From 6bc3e7b043634bbc09cae0cf8ea308f98bd65c3f Mon Sep 17 00:00:00 2001
From: omar <omarcornut@gmail.com>
Date: Tue, 13 Feb 2018 21:56:54 +0100
Subject: [PATCH] ImFontAtlas: if stbtt_PackBegin() because of failing
 allocation we return a little more nicely. (keeps Coverity static analyzer
 happy!)

---
 imgui_draw.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/imgui_draw.cpp b/imgui_draw.cpp
index 10051c4f..e7abffb5 100644
--- a/imgui_draw.cpp
+++ b/imgui_draw.cpp
@@ -1688,7 +1688,8 @@ bool    ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
     // Start packing
     const int max_tex_height = 1024*32;
     stbtt_pack_context spc = {};
-    stbtt_PackBegin(&spc, NULL, atlas->TexWidth, max_tex_height, 0, atlas->TexGlyphPadding, NULL);
+    if (!stbtt_PackBegin(&spc, NULL, atlas->TexWidth, max_tex_height, 0, atlas->TexGlyphPadding, NULL))
+        return false;
     stbtt_PackSetOversampling(&spc, 1, 1);
 
     // Pack our extra data rectangles first, so it will be on the upper-left corner of our texture (UV will have small values).