diff options
Diffstat (limited to 'include/endianness.h')
| -rw-r--r-- | include/endianness.h | 48 |
1 files changed, 47 insertions, 1 deletions
diff --git a/include/endianness.h b/include/endianness.h index 1f99fa7..972e51b 100644 --- a/include/endianness.h +++ b/include/endianness.h @@ -19,6 +19,13 @@ #endif #endif +#ifndef __BYTE_ORDER +#ifndef _WIN32 +#warning __BYTE_ORDER is not defined, assuming little endian +#endif +#define __BYTE_ORDER __LITTLE_ENDIAN +#endif + #ifndef be16toh #if __BYTE_ORDER == __BIG_ENDIAN #define be16toh(x) (x) @@ -27,6 +34,22 @@ #endif #endif +#ifndef htobe16 +#define htobe16 be16toh +#endif + +#ifndef le16toh +#if __BYTE_ORDER == __BIG_ENDIAN +#define le16toh(x) ((((x) & 0xFF00) >> 8) | (((x) & 0x00FF) << 8)) +#else +#define le16toh(x) (x) +#endif +#endif + +#ifndef htole16 +#define htole16 le16toh +#endif + #ifndef __bswap_32 #define __bswap_32(x) ((((x) & 0xFF000000) >> 24) \ | (((x) & 0x00FF0000) >> 8) \ @@ -46,6 +69,18 @@ #define htobe32 be32toh #endif +#ifndef le32toh +#if __BYTE_ORDER == __BIG_ENDIAN +#define le32toh(x) __bswap_32(x) +#else +#define le32toh(x) (x) +#endif +#endif + +#ifndef htole32 +#define htole32 le32toh +#endif + #ifndef __bswap_64 #define __bswap_64(x) ((((x) & 0xFF00000000000000ull) >> 56) \ | (((x) & 0x00FF000000000000ull) >> 40) \ @@ -54,7 +89,7 @@ | (((x) & 0x00000000FF000000ull) << 8) \ | (((x) & 0x0000000000FF0000ull) << 24) \ | (((x) & 0x000000000000FF00ull) << 40) \ - | (((x) & 0x00000000000000FFull) << 56)) + | (((x) & 0x00000000000000FFull) << 56)) #endif #ifndef htobe64 @@ -81,4 +116,15 @@ #define htole64 le64toh #endif +#if (defined(__BIG_ENDIAN__) \ + && !defined(__FLOAT_WORD_ORDER__)) \ + || (defined(__FLOAT_WORD_ORDER__) \ + && __FLOAT_WORD_ORDER__ == __ORDER_BIG_ENDIAN__) +#define float_bswap64(x) __bswap_64(x) +#define float_bswap32(x) __bswap_32(x) +#else +#define float_bswap64(x) (x) +#define float_bswap32(x) (x) +#endif + #endif /* ENDIANNESS_H */ |