perf tools: Add comment explaining the repsep_snprintf function
Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-4j67nvlfwbnkg85b969ewnkr@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -28,7 +28,15 @@ int sort__has_socket = 0;
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int sort__has_thread = 0;
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int sort__has_thread = 0;
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enum sort_mode sort__mode = SORT_MODE__NORMAL;
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enum sort_mode sort__mode = SORT_MODE__NORMAL;
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/*
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* Replaces all occurrences of a char used with the:
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*
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* -t, --field-separator
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*
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* option, that uses a special separator character and don't pad with spaces,
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* replacing all occurances of this separator in symbol names (and other
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* output) with a '.' character, that thus it's the only non valid separator.
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*/
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static int repsep_snprintf(char *bf, size_t size, const char *fmt, ...)
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static int repsep_snprintf(char *bf, size_t size, const char *fmt, ...)
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{
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{
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int n;
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int n;
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