| 137 | } |
| 138 | |
| 139 | virtual int32_t read(void* _data, int32_t _size, Error* _err) override |
| 140 | { |
| 141 | BX_ASSERT(NULL != m_file, "Reader/Writer file is not open."); |
| 142 | BX_ASSERT(NULL != _err, "Reader/Writer interface calling functions must handle errors."); |
| 143 | |
| 144 | int32_t size = (int32_t)fread(_data, 1, _size, m_file); |
| 145 | if (size != _size) |
| 146 | { |
| 147 | if (0 != feof(m_file) ) |
| 148 | { |
| 149 | BX_ERROR_SET(_err, kErrorReaderWriterEof, "FileReader: EOF."); |
| 150 | } |
| 151 | else if (0 != ferror(m_file) ) |
| 152 | { |
| 153 | BX_ERROR_SET(_err, kErrorReaderWriterRead, "FileReader: read error."); |
| 154 | } |
| 155 | |
| 156 | return size >= 0 ? size : 0; |
| 157 | } |
| 158 | |
| 159 | return size; |
| 160 | } |
| 161 | |
| 162 | private: |
| 163 | FILE* m_file; |