1 /* Test of vdprintf() function.
2 Copyright (C) 2011-2021 Free Software Foundation, Inc.
3
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
16
17 #include <config.h>
18
19 #include <stdio.h>
20
21 #include "signature.h"
22 SIGNATURE_CHECK (vdprintf, int, (int, const char *, va_list));
23
24 #include <errno.h>
25 #include <unistd.h>
26
27 #include "macros.h"
28
29 static int
my_dprintf(int fd,const char * format,...)30 my_dprintf (int fd, const char *format, ...)
31 {
32 va_list args;
33 int ret;
34
35 va_start (args, format);
36 ret = vdprintf (fd, format, args);
37 va_end (args);
38 return ret;
39 }
40
41 int
main(int argc,char * argv[])42 main (int argc, char *argv[])
43 {
44 /* Test behaviour for invalid file descriptors. */
45 {
46 errno = 0;
47 ASSERT (my_dprintf (-1, "test") == -1);
48 ASSERT (errno == EBADF);
49 }
50 {
51 close (99);
52 errno = 0;
53 ASSERT (my_dprintf (99, "test") == -1);
54 ASSERT (errno == EBADF);
55 }
56
57 return 0;
58 }
59