From 9f697af138a2ab1af16f2f2a1986a186e8422b81 Mon Sep 17 00:00:00 2001
From: whitequark <whitequark@whitequark.org>
Date: Tue, 3 Jan 2017 01:10:53 +0000
Subject: [PATCH] Win32: don't display dialogs for CRT assertions, like for
 aborts.

Among other annoyances this causes our CI builds to hang infinitely
without any indication in the console.
---
 src/platform/w32util.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/platform/w32util.cpp b/src/platform/w32util.cpp
index a38ab93..ef6936a 100644
--- a/src/platform/w32util.cpp
+++ b/src/platform/w32util.cpp
@@ -216,6 +216,11 @@ std::vector<std::string> InitPlatform(int argc, char **argv) {
     // Don't display the abort message; it is aggravating in CLI binaries
     // and results in infinite WndProc recursion in GUI binaries.
     _set_abort_behavior(0, _WRITE_ABORT_MSG);
+    int crtReportTypes[] = {_CRT_WARN, _CRT_ERROR, _CRT_ASSERT};
+    for(int crtReportType : crtReportTypes) {
+        _CrtSetReportMode(crtReportType, _CRTDBG_MODE_FILE | _CRTDBG_MODE_DEBUG);
+        _CrtSetReportFile(crtReportType, _CRTDBG_FILE_STDERR);
+    }
 #endif
 
     // Extract the command-line arguments; the ones from main() are ignored,