diff options
Diffstat (limited to 'libio/iofwrite_u.c')
-rw-r--r-- | libio/iofwrite_u.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/libio/iofwrite_u.c b/libio/iofwrite_u.c new file mode 100644 index 0000000..7d1d24b --- /dev/null +++ b/libio/iofwrite_u.c @@ -0,0 +1,47 @@ +/* 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; +} |