_t wc;
+ size_t ret;
+
+ wc = *src;
+ ret = wcrtomb (buf, wc, &state);
+
+ if (ret == (size_t)(-1))
+ goto bad_input2;
+ if (wc == 0)
+ {
+ /* Here mbsinit (&state). */
+ break;
+ }
+ totalcount += ret;
+ }
+ return totalcount;
+ }
+
+bad_input:
+ *srcp = src;
+bad_input2:
+ errno = EILSEQ;
+ return (size_t)(-1);
+}
+
+#endif /* HANDLE_MULTIBYTE */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 20:10:21 +0000