123 lines
3.3 KiB
C
123 lines
3.3 KiB
C
/*
|
|
* Copyright (c) 1980, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static char copyright[] =
|
|
"@(#) Copyright (c) 1980, 1993\n\
|
|
The Regents of the University of California. All rights reserved.\n";
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
static char sccsid[] = "@(#)swapon.c 8.1 (Berkeley) 6/5/93";
|
|
#endif /* not lint */
|
|
|
|
#include <fstab.h>
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
void usage __P((void));
|
|
int add __P((char *name, int ignoreebusy));
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
extern char *optarg;
|
|
extern int optind;
|
|
register struct fstab *fsp;
|
|
register int stat;
|
|
int ch, doall;
|
|
|
|
doall = 0;
|
|
while ((ch = getopt(argc, argv, "a")) != -1)
|
|
switch((char)ch) {
|
|
case 'a':
|
|
doall = 1;
|
|
break;
|
|
case '?':
|
|
default:
|
|
usage();
|
|
}
|
|
argv += optind;
|
|
|
|
stat = 0;
|
|
if (doall)
|
|
while ((fsp = getfsent()) != NULL) {
|
|
if (strcmp(fsp->fs_type, FSTAB_SW))
|
|
continue;
|
|
if (strstr(fsp->fs_mntops, "noauto"))
|
|
continue;
|
|
if (add(fsp->fs_spec, 1))
|
|
stat = 1;
|
|
else
|
|
printf("swapon: adding %s as swap device\n",
|
|
fsp->fs_spec);
|
|
}
|
|
else if (!*argv)
|
|
usage();
|
|
for (; *argv; ++argv)
|
|
stat |= add(*argv, 0);
|
|
exit(stat);
|
|
}
|
|
|
|
int
|
|
add(char *name, int ignoreebusy)
|
|
{
|
|
extern int errno;
|
|
|
|
if (swapon(name) == -1) {
|
|
switch (errno) {
|
|
case EBUSY:
|
|
if (!ignoreebusy)
|
|
fprintf(stderr,
|
|
"swapon: %s: device already in use\n",
|
|
name);
|
|
break;
|
|
default:
|
|
fprintf(stderr, "swapon: %s: ", name);
|
|
perror((char *)NULL);
|
|
break;
|
|
}
|
|
return(1);
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
void
|
|
usage()
|
|
{
|
|
fprintf(stderr, "usage: swapon [-a] [special_file ...]\n");
|
|
exit(1);
|
|
}
|