.. _program_listing_file_src_debug.cpp:

Program Listing for File debug.cpp
==================================

|exhale_lsh| :ref:`Return to documentation for file <file_src_debug.cpp>` (``src/debug.cpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   /* This file is part of brille.
   
   Copyright © 2019,2020 Greg Tucker <greg.tucker@stfc.ac.uk>
   
   brille is free software: you can redistribute it and/or modify it under the
   terms of the GNU Affero General Public License as published by the Free
   Software Foundation, either version 3 of the License, or (at your option)
   any later version.
   
   brille 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 Affero General Public License for more details.
   
   You should have received a copy of the GNU Affero General Public License
   along with brille. If not, see <https://www.gnu.org/licenses/>.            */
   
   #include "debug.hpp"
   using namespace brille;
   /*******************************************************************************
   | These functions could be defined static and/or inline and then placed in the |
   | debug header file, however doing so forces all other source files to include |
   | the windows.h header file. Such behaviour is undesirable as it wreaks havok  |
   | on standard functions (e.g., std::max) by replacing them with macros.        |
   *******************************************************************************/
   #if defined(_MSC_VER) || defined(__MINGW32__)
   // #ifdef _MSC_VER
     // #define NOMINMAX
     #include <windows.h>
     int brille::terminal_width(void){
       CONSOLE_SCREEN_BUFFER_INFO csbi;
       GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
       auto width = csbi.srWindow.Right - csbi.srWindow.Left;
       return width > 1 ? width : 1<<15;
     }
     int brille::terminal_height(void){
       CONSOLE_SCREEN_BUFFER_INFO csbi;
       GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
       return csbi.srWindow.Bottom - csbi.srWindow.Top;
     }
   #else
     #include <sys/ioctl.h>
     #include <unistd.h>
     int brille::terminal_width(void){
       struct winsize w;
       ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
       return w.ws_col > 0 ? w.ws_col : std::numeric_limits<int>::max();
     }
     int brille::terminal_height(void){
       struct winsize w;
       ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
       return w.ws_row > 0 ? w.ws_row : std::numeric_limits<int>::max();
     }
   #endif