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authorDenis Vlasenko2007-04-05 21:57:47 +0000
committerDenis Vlasenko2007-04-05 21:57:47 +0000
commitbf295dd5b67c1e192600f3510de2d5d1e686c685 (patch)
tree652596d819687154790512fc68b2047290c9efc9 /util-linux/umount.c
parentdf5bbb938ae73cf668778d1d54718fddb0f76130 (diff)
downloadbusybox-bf295dd5b67c1e192600f3510de2d5d1e686c685.zip
busybox-bf295dd5b67c1e192600f3510de2d5d1e686c685.tar.gz
[u]mount: extend -t option (Roy Marples <uberlord@gentoo.org>)
Diffstat (limited to 'util-linux/umount.c')
-rw-r--r--util-linux/umount.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/util-linux/umount.c b/util-linux/umount.c
index 4ea15d9..19f1345 100644
--- a/util-linux/umount.c
+++ b/util-linux/umount.c
@@ -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();
}