busybox/coreutils/yes.c

54 lines
1.2 KiB
C
Raw Normal View History

/* vi: set sw=4 ts=4: */
/*
2003-03-19 14:43:01 +05:30
* yes implementation for busybox
*
2003-03-19 14:43:01 +05:30
* Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
2003-03-19 14:43:01 +05:30
/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
*
* Size reductions and removed redundant applet name prefix from error messages.
*/
//config:config YES
//config: bool "yes (956 bytes)"
//config: default y
//config: help
//config: yes is used to repeatedly output a specific string, or
//config: the default string `y'.
//applet:IF_YES(APPLET_NOFORK(yes, yes, BB_DIR_USR_BIN, BB_SUID_DROP, yes))
//kbuild:lib-$(CONFIG_YES) += yes.o
/* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
//usage:#define yes_trivial_usage
//usage: "[STRING]"
//usage:#define yes_full_usage "\n\n"
//usage: "Repeatedly output a line with STRING, or 'y'"
#include "libbb.h"
int yes_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int yes_main(int argc UNUSED_PARAM, char **argv)
{
char **pp;
argv[0] = (char*)"y";
if (argv[1])
2003-03-19 14:43:01 +05:30
++argv;
2003-03-19 14:43:01 +05:30
do {
pp = argv;
while (1) {
fputs(*pp, stdout);
if (!*++pp)
break;
putchar(' ');
}
2003-03-19 14:43:01 +05:30
} while (putchar('\n') != EOF);
2003-03-19 14:43:01 +05:30
bb_perror_nomsg_and_die();
}