blob: aee898d22d8bd48b61a6dffad2dff867a095c05f
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * Licensed under GPLv2, see file LICENSE in this source tree. |
4 | */ |
5 | |
6 | /* BB_AUDIT SUSv3 N/A -- Apparently a busybox (obsolete?) extension. */ |
7 | |
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 | |
17 | #include "libbb.h" |
18 | |
19 | /* This is a NOFORK applet. Be very careful! */ |
20 | |
21 | int length_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
22 | int length_main(int argc, char **argv) |
23 | { |
24 | if ((argc != 2) || (**(++argv) == '-')) { |
25 | bb_show_usage(); |
26 | } |
27 | |
28 | printf("%u\n", (unsigned)strlen(*argv)); |
29 | |
30 | return fflush_all(); |
31 | } |
32 |