mirror of
git://git.suckless.org/ubase
synced 2024-12-24 07:32:33 +00:00
47 lines
781 B
C
47 lines
781 B
C
/* See LICENSE file for copyright and license details. */
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include "util.h"
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
eprintf("usage: %s [-c] -s size file...\n", argv0);
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
int cflag = 0, sflag = 0;
|
|
int fd, i;
|
|
long size;
|
|
|
|
ARGBEGIN {
|
|
case 's':
|
|
sflag = 1;
|
|
size = estrtol(EARGF(usage()), 10);
|
|
break;
|
|
case 'c':
|
|
cflag = 1;
|
|
break;
|
|
default:
|
|
usage();
|
|
} ARGEND;
|
|
|
|
if (argc < 1 || !sflag)
|
|
usage();
|
|
|
|
for (i = 0; i < argc; i++) {
|
|
fd = open(argv[i], O_WRONLY | (cflag ? 0 : O_CREAT), 0644);
|
|
if (fd < 0)
|
|
eprintf("open %s:", argv[i]);
|
|
if (ftruncate(fd, size) < 0)
|
|
eprintf("ftruncate: %s:", argv[i]);
|
|
close(fd);
|
|
}
|
|
return EXIT_SUCCESS;
|
|
}
|