diff options
Diffstat (limited to 'src/libs/mynewt-nimble/porting/nimble/include/os/endian.h')
| -rw-r--r-- | src/libs/mynewt-nimble/porting/nimble/include/os/endian.h | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/src/libs/mynewt-nimble/porting/nimble/include/os/endian.h b/src/libs/mynewt-nimble/porting/nimble/include/os/endian.h new file mode 100644 index 00000000..e0230756 --- /dev/null +++ b/src/libs/mynewt-nimble/porting/nimble/include/os/endian.h @@ -0,0 +1,229 @@ +/* + * 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 |