commit 5a20b409c673a6736c3f9326cb54edc32908f717
parent 164986763a29db97abb52b15cbd282b5636d83c0
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date: Tue, 20 Oct 2015 22:51:57 +0200
add sbase-style ecalloc(), calloc: or die
... remove intermediary variables
Diffstat:
3 files changed, 18 insertions(+), 12 deletions(-)
diff --git 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;
@@ -189,16 +188,13 @@ 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;
@@ -409,8 +405,7 @@ drw_cur_create(Drw *drw, int shape)
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;
diff --git a/util.c b/util.c
@@ -6,6 +6,16 @@
#include "util.h"
+void *
+ecalloc(size_t nmemb, size_t size)
+{
+ void *p;
+
+ if (!(p = calloc(nmemb, size)))
+ perror(NULL);
+ return p;
+}
+
void
die(const char *fmt, ...) {
va_list ap;
diff --git a/util.h b/util.h
@@ -5,3 +5,4 @@
#define BETWEEN(X, A, B) ((A) <= (X) && (X) <= (B))
void die(const char *errstr, ...);
+void *ecalloc(size_t, size_t);
