wireguard-tools/src/wincompat/init.c

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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2015-2020 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
*/
#include <winsock2.h>
#include <windows.h>
#ifndef ENABLE_VIRTUAL_TERMINAL_PROCESSING
#define ENABLE_VIRTUAL_TERMINAL_PROCESSING 0x4
#endif
__attribute__((constructor)) static void init(void)
{
char *colormode;
DWORD console_mode;
HANDLE stdout_handle;
WSADATA wsaData;
WSAStartup(MAKEWORD(2, 2), &wsaData);
stdout_handle = GetStdHandle(STD_OUTPUT_HANDLE); // We don't close this.
if (stdout_handle == INVALID_HANDLE_VALUE)
goto no_color;
if (!GetConsoleMode(stdout_handle, &console_mode))
goto no_color;
if (!SetConsoleMode(stdout_handle, ENABLE_VIRTUAL_TERMINAL_PROCESSING | console_mode))
goto no_color;
return;
no_color:
colormode = getenv("WG_COLOR_MODE");
if (!colormode)
putenv("WG_COLOR_MODE=never");
}
__attribute__((destructor)) static void deinit(void)
{
WSACleanup();
}