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Code Issues Releases Activity

xcbgrab: Support empty filename string correctly

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Bug-Id: CID 1254664
CC: libav-stable@libav.org
This commit is contained in:
Luca Barbato 2014-11-26 06:20:52 +01:00
parent fa8934d6d6
commit 2c3f29c489
1 changed files with 2 additions and 2 deletions
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4
libavdevice/xcbgrab.c
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@ -594,10 +594,10 @@ static av_cold int xcbgrab_read_header(AVFormatContext *s)
int screen_num, ret; int screen_num, ret;
const xcb_setup_t *setup; const xcb_setup_t *setup;
c->conn = xcb_connect(s->filename, &screen_num); c->conn = xcb_connect(s->filename[0] ? s->filename : NULL, &screen_num);
if ((ret = xcb_connection_has_error(c->conn))) { if ((ret = xcb_connection_has_error(c->conn))) {
av_log(s, AV_LOG_ERROR, "Cannot open display %s, error %d.\n", av_log(s, AV_LOG_ERROR, "Cannot open display %s, error %d.\n",
s->filename ? s->filename : "default", ret); s->filename[0] ? s->filename : "default", ret);
return AVERROR(EIO); return AVERROR(EIO);
} }
setup = xcb_get_setup(c->conn); setup = xcb_get_setup(c->conn);