Fix hypot handling of subnormals (bug 16316, bug 16330).
[glibc.git] / stdio-common / isoc99_fscanf.c
blob9d6ea7c1105f2949b7059ba79d40061a32c0fbfa
1 /* Copyright (C) 1991-2013 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
18 #include <libioP.h>
19 #include <stdarg.h>
20 #include <stdio.h>
22 /* Read formatted input from STREAM according to the format string FORMAT. */
23 /* VARARGS2 */
24 int
25 __isoc99_fscanf (FILE *stream, const char *format, ...)
27 va_list arg;
28 int done;
30 _IO_acquire_lock_clear_flags2 (stream);
31 stream->_flags2 |= _IO_FLAGS2_SCANF_STD;
33 va_start (arg, format);
34 done = _IO_vfscanf (stream, format, arg, NULL);
35 va_end (arg);
37 _IO_release_lock (stream);
38 return done;