diff options
| -rw-r--r-- | util-linux/swaponoff.c | 58 |
1 files changed, 22 insertions, 36 deletions
diff --git a/util-linux/swaponoff.c b/util-linux/swaponoff.c index 1e3fe5a43..0080ff294 100644 --- a/util-linux/swaponoff.c +++ b/util-linux/swaponoff.c @@ -4,20 +4,7 @@ * * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * + * Licensed under the GPL v2, see the file LICENSE in this tarball. */ #include <stdio.h> @@ -36,16 +23,13 @@ static int swap_enable_disable(const char *device) int status; struct stat st; - if (stat(device, &st) < 0) { + if (stat(device, &st) < 0) bb_perror_msg_and_die("cannot stat %s", device); - } /* test for holes */ - if (S_ISREG(st.st_mode)) { - if (st.st_blocks * 512 < st.st_size) { + if (S_ISREG(st.st_mode)) + if (st.st_blocks * 512 < st.st_size) bb_error_msg_and_die("swap file has holes"); - } - } if (bb_applet_name[5] == 'n') status = swapon(device, 0); @@ -56,40 +40,42 @@ static int swap_enable_disable(const char *device) bb_perror_msg("%s", device); return EXIT_FAILURE; } - /*printf("%s: %s\n", bb_applet_name, device);*/ + return EXIT_SUCCESS; } static int do_em_all(void) { struct mntent *m; - FILE *f = setmntent("/etc/fstab", "r"); - int err = 0; + FILE *f; + int err; + f = setmntent("/etc/fstab", "r"); if (f == NULL) bb_perror_msg_and_die("/etc/fstab"); - while ((m = getmntent(f)) != NULL) { - if (strcmp(m->mnt_type, MNTTYPE_SWAP)==0) { - if(swap_enable_disable(m->mnt_fsname) == EXIT_FAILURE) - err++; - } - } + + err = 0; + while ((m = getmntent(f)) != NULL) + if (strcmp(m->mnt_type, MNTTYPE_SWAP) == 0) + if (swap_enable_disable(m->mnt_fsname) == EXIT_FAILURE) + ++err; + endmntent(f); + return err; } -#define DO_ALL 1 +#define DO_ALL 0x01 extern int swap_on_off_main(int argc, char **argv) { - unsigned long opt = bb_getopt_ulflags (argc, argv, "a"); - - if (argc != 2) { + unsigned long opt = bb_getopt_ulflags(argc, argv, "a"); + + if (argc != 2) bb_show_usage(); - } - + if (opt & DO_ALL) return do_em_all(); - + return swap_enable_disable(argv[1]); } |