
1: /* Copyright (C) 1993, 1995, 1997, 1998, 1999, 2002, 2003 2: Free Software Foundation, Inc. 3: This file is part of the GNU C Library. 4: 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. 9: 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 12: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13: Lesser General Public License for more details. 14: 15: You should have received a copy of the GNU Lesser General Public 16: License along with the GNU C Library; if not, write to the Free 17: Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 18: 02111-1307 USA. 19: 20: As a special exception, if you link the code in this file with 21: files compiled with a GNU compiler to produce an executable, 22: that does not cause the resulting executable to be covered by 23: the GNU Lesser General Public License. This exception does not 24: however invalidate any other reasons why the executable file 25: might be covered by the GNU Lesser General Public License. 26: This exception applies to code released by its copyright holders 27: in files containing the exception. */ 28: 29: #include "libioP.h" 30: 31: _IO_size_t 32: _IO_fread (buf, size, count, fp) 33: void *buf; 34: _IO_size_t size; 35: _IO_size_t count; 36: _IO_FILE *fp; 37: { 38: _IO_size_t bytes_requested = size * count; 39: _IO_size_t bytes_read; 40: CHECK_FILE (fp, 0); 41: if (bytes_requested == 0) 42: return 0; 43: _IO_acquire_lock (fp); 44: bytes_read = INTUSE(_IO_sgetn) (fp, (char *) buf, bytes_requested); 45: _IO_release_lock (fp); 46: return bytes_requested == bytes_read ? count : bytes_read / size; 47: } 48: INTDEF(_IO_fread) 49: 50: #ifdef weak_alias 51: weak_alias (_IO_fread, fread) 52: 53: # ifndef _IO_MTSAFE_IO 54: weak_alias (_IO_fread, fread_unlocked) 55: libc_hidden_ver (_IO_fread, fread_unlocked) 56: # endif 57: #endif