And under that, a single line of code. Flawless. Efficient. And mercifully clean.
It's a function exported by steam_api.dll (or the corresponding Steam client library) that a game can call to generate a file – a compact, platform-specific crash dump containing:
Dumps are stored in your game's installation directory before being uploaded. You can open these locally using Visual Studio or WinDbg .
Understanding SteamAPI_WriteMiniDump: A Guide to Game Crash Reporting SteamAPI WriteMiniDump
Instead of guessing what caused a crash, you can load the dump file into Visual Studio or WinDbg to see the exact line of code that failed.
SteamAPI_WriteMiniDump relies on the Windows Structured Exception Handling architecture. For Linux (SteamOS) and macOS deployments, you should look into alternative open-source solutions like Google Breakpad or Crashpad .
: An optional ID to track which version of the game crashed. Developer Access And under that, a single line of code
: The .dmp file writes directly to the local disk space inside the application root directory or the dedicated Steam installation cache folder.
LONG WINAPI TopLevelExceptionHandler(EXCEPTION_POINTERS* pep) // Build a filename char path[MAX_PATH]; SYSTEMTIME st; GetLocalTime(&st); sprintf_s(path, "crash_%04d%02d%02d_%02d%02d%02d.dmp", st.wYear, st.wMonth, st.wDay, st.wHour, st.wMinute, st.wSecond);
At 4:59 AM, Leo typed back: “I’m sorry. Let’s fix it together. For real.” And mercifully clean
Below is a comprehensive guide to understanding, implementing, and utilizing the SteamAPI_WriteMiniDump architecture in PC game development. The Architecture of Steam Crash Reporting
: The temporary data stored in the processor at that microsecond.