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 exit(int); 45 extern __noreturn void abort(void); 46 extern int atexit(void (*)(void)); 47 48 extern char *getenv(const char *); 49 extern int putenv(const char *); 50 extern int setenv(const char *, const char *, int); 51 extern int unsetenv(const char *); 52 extern int clearenv(void); 53 54 extern char *mkdtemp(char *); 55 extern char *mktemp(char *); 56 extern int mkstemp(char *); 57 58 extern long strtol(const char *, char **, int); 59 extern long long strtoll(const char *, char **, int); 60 extern unsigned long strtoul(const char *, char **, int); 61 extern unsigned long long strtoull(const char *, char **, int); 62 extern double strtod(const char *nptr, char **endptr); 63 64 extern int posix_memalign(void **memptr, size_t alignment, size_t size); 65 66 static __inline__ float strtof(const char *nptr, char **endptr) 67 { 68 return (float)strtod(nptr, endptr); 69 } 70 71 extern int atoi(const char *) __purefunc; 72 extern long atol(const char *) __purefunc; 73 extern long long atoll(const char *) __purefunc; 74 75 static __inline__ double atof(const char *nptr) 76 { 77 return (strtod(nptr, NULL)); 78 } 79 80 extern int abs(int) __pure2; 81 extern long labs(long) __pure2; 82 extern long long llabs(long long) __pure2; 83 84 extern char * realpath(const char *path, char *resolved); 85 extern int system(const char * string); 86 87 extern void * bsearch(const void *key, const void *base0, 88 size_t nmemb, size_t size, 89 int (*compar)(const void *, const void *)); 90 91 extern void qsort(void *, size_t, size_t, int (*)(const void *, const void *)); 92 93 extern long jrand48(unsigned short *); 94 extern long mrand48(void); 95 extern long nrand48(unsigned short *); 96 extern long lrand48(void); 97 extern unsigned short *seed48(unsigned short*); 98 extern double erand48(unsigned short xsubi[3]); 99 extern double drand48(void); 100 extern void srand48(long); 101 extern unsigned int arc4random(void); 102 extern void arc4random_stir(void); 103 extern void arc4random_addrandom(unsigned char *, int); 104 105 #define RAND_MAX 0x7fffffff 106 static __inline__ int rand(void) { 107 return (int)lrand48(); 108 } 109 static __inline__ void srand(unsigned int __s) { 110 srand48(__s); 111 } 112 static __inline__ long random(void) 113 { 114 return lrand48(); 115 } 116 static __inline__ void srandom(unsigned int __s) 117 { 118 srand48(__s); 119 } 120 121 /* Basic PTY functions. These only work if devpts is mounted! */ 122 123 extern int unlockpt(int); 124 extern char* ptsname(int); 125 extern int ptsname_r(int, char*, size_t); 126 extern int getpt(void); 127 128 static __inline__ int grantpt(int __fd __attribute((unused))) 129 { 130 (void)__fd; 131 return 0; /* devpts does this all for us! */ 132 } 133 134 typedef struct { 135 int quot; 136 int rem; 137 } div_t; 138 139 extern div_t div(int, int); 140 141 typedef struct { 142 long int quot; 143 long int rem; 144 } ldiv_t; 145 146 extern ldiv_t ldiv(long, long); 147 148 typedef struct { 149 long long int quot; 150 long long int rem; 151 } lldiv_t; 152 153 extern lldiv_t lldiv(long long, long long); 154 155 #if 1 /* MISSING FROM BIONIC - ENABLED FOR STLPort and libstdc++-v3 */ 156 /* make STLPort happy */ 157 extern int mblen(const char *, size_t); 158 extern size_t mbstowcs(wchar_t *, const char *, size_t); 159 extern int mbtowc(wchar_t *, const char *, size_t); 160 161 /* Likewise, make libstdc++-v3 happy. */ 162 extern int wctomb(char *, wchar_t); 163 extern size_t wcstombs(char *, const wchar_t *, size_t); 164 #endif /* MISSING */ 165 166 #define MB_CUR_MAX 1 167 168 #if 0 /* MISSING FROM BIONIC */ 169 extern int on_exit(void (*)(int, void *), void *); 170 #endif /* MISSING */ 171 172 __END_DECLS 173 174 #endif /* _STDLIB_H_ */ 175
