Subversion Repositories HelenOS-historic

Rev

Rev 1465 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
504 decky 1
/*
2
 * Copyright (C) 2005 Martin Decky
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
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
14
 * - The name of the author may not be used to endorse or promote products
15
 *   derived from this software without specific prior written permission.
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1653 cejka 27
 */
28
 
29
 /** @addtogroup libc
30
 * @{
31
 */
32
/** @file
504 decky 33
 */
34
 
35
#include <libc.h>
36
#include <unistd.h>
37
#include <stdio.h>
974 cejka 38
#include <io/io.h>
504 decky 39
 
713 decky 40
static char nl = '\n';
41
 
504 decky 42
int puts(const char * str)
43
{
44
    size_t count;
45
 
1173 cejka 46
    if (str == NULL) {
47
        return putnchars("(NULL)",6 );
48
    }
49
 
504 decky 50
    for (count = 0; str[count] != 0; count++);
713 decky 51
    if (write(1, (void * ) str, count) == count) {
52
        if (write(1, &nl, 1) == 1)
53
            return 0;
54
    }
55
 
56
    return EOF;
504 decky 57
}
58
 
974 cejka 59
/** Put count chars from buffer to stdout without adding newline
1173 cejka 60
 * @param buf Buffer with size at least count bytes - NULL pointer NOT allowed!
974 cejka 61
 * @param count
62
 * @return 0 on succes, EOF on fail
63
 */
64
int putnchars(const char * buf, size_t count)
65
{
66
    if (write(1, (void * ) buf, count) == count) {
67
            return 0;
68
    }
69
 
70
    return EOF;
71
}
72
 
73
/** Same as puts, but does not print newline at end
74
 *
75
 */
76
int putstr(const char * str)
77
{
78
    size_t count;
79
 
1010 cejka 80
    if (str == NULL) {
81
        return putnchars("(NULL)",6 );
82
    }
83
 
974 cejka 84
    for (count = 0; str[count] != 0; count++);
85
    if (write(1, (void * ) str, count) == count) {
86
            return 0;
87
    }
88
 
89
    return EOF;
90
}
91
 
1173 cejka 92
int putchar(int c)
93
{
94
    unsigned char ch = c;
95
    if (write(1, (void *)&ch , 1) == 1) {
96
            return c;
97
    }
98
 
99
    return EOF;
100
}
1465 cejka 101
 
102
int getchar(void)
103
{
104
    unsigned char c;
105
    if (read(0, (void *)&c , 1) == 1) {
106
            return c;
107
    }
108
 
109
    return EOF;
110
}
111
 
112
 
1653 cejka 113
 
114
 
115
 /** @}
116
 */
117
 
118