ack/util/opt/main.c
1988-04-19 19:46:28 +00:00

67 lines
1.2 KiB
C

#ifndef NORCSID
static char rcsid[] = "$Header$";
#endif
#include <stdio.h>
#include "param.h"
#include "types.h"
#include "alloc.h"
#include "../../h/em_spec.h"
#include "ext.h"
/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*
* Author: Hans van Staveren
*/
/*
* Main program for EM optimizer
*/
main(argc,argv) int argc; char *argv[]; {
int somespace[STACKROOM];
progname = argv[0];
while (argc-->1 && **++argv == '-')
flags(*argv);
if (argc>1) {
fprintf(stderr,"Usage: %s [-Ln] [name]\n",progname);
exit(-1);
}
if (argc)
if (freopen(*argv,"r",stdin) == NULL)
error("Cannot open %s",*argv);
fileinit();
coreinit((short *)somespace,(short *)(somespace+STACKROOM));
getlines();
cleanup();
return(0);
}
flags(s) register char *s; {
for (s++;*s;s++)
switch(*s) {
case 'L': Lflag = TRUE; break;
case 'n': nflag = TRUE; break;
}
}
fileinit() {
char *mktemp();
short readshort();
if (readshort() != (short) sp_magic)
error("wrong input file");
if (Lflag) {
outfile = fopen(mktemp(template),"w");
if (outfile == NULL)
error("can't create %s",template);
} else {
outfile = stdout;
outshort(sp_magic);
}
}