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/* $id$
$Locker: $ $Name: $ $State: Exp $
* TEMPFILE.C - tempfile() creates a unique temporary file
*
*
*
* Comments:
* ALIAS.C is the only part using this function, this seems to be OK
* to let only _one_ temporary file be cached.
*
This file bases on OPENF.C of FreeCOM v0.81 beta 1.
$Log: tempfile.c,v $
Revision 1.1 2001/04/12 00:33:53 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 <stdlib.h>
#include <stdio.h>
#include "../include/misc.h"
#include "../include/command.h"
static char *tfn = 0;
static FILE *tfp = 0;
void rmtmpfile(void)
{
if (tfn) {
if (tfp) {
fclose(tfp);
tfp = 0;
}
remove(tfn);
free(tfn);
tfn = 0;
}
}
FILE *tempfile(void)
{
rmtmpfile(); /* make sure the old temp file is already closed */
tfn = tmpfn();
if (!tfn)
return 0;
return tfp = fopen(tfn, "w+b");
}
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