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avformat/subfile: Assert that whence is a known case

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This may help CID1452449 Uninitialized scalar variable

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer 2024-06-08 20:46:28 +02:00
parent 2a0a7d964b
commit 426d8c84c3
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GPG Key ID: B18E8928B3948D64
1 changed files with 3 additions and 0 deletions
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libavformat/subfile.c
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@ -18,6 +18,7 @@
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/opt.h"
#include "url.h"
@ -135,6 +136,8 @@ static int64_t subfile_seek(URLContext *h, int64_t pos, int whence)
case SEEK_END:
new_pos = end + pos;
break;
default:
av_assert0(0);
}
if (new_pos < c->start)
return AVERROR(EINVAL);