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ash/hush: provide help text

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$ ./busybox ash --help
BusyBox v1.19.0.git (2011-03-07 11:25:29 CET) multi-call binary.

Usage: ash [-/+OPTCHARS] [-/+o OPTNAME]... [-c 'SCRIPT' [ARG0 [ARGS]] / SCRIPT_FILE [ARGS]]

Unix shell interpreter

$ ./busybox hush --help
BusyBox v1.19.0.git (2011-03-07 11:25:29 CET) multi-call binary.

Usage: hush [-nx] [-c 'SCRIPT' [ARG0 [ARGS]] / SCRIPT_FILE [ARGS]]

Unix shell interpreter

function                                             old     new   delta
packed_usage                                       28163   28212     +49
setcmd                                                85      78      -7
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 49/-7)              Total: 42 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2011-03-07 12:34:59 +01:00
parent aefe1c260e
commit b0b834342f
2 changed files with 40 additions and 21 deletions
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21
shell/hush.c
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@ -255,14 +255,21 @@
* therefore we don't show them either.
*/
//usage:#define hush_trivial_usage
//usage: "[-nx] [-c SCRIPT]"
//usage:#define hush_full_usage ""
//usage: "[-nx] [-c 'SCRIPT' [ARG0 [ARGS]] / SCRIPT_FILE [ARGS]]"
//usage:#define hush_full_usage "\n\n"
//usage: "Unix shell interpreter"
//usage:#define msh_trivial_usage hush_trivial_usage
//usage:#define msh_full_usage ""
//usage:#define sh_trivial_usage NOUSAGE_STR
//usage:#define sh_full_usage ""
//usage:#define bash_trivial_usage NOUSAGE_STR
//usage:#define bash_full_usage ""
//usage:#define msh_full_usage hush_full_usage
//usage:#if ENABLE_FEATURE_SH_IS_HUSH
//usage:# define sh_trivial_usage hush_trivial_usage
//usage:# define sh_full_usage hush_full_usage
//usage:#endif
//usage:#if ENABLE_FEATURE_BASH_IS_HUSH
//usage:# define bash_trivial_usage hush_trivial_usage
//usage:# define bash_full_usage hush_full_usage
//usage:#endif
/* Build knobs */