1 files changed, 38 insertions, 0 deletions
diff --git a/contrib/cvs/lib/yesno.c b/contrib/cvs/lib/yesno.c
new file mode 100644
index 0000000..1e87938
--- /dev/null
+++ b/contrib/cvs/lib/yesno.c
@@ -0,0 +1,38 @@
+/* yesno.c -- read a yes/no response from stdin
+   Copyright (C) 1990 Free Software Foundation, Inc.
+
+   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, 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.  */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+
+/* Read one line from standard input
+   and return nonzero if that line begins with y or Y,
+   otherwise return 0. */
+
+int
+yesno ()
+{
+  int c;
+  int rv;
+
+  fflush (stderr);
+  fflush (stdout);
+  c = getchar ();
+  rv = (c == 'y') || (c == 'Y');
+  while (c != EOF && c != '\n')
+    c = getchar ();
+
+  return rv;
+}