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Add __bswap_64 definition for non GCC compilers.

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[BZ#13926]
Currently __bswap_64 is not defined at all for non-GCC compilers.
Define it but guard it with __GLIBC_HAVE_LONG_LONG.

endian.h uses __bswap_64, make the functions only available
if __GLIBC_HAVE_LONG_LONG is defined.
This commit is contained in:
Andreas Jaeger
2012-03-28 16:39:25 +02:00
parent 39c59c3572
commit b1aa60f32d
8 changed files with 98 additions and 28 deletions
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23
string/endian.h
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@ -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