1*6236dae4SAndroid Build Coastguard Worker /***************************************************************************
2*6236dae4SAndroid Build Coastguard Worker * _ _ ____ _
3*6236dae4SAndroid Build Coastguard Worker * Project ___| | | | _ \| |
4*6236dae4SAndroid Build Coastguard Worker * / __| | | | |_) | |
5*6236dae4SAndroid Build Coastguard Worker * | (__| |_| | _ <| |___
6*6236dae4SAndroid Build Coastguard Worker * \___|\___/|_| \_\_____|
7*6236dae4SAndroid Build Coastguard Worker *
8*6236dae4SAndroid Build Coastguard Worker * Copyright (C) Daniel Stenberg, <[email protected]>, et al.
9*6236dae4SAndroid Build Coastguard Worker *
10*6236dae4SAndroid Build Coastguard Worker * This software is licensed as described in the file COPYING, which
11*6236dae4SAndroid Build Coastguard Worker * you should have received as part of this distribution. The terms
12*6236dae4SAndroid Build Coastguard Worker * are also available at https://curl.se/docs/copyright.html.
13*6236dae4SAndroid Build Coastguard Worker *
14*6236dae4SAndroid Build Coastguard Worker * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15*6236dae4SAndroid Build Coastguard Worker * copies of the Software, and permit persons to whom the Software is
16*6236dae4SAndroid Build Coastguard Worker * furnished to do so, under the terms of the COPYING file.
17*6236dae4SAndroid Build Coastguard Worker *
18*6236dae4SAndroid Build Coastguard Worker * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19*6236dae4SAndroid Build Coastguard Worker * KIND, either express or implied.
20*6236dae4SAndroid Build Coastguard Worker *
21*6236dae4SAndroid Build Coastguard Worker * SPDX-License-Identifier: curl
22*6236dae4SAndroid Build Coastguard Worker *
23*6236dae4SAndroid Build Coastguard Worker ***************************************************************************/
24*6236dae4SAndroid Build Coastguard Worker
25*6236dae4SAndroid Build Coastguard Worker #include "curl_setup.h"
26*6236dae4SAndroid Build Coastguard Worker
27*6236dae4SAndroid Build Coastguard Worker #include "curl_endian.h"
28*6236dae4SAndroid Build Coastguard Worker
29*6236dae4SAndroid Build Coastguard Worker /*
30*6236dae4SAndroid Build Coastguard Worker * Curl_read16_le()
31*6236dae4SAndroid Build Coastguard Worker *
32*6236dae4SAndroid Build Coastguard Worker * This function converts a 16-bit integer from the little endian format, as
33*6236dae4SAndroid Build Coastguard Worker * used in the incoming package to whatever endian format we are using
34*6236dae4SAndroid Build Coastguard Worker * natively.
35*6236dae4SAndroid Build Coastguard Worker *
36*6236dae4SAndroid Build Coastguard Worker * Parameters:
37*6236dae4SAndroid Build Coastguard Worker *
38*6236dae4SAndroid Build Coastguard Worker * buf [in] - A pointer to a 2 byte buffer.
39*6236dae4SAndroid Build Coastguard Worker *
40*6236dae4SAndroid Build Coastguard Worker * Returns the integer.
41*6236dae4SAndroid Build Coastguard Worker */
Curl_read16_le(const unsigned char * buf)42*6236dae4SAndroid Build Coastguard Worker unsigned short Curl_read16_le(const unsigned char *buf)
43*6236dae4SAndroid Build Coastguard Worker {
44*6236dae4SAndroid Build Coastguard Worker return (unsigned short)(((unsigned short)buf[0]) |
45*6236dae4SAndroid Build Coastguard Worker ((unsigned short)buf[1] << 8));
46*6236dae4SAndroid Build Coastguard Worker }
47*6236dae4SAndroid Build Coastguard Worker
48*6236dae4SAndroid Build Coastguard Worker /*
49*6236dae4SAndroid Build Coastguard Worker * Curl_read32_le()
50*6236dae4SAndroid Build Coastguard Worker *
51*6236dae4SAndroid Build Coastguard Worker * This function converts a 32-bit integer from the little endian format, as
52*6236dae4SAndroid Build Coastguard Worker * used in the incoming package to whatever endian format we are using
53*6236dae4SAndroid Build Coastguard Worker * natively.
54*6236dae4SAndroid Build Coastguard Worker *
55*6236dae4SAndroid Build Coastguard Worker * Parameters:
56*6236dae4SAndroid Build Coastguard Worker *
57*6236dae4SAndroid Build Coastguard Worker * buf [in] - A pointer to a 4 byte buffer.
58*6236dae4SAndroid Build Coastguard Worker *
59*6236dae4SAndroid Build Coastguard Worker * Returns the integer.
60*6236dae4SAndroid Build Coastguard Worker */
Curl_read32_le(const unsigned char * buf)61*6236dae4SAndroid Build Coastguard Worker unsigned int Curl_read32_le(const unsigned char *buf)
62*6236dae4SAndroid Build Coastguard Worker {
63*6236dae4SAndroid Build Coastguard Worker return ((unsigned int)buf[0]) | ((unsigned int)buf[1] << 8) |
64*6236dae4SAndroid Build Coastguard Worker ((unsigned int)buf[2] << 16) | ((unsigned int)buf[3] << 24);
65*6236dae4SAndroid Build Coastguard Worker }
66*6236dae4SAndroid Build Coastguard Worker
67*6236dae4SAndroid Build Coastguard Worker /*
68*6236dae4SAndroid Build Coastguard Worker * Curl_read16_be()
69*6236dae4SAndroid Build Coastguard Worker *
70*6236dae4SAndroid Build Coastguard Worker * This function converts a 16-bit integer from the big endian format, as
71*6236dae4SAndroid Build Coastguard Worker * used in the incoming package to whatever endian format we are using
72*6236dae4SAndroid Build Coastguard Worker * natively.
73*6236dae4SAndroid Build Coastguard Worker *
74*6236dae4SAndroid Build Coastguard Worker * Parameters:
75*6236dae4SAndroid Build Coastguard Worker *
76*6236dae4SAndroid Build Coastguard Worker * buf [in] - A pointer to a 2 byte buffer.
77*6236dae4SAndroid Build Coastguard Worker *
78*6236dae4SAndroid Build Coastguard Worker * Returns the integer.
79*6236dae4SAndroid Build Coastguard Worker */
Curl_read16_be(const unsigned char * buf)80*6236dae4SAndroid Build Coastguard Worker unsigned short Curl_read16_be(const unsigned char *buf)
81*6236dae4SAndroid Build Coastguard Worker {
82*6236dae4SAndroid Build Coastguard Worker return (unsigned short)(((unsigned short)buf[0] << 8) |
83*6236dae4SAndroid Build Coastguard Worker ((unsigned short)buf[1]));
84*6236dae4SAndroid Build Coastguard Worker }
85