Add strtok_r() replacement

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

compat/strtok_r.c

+/*****************************************************************************
+ * strtok_r.c: POSIX strtok_r() replacement
+ *****************************************************************************
+ * Copyright © 1998-2009 the VideoLAN project
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <string.h>
+
+char *strtok_r(char *s, const char *delim, char **save_ptr)
+{
+	char *token;
+
+	if (s == NULL)
+		s = *save_ptr;
+
+	/* Scan leading delimiters. */
+	s += strspn (s, delim);
+	if (*s == '\0')
+		return NULL;
+
+	/* Find the end of the token. */
+	token = s;
+	s = strpbrk (token, delim);
+	if (s == NULL)
+		/* This token finishes the string. */
+		*save_ptr = strchr (token, '\0');
+	else
+	{
+		/* Terminate the token and make *SAVE_PTR point past it. */
+		*s = '\0';
+		*save_ptr = s + 1;
+	}
+	return token;
+}

configure.ac

@@ -576,7 +576,7 @@ need_libc=false
 dnl Check for usual libc functions
 AC_CHECK_FUNCS([gettimeofday isatty sigrelse getpwuid_r memalign posix_memalign if_nametoindex getenv putenv setenv ctime_r daemon fork lstat posix_fadvise posix_madvise uselocale])
 AC_CHECK_FUNCS(fcntl)
-AC_REPLACE_FUNCS([asprintf atof atoll getcwd getpid gmtime_r lldiv localtime_r rewind strcasecmp strcasestr strdup strlcpy strncasecmp strndup strnlen strsep strtof strtoll vasprintf swab])
+AC_REPLACE_FUNCS([asprintf atof atoll getcwd getpid gmtime_r lldiv localtime_r rewind strcasecmp strcasestr strdup strlcpy strncasecmp strndup strnlen strsep strtof strtok_r strtoll vasprintf swab])
 AC_CHECK_FUNCS([stricmp strnicmp])
 AC_CHECK_FUNCS(fdatasync,,
   [AC_DEFINE(fdatasync, fsync, [Alias fdatasync() to fsync() if missing.])

include/vlc_fixups.h

@@ -146,6 +146,10 @@ char *getcwd (char *buf, size_t size);
 pid_t getpid (void);
 #endif
 
+#ifndef HAVE_STRTOK_R
+char *strtok_r(char *, const char *, char **);
+#endif
+
 #ifdef __cplusplus
 } /* extern "C" */
 #endif