| 8902 | } |
| 8903 | |
| 8904 | int ParseEXRVersionFromFile(EXRVersion *version, const char *filename) { |
| 8905 | if (filename == NULL) { |
| 8906 | return TINYEXR_ERROR_INVALID_ARGUMENT; |
| 8907 | } |
| 8908 | |
| 8909 | FILE *fp = NULL; |
| 8910 | #ifdef _WIN32 |
| 8911 | #if defined(_MSC_VER) || (defined(MINGW_HAS_SECURE_API) && MINGW_HAS_SECURE_API) // MSVC, MinGW GCC, or Clang. |
| 8912 | errno_t err = _wfopen_s(&fp, tinyexr::UTF8ToWchar(filename).c_str(), L"rb"); |
| 8913 | if (err != 0) { |
| 8914 | // TODO(syoyo): return wfopen_s erro code |
| 8915 | return TINYEXR_ERROR_CANT_OPEN_FILE; |
| 8916 | } |
| 8917 | #else |
| 8918 | // Unknown compiler or MinGW without MINGW_HAS_SECURE_API. |
| 8919 | fp = fopen(filename, "rb"); |
| 8920 | #endif |
| 8921 | #else |
| 8922 | fp = fopen(filename, "rb"); |
| 8923 | #endif |
| 8924 | if (!fp) { |
| 8925 | return TINYEXR_ERROR_CANT_OPEN_FILE; |
| 8926 | } |
| 8927 | |
| 8928 | // Try to read kEXRVersionSize bytes; if the file is shorter than |
| 8929 | // kEXRVersionSize, this will produce an error. This avoids a call to |
| 8930 | // fseek(fp, 0, SEEK_END), which is not required to be supported by C |
| 8931 | // implementations. |
| 8932 | unsigned char buf[tinyexr::kEXRVersionSize]; |
| 8933 | size_t ret = fread(&buf[0], 1, tinyexr::kEXRVersionSize, fp); |
| 8934 | fclose(fp); |
| 8935 | |
| 8936 | if (ret != tinyexr::kEXRVersionSize) { |
| 8937 | return TINYEXR_ERROR_INVALID_FILE; |
| 8938 | } |
| 8939 | |
| 8940 | return ParseEXRVersionFromMemory(version, buf, tinyexr::kEXRVersionSize); |
| 8941 | } |
| 8942 | |
| 8943 | int LoadEXRMultipartImageFromMemory(EXRImage *exr_images, |
| 8944 | const EXRHeader **exr_headers, |
no test coverage detected