diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2008-05-15 02:54:33 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2008-05-15 02:54:33 +0000 |
| commit | 2f9a1be867489eb4fdc46e052163eb3cab99aef1 (patch) | |
| tree | 61ce5241b637ef45b048ea4fc0485847b127bfc7 /string/endian.h | |
| parent | c8d49f05e7048f84bb8a60381c290f4831f3bd57 (diff) | |
[BZ #6442]
* string/endian.h: Add macros for fixed-size endian conversion.
* bits/byteswap.h: Allow inclusion from <endian.h>.
* sysdeps/i386/bits/byteswap.h: Likewise.
* sysdeps/ia64/bits/byteswap.h: Likewise.
* sysdeps/s390/bits/byteswap.h: Likewise.
* sysdeps/x86_64/bits/byteswap.h: Likewise.
* string/Makefile (tests): Add tst-endian.
* string/tst-endian.c: New file.
Diffstat (limited to 'string/endian.h')
| -rw-r--r-- | string/endian.h | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/string/endian.h b/string/endian.h index 2f7bce100b..430fb3a5c4 100644 --- a/string/endian.h +++ b/string/endian.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1992, 1996, 1997, 2000 Free Software Foundation, Inc. +/* Copyright (C) 1992, 1996, 1997, 2000, 2008 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 @@ -55,4 +55,40 @@ # define __LONG_LONG_PAIR(HI, LO) HI, LO #endif + +/* Conversion interfaces. */ +#include <bits/byteswap.h> + +#if __BYTE_ORDER == __LITTLE_ENDIAN +# define htobe16(x) __bswap_16 (x) +# define htole16(x) (x) +# define be16toh(x) __bswap_16 (x) +# define le16toh(x) (x) + +# define htobe32(x) __bswap_32 (x) +# define htole32(x) (x) +# define be32toh(x) __bswap_32 (x) +# define le32toh(x) (x) + +# define htobe64(x) __bswap_64 (x) +# define htole64(x) (x) +# define be64toh(x) __bswap_64 (x) +# define le64toh(x) (x) +#else +# define htobe16(x) (x) +# define htole16(x) __bswap_16 (x) +# define be16toh(x) (x) +# define le16toh(x) __bswap_16 (x) + +# define htobe32(x) (x) +# define htole32(x) __bswap_32 (x) +# define be32toh(x) (x) +# define le32toh(x) __bswap_32 (x) + +# define htobe64(x) (x) +# define htole64(x) __bswap_64 (x) +# define be64toh(x) (x) +# define le64toh(x) __bswap_64 (x) +#endif + #endif /* endian.h */ |