add -of and -ob arguments for outline colors options for multi-selection

Because drw_scm_create() allocates it.

dmenu.1

@@ -20,6 +20,10 @@ dmenu \- dynamic menu
 .IR color ]
 .RB [ \-sf
 .IR color ]
+.RB [ \-ob
+.IR color ]
+.RB [ \-of
+.IR color ]
 .RB [ \-w
 .IR windowid ]
 .P
@@ -75,6 +79,12 @@ defines the selected background color.
 .BI \-sf " color"
 defines the selected foreground color.
 .TP
+.BI \-ob " color"
+defines the outline background color (for multiple selection).
+.TP
+.BI \-of " color"
+defines the outline foreground color (for multiple selection).
+.TP
 .B \-v
 prints version information to stdout, then exits.
 .TP

dmenu.c

@@ -102,7 +102,7 @@ cleanup(void)
 
 	XUngrabKeyboard(dpy, CurrentTime);
 	for (i = 0; i < SchemeLast; i++)
-		free(scheme[i]);
+		drw_scm_free(drw, scheme[i], 2);
 	for (i = 0; items && items[i].text; ++i)
 		free(items[i].text);
 	free(items);
@@ -755,6 +755,10 @@ main(int argc, char *argv[])
 			colors[SchemeSel][ColBg] = argv[++i];
 		else if (!strcmp(argv[i], "-sf"))  /* selected foreground color */
 			colors[SchemeSel][ColFg] = argv[++i];
+		else if (!strcmp(argv[i], "-ob"))  /* outline background color */
+			colors[SchemeOut][ColBg] = argv[++i];
+		else if (!strcmp(argv[i], "-of"))  /* outline foreground color */
+			colors[SchemeOut][ColFg] = argv[++i];
 		else if (!strcmp(argv[i], "-w"))   /* embedding window id */
 			embed = argv[++i];
 		else

drw.c

@@ -178,8 +178,7 @@ drw_clr_create(Drw *drw, Clr *dest, const char *clrname)
 		die("error, cannot allocate color '%s'", clrname);
 }
 
-/* Wrapper to create color schemes. The caller has to call free(3) on the
- * returned color scheme when done using it. */
+/* Create color schemes. */
 Clr *
 drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount)
 {
@@ -187,7 +186,7 @@ drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount)
 	Clr *ret;
 
 	/* need at least two colors for a scheme */
-	if (!drw || !clrnames || clrcount < 2 || !(ret = ecalloc(clrcount, sizeof(XftColor))))
+	if (!drw || !clrnames || clrcount < 2 || !(ret = ecalloc(clrcount, sizeof(Clr))))
 		return NULL;
 
 	for (i = 0; i < clrcount; i++)
@@ -195,6 +194,30 @@ drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount)
 	return ret;
 }
 
+void
+drw_clr_free(Drw *drw, Clr *c)
+{
+	if (!drw || !c)
+		return;
+
+	/* c is typedef XftColor Clr */
+	XftColorFree(drw->dpy, DefaultVisual(drw->dpy, drw->screen),
+	             DefaultColormap(drw->dpy, drw->screen), c);
+}
+
+void
+drw_scm_free(Drw *drw, Clr *scm, size_t clrcount)
+{
+	size_t i;
+
+	if (!drw || !scm)
+		return;
+
+	for (i = 0; i < clrcount; i++)
+		drw_clr_free(drw, &scm[i]);
+	free(scm);
+}
+
 void
 drw_setfontset(Drw *drw, Fnt *set)
 {

drw.h

@@ -40,7 +40,9 @@ void drw_font_getexts(Fnt *font, const char *text, unsigned int len, unsigned in
 
 /* Colorscheme abstraction */
 void drw_clr_create(Drw *drw, Clr *dest, const char *clrname);
+void drw_clr_free(Drw *drw, Clr *c);
 Clr *drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount);
+void drw_scm_free(Drw *drw, Clr *scm, size_t clrcount);
 
 /* Cursor abstraction */
 Cur *drw_cur_create(Drw *drw, int shape);