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perf probe: Move strtailcmp to string.c

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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>
This commit is contained in:
Masami Hiramatsu
2011-06-27 16:27:15 +09:00
committed by Steven Rostedt
parent baad2d3e69
commit bad03ae476
3 changed files with 20 additions and 15 deletions
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19
tools/perf/util/string.c
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@@ -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;
}