Erik Andersen | e49d5ec | 2000-02-08 19:58:47 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
Denis Vlasenko | db12d1d | 2008-12-07 00:52:58 +0000 | [diff] [blame] | 2 | /* |
Denys Vlasenko | 0ef64bd | 2010-08-16 20:14:46 +0200 | [diff] [blame] | 3 | * Licensed under GPLv2, see file LICENSE in this source tree. |
Denis Vlasenko | db12d1d | 2008-12-07 00:52:58 +0000 | [diff] [blame] | 4 | */ |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 5 | |
| 6 | /* BB_AUDIT SUSv3 N/A -- Apparently a busybox (obsolete?) extension. */ |
| 7 | |
Pere Orga | 6a3e01d | 2011-04-01 22:56:30 +0200 | [diff] [blame] | 8 | //usage:#define length_trivial_usage |
| 9 | //usage: "STRING" |
| 10 | //usage:#define length_full_usage "\n\n" |
| 11 | //usage: "Print STRING's length" |
| 12 | //usage: |
| 13 | //usage:#define length_example_usage |
| 14 | //usage: "$ length Hello\n" |
| 15 | //usage: "5\n" |
| 16 | |
Denis Vlasenko | b6adbf1 | 2007-05-26 19:00:18 +0000 | [diff] [blame] | 17 | #include "libbb.h" |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 18 | |
Denis Vlasenko | 99912ca | 2007-04-10 15:43:37 +0000 | [diff] [blame] | 19 | /* This is a NOFORK applet. Be very careful! */ |
| 20 | |
Denis Vlasenko | 9b49a5e | 2007-10-11 10:05:36 +0000 | [diff] [blame] | 21 | int length_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
Rob Landley | dfba741 | 2006-03-06 20:47:33 +0000 | [diff] [blame] | 22 | int length_main(int argc, char **argv) |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 23 | { |
Denis Vlasenko | 99912ca | 2007-04-10 15:43:37 +0000 | [diff] [blame] | 24 | if ((argc != 2) || (**(++argv) == '-')) { |
| 25 | bb_show_usage(); |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 26 | } |
| 27 | |
Denis Vlasenko | 99912ca | 2007-04-10 15:43:37 +0000 | [diff] [blame] | 28 | printf("%u\n", (unsigned)strlen(*argv)); |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 29 | |
Denys Vlasenko | 8131eea | 2009-11-02 14:19:51 +0100 | [diff] [blame] | 30 | return fflush_all(); |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 31 | } |