/* vi: set sw=4 ts=4: */
/*
- * Utility routines.
+ * bb_ask_confirmation implementation for busybox
*
- * Copyright (C) tons of folks. Tracking down who wrote what
- * isn't something I'm going to worry about... If you wrote something
- * here, please feel free to acknowledge your work.
+ * 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
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
- * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
- * Permission has been granted to redistribute this code under the GPL.
- *
+ */
+
+/* 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 ask_confirmation()
+int bb_ask_confirmation(void)
{
- int c = '\0';
- int ret = 0;
+ int retval = 0;
+ int first = 1;
+ int c;
- while (c != '\n') {
- c = getchar();
- if ( c != '\n' ) {
- ret = ((c=='y')||(c=='Y')) ? 1 : 0;
+ 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 ret;
-}
-/* END CODE */
-/*
-Local Variables:
-c-file-style: "linux"
-c-basic-offset: 4
-tab-width: 4
-End:
-*/
+ return retval;
+}