1 files changed, 49 insertions, 0 deletions
diff --git a/busybox/libbb/ask_confirmation.c b/busybox/libbb/ask_confirmation.c
new file mode 100644
index 0000000..a99a4e7
--- /dev/null
+++ b/busybox/libbb/ask_confirmation.c
@@ -0,0 +1,49 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * bb_ask_confirmation implementation for busybox
+ *
+ * Copyright (C) 2003  Manuel Novoa III  <mjn3@codepoet.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/* Read a line from stdin.  If the first non-whitespace char is 'y' or 'Y',
+ * return 1.  Otherwise return 0.
+ */
+
+#include <stdio.h>
+#include <ctype.h>
+#include "libbb.h"
+
+int bb_ask_confirmation(void)
+{
+	int retval = 0;
+	int first = 1;
+	int c;
+
+	while (((c = getchar()) != EOF) && (c != '\n')) {
+		/* Make sure we get the actual function call for isspace,
+		 * as speed is not critical here. */
+		if (first && !(isspace)(c)) {
+			--first;
+			if ((c == 'y') || (c == 'Y')) {
+				++retval;
+			}
+		}
+	}
+
+	return retval;
+}