| 1 | /* |
| 2 | Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> |
| 4 | |
| 5 | This software is provided 'as-is', without any express or implied |
| 6 | warranty. In no event will the authors be held liable for any damages |
| 7 | arising from the use of this software. |
| 8 | |
| 9 | Permission is granted to anyone to use this software for any purpose, |
| 10 | including commercial applications, and to alter it and redistribute it |
| 11 | freely, subject to the following restrictions: |
| 12 | |
| 13 | 1. The origin of this software must not be misrepresented; you must not |
| 14 | claim that you wrote the original software. If you use this software |
| 15 | in a product, an acknowledgment in the product documentation would be |
| 16 | appreciated but is not required. |
| 17 | 2. Altered source versions must be plainly marked as such, and must not be |
| 18 | misrepresented as being the original software. |
| 19 | 3. This notice may not be removed or altered from any source distribution. |
| 20 | */ |
| 21 | #include "SDL_internal.h" |
| 22 | |
| 23 | /* This file defines a structure that carries language-independent |
| 24 | error messages |
| 25 | */ |
| 26 | |
| 27 | #ifndef SDL_error_c_h_ |
| 28 | #define SDL_error_c_h_ |
| 29 | |
| 30 | typedef enum |
| 31 | { |
| 32 | SDL_ErrorCodeNone, |
| 33 | SDL_ErrorCodeGeneric, |
| 34 | SDL_ErrorCodeOutOfMemory, |
| 35 | } SDL_ErrorCode; |
| 36 | |
| 37 | typedef struct SDL_error |
| 38 | { |
| 39 | SDL_ErrorCode error; |
| 40 | char *str; |
| 41 | size_t len; |
| 42 | SDL_realloc_func realloc_func; |
| 43 | SDL_free_func free_func; |
| 44 | } SDL_error; |
| 45 | |
| 46 | // Defined in SDL_thread.c |
| 47 | extern SDL_error *SDL_GetErrBuf(bool create); |
| 48 | |
| 49 | // Macros to save and restore error values |
| 50 | #define SDL_PushError() \ |
| 51 | char *saved_error = SDL_strdup(SDL_GetError()) |
| 52 | |
| 53 | #define SDL_PopError() \ |
| 54 | do { \ |
| 55 | if (saved_error) { \ |
| 56 | SDL_SetError("%s", saved_error); \ |
| 57 | SDL_free(saved_error); \ |
| 58 | } \ |
| 59 | } while (0) |
| 60 | |
| 61 | #endif // SDL_error_c_h_ |
| 62 | |