[PATCH linux-next] perf probe-file: use strscpy() is more robust and safer

From: cgel . zte
Date: Wed Sep 21 2022 - 21:34:39 EST


From: ye xingchen <ye.xingchen@xxxxxxxxxx>

The implementation of strscpy() is more robust and safer.

That's now the recommended way to copy NUL terminated strings.

Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
Signed-off-by: ye xingchen <ye.xingchen@xxxxxxxxxx>
---
tools/perf/util/probe-file.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/probe-file.c b/tools/perf/util/probe-file.c
index 3d50de3217d5..8bc90b856ce3 100644
--- a/tools/perf/util/probe-file.c
+++ b/tools/perf/util/probe-file.c
@@ -459,7 +459,7 @@ static int probe_cache__open(struct probe_cache *pcache, const char *target,

if (target && build_id_cache__cached(target)) {
/* This is a cached buildid */
- strlcpy(sbuildid, target, SBUILD_ID_SIZE);
+ strscpy(sbuildid, target, SBUILD_ID_SIZE);
dir_name = build_id_cache__linkname(sbuildid, NULL, 0);
goto found;
}
--
2.25.1