nvram: add usage() function
Merge the help message into a single function, so that we can use it somewhere else. Signed-off-by: BangLang Huang <banglang.huang@foxmail.com>
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1 changed files with 13 additions and 10 deletions
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@ -133,6 +133,18 @@ static int do_info(nvram_handle_t *nvram)
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return 0;
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}
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static void usage(void)
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{
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fprintf(stderr,
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"Usage:\n"
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" nvram show\n"
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" nvram info\n"
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" nvram get variable\n"
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" nvram set variable=value [set ...]\n"
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" nvram unset variable [unset ...]\n"
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" nvram commit\n"
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);
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}
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int main( int argc, const char *argv[] )
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{
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@ -233,16 +245,7 @@ int main( int argc, const char *argv[] )
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}
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else if( !done )
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{
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fprintf(stderr,
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"Usage:\n"
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" nvram show\n"
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" nvram info\n"
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" nvram get variable\n"
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" nvram set variable=value [set ...]\n"
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" nvram unset variable [unset ...]\n"
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" nvram commit\n"
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);
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usage();
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stat = 1;
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}
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