+void
+eprint(const char *errstr, ...) {
+ va_list ap;
+
+ fprintf(stderr, "%s: ", progname);
+ va_start(ap, errstr);
+ vfprintf(stderr, errstr, ap);
+ va_end(ap);
+ exit(EXIT_FAILURE);
+}
+
+unsigned long
+getcolor(const char *colstr) {
+ Colormap cmap = DefaultColormap(dpy, screen);
+ XColor color;
+
+ if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
+ eprint("cannot allocate color '%s'\n", colstr);
+ return color.pixel;
+}
+
+void
+initfont(const char *fontstr) {
+ char *def, **missing = NULL;
+ int i, n;
+
+ if(!fontstr || !*fontstr)
+ eprint("cannot load null font\n");
+ dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
+ if(missing)
+ XFreeStringList(missing);
+ if(dc.font.set) {
+ XFontStruct **xfonts;
+ char **font_names;
+ dc.font.ascent = dc.font.descent = 0;
+ n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
+ for(i = 0; i < n; i++) {
+ dc.font.ascent = MAX(dc.font.ascent, (*xfonts)->ascent);
+ dc.font.descent = MAX(dc.font.descent, (*xfonts)->descent);
+ xfonts++;
+ }
+ }
+ else {
+ if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
+ && !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
+ eprint("cannot load font '%s'\n", fontstr);
+ dc.font.ascent = dc.font.xfont->ascent;
+ dc.font.descent = dc.font.xfont->descent;
+ }
+ dc.font.height = dc.font.ascent + dc.font.descent;