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      1 /*
      2  * Copyright (C) 2013 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef _BIONIC_LIBM_FREEBSD_COMPAT_H_included
     18 #define _BIONIC_LIBM_FREEBSD_COMPAT_H_included
     19 
     20 #include <float.h>
     21 
     22 #define __weak_reference(sym,alias)     \
     23     __asm__(".weak " #alias);           \
     24     __asm__(".equ "  #alias ", " #sym)
     25 
     26 #define __strong_reference(sym,aliassym) \
     27     extern __typeof (sym) aliassym __attribute__ ((__alias__ (#sym)))
     28 
     29 #define __warn_references(sym,msg) /* ignored */
     30 
     31 // digittoint is in BSD's <ctype.h>, but not ours, so we have a secret
     32 // implementation in libm. We reuse parts of libm in the NDK's
     33 // libandroid_support, where it's a static library, so we want all our
     34 // "hidden" functions start with a double underscore --- being HIDDEN
     35 // in the ELF sense is not sufficient.
     36 #define digittoint __libm_digittoint
     37 int digittoint(char ch);
     38 
     39 // Similarly rename _scan_nan.
     40 #define _scan_nan __libm_scan_nan
     41 
     42 #endif
     43