diff options
| author | Arnaldo Carvalho de Melo | 2019-06-26 12:24:03 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo | 2019-07-01 22:50:40 -0300 |
| commit | 2a60689a33a61f000bd90596b1289babcb861cd9 (patch) | |
| tree | 3c47e4a88c0bbdde57bf42b8a5f1b9b6f08eee51 | |
| parent | 13c230ab6e56c6ae3a968f01f4c6505b794cecad (diff) | |
tools lib: Adopt strreplace() from the kernel
We'll use it to further reduce the size of tools/perf/util/string.c,
replacing the strxfrchar() equivalent function we have there.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-x3r61ikjrso1buygxwke8id3@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/include/linux/string.h | 2 | ||||
| -rw-r--r-- | tools/lib/string.c | 16 |
2 files changed, 18 insertions, 0 deletions
diff --git a/tools/include/linux/string.h b/tools/include/linux/string.h index e436f8037c87..a76d4df10435 100644 --- a/tools/include/linux/string.h +++ b/tools/include/linux/string.h @@ -19,6 +19,8 @@ extern size_t strlcpy(char *dest, const char *src, size_t size); char *str_error_r(int errnum, char *buf, size_t buflen); +char *strreplace(char *s, char old, char new); + /** * strstarts - does @str start with @prefix? * @str: string to examine diff --git a/tools/lib/string.c b/tools/lib/string.c index 80472e6b3829..f2ae1b87c719 100644 --- a/tools/lib/string.c +++ b/tools/lib/string.c @@ -145,3 +145,19 @@ char *strim(char *s) return skip_spaces(s); } + +/** + * strreplace - Replace all occurrences of character in string. + * @s: The string to operate on. + * @old: The character being replaced. + * @new: The character @old is replaced with. + * + * Returns pointer to the nul byte at the end of @s. + */ +char *strreplace(char *s, char old, char new) +{ + for (; *s; ++s) + if (*s == old) + *s = new; + return s; +} |