Helper: Load file content into memory Memory allocated with IM_ALLOC(), must be freed by user using IM_FREE() == ImGui::MemFree() This can't really be used with "rt" because fseek size won't match read size.
| 2399 | // Memory allocated with IM_ALLOC(), must be freed by user using IM_FREE() == ImGui::MemFree() |
| 2400 | // This can't really be used with "rt" because fseek size won't match read size. |
| 2401 | void* ImFileLoadToMemory(const char* filename, const char* mode, size_t* out_file_size, int padding_bytes) |
| 2402 | { |
| 2403 | IM_ASSERT(filename && mode); |
| 2404 | if (out_file_size) |
| 2405 | *out_file_size = 0; |
| 2406 | |
| 2407 | ImFileHandle f; |
| 2408 | if ((f = ImFileOpen(filename, mode)) == NULL) |
| 2409 | return NULL; |
| 2410 | |
| 2411 | size_t file_size = (size_t)ImFileGetSize(f); |
| 2412 | if (file_size == (size_t)-1) |
| 2413 | { |
| 2414 | ImFileClose(f); |
| 2415 | return NULL; |
| 2416 | } |
| 2417 | |
| 2418 | void* file_data = IM_ALLOC(file_size + padding_bytes); |
| 2419 | if (file_data == NULL) |
| 2420 | { |
| 2421 | ImFileClose(f); |
| 2422 | return NULL; |
| 2423 | } |
| 2424 | if (ImFileRead(file_data, 1, file_size, f) != file_size) |
| 2425 | { |
| 2426 | ImFileClose(f); |
| 2427 | IM_FREE(file_data); |
| 2428 | return NULL; |
| 2429 | } |
| 2430 | if (padding_bytes > 0) |
| 2431 | memset((void*)(((char*)file_data) + file_size), 0, (size_t)padding_bytes); |
| 2432 | |
| 2433 | ImFileClose(f); |
| 2434 | if (out_file_size) |
| 2435 | *out_file_size = file_size; |
| 2436 | |
| 2437 | return file_data; |
| 2438 | } |
| 2439 | |
| 2440 | //----------------------------------------------------------------------------- |
| 2441 | // [SECTION] MISC HELPERS/UTILITIES (ImText* functions) |
no test coverage detected