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src/sfendian.h : Make ENDSWAP_64() work with i686-w64-mingw32 compiler.

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This commit is contained in:
Erik de Castro Lopo 2012-03-05 21:24:40 +11:00
parent 3cddd9a889
commit a53b8479f3
2 changed files with 22 additions and 3 deletions
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3
ChangeLog
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@ -1,7 +1,7 @@
2012-02-05 Erik de Castro Lopo <erikd AT mega-nerd DOT com>
* src/
Refactor chunk storage so it work on big as well as little endian CPUs.
Refactor chunk storage so it work on big as well as little endian CPUs.
* tests/chunk_test.c
Clean up error messages.
@ -15,6 +15,7 @@
* src/sfendian.h
Use <x86intrin.h> intrinsics (ie for MinGW) when <byteswap.h> is not
present.
Make ENDSWAP_64() work with i686-w64-mingw32 compiler.
* src/ALAC/EndianPortable.c
Add support for __powerpc__.

22
src/sfendian.h
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@ -38,8 +38,9 @@
#define ENDSWAP_16(x) ((((x) >> 8) & 0xFF) + (((x) & 0xFF) << 8))
#define ENDSWAP_32(x) (__bswapd (x))
#define ENDSWAP_64(x) (_bswap64 (x))
#if defined (__x86_64__)
#define ENDSWAP_64(x) (__bswapq (x))
#endif
#else
#define ENDSWAP_16(x) ((((x) >> 8) & 0xFF) + (((x) & 0xFF) << 8))
@ -47,6 +48,23 @@
#endif
#ifndef ENDSWAP_64
static inline uint64_t
ENDSWAP_64 (uint64_t x)
{ union
{ uint32_t parts [2] ;
uint64_t whole ;
} u ;
uint32_t temp ;
u.whole = x ;
temp = u.parts [0] ;
u.parts [0] = ENDSWAP_32 (u.parts [1]) ;
u.parts [1] = ENDSWAP_32 (temp) ;
return u.whole ;
}
#endif
/*
** Many file types (ie WAV, AIFF) use sets of four consecutive bytes as a
** marker indicating different sections of the file.