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perf config: Modify size factor of snprintf

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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>
This commit is contained in:
Sihyeon Jang 2018-12-02 00:46:03 +09:00 committed by Arnaldo Carvalho de Melo
parent c8dd6ee51a
commit 75c375c0ae
1 changed files with 2 additions and 2 deletions
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4
tools/perf/util/config.c
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@ -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);