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| author | Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> | 2011-06-27 09:27:15 +0200 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2011-07-15 22:00:47 +0200 |
| commit | bad03ae476214d9d66bb96be02b630385936f788 (patch) | |
| tree | 91f1273f08104fb457b436141de431f1fc6e5b7c /tools/perf/util/string.c | |
| parent | perf probe: Rename DIE_FIND_CB_FOUND to DIE_FIND_CB_END (diff) | |
| download | linux-bad03ae476214d9d66bb96be02b630385936f788.tar.xz linux-bad03ae476214d9d66bb96be02b630385936f788.zip | |
perf probe: Move strtailcmp to string.c
Since strtailcmp() is enough generic, it should be defined in string.c.
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Link: http://lkml.kernel.org/r/20110627072715.6528.10677.stgit@fedora15
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'tools/perf/util/string.c')
| -rw-r--r-- | tools/perf/util/string.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c index b9a985dadd08..d5836382ff2c 100644 --- a/tools/perf/util/string.c +++ b/tools/perf/util/string.c @@ -294,3 +294,22 @@ bool strlazymatch(const char *str, const char *pat) { return __match_glob(str, pat, true); } + +/** + * strtailcmp - Compare the tail of two strings + * @s1: 1st string to be compared + * @s2: 2nd string to be compared + * + * Return 0 if whole of either string is same as another's tail part. + */ +int strtailcmp(const char *s1, const char *s2) +{ + int i1 = strlen(s1); + int i2 = strlen(s2); + while (--i1 >= 0 && --i2 >= 0) { + if (s1[i1] != s2[i2]) + return s1[i1] - s2[i2]; + } + return 0; +} + |