diff options
Diffstat (limited to 'libio/iofread.c')
-rw-r--r-- | libio/iofread.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/libio/iofread.c b/libio/iofread.c new file mode 100644 index 00000000000..8516cf30c14 --- /dev/null +++ b/libio/iofread.c @@ -0,0 +1,38 @@ +/* +Copyright (C) 1993 Free Software Foundation + +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 +DEFUN(_IO_fread, (buf, size, count, fp), + void *buf AND _IO_size_t size AND _IO_size_t count AND _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; +} |