X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fstrsep.c;h=9f2fdd2b57a040c8510babaa50a168dfea3118d8;hb=ba4000b09804294e46373afb2003744612096a20;hp=db2b074c853094185752c97f4beeb557489d4bac;hpb=222b0486b7db1b09293e05512873d633440efcb3;p=gnulib.git

diff --git a/lib/strsep.c b/lib/strsep.c
index db2b074c8..9f2fdd2b5 100644
--- a/lib/strsep.c
+++ b/lib/strsep.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2004, 2007 Free Software Foundation, Inc.
 
    Written by Yoann Vandoorselaere <yoann@prelude-ids.org>.
 
@@ -21,31 +21,34 @@
 #endif
 
 /* Specification.  */
-#include "strsep.h"
-
 #include <string.h>
 
-#include "strpbrk.h"
-
 char *
 strsep (char **stringp, const char *delim)
 {
   char *start = *stringp;
   char *ptr;
 
-  if (!start)
+  if (start == NULL)
     return NULL;
 
-  if (!*delim)
-    ptr = start + strlen (start);
+  /* 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)
     {
-      ptr = strpbrk (start, delim);
-      if (!ptr)
-	{
-	  *stringp = NULL;
-	  return start;
-	}
+      *stringp = NULL;
+      return start;
     }
 
   *ptr = '\0';