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[u]mount: extend -t option (Roy Marples <uberlord@gentoo.org>)

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This commit is contained in:
Denis Vlasenko
2007-04-05 21:57:47 +00:00
parent df5bbb938a
commit bf295dd5b6
4 changed files with 12 additions and 6 deletions
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10
util-linux/umount.c
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@@ -12,7 +12,7 @@
#include <mntent.h>
#include <getopt.h>
#define OPTION_STRING "flDnravd"
#define OPTION_STRING "flDnravdt:"
#define OPT_FORCE 1
#define OPT_LAZY 2
#define OPT_DONTFREELOOP 4
@@ -27,6 +27,7 @@ int umount_main(int argc, char **argv)
char path[2*PATH_MAX];
struct mntent me;
FILE *fp;
char *fstype = 0;
int status = EXIT_SUCCESS;
unsigned opt;
struct mtab_list {
@@ -37,7 +38,7 @@ int umount_main(int argc, char **argv)
/* Parse any options */
opt = getopt32(argc, argv, OPTION_STRING);
opt = getopt32(argc, argv, OPTION_STRING, &fstype);
argc -= optind;
argv += optind;
@@ -61,6 +62,9 @@ int umount_main(int argc, char **argv)
bb_error_msg_and_die("cannot open %s", bb_path_mtab_file);
} else {
while (getmntent_r(fp, &me, path, sizeof(path))) {
/* Match fstype if passed */
if (fstype && match_fstype(&me, fstype))
continue;
m = xmalloc(sizeof(struct mtab_list));
m->next = mtl;
m->device = xstrdup(me.mnt_fsname);
@@ -71,7 +75,7 @@ int umount_main(int argc, char **argv)
}
/* If we're not umounting all, we need at least one argument. */
if (!(opt & OPT_ALL)) {
if (!(opt & OPT_ALL) && !fstype) {
m = 0;
if (!argc) bb_show_usage();
}