diff options
author | Lukasz Marek <lukasz.m.luki@gmail.com> | 2014-02-28 03:07:31 +0400 |
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committer | Lukasz Marek <lukasz.m.luki@gmail.com> | 2014-02-28 03:07:31 +0400 |
commit | 9f4b55ef49c1525080507f5eaeef91091d243e16 (patch) | |
tree | d0b067cf41164736cb6e2310057c476e9a5c3053 /libavformat/ftp.c | |
parent | 0025f130059dedea3dcae7bc38fdf46c40097f4c (diff) |
lavf/ftp: fix seek to nagative position
Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>
Diffstat (limited to 'libavformat/ftp.c')
-rw-r--r-- | libavformat/ftp.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/libavformat/ftp.c b/libavformat/ftp.c index 40a6a33c32..dae8aa086d 100644 --- a/libavformat/ftp.c +++ b/libavformat/ftp.c @@ -575,10 +575,12 @@ static int64_t ftp_seek(URLContext *h, int64_t pos, int whence) if (h->is_streamed) return AVERROR(EIO); - /* XXX: Simulate behaviour of lseek in file protocol, which could be treated as a reference */ - new_pos = FFMAX(0, new_pos); - fake_pos = s->filesize != -1 ? FFMIN(new_pos, s->filesize) : new_pos; + if (new_pos < 0) { + av_log(h, AV_LOG_ERROR, "Seeking to nagative position.\n"); + return AVERROR(EINVAL); + } + fake_pos = s->filesize != -1 ? FFMIN(new_pos, s->filesize) : new_pos; if (fake_pos != s->position) { if ((err = ftp_abort(h)) < 0) return err; |