X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fgetgroups.c;h=0f951b73baa61fcdfa6c71dcd5b398d838898a13;hb=e1bb3dab9a2dca414eab231c33afd3fad19e7924;hp=e27cadc3e93289c7e56b597300fa491730cb96ec;hpb=d84291b279f16cd0cdf100b2709c50eb92b2ea23;p=gnulib.git

diff --git a/lib/getgroups.c b/lib/getgroups.c
index e27cadc3e..0f951b73b 100644
--- a/lib/getgroups.c
+++ b/lib/getgroups.c
@@ -43,16 +43,16 @@ getgroups (int n, GETGROUPS_T *group)
     return getgroups (n, group);
 
   n = 20;
-  gbuf = NULL;
   while (1)
     {
       /* No need to worry about address arithmetic overflow here,
 	 since the ancient systems that we're running on have low
 	 limits on the number of secondary groups.  */
-      gbuf = xrealloc (gbuf, n * sizeof (GETGROUPS_T));
+      gbuf = xmalloc (n * sizeof *gbuf);
       n_groups = getgroups (n, gbuf);
       if (n_groups < n)
 	break;
+      free (gbuf);
       n += 10;
     }