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modprobe-small: make string buffer code robust; fix help text

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together with previous one-liner:

function                                             old     new   delta
append                                                70      99     +29
parse_module                                         295     311     +16
copy_stringbuf                                        35      36      +1
packed_usage                                       26545   26540      -5
appendc                                               27       -     -27
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 3/1 up/down: 46/-32)             Total: 14 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2009-09-07 02:38:26 +02:00
parent f9c814b0ee
commit 0c6914e50c
2 changed files with 36 additions and 19 deletions
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17
include/usage.h
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@ -2824,9 +2824,21 @@
"-rw------- 1 andersen andersen 0 Apr 25 17:10 /tmp/temp.mWiLjM\n"
#define modprobe_trivial_usage \
"[-knqrsv] MODULE [symbol=value...]"
IF_MODPROBE_SMALL("[-qfwrsv] MODULE [symbol=value...]") \
IF_NOT_MODPROBE_SMALL("[-" \
IF_FEATURE_2_4_MODULES("k")"nqrsv" \
IF_FEATURE_MODPROBE_BLACKLIST("b")"] MODULE [symbol=value...]")
#define modprobe_full_usage "\n\n" \
"Options:" \
IF_MODPROBE_SMALL( \
"\n -q Quiet" \
"\n -f Force" \
"\n -w Wait for unload" \
"\n -r Remove module (stacks) or do autoclean" \
"\n -s Report via syslog instead of stderr" \
"\n -v Verbose" \
) \
IF_NOT_MODPROBE_SMALL( \
IF_FEATURE_2_4_MODULES( \
"\n -k Make module autoclean-able" \
) \
@ -2837,7 +2849,8 @@
"\n -v Verbose" \
IF_FEATURE_MODPROBE_BLACKLIST( \
"\n -b Apply blacklist to module names too" \
)
) \
)
#define modprobe_notes_usage \
"modprobe can (un)load a stack of modules, passing each module options (when\n" \