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-rw-r--r--tools/include/linux/string.h2
-rw-r--r--tools/lib/string.c16
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;
+}