add, then use, xvasprintf, checking for appropriate return.

1 files changed, 2 insertions, 5 deletions

diff --git a/screen.c b/screen.c
index f86394f..390dfe4 100644
--- a/screen.c
+++ b/screen.c
@@ -15,7 +15,7 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  *
- * $OpenBSD: screen.c,v 1.93 2019/03/08 20:33:30 okan Exp $
+ * $OpenBSD: screen.c,v 1.94 2020/01/22 19:58:35 okan Exp $
  */
 
 #include <sys/types.h>
@@ -275,15 +275,12 @@ void
 screen_prop_win_draw(struct screen_ctx *sc, const char *fmt, ...)
 {
 	va_list			 ap;
-	int			 i;
 	char			*text;
 	XGlyphInfo		 extents;
 
 	va_start(ap, fmt);
-	i = vasprintf(&text, fmt, ap);
+	xvasprintf(&text, fmt, ap);
 	va_end(ap);
-	if (i < 0 || text == NULL)
-		err(1, "vasprintf");
 
 	XftTextExtentsUtf8(X_Dpy, sc->xftfont, (const FcChar8*)text,
 	    strlen(text), &extents);