Brand, new version of cut. This fixes the bugs in the old cut, is smaller, and
[oweals/busybox.git] / util-linux / swaponoff.c
index bc096ea95a045b4f22c1247c7dfff09a6fbc7725..6aafe51a26dde27793cd884ab75d6e43ec7ab2dd 100644 (file)
@@ -3,7 +3,7 @@
  * Mini swapon/swapoff implementation for busybox
  *
  *
- * Copyright (C) 1999 by Lineo, inc.
+ * Copyright (C) 1999,2000 by Lineo, inc.
  * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
  *
  * This program is free software; you can redistribute it and/or modify
 #include "internal.h"
 #include <stdio.h>
 #include <sys/mount.h>
-#include <sys/swap.h>
 #include <mntent.h>
 #include <dirent.h>
-#include <fstab.h>
 #include <errno.h>
 
+_syscall2(int, swapon, const char *, path, int, flags);
+_syscall1(int, swapoff, const char *, path);
 
-static int whichApp;
-static const char *appName;
-
-static const char swapoff_usage[] =
-       "swapoff [OPTION] [device]\n\n"
-       "Stop swapping virtual memory pages on the given device.\n\n"
-       "Options:\n"
-       "\t-a\tStop swapping on all swap devices\n";
-
-static const char swapon_usage[] =
-       "swapon [OPTION] [device]\n\n"
-       "Start swapping virtual memory pages on the given device.\n\n"
-       "Options:\n"
-       "\t-a\tStart swapping on all swap devices\n";
 
+static int whichApp;
 
 #define SWAPON_APP   1
 #define SWAPOFF_APP  2
@@ -62,7 +49,7 @@ static void swap_enable_disable(char *device)
                status = swapoff(device);
 
        if (status != 0) {
-               perror(appName);
+               perror(applet_name);
                exit(FALSE);
        }
 }
@@ -77,7 +64,7 @@ static void do_em_all()
                exit(FALSE);
        }
        while ((m = getmntent(f)) != NULL) {
-               if (!strstr(m->mnt_type, MNTTYPE_SWAP)) {
+               if (strcmp(m->mnt_type, MNTTYPE_SWAP)==0) {
                        swap_enable_disable(m->mnt_fsname);
                }
        }
@@ -88,12 +75,9 @@ static void do_em_all()
 
 extern int swap_on_off_main(int argc, char **argv)
 {
-       if (strcmp(*argv, "swapon") == 0) {
-               appName = *argv;
+       if (strcmp(applet_name, "swapon") == 0) {
                whichApp = SWAPON_APP;
-
        } else {
-               appName = *argv;
                whichApp = SWAPOFF_APP;
        }
 
@@ -108,7 +92,12 @@ extern int swap_on_off_main(int argc, char **argv)
                while (*++(*argv))
                        switch (**argv) {
                        case 'a':
-                               whine_if_fstab_is_missing();
+                               {
+                                       struct stat statBuf;
+
+                                       if (stat("/etc/fstab", &statBuf) < 0)
+                                               fatalError("/etc/fstab file missing\n");
+                               }
                                do_em_all();
                                break;
                        default: