X-Git-Url: https://git.xinqibao.xyz/dmenu.git/blobdiff_plain/03cb1ec55abebb6355858f582d68e33dabcfe6f5..1f2226df1380f178240bb81dddcad6c5ff2e9d62:/drw.c

diff --git a/drw.c b/drw.c
index 6aeb59d..4815e3a 100644
--- a/drw.c
+++ b/drw.c
@@ -65,8 +65,7 @@ drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h
 {
 	Drw *drw;
 
-	if (!(drw = calloc(1, sizeof(Drw))))
-		return NULL;
+	drw = ecalloc(1, sizeof(Drw));
 	drw->dpy = dpy;
 	drw->screen = screen;
 	drw->root = root;
@@ -83,8 +82,6 @@ drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h
 void
 drw_resize(Drw *drw, unsigned int w, unsigned int h)
 {
-	if (!drw)
-		return;
 	drw->w = w;
 	drw->h = h;
 	if (drw->drawable)
@@ -189,16 +186,11 @@ Clr *
 drw_clr_create(Drw *drw, const char *clrname)
 {
 	Clr *clr;
-	Colormap cmap;
-	Visual *vis;
 
-	if (!drw)
-		return NULL;
-	if (!(clr = calloc(1, sizeof(Clr))))
-		return NULL;
-	cmap = DefaultColormap(drw->dpy, drw->screen);
-	vis = DefaultVisual(drw->dpy, drw->screen);
-	if (!XftColorAllocName(drw->dpy, vis, cmap, clrname, &clr->rgb))
+	clr = ecalloc(1, sizeof(Clr));
+	if (!XftColorAllocName(drw->dpy, DefaultVisual(drw->dpy, drw->screen),
+	                       DefaultColormap(drw->dpy, drw->screen),
+	                       clrname, &clr->rgb))
 		die("error, cannot allocate color '%s'\n", clrname);
 	clr->pix = clr->rgb.pixel;
 
@@ -214,15 +206,13 @@ drw_clr_free(Clr *clr)
 void
 drw_setscheme(Drw *drw, ClrScheme *scheme)
 {
-	if (!drw)
-		return;
 	drw->scheme = scheme;
 }
 
 void
 drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int empty, int invert)
 {
-	if (!drw || !drw->scheme)
+	if (!drw->scheme)
 		return;
 	XSetForeground(drw->dpy, drw->gc, invert ? drw->scheme->bg->pix : drw->scheme->fg->pix);
 	if (filled)
@@ -373,8 +363,6 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *tex
 void
 drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int h)
 {
-	if (!drw)
-		return;
 	XCopyArea(drw->dpy, drw->drawable, win, drw->gc, x, y, w, h, x, y);
 	XSync(drw->dpy, False);
 }
@@ -384,8 +372,6 @@ drw_font_getexts(Fnt *font, const char *text, unsigned int len, Extnts *tex)
 {
 	XGlyphInfo ext;
 
-	if (!font || !text)
-		return;
 	XftTextExtentsUtf8(font->dpy, font->xfont, (XftChar8 *)text, len, &ext);
 	tex->h = font->h;
 	tex->w = ext.xOff;
@@ -396,9 +382,8 @@ drw_font_getexts_width(Fnt *font, const char *text, unsigned int len)
 {
 	Extnts tex;
 
-	if (!font)
-		return -1;
 	drw_font_getexts(font, text, len, &tex);
+
 	return tex.w;
 }
 
@@ -407,10 +392,7 @@ drw_cur_create(Drw *drw, int shape)
 {
 	Cur *cur;
 
-	if (!drw)
-		return NULL;
-	if (!(cur = calloc(1, sizeof(Cur))))
-		return NULL;
+	cur = ecalloc(1, sizeof(Cur));
 	cur->cursor = XCreateFontCursor(drw->dpy, shape);
 
 	return cur;
@@ -419,7 +401,7 @@ drw_cur_create(Drw *drw, int shape)
 void
 drw_cur_free(Drw *drw, Cur *cursor)
 {
-	if (!drw || !cursor)
+	if (!cursor)
 		return;
 	XFreeCursor(drw->dpy, cursor->cursor);
 	free(cursor);