Import revision 9131ba637f003fb5894e3f6343a27d6322205f18 from FreeBSD.

Change-Id: I8ee418314ea407ca679bcd1bed85bd4cff435c22

1 files changed, 157 insertions, 0 deletions

diff --git a/main.c b/main.c
new file mode 100644
index 0000000..8425d8a
--- /dev/null
+++ b/main.c
@@ -0,0 +1,157 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (C) 1995 Wolfgang Solfrank
+ * Copyright (c) 1995 Martin Husemann
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+#include <sys/cdefs.h>
+#ifndef lint
+__RCSID("$NetBSD: main.c,v 1.10 1997/10/01 02:18:14 enami Exp $");
+static const char rcsid[] =
+  "$FreeBSD$";
+#endif /* not lint */
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <stdarg.h>
+
+#include "fsutil.h"
+#include "ext.h"
+
+int alwaysno;		/* assume "no" for all questions */
+int alwaysyes;		/* assume "yes" for all questions */
+int preen;		/* set when preening */
+int rdonly;		/* device is opened read only (supersedes above) */
+int skipclean;		/* skip clean file systems if preening */
+
+static void usage(void) __dead2;
+
+static void
+usage(void)
+{
+
+	fprintf(stderr, "%s\n%s\n",
+	    "usage: fsck_msdosfs -p [-f] filesystem ...",
+	    "       fsck_msdosfs [-ny] filesystem ...");
+	exit(1);
+}
+
+int
+main(int argc, char **argv)
+{
+	int ret = 0, erg;
+	int ch;
+
+	skipclean = 1;
+	while ((ch = getopt(argc, argv, "CfFnpy")) != -1) {
+		switch (ch) {
+		case 'C': /* for fsck_ffs compatibility */
+			break;
+		case 'f':
+			skipclean = 0;
+			break;
+		case 'F':
+			/*
+			 * We can never run in the background.  We must exit
+			 * silently with a nonzero exit code so that fsck(8)
+			 * can probe our support for -F.  The exit code
+			 * doesn't really matter, but we use an unusual one
+			 * in case someone tries -F directly.  The -F flag
+			 * is intentionally left out of the usage message.
+			 */
+			exit(5);
+		case 'n':
+			alwaysno = 1;
+			alwaysyes = preen = 0;
+			break;
+		case 'y':
+			alwaysyes = 1;
+			alwaysno = preen = 0;
+			break;
+
+		case 'p':
+			preen = 1;
+			alwaysyes = alwaysno = 0;
+			break;
+
+		default:
+			usage();
+			break;
+		}
+	}
+	argc -= optind;
+	argv += optind;
+
+	if (!argc)
+		usage();
+
+	while (--argc >= 0) {
+		setcdevname(*argv, preen);
+		erg = checkfilesys(*argv++);
+		if (erg > ret)
+			ret = erg;
+	}
+
+	return ret;
+}
+
+
+/*VARARGS*/
+int
+ask(int def, const char *fmt, ...)
+{
+	va_list ap;
+
+	char prompt[256];
+	int c;
+
+	if (preen) {
+		if (rdonly)
+			def = 0;
+		if (def)
+			printf("FIXED\n");
+		return def;
+	}
+
+	va_start(ap, fmt);
+	vsnprintf(prompt, sizeof(prompt), fmt, ap);
+	va_end(ap);
+	if (alwaysyes || rdonly) {
+		printf("%s? %s\n", prompt, rdonly ? "no" : "yes");
+		return !rdonly;
+	}
+	do {
+		printf("%s? [yn] ", prompt);
+		fflush(stdout);
+		c = getchar();
+		while (c != '\n' && getchar() != '\n')
+			if (feof(stdin))
+				return 0;
+	} while (c != 'y' && c != 'Y' && c != 'n' && c != 'N');
+	return c == 'y' || c == 'Y';
+}