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common: fix swap functions on Bitrig and OpenBSD

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swap{16,32,64} are defined as macros on the two, but client code
tries to invoke them as Common::swap{16,32,64}, which naturally
doesn't work. This hack redefines the macros as inline functions
in the Common namespace: the bodies of the functions are the
same as the original macros, but relying on OS-specific
implementation details like this is of course brittle.
This commit is contained in:
Daniel Lim Wee Soong 2018-03-27 17:54:29 +08:00
parent 6022bc8394
commit a66204eb5c
1 changed files with 13 additions and 1 deletions
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14
src/common/swap.h
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@ -103,7 +103,19 @@ inline __attribute__((always_inline)) u64 swap64(u64 _data) {
return __builtin_bswap64(_data); return __builtin_bswap64(_data);
} }
#elif defined(__Bitrig__) || defined(__OpenBSD__) #elif defined(__Bitrig__) || defined(__OpenBSD__)
// swap16, swap32, swap64 are left as is // redefine swap16, swap32, swap64 as inline functions
#undef swap16
#undef swap32
#undef swap64
inline u16 swap16(u16 _data) {
return __swap16(_data);
}
inline u32 swap32(u32 _data) {
return __swap32(_data);
}
inline u64 swap64(u64 _data) {
return __swap64(_data);
}
#elif defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) #elif defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__)
inline u16 swap16(u16 _data) { inline u16 swap16(u16 _data) {
return bswap16(_data); return bswap16(_data);