linux-kernel - [PATCH 05/10] perf tools: Remove some unused functions

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Date:	Mon, 20 Jun 2016 19:23:25 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	David Ahern <dsahern@...il.com>, Jiri Olsa <jolsa@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Wang Nan <wangnan0@...wei.com>
Subject: [PATCH 05/10] perf tools: Remove some unused functions

From: Arnaldo Carvalho de Melo <acme@...hat.com>

Probably are there since the beginning, taken from git but never used.

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Wang Nan <wangnan0@...wei.com>
Link: http://lkml.kernel.org/n/tip-lr65jeefffjeaywoapps9a6i@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/cache.h  |  4 ---
 tools/perf/util/config.c |  2 +-
 tools/perf/util/path.c   | 65 +-----------------------------------------------
 3 files changed, 2 insertions(+), 69 deletions(-)

diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h
index 0d814bb74661..f260040abc90 100644
--- a/tools/perf/util/cache.h
+++ b/tools/perf/util/cache.h
@@ -32,7 +32,6 @@ int perf_config_int(const char *, const char *);
 u64 perf_config_u64(const char *, const char *);
 int perf_config_bool(const char *, const char *);
 int config_error_nonbool(const char *);
-const char *perf_config_dirname(const char *, const char *);
 const char *perf_etc_perfconfig(void);
 
 char *alias_lookup(const char *alias);
@@ -45,9 +44,6 @@ static inline int is_absolute_path(const char *path)
 	return path[0] == '/';
 }
 
-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)));
 
 #endif /* __PERF_CACHE_H */
diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c
index 31e09a4e8862..d15c59267644 100644
--- a/tools/perf/util/config.c
+++ b/tools/perf/util/config.c
@@ -372,7 +372,7 @@ int perf_config_bool(const char *name, const char *value)
 	return !!perf_config_bool_or_int(name, value, &discard);
 }
 
-const char *perf_config_dirname(const char *name, const char *value)
+static const char *perf_config_dirname(const char *name, const char *value)
 {
 	if (!name)
 		return NULL;
diff --git a/tools/perf/util/path.c b/tools/perf/util/path.c
index 3bf6bf82ff2d..cff8bf0f87e8 100644
--- a/tools/perf/util/path.c
+++ b/tools/perf/util/path.c
@@ -14,14 +14,8 @@
 
 static char bad_path[] = "/bad-path/";
 /*
- * Two hacks:
+ * One hack:
  */
-
-static const char *get_perf_dir(void)
-{
-	return ".";
-}
-
 static char *get_pathname(void)
 {
 	static char pathname_array[4][PATH_MAX];
@@ -54,60 +48,3 @@ char *mkpath(const char *fmt, ...)
 		return bad_path;
 	return cleanup_path(pathname);
 }
-
-char *perf_path(const char *fmt, ...)
-{
-	const char *perf_dir = get_perf_dir();
-	char *pathname = get_pathname();
-	va_list args;
-	unsigned len;
-
-	len = strlen(perf_dir);
-	if (len > PATH_MAX-100)
-		return bad_path;
-	memcpy(pathname, perf_dir, len);
-	if (len && perf_dir[len-1] != '/')
-		pathname[len++] = '/';
-	va_start(args, fmt);
-	len += vsnprintf(pathname + len, PATH_MAX - len, fmt, args);
-	va_end(args);
-	if (len >= PATH_MAX)
-		return bad_path;
-	return cleanup_path(pathname);
-}
-
-/* strip arbitrary amount of directory separators at end of path */
-static inline int chomp_trailing_dir_sep(const char *path, int len)
-{
-	while (len && is_dir_sep(path[len - 1]))
-		len--;
-	return len;
-}
-
-/*
- * If path ends with suffix (complete path components), returns the
- * part before suffix (sans trailing directory separators).
- * Otherwise returns NULL.
- */
-char *strip_path_suffix(const char *path, const char *suffix)
-{
-	int path_len = strlen(path), suffix_len = strlen(suffix);
-
-	while (suffix_len) {
-		if (!path_len)
-			return NULL;
-
-		if (is_dir_sep(path[path_len - 1])) {
-			if (!is_dir_sep(suffix[suffix_len - 1]))
-				return NULL;
-			path_len = chomp_trailing_dir_sep(path, path_len);
-			suffix_len = chomp_trailing_dir_sep(suffix, suffix_len);
-		}
-		else if (path[--path_len] != suffix[--suffix_len])
-			return NULL;
-	}
-
-	if (path_len && !is_dir_sep(path[path_len - 1]))
-		return NULL;
-	return strndup(path, chomp_trailing_dir_sep(path, path_len));
-}
-- 
2.5.5