From 2a60689a33a61f000bd90596b1289babcb861cd9 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Wed, 26 Jun 2019 12:24:03 -0300 Subject: [PATCH] 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 Cc: Jiri Olsa Cc: Namhyung Kim Link: https://lkml.kernel.org/n/tip-x3r61ikjrso1buygxwke8id3@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/include/linux/string.h | 2 ++ tools/lib/string.c | 16 ++++++++++++++++ 2 files changed, 18 insertions(+) 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; +} -- 2.30.2