lineedit: do not hang on error, but return error indicator.

[oweals/busybox.git] / coreutils / yes.c

diff --git a/coreutils/yes.c b/coreutils/yes.c
index 9d3f675501d5b41f525397532fa459b4432d47e8..5d799f09b4372ade86ffaaeeb8c8dfe2fac51fea 100644 (file)
--- a/coreutils/yes.c
+++ b/coreutils/yes.c
@@ -4,7 +4,7 @@
  *
  * Copyright (C) 2003  Manuel Novoa III  <mjn3@codepoet.org>
  *
- * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
 
 /* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
@@ -18,15 +18,19 @@
 
 /* This is a NOFORK applet. Be very careful! */
 
+//usage:#define yes_trivial_usage
+//usage:       "[STRING]"
+//usage:#define yes_full_usage "\n\n"
+//usage:       "Repeatedly output a line with STRING, or 'y'"
+
 int yes_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int yes_main(int argc, char **argv)
+int yes_main(int argc UNUSED_PARAM, char **argv)
 {
        char **pp;
 
        argv[0] = (char*)"y";
-       if (argc != 1) {
+       if (argv[1])
                ++argv;
-       }
 
        do {
                pp = argv;