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0261d33f UD |
1 | /* Copyright (C) 1993, 1995, 1997, 1998, 1999, 2002, 2003 |
2 | Free Software Foundation, Inc. | |
41bdb6e2 | 3 | This file is part of the GNU C Library. |
96aa2d94 | 4 | |
41bdb6e2 AJ |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
96aa2d94 | 9 | |
41bdb6e2 AJ |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
40a55d20 | 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
41bdb6e2 AJ |
13 | Lesser General Public License for more details. |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. | |
41bdb6e2 AJ |
18 | |
19 | As a special exception, if you link the code in this file with | |
20 | files compiled with a GNU compiler to produce an executable, | |
21 | that does not cause the resulting executable to be covered by | |
22 | the GNU Lesser General Public License. This exception does not | |
23 | however invalidate any other reasons why the executable file | |
24 | might be covered by the GNU Lesser General Public License. | |
25 | This exception applies to code released by its copyright holders | |
26 | in files containing the exception. */ | |
96aa2d94 RM |
27 | |
28 | #include "libioP.h" | |
29 | ||
30 | _IO_size_t | |
31 | _IO_fread (buf, size, count, fp) | |
32 | void *buf; | |
33 | _IO_size_t size; | |
34 | _IO_size_t count; | |
40a55d20 | 35 | _IO_FILE *fp; |
96aa2d94 | 36 | { |
085320f5 | 37 | _IO_size_t bytes_requested = size * count; |
96aa2d94 RM |
38 | _IO_size_t bytes_read; |
39 | CHECK_FILE (fp, 0); | |
40 | if (bytes_requested == 0) | |
41 | return 0; | |
0261d33f | 42 | _IO_acquire_lock (fp); |
77fe0b9c | 43 | bytes_read = INTUSE(_IO_sgetn) (fp, (char *) buf, bytes_requested); |
0261d33f | 44 | _IO_release_lock (fp); |
96aa2d94 RM |
45 | return bytes_requested == bytes_read ? count : bytes_read / size; |
46 | } | |
77fe0b9c | 47 | INTDEF(_IO_fread) |
ca34d7a7 UD |
48 | |
49 | #ifdef weak_alias | |
96aa2d94 | 50 | weak_alias (_IO_fread, fread) |
66f8fa9b UD |
51 | |
52 | # ifndef _IO_MTSAFE_IO | |
53 | weak_alias (_IO_fread, fread_unlocked) | |
ffa8d2a0 | 54 | libc_hidden_ver (_IO_fread, fread_unlocked) |
66f8fa9b | 55 | # endif |
ca34d7a7 | 56 | #endif |