busybox: imported from http://www.busybox.net/downloads/busybox-1.13.3.tar.bz2busybox-1.13.3

Signed-off-by: Bjørn Mork <bjorn@mork.no>

1 files changed, 34 insertions, 0 deletions

diff --git a/libbb/ask_confirmation.c b/libbb/ask_confirmation.c
new file mode 100644
index 0000000..d08bc51
--- /dev/null
+++ b/libbb/ask_confirmation.c
@@ -0,0 +1,34 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * bb_ask_confirmation implementation for busybox
+ *
+ * Copyright (C) 2003  Manuel Novoa III  <mjn3@codepoet.org>
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+
+/* Read a line from stdin.  If the first non-whitespace char is 'y' or 'Y',
+ * return 1.  Otherwise return 0.
+ */
+
+#include "libbb.h"
+
+int FAST_FUNC 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;
+}