Example #1
0
int BzipOpen(bool bootApp)
{
	int nMemLen;											// Zip name number

	nZipsFound = 0;											// Haven't found zips yet
	nTotalSize = 0;

	if (szBzipName == NULL) {
		return 1;
	}

	BzipClose();											// Make sure nothing is open

	if(!bootApp) {											// reset information strings
		BzipText.Reset();
		BzipDetail.Reset();
	}

	// Count the number of roms needed
	for (nRomCount = 0; ; nRomCount++) {
		if (BurnDrvGetRomInfo(NULL, nRomCount)) {
			break;
		}
	}
	if (nRomCount <= 0) {
		return 1;
	}

	// Create an array for holding lookups for each rom -> zip entries
	nMemLen = nRomCount * sizeof(struct RomFind);
	RomFind = (struct RomFind*)malloc(nMemLen);
	if (RomFind == NULL) {
		return 1;
	}
	memset(RomFind, 0, nMemLen);

	for (int z = 0; z < BZIP_MAX; z++) {
		char* szName = NULL;

		if (BurnDrvGetZipName(&szName, z)) {
			break;
		}

		for (int d = 0; d < DIRS_MAX; d++) {
			free(szBzipName[z]);
			szBzipName[z] = (TCHAR*)malloc(MAX_PATH * sizeof(TCHAR));

			_stprintf(szBzipName[z], _T("%s%hs"), szAppRomPaths[d], szName);

			if (ZipOpen(TCHARToANSI(szBzipName[z], NULL, 0)) == 0) {	// Open the rom zip file
				nZipsFound++;
				nCurrentZip = z;
				break;
			}
		}

		if (nCurrentZip >= 0) {
			if (!bootApp) {
				BzipText.Add(_T("Found %s;\n"), szBzipName[z]);
			}
			ZipGetList(&List, &nListCount);						// Get the list of entries

			for (int i = 0; i < nRomCount; i++) {
				struct BurnRomInfo ri;
				int nFind;

				if (RomFind[i].nState == 1) {					// Already found this and it's okay
					continue;
				}

				memset(&ri, 0, sizeof(ri));

				nFind = FindRom(i);

				if (nFind < 0) {								// Couldn't find this rom at all
					continue;
				}

				RomFind[i].nZip = z;							// Remember which zip file it is in
				RomFind[i].nPos = nFind;
				RomFind[i].nState = 1;							// Set to found okay

				BurnDrvGetRomInfo(&ri, i);						// Get info about the rom

				if ((ri.nType & BRF_OPT) == 0 && (ri.nType & BRF_NODUMP) == 0)	{
					nTotalSize += ri.nLen;
				}

				if (List[nFind].nLen == ri.nLen) {
					if (ri.nCrc) {								// If we know the CRC
						if (List[nFind].nCrc != ri.nCrc) {		// Length okay, but CRC wrong
							RomFind[i].nState = 2;
						}
					}
				} else {
					if (List[nFind].nLen < ri.nLen) {
						RomFind[i].nState = 3;					// Too small
					} else {
						RomFind[i].nState = 4;					// Too big
					}
				}

				if (!bootApp) {
					if (RomFind[i].nState != 1) {
						RomDescribe(&BzipDetail, &ri);

						if (RomFind[i].nState == 2) {
							BzipDetail.Add(_T("%hs has a CRC of %.8X. (It should be %.8X.)\n"), GetFilenameA(List[nFind].szName), List[nFind].nCrc, ri.nCrc);
						}
						if (RomFind[i].nState == 3) {
							BzipDetail.Add(_T("%hs is %dk which is incomplete. (It should be %dkB.)\n"), GetFilenameA(List[nFind].szName), List[nFind].nLen >> 10, ri.nLen >> 10);
						}
						if (RomFind[i].nState == 4) {
							BzipDetail.Add(_T("%hs is %dk which is too big. (It should be %dkB.)\n"), GetFilenameA(List[nFind].szName), List[nFind].nLen >> 10, ri.nLen >> 10);
						}
					}
				}
			}