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 #define _BSD_SOURCE 21 22 #include <sys/cdefs.h> 23 #include <stddef.h> // For size_t. 24 25 /* Redirect internal C library calls to the public function. */ 26 #define _err err 27 #define _errx errx 28 #define _verr verr 29 #define _verrx verrx 30 #define _vwarn vwarn 31 #define _vwarnx vwarnx 32 #define _warn warn 33 #define _warnx warnx 34 35 /* Ignore all __weak_alias in OpenBSD. */ 36 #define __weak_alias(alias,sym) 37 38 /* Ignore all __warn_references in OpenBSD. */ 39 #define __warn_references(sym,msg) 40 41 /* OpenBSD's <ctype.h> uses these names, which conflicted with stlport. 42 * Additionally, we changed the numeric/digit type from N to D for libcxx. 43 */ 44 #define _U _CTYPE_U 45 #define _L _CTYPE_L 46 #define _N _CTYPE_D 47 #define _S _CTYPE_S 48 #define _P _CTYPE_P 49 #define _C _CTYPE_C 50 #define _X _CTYPE_X 51 #define _B _CTYPE_B 52 53 /* OpenBSD has this, but we can't really implement it correctly on Linux. */ 54 #define issetugid() 0 55 56 #define explicit_bzero(p, s) memset(p, 0, s) 57 58 /* OpenBSD has these in <sys/param.h>, but "ALIGN" isn't something we want to reserve. */ 59 #define ALIGNBYTES (sizeof(uintptr_t) - 1) 60 #define ALIGN(p) (((uintptr_t)(p) + ALIGNBYTES) &~ ALIGNBYTES) 61 62 /* OpenBSD has this in paths.h. But this directory doesn't normally exist. 63 * Even when it does exist, only the 'shell' user has permissions. 64 */ 65 #define _PATH_TMP "/data/local/tmp/" 66 67 /* We have OpenBSD's getentropy_linux.c, but we don't mention getentropy in any header. */ 68 __LIBC_HIDDEN__ extern int getentropy(void*, size_t); 69 70 /* OpenBSD has this as API, but we just use it internally. */ 71 __LIBC_HIDDEN__ void* reallocarray(void*, size_t, size_t); 72 73 /* LP32 NDK ctype.h contained references to these. */ 74 __LIBC64_HIDDEN__ extern const short* _tolower_tab_; 75 __LIBC64_HIDDEN__ extern const short* _toupper_tab_; 76 77 __LIBC_HIDDEN__ extern const char _C_ctype_[]; 78 __LIBC_HIDDEN__ extern const short _C_toupper_[]; 79 __LIBC_HIDDEN__ extern const short _C_tolower_[]; 80 __LIBC_HIDDEN__ extern char* __findenv(const char*, int, int*); 81 __LIBC_HIDDEN__ extern char* _mktemp(char*); 82 83 /* TODO: hide this when android_support.a is fixed (http://b/16298580).*/ 84 /*__LIBC_HIDDEN__*/ extern int __isthreaded; 85 86 #endif 87