1/*************************************************************************** 2 * _ _ ____ _ 3 * Project ___| | | | _ \| | 4 * / __| | | | |_) | | 5 * | (__| |_| | _ <| |___ 6 * \___|\___/|_| \_\_____| 7 * 8 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 9 * 10 * This software is licensed as described in the file COPYING, which 11 * you should have received as part of this distribution. The terms 12 * are also available at https://curl.se/docs/copyright.html. 13 * 14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell 15 * copies of the Software, and permit persons to whom the Software is 16 * furnished to do so, under the terms of the COPYING file. 17 * 18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 19 * KIND, either express or implied. 20 * 21 * SPDX-License-Identifier: curl 22 * 23 ***************************************************************************/ 24 25#include "curl_setup.h" 26 27#include "curl_endian.h" 28 29/* 30 * Curl_read16_le() 31 * 32 * This function converts a 16-bit integer from the little endian format, as 33 * used in the incoming package to whatever endian format we're using 34 * natively. 35 * 36 * Parameters: 37 * 38 * buf [in] - A pointer to a 2 byte buffer. 39 * 40 * Returns the integer. 41 */ 42unsigned short Curl_read16_le(const unsigned char *buf) 43{ 44 return (unsigned short)(((unsigned short)buf[0]) | 45 ((unsigned short)buf[1] << 8)); 46} 47 48/* 49 * Curl_read32_le() 50 * 51 * This function converts a 32-bit integer from the little endian format, as 52 * used in the incoming package to whatever endian format we're using 53 * natively. 54 * 55 * Parameters: 56 * 57 * buf [in] - A pointer to a 4 byte buffer. 58 * 59 * Returns the integer. 60 */ 61unsigned int Curl_read32_le(const unsigned char *buf) 62{ 63 return ((unsigned int)buf[0]) | ((unsigned int)buf[1] << 8) | 64 ((unsigned int)buf[2] << 16) | ((unsigned int)buf[3] << 24); 65} 66 67/* 68 * Curl_read16_be() 69 * 70 * This function converts a 16-bit integer from the big endian format, as 71 * used in the incoming package to whatever endian format we're using 72 * natively. 73 * 74 * Parameters: 75 * 76 * buf [in] - A pointer to a 2 byte buffer. 77 * 78 * Returns the integer. 79 */ 80unsigned short Curl_read16_be(const unsigned char *buf) 81{ 82 return (unsigned short)(((unsigned short)buf[0] << 8) | 83 ((unsigned short)buf[1])); 84} 85