vendor/libpcap/1.8.1

5 files changed, 261 insertions, 10 deletions

diff --git a/missing/getopt.c b/missing/getopt.c
new file mode 100644
index 0000000000000..cc798e1de84d3
--- /dev/null
+++ b/missing/getopt.c
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 1987, 1993, 1994
+ *	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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)getopt.c	8.3 (Berkeley) 4/27/95";
+#endif /* LIBC_SCCS and not lint */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "getopt.h"
+
+int	opterr = 1,		/* if error message should be printed */
+	optind = 1,		/* index into parent argv vector */
+	optopt,			/* character checked for validity */
+	optreset;		/* reset getopt */
+char	*optarg;		/* argument associated with option */
+
+#define	BADCH	(int)'?'
+#define	BADARG	(int)':'
+#define	EMSG	""
+
+/*
+ * getopt --
+ *	Parse argc/argv argument vector.
+ */
+int
+getopt(nargc, nargv, ostr)
+	int nargc;
+	char * const *nargv;
+	const char *ostr;
+{
+	char *cp;
+	static char *__progname;
+	static char *place = EMSG;		/* option letter processing */
+	char *oli;				/* option letter list index */
+
+	if (__progname == NULL) {
+		if ((cp = strrchr(nargv[0], '/')) != NULL)
+			__progname = cp + 1;
+		else
+			__progname = nargv[0];
+	}
+	if (optreset || !*place) {		/* update scanning pointer */
+		optreset = 0;
+		if (optind >= nargc || *(place = nargv[optind]) != '-') {
+			place = EMSG;
+			return (-1);
+		}
+		if (place[1] && *++place == '-') {	/* found "--" */
+			++optind;
+			place = EMSG;
+			return (-1);
+		}
+	}					/* option letter okay? */
+	if ((optopt = (int)*place++) == (int)':' ||
+	    !(oli = strchr(ostr, optopt))) {
+		/*
+		 * if the user didn't specify '-' as an option,
+		 * assume it means -1.
+		 */
+		if (optopt == (int)'-')
+			return (-1);
+		if (!*place)
+			++optind;
+		if (opterr && *ostr != ':')
+			(void)fprintf(stderr,
+			    "%s: illegal option -- %c\n", __progname, optopt);
+		return (BADCH);
+	}
+	if (*++oli != ':') {			/* don't need argument */
+		optarg = NULL;
+		if (!*place)
+			++optind;
+	}
+	else {					/* need an argument */
+		if (*place)			/* no white space */
+			optarg = place;
+		else if (nargc <= ++optind) {	/* no arg */
+			place = EMSG;
+			if (*ostr == ':')
+				return (BADARG);
+			if (opterr)
+				(void)fprintf(stderr,
+				    "%s: option requires an argument -- %c\n",
+				    __progname, optopt);
+			return (BADCH);
+		}
+	 	else				/* white space */
+			optarg = nargv[optind];
+		place = EMSG;
+		++optind;
+	}
+	return (optopt);			/* dump back option letter */
+}
diff --git a/missing/getopt.h b/missing/getopt.h
new file mode 100644
index 0000000000000..d176345ae20ba
--- /dev/null
+++ b/missing/getopt.h
@@ -0,0 +1,7 @@
+/*
+ * Header for the getopt() we supply if the platform doesn't supply it.
+ */
+extern char *optarg;			/* getopt(3) external variables */
+extern int optind, opterr, optopt;
+
+extern int getopt(int nargc, char * const *nargv, const char *ostr);
diff --git a/missing/snprintf.c b/missing/snprintf.c
index 9b63f8b1dcd0b..99f0bdfc2a930 100644
--- a/missing/snprintf.c
+++ b/missing/snprintf.c
@@ -456,13 +456,13 @@ xyzprintf (struct state *state, const char *char_format, va_list ap)
 
 #ifndef HAVE_SNPRINTF
 int
-snprintf (char *str, size_t sz, const char *format, ...)
+pcap_snprintf (char *str, size_t sz, const char *format, ...)
 {
   va_list args;
   int ret;
 
   va_start(args, format);
-  ret = vsnprintf (str, sz, format, args);
+  ret = pcap_vsnprintf (str, sz, format, args);
 
 #ifdef PARANOIA
   {
@@ -473,7 +473,7 @@ snprintf (char *str, size_t sz, const char *format, ...)
     if (tmp == NULL)
       abort ();
 
-    ret2 = vsprintf (tmp, format, args);
+    ret2 = pcap_vsprintf (tmp, format, args);
     if (ret != ret2 || strcmp(str, tmp))
       abort ();
     free (tmp);
@@ -518,13 +518,13 @@ asprintf (char **ret, const char *format, ...)
 
 #ifndef HAVE_ASNPRINTF
 int
-asnprintf (char **ret, size_t max_sz, const char *format, ...)
+pcap_asnprintf (char **ret, size_t max_sz, const char *format, ...)
 {
   va_list args;
   int val;
 
   va_start(args, format);
-  val = vasnprintf (ret, max_sz, format, args);
+  val = pcap_vasnprintf (ret, max_sz, format, args);
 
 #ifdef PARANOIA
   {
@@ -534,7 +534,7 @@ asnprintf (char **ret, size_t max_sz, const char *format, ...)
     if (tmp == NULL)
       abort ();
 
-    ret2 = vsprintf (tmp, format, args);
+    ret2 = pcap_vsprintf (tmp, format, args);
     if (val != ret2 || strcmp(*ret, tmp))
       abort ();
     free (tmp);
@@ -548,16 +548,16 @@ asnprintf (char **ret, size_t max_sz, const char *format, ...)
 
 #ifndef HAVE_VASPRINTF
 int
-vasprintf (char **ret, const char *format, va_list args)
+pcap_vasprintf (char **ret, const char *format, va_list args)
 {
-  return vasnprintf (ret, 0, format, args);
+  return pcap_vasnprintf (ret, 0, format, args);
 }
 #endif
 
 
 #ifndef HAVE_VASNPRINTF
 int
-vasnprintf (char **ret, size_t max_sz, const char *format, va_list args)
+pcap_vasnprintf (char **ret, size_t max_sz, const char *format, va_list args)
 {
   int st;
   size_t len;
@@ -600,7 +600,7 @@ vasnprintf (char **ret, size_t max_sz, const char *format, va_list args)
 
 #ifndef HAVE_VSNPRINTF
 int
-vsnprintf (char *str, size_t sz, const char *format, va_list args)
+pcap_vsnprintf (char *str, size_t sz, const char *format, va_list args)
 {
   struct state state;
   int ret;
diff --git a/missing/strtok_r.c b/missing/strtok_r.c
new file mode 100644
index 0000000000000..c9c94b95d832c
--- /dev/null
+++ b/missing/strtok_r.c
@@ -0,0 +1,87 @@
+/*-
+ * Copyright (c) 1998 Softweyr LLC.  All rights reserved.
+ *
+ * strtok_r, from Berkeley strtok
+ * Oct 13, 1998 by Wes Peters <wes@softweyr.com>
+ *
+ * Copyright (c) 1988, 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
+ *    notices, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notices, 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 SOFTWEYR LLC, 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 SOFTWEYR LLC, 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.
+ *
+ * From: @(#)strtok.c	8.1 (Berkeley) 6/4/93
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "portability.h"
+
+char *
+pcap_strtok_r(char *s, const char *delim, char **last)
+{
+	char *spanp, *tok;
+	int c, sc;
+
+	if (s == NULL && (s = *last) == NULL)
+		return (NULL);
+
+	/*
+	 * Skip (span) leading delimiters (s += strspn(s, delim), sort of).
+	 */
+cont:
+	c = *s++;
+	for (spanp = (char *)delim; (sc = *spanp++) != 0;) {
+		if (c == sc)
+			goto cont;
+	}
+
+	if (c == 0) {		/* no non-delimiter characters */
+		*last = NULL;
+		return (NULL);
+	}
+	tok = s - 1;
+
+	/*
+	 * Scan token (scan for delimiters: s += strcspn(s, delim), sort of).
+	 * Note that delim must have one NUL; we stop if we see that, too.
+	 */
+	for (;;) {
+		c = *s++;
+		spanp = (char *)delim;
+		do {
+			if ((sc = *spanp++) == c) {
+				if (c == 0)
+					s = NULL;
+				else
+					s[-1] = '\0';
+				*last = s;
+				return (tok);
+			}
+		} while (sc != 0);
+	}
+	/* NOTREACHED */
+}
diff --git a/missing/win_snprintf.c b/missing/win_snprintf.c
new file mode 100644
index 0000000000000..65a8ea1a5cd9e
--- /dev/null
+++ b/missing/win_snprintf.c
@@ -0,0 +1,31 @@
+#include <stdio.h>
+#include <stdarg.h>
+
+int
+pcap_vsnprintf(char *str, size_t str_size, const char *format, va_list args)
+{
+	int ret;
+
+	ret = _vsnprintf_s(str, str_size, _TRUNCATE, format, args);
+
+	/*
+	 * XXX - _vsnprintf() and _snprintf() do *not* guarantee
+	 * that str is null-terminated, but C99's vsnprintf()
+	 * and snprintf() do, and we want to offer C99 behavior,
+	 * so forcibly null-terminate the string.
+	 */
+	str[str_size - 1] = '\0';
+	return (ret);
+}
+
+int
+pcap_snprintf(char *str, size_t str_size, const char *format, ...)
+{
+	va_list args;
+	int ret;
+
+	va_start(args, format);
+	ret = pcap_vsnprintf(str, str_size, format, args);
+	va_end(args);
+	return (ret);
+}