Subversion Repositories HelenOS-historic

Rev

Rev 1010 | Rev 1363 | Go to most recent revision | 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.
27
 */
28
 
29
#include <libc.h>
30
#include <unistd.h>
31
#include <stdio.h>
974 cejka 32
#include <io/io.h>
504 decky 33
 
713 decky 34
static char nl = '\n';
35
 
504 decky 36
int puts(const char * str)
37
{
38
    size_t count;
39
 
1173 cejka 40
    if (str == NULL) {
41
        return putnchars("(NULL)",6 );
42
    }
43
 
504 decky 44
    for (count = 0; str[count] != 0; count++);
713 decky 45
    if (write(1, (void * ) str, count) == count) {
46
        if (write(1, &nl, 1) == 1)
47
            return 0;
48
    }
49
 
50
    return EOF;
504 decky 51
}
52
 
974 cejka 53
/** Put count chars from buffer to stdout without adding newline
1173 cejka 54
 * @param buf Buffer with size at least count bytes - NULL pointer NOT allowed!
974 cejka 55
 * @param count
56
 * @return 0 on succes, EOF on fail
57
 */
58
int putnchars(const char * buf, size_t count)
59
{
60
    if (write(1, (void * ) buf, count) == count) {
61
            return 0;
62
    }
63
 
64
    return EOF;
65
}
66
 
67
/** Same as puts, but does not print newline at end
68
 *
69
 */
70
int putstr(const char * str)
71
{
72
    size_t count;
73
 
1010 cejka 74
    if (str == NULL) {
75
        return putnchars("(NULL)",6 );
76
    }
77
 
974 cejka 78
    for (count = 0; str[count] != 0; count++);
79
    if (write(1, (void * ) str, count) == count) {
80
            return 0;
81
    }
82
 
83
    return EOF;
84
}
85
 
1173 cejka 86
int putchar(int c)
87
{
88
    unsigned char ch = c;
89
    if (write(1, (void *)&ch , 1) == 1) {
90
            return c;
91
    }
92
 
93
    return EOF;
94
}
95
 
504 decky 96
ssize_t write(int fd, const void * buf, size_t count)
97
{
954 palkovsky 98
    return (ssize_t) __SYSCALL3(SYS_IO, (sysarg_t) fd, (sysarg_t) buf, (sysarg_t) count);
504 decky 99
}
974 cejka 100
 
101