1 | /* Copyright (C) 1995-2022 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library 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 GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. |
17 | |
18 | As a special exception, if you link the code in this file with |
19 | files compiled with a GNU compiler to produce an executable, |
20 | that does not cause the resulting executable to be covered by |
21 | the GNU Lesser General Public License. This exception does not |
22 | however invalidate any other reasons why the executable file |
23 | might be covered by the GNU Lesser General Public License. |
24 | This exception applies to code released by its copyright holders |
25 | in files containing the exception. */ |
26 | |
27 | #include <libioP.h> |
28 | #include <stdio_ext.h> |
29 | |
30 | int |
31 | __vdprintf_internal (int d, const char *format, va_list arg, |
32 | unsigned int mode_flags) |
33 | { |
34 | struct _IO_FILE_plus tmpfil; |
35 | struct _IO_wide_data wd; |
36 | int done; |
37 | |
38 | #ifdef _IO_MTSAFE_IO |
39 | tmpfil.file._lock = NULL; |
40 | #endif |
41 | _IO_no_init (&tmpfil.file, _IO_USER_LOCK, 0, &wd, &_IO_wfile_jumps); |
42 | _IO_JUMPS (&tmpfil) = &_IO_file_jumps; |
43 | _IO_new_file_init_internal (&tmpfil); |
44 | if (_IO_file_attach (&tmpfil.file, d) == NULL) |
45 | { |
46 | _IO_un_link (&tmpfil); |
47 | return EOF; |
48 | } |
49 | tmpfil.file._flags |= _IO_DELETE_DONT_CLOSE; |
50 | |
51 | _IO_mask_flags (&tmpfil.file, _IO_NO_READS, |
52 | _IO_NO_READS+_IO_NO_WRITES+_IO_IS_APPENDING); |
53 | |
54 | done = __vfprintf_internal (&tmpfil.file, format, arg, mode_flags); |
55 | |
56 | if (done != EOF && _IO_do_flush (&tmpfil.file) == EOF) |
57 | done = EOF; |
58 | |
59 | _IO_FINISH (&tmpfil.file); |
60 | |
61 | return done; |
62 | } |
63 | |
64 | int |
65 | __vdprintf (int d, const char *format, va_list arg) |
66 | { |
67 | return __vdprintf_internal (d, format, arg, 0); |
68 | } |
69 | ldbl_weak_alias (__vdprintf, vdprintf) |
70 | |