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 (c) 2015, Joyent, Inc. 14 */ 15 16 /* 17 * endian(3C) routines 18 */ 19 20 uint16_t 21 htole16(uint16_t in) 22 { 23 return (((in & 0xff) << 8) | ((in & 0xff00) >> 8)); 24 } 25 26 uint32_t 27 htole32(uint32_t in) 28 { 29 return (((in & 0xffUL) << 24) | 30 (in & 0xff00UL) << 8 | 31 (in & 0xff0000UL) >> 8 | 32 ((in & 0xff000000UL) >> 24)); 33 } 34 35 uint64_t 36 htole64(uint64_t in) 37 { 38 return (((in & 0xffULL) << 56) | 39 ((in & 0xff00ULL) << 40) | 40 ((in & 0xff0000ULL) << 24) | 41 ((in & 0xff000000ULL) << 8) | 42 ((in & 0xff00000000ULL) >> 8) | 43 ((in & 0xff0000000000ULL) >> 24) | 44 ((in & 0xff000000000000ULL) >> 40) | 45 ((in & 0xff00000000000000ULL) >> 56)); 46 } 47 48 uint16_t 49 letoh16(uint16_t in) 50 { 51 return (((in & 0xff) << 8) | ((in & 0xff00) >> 8)); 52 } 53 54 uint16_t 55 le16toh(uint16_t in) 56 { 57 return (((in & 0xff) << 8) | ((in & 0xff00) >> 8)); 58 } 59 60 uint32_t 61 letoh32(uint32_t in) 62 { 63 return (((in & 0xffUL) << 24) | 64 (in & 0xff00UL) << 8 | 65 (in & 0xff0000UL) >> 8 | 66 ((in & 0xff000000UL) >> 24)); 67 } 68 69 uint32_t 70 le32toh(uint32_t in) 71 { 72 return (((in & 0xffUL) << 24) | 73 (in & 0xff00UL) << 8 | 74 (in & 0xff0000UL) >> 8 | 75 ((in & 0xff000000UL) >> 24)); 76 } 77 78 uint64_t 79 letoh64(uint64_t in) 80 { 81 return (((in & 0xffULL) << 56) | 82 ((in & 0xff00ULL) << 40) | 83 ((in & 0xff0000ULL) << 24) | 84 ((in & 0xff000000ULL) << 8) | 85 ((in & 0xff00000000ULL) >> 8) | 86 ((in & 0xff0000000000ULL) >> 24) | 87 ((in & 0xff000000000000ULL) >> 40) | 88 ((in & 0xff00000000000000ULL) >> 56)); 89 } 90 91 uint64_t 92 le64toh(uint64_t in) 93 { 94 return (((in & 0xffULL) << 56) | 95 ((in & 0xff00ULL) << 40) | 96 ((in & 0xff0000ULL) << 24) | 97 ((in & 0xff000000ULL) << 8) | 98 ((in & 0xff00000000ULL) >> 8) | 99 ((in & 0xff0000000000ULL) >> 24) | 100 ((in & 0xff000000000000ULL) >> 40) | 101 ((in & 0xff00000000000000ULL) >> 56)); 102 } 103 104 /* Anything to or from big-endian is a no-op */ 105 106 uint16_t 107 htobe16(uint16_t in) 108 { 109 return (in); 110 } 111 112 uint32_t 113 htobe32(uint32_t in) 114 { 115 return (in); 116 } 117 118 uint64_t 119 htobe64(uint64_t in) 120 { 121 return (in); 122 } 123 124 uint16_t 125 betoh16(uint16_t in) 126 { 127 return (in); 128 } 129 130 uint16_t 131 be16toh(uint16_t in) 132 { 133 return (in); 134 } 135 136 uint32_t 137 betoh32(uint32_t in) 138 { 139 return (in); 140 } 141 142 uint32_t 143 be32toh(uint32_t in) 144 { 145 return (in); 146 } 147 148 uint64_t 149 betoh64(uint64_t in) 150 { 151 return (in); 152 } 153 154 uint64_t 155 be64toh(uint64_t in) 156 { 157 return (in); 158 } 159