Annotation of prex-old/usr/lib/libsa/_stdio.c, Revision 1.1.1.1.2.1
1.1 nbrk 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 <prex/prex.h>
31:
32: extern void (*__cleanup)(void); /* in exit() */
33:
1.1.1.1.2.1! nbrk 34: void __console_write(char *, size_t);
! 35: char __console_read(void);
! 36:
! 37:
1.1 nbrk 38: static device_t __console_dev;
39:
40: static int init_done = 0;
41:
1.1.1.1.2.1! nbrk 42: static void
1.1 nbrk 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("console", 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 (int)ch;
81: }
CVSweb