[tip:perf/core] perf buildid: Use SBUILD_ID_SIZE macro

[tip-bot for Masami Hiramatsu <tipbot@zytor.com>]

Commit-ID:  d77fac7f9e687d137b17296d86d9143c2cccab6a
Gitweb:     http://git.kernel.org/tip/d77fac7f9e687d137b17296d86d9143c2cccab6a
Author:     Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
AuthorDate: Wed, 15 Jul 2015 18:14:28 +0900
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Mon, 20 Jul 2015 17:49:50 -0300

perf buildid: Use SBUILD_ID_SIZE macro

Introduce SBUILD_ID_SIZE macro and use it instead of using BUILD_ID_SIZE
* 2 + 1.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Hemant Kumar <hemant@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20150715091428.8915.75265.stgit@localhost.localdomain
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/builtin-buildid-cache.c | 8 ++++----
 tools/perf/builtin-buildid-list.c  | 4 ++--
 tools/perf/util/build-id.c         | 4 ++--
 tools/perf/util/build-id.h         | 3 ++-
 4 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c
index ddca990..65b4835 100644
--- a/tools/perf/builtin-buildid-cache.c
+++ b/tools/perf/builtin-buildid-cache.c
@@ -127,7 +127,7 @@ static int build_id_cache__kcore_existing(const char *from_dir, char *to_dir,
 
 static int build_id_cache__add_kcore(const char *filename, bool force)
 {
-	char dir[32], sbuildid[BUILD_ID_SIZE * 2 + 1];
+	char dir[32], sbuildid[SBUILD_ID_SIZE];
 	char from_dir[PATH_MAX], to_dir[PATH_MAX];
 	char *p;
 
@@ -184,7 +184,7 @@ static int build_id_cache__add_kcore(const char *filename, bool force)
 
 static int build_id_cache__add_file(const char *filename)
 {
-	char sbuild_id[BUILD_ID_SIZE * 2 + 1];
+	char sbuild_id[SBUILD_ID_SIZE];
 	u8 build_id[BUILD_ID_SIZE];
 	int err;
 
@@ -204,7 +204,7 @@ static int build_id_cache__add_file(const char *filename)
 static int build_id_cache__remove_file(const char *filename)
 {
 	u8 build_id[BUILD_ID_SIZE];
-	char sbuild_id[BUILD_ID_SIZE * 2 + 1];
+	char sbuild_id[SBUILD_ID_SIZE];
 
 	int err;
 
@@ -276,7 +276,7 @@ static int build_id_cache__fprintf_missing(struct perf_session *session, FILE *f
 static int build_id_cache__update_file(const char *filename)
 {
 	u8 build_id[BUILD_ID_SIZE];
-	char sbuild_id[BUILD_ID_SIZE * 2 + 1];
+	char sbuild_id[SBUILD_ID_SIZE];
 
 	int err = 0;
 
diff --git a/tools/perf/builtin-buildid-list.c b/tools/perf/builtin-buildid-list.c
index 9fe93c8..b5ca988 100644
--- a/tools/perf/builtin-buildid-list.c
+++ b/tools/perf/builtin-buildid-list.c
@@ -20,7 +20,7 @@
 static int sysfs__fprintf_build_id(FILE *fp)
 {
 	u8 kallsyms_build_id[BUILD_ID_SIZE];
-	char sbuild_id[BUILD_ID_SIZE * 2 + 1];
+	char sbuild_id[SBUILD_ID_SIZE];
 
 	if (sysfs__read_build_id("/sys/kernel/notes", kallsyms_build_id,
 				 sizeof(kallsyms_build_id)) != 0)
@@ -35,7 +35,7 @@ static int sysfs__fprintf_build_id(FILE *fp)
 static int filename__fprintf_build_id(const char *name, FILE *fp)
 {
 	u8 build_id[BUILD_ID_SIZE];
-	char sbuild_id[BUILD_ID_SIZE * 2 + 1];
+	char sbuild_id[SBUILD_ID_SIZE];
 
 	if (filename__read_build_id(name, build_id,
 				    sizeof(build_id)) != sizeof(build_id))
diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index f98c2ff..4a2c2f0 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -124,7 +124,7 @@ static char *build_id__filename(const char *sbuild_id, char *bf, size_t size)
 
 char *dso__build_id_filename(const struct dso *dso, char *bf, size_t size)
 {
-	char build_id_hex[BUILD_ID_SIZE * 2 + 1];
+	char build_id_hex[SBUILD_ID_SIZE];
 
 	if (!dso->has_build_id)
 		return NULL;
@@ -384,7 +384,7 @@ static int build_id_cache__add_b(const u8 *build_id, size_t build_id_size,
 				 const char *name, bool is_kallsyms,
 				 bool is_vdso)
 {
-	char sbuild_id[BUILD_ID_SIZE * 2 + 1];
+	char sbuild_id[SBUILD_ID_SIZE];
 
 	build_id__sprintf(build_id, build_id_size, sbuild_id);
 
diff --git a/tools/perf/util/build-id.h b/tools/perf/util/build-id.h
index 8501122..ce2f493 100644
--- a/tools/perf/util/build-id.h
+++ b/tools/perf/util/build-id.h
@@ -1,7 +1,8 @@
 #ifndef PERF_BUILD_ID_H_
 #define PERF_BUILD_ID_H_ 1
 
-#define BUILD_ID_SIZE 20
+#define BUILD_ID_SIZE	20
+#define SBUILD_ID_SIZE	(BUILD_ID_SIZE * 2 + 1)
 
 #include "tool.h"
 #include "strlist.h"