This source file includes following definitions.
- main
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19 #include <config.h>
20
21 #include <stdio.h>
22
23 #include "signature.h"
24 SIGNATURE_CHECK (fclose, int, (FILE *));
25
26 #include <errno.h>
27 #include <fcntl.h>
28 #include <stdlib.h>
29 #include <string.h>
30 #include <unistd.h>
31
32 #include "macros.h"
33
34 #define BASE "test-fclose.t"
35
36 int
37 main (int argc, char **argv)
38 {
39 const char buf[] = "hello world";
40 int fd;
41 int fd2;
42 FILE *f;
43
44
45 fd = open (BASE, O_RDWR | O_CREAT | O_TRUNC, 0600);
46 ASSERT (0 <= fd);
47 ASSERT (write (fd, buf, sizeof buf) == sizeof buf);
48 ASSERT (lseek (fd, 1, SEEK_SET) == 1);
49
50
51
52
53 fd2 = dup (fd);
54 ASSERT (0 <= fd2);
55 f = fdopen (fd2, "w");
56 ASSERT (f);
57 ASSERT (fputc (buf[1], f) == buf[1]);
58 ASSERT (fclose (f) == 0);
59 errno = 0;
60 ASSERT (lseek (fd2, 0, SEEK_CUR) == -1);
61 ASSERT (errno == EBADF);
62 ASSERT (lseek (fd, 0, SEEK_CUR) == 2);
63
64
65 fd2 = dup (fd);
66 ASSERT (0 <= fd2);
67 f = fdopen (fd2, "r");
68 ASSERT (f);
69 ASSERT (fgetc (f) == buf[2]);
70 ASSERT (fclose (f) == 0);
71 errno = 0;
72 ASSERT (lseek (fd2, 0, SEEK_CUR) == -1);
73 ASSERT (errno == EBADF);
74 ASSERT (lseek (fd, 0, SEEK_CUR) == 3);
75
76
77
78 {
79 FILE *fp = fdopen (fd, "w+");
80 ASSERT (fp != NULL);
81 ASSERT (close (fd) == 0);
82 errno = 0;
83 ASSERT (fclose (fp) == EOF);
84 ASSERT (errno == EBADF);
85 }
86
87
88
89 {
90 FILE *fp = fdopen (-1, "r");
91 if (fp != NULL)
92 {
93 errno = 0;
94 ASSERT (fclose (fp) == EOF);
95 ASSERT (errno == EBADF);
96 }
97 }
98 {
99 FILE *fp;
100 close (99);
101 fp = fdopen (99, "r");
102 if (fp != NULL)
103 {
104 errno = 0;
105 ASSERT (fclose (fp) == EOF);
106 ASSERT (errno == EBADF);
107 }
108 }
109
110
111 ASSERT (remove (BASE) == 0);
112
113 return 0;
114 }