mirror of
git://git.suckless.org/ubase
synced 2024-12-14 18:55:05 +00:00
69 lines
1.1 KiB
C
69 lines
1.1 KiB
C
/* See LICENSE file for copyright and license details. */
|
|
#include <sys/swap.h>
|
|
|
|
#include <mntent.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "util.h"
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
eprintf("usage: %s [-dp] [-a] device\n", argv0);
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
int i;
|
|
int ret = 0;
|
|
int flags = 0;
|
|
int all = 0;
|
|
|
|
ARGBEGIN {
|
|
case 'a':
|
|
all = 1;
|
|
break;
|
|
case 'd':
|
|
flags |= SWAP_FLAG_DISCARD;
|
|
break;
|
|
case 'p':
|
|
flags |= SWAP_FLAG_PREFER;
|
|
break;
|
|
default:
|
|
usage();
|
|
} ARGEND;
|
|
|
|
if (!all && argc < 1)
|
|
usage();
|
|
|
|
if (all) {
|
|
struct mntent *me = NULL;
|
|
FILE *fp;
|
|
|
|
fp = setmntent("/etc/fstab", "r");
|
|
if (!fp)
|
|
eprintf("setmntent %s:", "/etc/fstab");
|
|
while ((me = getmntent(fp)) != NULL) {
|
|
if (strcmp(me->mnt_type, MNTTYPE_SWAP) == 0
|
|
&& (hasmntopt(me, MNTOPT_NOAUTO) == NULL)) {
|
|
if (swapon(me->mnt_fsname, flags) < 0) {
|
|
weprintf("swapon %s:", me->mnt_fsname);
|
|
ret = 1;
|
|
}
|
|
}
|
|
}
|
|
endmntent(fp);
|
|
} else {
|
|
for (i = 0; i < argc; i++) {
|
|
if (swapon(argv[i], flags) < 0) {
|
|
weprintf("swapon %s:", argv[i]);
|
|
ret = 1;
|
|
}
|
|
}
|
|
}
|
|
return ret;
|
|
}
|