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      1 /*
      2  * Copyright (C) 2014 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_OPENBSD_COMPAT_H_included
     18 #define _BIONIC_OPENBSD_COMPAT_H_included
     19 
     20 #include <sys/cdefs.h>
     21 #include <stddef.h> // For size_t.
     22 
     23 #define __USE_BSD
     24 
     25 /* OpenBSD's <ctype.h> uses these names, which conflicted with stlport.
     26  * Additionally, we changed the numeric/digit type from N to D for libcxx.
     27  */
     28 #define _U _CTYPE_U
     29 #define _L _CTYPE_L
     30 #define _N _CTYPE_D
     31 #define _S _CTYPE_S
     32 #define _P _CTYPE_P
     33 #define _C _CTYPE_C
     34 #define _X _CTYPE_X
     35 #define _B _CTYPE_B
     36 
     37 /* OpenBSD has this, but we can't really implement it correctly on Linux. */
     38 #define issetugid() 0
     39 
     40 #define explicit_bzero(p, s) memset(p, 0, s)
     41 
     42 /* We have OpenBSD's getentropy_linux.c, but we don't mention getentropy in any header. */
     43 __LIBC_HIDDEN__ extern int getentropy(void*, size_t);
     44 
     45 /* LP32 NDK ctype.h contained references to these. */
     46 __LIBC64_HIDDEN__ extern const short* _tolower_tab_;
     47 __LIBC64_HIDDEN__ extern const short* _toupper_tab_;
     48 
     49 __LIBC_HIDDEN__ extern struct atexit* __atexit;
     50 __LIBC_HIDDEN__ extern const char _C_ctype_[];
     51 __LIBC_HIDDEN__ extern const short _C_toupper_[];
     52 __LIBC_HIDDEN__ extern const short _C_tolower_[];
     53 __LIBC_HIDDEN__ extern char* __findenv(const char*, int, int*);
     54 __LIBC_HIDDEN__ extern char* _mktemp(char*);
     55 
     56 /* TODO: hide this when android_support.a is fixed (http://b/16298580).*/
     57 /*__LIBC_HIDDEN__*/ extern int __isthreaded;
     58 
     59 #endif
     60