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| author |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-06-07 18:23:31 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-06-19 13:06:19 -0300 |
| commit | cb1a28a0cbf9dac5a7a0ca02ebebc12db260d2f8 (patch) | |
| tree | 34f860150b33d87d2da3393ef917bd156fda612d /tools | |
| parent | perf ui/gtk: Use struct perf_error_ops (diff) | |
| download | linux-dev-cb1a28a0cbf9dac5a7a0ca02ebebc12db260d2f8.tar.xz linux-dev-cb1a28a0cbf9dac5a7a0ca02ebebc12db260d2f8.zip | |
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>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/string.c | 22 | ||||
| -rw-r--r-- | 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 d5836382ff2c..199bc4d8905d 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 2daaedb83d84..b13c7331eaf8 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 |