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 #ifndef _STDLIB_H_ 29 #define _STDLIB_H_ 30 31 #include <sys/cdefs.h> 32 33 #include <stddef.h> 34 #include <string.h> 35 #include <alloca.h> 36 #include <strings.h> 37 #include <memory.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*) __warnattr("mktemp possibly used unsafely; consider using mkstemp"); 62 extern int mkstemp(char*); 63 extern int mkstemp64(char*); 64 65 extern long strtol(const char *, char **, int); 66 extern long long strtoll(const char *, char **, int); 67 extern unsigned long strtoul(const char *, char **, int); 68 extern unsigned long long strtoull(const char *, char **, int); 69 70 extern int posix_memalign(void **memptr, size_t alignment, size_t size); 71 72 extern double atof(const char*); 73 74 extern double strtod(const char*, char**) __LIBC_ABI_PUBLIC__; 75 extern float strtof(const char*, char**) __LIBC_ABI_PUBLIC__; 76 extern long double strtold(const char*, char**) __LIBC_ABI_PUBLIC__; 77 78 extern int atoi(const char*) __purefunc; 79 extern long atol(const char*) __purefunc; 80 extern long long atoll(const char*) __purefunc; 81 82 extern int abs(int) __pure2; 83 extern long labs(long) __pure2; 84 extern long long llabs(long long) __pure2; 85 86 extern char * realpath(const char *path, char *resolved); 87 extern int system(const char * string); 88 89 extern void * bsearch(const void *key, const void *base0, 90 size_t nmemb, size_t size, 91 int (*compar)(const void *, const void *)); 92 93 extern void qsort(void *, size_t, size_t, int (*)(const void *, const void *)); 94 95 extern long jrand48(unsigned short *); 96 extern long mrand48(void); 97 extern long nrand48(unsigned short *); 98 extern long lrand48(void); 99 extern unsigned short *seed48(unsigned short*); 100 extern double erand48(unsigned short xsubi[3]); 101 extern double drand48(void); 102 extern void srand48(long); 103 104 unsigned int arc4random(void); 105 unsigned int arc4random_uniform(unsigned int); 106 void arc4random_buf(void*, size_t); 107 108 #define RAND_MAX 0x7fffffff 109 110 /* Work around x86/x86-64 libvpx build breakage caused by postproc_x86.c. */ 111 #if (defined(__i386__) || defined(__x86_64__)) && defined(rand) 112 #undef rand 113 #define __rand lrand48 114 #endif 115 116 int rand(void); 117 int rand_r(unsigned int*); 118 void srand(unsigned int); 119 120 char* initstate(unsigned int, char*, size_t); 121 long random(void); 122 char* setstate(char*); 123 void srandom(unsigned int); 124 125 /* Basic PTY functions. These only work if devpts is mounted! */ 126 127 extern int unlockpt(int); 128 extern char* ptsname(int); 129 extern int ptsname_r(int, char*, size_t); 130 extern int getpt(void); 131 132 static __inline__ int grantpt(int __fd __attribute((unused))) 133 { 134 (void)__fd; 135 return 0; /* devpts does this all for us! */ 136 } 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 #define MB_CUR_MAX 4U 173 174 #if 0 /* MISSING FROM BIONIC */ 175 extern int on_exit(void (*)(int, void *), void *); 176 #endif /* MISSING */ 177 178 __END_DECLS 179 180 #endif /* _STDLIB_H_ */ 181
