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-rw-r--r--libio/iofwrite_u.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/libio/iofwrite_u.c b/libio/iofwrite_u.c
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+/* Copyright (C) 1993, 1996, 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
+fwrite_unlocked (buf, size, count, fp)
+     const void *buf;
+     _IO_size_t size;
+     _IO_size_t count;
+     _IO_FILE *fp;
+{
+  _IO_size_t request = size * count;
+  _IO_size_t written;
+  CHECK_FILE (fp, 0);
+  /* Many traditional implementations return 0 if size==0 && count > 0,
+     but ANSI requires us to return count in this case. */
+  if (request == 0)
+    return count;
+  written = _IO_sputn (fp, (const char *) buf, request);
+  if (written == request)
+    return count;
+  else
+    return written / size;
+}