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-rw-r--r--tools/perf/util/string.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c
index c93eca9a7be3..04743d3e9039 100644
--- a/tools/perf/util/string.c
+++ b/tools/perf/util/string.c
@@ -1,3 +1,4 @@
+#include <string.h>
#include "string.h"
static int hex(char ch)
@@ -32,3 +33,13 @@ int hex2u64(const char *ptr, u64 *long_val)
return p - ptr;
}
+
+char *strxfrchar(char *s, char from, char to)
+{
+ char *p = s;
+
+ while ((p = strchr(p, from)) != NULL)
+ *p++ = to;
+
+ return s;
+}