perf tools: Remove unused perf_pathdup, xstrdup functions

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-s87zi5d03m6rz622y1z6rlsa@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/cache.h

@@ -70,7 +70,4 @@ char *strip_path_suffix(const char *path, const char *suffix);
 char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
 char *perf_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
 
-char *perf_pathdup(const char *fmt, ...)
-	__attribute__((format (printf, 1, 2)));
-
 #endif /* __PERF_CACHE_H */

tools/perf/util/path.c

@@ -41,36 +41,6 @@ static char *cleanup_path(char *path)
 	return path;
 }
 
-static char *perf_vsnpath(char *buf, size_t n, const char *fmt, va_list args)
-{
-	const char *perf_dir = get_perf_dir();
-	size_t len;
-
-	len = strlen(perf_dir);
-	if (n < len + 1)
-		goto bad;
-	memcpy(buf, perf_dir, len);
-	if (len && !is_dir_sep(perf_dir[len-1]))
-		buf[len++] = '/';
-	len += vsnprintf(buf + len, n - len, fmt, args);
-	if (len >= n)
-		goto bad;
-	return cleanup_path(buf);
-bad:
-	strlcpy(buf, bad_path, n);
-	return buf;
-}
-
-char *perf_pathdup(const char *fmt, ...)
-{
-	char path[PATH_MAX];
-	va_list args;
-	va_start(args, fmt);
-	(void)perf_vsnpath(path, sizeof(path), fmt, args);
-	va_end(args);
-	return xstrdup(path);
-}
-
 char *mkpath(const char *fmt, ...)
 {
 	va_list args;

tools/perf/util/util.h

@@ -162,7 +162,6 @@ static inline char *gitstrchrnul(const char *s, int c)
 /*
  * Wrappers:
  */
-char *xstrdup(const char *str);
 void *xrealloc(void *ptr, size_t size) __attribute__((weak));
 
 

tools/perf/util/wrapper.c

@@ -12,18 +12,6 @@ static inline void release_pack_memory(size_t size __maybe_unused,
 {
 }
 
-char *xstrdup(const char *str)
-{
-	char *ret = strdup(str);
-	if (!ret) {
-		release_pack_memory(strlen(str) + 1, -1);
-		ret = strdup(str);
-		if (!ret)
-			die("Out of memory, strdup failed");
-	}
-	return ret;
-}
-
 void *xrealloc(void *ptr, size_t size)
 {
 	void *ret = realloc(ptr, size);