1 files changed, 51 insertions, 0 deletions
diff --git a/usr/utils/umount.c b/usr/utils/umount.c
new file mode 100644
index 0000000..41275f7
--- /dev/null
+++ b/usr/utils/umount.c
@@ -0,0 +1,51 @@
+/*
+ * by rmk
+ */
+#include <sys/mount.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+char *progname;
+
+int main(int argc, char *argv[])
+{
+	int c, flag = 0;
+
+	progname = argv[0];
+
+	do {
+		c = getopt(argc, argv, "fli");
+		if (c == EOF)
+			break;
+		switch (c) {
+		case 'f':
+			flag |= MNT_FORCE;
+			break;
+		case 'l':
+			flag |= MNT_DETACH;
+			break;
+		case 'i':
+			/* ignore for now; no support for umount helpers */
+			break;
+		case '?':
+			fprintf(stderr, "%s: invalid option -%c\n",
+				progname, optopt);
+			exit(1);
+		}
+	} while (1);
+
+	if (optind + 1 != argc) {
+		fprintf(stderr, "Usage: %s [-f] [-l] [-i] mntpoint\n",
+			progname);
+		return 1;
+	}
+
+	if (umount2(argv[optind], flag) == -1) {
+		perror("umount2");
+		return 255;
+	}
+
+	return 0;
+}