libavdevice/gdigrab: change hwnd tail check fail logic to !=null

Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
This commit is contained in:
eaphone 2024-08-07 23:58:07 +08:00 committed by Zhao Zhili
parent a1976e963f
commit 7897b0beed

View File

@ -281,7 +281,7 @@ gdigrab_read_header(AVFormatContext *s1)
hwnd = (HWND) strtoull(name, &p, 0);
if (p == NULL || p == name || p[0] == '\0')
if (p == NULL || p == name || p[0] != '\0')
{
av_log(s1, AV_LOG_ERROR,
"Invalid window handle '%s', must be a valid integer.\n", name);