diff options
Diffstat (limited to 'src/radeon.h')
| -rw-r--r-- | src/radeon.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/radeon.h b/src/radeon.h index 6f7fadef..3f266de6 100644 --- a/src/radeon.h +++ b/src/radeon.h @@ -98,6 +98,36 @@ #define MIN(a,b) ((a)>(b)?(b):(a)) #endif +#if HAVE_BYTESWAP_H +#include <byteswap.h> +#elif defined(USE_SYS_ENDIAN_H) +#include <sys/endian.h> +#else +#define bswap_16(value) \ + ((((value) & 0xff) << 8) | ((value) >> 8)) + +#define bswap_32(value) \ + (((uint32_t)bswap_16((uint16_t)((value) & 0xffff)) << 16) | \ + (uint32_t)bswap_16((uint16_t)((value) >> 16))) + +#define bswap_64(value) \ + (((uint64_t)bswap_32((uint32_t)((value) & 0xffffffff)) \ + << 32) | \ + (uint64_t)bswap_32((uint32_t)((value) >> 32))) +#endif + +#if X_BYTE_ORDER == X_BIG_ENDIAN +#define le32_to_cpu(x) bswap_32(x) +#define le16_to_cpu(x) bswap_16(x) +#define cpu_to_le32(x) bswap_32(x) +#define cpu_to_le16(x) bswap_16(x) +#else +#define le32_to_cpu(x) (x) +#define le16_to_cpu(x) (x) +#define cpu_to_le32(x) (x) +#define cpu_to_le16(x) (x) +#endif + /* Provide substitutes for gcc's __FUNCTION__ on other compilers */ #if !defined(__GNUC__) && !defined(__FUNCTION__) # define __FUNCTION__ __func__ /* C99 */ |