summaryrefslogtreecommitdiff
path: root/libio/iofread_u.c
diff options
context:
space:
mode:
Diffstat (limited to 'libio/iofread_u.c')
-rw-r--r--libio/iofread_u.c42
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;
+}