X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fgetugroups.c;h=b266bb8c320108144069dcc1066c007224da52bf;hb=e8e63d1b31bca6c82713cba490b21a861abb24b5;hp=6c557cdf341fa55c5d9c2e338a4f3910a34b9552;hpb=57fdfd3f8ec62b105c53bcdf6f127c35c7fe7391;p=gnulib.git

diff --git a/lib/getugroups.c b/lib/getugroups.c
index 6c557cdf3..b266bb8c3 100644
--- a/lib/getugroups.c
+++ b/lib/getugroups.c
@@ -1,6 +1,6 @@
 /* getugroups.c -- return a list of the groups a user is in
 
-   Copyright (C) 1990, 1991, 1998-2000, 2003-2007 Free Software Foundation.
+   Copyright (C) 1990, 1991, 1998-2000, 2003-2008 Free Software Foundation.
 
    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
@@ -21,20 +21,18 @@
 
 #include "getugroups.h"
 
+#include <limits.h>
 #include <stdio.h> /* grp.h on alpha OSF1 V2.0 uses "FILE *". */
 #include <grp.h>
 
 #include <unistd.h>
 
 #include <errno.h>
-#ifndef EOVERFLOW
-# define EOVERFLOW EINVAL
-#endif
 
 /* Some old header files might not declare setgrent, getgrent, and endgrent.
    If you don't have them at all, we can't implement this function.
    You lose!  */
-struct group *getgrent ();
+struct group *getgrent (void);
 
 #include <string.h>
 
@@ -92,12 +90,12 @@ getugroups (int maxcount, GETGROUPS_T *grouplist, char const *username,
 		    goto done;
 		  grouplist[count] = grp->gr_gid;
 		}
-	      count++;
-	      if (count < 0)
+	      if (count == INT_MAX)
 		{
 		  errno = EOVERFLOW;
 		  goto done;
 		}
+	      count++;
 	    }
 	}
     }