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b168057a | 1 | /* Copyright (C) 1991-2015 Free Software Foundation, Inc. |
874aa523 UD |
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 | #include <stdarg.h> | |
19 | #include <stdio.h> | |
20 | #include <libioP.h> | |
21 | ||
22 | ||
23 | /* Read formatted input from stdin according to the format string FORMAT. */ | |
24 | /* VARARGS1 */ | |
25 | int | |
26 | __isoc99_scanf (const char *format, ...) | |
27 | { | |
28 | va_list arg; | |
29 | int done; | |
30 | ||
c75ccd4c | 31 | #ifdef _IO_MTSAFE_IO |
874aa523 | 32 | _IO_acquire_lock_clear_flags2 (stdin); |
c75ccd4c | 33 | #endif |
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34 | stdin->_flags2 |= _IO_FLAGS2_SCANF_STD; |
35 | ||
36 | va_start (arg, format); | |
d18ea0c5 | 37 | done = _IO_vfscanf (stdin, format, arg, NULL); |
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38 | va_end (arg); |
39 | ||
c75ccd4c | 40 | #ifdef _IO_MTSAFE_IO |
874aa523 | 41 | _IO_release_lock (stdin); |
c75ccd4c | 42 | #endif |
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43 | return done; |
44 | } |