1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _STDLIB_H 30 #define _STDLIB_H 31 32 #include <sys/cdefs.h> 33 #include <xlocale.h> 34 35 #include <alloca.h> 36 #include <malloc.h> 37 #include <stddef.h> 38 39 __BEGIN_DECLS 40 41 #define EXIT_FAILURE 1 42 #define EXIT_SUCCESS 0 43 44 __noreturn void abort(void); 45 __noreturn void exit(int); 46 __noreturn void _Exit(int) __INTRODUCED_IN(21); 47 int atexit(void (*)(void)); 48 49 int at_quick_exit(void (*)(void)) __INTRODUCED_IN(21); 50 void quick_exit(int) __noreturn __INTRODUCED_IN(21); 51 52 char* getenv(const char*); 53 int putenv(char*); 54 int setenv(const char*, const char*, int); 55 int unsetenv(const char*); 56 int clearenv(void); 57 58 char* mkdtemp(char*); 59 char* mktemp(char*) __attribute__((deprecated("mktemp is unsafe, use mkstemp or tmpfile instead"))); 60 61 int mkostemp64(char*, int) __INTRODUCED_IN(23); 62 int mkostemp(char*, int) __INTRODUCED_IN(23); 63 int mkostemps64(char*, int, int) __INTRODUCED_IN(23); 64 int mkostemps(char*, int, int) __INTRODUCED_IN(23); 65 int mkstemp64(char*) __INTRODUCED_IN(21); 66 int mkstemp(char*); 67 int mkstemps64(char*, int) __INTRODUCED_IN(23); 68 int mkstemps(char*, int); 69 70 long strtol(const char *, char **, int); 71 long long strtoll(const char *, char **, int); 72 unsigned long strtoul(const char *, char **, int); 73 unsigned long long strtoull(const char *, char **, int); 74 75 int posix_memalign(void** memptr, size_t alignment, size_t size) __INTRODUCED_IN(16); 76 77 double strtod(const char*, char**); 78 long double strtold(const char*, char**) __INTRODUCED_IN(21); 79 80 unsigned long strtoul_l(const char*, char**, int, locale_t) __INTRODUCED_IN(26); 81 82 int atoi(const char*) __attribute_pure__; 83 long atol(const char*) __attribute_pure__; 84 long long atoll(const char*) __attribute_pure__; 85 86 char * realpath(const char *path, char *resolved) __overloadable 87 __RENAME_CLANG(realpath); 88 int system(const char *string); 89 90 void* bsearch(const void* key, const void* base0, size_t nmemb, size_t size, 91 int (*compar)(const void*, const void*)); 92 93 void qsort(void*, size_t, size_t, int (*)(const void*, const void*)); 94 95 uint32_t arc4random(void); 96 uint32_t arc4random_uniform(uint32_t); 97 void arc4random_buf(void*, size_t); 98 99 #define RAND_MAX 0x7fffffff 100 101 int rand_r(unsigned int*) __INTRODUCED_IN(21); 102 103 double drand48(void); 104 double erand48(unsigned short[3]); 105 long jrand48(unsigned short[3]); 106 void lcong48(unsigned short[7]) __INTRODUCED_IN(23); 107 long lrand48(void); 108 long mrand48(void); 109 long nrand48(unsigned short[3]); 110 unsigned short* seed48(unsigned short[3]); 111 void srand48(long); 112 113 char* initstate(unsigned int, char*, size_t) __INTRODUCED_IN(21); 114 char* setstate(char*) __INTRODUCED_IN(21); 115 116 int getpt(void); 117 int posix_openpt(int) __INTRODUCED_IN(21); 118 char* ptsname(int); 119 int ptsname_r(int, char*, size_t); 120 int unlockpt(int); 121 122 int getsubopt(char**, char* const*, char**) __INTRODUCED_IN(26); 123 124 typedef struct { 125 int quot; 126 int rem; 127 } div_t; 128 129 div_t div(int, int) __attribute_const__; 130 131 typedef struct { 132 long int quot; 133 long int rem; 134 } ldiv_t; 135 136 ldiv_t ldiv(long, long) __attribute_const__; 137 138 typedef struct { 139 long long int quot; 140 long long int rem; 141 } lldiv_t; 142 143 lldiv_t lldiv(long long, long long) __attribute_const__; 144 145 /* BSD compatibility. */ 146 const char* getprogname(void) __INTRODUCED_IN(21); 147 void setprogname(const char*) __INTRODUCED_IN(21); 148 149 int mblen(const char*, size_t) __INTRODUCED_IN(26) __VERSIONER_NO_GUARD; 150 size_t mbstowcs(wchar_t*, const char*, size_t); 151 int mbtowc(wchar_t*, const char*, size_t) __INTRODUCED_IN(21) __VERSIONER_NO_GUARD; 152 int wctomb(char*, wchar_t) __INTRODUCED_IN(21) __VERSIONER_NO_GUARD; 153 154 size_t wcstombs(char*, const wchar_t*, size_t); 155 156 #if __ANDROID_API__ >= __ANDROID_API_L__ 157 size_t __ctype_get_mb_cur_max(void) __INTRODUCED_IN(21); 158 #define MB_CUR_MAX __ctype_get_mb_cur_max() 159 #else 160 /* 161 * Pre-L we didn't have any locale support and so we were always the POSIX 162 * locale. POSIX specifies that MB_CUR_MAX for the POSIX locale is 1: 163 * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/stdlib.h.html 164 */ 165 #define MB_CUR_MAX 1 166 #endif 167 168 #if defined(__BIONIC_FORTIFY) 169 #define __realpath_buf_too_small_str \ 170 "realpath output parameter must be NULL or a >= PATH_MAX bytes buffer" 171 172 /* PATH_MAX is unavailable without polluting the namespace, but it's always 4096 on Linux */ 173 #define __PATH_MAX 4096 174 175 #if defined(__clang__) 176 177 __BIONIC_ERROR_FUNCTION_VISIBILITY 178 char* realpath(const char* path, char* resolved) __overloadable 179 __enable_if(__bos(resolved) != __BIONIC_FORTIFY_UNKNOWN_SIZE && 180 __bos(resolved) < __PATH_MAX, __realpath_buf_too_small_str) 181 __errorattr(__realpath_buf_too_small_str); 182 183 /* No need for a FORTIFY version; the only things we can catch are at 184 * compile-time. 185 */ 186 187 #else /* defined(__clang__) */ 188 189 char* __realpath_real(const char*, char*) __RENAME(realpath); 190 __errordecl(__realpath_size_error, __realpath_buf_too_small_str); 191 192 __BIONIC_FORTIFY_INLINE 193 char* realpath(const char* path, char* resolved) { 194 size_t bos = __bos(resolved); 195 196 if (bos != __BIONIC_FORTIFY_UNKNOWN_SIZE && bos < __PATH_MAX) { 197 __realpath_size_error(); 198 } 199 200 return __realpath_real(path, resolved); 201 } 202 203 #endif /* defined(__clang__) */ 204 205 #undef __PATH_MAX 206 #undef __realpath_buf_too_small_str 207 #endif /* defined(__BIONIC_FORTIFY) */ 208 209 #if __ANDROID_API__ >= __ANDROID_API_L__ 210 float strtof(const char*, char**) __INTRODUCED_IN(21); 211 double atof(const char*) __attribute_pure__ __INTRODUCED_IN(21); 212 int abs(int) __attribute_const__ __INTRODUCED_IN(21); 213 long labs(long) __attribute_const__ __INTRODUCED_IN(21); 214 long long llabs(long long) __attribute_const__ __INTRODUCED_IN(21); 215 int rand(void) __INTRODUCED_IN(21); 216 void srand(unsigned int) __INTRODUCED_IN(21); 217 long random(void) __INTRODUCED_IN(21); 218 void srandom(unsigned int) __INTRODUCED_IN(21); 219 int grantpt(int) __INTRODUCED_IN(21); 220 221 long long strtoll_l(const char*, char**, int, locale_t) __INTRODUCED_IN(21); 222 unsigned long long strtoull_l(const char*, char**, int, locale_t) __INTRODUCED_IN(21); 223 long double strtold_l(const char*, char**, locale_t) __INTRODUCED_IN(21); 224 #else 225 // Implemented as static inlines before 21. 226 #endif 227 228 #if __ANDROID_API__ >= __ANDROID_API_FUTURE__ 229 double strtod_l(const char*, char**, locale_t) __INTRODUCED_IN(26); 230 float strtof_l(const char*, char**, locale_t) __INTRODUCED_IN(26); 231 long strtol_l(const char*, char**, int, locale_t) __INTRODUCED_IN(26); 232 #else 233 // Implemented as static inlines. 234 #endif 235 236 __END_DECLS 237 238 #include <android/legacy_stdlib_inlines.h> 239 240 #endif /* _STDLIB_H */ 241
