perf tools: Drop strxfrchar(), use strreplace() equivalent from kernel

No change in behaviour intended, just reducing the codebase and using
something available in tools/lib/.

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-oyi6zif3810nwi4uu85odnhv@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

3 files changed, 2 insertions, 20 deletions

diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index 1fb18292c2d3..c7fde04400f7 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 #include <asm/bug.h>
 #include <linux/kernel.h>
+#include <linux/string.h>
 #include <sys/time.h>
 #include <sys/resource.h>
 #include <sys/types.h>
@@ -394,7 +395,7 @@ int __kmod_path__parse(struct kmod_path *m, const char *path,
                                 return -ENOMEM;
                 }
 
-                strxfrchar(m->name, '-', '_');
+                strreplace(m->name, '-', '_');
         }
 
         return 0;
diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c
index 93a5340424df..9b7fbb0cbecd 100644
--- a/tools/perf/util/string.c
+++ b/tools/perf/util/string.c
@@ -300,24 +300,6 @@ int strtailcmp(const char *s1, const char *s2)
         return 0;
 }
 
-/**
- * strxfrchar - Locate and replace character in @s
- * @s:    The string to be searched/changed.
- * @from: Source character to be replaced.
- * @to:   Destination character.
- *
- * Return pointer to the changed string.
- */
-char *strxfrchar(char *s, char from, char to)
-{
-        char *p = s;
-
-        while ((p = strchr(p, from)) != NULL)
-                *p++ = to;
-
-        return s;
-}
-
 char *asprintf_expr_inout_ints(const char *var, bool in, size_t nints, int *ints)
 {
         /*
diff --git a/tools/perf/util/string2.h b/tools/perf/util/string2.h
index 6da835ad8f5b..2696c3fcd780 100644
--- a/tools/perf/util/string2.h
+++ b/tools/perf/util/string2.h
@@ -21,7 +21,6 @@ static inline bool strisglob(const char *str)
         return strpbrk(str, "*?[") != NULL;
 }
 int strtailcmp(const char *s1, const char *s2);
-char *strxfrchar(char *s, char from, char to);
 
 char *asprintf_expr_inout_ints(const char *var, bool in, size_t nints, int *ints);