mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-23 11:17:09 +08:00
77 lines
1.7 KiB
C++
77 lines
1.7 KiB
C++
/*
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* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
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*
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* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
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*
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* Use of this source code is governed by MIT license that can be found in the
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* LICENSE file in the root of the source tree. All contributing project authors
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* may be found in the AUTHORS file in the root of the source tree.
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*/
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#include "utils.h"
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include "Util/util.h"
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#include "Network/sockutil.h"
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using namespace toolkit;
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/*
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* Used to do unaligned loads on archs that don't support them. GCC can mostly
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* optimize these away.
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*/
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uint32_t load_be32(const void *p)
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{
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uint32_t val;
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memcpy(&val, p, sizeof val);
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return ntohl(val);
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}
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uint16_t load_be16(const void *p)
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{
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uint16_t val;
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memcpy(&val, p, sizeof val);
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return ntohs(val);
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}
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uint32_t load_le32(const void *p)
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{
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const uint8_t *data = (const uint8_t *) p;
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return data[0] | ((uint32_t) data[1] << 8) |
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((uint32_t) data[2] << 16) | ((uint32_t) data[3] << 24);
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}
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uint32_t load_be24(const void *p)
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{
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const uint8_t *data = (const uint8_t *) p;
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return data[2] | ((uint32_t) data[1] << 8) | ((uint32_t) data[0] << 16);
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}
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void set_be24(void *p, uint32_t val)
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{
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uint8_t *data = (uint8_t *) p;
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data[0] = val >> 16;
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data[1] = val >> 8;
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data[2] = val;
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}
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void set_le32(void *p, uint32_t val)
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{
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uint8_t *data = (uint8_t *) p;
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data[0] = val;
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data[1] = val >> 8;
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data[2] = val >> 16;
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data[3] = val >> 24;
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}
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void set_be32(void *p, uint32_t val)
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{
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uint8_t *data = (uint8_t *) p;
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data[3] = val;
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data[2] = val >> 8;
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data[1] = val >> 16;
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data[0] = val >> 24;
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}
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