From 29deae2d070ec13f36aa6a8775f31df840e046d8 Mon Sep 17 00:00:00 2001
From: "Adam D. Ruppe" <destructionator@gmail.com>
Date: Sun, 2 Feb 2020 15:15:42 -0500
Subject: [PATCH] wtf files out there in the wild

---
 png.d | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/png.d b/png.d
index d12f9fb..f9c3d00 100644
--- a/png.d
+++ b/png.d
@@ -685,6 +685,11 @@ void addImageDatastreamToPng(const(ubyte)[] data, PNG* png) {
 
 	PngHeader h = getHeader(png);
 
+	if(h.depth == 0)
+		throw new Exception("depth of zero makes no sense");
+	if(h.width == 0)
+		throw new Exception("width zero?!!?!?!");
+
 	size_t bytesPerLine;
 	switch(h.type) {
 		case 0: