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 #include <sys/cdefs.h> 22 23 #include <stddef.h> // For size_t. 24 25 // TODO: libandroid_support uses this file, so we need to wait for 26 // <sys/random.h> to be in the NDK headers before we can lose this declaration. 27 //#include <sys/random.h> // For getentropy. 28 int getentropy(void*, size_t); 29 30 #define __BEGIN_HIDDEN_DECLS _Pragma("GCC visibility push(hidden)") 31 #define __END_HIDDEN_DECLS _Pragma("GCC visibility pop") 32 33 extern const char* __progname; 34 35 /* Redirect internal C library calls to the public function. */ 36 #define _err err 37 #define _errx errx 38 #define _verr verr 39 #define _verrx verrx 40 #define _vwarn vwarn 41 #define _vwarnx vwarnx 42 #define _warn warn 43 #define _warnx warnx 44 45 /* Ignore all DEF_STRONG/DEF_WEAK in OpenBSD. */ 46 #define DEF_STRONG(sym) 47 #define DEF_WEAK(sym) 48 #define __weak_alias __strong_alias 49 50 /* Ignore all __warn_references in OpenBSD. */ 51 #define __warn_references(sym,msg) 52 53 /* OpenBSD's <ctype.h> uses these names, which conflicted with stlport. 54 * Additionally, we changed the numeric/digit type from N to D for libcxx. 55 */ 56 #define _U _CTYPE_U 57 #define _L _CTYPE_L 58 #define _N _CTYPE_D 59 #define _S _CTYPE_S 60 #define _P _CTYPE_P 61 #define _C _CTYPE_C 62 #define _X _CTYPE_X 63 #define _B _CTYPE_B 64 65 /* OpenBSD has this, but we can't really implement it correctly on Linux. */ 66 #define issetugid() 0 67 68 #define explicit_bzero(p, s) memset(p, 0, s) 69 70 /* OpenBSD has these in <sys/param.h>, but "ALIGN" isn't something we want to reserve. */ 71 #define ALIGNBYTES (sizeof(uintptr_t) - 1) 72 #define ALIGN(p) (((uintptr_t)(p) + ALIGNBYTES) &~ ALIGNBYTES) 73 74 /* OpenBSD has this in paths.h. But this directory doesn't normally exist. 75 * Even when it does exist, only the 'shell' user has permissions. 76 */ 77 #define _PATH_TMP "/data/local/tmp/" 78 79 /* Use appropriate shell depending on process's executable. */ 80 __LIBC_HIDDEN__ extern const char* __bionic_get_shell_path(); 81 #define _PATH_BSHELL __bionic_get_shell_path() 82 83 /* OpenBSD has this as API, but we just use it internally. */ 84 __LIBC_HIDDEN__ void* reallocarray(void*, size_t, size_t); 85 86 /* LP32 NDK ctype.h contained references to these. */ 87 __LIBC32_LEGACY_PUBLIC__ extern const short* _tolower_tab_; 88 __LIBC32_LEGACY_PUBLIC__ extern const short* _toupper_tab_; 89 90 __LIBC_HIDDEN__ extern const char _C_ctype_[]; 91 __LIBC_HIDDEN__ extern const short _C_toupper_[]; 92 __LIBC_HIDDEN__ extern const short _C_tolower_[]; 93 __LIBC_HIDDEN__ extern char* __findenv(const char*, int, int*); 94 __LIBC_HIDDEN__ extern char* _mktemp(char*); 95 96 #endif 97
