72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
/*
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* Spdylay - SPDY Library
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*
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* Copyright (c) 2012 Tatsuhiro Tsujikawa
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "spdylay_helper.h"
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#include <string.h>
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#include <arpa/inet.h>
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void spdylay_put_uint16be(uint8_t *buf, uint16_t n)
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{
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uint16_t x = htons(n);
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memcpy(buf, &x, sizeof(uint16_t));
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}
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void spdylay_put_uint32be(uint8_t *buf, uint32_t n)
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{
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uint32_t x = htonl(n);
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memcpy(buf, &x, sizeof(uint32_t));
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}
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uint16_t spdylay_get_uint16(const uint8_t *data)
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{
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uint16_t n;
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memcpy(&n, data, sizeof(uint16_t));
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return ntohs(n);
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}
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uint32_t spdylay_get_uint32(const uint8_t *data)
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{
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uint32_t n;
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memcpy(&n, data, sizeof(uint32_t));
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return ntohl(n);
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}
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int spdylay_reserve_buffer(uint8_t **buf_ptr, size_t *buflen_ptr,
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size_t min_length)
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{
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if(min_length > *buflen_ptr) {
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min_length = (min_length+4095)/4096*4096;
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uint8_t *temp = malloc(min_length);
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if(temp == NULL) {
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return SPDYLAY_ERR_NOMEM;
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} else {
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free(*buf_ptr);
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*buf_ptr = temp;
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*buflen_ptr = min_length;
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}
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}
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return 0;
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}
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