Subversion Repositories HelenOS

Rev

Rev 2670 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
504 decky 1 
/*
2071 jermar 2 
 * Copyright (c) 2005 Martin Decky
504 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 
 
1866 jermar 29 
/** @addtogroup libc
1653 cejka 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 
 
2209 decky 40 
const static char nl = '\n';
713 decky 41 
 
2209 decky 42 
int puts(const char *str)
504 decky 43 
{
44 
    size_t count;
45 
 
2209 decky 46 
    if (str == NULL)
47 
        return putnchars("(NULL)", 6);
1173 cejka 48 
 
504 decky 49 
    for (count = 0; str[count] != 0; count++);
2670 jermar 50 
    if (write_stdout((void *) str, count) == count) {
51 
        if (write_stdout(&nl, 1) == 1)
713 decky 52 
            return 0;
53 
    }
54 
 
55 
    return EOF;
504 decky 56 
}
57 
 
974 cejka 58 
/** Put count chars from buffer to stdout without adding newline
1173 cejka 59 
 * @param buf Buffer with size at least count bytes - NULL pointer NOT allowed!
974 cejka 60 
 * @param count
61 
 * @return 0 on succes, EOF on fail
62 
 */
2209 decky 63 
int putnchars(const char *buf, size_t count)
974 cejka 64 
{
2670 jermar 65 
    if (write_stdout((void *) buf, count) == count)
66 
        return 0;
974 cejka 67 
 
68 
    return EOF;
69 
}
70 
 
71 
/** Same as puts, but does not print newline at end
72 
 *
73 
 */
2209 decky 74 
int putstr(const char *str)
974 cejka 75 
{
76 
    size_t count;
77 
 
2209 decky 78 
    if (str == NULL)
79 
        return putnchars("(NULL)", 6);
1010 cejka 80 
 
974 cejka 81 
    for (count = 0; str[count] != 0; count++);
2670 jermar 82 
    if (write_stdout((void *) str, count) == count)
83 
        return 0;
974 cejka 84 
 
85 
    return EOF;
86 
}
87 
 
1173 cejka 88 
int putchar(int c)
89 
{
90 
    unsigned char ch = c;
2670 jermar 91 
    if (write_stdout((void *) &ch, 1) == 1)
92 
        return c;
1173 cejka 93 
 
94 
    return EOF;
95 
}
1465 cejka 96 
 
97 
int getchar(void)
98 
{
99 
    unsigned char c;
2670 jermar 100 
    if (read_stdin((void *) &c, 1) == 1)
101 
        return c;
1465 cejka 102 
 
103 
    return EOF;
104 
}
105 
 
1866 jermar 106 
/** @}
1653 cejka 107 
 */