This source file includes following definitions.
- main
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17 #include <config.h>
18
19 #include <stdio.h>
20
21 #include "signature.h"
22 SIGNATURE_CHECK (fwrite, size_t, (const void *, size_t, size_t, FILE *));
23
24 #include <errno.h>
25 #include <fcntl.h>
26 #include <unistd.h>
27
28 #if HAVE_MSVC_INVALID_PARAMETER_HANDLER
29 # include "msvc-inval.h"
30 #endif
31
32 #include "macros.h"
33
34 int
35 main (int argc, char **argv)
36 {
37 const char *filename = "test-fwrite.txt";
38
39
40
41 #if HAVE_MSVC_INVALID_PARAMETER_HANDLER \
42 && MSVC_INVALID_PARAMETER_HANDLING == DEFAULT_HANDLING
43 gl_msvc_inval_ensure_handler ();
44 #endif
45
46
47
48 {
49 FILE *fp = fopen (filename, "w");
50 char buf[5] = "world";
51 ASSERT (fp != NULL);
52 setvbuf (fp, NULL, _IONBF, 0);
53 ASSERT (close (fileno (fp)) == 0);
54 errno = 0;
55 ASSERT (fwrite (buf, 1, sizeof (buf), fp) == 0);
56 ASSERT (errno == EBADF);
57 ASSERT (ferror (fp));
58 fclose (fp);
59 }
60
61
62
63 {
64 FILE *fp = fdopen (-1, "w");
65 if (fp != NULL)
66 {
67 char buf[5] = "world";
68 setvbuf (fp, NULL, _IONBF, 0);
69 errno = 0;
70 ASSERT (fwrite (buf, 1, sizeof (buf), fp) == 0);
71 ASSERT (errno == EBADF);
72 ASSERT (ferror (fp));
73 fclose (fp);
74 }
75 }
76 {
77 FILE *fp;
78 close (99);
79 fp = fdopen (99, "w");
80 if (fp != NULL)
81 {
82 char buf[5] = "world";
83 setvbuf (fp, NULL, _IONBF, 0);
84 errno = 0;
85 ASSERT (fwrite (buf, 1, sizeof (buf), fp) == 0);
86 ASSERT (errno == EBADF);
87 ASSERT (ferror (fp));
88 fclose (fp);
89 }
90 }
91
92
93 unlink (filename);
94
95 return 0;
96 }