ref: 45e65b66b11b6b8533b225067ce4c2a4b5eac653
src/libs/mynewt-nimble/porting/nimble/include/os/endian.h
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 |
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ #ifndef H_ENDIAN_ #define H_ENDIAN_ #include <inttypes.h> #ifdef __cplusplus extern "C" { #endif /* Internal helpers */ #ifndef os_bswap_64 #define os_bswap_64(x) ((uint64_t) \ ((((x) & 0xff00000000000000ull) >> 56) | \ (((x) & 0x00ff000000000000ull) >> 40) | \ (((x) & 0x0000ff0000000000ull) >> 24) | \ (((x) & 0x000000ff00000000ull) >> 8) | \ (((x) & 0x00000000ff000000ull) << 8) | \ (((x) & 0x0000000000ff0000ull) << 24) | \ (((x) & 0x000000000000ff00ull) << 40) | \ (((x) & 0x00000000000000ffull) << 56))) #endif #ifndef os_bswap_32 #define os_bswap_32(x) ((uint32_t) \ ((((x) & 0xff000000) >> 24) | \ (((x) & 0x00ff0000) >> 8) | \ (((x) & 0x0000ff00) << 8) | \ (((x) & 0x000000ff) << 24))) #endif #ifndef os_bswap_16 #define os_bswap_16(x) ((uint16_t) \ ((((x) & 0xff00) >> 8) | \ (((x) & 0x00ff) << 8))) #endif #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ #ifndef ntohll #define ntohll(x) ((uint64_t)(x)) #endif #ifndef htonll #define htonll(x) ((uint64_t)(x)) #endif #ifndef ntohl #define ntohl(x) ((uint32_t)(x)) #endif #ifndef htonl #define htonl(x) ((uint32_t)(x)) #endif #ifndef ntohs #define ntohs(x) ((uint16_t)(x)) #endif #ifndef htons #define htons(x) ((uint16_t)(x)) #endif #ifndef htobe16 #define htobe16(x) ((uint16_t)(x)) #endif #ifndef htole16 #define htole16(x) os_bswap_16 (x) #endif #ifndef be16toh #define be16toh(x) ((uint16_t)(x)) #endif #ifndef le16toh #define le16toh(x) os_bswap_16 (x) #endif #ifndef htobe32 #define htobe32(x) ((uint32_t)(x)) #endif #ifndef htole32 #define htole32(x) os_bswap_32 (x) #endif #ifndef be32toh #define be32toh(x) ((uint32_t)(x)) #endif #ifndef le32toh #define le32toh(x) os_bswap_32 (x) #endif #ifndef htobe64 #define htobe64(x) ((uint64_t)(x)) #endif #ifndef htole64 #define htole64(x) os_bswap_64 (x) #endif #ifndef be64toh #define be64toh(x) ((uint64_t)(x)) #endif #ifndef le64toh #define le64toh(x) os_bswap_64 (x) #endif #else #ifndef ntohll #define ntohll(x) os_bswap_64(x) #endif #ifndef htonll #define htonll ntohll #endif #ifndef ntohl #define ntohl(x) os_bswap_32(x) #endif #ifndef htonl #define htonl ntohl #endif #ifndef htons #define htons(x) os_bswap_16(x) #endif #ifndef ntohs #define ntohs htons #endif #ifndef htobe16 #define htobe16(x) os_bswap_16(x) #endif #ifndef htole16 #define htole16(x) ((uint16_t)(x)) #endif #ifndef be16toh #define be16toh(x) os_bswap_16(x) #endif #ifndef le16toh #define le16toh(x) ((uint16_t)(x)) #endif #ifndef htobe32 #define htobe32(x) os_bswap_32(x) #endif #ifndef htole32 #define htole32(x) ((uint32_t)(x)) #endif #ifndef be32toh #define be32toh(x) os_bswap_32(x) #endif #ifndef le32toh #define le32toh(x) ((uint32_t)(x)) #endif #ifndef htobe64 #define htobe64(x) os_bswap64(x) #endif #ifndef htole64 #define htole64(x) ((uint64_t)(x)) #endif #ifndef be64toh #define be64toh(x) os_bswap64(x) #endif #ifndef le64toh #define le64toh(x) ((uint64_t)(x)) #endif #endif void put_le16(void *buf, uint16_t x); void put_le24(void *buf, uint32_t x); void put_le32(void *buf, uint32_t x); void put_le64(void *buf, uint64_t x); uint16_t get_le16(const void *buf); uint32_t get_le24(const void *buf); uint32_t get_le32(const void *buf); uint64_t get_le64(const void *buf); void put_be16(void *buf, uint16_t x); void put_be24(void *buf, uint32_t x); void put_be32(void *buf, uint32_t x); void put_be64(void *buf, uint64_t x); uint16_t get_be16(const void *buf); uint32_t get_be24(const void *buf); uint32_t get_be32(const void *buf); uint64_t get_be64(const void *buf); void swap_in_place(void *buf, int len); void swap_buf(uint8_t *dst, const uint8_t *src, int len); #ifdef __cplusplus } #endif #endif |