Messages in this thread Patch in this message | | | Date | Wed, 20 Jun 2012 09:50:20 -0700 | From | tip-bot for Arnaldo Carvalho de Melo <> | Subject | [tip:perf/core] perf lib: Introduce rtrim |
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Commit-ID: cb1a28a0cbf9dac5a7a0ca02ebebc12db260d2f8 Gitweb: http://git.kernel.org/tip/cb1a28a0cbf9dac5a7a0ca02ebebc12db260d2f8 Author: Arnaldo Carvalho de Melo <acme@redhat.com> AuthorDate: Thu, 7 Jun 2012 18:23:31 -0300 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> CommitDate: Tue, 19 Jun 2012 13:06:19 -0300
perf lib: Introduce rtrim
Remove the trailing whitespaces.
Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-8bxozh5lyixgjmziqaxo9675@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> --- tools/perf/util/string.c | 22 ++++++++++++++++++++++ tools/perf/util/util.h | 2 ++ 2 files changed, 24 insertions(+), 0 deletions(-)
diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c index d583638..199bc4d 100644 --- a/tools/perf/util/string.c +++ b/tools/perf/util/string.c @@ -313,3 +313,25 @@ int strtailcmp(const char *s1, const char *s2) return 0; } +/** + * rtrim - Removes trailing whitespace from @s. + * @s: The string to be stripped. + * + * Note that the first trailing whitespace is replaced with a %NUL-terminator + * in the given string @s. Returns @s. + */ +char *rtrim(char *s) +{ + size_t size = strlen(s); + char *end; + + if (!size) + return s; + + end = s + size - 1; + while (end >= s && isspace(*end)) + end--; + *(end + 1) = '\0'; + + return s; +} diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 2daaedb..b13c733 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -264,4 +264,6 @@ bool is_power_of_2(unsigned long n) size_t hex_width(u64 v); +char *rtrim(char *s); + #endif
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