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v4l2src: fix memory leak in new uri handler code

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Don't leak a string everytime get_uri() is called and a device
has been set. There's a limited number of devices, so just
intern the string instead of doing more elaborate housekeeping
and storing it in the instance struct or so.
This commit is contained in:
Tim-Philipp Müller 2010-01-05 09:47:00 +00:00
parent fd9530d2d5
commit d68689255d
1 changed files with 10 additions and 2 deletions
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12
sys/v4l2/gstv4l2src.c
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@ -982,8 +982,16 @@ gst_v4l2src_uri_get_uri (GstURIHandler * handler)
{
GstV4l2Src *v4l2src = GST_V4L2SRC (handler);
if (v4l2src->v4l2object->videodev)
return g_strdup_printf ("v4l2://%s", v4l2src->v4l2object->videodev);
if (v4l2src->v4l2object->videodev != NULL) {
gchar uri[256];
/* need to return a const string, but also don't want to leak the generated
* string, so just intern it - there's a limited number of video devices
* after all */
g_snprintf (uri, sizeof (uri), "v4l2://%s", v4l2src->v4l2object->videodev);
return g_intern_string (uri);
}
return "v4l2://";
}