Sun Jan 21 00:55:25 1996 Roland McGrath <roland@churchy.gnu.ai.mit.edu> cvs/libc-960121

	* sysdeps/unix/sysv/linux/shmat.c: Include sys/shm.h instead of
	sys/sem.h.

	* stdlib/stdlib.h [__USE_SVID]: Declare a64l, l64a.

	* stdlib/l64a.c: Use 6-bit numbers as indices in CONV_TABLE, not
	literal byte values.

	* misc/bsd-compat.c (getpgrp): Define with prototype.

	* misc/init-misc.c (__progname_full): New variable.
	(program_invocation_name, program_invocation_short_name): New aliases.
	(__init_misc): Define with prototype.  Set __progname_full.
	* misc/progname.c: File removed.
	* misc/Makefile (aux): Remove progname.

	* misc/hsearch_r.c (isprime): Define with prototype.

	* sysdeps/unix/sysv/linux/seteuid.c: Just include unix/bsd version.
	* sysdeps/unix/bsd/seteuid.c: Disallow arg of -1.
	* sysdeps/unix/bsd/setegid.c: Likewise.

1 files changed, 10 insertions, 3 deletions

diff --git a/sysdeps/unix/bsd/setegid.c b/sysdeps/unix/bsd/setegid.c
index 85ebea2c96..c4a3780f6d 100644
--- a/sysdeps/unix/bsd/setegid.c
+++ b/sysdeps/unix/bsd/setegid.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -16,12 +16,19 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
+#include <errno.h>
 #include <unistd.h>
 #include <sys/types.h>
 
 int
-DEFUN(setegid, (gid), gid_t gid)
+setegid (gid)
+     gid_t gid;
 {
+  if (gid == (gid_t) ~0)
+    {
+      errno = EINVAL;
+      return -1;
+    }
+
   return __setregid (-1, gid);
 }