blob: 687cdedfadebaf8be0d7918b48f2262fcaade57c (
plain)
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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/* Test program for bug in wide streams. */
#include <stdio.h>
#include <wchar.h>
static void do_prepare (void);
#define PREPARE(argc, argv) do_prepare ()
static int do_test (void);
#define TEST_FUNCTION do_test ()
#include <test-skeleton.c>
static char *temp_file;
static void
do_prepare (void)
{
int fd = create_temp_file ("bug-ungetc.", &temp_file);
if (fd == -1)
{
printf ("cannot create temporary file: %m\n");
exit (1);
}
write (fd, "1!", 2);
close (fd);
}
static int
do_test (void)
{
FILE *f = fopen (temp_file, "r+");
if (f == NULL)
{
printf ("fopen: %m\n");
return 1;
}
fpos_t pos;
if (fgetpos (f, &pos) != 0)
{
printf ("fgetpos: %m\n");
return 1;
}
#define L_(s) L##s
//#define fwscanf fscanf
//#define fwprintf fprintf
int i;
if (fwscanf (f, L_("%d!"), &i) != 1)
{
printf ("fwscanf failed\n");
return 1;
}
if (fsetpos (f, &pos) != 0)
{
printf ("fsetpos: %m\n");
return 1;
}
if (fwprintf (f, L_("1!")) < 2)
{
printf ("fwprintf: %m\n");
return 1;
}
if (fflush (f) != 0)
{
printf ("fflush: %m\n");
return 1;
}
if (fclose (f) != 0)
{
printf ("fclose: %m\n");
return 1;
}
puts ("Test succeeded.");
return 0;
}
|
