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      1 /* ----------------------------------------------------------------------- *
      2  *
      3  *   Copyright 2004-2008 H. Peter Anvin - All Rights Reserved
      4  *
      5  *   Permission is hereby granted, free of charge, to any person
      6  *   obtaining a copy of this software and associated documentation
      7  *   files (the "Software"), to deal in the Software without
      8  *   restriction, including without limitation the rights to use,
      9  *   copy, modify, merge, publish, distribute, sublicense, and/or
     10  *   sell copies of the Software, and to permit persons to whom
     11  *   the Software is furnished to do so, subject to the following
     12  *   conditions:
     13  *
     14  *   The above copyright notice and this permission notice shall
     15  *   be included in all copies or substantial portions of the Software.
     16  *
     17  *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     18  *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
     19  *   OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     20  *   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
     21  *   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
     22  *   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     23  *   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     24  *   OTHER DEALINGS IN THE SOFTWARE.
     25  *
     26  * ----------------------------------------------------------------------- */
     27 
     28 /*
     29  * ansiline.c
     30  *
     31  * Configures the console for ANSI output in line mode; versions
     32  * for COM32 and Linux support.
     33  */
     34 
     35 #ifdef __COM32__
     36 
     37 #include <stdio.h>
     38 #include <unistd.h>
     39 #include <console.h>
     40 
     41 void console_ansi_std(void)
     42 {
     43     openconsole(&dev_stdcon_r, &dev_ansiserial_w);
     44 }
     45 
     46 #else
     47 
     48 #include <stdio.h>
     49 #include <termios.h>
     50 
     51 static struct termios original_termios_settings;
     52 
     53 static void __attribute__ ((constructor)) console_init(void)
     54 {
     55     tcgetattr(0, &original_termios_settings);
     56 }
     57 
     58 static void __attribute__ ((destructor)) console_cleanup(void)
     59 {
     60     tcsetattr(0, TCSANOW, &original_termios_settings);
     61 }
     62 
     63 void console_ansi_std(void)
     64 {
     65     struct termios tio;
     66 
     67     /* Disable stdio buffering */
     68     setbuf(stdin, NULL);
     69     setbuf(stdout, NULL);
     70     setbuf(stderr, NULL);
     71 
     72     /* Set the termios flag so we behave the same as libcom32 */
     73     tcgetattr(0, &tio);
     74     tio.c_iflag &= ~ICRNL;
     75     tio.c_iflag |= IGNCR;
     76     tio.c_lflag |= ICANON | ECHO;
     77     if (!tio.c_oflag & OPOST)
     78 	tio.c_oflag = 0;
     79     tio.c_oflag |= OPOST | ONLCR;
     80     tcsetattr(0, TCSANOW, &tio);
     81 }
     82 
     83 #endif
     84