From 2f9a1be867489eb4fdc46e052163eb3cab99aef1 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Thu, 15 May 2008 02:54:33 +0000 Subject: [BZ #6442] * string/endian.h: Add macros for fixed-size endian conversion. * bits/byteswap.h: Allow inclusion from . * 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. --- string/endian.h | 38 +++++++++++++++++++++++++++++++++++++- 1 file changed, 37 insertions(+), 1 deletion(-) (limited to 'string/endian.h') 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 + +#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 */ -- cgit v1.2.3-70-g09d2