1 /* 2 * This file and its contents are supplied under the terms of the 3 * Common Development and Distribution License ("CDDL"), version 1.0. 4 * You may only use this file in accordance with the terms of version 5 * 1.0 of the CDDL. 6 * 7 * A full copy of the text of the CDDL should have accompanied this 8 * source. A copy of the CDDL is also available via the Internet at 9 * http://www.illumos.org/license/CDDL. 10 */ 11 12 /* 13 * Copyright 2016 Joyent, Inc. 14 */ 15 16 #ifndef _ENDIAN_H 17 #define _ENDIAN_H 18 19 /* 20 * Endian conversion routines, see endian(3C) 21 */ 22 23 #ifdef __cplusplus 24 extern "C" { 25 #endif 26 27 #include <sys/isa_defs.h> 28 #include <inttypes.h> 29 30 #define __LITTLE_ENDIAN 1234 31 #define __BIG_ENDIAN 4321 32 #define __PDP_ENDIAN 3412 33 34 #if defined(_LITTLE_ENDIAN) 35 #define __BYTE_ORDER LITTLE_ENDIAN 36 #elif defined(_BIG_ENDIAN) 37 #define __BYTE_ORDER BIG_ENDIAN 38 #else 39 #error "Unknown byte order" 40 #endif /* _LITTLE_ENDIAN */ 41 42 #define LITTLE_ENDIAN __LITTLE_ENDIAN 43 #define BIG_ENDIAN __BIG_ENDIAN 44 #define BYTE_ORDER __BYTE_ORDER 45 46 extern uint16_t htobe16(uint16_t); 47 extern uint32_t htobe32(uint32_t); 48 extern uint64_t htobe64(uint64_t); 49 50 extern uint16_t htole16(uint16_t); 51 extern uint32_t htole32(uint32_t); 52 extern uint64_t htole64(uint64_t); 53 54 /* Supply both the old and new BSD names */ 55 extern uint16_t betoh16(uint16_t); 56 extern uint16_t letoh16(uint16_t); 57 extern uint16_t be16toh(uint16_t); 58 extern uint16_t le16toh(uint16_t); 59 60 extern uint32_t betoh32(uint32_t); 61 extern uint32_t letoh32(uint32_t); 62 extern uint32_t be32toh(uint32_t); 63 extern uint32_t le32toh(uint32_t); 64 65 extern uint64_t betoh64(uint64_t); 66 extern uint64_t letoh64(uint64_t); 67 extern uint64_t be64toh(uint64_t); 68 extern uint64_t le64toh(uint64_t); 69 70 #ifdef __cplusplus 71 } 72 #endif 73 74 #endif /* _ENDIAN_H */ 75