diff options
Diffstat (limited to 'libio/iofread_u.c')
-rw-r--r-- | libio/iofread_u.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/libio/iofread_u.c b/libio/iofread_u.c new file mode 100644 index 0000000000..bd7ceaf379 --- /dev/null +++ b/libio/iofread_u.c @@ -0,0 +1,42 @@ +/* Copyright (C) 1993, 1995, 1997, 1998 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" + +_IO_size_t +fread_unlocked (buf, size, count, fp) + void *buf; + _IO_size_t size; + _IO_size_t count; + _IO_FILE *fp; +{ + _IO_size_t bytes_requested = size*count; + _IO_size_t bytes_read; + CHECK_FILE (fp, 0); + if (bytes_requested == 0) + return 0; + bytes_read = _IO_sgetn (fp, (char *) buf, bytes_requested); + return bytes_requested == bytes_read ? count : bytes_read / size; +} |