diff options
Diffstat (limited to 'string')
| -rw-r--r-- | string/byteswap.h | 6 | ||||
| -rw-r--r-- | string/endian.h | 23 |
2 files changed, 18 insertions, 11 deletions
diff --git a/string/byteswap.h b/string/byteswap.h index 18ca95d373..7d769573ad 100644 --- a/string/byteswap.h +++ b/string/byteswap.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1997 Free Software Foundation, Inc. +/* Copyright (C) 1997, 2012 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 @@ -18,6 +18,8 @@ #ifndef _BYTESWAP_H #define _BYTESWAP_H 1 +#include <features.h> + /* Get the machine specific, optimized definitions. */ #include <bits/byteswap.h> @@ -31,7 +33,7 @@ /* Return a value with all bytes in the 32 bit argument swapped. */ #define bswap_32(x) __bswap_32 (x) -#if defined __GNUC__ && __GNUC__ >= 2 +#if __GLIBC_HAVE_LONG_LONG /* Return a value with all bytes in the 64 bit argument swapped. */ # define bswap_64(x) __bswap_64 (x) #endif diff --git a/string/endian.h b/string/endian.h index 13e8c75c9f..0c293f6379 100644 --- a/string/endian.h +++ b/string/endian.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1992, 1996, 1997, 2000, 2008 Free Software Foundation, Inc. +/* Copyright (C) 1992-2012 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 @@ -70,10 +70,13 @@ # 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) +# if __GLIBC_HAVE_LONG_LONG +# define htobe64(x) __bswap_64 (x) +# define htole64(x) (x) +# define be64toh(x) __bswap_64 (x) +# define le64toh(x) (x) +# endif + # else # define htobe16(x) (x) # define htole16(x) __bswap_16 (x) @@ -85,10 +88,12 @@ # 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) +# if __GLIBC_HAVE_LONG_LONG +# define htobe64(x) (x) +# define htole64(x) __bswap_64 (x) +# define be64toh(x) (x) +# define le64toh(x) __bswap_64 (x) +# endif # endif #endif |