(linenum→info "unix/slp.c:2238")

glibc/2.7/libio/iofread.c

    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
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