libsl

commit d616c471691af8ec05021c907d774ed8f14ec486
parent 206fe9b99f01604b10e6d8e5ab52a035712476f0
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Sat, 27 Sep 2025 12:09:58 +0200

add drw_clr_free and drw_scm_free for freeing schemes and colors

Other small cleanup:
- Change type to Clr (typedef to XftColor here, for X11 version it is XColor).
- Remove misleading comment.

Diffstat:
M
drw.c
 | 
28
+++++++++++++++++++++++++---
M
drw.h
 | 
2
++

2 files changed, 27 insertions(+), 3 deletions(-)
diff --git a/drw.c b/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++)
@@ -196,6 +195,29 @@ drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount)
 }
 
 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]);
+}
+
+void
 drw_setfontset(Drw *drw, Fnt *set)
 {
 	if (drw)
diff --git a/drw.h b/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);