1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
/* $OpenBSD: fmemopentest.c,v 1.1 2013/01/01 17:43:07 mpi Exp $ */
/*
* Copyright (c) 2011 Martin Pieuchot <mpi@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
int
main(void)
{
FILE *s1, *s2;
char c, string[] = "fmemopen test string!";
char buffer[1024], *buf = NULL;
size_t len;
int failures = 0;
s1 = fmemopen(string, strlen(string), "r");
if (s1 == NULL) {
warn("unable to open a stream s1");
return (1);
}
s2 = fmemopen(buf, 22, "w+");
if (s2 == NULL) {
warn("unable to create a stream s2");
fclose(s1);
return (1);
}
while ((c = fgetc(s1)) != EOF)
fputc(c, s2);
if (ftell(s2) != strlen(string)) {
warnx("failed copy test (1)");
failures++;
}
fclose(s1);
fseek(s2, 0, SEEK_SET);
if (ftell(s2) != 0) {
warnx("failed seek test (2)");
failures++;
}
len = fread(buffer, 1, sizeof(buffer) - 1, s2);
if (len != strlen(string)) {
warnx("failed read test (3)");
failures++;
}
return (failures);
}
|
