Don't include <config.h> twice; this doesn't work in some cases,

[gnulib.git] / lib / getgroups.c

diff --git a/lib/getgroups.c b/lib/getgroups.c
index e27cadc..615bd4f 100644 (file)
--- a/lib/getgroups.c
+++ b/lib/getgroups.c
@@ -1,5 +1,6 @@
 /* provide consistent interface to getgroups for systems that don't allow N==0
-   Copyright (C) 1996, 1999, 2003 Free Software Foundation, Inc.
+
+   Copyright (C) 1996, 1999, 2003, 2006 Free Software Foundation, Inc.
 
    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
@@ -13,11 +14,12 @@
 
    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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
 
 /* written by Jim Meyering */
 
 #include <config.h>
+
 #include <stdio.h>
 #include <sys/types.h>
 #include <errno.h>
@@ -43,16 +45,16 @@ 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;
     }