diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/share/endswap.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/share/endswap.h b/include/share/endswap.h index e71f0f6c..74cdfc3b 100644 --- a/include/share/endswap.h +++ b/include/share/endswap.h @@ -33,21 +33,38 @@ #if HAVE_BSWAP32 /* GCC and Clang */ +#define ENDSWAP_16(x) (__builtin_bswap16 (x)) #define ENDSWAP_32(x) (__builtin_bswap32 (x)) #elif defined _MSC_VER /* Windows. Apparently in <stdlib.h>. */ +#define ENDSWAP_16(x) (_byteswap_ushort (x)) #define ENDSWAP_32(x) (_byteswap_ulong (x)) #elif defined HAVE_BYTESWAP_H /* Linux */ #include <byteswap.h> +#define ENDSWAP_16(x) (bswap_16 (x)) #define ENDSWAP_32(x) (bswap_32 (x)) #else +#define ENDSWAP_16(x) (((((x) >> 8) & 0xFF00) + ((x) & 0xFF00) << 8)) #define ENDSWAP_32(x) ((((x) >> 24) & 0xFF) + (((x) >> 8) & 0xFF00) + (((x) & 0xFF00) << 8) + (((x) & 0xFF) << 24)) #endif + +/* Host to little-endian byte swapping. */ +#if CPU_IS_BIG_ENDIAN + +#define H2LE_16(x) ENDSWAP_16 (x) +#define H2LE_32(x) ENDSWAP_32 (x) + +#else + +#define H2LE_16(x) (x) +#define H2LE_32(x) (x) + +#endif |