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authorEric Andersen <andersen@codepoet.org>2001-10-24 05:00:29 +0000
committerEric Andersen <andersen@codepoet.org>2001-10-24 05:00:29 +0000
commitbdfd0d78bc44e73d693510e70087857785b3b521 (patch)
tree153a573095afac8d8d0ea857759ecabd77fb28b7 /swaponoff.c
parent9260fc5552a3ee52eb95823aa6689d52a1ffd33c (diff)
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Major rework of the directory structure and the entire build system.
-Erik
Diffstat (limited to 'swaponoff.c')
-rw-r--r--swaponoff.c115
1 files changed, 0 insertions, 115 deletions
diff --git a/swaponoff.c b/swaponoff.c
deleted file mode 100644
index d9eb5baae..000000000
--- a/swaponoff.c
+++ /dev/null
@@ -1,115 +0,0 @@
1/* vi: set sw=4 ts=4: */
2/*
3 * Mini swapon/swapoff implementation for busybox
4 *
5 *
6 * Copyright (C) 1999,2000,2001 by Lineo, inc.
7 * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 */
24
25#include <stdio.h>
26#include <mntent.h>
27#include <dirent.h>
28#include <errno.h>
29#include <string.h>
30#include <stdlib.h>
31#include <sys/mount.h>
32
33#if __GNU_LIBRARY__ < 5
34/* libc5 doesn't have sys/swap.h, define these here. */
35extern int swapon (__const char *__path, int __flags);
36extern int swapoff (__const char *__path);
37#else
38#include <sys/swap.h>
39#endif
40
41#include "busybox.h"
42
43static int whichApp;
44
45static const int SWAPON_APP = 1;
46static const int SWAPOFF_APP = 2;
47
48
49static void swap_enable_disable(char *device)
50{
51 int status;
52
53 if (whichApp == SWAPON_APP)
54 status = swapon(device, 0);
55 else
56 status = swapoff(device);
57
58 if (status != 0)
59 perror_msg_and_die(applet_name);
60}
61
62static void do_em_all(void)
63{
64 struct mntent *m;
65 FILE *f = setmntent("/etc/fstab", "r");
66
67 if (f == NULL)
68 perror_msg_and_die("/etc/fstab");
69 while ((m = getmntent(f)) != NULL) {
70 if (strcmp(m->mnt_type, MNTTYPE_SWAP)==0) {
71 swap_enable_disable(m->mnt_fsname);
72 }
73 }
74 endmntent(f);
75 exit(EXIT_SUCCESS);
76}
77
78
79extern int swap_on_off_main(int argc, char **argv)
80{
81 if (strcmp(applet_name, "swapon") == 0) {
82 whichApp = SWAPON_APP;
83 } else {
84 whichApp = SWAPOFF_APP;
85 }
86
87 if (argc != 2) {
88 goto usage_and_exit;
89 }
90 argc--;
91 argv++;
92
93 /* Parse any options */
94 while (**argv == '-') {
95 while (*++(*argv))
96 switch (**argv) {
97 case 'a':
98 {
99 struct stat statBuf;
100
101 if (stat("/etc/fstab", &statBuf) < 0)
102 error_msg_and_die("/etc/fstab file missing");
103 }
104 do_em_all();
105 break;
106 default:
107 goto usage_and_exit;
108 }
109 }
110 swap_enable_disable(*argv);
111 return EXIT_SUCCESS;
112
113 usage_and_exit:
114 show_usage();
115}