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lavf/ftp: fix seek to nagative position

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Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>
This commit is contained in:
Lukasz Marek
2014-02-28 00:07:31 +01:00
parent 0025f13005
commit 9f4b55ef49
1 changed files with 5 additions and 3 deletions
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8
libavformat/ftp.c
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@@ -575,10 +575,12 @@ static int64_t ftp_seek(URLContext *h, int64_t pos, int whence)
if (h->is_streamed) if (h->is_streamed)
return AVERROR(EIO); return AVERROR(EIO);
/* XXX: Simulate behaviour of lseek in file protocol, which could be treated as a reference */ if (new_pos < 0) {
new_pos = FFMAX(0, new_pos); av_log(h, AV_LOG_ERROR, "Seeking to nagative position.\n");
fake_pos = s->filesize != -1 ? FFMIN(new_pos, s->filesize) : new_pos; return AVERROR(EINVAL);
}
fake_pos = s->filesize != -1 ? FFMIN(new_pos, s->filesize) : new_pos;
if (fake_pos != s->position) { if (fake_pos != s->position) {
if ((err = ftp_abort(h)) < 0) if ((err = ftp_abort(h)) < 0)
return err; return err;