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

From: cgel . zte
Date: Wed Sep 21 2022 - 05:38:05 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/ui/tui/helpline.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/ui/tui/helpline.c b/tools/perf/ui/tui/helpline.c
index db4952f5990b..1040e4c33469 100644
--- a/tools/perf/ui/tui/helpline.c
+++ b/tools/perf/ui/tui/helpline.c
@@ -24,7 +24,7 @@ static void tui_helpline__push(const char *msg)
SLsmg_set_color(0);
SLsmg_write_nstring((char *)msg, SLtt_Screen_Cols);
SLsmg_refresh();
- strlcpy(ui_helpline__current, msg, sz);
+ strscpy(ui_helpline__current, msg, sz);
}

static int tui_helpline__show(const char *format, va_list ap)
--
2.25.1