| 201 | } |
| 202 | |
| 203 | bool IRomDB::OpenDB( const char * filename ) |
| 204 | { |
| 205 | u32 num_read; |
| 206 | |
| 207 | // |
| 208 | // Remember the filename |
| 209 | // |
| 210 | IO::Path::Assign( mRomDBFileName, filename ); |
| 211 | |
| 212 | FILE * fh = fopen( filename, "rb" ); |
| 213 | if ( !fh ) |
| 214 | { |
| 215 | #ifdef DAEDALUS_DEBUG_CONSOLE |
| 216 | DBGConsole_Msg( 0, "Failed to open RomDB from %s\n", mRomDBFileName ); |
| 217 | #endif |
| 218 | return false; |
| 219 | } |
| 220 | |
| 221 | // |
| 222 | // Check the magic number |
| 223 | // |
| 224 | u64 magic; |
| 225 | num_read = fread( &magic, sizeof( magic ), 1, fh ); |
| 226 | if ( num_read != 1 || magic != ROMDB_MAGIC_NO ) |
| 227 | { |
| 228 | #ifdef DAEDALUS_DEBUG_CONSOLE |
| 229 | DBGConsole_Msg( 0, "RomDB has wrong magic number." ); |
| 230 | #endif |
| 231 | goto fail; |
| 232 | } |
| 233 | |
| 234 | // |
| 235 | // Check the version number |
| 236 | // |
| 237 | u32 version; |
| 238 | num_read = fread( &version, sizeof( version ), 1, fh ); |
| 239 | if ( num_read != 1 || version != ROMDB_CURRENT_VERSION ) |
| 240 | { |
| 241 | #ifdef DAEDALUS_DEBUG_CONSOLE |
| 242 | DBGConsole_Msg( 0, "RomDB has wrong version for this build of Daedalus." ); |
| 243 | #endif |
| 244 | goto fail; |
| 245 | } |
| 246 | |
| 247 | u32 num_files; |
| 248 | num_read = fread( &num_files, sizeof( num_files ), 1, fh ); |
| 249 | if ( num_read != 1 ) |
| 250 | { |
| 251 | #ifdef DAEDALUS_DEBUG_CONSOLE |
| 252 | DBGConsole_Msg( 0, "RomDB EOF reading number of files." ); |
| 253 | #endif |
| 254 | goto fail; |
| 255 | } |
| 256 | else if ( num_files > MAX_SENSIBLE_FILES ) |
| 257 | { |
| 258 | #ifdef DAEDALUS_DEBUG_CONSOLE |
| 259 | DBGConsole_Msg( 0, "RomDB has unexpectedly large number of files (%d).", num_files ); |
| 260 | #endif |
no test coverage detected