| /* 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*/ |
