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

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Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
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eaphone 2024-08-07 23:58:07 +08:00 • committed by Zhao Zhili
parent a1976e963f
commit 7897b0beed
1 changed files with 1 additions and 1 deletions
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2
libavdevice/gdigrab.c
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@ -281,7 +281,7 @@ gdigrab_read_header(AVFormatContext *s1)
hwnd = (HWND) strtoull(name, &p, 0); 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, av_log(s1, AV_LOG_ERROR,
"Invalid window handle '%s', must be a valid integer.\n", name); "Invalid window handle '%s', must be a valid integer.\n", name);