Function MyGetModuleFileNameW

retrace/process_name.cpp:192–224

}

static DWORD WINAPI
MyGetModuleFileNameW(HMODULE hModule, LPWSTR lpFilename, DWORD nSize)
{
    if (hModule == nullptr) {
        if (0) {
            void *pCallerAddr = ReturnAddress();
            HMODULE hCallerModule = GetModuleFromAddress(pCallerAddr);
            WCHAR szCaller[MAX_PATH];
            DWORD dwRet = pfnGetModuleFileNameW(hCallerModule, szCaller, sizeof szCaller);
            assert(dwRet > 0);

            std::cerr << "GetModuleFileNameW(" << hModule << ") from " << szCaller << "\n";
        }

        assert(*g_processName);
        assert(nSize != 0);

        size_t len = strlen(g_processName);
        if (len < nSize) {
            ::MultiByteToWideChar(CP_UTF8, 0, g_processName, -1, lpFilename, len);
            lpFilename[len] = 0;
            SetLastError(ERROR_SUCCESS);
            return len;
        } else {
            ::MultiByteToWideChar(CP_UTF8, 0, g_processName, -1, lpFilename, nSize - 1);
            lpFilename[nSize - 1] = L'\0';
            SetLastError(ERROR_INSUFFICIENT_BUFFER);
            return nSize;
        }
    }

    return pfnGetModuleFileNameW(hModule, lpFilename, nSize);
}

void
setProcessName(const char *processName)