Subversion Repositories HelenOS

Rev

Rev 4377 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
4377 svoboda 1
/*
2
 * Copyright (c) 2008 Jiri Svoboda
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 <stdio.h>
30
#include <stdlib.h>
31
#include <errno.h>
32
#include "../tester.h"
33
 
4692 svoboda 34
char *test_stdio2(void)
4377 svoboda 35
{
4692 svoboda 36
    FILE *file;
4377 svoboda 37
    char *file_name = "/test";
4692 svoboda 38
 
39
    TPRINTF("Open file \"%s\" for writing...", file_name);
4377 svoboda 40
    errno = 0;
4692 svoboda 41
    file = fopen(file_name, "wt");
42
    if (file == NULL) {
43
        TPRINTF("errno = %d\n", errno);
44
        return "Failed opening file";
45
    } else
46
        TPRINTF("OK\n");
47
 
48
    TPRINTF("Write to file...");
49
    fprintf(file, "integer: %u, string: \"%s\"", 42, "Hello!");
50
    TPRINTF("OK\n");
51
 
52
    TPRINTF("Close...");
53
    if (fclose(file) != 0) {
54
        TPRINTF("errno = %d\n", errno);
55
        return "Failed closing file";
56
    } else
57
        TPRINTF("OK\n");
58
 
59
    TPRINTF("Open file \"%s\" for reading...", file_name);
60
    file = fopen(file_name, "rt");
61
    if (file == NULL) {
62
        TPRINTF("errno = %d\n", errno);
63
        return "Failed opening file";
64
    } else
65
        TPRINTF("OK\n");
66
 
67
    TPRINTF("File contains:\n");
4377 svoboda 68
    while (true) {
4692 svoboda 69
        int c = fgetc(file);
70
        if (c == EOF)
71
            break;
72
        TPRINTF("%c", c);
4377 svoboda 73
    }
4692 svoboda 74
 
75
    TPRINTF("\nClose...");
76
    if (fclose(file) != 0) {
77
        TPRINTF("errno = %d\n", errno);
78
        return "Failed closing file";
79
    } else
80
        TPRINTF("OK\n");
81
 
4377 svoboda 82
    return NULL;
83
}