blob: 81d875589cc98f011ae494c84593efa2d0573897
| 1 | /* vi: set sw=4 ts=4: */ |
| 2 | /* |
| 3 | * yes implementation for busybox |
| 4 | * |
| 5 | * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org> |
| 6 | * |
| 7 | * Licensed under GPLv2 or later, see file LICENSE in this source tree. |
| 8 | */ |
| 9 | /* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org) |
| 10 | * |
| 11 | * Size reductions and removed redundant applet name prefix from error messages. |
| 12 | */ |
| 13 | //config:config YES |
| 14 | //config: bool "yes" |
| 15 | //config: default y |
| 16 | //config: help |
| 17 | //config: yes is used to repeatedly output a specific string, or |
| 18 | //config: the default string `y'. |
| 19 | |
| 20 | //applet:IF_YES(APPLET_NOFORK(yes, yes, BB_DIR_USR_BIN, BB_SUID_DROP, yes)) |
| 21 | |
| 22 | //kbuild:lib-$(CONFIG_YES) += yes.o |
| 23 | |
| 24 | /* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */ |
| 25 | |
| 26 | //usage:#define yes_trivial_usage |
| 27 | //usage: "[STRING]" |
| 28 | //usage:#define yes_full_usage "\n\n" |
| 29 | //usage: "Repeatedly output a line with STRING, or 'y'" |
| 30 | |
| 31 | #include "libbb.h" |
| 32 | |
| 33 | int yes_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
| 34 | int yes_main(int argc UNUSED_PARAM, char **argv) |
| 35 | { |
| 36 | char **pp; |
| 37 | |
| 38 | argv[0] = (char*)"y"; |
| 39 | if (argv[1]) |
| 40 | ++argv; |
| 41 | |
| 42 | do { |
| 43 | pp = argv; |
| 44 | while (1) { |
| 45 | fputs(*pp, stdout); |
| 46 | if (!*++pp) |
| 47 | break; |
| 48 | putchar(' '); |
| 49 | } |
| 50 | } while (putchar('\n') != EOF); |
| 51 | |
| 52 | bb_perror_nomsg_and_die(); |
| 53 | } |
| 54 |