| /* clear - toolbox |
| Copyright 2015 libdll.so |
| |
| This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
| */ |
| |
| #ifdef _WIN32 |
| #include <windows.h> |
| #include <winioctl.h> |
| #ifndef IOCTL_CONSOLE_CLS |
| #define IOCTL_CONSOLE_CLS CTL_CODE(FILE_DEVICE_CONSOLE, 5, METHOD_BUFFERED, FILE_ANY_ACCESS) |
| #endif |
| #ifndef FILE_DEVICE_CONSOLE |
| #define FILE_DEVICE_CONSOLE 0x00000102 |
| #endif |
| #ifndef STDOUT_FILENO |
| #ifdef _WIN32_WCE |
| #include <stdio.h> |
| #define STDOUT_FILENO fileno(stdout) |
| #else |
| #define STDOUT_FILENO ((int)GetStdHandle(STD_OUTPUT_HANDLE) ? : -1) |
| #endif |
| #endif |
| #else |
| #include <unistd.h> |
| #define CLEAR_SCREEN "\e[H\e[J" |
| #endif |
| |
| int clear_main() { |
| #ifdef _WIN32 |
| unsigned long int rsize; |
| return DeviceIoControl((void *)STDOUT_FILENO, IOCTL_CONSOLE_CLS, NULL, 0, NULL, 0, &rsize, NULL) ? 0 : 1; |
| #else |
| size_t len = sizeof CLEAR_SCREEN - 1; |
| return write(STDOUT_FILENO, CLEAR_SCREEN, len) == len ? 0 : 1; |
| #endif |
| } |