/* * Keep all the ugly #ifdef for system stuff here */ #ifndef __COMPILER_H__ #define __COMPILER_H__ #ifndef NULL #define NULL 0 #endif #if 0 #define uswap_16(x) (x) #define uswap_32(x) (x) #define _uswap_64(x, sfx) (x) #else #define uswap_16(x) \ ((((x) & 0xff00) >> 8) | \ (((x) & 0x00ff) << 8)) #define uswap_32(x) \ ((((x) & 0xff000000) >> 24) | \ (((x) & 0x00ff0000) >> 8) | \ (((x) & 0x0000ff00) << 8) | \ (((x) & 0x000000ff) << 24)) #define _uswap_64(x, sfx) \ ((((x) & 0xff00000000000000##sfx) >> 56) | \ (((x) & 0x00ff000000000000##sfx) >> 40) | \ (((x) & 0x0000ff0000000000##sfx) >> 24) | \ (((x) & 0x000000ff00000000##sfx) >> 8) | \ (((x) & 0x00000000ff000000##sfx) << 8) | \ (((x) & 0x0000000000ff0000##sfx) << 24) | \ (((x) & 0x000000000000ff00##sfx) << 40) | \ (((x) & 0x00000000000000ff##sfx) << 56)) #endif #if defined(__GNUC__) #define uswap_64(x) _uswap_64(x, ull) #else #define uswap_64(x) _uswap_64(x, ) #endif #define cpu_to_le16(x) (x) #define cpu_to_le32(x) (x) #define cpu_to_le64(x) (x) #define le16_to_cpu(x) (x) #define le32_to_cpu(x) (x) #define le64_to_cpu(x) (x) #define cpu_to_be16(x) uswap_16(x) #define cpu_to_be32(x) uswap_32(x) #define cpu_to_be64(x) uswap_64(x) #define be16_to_cpu(x) uswap_16(x) #define be32_to_cpu(x) uswap_32(x) #define be64_to_cpu(x) uswap_64(x) /* Type for `void *' pointers. */ typedef unsigned long int uintptr_t; #endif