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- /*
- * Copyright (c) 1980 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
- char copyright[] =
- "@(#) Copyright (c) 1980 Regents of the University of California.\n\
- All rights reserved.\n";
- #endif /* not lint */
-
- #ifndef lint
- static char sccsid[] = "@(#)swapon.c 5.5 (Berkeley) 2/27/91";
- #endif /* not lint */
-
- #include <fstab.h>
- #include <errno.h>
- #include <stdio.h>
-
- main(argc, argv)
- 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")) != EOF)
- switch((char)ch) {
- case 'a':
- doall = 1;
- break;
- case '?':
- default:
- usage();
- }
- argv += optind;
-
- stat = 0;
- if (doall)
- while (fsp = getfsent()) {
- if (strcmp(fsp->fs_type, FSTAB_SW))
- 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);
- }
-
- add(name, ignoreebusy)
- char *name;
- int ignoreebusy;
- {
- extern int errno;
-
- if (swapon(name) == -1) {
- switch (errno) {
- case EINVAL:
- fprintf(stderr, "swapon: %s: device not configured\n",
- name);
- break;
- 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);
- }
-
- usage()
- {
- fprintf(stderr, "usage: swapon [-a] [special_file ...]\n");
- exit(1);
- }
-