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librhash: Implement bswap_64 even in strict C90 mode

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This commit is contained in:
Brad King
2016-11-08 11:33:09 -05:00
parent 7189d62c32
commit 0bd333bc2e
1 changed files with 2 additions and 4 deletions
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6
Utilities/cmlibrhash/librhash/byte_order.h
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@@ -120,8 +120,8 @@ static inline uint32_t bswap_32(uint32_t x) {
# define bswap_64(x) __builtin_bswap64(x) # define bswap_64(x) __builtin_bswap64(x)
#elif (_MSC_VER > 1300) && (defined(CPU_IA32) || defined(CPU_X64)) /* MS VC */ #elif (_MSC_VER > 1300) && (defined(CPU_IA32) || defined(CPU_X64)) /* MS VC */
# define bswap_64(x) _byteswap_uint64((__int64)x) # define bswap_64(x) _byteswap_uint64((__int64)x)
#elif !defined(__STRICT_ANSI__) #else
static inline uint64_t bswap_64(uint64_t x) { static uint64_t bswap_64(uint64_t x) {
union { union {
uint64_t ll; uint64_t ll;
uint32_t l[2]; uint32_t l[2];
@@ -131,8 +131,6 @@ static inline uint64_t bswap_64(uint64_t x) {
r.l[1] = bswap_32(w.l[0]); r.l[1] = bswap_32(w.l[0]);
return r.ll; return r.ll;
} }
#else
#error "bswap_64 unsupported"
#endif #endif
#ifdef CPU_BIG_ENDIAN #ifdef CPU_BIG_ENDIAN