initial

Patch Partition/BuildpDES/BuildpDES.c

@@ -0,0 +1,49 @@
+//BuildpDES.c
+//©5/18/02 David "Potatoswatter" Krauss
+
+#include <SCSI.h>
+
+
+extern UInt16 DriverChecksum( Handle dH ) {
+	UInt32 bcnt;
+	UInt32 sum;
+	
+	sum = 0;
+	for ( bcnt = 0; bcnt < GetHandleSize( dH ); bcnt++ ) {
+		sum += (UInt8) *( *dH + bcnt );
+		sum <<= 1;
+		if ( sum & 0x10000 ) sum |= 1;
+	}
+	
+	if ( (UInt16) sum == 0 ) {
+		sum = -1;
+		PtrToXHand( &sum, dH, 1 );
+		
+		return DriverChecksum( dH );
+	}
+	
+	return sum;
+}
+
+
+void main( void ) {
+	Handle patch;
+	PatchDescriptor **pd;
+	
+	patch = Get1Resource( 'ptch', 128 );
+	DetachResource( patch );
+	pd = (PatchDescriptor **) Get1Resource( 'pDES', 128 );
+	DetachResource( (Handle) pd );
+	
+	(**pd).patchDescriptorLen = ( GetHandleSize((Handle)pd) + 1 ) & ~1;
+	(**pd).patchCRC = DriverChecksum( patch );
+	(**pd).patchSize = GetHandleSize( patch );
+	
+	OpenResFile( "\pEphemerboot Installer" );
+	
+	RemoveResource( Get1Resource( 'pDES', 128 ) );
+	AddResource( (Handle) pd, 'pDES', 128, "\p" );
+	
+	RemoveResource( Get1Resource( 'ptch', 128 ) );
+	AddResource( patch, 'ptch', 128, "\p" );
+}