usr/lib/libsa/

Prex Home / Browse Source - Prex Version: 0.9.0
/* [<][>][^][v][top][bottom][index][help] */
This source file includes following definitions.
__stdio_exit
__stdio_init
__console_write
__console_read
   1 /*
   2  * Copyright (c) 2005-2006, Kohsuke Ohtani
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the author nor the names of any co-contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29 
  30 #include <sys/prex.h>
  31 
  32 extern void     (*__cleanup)(void);     /* in exit() */
  33 
  34 void __console_write(char *, size_t);
  35 char __console_read(void);
  36 
  37 
  38 static device_t __console_dev;
  39 
  40 static int init_done = 0;
  41 
  42 static void
  43 __stdio_exit(void)
  44 {
  45 
  46         if (__console_dev)
  47                 device_close(__console_dev);
  48         init_done = 0;
  49 }
  50 
  51 static void
  52 __stdio_init(void)
  53 {
  54 
  55         device_open("tty", 0, &__console_dev);
  56         __cleanup = __stdio_exit;
  57         init_done = 1;
  58 }
  59 
  60 void
  61 __console_write(char *buf, size_t len)
  62 {
  63 
  64         if (init_done == 0)
  65                 __stdio_init();
  66 
  67         device_write(__console_dev, buf, &len, 0);
  68 }
  69 
  70 char
  71 __console_read(void)
  72 {
  73         char ch;
  74         size_t len = 1;
  75 
  76         if (init_done == 0)
  77                 __stdio_init();
  78 
  79         device_read(__console_dev, &ch, &len, 0);
  80         return ch;
  81 }
/* [<][>][^][v][top][bottom][index][help] */
root/usr/lib/libsa/_stdio.c

DEFINITIONS
