13aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* This file is generated automatically by configure */ 23aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* It is valid only for the system type powerpc-apple-darwin9.8.0 */ 33aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev 43aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#ifndef __BYTEORDER_H 53aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define __BYTEORDER_H 63aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev 73aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* ntohl and relatives live here */ 83aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#include <arpa/inet.h> 93aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev 103aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* Define generic byte swapping functions */ 113aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#include <machine/byte_order.h> 123aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define swap16(x) NXSwapShort(x) 133aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define swap32(x) NXSwapLong(x) 143aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define swap64(x) NXSwapLongLong(x) 153aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev 163aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* The byte swapping macros have the form: */ 173aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* EENN[a]toh or htoEENN[a] where EE is be (big endian) or */ 183aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* le (little-endian), NN is 16 or 32 (number of bits) and a, */ 193aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* if present, indicates that the endian side is a pointer to an */ 203aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* array of uint8_t bytes instead of an integer of the specified length. */ 213aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* h refers to the host's ordering method. */ 223aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev 233aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* So, to convert a 32-bit integer stored in a buffer in little-endian */ 243aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* format into a uint32_t usable on this machine, you could use: */ 253aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* uint32_t value = le32atoh(&buf[3]); */ 263aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* To put that value back into the buffer, you could use: */ 273aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* htole32a(&buf[3], value); */ 283aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev 293aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* Define aliases for the standard byte swapping macros */ 303aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* Arguments to these macros must be properly aligned on natural word */ 313aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* boundaries in order to work properly on all architectures */ 323aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#ifndef htobe16 333aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev# define htobe16(x) htons(x) 343aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#endif 353aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#ifndef htobe32 363aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev# define htobe32(x) htonl(x) 373aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#endif 383aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#ifndef be16toh 393aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev# define be16toh(x) ntohs(x) 403aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#endif 413aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#ifndef be32toh 423aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev# define be32toh(x) ntohl(x) 433aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#endif 443aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev 453aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define HTOBE16(x) (x) = htobe16(x) 463aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define HTOBE32(x) (x) = htobe32(x) 473aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define BE32TOH(x) (x) = be32toh(x) 483aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define BE16TOH(x) (x) = be16toh(x) 493aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev 503aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* Define our own extended byte swapping macros for big-endian machines */ 513aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#ifndef htole16 523aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev# define htole16(x) swap16(x) 533aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#endif 543aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#ifndef htole32 553aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev# define htole32(x) swap32(x) 563aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#endif 573aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#ifndef le16toh 583aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev# define le16toh(x) swap16(x) 593aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#endif 603aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#ifndef le32toh 613aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev# define le32toh(x) swap32(x) 623aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#endif 633aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#ifndef le64toh 643aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev# define le64toh(x) swap64(x) 653aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#endif 663aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev 673aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#ifndef htobe64 683aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev# define htobe64(x) (x) 693aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#endif 703aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#ifndef be64toh 713aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev# define be64toh(x) (x) 723aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#endif 733aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev 743aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define HTOLE16(x) (x) = htole16(x) 753aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define HTOLE32(x) (x) = htole32(x) 763aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define LE16TOH(x) (x) = le16toh(x) 773aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define LE32TOH(x) (x) = le32toh(x) 783aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define LE64TOH(x) (x) = le64toh(x) 793aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev 803aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define HTOBE64(x) (void) (x) 813aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define BE64TOH(x) (void) (x) 823aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev 833aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* Define the C99 standard length-specific integer types */ 843aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#include <stdint.h> 853aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev 863aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* Here are some macros to create integers from a byte array */ 873aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* These are used to get and put integers from/into a uint8_t array */ 883aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* with a specific endianness. This is the most portable way to generate */ 893aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* and read messages to a network or serial device. Each member of a */ 903aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* packet structure must be handled separately. */ 913aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev 923aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev/* Non-optimized but portable macros */ 933aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define be16atoh(x) ((uint16_t)(((x)[0]<<8)|(x)[1])) 943aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define be32atoh(x) ((uint32_t)(((x)[0]<<24)|((x)[1]<<16)|((x)[2]<<8)|(x)[3])) 953aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define be64atoh_x(x,off,shift) (((uint64_t)((x)[off]))<<shift) 963aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define be64atoh(x) ((uint64_t)(be64atoh_x(x,0,56)|be64atoh_x(x,1,48)|be64atoh_x(x,2,40)| \ 973aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev be64atoh_x(x,3,32)|be64atoh_x(x,4,24)|be64atoh_x(x,5,16)|be64atoh_x(x,6,8)|((x)[7]))) 983aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define le16atoh(x) ((uint16_t)(((x)[1]<<8)|(x)[0])) 993aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define le32atoh(x) ((uint32_t)(((x)[3]<<24)|((x)[2]<<16)|((x)[1]<<8)|(x)[0])) 1003aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define le64atoh_x(x,off,shift) (((uint64_t)(x)[off])<<shift) 1013aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define le64atoh(x) ((uint64_t)(le64atoh_x(x,7,56)|le64atoh_x(x,6,48)|le64atoh_x(x,5,40)| \ 1023aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev le64atoh_x(x,4,32)|le64atoh_x(x,3,24)|le64atoh_x(x,2,16)|le64atoh_x(x,1,8)|((x)[0]))) 1033aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev 1043aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define htobe16a(a,x) (a)[0]=(uint8_t)((x)>>8), (a)[1]=(uint8_t)(x) 1053aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define htobe32a(a,x) (a)[0]=(uint8_t)((x)>>24), (a)[1]=(uint8_t)((x)>>16), \ 1063aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev (a)[2]=(uint8_t)((x)>>8), (a)[3]=(uint8_t)(x) 1073aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define htobe64a(a,x) (a)[0]=(uint8_t)((x)>>56), (a)[1]=(uint8_t)((x)>>48), \ 1083aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev (a)[2]=(uint8_t)((x)>>40), (a)[3]=(uint8_t)((x)>>32), \ 1093aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev (a)[4]=(uint8_t)((x)>>24), (a)[5]=(uint8_t)((x)>>16), \ 1103aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev (a)[6]=(uint8_t)((x)>>8), (a)[7]=(uint8_t)(x) 1113aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define htole16a(a,x) (a)[1]=(uint8_t)((x)>>8), (a)[0]=(uint8_t)(x) 1123aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define htole32a(a,x) (a)[3]=(uint8_t)((x)>>24), (a)[2]=(uint8_t)((x)>>16), \ 1133aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev (a)[1]=(uint8_t)((x)>>8), (a)[0]=(uint8_t)(x) 1143aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#define htole64a(a,x) (a)[7]=(uint8_t)((x)>>56), (a)[6]=(uint8_t)((x)>>48), \ 1153aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev (a)[5]=(uint8_t)((x)>>40), (a)[4]=(uint8_t)((x)>>32), \ 1163aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev (a)[3]=(uint8_t)((x)>>24), (a)[2]=(uint8_t)((x)>>16), \ 1173aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev (a)[1]=(uint8_t)((x)>>8), (a)[0]=(uint8_t)(x) 1183aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev 1193aa430dc5437a98734b36f996f9b17081a589143Yavor Goulishev#endif /*__BYTEORDER_H*/ 120