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/* $id$
$Locker: $ $Name: $ $State: Exp $
* Check if Ctrl-Break was pressed during the last calls
This file bases on MISC.C of FreeCOM v0.81 beta 1.
$Log: cbreak.c,v $
Revision 1.1 2001/04/12 00:33:52 skaus
chg: new structure
chg: If DEBUG enabled, no available commands are displayed on startup
fix: PTCHSIZE also patches min extra size to force to have this amount
of memory available on start
bugfix: CALL doesn't reset options
add: PTCHSIZE to patch heap size
add: VSPAWN, /SWAP switch, .SWP resource handling
bugfix: COMMAND.COM A:\
bugfix: CALL: if swapOnExec == ERROR, no change of swapOnExec allowed
add: command MEMORY
bugfix: runExtension(): destroys command[-2]
add: clean.bat
add: localized CRITER strings
chg: use LNG files for hard-coded strings (hangForEver(), init.c)
via STRINGS.LIB
add: DEL.C, COPY.C, CBREAK.C: STRINGS-based prompts
add: fixstrs.c: prompts & symbolic keys
add: fixstrs.c: backslash escape sequences
add: version IDs to DEFAULT.LNG and validation to FIXSTRS.C
chg: splitted code apart into LIB\*.c and CMD\*.c
bugfix: IF is now using error system & STRINGS to report errors
add: CALL: /N
*/
#include "../config.h"
#include <assert.h>
#include <conio.h>
#include <ctype.h>
#include <string.h>
#include <stdlib.h>
#include "../include/batch.h"
#include "../include/misc.h"
#include "../include/command.h"
#include "../strings.h"
int chkCBreak(int mode)
{
static int leaveAll = 0; /* leave all batch files */
switch (mode)
{
case BREAK_ENDOFBATCHFILES:
leaveAll = 0;
return 0;
case 0:
if (!bc)
goto justCheck;
case BREAK_BATCHFILE:
if (leaveAll)
return 1;
if (!ctrlBreak)
return 0;
/* we need to be sure the string arrives on the screen!
Therefore userprompt() is not we need. */
{ char *fmt, *chars;
int ch;
if(!getPromptString(PROMPT_CANCEL_BATCH, &chars, &fmt)) {
/* Fatal error <-> Terminate all batches */
leaveAll = 1;
break;
}
if(bc && bc->bfnam)
cprintf(fmt, bc->bfnam);
else {
char *fnam;
if((fnam = getString(TEXT_UNKNOWN_FILENAME)) == 0)
cprintf(fmt, "<<unknown>>");
else {
cprintf(fmt, fnam);
free(fnam);
}
}
while((ch = cgetchar()) == 0 || (ch = mapMetakey(chars, ch)) == 0)
beep();
cputs("\r\n");
freePromptString(chars, fmt);
switch(ch) {
/* case 1: Yes -> just fall through */
case 2: /* No */
return ctrlBreak = 0; /* ignore */
case 3: /* leave All batchfiles */
leaveAll = 1;
break;
}
}
break;
justCheck:
case BREAK_FORCMD: /* FOR commands are part of batch processing */
if (leaveAll)
return 1;
/* fall through */
case BREAK_INPUT:
if (!ctrlBreak)
return 0;
break;
}
ctrlBreak = 0; /* state processed */
return 1;
}
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