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https://github.com/moparisthebest/spdylay
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5deef03687
spdylay_net.h is compatibility layer for network related header files. In the nature of spdylay library it should not depend on the actual networking implementations, but we need some system headers for optimization. Currently, arpha/inet.h and netinet/in.h are needed for ntoh*/hton* functions.
74 lines
2.1 KiB
C
74 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 "spdylay_net.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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uint8_t *temp;
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min_length = (min_length+4095)/4096*4096;
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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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