/* yesno.c -- read a yes/no response from stdin
- Copyright (C) 1990, 1998 Free Software Foundation, Inc.
+
+ Copyright (C) 1990, 1998, 2001, 2003, 2004, 2005, 2006 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
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. */
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#include <config.h>
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
+#include "yesno.h"
-#include <ctype.h>
-#if HAVE_STDLIB_H
-# include <stdlib.h>
-#endif
+#include <stdlib.h>
#include <stdio.h>
-/* Read one line from standard input
- and return nonzero if that line begins with y or Y,
- otherwise return 0. */
+#include "getline.h"
+
+/* Return true if we read an affirmative line from standard input. */
-int rpmatch ();
+extern int rpmatch (char const *response);
-int
-yesno ()
+bool
+yesno (void)
{
- /* We make some assumptions here:
- a) leading white space in the response are not vital
- b) the first 128 characters of the answer are enough (the rest can
- be ignored)
- I cannot think for a situation where this is not ok. --drepper@gnu */
- char buf[128];
- int len = 0;
- int c;
-
- while ((c = getchar ()) != EOF && c != '\n')
- if ((len > 0 && len < 127) || (len == 0 && !isspace (c)))
- buf[len++] = c;
- buf[len] = '\0';
-
- return rpmatch (buf) == 1;
+ char *response = NULL;
+ size_t response_size = 0;
+ ssize_t response_len = getline (&response, &response_size, stdin);
+ bool yes;
+
+ if (response_len <= 0)
+ yes = false;
+ else
+ {
+ response[response_len - 1] = '\0';
+ yes = (0 < rpmatch (response));
+ }
+
+ free (response);
+ return yes;
}