1/**
2 * Copyright (c) 2006-2023 LOVE Development Team
3 *
4 * This software is provided 'as-is', without any express or implied
5 * warranty. In no event will the authors be held liable for any damages
6 * arising from the use of this software.
7 *
8 * Permission is granted to anyone to use this software for any purpose,
9 * including commercial applications, and to alter it and redistribute it
10 * freely, subject to the following restrictions:
11 *
12 * 1. The origin of this software must not be misrepresented; you must not
13 * claim that you wrote the original software. If you use this software
14 * in a product, an acknowledgment in the product documentation would be
15 * appreciated but is not required.
16 * 2. Altered source versions must be plainly marked as such, and must not be
17 * misrepresented as being the original software.
18 * 3. This notice may not be removed or altered from any source distribution.
19 **/
20
21#ifndef LOVE_INT_H
22#define LOVE_INT_H
23
24// C standard sized integer types.
25#include <stdint.h>
26
27#define LOVE_INT8_MAX 0x7F
28#define LOVE_UINT8_MAX 0xFF
29#define LOVE_INT16_MAX 0x7FFF
30#define LOVE_UINT16_MAX 0xFFFF
31#define LOVE_INT32_MAX 0x7FFFFFFF
32#define LOVE_UINT32_MAX 0xFFFFFFFF
33#define LOVE_INT64_MAX 0x7FFFFFFFFFFFFFFF
34#define LOVE_UINT64_MAX 0xFFFFFFFFFFFFFFFF
35
36namespace love
37{
38
39typedef int8_t int8;
40typedef uint8_t uint8;
41typedef int16_t int16;
42typedef uint16_t uint16;
43typedef int32_t int32;
44typedef uint32_t uint32;
45typedef int64_t int64;
46typedef uint64_t uint64;
47
48static inline uint16 swapuint16(uint16 x)
49{
50 return (x >> 8) | (x << 8);
51}
52
53static inline uint32 swapuint32(uint32 x)
54{
55 return ((x & 0x000000FF) << 24) |
56 ((x & 0x0000FF00) << 8) |
57 ((x & 0x00FF0000) >> 8) |
58 ((x & 0xFF000000) >> 24);
59}
60
61static inline uint64 swapuint64(uint64 x)
62{
63 return ((x << 56) & 0xFF00000000000000ULL) | ((x << 40) & 0x00FF000000000000ULL) |
64 ((x << 24) & 0x0000FF0000000000ULL) | ((x << 8) & 0x000000FF00000000ULL) |
65 ((x >> 8) & 0x00000000FF000000ULL) | ((x >> 24) & 0x0000000000FF0000ULL) |
66 ((x >> 40) & 0x000000000000FF00ULL) | ((x >> 56) & 0x00000000000000FFULL);
67}
68
69} // love
70
71#endif // LOVE_INT_H
72