* Mini umount implementation for busybox
*
*
- * Copyright (C) 1999,2000 by Lineo, inc.
+ * Copyright (C) 1999,2000,2001 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 <stdio.h>
#include <mntent.h>
#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
-#define MNT_FORCE 1
-#define MS_MGC_VAL 0xc0ed0000 /* Magic number indicatng "new" flags */
-#define MS_REMOUNT 32 /* Alter flags of a mounted FS. */
-#define MS_RDONLY 1 /* Mount read-only. */
+static const int MNT_FORCE = 1;
+static const int MS_MGC_VAL = 0xc0ed0000; /* Magic number indicatng "new" flags */
+static const int MS_REMOUNT = 32; /* Alter flags of a mounted FS. */
+static const int MS_RDONLY = 1; /* Mount read-only. */
extern int mount (__const char *__special_file, __const char *__dir,
__const char *__fstype, unsigned long int __rwflag,
return;
if ((fp = setmntent(mtab_file, "r")) == NULL) {
- error_msg("Cannot open %s\n", mtab_file);
+ error_msg("Cannot open %s", mtab_file);
return;
}
while ((e = getmntent(fp))) {
if (status != 0 && doForce == TRUE) {
status = umount2(blockDevice, MNT_FORCE);
if (status != 0) {
- error_msg_and_die("forced umount of %s failed!\n", blockDevice);
+ error_msg_and_die("forced umount of %s failed!", blockDevice);
}
}
#endif
status = mount(blockDevice, name, NULL,
MS_MGC_VAL | MS_REMOUNT | MS_RDONLY, NULL);
if (status == 0) {
- error_msg("%s busy - remounted read-only\n", blockDevice);
+ error_msg("%s busy - remounted read-only", blockDevice);
} else {
- error_msg("Cannot remount %s read-only\n", blockDevice);
+ error_msg("Cannot remount %s read-only", blockDevice);
}
}
if (status == 0) {
/* Never umount /proc on a umount -a */
if (strstr(mountpt, "proc")!= NULL)
continue;
- status = do_umount(mountpt, useMtab);
- if (status != 0) {
+ if (!do_umount(mountpt, useMtab)) {
/* Don't bother retrying the umount on busy devices */
if (errno == EBUSY) {
- perror(mountpt);
+ perror_msg("%s", mountpt);
+ status = FALSE;
continue;
}
- status = do_umount(mountpt, useMtab);
- if (status != 0) {
+ if (!do_umount(mountpt, useMtab)) {
printf("Couldn't umount %s on %s: %s\n",
mountpt, mtab_getinfo(mountpt, MTAB_GETDEVICE),
strerror(errno));
+ status = FALSE;
}
}
}
}
if (do_umount(*argv, useMtab) == TRUE)
return EXIT_SUCCESS;
- perror("umount");
- return EXIT_FAILURE;
+ perror_msg_and_die("%s", *argv);
}