[PATCH 70/75] perf config: Modify size factor of snprintf

Arnaldo Carvalho de Melo
2018-12-06T21:32:11Z

From: Sihyeon Jang <uneedsihyeon@gmail.com>

According to definition of snprintf, it gets size factor including
null('\0') byte. So '-1' is not neccessary. Also it will be helpful
unfied style with other cases. (eg. builtin-script.c)

Signed-off-by: Sihyeon Jang <uneedsihyeon@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/20181201154603.10093-1-uneedsihyeon@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/config.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c
index 3beb4cf44c31..1ea8f898f1a1 100644
--- a/tools/perf/util/config.c
+++ b/tools/perf/util/config.c
@@ -815,14 +815,14 @@ int config_error_nonbool(const char *var)
void set_buildid_dir(const char *dir)
{
if (dir)
- scnprintf(buildid_dir, MAXPATHLEN-1, "%s", dir);
+ scnprintf(buildid_dir, MAXPATHLEN, "%s", dir);

/* default to $HOME/.debug */
if (buildid_dir[0] == '\0') {
char *home = getenv("HOME");

if (home) {
- snprintf(buildid_dir, MAXPATHLEN-1, "%s/%s",
+ snprintf(buildid_dir, MAXPATHLEN, "%s/%s",
home, DEBUG_CACHE_DIR);
} else {
strncpy(buildid_dir, DEBUG_CACHE_DIR, MAXPATHLEN-1);
--
2.19.2