Initial upload commit

source/shared-code/exception/minidump.cpp

@@ -0,0 +1,85 @@
+#include "minidump.hpp"
+
+#include <DbgHelp.h>
+#pragma comment(lib, "dbghelp.lib")
+
+namespace exception
+{
+	namespace
+	{
+		constexpr MINIDUMP_TYPE get_minidump_type()
+		{
+			constexpr auto type = MiniDumpIgnoreInaccessibleMemory //
+				| MiniDumpWithHandleData //
+				| MiniDumpScanMemory //
+				| MiniDumpWithProcessThreadData //
+				| MiniDumpWithFullMemoryInfo //
+				| MiniDumpWithThreadInfo //
+				| MiniDumpWithUnloadedModules;
+
+			return static_cast<MINIDUMP_TYPE>(type);
+		}
+
+		std::string get_temp_filename()
+		{
+			char filename[MAX_PATH] = {0};
+			char pathname[MAX_PATH] = {0};
+
+			GetTempPathA(sizeof(pathname), pathname);
+			GetTempFileNameA(pathname, "boiii-", 0, filename);
+			return filename;
+		}
+
+		HANDLE write_dump_to_temp_file(const LPEXCEPTION_POINTERS exceptioninfo)
+		{
+			MINIDUMP_EXCEPTION_INFORMATION minidump_exception_info = {GetCurrentThreadId(), exceptioninfo, FALSE};
+
+			auto* const file_handle = CreateFileA(get_temp_filename().data(), GENERIC_WRITE | GENERIC_READ,
+			                                      FILE_SHARE_READ | FILE_SHARE_WRITE, nullptr, OPEN_ALWAYS,
+			                                      FILE_ATTRIBUTE_TEMPORARY | FILE_FLAG_DELETE_ON_CLOSE,
+			                                      nullptr);
+
+			if (!MiniDumpWriteDump(GetCurrentProcess(), GetCurrentProcessId(), file_handle, get_minidump_type(),
+			                       &minidump_exception_info,
+			                       nullptr,
+			                       nullptr))
+			{
+				MessageBoxA(nullptr, "There was an error creating the minidump! Hit OK to close the program.",
+				            "Minidump Error", MB_OK | MB_ICONERROR);
+				TerminateProcess(GetCurrentProcess(), 123);
+			}
+
+			return file_handle;
+		}
+
+		std::string read_file(const HANDLE file_handle)
+		{
+			FlushFileBuffers(file_handle);
+			SetFilePointer(file_handle, 0, nullptr, FILE_BEGIN);
+
+			std::string buffer{};
+
+			DWORD bytes_read = 0;
+			char temp_bytes[0x2000];
+
+			do
+			{
+				if (!ReadFile(file_handle, temp_bytes, sizeof(temp_bytes), &bytes_read, nullptr))
+				{
+					return {};
+				}
+
+				buffer.append(temp_bytes, bytes_read);
+			}
+			while (bytes_read == sizeof(temp_bytes));
+
+			return buffer;
+		}
+	}
+
+	std::string create_minidump(const LPEXCEPTION_POINTERS exceptioninfo)
+	{
+		const utils::nt::handle file_handle = write_dump_to_temp_file(exceptioninfo);
+		return read_file(file_handle);
+	}
+}

source/shared-code/exception/minidump.hpp

@@ -0,0 +1,8 @@
+#pragma once
+
+#include "../utils/nt.hpp"
+
+namespace exception
+{
+	std::string create_minidump(LPEXCEPTION_POINTERS exceptioninfo);
+}