Imported Upstream version 1.4.15

gl/strsep.c

@@ -0,0 +1,58 @@
+/* Copyright (C) 2004, 2007, 2009, 2010 Free Software Foundation, Inc.
+
+   Written by Yoann Vandoorselaere <yoann@prelude-ids.org>.
+
+   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, 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
+
+/* Specification.  */
+#include <string.h>
+
+char *
+strsep (char **stringp, const char *delim)
+{
+  char *start = *stringp;
+  char *ptr;
+
+  if (start == NULL)
+    return NULL;
+
+  /* Optimize the case of no delimiters.  */
+  if (delim[0] == '\0')
+    {
+      *stringp = NULL;
+      return start;
+    }
+
+  /* Optimize the case of one delimiter.  */
+  if (delim[1] == '\0')
+    ptr = strchr (start, delim[0]);
+  else
+    /* The general case.  */
+    ptr = strpbrk (start, delim);
+  if (ptr == NULL)
+    {
+      *stringp = NULL;
+      return start;
+    }
+
+  *ptr = '\0';
+  *stringp = ptr + 1;
+
+  return start;
+}