Adding upstream version 1.0.18.upstream/1.0.18upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

15 files changed, 1318 insertions, 0 deletions

diff --git a/src/compat/Makefile.am b/src/compat/Makefile.am
new file mode 100644
index 0000000..3717edd
--- /dev/null
+++ b/src/compat/Makefile.am
@@ -0,0 +1,8 @@
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new file mode 100644
index 0000000..55187e0
--- /dev/null
+++ b/src/compat/Makefile.in
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+@am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.obj$$||'`;\
+@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ `$(CYGPATH_W) '$<'` &&\
+@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
+
+.c.lo:
+@am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.lo$$||'`;\
+@am__fastdepCC_TRUE@	$(LTCOMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LTLIBRARIES)
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f $(DEPDIR)/asprintf.Plo
+	-rm -f $(DEPDIR)/daemon.Plo
+	-rm -f $(DEPDIR)/getline.Plo
+	-rm -f $(DEPDIR)/malloc.Plo
+	-rm -f $(DEPDIR)/realloc.Plo
+	-rm -f $(DEPDIR)/setproctitle.Plo
+	-rm -f $(DEPDIR)/strlcpy.Plo
+	-rm -f $(DEPDIR)/strndup.Plo
+	-rm -f $(DEPDIR)/strnlen.Plo
+	-rm -f $(DEPDIR)/strtonum.Plo
+	-rm -f $(DEPDIR)/vsyslog.Plo
+	-rm -f ./$(DEPDIR)/empty.Plo
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f $(DEPDIR)/asprintf.Plo
+	-rm -f $(DEPDIR)/daemon.Plo
+	-rm -f $(DEPDIR)/getline.Plo
+	-rm -f $(DEPDIR)/malloc.Plo
+	-rm -f $(DEPDIR)/realloc.Plo
+	-rm -f $(DEPDIR)/setproctitle.Plo
+	-rm -f $(DEPDIR)/strlcpy.Plo
+	-rm -f $(DEPDIR)/strndup.Plo
+	-rm -f $(DEPDIR)/strnlen.Plo
+	-rm -f $(DEPDIR)/strtonum.Plo
+	-rm -f $(DEPDIR)/vsyslog.Plo
+	-rm -f ./$(DEPDIR)/empty.Plo
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-noinstLTLIBRARIES \
+	cscopelist-am ctags ctags-am distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-ps install-ps-am install-strip \
+	installcheck installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/compat/asprintf.c b/src/compat/asprintf.c
new file mode 100644
index 0000000..58c5dae
--- /dev/null
+++ b/src/compat/asprintf.c
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2004 Darren Tucker.
+ *
+ * Based originally on asprintf.c from OpenBSD:
+ * Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <limits.h>
+#include "compat.h"
+
+#define INIT_SZ 128
+
+int
+vasprintf(char **str, const char *fmt, va_list ap)
+{
+	int ret = -1;
+	va_list ap2;
+	char *string, *newstr;
+	size_t len;
+
+	va_copy(ap2, ap);
+	if ((string = malloc(INIT_SZ)) == NULL) goto fail;
+
+	ret = vsnprintf(string, INIT_SZ, fmt, ap2);
+	if (ret >= 0 && ret < INIT_SZ) { /* succeeded with initial alloc */
+		*str = string;
+	} else if (ret == INT_MAX || ret < 0) { /* Bad length */
+		free(string);
+		goto fail;
+	} else { /* bigger than initial, realloc allowing for nul */
+		len = (size_t)ret + 1;
+		if ((newstr = realloc(string, len)) == NULL) {
+			free(string);
+			goto fail;
+		} else {
+			va_end(ap2);
+			va_copy(ap2, ap);
+			ret = vsnprintf(newstr, len, fmt, ap2);
+			if (ret >= 0 && (size_t)ret < len) {
+				*str = newstr;
+			} else { /* failed with realloc'ed string, give up */
+				free(newstr);
+				goto fail;
+			}
+		}
+	}
+	va_end(ap2);
+	return (ret);
+
+fail:
+	*str = NULL;
+	errno = ENOMEM;
+	va_end(ap2);
+	return (-1);
+}
+
+int
+asprintf(char **str, const char *fmt, ...)
+{
+	va_list ap;
+	int ret;
+
+	*str = NULL;
+	va_start(ap, fmt);
+	ret = vasprintf(str, fmt, ap);
+	va_end(ap);
+
+	return ret;
+}
diff --git a/src/compat/compat.h b/src/compat/compat.h
new file mode 100644
index 0000000..91ff4ad
--- /dev/null
+++ b/src/compat/compat.h
@@ -0,0 +1,93 @@
+/* -*- mode: c; c-file-style: "openbsd" -*- */
+/*
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)queue.h	8.5 (Berkeley) 8/20/94
+ */
+
+#ifndef _COMPAT_H
+#define _COMPAT_H
+
+#if HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stddef.h>
+#include <stdarg.h>
+#include <string.h>
+#include <unistd.h>
+
+#undef getopt
+
+#if !HAVE_ASPRINTF
+int vasprintf(char **, const char *, va_list) __attribute__((format(printf, 2, 0)));
+int asprintf(char **, const char *, ...) __attribute__((format(printf, 2, 3)));
+#endif
+
+#if !HAVE_VSYSLOG
+void vsyslog(int, const char *, va_list) __attribute__((format(printf, 2, 0)));
+#endif
+
+#if !HAVE_DAEMON
+int daemon(int, int);
+#endif
+
+#if !HAVE_STRLCPY
+size_t strlcpy(char *, const char *, size_t);
+#endif
+
+#if !HAVE_STRNLEN
+size_t strnlen(const char *, size_t);
+#endif
+
+#if !HAVE_STRNDUP
+char *strndup(const char *, size_t);
+#endif
+
+#if !HAVE_STRTONUM
+long long strtonum(const char *, long long, long long, const char **);
+#endif
+
+#if !HAVE_GETLINE
+ssize_t getline(char **, size_t *, FILE *);
+#endif
+
+#if !HAVE_SETPROCTITLE
+void setproctitle(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
+#endif
+
+#if !HAVE_MALLOC
+void *malloc(size_t size);
+#endif
+
+#if !HAVE_REALLOC
+void *realloc(void *ptr, size_t size);
+#endif
+
+#endif
diff --git a/src/compat/daemon.c b/src/compat/daemon.c
new file mode 100644
index 0000000..5b7f980
--- /dev/null
+++ b/src/compat/daemon.c
@@ -0,0 +1,66 @@
+/*	$OpenBSD: daemon.c,v 1.6 2005/08/08 08:05:33 espie Exp $ */
+/*-
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/* OPENBSD ORIGINAL: lib/libc/gen/daemon.c */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include "compat.h"
+
+int
+daemon(int nochdir, int noclose)
+{
+	int fd;
+
+	switch (fork()) {
+	case -1:
+		return (-1);
+	case 0:
+		break;
+	default:
+		_exit(0);
+	}
+
+	if (setsid() == -1) return (-1);
+
+	if (!nochdir) (void)chdir("/");
+
+	/* coverity[resource_leak]
+	   fd may be leaked if < 2, it's expected */
+	if (!noclose && (fd = open("/dev/null", O_RDWR, 0)) != -1) {
+		(void)dup2(fd, STDIN_FILENO);
+		(void)dup2(fd, STDOUT_FILENO);
+		(void)dup2(fd, STDERR_FILENO);
+		if (fd > 2) (void)close(fd);
+	}
+	return (0);
+}
diff --git a/src/compat/empty.c b/src/compat/empty.c
new file mode 100644
index 0000000..85d5837
--- /dev/null
+++ b/src/compat/empty.c
@@ -0,0 +1,21 @@
+/* -*- mode: c; c-file-style: "openbsd" -*- */
+/*
+ * Copyright (c) 2013 Vincent Bernat <bernat@luffy.cx>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* Some versions of ar don't like to build a library from
+ * nothing. This happens on Mac OS X where we don't need any
+ * compatibility layer. So, we put a tiny variable. Just here. */
+int __lldpd_int_zero = 0;
diff --git a/src/compat/getline.c b/src/compat/getline.c
new file mode 100644
index 0000000..a3e6047
--- /dev/null
+++ b/src/compat/getline.c
@@ -0,0 +1,106 @@
+/* -*- mode: c; c-file-style: "openbsd" -*- */
+/*
+ * Copyright (c) 2009 The NetBSD Foundation, Inc.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Roy Marples.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* Several modifications to make the code more portable (and less robust and far less
+ * efficient) */
+
+#include <stdio.h>
+#include <errno.h>
+#include <limits.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "compat.h"
+
+#define MINBUF 128
+
+static ssize_t
+___getdelim(char **buf, size_t *buflen, int sep, FILE *fp)
+{
+	int p;
+	size_t len = 0, newlen;
+	char *newb;
+
+	if (buf == NULL || buflen == NULL) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	/* If buf is NULL, we have to assume a size of zero */
+	if (*buf == NULL) *buflen = 0;
+
+	do {
+		p = fgetc(fp);
+		if (ferror(fp)) return -1;
+		if (p == EOF) break;
+
+		/* Ensure we can handle it */
+		if (len > SSIZE_MAX) {
+			errno = EOVERFLOW;
+			return -1;
+		}
+		newlen = len + 2; /* reserve space for NUL terminator */
+		if (newlen > *buflen) {
+			if (newlen < MINBUF) newlen = MINBUF;
+#define powerof2(x) ((((x)-1) & (x)) == 0)
+			if (!powerof2(newlen)) {
+				/* Grow the buffer to the next power of 2 */
+				newlen--;
+				newlen |= newlen >> 1;
+				newlen |= newlen >> 2;
+				newlen |= newlen >> 4;
+				newlen |= newlen >> 8;
+				newlen |= newlen >> 16;
+#if SIZE_MAX > 0xffffffffU
+				newlen |= newlen >> 32;
+#endif
+				newlen++;
+			}
+
+			newb = realloc(*buf, newlen);
+			if (newb == NULL) return -1;
+			*buf = newb;
+			*buflen = newlen;
+		}
+
+		(*buf)[len++] = p;
+	} while (p != sep);
+
+	/* POSIX demands we return -1 on EOF. */
+	if (len == 0) return -1;
+
+	if (*buf != NULL) (*buf)[len] = '\0';
+	return (ssize_t)len;
+}
+
+ssize_t
+getline(char **buf, size_t *buflen, FILE *fp)
+{
+	return ___getdelim(buf, buflen, '\n', fp);
+}
diff --git a/src/compat/malloc.c b/src/compat/malloc.c
new file mode 100644
index 0000000..0c8bb2c
--- /dev/null
+++ b/src/compat/malloc.c
@@ -0,0 +1,16 @@
+/* -*- mode: c; c-file-style: "openbsd" -*- */
+/* malloc replacement that can allocate 0 byte */
+
+#undef malloc
+#include <stdlib.h>
+#include <sys/types.h>
+#include "compat.h"
+
+/* Allocate an N-byte block of memory from the heap.
+   If N is zero, allocate a 1-byte block.  */
+void *
+rpl_malloc(size_t n)
+{
+	if (n == 0) n = 1;
+	return malloc(n);
+}
diff --git a/src/compat/realloc.c b/src/compat/realloc.c
new file mode 100644
index 0000000..4d74064
--- /dev/null
+++ b/src/compat/realloc.c
@@ -0,0 +1,17 @@
+/* -*- mode: c; c-file-style: "openbsd" -*- */
+/* realloc replacement that can reallocate 0 byte or NULL pointers*/
+
+#undef realloc
+#include <stdlib.h>
+#include <sys/types.h>
+#include "compat.h"
+
+/* Reallocate an N-byte block of memory from the heap.
+   If N is zero, allocate a 1-byte block.  */
+void *
+rpl_realloc(void *ptr, size_t n)
+{
+	if (!ptr) return malloc(n);
+	if (n == 0) n = 1;
+	return realloc(ptr, n);
+}
diff --git a/src/compat/setproctitle.c b/src/compat/setproctitle.c
new file mode 100644
index 0000000..c5e40ec
--- /dev/null
+++ b/src/compat/setproctitle.c
@@ -0,0 +1,9 @@
+/* -*- mode: c; c-file-style: "openbsd" -*- */
+
+#include "compat.h"
+
+void
+setproctitle(const char *fmt, ...)
+{
+	/* Do nothing. */
+}
diff --git a/src/compat/strlcpy.c b/src/compat/strlcpy.c
new file mode 100644
index 0000000..dda982f
--- /dev/null
+++ b/src/compat/strlcpy.c
@@ -0,0 +1,51 @@
+/* -*- mode: c; c-file-style: "openbsd" -*- */
+/*	$OpenBSD: strlcpy.c,v 1.11 2006/05/05 15:27:38 millert Exp $	*/
+
+/*
+ * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+#include <string.h>
+#include "compat.h"
+
+/*
+ * Copy src to string dst of size siz.  At most siz-1 characters
+ * will be copied.  Always NUL terminates (unless siz == 0).
+ * Returns strlen(src); if retval >= siz, truncation occurred.
+ */
+size_t
+strlcpy(char *dst, const char *src, size_t siz)
+{
+	char *d = dst;
+	const char *s = src;
+	size_t n = siz;
+
+	/* Copy as many bytes as will fit */
+	if (n != 0) {
+		while (--n != 0) {
+			if ((*d++ = *s++) == '\0') break;
+		}
+	}
+
+	/* Not enough room in dst, add NUL and traverse rest of src */
+	if (n == 0) {
+		if (siz != 0) *d = '\0'; /* NUL-terminate dst */
+		while (*s++)
+			;
+	}
+
+	return (s - src - 1); /* count does not include NUL */
+}
diff --git a/src/compat/strndup.c b/src/compat/strndup.c
new file mode 100644
index 0000000..1db7069
--- /dev/null
+++ b/src/compat/strndup.c
@@ -0,0 +1,24 @@
+/* -*- mode: c; c-file-style: "openbsd" -*- */
+
+#include <stdlib.h>
+#include <string.h>
+#include "compat.h"
+
+/*
+ * Similar to `strdup()` but copies at most n bytes.
+ */
+char *
+strndup(const char *string, size_t maxlen)
+{
+	char *result;
+	/* We may use `strnlen()` but it may be unavailable. */
+	const char *end = memchr(string, '\0', maxlen);
+	size_t len = end ? (size_t)(end - string) : maxlen;
+
+	result = malloc(len + 1);
+	if (!result) return 0;
+
+	memcpy(result, string, len);
+	result[len] = '\0';
+	return result;
+}
diff --git a/src/compat/strnlen.c b/src/compat/strnlen.c
new file mode 100644
index 0000000..07db4a4
--- /dev/null
+++ b/src/compat/strnlen.c
@@ -0,0 +1,15 @@
+/* -*- mode: c; c-file-style: "openbsd" -*- */
+
+#include <string.h>
+#include "compat.h"
+
+/*
+ * Determine the length of a fixed-size string. This is really a
+ * wrapper around `memchr()`.
+ */
+size_t
+strnlen(const char *string, size_t maxlen)
+{
+	const char *end = memchr(string, '\0', maxlen);
+	return end ? (size_t)(end - string) : maxlen;
+}
diff --git a/src/compat/strtonum.c b/src/compat/strtonum.c
new file mode 100644
index 0000000..aed36b9
--- /dev/null
+++ b/src/compat/strtonum.c
@@ -0,0 +1,65 @@
+/* -*- mode: c; c-file-style: "openbsd" -*- */
+
+/*	$OpenBSD: strtonum.c,v 1.8 2015/09/13 08:31:48 guenther Exp $	*/
+
+/*
+ * Copyright (c) 2004 Ted Unangst and Todd Miller
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <errno.h>
+#include <limits.h>
+#include <stdlib.h>
+#include "compat.h"
+
+#define INVALID 1
+#define TOOSMALL 2
+#define TOOLARGE 3
+
+long long
+strtonum(const char *numstr, long long minval, long long maxval, const char **errstrp)
+{
+	long long ll = 0;
+	int error = 0;
+	char *ep;
+	struct errval {
+		const char *errstr;
+		int err;
+	} ev[4] = {
+		{ NULL, 0 },
+		{ "invalid", EINVAL },
+		{ "too small", ERANGE },
+		{ "too large", ERANGE },
+	};
+
+	ev[0].err = errno;
+	errno = 0;
+	if (minval > maxval) {
+		error = INVALID;
+	} else {
+		ll = strtoll(numstr, &ep, 10);
+		if (numstr == ep || *ep != '\0')
+			error = INVALID;
+		else if ((ll == LLONG_MIN && errno == ERANGE) || ll < minval)
+			error = TOOSMALL;
+		else if ((ll == LLONG_MAX && errno == ERANGE) || ll > maxval)
+			error = TOOLARGE;
+	}
+	if (errstrp != NULL) *errstrp = ev[error].errstr;
+	errno = ev[error].err;
+	if (error) ll = 0;
+
+	return (ll);
+}
diff --git a/src/compat/vsyslog.c b/src/compat/vsyslog.c
new file mode 100644
index 0000000..a3209cb
--- /dev/null
+++ b/src/compat/vsyslog.c
@@ -0,0 +1,17 @@
+/* -*- mode: c; c-file-style: "openbsd" -*- */
+
+#include <stdlib.h>
+#include <syslog.h>
+#include "compat.h"
+
+/* vsyslog() doesn't exist on HP-UX */
+void
+vsyslog(int facility, const char *format, va_list ap)
+{
+	char *msg = NULL;
+	if (vasprintf(&msg, format, ap) == -1) {
+		return;
+	}
+	syslog(facility, "%s", msg);
+	free(msg);
+}