removed a bunch of lines through swap removal

bar.c

@@ -25,30 +25,22 @@ draw_bar()
 	int i;
 	dc.x = dc.y = 0;
 	dc.w = bw;
-	drawtext(NULL, False);
+	drawtext(NULL, False, False);
 
 	dc.w = 0;
 	for(i = 0; i < TLast; i++) {
 		dc.x += dc.w;
 		dc.w = textw(tags[i]) + dc.font.height;
-		if(i == tsel) {
-			swap((void **)&dc.fg, (void **)&dc.bg);
-			drawtext(tags[i], True);
-			swap((void **)&dc.fg, (void **)&dc.bg);
-		}
-		else
-			drawtext(tags[i], True);
+		drawtext(tags[i], i == tsel, True);
 	}
 	if(sel) {
-		swap((void **)&dc.fg, (void **)&dc.bg);
 		dc.x += dc.w;
 		dc.w = textw(sel->name) + dc.font.height;
-		drawtext(sel->name, True);
-		swap((void **)&dc.fg, (void **)&dc.bg);
+		drawtext(sel->name, True, True);
 	}
 	dc.w = textw(stext) + dc.font.height;
 	dc.x = bx + bw - dc.w;
-	drawtext(stext, False);
+	drawtext(stext, False, False);
 	XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, bw, bh, 0, 0);
 	XFlush(dpy);
 }

client.c

@@ -598,12 +598,12 @@ draw_client(Client *c)
 		if(c->tags[i]) {
 			dc.x += dc.w;
 			dc.w = textw(c->tags[i]) + dc.font.height;
-			drawtext(c->tags[i], True);
+			drawtext(c->tags[i], False, True);
 		}
 	}
 	dc.x += dc.w;
 	dc.w = textw(c->name) + dc.font.height;
-	drawtext(c->name, True);
+	drawtext(c->name, False, True);
 	XCopyArea(dpy, dc.drawable, c->title, dc.gc,
 			0, 0, c->tw, c->th, 0, 0);
 	XFlush(dpy);

draw.c

@@ -30,7 +30,7 @@ drawborder(void)
 }
 
 void
-drawtext(const char *text, Bool border)
+drawtext(const char *text, Bool invert, Bool border)
 {
 	int x, y, w, h;
 	unsigned int len;
@@ -38,7 +38,7 @@ drawtext(const char *text, Bool border)
 	XGCValues gcv;
 	XRectangle r = { dc.x, dc.y, dc.w, dc.h };
 
-	XSetForeground(dpy, dc.gc, dc.bg);
+	XSetForeground(dpy, dc.gc, invert ? dc.fg : dc.bg);
 	XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
 
 	w = 0;
@@ -65,8 +65,8 @@ drawtext(const char *text, Bool border)
 	if(w > dc.w)
 		return; /* too long */
 
-	gcv.foreground = dc.fg;
-	gcv.background = dc.bg;
+	gcv.foreground = invert ? dc.bg : dc.fg;
+	gcv.background = invert ? dc.fg : dc.bg;
 	if(dc.font.set) {
 		XChangeGC(dpy, dc.gc, GCForeground | GCBackground, &gcv);
 		XmbDrawImageString(dpy, dc.drawable, dc.font.set, dc.gc,

dwm.h

@@ -130,7 +130,7 @@ extern void zoom(Arg *arg);
 extern void gravitate(Client *c, Bool invert);
 
 /* draw.c */
-extern void drawtext(const char *text, Bool border);
+extern void drawtext(const char *text, Bool invert, Bool border);
 extern unsigned long initcolor(const char *colstr);
 extern void initfont(const char *fontstr);
 extern unsigned int textnw(char *text, unsigned int len);
@@ -153,4 +153,3 @@ extern void quit(Arg *arg);
 extern void error(const char *errstr, ...);
 extern void *emallocz(unsigned int size);
 extern void spawn(Arg *arg);
-extern void swap(void **p1, void **p2);

util.c

@@ -38,14 +38,6 @@ emallocz(unsigned int size)
 	return res;
 }
 
-void
-swap(void **p1, void **p2)
-{
-	void *tmp = *p1;
-	*p1 = *p2;
-	*p2 = tmp;
-}
-
 void
 spawn(Arg *arg)
 {