mirror of https://git.ffmpeg.org/ffmpeg.git
avdevice/xcbgrab: Check sscanf() return
Alot more input checking can be performed, this is only checking the obvious missing case Fixes: CID1598562 Unchecked return value Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
parent
f6d0a41c8c
commit
78d6d13bab
|
@ -828,7 +828,10 @@ static av_cold int xcbgrab_read_header(AVFormatContext *s)
|
||||||
|
|
||||||
if (!sscanf(s->url, "%[^+]+%d,%d", display_name, &c->x, &c->y)) {
|
if (!sscanf(s->url, "%[^+]+%d,%d", display_name, &c->x, &c->y)) {
|
||||||
*display_name = 0;
|
*display_name = 0;
|
||||||
sscanf(s->url, "+%d,%d", &c->x, &c->y);
|
if(sscanf(s->url, "+%d,%d", &c->x, &c->y) != 2) {
|
||||||
|
if (*s->url)
|
||||||
|
av_log(s, AV_LOG_WARNING, "Ambigous URL: %s\n", s->url);
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
c->conn = xcb_connect(display_name[0] ? display_name : NULL, &screen_num);
|
c->conn = xcb_connect(display_name[0] ? display_name : NULL, &screen_num);
|
||||||
|
|
Loading…
Reference in New Issue