| 10460 | } |
| 10461 | |
| 10462 | int ParseEXRVersionFromFile(EXRVersion *version, const char *filename) { |
| 10463 | if (filename == NULL) { |
| 10464 | return TINYEXR_ERROR_INVALID_ARGUMENT; |
| 10465 | } |
| 10466 | |
| 10467 | FILE *fp = NULL; |
| 10468 | #ifdef _WIN32 |
| 10469 | #if defined(_MSC_VER) || (defined(MINGW_HAS_SECURE_API) && MINGW_HAS_SECURE_API) // MSVC, MinGW GCC, or Clang. |
| 10470 | errno_t err = _wfopen_s(&fp, tinyexr::UTF8ToWchar(filename).c_str(), L"rb"); |
| 10471 | if (err != 0) { |
| 10472 | // TODO(syoyo): return wfopen_s erro code |
| 10473 | return TINYEXR_ERROR_CANT_OPEN_FILE; |
| 10474 | } |
| 10475 | #else |
| 10476 | // Unknown compiler or MinGW without MINGW_HAS_SECURE_API. |
| 10477 | fp = fopen(filename, "rb"); |
| 10478 | #endif |
| 10479 | #else |
| 10480 | fp = fopen(filename, "rb"); |
| 10481 | #endif |
| 10482 | if (!fp) { |
| 10483 | return TINYEXR_ERROR_CANT_OPEN_FILE; |
| 10484 | } |
| 10485 | |
| 10486 | // Try to read kEXRVersionSize bytes; if the file is shorter than |
| 10487 | // kEXRVersionSize, this will produce an error. This avoids a call to |
| 10488 | // fseek(fp, 0, SEEK_END), which is not required to be supported by C |
| 10489 | // implementations. |
| 10490 | unsigned char buf[tinyexr::kEXRVersionSize]; |
| 10491 | size_t ret = fread(&buf[0], 1, tinyexr::kEXRVersionSize, fp); |
| 10492 | fclose(fp); |
| 10493 | |
| 10494 | if (ret != tinyexr::kEXRVersionSize) { |
| 10495 | return TINYEXR_ERROR_INVALID_FILE; |
| 10496 | } |
| 10497 | |
| 10498 | return ParseEXRVersionFromMemory(version, buf, tinyexr::kEXRVersionSize); |
| 10499 | } |
| 10500 | |
| 10501 | int LoadEXRMultipartImageFromMemory(EXRImage *exr_images, |
| 10502 | const EXRHeader **exr_headers, |
no test coverage detected