diff options
Diffstat (limited to 'lib/mlibc/options/glibc/include/endian.h')
| -rw-r--r-- | lib/mlibc/options/glibc/include/endian.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/lib/mlibc/options/glibc/include/endian.h b/lib/mlibc/options/glibc/include/endian.h new file mode 100644 index 0000000..00d5ee1 --- /dev/null +++ b/lib/mlibc/options/glibc/include/endian.h @@ -0,0 +1,54 @@ +#ifndef _ENDIAN_H +#define _ENDIAN_H + +#include <byteswap.h> + +#ifdef __GNUC__ +# define BYTE_ORDER __BYTE_ORDER__ +# define LITTLE_ENDIAN __ORDER_LITTLE_ENDIAN__ +# define BIG_ENDIAN __ORDER_BIG_ENDIAN__ +# define PDP_ENDIAN __ORDER_PDP_ENDIAN__ + +# define __BYTE_ORDER __BYTE_ORDER__ +#ifndef __LITTLE_ENDIAN // Linux kernel headers define this already +# define __LITTLE_ENDIAN __ORDER_LITTLE_ENDIAN__ +#endif +# define __BIG_ENDIAN __ORDER_BIG_ENDIAN__ +# define __PDP_ENDIAN __ORDER_PDP_ENDIAN__ +#else +# error "Unsupported compiler" +#endif + +#if BYTE_ORDER == LITTLE_ENDIAN +# define htobe16(x) __bswap_16(x) +# define htole16(x) (uint16_t)(x) +# define be16toh(x) __bswap_16(x) +# define le16toh(x) (uint16_t)(x) + +# define htobe32(x) __bswap_32(x) +# define htole32(x) (uint32_t)(x) +# define be32toh(x) __bswap_32(x) +# define le32toh(x) (uint32_t)(x) + +# define htobe64(x) __bswap_64(x) +# define htole64(x) (uint64_t)(x) +# define be64toh(x) __bswap_64(x) +# define le64toh(x) (uint64_t)(x) +#else +# define htobe16(x) (uint16_t)(x) +# define htole16(x) __bswap_16(x) +# define be16toh(x) (uint16_t)(x) +# define le16toh(x) __bswap_16(x) + +# define htobe32(x) (uint32_t)(x) +# define htole32(x) __bswap_32(x) +# define be32toh(x) (uint32_t)(x) +# define le32toh(x) __bswap_32(x) + +# define htobe64(x) (uint64_t)(x) +# define htole64(x) __bswap_64(x) +# define be64toh(x) (uint64_t)(x) +# define le64toh(x) __bswap_64(x) +#endif + +#endif // _ENDIAN_H |