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glibc  2.9
fegetenv.c
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00001 /* Store current floating-point environment.
00002    Copyright (C) 1997,98,99,2000,01 Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #include <fenv.h>
00021 #include <fpu_control.h>
00022 
00023 int
00024 __fegetenv (fenv_t *envp)
00025 {
00026   unsigned long int temp;
00027   _FPU_GETCW (temp);
00028   envp->__cw = temp;
00029 
00030   /* Success.  */
00031   return 0;
00032 }
00033 
00034 #include <shlib-compat.h>
00035 #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
00036 strong_alias (__fegetenv, __old_fegetenv)
00037 compat_symbol (libm, __old_fegetenv, fegetenv, GLIBC_2_1);
00038 #endif
00039 
00040 versioned_symbol (libm, __fegetenv, fegetenv, GLIBC_2_2);