| 1 | /* Copyright (C) 2010-2020 The RetroArch team |
| 2 | * |
| 3 | * --------------------------------------------------------------------------------------- |
| 4 | * The following license statement only applies to this file (retro_miscellaneous.h). |
| 5 | * --------------------------------------------------------------------------------------- |
| 6 | * |
| 7 | * Permission is hereby granted, free of charge, |
| 8 | * to any person obtaining a copy of this software and associated documentation files (the "Software"), |
| 9 | * to deal in the Software without restriction, including without limitation the rights to |
| 10 | * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, |
| 11 | * and to permit persons to whom the Software is furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, |
| 16 | * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 18 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| 19 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #ifndef __RARCH_MISCELLANEOUS_H |
| 24 | #define __RARCH_MISCELLANEOUS_H |
| 25 | |
| 26 | #define RARCH_MAX_SUBSYSTEMS 10 |
| 27 | #define RARCH_MAX_SUBSYSTEM_ROMS 10 |
| 28 | |
| 29 | #include <stdint.h> |
| 30 | #include <boolean.h> |
| 31 | #include <retro_inline.h> |
| 32 | |
| 33 | #if defined(_WIN32) |
| 34 | |
| 35 | #if defined(_XBOX) |
| 36 | #include <Xtl.h> |
| 37 | #else |
| 38 | #ifndef WIN32_LEAN_AND_MEAN |
| 39 | #define WIN32_LEAN_AND_MEAN |
| 40 | #endif |
| 41 | #include <windows.h> |
| 42 | #endif |
| 43 | |
| 44 | #endif |
| 45 | |
| 46 | #if defined(__CELLOS_LV2__) && !defined(__PSL1GHT__) |
| 47 | #include <sys/fs_external.h> |
| 48 | #endif |
| 49 | |
| 50 | #include <limits.h> |
| 51 | |
| 52 | #ifdef _MSC_VER |
| 53 | #include <compat/msvc.h> |
| 54 | #endif |
| 55 | |
| 56 | static INLINE void bits_or_bits(uint32_t *a, uint32_t *b, uint32_t count) |
| 57 | { |
| 58 | uint32_t i; |
| 59 | for (i = 0; i < count;i++) |
| 60 | a[i] |= b[i]; |
| 61 | } |
| 62 | |
| 63 | static INLINE void bits_clear_bits(uint32_t *a, uint32_t *b, uint32_t count) |
| 64 | { |
| 65 | uint32_t i; |
| 66 | for (i = 0; i < count;i++) |
| 67 | a[i] &= ~b[i]; |
| 68 | } |
| 69 | |
| 70 | static INLINE bool bits_any_set(uint32_t* ptr, uint32_t count) |
| 71 | { |
| 72 | uint32_t i; |
| 73 | for (i = 0; i < count; i++) |
| 74 | { |
| 75 | if (ptr[i] != 0) |
| 76 | return true; |
| 77 | } |
| 78 | return false; |
| 79 | } |
| 80 | |
| 81 | #ifndef PATH_MAX_LENGTH |
| 82 | #if defined(__CELLOS_LV2__) && !defined(__PSL1GHT__) |
| 83 | #define PATH_MAX_LENGTH CELL_FS_MAX_FS_PATH_LENGTH |
| 84 | #elif defined(_XBOX1) || defined(_3DS) || defined(PSP) || defined(PS2) || defined(GEKKO)|| defined(WIIU) || defined(ORBIS) |
| 85 | #define PATH_MAX_LENGTH 512 |
| 86 | #else |
| 87 | #define PATH_MAX_LENGTH 4096 |
| 88 | #endif |
| 89 | #endif |
| 90 | |
| 91 | #ifndef MAX |
| 92 | #define MAX(a, b) ((a) > (b) ? (a) : (b)) |
| 93 | #endif |
| 94 | |
| 95 | #ifndef MIN |
| 96 | #define MIN(a, b) ((a) < (b) ? (a) : (b)) |
| 97 | #endif |
| 98 | |
| 99 | #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) |
| 100 | |
| 101 | #define BITS_GET_ELEM(a, i) ((a).data[i]) |
| 102 | #define BITS_GET_ELEM_PTR(a, i) ((a)->data[i]) |
| 103 | |
| 104 | #define BIT_SET(a, bit) ((a)[(bit) >> 3] |= (1 << ((bit) & 7))) |
| 105 | #define BIT_CLEAR(a, bit) ((a)[(bit) >> 3] &= ~(1 << ((bit) & 7))) |
| 106 | #define BIT_GET(a, bit) (((a)[(bit) >> 3] >> ((bit) & 7)) & 1) |
| 107 | |
| 108 | #define BIT16_SET(a, bit) ((a) |= (1 << ((bit) & 15))) |
| 109 | #define BIT16_CLEAR(a, bit) ((a) &= ~(1 << ((bit) & 15))) |
| 110 | #define BIT16_GET(a, bit) (((a) >> ((bit) & 15)) & 1) |
| 111 | #define BIT16_CLEAR_ALL(a) ((a) = 0) |
| 112 | |
| 113 | #define BIT32_SET(a, bit) ((a) |= (UINT32_C(1) << ((bit) & 31))) |
| 114 | #define BIT32_CLEAR(a, bit) ((a) &= ~(UINT32_C(1) << ((bit) & 31))) |
| 115 | #define BIT32_GET(a, bit) (((a) >> ((bit) & 31)) & 1) |
| 116 | #define BIT32_CLEAR_ALL(a) ((a) = 0) |
| 117 | |
| 118 | #define BIT64_SET(a, bit) ((a) |= (UINT64_C(1) << ((bit) & 63))) |
| 119 | #define BIT64_CLEAR(a, bit) ((a) &= ~(UINT64_C(1) << ((bit) & 63))) |
| 120 | #define BIT64_GET(a, bit) (((a) >> ((bit) & 63)) & 1) |
| 121 | #define BIT64_CLEAR_ALL(a) ((a) = 0) |
| 122 | |
| 123 | #define BIT128_SET(a, bit) ((a).data[(bit) >> 5] |= (UINT32_C(1) << ((bit) & 31))) |
| 124 | #define BIT128_CLEAR(a, bit) ((a).data[(bit) >> 5] &= ~(UINT32_C(1) << ((bit) & 31))) |
| 125 | #define BIT128_GET(a, bit) (((a).data[(bit) >> 5] >> ((bit) & 31)) & 1) |
| 126 | #define BIT128_CLEAR_ALL(a) memset(&(a), 0, sizeof(a)) |
| 127 | |
| 128 | #define BIT128_SET_PTR(a, bit) BIT128_SET(*a, bit) |
| 129 | #define BIT128_CLEAR_PTR(a, bit) BIT128_CLEAR(*a, bit) |
| 130 | #define BIT128_GET_PTR(a, bit) BIT128_GET(*a, bit) |
| 131 | #define BIT128_CLEAR_ALL_PTR(a) BIT128_CLEAR_ALL(*a) |
| 132 | |
| 133 | #define BIT256_SET(a, bit) BIT128_SET(a, bit) |
| 134 | #define BIT256_CLEAR(a, bit) BIT128_CLEAR(a, bit) |
| 135 | #define BIT256_GET(a, bit) BIT128_GET(a, bit) |
| 136 | #define BIT256_CLEAR_ALL(a) BIT128_CLEAR_ALL(a) |
| 137 | |
| 138 | #define BIT256_SET_PTR(a, bit) BIT256_SET(*a, bit) |
| 139 | #define BIT256_CLEAR_PTR(a, bit) BIT256_CLEAR(*a, bit) |
| 140 | #define BIT256_GET_PTR(a, bit) BIT256_GET(*a, bit) |
| 141 | #define BIT256_CLEAR_ALL_PTR(a) BIT256_CLEAR_ALL(*a) |
| 142 | |
| 143 | #define BITS_COPY16_PTR(a,bits) \ |
| 144 | { \ |
| 145 | BIT128_CLEAR_ALL_PTR(a); \ |
| 146 | BITS_GET_ELEM_PTR(a, 0) = (bits) & 0xffff; \ |
| 147 | } |
| 148 | |
| 149 | #define BITS_COPY32_PTR(a,bits) \ |
| 150 | { \ |
| 151 | BIT128_CLEAR_ALL_PTR(a); \ |
| 152 | BITS_GET_ELEM_PTR(a, 0) = (bits); \ |
| 153 | } |
| 154 | |
| 155 | /* Helper macros and struct to keep track of many booleans. */ |
| 156 | /* This struct has 256 bits. */ |
| 157 | typedef struct |
| 158 | { |
| 159 | uint32_t data[8]; |
| 160 | } retro_bits_t; |
| 161 | |
| 162 | #ifdef _WIN32 |
| 163 | # ifdef _WIN64 |
| 164 | # define PRI_SIZET PRIu64 |
| 165 | # else |
| 166 | # if _MSC_VER == 1800 |
| 167 | # define PRI_SIZET PRIu32 |
| 168 | # else |
| 169 | # define PRI_SIZET "u" |
| 170 | # endif |
| 171 | # endif |
| 172 | #elif defined(PS2) |
| 173 | # define PRI_SIZET "u" |
| 174 | #else |
| 175 | # if (SIZE_MAX == 0xFFFF) |
| 176 | # define PRI_SIZET "hu" |
| 177 | # elif (SIZE_MAX == 0xFFFFFFFF) |
| 178 | # define PRI_SIZET "u" |
| 179 | # elif (SIZE_MAX == 0xFFFFFFFFFFFFFFFF) |
| 180 | # define PRI_SIZET "lu" |
| 181 | # else |
| 182 | # error PRI_SIZET: unknown SIZE_MAX |
| 183 | # endif |
| 184 | #endif |
| 185 | |
| 186 | #endif |