version 1.1.2.1, 2013/06/28 08:39:41
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version 1.2.2.1, 2013/07/01 12:24:43
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#define __APACK_H |
#define __APACK_H |
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typedef struct tagRawPacket { |
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size_t r_len; |
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uint8_t *r_buf; |
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uint8_t *r_next; |
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} rpack_t; |
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#define RPACK_INITIALIZER { .r_len = 0, .r_buf = NULL, .r_next = NULL } |
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#define RPACK_FREE(x) (assert((x)), memset((x), 0, sizeof(rpack_t))) |
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#define RPACK_INIT(x, b, l) do { assert((x)); RPACK_FREE(x); \ |
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(x)->r_buf = (b); \ |
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(x)->r_len = (l); \ |
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(x)->r_next = (x)->r_buf; \ |
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} while (0) |
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#define RPACK_SANITY(x) ((x) && (x)->r_buf && (x)->r_next && (x)->r_next >= (x)->r_buf) |
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#define RPACK_LEN(x) (assert((x)), (x)->r_len) |
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#define RPACK_REWIND(x) (assert((x)), (x)->r_next = (x)->r_buf) |
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#define RPACK_SET_16(x, n) do { assert((x)); \ |
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*((uint8_t *) (x) + 1) = *((const uint8_t *) (n) + 1); \ |
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*((uint8_t *) (x) + 0) = *((const uint8_t *) (n) + 0); \ |
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} while (0) |
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#define RPACK_SET_24(x, n) do { assert((x)); \ |
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*((uint8_t *) (x) + 2) = *((const uint8_t *) (n) + 2); \ |
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*((uint8_t *) (x) + 1) = *((const uint8_t *) (n) + 1); \ |
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*((uint8_t *) (x) + 0) = *((const uint8_t *) (n) + 0); \ |
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} while (0) |
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#define RPACK_SET_32(x, n) do { assert((x)); \ |
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*((uint8_t *) (x) + 3) = *((const uint8_t *) (n) + 3); \ |
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*((uint8_t *) (x) + 2) = *((const uint8_t *) (n) + 2); \ |
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*((uint8_t *) (x) + 1) = *((const uint8_t *) (n) + 1); \ |
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*((uint8_t *) (x) + 0) = *((const uint8_t *) (n) + 0); \ |
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} while (0) |
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#define RPACK_SET_64(x, n) do { assert((x)); \ |
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*((uint8_t *) (x) + 7) = *((const uint8_t *) (n) + 7); \ |
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*((uint8_t *) (x) + 6) = *((const uint8_t *) (n) + 6); \ |
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*((uint8_t *) (x) + 5) = *((const uint8_t *) (n) + 5); \ |
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*((uint8_t *) (x) + 4) = *((const uint8_t *) (n) + 4); \ |
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*((uint8_t *) (x) + 3) = *((const uint8_t *) (n) + 3); \ |
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*((uint8_t *) (x) + 2) = *((const uint8_t *) (n) + 2); \ |
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*((uint8_t *) (x) + 1) = *((const uint8_t *) (n) + 1); \ |
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*((uint8_t *) (x) + 0) = *((const uint8_t *) (n) + 0); \ |
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} while (0) |
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#define EXTRACT_LE_8(x) (assert((x)), *(x)) |
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#define EXTRACT_LE_16(x) (assert((x)), (u_int16_t) ( \ |
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(uint16_t) *((const uint8_t *) (x) + 1) << 8 | \ |
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(uint16_t) *((const uint8_t *) (x) + 0) \ |
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)) |
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#define EXTRACT_LE_24(x) (assert((x)), (u_int32_t) ( \ |
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(uint32_t) *((const uint8_t *) (x) + 2) << 16 | \ |
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(uint32_t) *((const uint8_t *) (x) + 1) << 8 | \ |
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(uint32_t) *((const uint8_t *) (x) + 0) \ |
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)) |
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#define EXTRACT_LE_32(x) (assert((x)), (u_int32_t) ( \ |
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(uint32_t) *((const uint8_t *) (x) + 3) << 24 | \ |
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(uint32_t) *((const uint8_t *) (x) + 2) << 16 | \ |
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(uint32_t) *((const uint8_t *) (x) + 1) << 8 | \ |
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(uint32_t) *((const uint8_t *) (x) + 0) \ |
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)) |
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#define EXTRACT_LE_64(x) (assert((x)), (u_int64_t) ( \ |
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(uint64_t) *((const uint8_t *) (x) + 7) << 56 | \ |
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(uint64_t) *((const uint8_t *) (x) + 6) << 48 | \ |
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(uint64_t) *((const uint8_t *) (x) + 5) << 40 | \ |
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(uint64_t) *((const uint8_t *) (x) + 4) << 32 | \ |
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(uint64_t) *((const uint8_t *) (x) + 3) << 24 | \ |
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(uint64_t) *((const uint8_t *) (x) + 2) << 16 | \ |
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(uint64_t) *((const uint8_t *) (x) + 1) << 8 | \ |
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(uint64_t) *((const uint8_t *) (x) + 0) \ |
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)) |
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#define EXTRACT_BE_8(x) (assert((x)), *(x)) |
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#define EXTRACT_BE_16(x) (assert((x)), (u_int16_t) ( \ |
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(uint16_t) *((const uint8_t *) (x) + 0) << 8 | \ |
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(uint16_t) *((const uint8_t *) (x) + 1) \ |
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)) |
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#define EXTRACT_BE_24(x) (assert((x)), (u_int32_t) ( \ |
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(uint32_t) *((const uint8_t *) (x) + 0) << 16 | \ |
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(uint32_t) *((const uint8_t *) (x) + 1) << 8 | \ |
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(uint32_t) *((const uint8_t *) (x) + 2) \ |
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)) |
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#define EXTRACT_BE_32(x) (assert((x)), (u_int32_t) ( \ |
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(uint32_t) *((const uint8_t *) (x) + 0) << 24 | \ |
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(uint32_t) *((const uint8_t *) (x) + 1) << 16 | \ |
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(uint32_t) *((const uint8_t *) (x) + 2) << 8 | \ |
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(uint32_t) *((const uint8_t *) (x) + 3) \ |
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)) |
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#define EXTRACT_BE_64(x) (assert((x)), (u_int64_t) ( \ |
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(uint64_t) *((const uint8_t *) (x) + 0) << 56 | \ |
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(uint64_t) *((const uint8_t *) (x) + 1) << 48 | \ |
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(uint64_t) *((const uint8_t *) (x) + 2) << 40 | \ |
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(uint64_t) *((const uint8_t *) (x) + 3) << 32 | \ |
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(uint64_t) *((const uint8_t *) (x) + 4) << 24 | \ |
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(uint64_t) *((const uint8_t *) (x) + 5) << 16 | \ |
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(uint64_t) *((const uint8_t *) (x) + 6) << 8 | \ |
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(uint64_t) *((const uint8_t *) (x) + 7) \ |
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)) |
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/* |
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* rpack_align_and_reserve() - Align & reserve space |
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* |
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* @rp = raw buffer |
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* @siz = need size |
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* return: NULL error or not enough space, !=NULL next position |
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*/ |
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uint8_t *rpack_align_and_reserve(rpack_t * __restrict rp, size_t siz); |
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/* |
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* rpack_create() - Allocate & init raw packet structure |
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* |
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* @buf = buffer |
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* @buflen = length of buffer |
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* return: NULL error or !=NULL raw packet, should be freed by rpack_destroy() |
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*/ |
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rpack_t *rpack_create(void * __restrict buf, size_t buflen); |
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/* |
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* rpack_destroy() - Release & free raw packet structure |
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* |
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* @rp = raw packet |
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* return: none |
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*/ |
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void rpack_destroy(rpack_t ** __restrict rp); |
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/* |
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* rpack_uint8() - Pack/Unpack 8bit value |
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* |
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* @rp = raw buffer |
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* @n = set value if !=NULL |
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* return: -1 error or get value |
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*/ |
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uint8_t rpack_uint8(rpack_t * __restrict rp, uint8_t * __restrict n); |
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/* |
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* rpack_uint16() - Pack/Unpack 16bit value |
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* |
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* @rp = raw buffer |
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* @n = set value if !=NULL |
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* return: -1 error or get value |
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*/ |
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uint16_t rpack_uint16(rpack_t * __restrict rp, uint16_t * __restrict n); |
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/* |
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* rpack_uint24() - Pack/Unpack 24bit value |
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* |
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* @rp = raw buffer |
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* @n = set value if !=NULL |
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* return: -1 error or get value |
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*/ |
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uint32_t rpack_uint24(rpack_t * __restrict rp, uint32_t * __restrict n); |
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/* |
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* rpack_uint32() - Pack/Unpack 32bit value |
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* |
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* @rp = raw buffer |
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* @n = set value if !=NULL |
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* return: -1 error or get value |
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*/ |
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uint32_t rpack_uint32(rpack_t * __restrict rp, uint32_t * __restrict n); |
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/* |
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* rpack_uint64() - Pack/Unpack 64bit value |
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* |
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* @rp = raw buffer |
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* @n = set value if !=NULL |
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* return: -1 error or get value |
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*/ |
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uint64_t rpack_uint64(rpack_t * __restrict rp, uint64_t * __restrict n); |
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#endif |
#endif |