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568035b7 | 1 | /* Copyright (C) 1995-2013 Free Software Foundation, Inc. |
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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 | |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. | |
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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_chk (int d, int flags, const char *format, va_list arg) | |
32 | { | |
33 | struct _IO_FILE_plus tmpfil; | |
34 | struct _IO_wide_data wd; | |
35 | int done; | |
36 | ||
37 | #ifdef _IO_MTSAFE_IO | |
38 | tmpfil.file._lock = NULL; | |
39 | #endif | |
40 | _IO_no_init (&tmpfil.file, _IO_USER_LOCK, 0, &wd, &_IO_wfile_jumps); | |
41 | _IO_JUMPS (&tmpfil) = &_IO_file_jumps; | |
d18ea0c5 | 42 | _IO_file_init (&tmpfil); |
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43 | #if !_IO_UNIFIED_JUMPTABLES |
44 | tmpfil.vtable = NULL; | |
45 | #endif | |
d18ea0c5 | 46 | if (_IO_file_attach (&tmpfil.file, d) == NULL) |
dff37515 | 47 | { |
d18ea0c5 | 48 | _IO_un_link (&tmpfil); |
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49 | return EOF; |
50 | } | |
817328ee AS |
51 | tmpfil.file._flags |= _IO_DELETE_DONT_CLOSE; |
52 | ||
53 | _IO_mask_flags (&tmpfil.file, _IO_NO_READS, | |
54 | _IO_NO_READS+_IO_NO_WRITES+_IO_IS_APPENDING); | |
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55 | |
56 | /* For flags > 0 (i.e. __USE_FORTIFY_LEVEL > 1) request that %n | |
57 | can only come from read-only format strings. */ | |
58 | if (flags > 0) | |
59 | tmpfil.file._flags2 |= _IO_FLAGS2_FORTIFY; | |
60 | ||
d18ea0c5 | 61 | done = _IO_vfprintf (&tmpfil.file, format, arg); |
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62 | |
63 | _IO_FINISH (&tmpfil.file); | |
64 | ||
65 | return done; | |
66 | } | |
67 | libc_hidden_def (__vdprintf_chk) |