ignore prompt if it is empty in addition to NULL

diff --git a/dmenu.c b/dmenu.c
index f7eba87..3962801 100644 (file)
--- a/dmenu.c
+++ b/dmenu.c
@@ -169,7 +169,7 @@ drawmenu(void) {
        dc->h = bh;
        drawrect(dc, 0, 0, mw, mh, True, BG(dc, normcol));
 
-       if(prompt) {
+       if(prompt && *prompt) {
                dc->w = promptw;
                drawtext(dc, prompt, selcol);
                dc->x = dc->w;
@@ -579,7 +579,7 @@ setup(void) {
                y = topbar ? 0 : DisplayHeight(dc->dpy, screen) - mh;
                mw = DisplayWidth(dc->dpy, screen);
        }
-       promptw = prompt ? textw(dc, prompt) : 0;
+       promptw = (prompt && *prompt) ? textw(dc, prompt) : 0;
        inputw = MIN(inputw, mw/3);
        match();