shithub: riscv

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games/md, games/snes: fix memory leak on resize

--- a/sys/src/games/md/md.c

+++ b/sys/src/games/md/md.c

@@ -121,7 +121,9 @@

 	originwindow(screen, Pt(0, 0), screen->r.min);

 	p = divpt(addpt(screen->r.min, screen->r.max), 2);

 	picr = (Rectangle){subpt(p, Pt(scale * 160, scale * 112)), addpt(p, Pt(scale * 160, scale * 112))};

+	if(tmp != nil) freeimage(tmp);

 	tmp = allocimage(display, Rect(0, 0, scale * 320, scale > 1 ? 1 : scale * 224), XRGB32, scale > 1, 0);

+	if(bg != nil) freeimage(bg);

 	bg = allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0xCCCCCCFF);

 	draw(screen, screen->r, bg, nil, ZP);	

 }

--- a/sys/src/games/snes/snes.c

+++ b/sys/src/games/snes/snes.c

@@ -180,7 +180,9 @@

 	p = divpt(addpt(screen->r.min, screen->r.max), 2);

 	picr = (Rectangle){subpt(p, Pt(scale * 128, scale * 112)), addpt(p, Pt(scale * 128, scale * 127))};

+	if(tmp != nil) freeimage(tmp);

 	tmp = allocimage(display, Rect(0, 0, scale * 256, scale > 1 ? 1 : scale * 239), RGB15, scale > 1, 0);

+	if(bg != nil) freeimage(bg);

 	bg = allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0xCCCCCCFF);

 	draw(screen, screen->r, bg, nil, ZP);	

 }