umount: support (by ignoring) -i; style fixes

1 files changed, 16 insertions, 11 deletions

diff --git a/util-linux/umount.c b/util-linux/umount.c
index 16d3dfb82..c57a49ef4 100644
--- a/util-linux/umount.c
+++ b/util-linux/umount.c
@@ -12,13 +12,14 @@
 #include <getopt.h>
 #include "libbb.h"
 
-#define OPTION_STRING           "flDnravdt:"
-#define OPT_FORCE                       1
-#define OPT_LAZY                        2
-#define OPT_DONTFREELOOP        4
-#define OPT_NO_MTAB                     8
-#define OPT_REMOUNT                     16
-#define OPT_ALL                         (ENABLE_FEATURE_UMOUNT_ALL ? 32 : 0)
+/* ignored: -v -d -t -i */
+#define OPTION_STRING           "flDnra" "vdt:i"
+#define OPT_FORCE               (1 << 0)
+#define OPT_LAZY                (1 << 1)
+#define OPT_DONTFREELOOP        (1 << 2)
+#define OPT_NO_MTAB             (1 << 3)
+#define OPT_REMOUNT             (1 << 4)
+#define OPT_ALL                 (ENABLE_FEATURE_UMOUNT_ALL ? (1 << 5) : 0)
 
 int umount_main(int argc, char **argv);
 int umount_main(int argc, char **argv)
@@ -77,7 +78,8 @@ int umount_main(int argc, char **argv)
         /* If we're not umounting all, we need at least one argument. */
         if (!(opt & OPT_ALL) && !fstype) {
                 m = 0;
-                if (!argc) bb_show_usage();
+                if (!argc)
+                        bb_show_usage();
         }
 
         // Loop through everything we're supposed to umount, and do so.
@@ -86,11 +88,14 @@ int umount_main(int argc, char **argv)
                 char *zapit = *argv;
 
                 // Do we already know what to umount this time through the loop?
-                if (m) safe_strncpy(path, m->dir, PATH_MAX);
+                if (m)
+                        safe_strncpy(path, m->dir, PATH_MAX);
                 // For umount -a, end of mtab means time to exit.
-                else if (opt & OPT_ALL) break;
+                else if (opt & OPT_ALL)
+                        break;
                 // Get next command line argument (and look it up in mtab list)
-                else if (!argc--) break;
+                else if (!argc--)
+                        break;
                 else {
                         argv++;
                         realpath(zapit, path);