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 #pragma once 18 19 #define _BSD_SOURCE 20 #include <sys/cdefs.h> 21 22 #include <unistd.h> // For environ. 23 24 #include <stddef.h> // For size_t. 25 26 #include <sys/random.h> // For getentropy. 27 28 #define __BEGIN_HIDDEN_DECLS _Pragma("GCC visibility push(hidden)") 29 #define __END_HIDDEN_DECLS _Pragma("GCC visibility pop") 30 31 extern const char* __progname; 32 33 /* Ignore all DEF_STRONG/DEF_WEAK in OpenBSD. */ 34 #define DEF_STRONG(sym) 35 #define DEF_WEAK(sym) 36 #define __weak_alias __strong_alias 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 /* Use appropriate shell depending on process's executable. */ 68 __LIBC_HIDDEN__ extern const char* __bionic_get_shell_path(); 69 #define _PATH_BSHELL __bionic_get_shell_path() 70 71 __LIBC_HIDDEN__ extern char* __findenv(const char*, int, int*); 72 __LIBC_HIDDEN__ extern char* _mktemp(char*); 73