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authorUlrich Drepper <drepper@redhat.com>2001-03-05 18:28:43 +0000
committerUlrich Drepper <drepper@redhat.com>2001-03-05 18:28:43 +0000
commit368cfb949f26a3df56486c600d39fb44ec9b386a (patch)
treee58d3aa250ebfb39c5409bb7cf235498771e369c /sysdeps/unix/sysv/linux/bits/stat.h
parent278689e8b500342fe1e187681143a38f15b1ef7f (diff)
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(__S_TYPEISMQ, __S_TYPEISSEM, __S_TYPEISSHM): Rewrite to enforce correct use the macros. They still always return zero.
Diffstat (limited to 'sysdeps/unix/sysv/linux/bits/stat.h')
-rw-r--r--sysdeps/unix/sysv/linux/bits/stat.h11
1 files changed, 6 insertions, 5 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/stat.h b/sysdeps/unix/sysv/linux/bits/stat.h
index d432fc858e..5f17f6fe27 100644
--- a/sysdeps/unix/sysv/linux/bits/stat.h
+++ b/sysdeps/unix/sysv/linux/bits/stat.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992, 95, 96, 97, 98, 99, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1992,95,96,97,98,99,2000,2001 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
@@ -118,10 +118,11 @@ struct stat64
 #define	__S_IFLNK	0120000	/* Symbolic link.  */
 #define	__S_IFSOCK	0140000	/* Socket.  */
 
-/* POSIX.1b objects.  */
-#define __S_TYPEISMQ(buf) (0)
-#define __S_TYPEISSEM(buf) (0)
-#define __S_TYPEISSHM(buf) (0)
+/* POSIX.1b objects.  Note that these macros always evaluate to zero.  But
+   they do it by enforcing the correct use of the macros.  */
+#define __S_TYPEISMQ(buf)  ((buf)->st_mode - (buf)->st_mode)
+#define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
+#define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)
 
 /* Protection bits.  */