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glibc  2.9
fgetexcptflg.c
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00001 /* Store current representation for exceptions.
00002    Copyright (C) 1997,99,2000,01 Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
00004    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
00005 
00006    The GNU C Library is free software; you can redistribute it and/or
00007    modify it under the terms of the GNU Lesser General Public
00008    License as published by the Free Software Foundation; either
00009    version 2.1 of the License, or (at your option) any later version.
00010 
00011    The GNU C Library is distributed in the hope that it will be useful,
00012    but WITHOUT ANY WARRANTY; without even the implied warranty of
00013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014    Lesser General Public License for more details.
00015 
00016    You should have received a copy of the GNU Lesser General Public
00017    License along with the GNU C Library; if not, write to the Free
00018    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00019    02111-1307 USA.  */
00020 
00021 #include <fenv.h>
00022 #include <bp-sym.h>
00023 
00024 int
00025 __fegetexceptflag (fexcept_t *flagp, int excepts)
00026 {
00027   fexcept_t temp;
00028 
00029   /* Get the current exceptions.  */
00030   __asm__ ("fnstsw %0" : "=m" (*&temp));
00031 
00032   *flagp = temp & excepts & FE_ALL_EXCEPT;
00033 
00034   /* Success.  */
00035   return 0;
00036 }
00037 
00038 #include <shlib-compat.h>
00039 #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
00040 strong_alias (__fegetexceptflag, __old_fegetexceptflag)
00041 compat_symbol (libm, BP_SYM (__old_fegetexceptflag), BP_SYM (fegetexceptflag), GLIBC_2_1);
00042 #endif
00043 
00044 versioned_symbol (libm, BP_SYM (__fegetexceptflag), BP_SYM (fegetexceptflag), GLIBC_2_2);