/* This file is generated automatically by configure */ /* It is valid only for the system type powerpc-apple-darwin9.8.0 */ #ifndef __BYTEORDER_H #define __BYTEORDER_H /* ntohl and relatives live here */ #include <arpa/inet.h> /* Define generic byte swapping functions */ #include <machine/byte_order.h> #define swap16(x) NXSwapShort(x) #define swap32(x) NXSwapLong(x) #define swap64(x) NXSwapLongLong(x) /* The byte swapping macros have the form: */ /* EENN[a]toh or htoEENN[a] where EE is be (big endian) or */ /* le (little-endian), NN is 16 or 32 (number of bits) and a, */ /* if present, indicates that the endian side is a pointer to an */ /* array of uint8_t bytes instead of an integer of the specified length. */ /* h refers to the host's ordering method. */ /* So, to convert a 32-bit integer stored in a buffer in little-endian */ /* format into a uint32_t usable on this machine, you could use: */ /* uint32_t value = le32atoh(&buf[3]); */ /* To put that value back into the buffer, you could use: */ /* htole32a(&buf[3], value); */ /* Define aliases for the standard byte swapping macros */ /* Arguments to these macros must be properly aligned on natural word */ /* boundaries in order to work properly on all architectures */ #ifndef htobe16 # define htobe16(x) htons(x) #endif #ifndef htobe32 # define htobe32(x) htonl(x) #endif #ifndef be16toh # define be16toh(x) ntohs(x) #endif #ifndef be32toh # define be32toh(x) ntohl(x) #endif #define HTOBE16(x) (x) = htobe16(x) #define HTOBE32(x) (x) = htobe32(x) #define BE32TOH(x) (x) = be32toh(x) #define BE16TOH(x) (x) = be16toh(x) /* Define our own extended byte swapping macros for big-endian machines */ #ifndef htole16 # define htole16(x) swap16(x) #endif #ifndef htole32 # define htole32(x) swap32(x) #endif #ifndef le16toh # define le16toh(x) swap16(x) #endif #ifndef le32toh # define le32toh(x) swap32(x) #endif #ifndef le64toh # define le64toh(x) swap64(x) #endif #ifndef htobe64 # define htobe64(x) (x) #endif #ifndef be64toh # define be64toh(x) (x) #endif #define HTOLE16(x) (x) = htole16(x) #define HTOLE32(x) (x) = htole32(x) #define LE16TOH(x) (x) = le16toh(x) #define LE32TOH(x) (x) = le32toh(x) #define LE64TOH(x) (x) = le64toh(x) #define HTOBE64(x) (void) (x) #define BE64TOH(x) (void) (x) /* Define the C99 standard length-specific integer types */ #include <stdint.h> /* Here are some macros to create integers from a byte array */ /* These are used to get and put integers from/into a uint8_t array */ /* with a specific endianness. This is the most portable way to generate */ /* and read messages to a network or serial device. Each member of a */ /* packet structure must be handled separately. */ /* Non-optimized but portable macros */ #define be16atoh(x) ((uint16_t)(((x)[0]<<8)|(x)[1])) #define be32atoh(x) ((uint32_t)(((x)[0]<<24)|((x)[1]<<16)|((x)[2]<<8)|(x)[3])) #define be64atoh_x(x,off,shift) (((uint64_t)((x)[off]))<<shift) #define be64atoh(x) ((uint64_t)(be64atoh_x(x,0,56)|be64atoh_x(x,1,48)|be64atoh_x(x,2,40)| \ be64atoh_x(x,3,32)|be64atoh_x(x,4,24)|be64atoh_x(x,5,16)|be64atoh_x(x,6,8)|((x)[7]))) #define le16atoh(x) ((uint16_t)(((x)[1]<<8)|(x)[0])) #define le32atoh(x) ((uint32_t)(((x)[3]<<24)|((x)[2]<<16)|((x)[1]<<8)|(x)[0])) #define le64atoh_x(x,off,shift) (((uint64_t)(x)[off])<<shift) #define le64atoh(x) ((uint64_t)(le64atoh_x(x,7,56)|le64atoh_x(x,6,48)|le64atoh_x(x,5,40)| \ le64atoh_x(x,4,32)|le64atoh_x(x,3,24)|le64atoh_x(x,2,16)|le64atoh_x(x,1,8)|((x)[0]))) #define htobe16a(a,x) (a)[0]=(uint8_t)((x)>>8), (a)[1]=(uint8_t)(x) #define htobe32a(a,x) (a)[0]=(uint8_t)((x)>>24), (a)[1]=(uint8_t)((x)>>16), \ (a)[2]=(uint8_t)((x)>>8), (a)[3]=(uint8_t)(x) #define htobe64a(a,x) (a)[0]=(uint8_t)((x)>>56), (a)[1]=(uint8_t)((x)>>48), \ (a)[2]=(uint8_t)((x)>>40), (a)[3]=(uint8_t)((x)>>32), \ (a)[4]=(uint8_t)((x)>>24), (a)[5]=(uint8_t)((x)>>16), \ (a)[6]=(uint8_t)((x)>>8), (a)[7]=(uint8_t)(x) #define htole16a(a,x) (a)[1]=(uint8_t)((x)>>8), (a)[0]=(uint8_t)(x) #define htole32a(a,x) (a)[3]=(uint8_t)((x)>>24), (a)[2]=(uint8_t)((x)>>16), \ (a)[1]=(uint8_t)((x)>>8), (a)[0]=(uint8_t)(x) #define htole64a(a,x) (a)[7]=(uint8_t)((x)>>56), (a)[6]=(uint8_t)((x)>>48), \ (a)[5]=(uint8_t)((x)>>40), (a)[4]=(uint8_t)((x)>>32), \ (a)[3]=(uint8_t)((x)>>24), (a)[2]=(uint8_t)((x)>>16), \ (a)[1]=(uint8_t)((x)>>8), (a)[0]=(uint8_t)(x) #endif /*__BYTEORDER_H*/