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 <alloca.h> 33 #include <bits/wait.h> 34 #include <malloc.h> 35 #include <stddef.h> 36 #include <sys/cdefs.h> 37 #include <xlocale.h> 38 39 __BEGIN_DECLS 40 41 #define EXIT_FAILURE 1 42 #define EXIT_SUCCESS 0 43 44 __noreturn void abort(void) __attribute__((__nomerge__)); 45 __noreturn void exit(int __status); 46 __noreturn void _Exit(int __status) __INTRODUCED_IN(21); 47 48 int atexit(void (* _Nonnull __fn)(void)); 49 50 int at_quick_exit(void (* _Nonnull __fn)(void)) __INTRODUCED_IN(21); 51 void quick_exit(int __status) __noreturn __INTRODUCED_IN(21); 52 53 char* _Nullable getenv(const char* _Nonnull __name); 54 int putenv(char* _Nonnull __assignment); 55 int setenv(const char* _Nonnull __name, const char* _Nonnull __value, int __overwrite); 56 int unsetenv(const char* _Nonnull __name); 57 int clearenv(void); 58 59 char* _Nullable mkdtemp(char* _Nonnull __template); 60 char* _Nullable mktemp(char* _Nonnull __template) __attribute__((deprecated("mktemp is unsafe, use mkstemp or tmpfile instead"))); 61 62 int mkostemp64(char* _Nonnull __template, int __flags) __INTRODUCED_IN(23); 63 int mkostemp(char* _Nonnull __template, int __flags) __INTRODUCED_IN(23); 64 int mkostemps64(char* _Nonnull __template, int __suffix_length, int __flags) __INTRODUCED_IN(23); 65 int mkostemps(char* _Nonnull __template, int __suffix_length, int __flags) __INTRODUCED_IN(23); 66 int mkstemp64(char* _Nonnull __template) __INTRODUCED_IN(21); 67 int mkstemp(char* _Nonnull __template); 68 int mkstemps64(char* _Nonnull __template, int __flags) __INTRODUCED_IN(23); 69 int mkstemps(char* _Nonnull __template, int __flags); 70 71 long strtol(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base); 72 long long strtoll(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base); 73 unsigned long strtoul(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base); 74 unsigned long long strtoull(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base); 75 76 int posix_memalign(void* _Nullable * _Nullable __memptr, size_t __alignment, size_t __size) __INTRODUCED_IN(17); 77 78 void* _Nullable aligned_alloc(size_t __alignment, size_t __size) __INTRODUCED_IN(28); 79 80 double strtod(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr); 81 long double strtold(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr) __RENAME_LDBL(strtod, 3, 21); 82 83 unsigned long strtoul_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base, locale_t _Nonnull __l) __INTRODUCED_IN(26); 84 85 int atoi(const char* _Nonnull __s) __attribute_pure__; 86 long atol(const char* _Nonnull __s) __attribute_pure__; 87 long long atoll(const char* _Nonnull __s) __attribute_pure__; 88 89 __wur char* _Nullable realpath(const char* _Nonnull __path, char* _Nullable __resolved); 90 int system(const char* _Nonnull __command); 91 92 void* _Nullable bsearch(const void* _Nonnull __key, const void* _Nullable __base, size_t __nmemb, size_t __size, int (* _Nonnull __comparator)(const void* _Nonnull __lhs, const void* _Nonnull __rhs)); 93 94 void qsort(void* _Nullable __base, size_t __nmemb, size_t __size, int (* _Nonnull __comparator)(const void* _Nullable __lhs, const void* _Nullable __rhs)); 95 96 uint32_t arc4random(void); 97 uint32_t arc4random_uniform(uint32_t __upper_bound); 98 void arc4random_buf(void* _Nonnull __buf, size_t __n); 99 100 #define RAND_MAX 0x7fffffff 101 102 int rand_r(unsigned int* _Nonnull __seed_ptr) __INTRODUCED_IN(21); 103 104 double drand48(void); 105 double erand48(unsigned short __xsubi[_Nonnull 3]); 106 long jrand48(unsigned short __xsubi[_Nonnull 3]); 107 void lcong48(unsigned short __param[_Nonnull 7]) __INTRODUCED_IN(23); 108 long lrand48(void); 109 long mrand48(void); 110 long nrand48(unsigned short __xsubi[_Nonnull 3]); 111 unsigned short* _Nonnull seed48(unsigned short __seed16v[_Nonnull 3]); 112 void srand48(long __seed); 113 114 char* _Nullable initstate(unsigned int __seed, char* _Nonnull __state, size_t __n) __INTRODUCED_IN(21); 115 char* _Nullable setstate(char* _Nonnull __state) __INTRODUCED_IN(21); 116 117 int getpt(void); 118 int posix_openpt(int __flags) __INTRODUCED_IN(21); 119 char* _Nullable ptsname(int __fd); 120 int ptsname_r(int __fd, char* _Nonnull __buf, size_t __n); 121 int unlockpt(int __fd); 122 123 int getsubopt(char* _Nonnull * _Nonnull __option, char* _Nonnull const* _Nonnull __tokens, char* _Nullable * _Nonnull __value_ptr) __INTRODUCED_IN(26); 124 125 typedef struct { 126 int quot; 127 int rem; 128 } div_t; 129 130 div_t div(int __numerator, int __denominator) __attribute_const__; 131 132 typedef struct { 133 long int quot; 134 long int rem; 135 } ldiv_t; 136 137 ldiv_t ldiv(long __numerator, long __denominator) __attribute_const__; 138 139 typedef struct { 140 long long int quot; 141 long long int rem; 142 } lldiv_t; 143 144 lldiv_t lldiv(long long __numerator, long long __denominator) __attribute_const__; 145 146 /** 147 * [getloadavg(3)](http://man7.org/linux/man-pages/man3/getloadavg.3.html) queries the 148 * number of runnable processes averaged over time. The Linux kernel supports averages 149 * over the last 1, 5, and 15 minutes. 150 * 151 * Returns the number of samples written to `__averages` (at most 3), and returns -1 on failure. 152 */ 153 int getloadavg(double __averages[_Nonnull], int __n) __INTRODUCED_IN(29); 154 155 /* BSD compatibility. */ 156 const char* _Nullable getprogname(void) __INTRODUCED_IN(21); 157 void setprogname(const char* _Nonnull __name) __INTRODUCED_IN(21); 158 159 int mblen(const char* _Nullable __s, size_t __n) __INTRODUCED_IN_NO_GUARD_FOR_NDK(26); 160 size_t mbstowcs(wchar_t* _Nullable __dst, const char* _Nullable __src, size_t __n) __INTRODUCED_IN_NO_GUARD_FOR_NDK(21); 161 int mbtowc(wchar_t* _Nullable __wc_ptr, const char* _Nullable __s, size_t __n) __INTRODUCED_IN_NO_GUARD_FOR_NDK(21); 162 int wctomb(char* _Nullable __dst, wchar_t __wc) __INTRODUCED_IN_NO_GUARD_FOR_NDK(21); 163 164 size_t wcstombs(char* _Nullable __dst, const wchar_t* _Nullable __src, size_t __n) __INTRODUCED_IN_NO_GUARD_FOR_NDK(21); 165 166 size_t __ctype_get_mb_cur_max(void) __INTRODUCED_IN(21); 167 #define MB_CUR_MAX __ctype_get_mb_cur_max() 168 169 #if defined(__BIONIC_INCLUDE_FORTIFY_HEADERS) 170 #include <bits/fortify/stdlib.h> 171 #endif 172 173 int abs(int __x) __attribute_const__ __INTRODUCED_IN(19); 174 long labs(long __x) __attribute_const__ __INTRODUCED_IN(19); 175 long long llabs(long long __x) __attribute_const__ __INTRODUCED_IN(19); 176 177 float strtof(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr) __INTRODUCED_IN(21); 178 double atof(const char* _Nonnull __s) __attribute_pure__ __INTRODUCED_IN(21); 179 int rand(void) __INTRODUCED_IN(21); 180 void srand(unsigned int __seed) __INTRODUCED_IN(21); 181 long random(void) __INTRODUCED_IN(21); 182 void srandom(unsigned int __seed) __INTRODUCED_IN(21); 183 int grantpt(int __fd) __INTRODUCED_IN(21); 184 185 long long strtoll_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base, locale_t _Nonnull __l) __INTRODUCED_IN(21); 186 unsigned long long strtoull_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base, locale_t _Nonnull __l) __INTRODUCED_IN(21); 187 long double strtold_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, locale_t _Nonnull __l) __INTRODUCED_IN(21); 188 189 #if __ANDROID_API__ >= 26 190 double strtod_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, locale_t _Nonnull __l) __INTRODUCED_IN(26); 191 float strtof_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, locale_t _Nonnull __l) __INTRODUCED_IN(26); 192 long strtol_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int, locale_t _Nonnull __l) __INTRODUCED_IN(26); 193 #else 194 // Implemented as static inlines before 26. 195 #endif 196 197 __END_DECLS 198 199 #include <android/legacy_stdlib_inlines.h> 200 201 #endif /* _STDLIB_H */ 202