From b22e61871ccfce6c6bc66130e7c6eed0f89b3386 Mon Sep 17 00:00:00 2001
From: Michael Drake <tlsa@netsurf-browser.org>
Date: Tue, 24 Jan 2023 15:30:57 +0000
Subject: [PATCH] gtk: Don't try to make zero-size bitmaps

Fixes complete failure to render wikipedia and the register when
built against rsvg.
---
 frontends/gtk/bitmap.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/frontends/gtk/bitmap.c b/frontends/gtk/bitmap.c
index bfd29e1f4..a995a9e28 100644
--- a/frontends/gtk/bitmap.c
+++ b/frontends/gtk/bitmap.c
@@ -53,6 +53,10 @@ static void *bitmap_create(int width, int height, enum gui_bitmap_flags flags)
 {
 	struct bitmap *gbitmap;
 
+	if (width == 0 || height == 0) {
+		return NULL;
+	}
+
 	gbitmap = calloc(1, sizeof(struct bitmap));
 	if (gbitmap != NULL) {
 		if (flags & BITMAP_OPAQUE) {