X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Frealloc.c;h=d0d3e4ab07c242e9ca96710be79c703bd181895b;hb=3c3d25cda666d07b6b0d3c3f998e3e652d79cf2d;hp=1f82e75aa9baa3ce7c4330c8d98c39234fcec53c;hpb=66d38967ea1995b22c06fbe3645b685b081355ce;p=gnulib.git

diff --git a/lib/realloc.c b/lib/realloc.c
index 1f82e75aa..d0d3e4ab0 100644
--- a/lib/realloc.c
+++ b/lib/realloc.c
@@ -1,4 +1,4 @@
-/* Work around bug on some systems where realloc (NULL, n) fails.
+/* Work around bug on some systems where realloc (NULL, 0) fails.
    Copyright (C) 1997 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
@@ -28,13 +28,16 @@ char *malloc ();
 char *realloc ();
 
 /* Change the size of an allocated block of memory P to N bytes,
-   with error checking.  If P is NULL, use malloc.  */
+   with error checking.  If N is zero, change it to 1.  If P is NULL,
+   use malloc.  */
 
 char *
 rpl_realloc (p, n)
      char *p;
      size_t n;
 {
+  if (n == 0)
+    n = 1;
   if (p == 0)
     return malloc (n);
   return realloc (p, n);