AmendHub

--- main.c Wed Nov 8 21:00:59 2023 +++ main.c Thu Nov 9 08:15:36 2023 @@ -88,7 +88,19 @@ OSErr openFile(unsigned char *fName, short fRefNum, sh found = true; else if(isSit15()) found = true; + else if(isCpt()) + found = true; + // Checks @ 1024 + if(!found) + { + SetFPos(fRefNum, fsFromStart, 1024); + FSRead(fRefNum, &count, gBuf); + + if(isDsk_1024()) + found = true; + } + if(found) { if(gCreator != 0 && gType != 0) @@ -138,10 +150,30 @@ Boolean isSit15() return magicCheck("SIT!", 0, 'SIT!', 'SIT!'); } +// Disk Copy 6 +Boolean isDsk_1024() +{ + return magicCheck("BD", 0, 'DDim', 'ddsk'); +} + +// Very loose check, do last. +Boolean isCpt() +{ + char magic[] = {0x01, 0x00}; + return magicCheck(magic, 0, 'PACT', 'CPCT'); +} + +short strlen(const char *str) +{ + const char *s; + for (s = str; *s; ++s); + return (s-str); +} + Boolean magicCheck(char *magic, short offset, OSType type, OSType creator) { short i; - for(i = 0; i < sizeof(magic) - 1; i++) + for(i = 0; i < strlen(magic) - 1; i++) if(gBuf[offset+i] != magic[i]) return false; gType = type; --- main.h Wed Nov 8 20:50:57 2023 +++ main.h Thu Nov 9 08:13:01 2023 @@ -20,4 +20,6 @@ pascal OSErr DoOpenDoc(AppleEvent *event, AppleEvent * // checks Boolean magicCheck(char *magic, short offset, OSType type, OSType creator); Boolean isBinHex4(); -Boolean isSit15(); +Boolean isSit15(); +Boolean isCpt(); +Boolean isDsk_1024();