On 5/1/22 11:44, Pierre-Anthony Lemieux wrote:
On Tue, Jan 4, 2022 at 5:39 PM Zane van Iperen <[email protected]> wrote:
On 4/1/22 01:59, [email protected] wrote:
From: Pierre-Anthony Lemieux <[email protected]>
Signed-off-by: Pierre-Anthony Lemieux <[email protected]>
---
Notes:
Found through manual fuzzing.
libavformat/imfdec.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/libavformat/imfdec.c b/libavformat/imfdec.c
index f17064cfcd..4e42db8d30 100644
--- a/libavformat/imfdec.c
+++ b/libavformat/imfdec.c
@@ -622,11 +622,15 @@ static int imf_read_header(AVFormatContext *s)
int ret = 0;
c->interrupt_callback = &s->interrupt_callback;
+
tmp_str = av_strdup(s->url);
if (!tmp_str)
return AVERROR(ENOMEM);
+ c->base_url = av_strdup(av_dirname(tmp_str));
Is the second av_strdup() here required? You've already done it above
and av_dirname() just sticks a '\0' at the last separator,
This is what I thought.
so it should
be safe to remove it:
As I understand it, av_dirname() actually returns a pointer to its own
"." string when the input is either empty or does not contain, in
which case we must make a copy.
You're right. This is ugly, but I don't see a nicer way to do it.
This lgtm then.
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