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-rw-r--r--string/argz-ctsep.c47
1 files changed, 28 insertions, 19 deletions
diff --git a/string/argz-ctsep.c b/string/argz-ctsep.c
index 9560591cb3..461b9beb87 100644
--- a/string/argz-ctsep.c
+++ b/string/argz-ctsep.c
@@ -1,21 +1,21 @@
 /* Copyright (C) 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
-Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
 
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
 
-The GNU C Library 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
-Library General Public License for more details.
+   The GNU C Library 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
+   Library General Public License for more details.
 
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
 
 #include <argz.h>
 #include <errno.h>
@@ -28,11 +28,11 @@ __argz_create_sep (const char *string, int delim, char **argz, size_t *len)
 {
   size_t nlen = strlen (string) + 1;
 
-  if (nlen != 0)
+  if (nlen > 1)
     {
       const char *rp;
       char *wp;
-      
+
       *argz = (char *) malloc (nlen);
       if (*argz == NULL)
 	return ENOMEM;
@@ -50,10 +50,19 @@ __argz_create_sep (const char *string, int delim, char **argz, size_t *len)
 	else
 	  *wp++ = *rp;
       while (*rp++ != '\0');
+
+      if (nlen == 0)
+	{
+	  free (*argz);
+	  *argz = NULL;
+	  *len = 0;
+	}
+    }
+  else
+    {
+      *argz = NULL;
+      *len = 0;
     }
-  if (nlen == 0)
-    *argz = NULL;
-  *len = nlen;
 
   return 0;
 }