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      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*) __NDK_FPABI__;
     73 
     74 extern double strtod(const char*, char**) __LIBC_ABI_PUBLIC__ __NDK_FPABI__;
     75 extern float strtof(const char*, char**) __LIBC_ABI_PUBLIC__ __NDK_FPABI__;
     76 extern long double strtold(const char*, char**) __LIBC_ABI_PUBLIC__ __NDK_FPABI__;
     77 
     78 extern long double strtold_l(const char *, char **, locale_t) __LIBC_ABI_PUBLIC__ __NDK_FPABI__;
     79 extern long long strtoll_l(const char *, char **, int, locale_t) __LIBC_ABI_PUBLIC__;
     80 extern unsigned long long strtoull_l(const char *, char **, int, locale_t) __LIBC_ABI_PUBLIC__;
     81 
     82 extern int atoi(const char*) __purefunc;
     83 extern long atol(const char*) __purefunc;
     84 extern long long atoll(const char*) __purefunc;
     85 
     86 extern int abs(int) __pure2;
     87 extern long labs(long) __pure2;
     88 extern long long llabs(long long) __pure2;
     89 
     90 extern char * realpath(const char *path, char *resolved);
     91 extern int system(const char * string);
     92 
     93 extern void * bsearch(const void *key, const void *base0,
     94 	size_t nmemb, size_t size,
     95 	int (*compar)(const void *, const void *));
     96 
     97 extern void qsort(void *, size_t, size_t, int (*)(const void *, const void *));
     98 
     99 extern long jrand48(unsigned short *);
    100 extern long mrand48(void);
    101 extern long nrand48(unsigned short *);
    102 extern long lrand48(void);
    103 extern unsigned short *seed48(unsigned short*);
    104 extern double erand48(unsigned short xsubi[3]) __NDK_FPABI__;
    105 extern double drand48(void) __NDK_FPABI__;
    106 extern void srand48(long);
    107 
    108 unsigned int arc4random(void);
    109 unsigned int arc4random_uniform(unsigned int);
    110 void arc4random_buf(void*, size_t);
    111 
    112 #define RAND_MAX 0x7fffffff
    113 
    114 int rand(void);
    115 int rand_r(unsigned int*);
    116 void srand(unsigned int);
    117 
    118 char* initstate(unsigned int, char*, size_t);
    119 long random(void);
    120 char* setstate(char*);
    121 void srandom(unsigned int);
    122 
    123 int getpt(void);
    124 int grantpt(int);
    125 int posix_openpt(int);
    126 char* ptsname(int) __warnattr("ptsname is not thread-safe; use ptsname_r instead");
    127 int ptsname_r(int, char*, size_t);
    128 int unlockpt(int);
    129 
    130 typedef struct {
    131     int  quot;
    132     int  rem;
    133 } div_t;
    134 
    135 extern div_t   div(int, int) __pure2;
    136 
    137 typedef struct {
    138     long int  quot;
    139     long int  rem;
    140 } ldiv_t;
    141 
    142 extern ldiv_t   ldiv(long, long) __pure2;
    143 
    144 typedef struct {
    145     long long int  quot;
    146     long long int  rem;
    147 } lldiv_t;
    148 
    149 extern lldiv_t   lldiv(long long, long long) __pure2;
    150 
    151 /* BSD compatibility. */
    152 extern const char* getprogname(void);
    153 extern void setprogname(const char*);
    154 
    155 /* make STLPort happy */
    156 extern int      mblen(const char *, size_t);
    157 extern size_t   mbstowcs(wchar_t *, const char *, size_t);
    158 extern int      mbtowc(wchar_t *, const char *, size_t);
    159 
    160 /* Likewise, make libstdc++-v3 happy.  */
    161 extern int	wctomb(char *, wchar_t);
    162 extern size_t	wcstombs(char *, const wchar_t *, size_t);
    163 
    164 extern size_t __ctype_get_mb_cur_max(void);
    165 #define MB_CUR_MAX __ctype_get_mb_cur_max()
    166 
    167 __END_DECLS
    168 
    169 #endif /* _STDLIB_H_ */
    170