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 extern __noreturn void abort(void); 45 extern __noreturn void exit(int); 46 extern __noreturn void _Exit(int); 47 extern int atexit(void (*)(void)); 48 49 #if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L 50 int at_quick_exit(void (*)(void)); 51 void quick_exit(int) __noreturn; 52 #endif 53 54 extern char* getenv(const char*); 55 extern int putenv(char*); 56 extern int setenv(const char*, const char*, int); 57 extern int unsetenv(const char*); 58 extern int clearenv(void); 59 60 extern char* mkdtemp(char*); 61 extern char* mktemp(char*) __attribute__((deprecated("mktemp is unsafe, use mkstemp or tmpfile instead"))); 62 63 extern int mkostemp64(char*, int); 64 extern int mkostemp(char*, int); 65 extern int mkostemps64(char*, int, int); 66 extern int mkostemps(char*, int, int); 67 extern int mkstemp64(char*); 68 extern int mkstemp(char*); 69 extern int mkstemps64(char*, int); 70 extern int mkstemps(char*, int); 71 72 extern long strtol(const char *, char **, int); 73 extern long long strtoll(const char *, char **, int); 74 extern unsigned long strtoul(const char *, char **, int); 75 extern unsigned long long strtoull(const char *, char **, int); 76 77 extern int posix_memalign(void **memptr, size_t alignment, size_t size); 78 79 extern double atof(const char*) __INTRODUCED_IN(21); 80 81 extern double strtod(const char*, char**) __LIBC_ABI_PUBLIC__; 82 extern float strtof(const char*, char**) __LIBC_ABI_PUBLIC__ __INTRODUCED_IN(21); 83 extern long double strtold(const char*, char**) __LIBC_ABI_PUBLIC__; 84 85 extern long double strtold_l(const char *, char **, locale_t) __LIBC_ABI_PUBLIC__; 86 extern long long strtoll_l(const char *, char **, int, locale_t) __LIBC_ABI_PUBLIC__; 87 extern unsigned long long strtoull_l(const char *, char **, int, locale_t) __LIBC_ABI_PUBLIC__; 88 89 extern int atoi(const char*) __purefunc; 90 extern long atol(const char*) __purefunc; 91 extern long long atoll(const char*) __purefunc; 92 93 extern int abs(int) __pure2 __INTRODUCED_IN(21); 94 extern long labs(long) __pure2 __INTRODUCED_IN(21); 95 extern long long llabs(long long) __pure2 __INTRODUCED_IN(21); 96 97 extern char * realpath(const char *path, char *resolved); 98 extern int system(const char *string); 99 100 extern void * bsearch(const void *key, const void *base0, 101 size_t nmemb, size_t size, 102 int (*compar)(const void *, const void *)); 103 104 extern void qsort(void *, size_t, size_t, int (*)(const void *, const void *)); 105 106 uint32_t arc4random(void); 107 uint32_t arc4random_uniform(uint32_t); 108 void arc4random_buf(void*, size_t); 109 110 #define RAND_MAX 0x7fffffff 111 112 int rand(void) __INTRODUCED_IN(21); 113 int rand_r(unsigned int*); 114 void srand(unsigned int) __INTRODUCED_IN(21); 115 116 double drand48(void); 117 double erand48(unsigned short[3]); 118 long jrand48(unsigned short[3]); 119 void lcong48(unsigned short[7]); 120 long lrand48(void); 121 long mrand48(void); 122 long nrand48(unsigned short[3]); 123 unsigned short* seed48(unsigned short[3]); 124 void srand48(long); 125 126 char* initstate(unsigned int, char*, size_t); 127 long random(void) __INTRODUCED_IN(21); 128 char* setstate(char*); 129 void srandom(unsigned int) __INTRODUCED_IN(21); 130 131 int getpt(void); 132 int grantpt(int) __INTRODUCED_IN(21); 133 int posix_openpt(int); 134 char* ptsname(int); 135 int ptsname_r(int, char*, size_t); 136 int unlockpt(int); 137 138 typedef struct { 139 int quot; 140 int rem; 141 } div_t; 142 143 extern div_t div(int, int) __pure2; 144 145 typedef struct { 146 long int quot; 147 long int rem; 148 } ldiv_t; 149 150 extern ldiv_t ldiv(long, long) __pure2; 151 152 typedef struct { 153 long long int quot; 154 long long int rem; 155 } lldiv_t; 156 157 extern lldiv_t lldiv(long long, long long) __pure2; 158 159 /* BSD compatibility. */ 160 extern const char* getprogname(void); 161 extern void setprogname(const char*); 162 163 /* make STLPort happy */ 164 extern int mblen(const char *, size_t); 165 extern size_t mbstowcs(wchar_t *, const char *, size_t); 166 extern int mbtowc(wchar_t *, const char *, size_t); 167 168 /* Likewise, make libstdc++-v3 happy. */ 169 extern int wctomb(char *, wchar_t); 170 extern size_t wcstombs(char *, const wchar_t *, size_t); 171 172 extern size_t __ctype_get_mb_cur_max(void); 173 #define MB_CUR_MAX __ctype_get_mb_cur_max() 174 175 #if __ANDROID_API__ < 21 176 #include <android/legacy_stdlib_inlines.h> 177 #endif 178 179 #if defined(__BIONIC_FORTIFY) 180 181 extern char* __realpath_real(const char*, char*) __RENAME(realpath); 182 __errordecl(__realpath_size_error, "realpath output parameter must be NULL or a >= PATH_MAX bytes buffer"); 183 184 #if !defined(__clang__) 185 __BIONIC_FORTIFY_INLINE 186 char* realpath(const char* path, char* resolved) { 187 size_t bos = __bos(resolved); 188 189 /* PATH_MAX is unavailable without polluting the namespace, but it's always 4096 on Linux */ 190 if (bos != __BIONIC_FORTIFY_UNKNOWN_SIZE && bos < 4096) { 191 __realpath_size_error(); 192 } 193 194 return __realpath_real(path, resolved); 195 } 196 #endif 197 198 #endif /* defined(__BIONIC_FORTIFY) */ 199 200 __END_DECLS 201 202 #endif /* _STDLIB_H */ 203
