Retro68/Launcher/Launcher.c

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/*
Copyright 2014 Wolfgang Thaller.
This file is part of Retro68.
Retro68 is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Retro68 is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Retro68. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <Events.h>
#include <Processes.h>
#include <ToolUtils.h>
#include <Files.h>
#include <Resources.h>
#include <string.h>
void Explain()
{
printf("*********************************************************\n");
printf("This program is intended to make developing software\n");
printf("using Retro68K and Mini vMac a little more convenient.\n");
printf("\n");
printf("If you insert a disk that contains a single application\n");
printf("(= drag a disk image created by Retro68K to this window),\n");
printf("the application will be automatically launched and the\n");
printf("disk image unmounted again afterwards.\n");
printf("\n");
printf("It just saves a few repetitive clicks.\n");
printf("*********************************************************\n");
}
void EjectOldDisk()
{
Handle h = GetResource('LNCH', 128);
if(h)
{
short refNum = **(short**)h;
printf("Ejecting disk (refNum = %d)\n", (int)refNum);
Eject(NULL, refNum);
UnmountVol(NULL, refNum);
RemoveResource(h);
}
}
int main()
{
Explain();
EjectOldDisk();
printf("Insert a disk or hit any key to abort.\n");
FlushEvents(everyEvent, 0);
for(;;)
{
EventRecord e;
GetNextEvent(everyEvent, &e);
switch(e.what)
{
case keyDown:
return 0;
break;
case diskEvt:
{
short refNum = LoWord(e.message);
short err = HiWord(e.message);
printf("Disk Inserted (refNum = %d, error = %d)\n", refNum, err);
if(err == 0)
{
{
Handle h = NewHandle(2);
**(short**)h = refNum;
AddResource(h, 'LNCH', 128, "");
}
SetVol(NULL, refNum);
CInfoPBRec cpb;
unsigned char name[257];
int i, nApps = 0;
unsigned char bestName[257];
for(i = 1;; i++)
{
memset(&cpb, 0, sizeof(cpb));
cpb.dirInfo.ioVRefNum = refNum;
cpb.dirInfo.ioFDirIndex = i;
cpb.dirInfo.ioNamePtr = name;
err = PBGetCatInfoSync(&cpb);
if(err != noErr)
break;
name[name[0]+1] = 0;
if(cpb.hFileInfo.ioFlFndrInfo.fdType == 'APPL')
{
printf("Application: %s\n", &name[1]);
memcpy(bestName, name, sizeof(bestName));
++nApps;
}
}
if(nApps == 0)
{
printf("No applications found on disk.\n");
EjectOldDisk();
}
else if(nApps > 1)
{
printf("Multiple applications found on disk.\n");
EjectOldDisk();
}
else
{
LaunchParamBlockRec lpb;
memset(&lpb, 0, sizeof(lpb));
lpb.reserved1 = (unsigned long) bestName;
lpb.reserved2 = 0;
lpb.launchBlockID = extendedBlock;
lpb.launchEPBLength = 6;
lpb.launchFileFlags = 0;
lpb.launchControlFlags = 0xC000;
printf("Launching...\n");
err = LaunchApplication(&lpb);
printf("Still here after launch (err = %d). Press Enter to exit.\n", (int)err);
getchar();
return 0;
}
}
else
Eject(NULL, refNum);
}
break;
}
}
return 0;
}