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1 | /* Copyright (C) 1993-2015 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 | <http://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 | ||
29 | void | |
30 | _IO_setbuffer (fp, buf, size) | |
31 | _IO_FILE *fp; | |
32 | char *buf; | |
33 | _IO_size_t size; | |
34 | { | |
35 | CHECK_FILE (fp, ); | |
36 | _IO_acquire_lock (fp); | |
37 | fp->_flags &= ~_IO_LINE_BUF; | |
38 | if (!buf) | |
39 | size = 0; | |
40 | (void) _IO_SETBUF (fp, buf, size); | |
41 | if (_IO_vtable_offset (fp) == 0 && fp->_mode == 0 && _IO_CHECK_WIDE (fp)) | |
42 | /* We also have to set the buffer using the wide char function. */ | |
43 | (void) _IO_WSETBUF (fp, buf, size); | |
44 | _IO_release_lock (fp); | |
45 | } | |
46 | libc_hidden_def (_IO_setbuffer) | |
47 | ||
48 | #ifdef weak_alias | |
49 | weak_alias (_IO_setbuffer, setbuffer) | |
50 | #endif |