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Diffstat (limited to 'bits/environments.h')
-rw-r--r--bits/environments.h26
1 files changed, 20 insertions, 6 deletions
diff --git a/bits/environments.h b/bits/environments.h
index f3af20655a..a16cf2284d 100644
--- a/bits/environments.h
+++ b/bits/environments.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1999, 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
@@ -27,32 +27,46 @@
`-1' means it is never supported. Undefined means it cannot be
statically decided.
- _XBS5_ILP32_OFF32 32bit int, long, pointers, and off_t type
- _XBS5_ILP32_OFFBIG 32bit int, long, and pointers and larger off_t type
+ _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
- _XBS5_LP64_OFF32 64bit long and pointers and 32bit off_t type
- _XBS5_LPBIG_OFFBIG 64bit long and pointers and large 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.
*/
#if __WORDSIZE == 64
/* We can never provide environments with 32-bit wide pointers. */
+# define _POSIX_V6_ILP32_OFF32 -1
+# define _POSIX_V6_ILP32_OFFBIG -1
# define _XBS5_ILP32_OFF32 -1
# define _XBS5_ILP32_OFFBIG -1
/* By default we have 64-bit wide `long int', pointers and `off_t'. */
+# define _POSIX_V6_LP64_OFF32 1
+# define _POSIX_V6_LPBIG_OFFBIG 1
# define _XBS5_LP64_OFF32 1
# define _XBS5_LPBIG_OFFBIG 1
#else /* __WORDSIZE == 32 */
-/* By default we have 32-bit wide `int', `long int', pointers and `off_t'. */
+/* By default we have 32-bit wide `int', `long int', pointers and `off_t'
+ and all platforms support LFS. */
+# define _POSIX_V6_ILP32_OFF32 1
+# define _POSIX_V6_ILP32_OFFBIG 1
# define _XBS5_ILP32_OFF32 1
+# define _XBS5_ILP32_OFFBIG 1
/* We optionally provide an environment with the above size but an 64-bit
side `off_t'. Therefore we don't define _XBS5_ILP32_OFFBIG. */
/* 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