* sysdeps/mach/hurd/bits/environments.h: Add comment from sysdeps/generic/bits/enviro...

2001-05-05  Mark Kettenis  <kettenis@gnu.org>

	* sysdeps/mach/hurd/bits/environments.h: Add comment from
	sysdeps/generic/bits/environments.h.  Define _POSIX_V6_* values.

diff --git a/ChangeLog b/ChangeLog
index 42a2717..ba21e2c 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2001-05-05  Mark Kettenis  <kettenis@gnu.org>
+
+       * sysdeps/mach/hurd/bits/environments.h: Add comment from
+       sysdeps/generic/bits/environments.h.  Define _POSIX_V6_* values.
+
 2001-04-30  Jakub Jelinek  <jakub@redhat.com>
 
        * posix/confstr.c (confstr) [_CS_V6_WIDTH_RESTRICTED_ENVS]: Move so

diff --git a/sysdeps/mach/hurd/bits/environments.h b/sysdeps/mach/hurd/bits/environments.h
index 530a4f5..e25499a 100644 (file)
--- a/sysdeps/mach/hurd/bits/environments.h
+++ b/sysdeps/mach/hurd/bits/environments.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 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
@@ -20,13 +20,34 @@
 # error "Never include this file directly.  Use <unistd.h> instead"
 #endif
 
-/* By default we have 32-bit wide `int', `long int', pointers and `off_t'.  */
+/* This header should define the following symbols under the described
+   situations.  A value `1' means that the model is always supported,
+   `-1' means it is never supported.  Undefined means it cannot be
+   statically decided.
+
+   _POSIX_V6_ILP32_OFF32   32bit int, long, pointers, and off_t type
+   _POSIX_V6_ILP32_OFFBIG  32bit int, long, and pointers and larger off_t type
+
+   _POSIX_V6_LP64_OFF32           64bit long and pointers and 32bit off_t type
+   _POSIX_V6_LPBIG_OFFBIG  64bit long and pointers and large off_t type
+
+   The macros _XBS5_ILP32_OFF32, _XBS5_ILP32_OFFBIG, _XBS5_LP64_OFF32, and
+   _XBS5_LPBIG_OFFBIG were used in previous versions of the Unix standard
+   and are available only for compatibility.
+*/
+
+/* By default we have 32-bit wide `int', `long int', pointers and
+   `off_t'.  */
+#define _POSIX_V6_ILP32_OFF32  1
 #define _XBS5_ILP32_OFF32      1
 
 /* We can never (yet) provide an environment with the above size but
    a 64-bit size `off_t'.  */
-#define        _XBS5_ILP32_OFFBIG      -1
+#define _POSIX_V6_ILP32_OFFBIG -1
+#define _XBS5_ILP32_OFFBIG     -1
 
 /* We can never provide environments with 64-bit wide pointers.  */
+#define _POSIX_V6_LP64_OFF64   -1
+#define _POSIX_V6_LPBIG_OFFBIG -1
 #define _XBS5_LP64_OFF64       -1
 #define _XBS5_LPBIG_OFFBIG     -1