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David 'Digit' Turnerc817c522010-06-09 17:02:09 -07001/*
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/* wchar_t is required in stdlib.h according to POSIX.
34 * note that defining __need_wchar_t prevents stddef.h
35 * to define all other symbols it does normally */
36#define __need_wchar_t
37#include <stddef.h>
38
39#include <stddef.h>
40#include <string.h>
41#include <alloca.h>
42#include <strings.h>
43#include <memory.h>
44
45__BEGIN_DECLS
46
47#define EXIT_FAILURE 1
48#define EXIT_SUCCESS 0
49
50extern __noreturn void exit(int);
51extern __noreturn void abort(void);
52extern int atexit(void (*)(void));
David 'Digit' Turnerc817c522010-06-09 17:02:09 -070053
54extern char *getenv(const char *);
55extern int putenv(const char *);
56extern int setenv(const char *, const char *, int);
57extern int unsetenv(const char *);
David 'Digit' Turnerc817c522010-06-09 17:02:09 -070058
59extern char *mktemp (char *);
60extern int mkstemp (char *);
61
62extern long strtol(const char *, char **, int);
63extern long long strtoll(const char *, char **, int);
64extern unsigned long strtoul(const char *, char **, int);
65extern unsigned long long strtoull(const char *, char **, int);
66extern double strtod(const char *nptr, char **endptr);
67
68static __inline__ float strtof(const char *nptr, char **endptr)
69{
70 return (float)strtod(nptr, endptr);
71}
72
73extern int atoi(const char *);
74extern long atol(const char *);
75extern long long atoll(const char *);
76
77static __inline__ double atof(const char *nptr)
78{
79 return (strtod(nptr, NULL));
80}
81
82static __inline__ int abs(int __n) {
83 return (__n < 0) ? -__n : __n;
84}
85
86static __inline__ long labs(long __n) {
87 return (__n < 0L) ? -__n : __n;
88}
89
90static __inline__ long long llabs(long long __n) {
91 return (__n < 0LL) ? -__n : __n;
92}
93
94extern char * realpath(const char *path, char *resolved);
95extern int system(const char * string);
96
97extern void * bsearch(const void *key, const void *base0,
98 size_t nmemb, size_t size,
99 int (*compar)(const void *, const void *));
100
101extern void qsort(void *, size_t, size_t, int (*)(const void *, const void *));
102
103extern long jrand48(unsigned short *);
104extern long mrand48(void);
105extern long nrand48(unsigned short *);
106extern long lrand48(void);
107extern unsigned short *seed48(unsigned short*);
David 'Digit' Turner7c2ba502010-10-08 17:07:39 +0200108extern double erand48(unsigned short xsubi[3]);
109extern double drand48(void);
David 'Digit' Turnerc817c522010-06-09 17:02:09 -0700110extern void srand48(long);
111extern unsigned int arc4random(void);
112extern void arc4random_stir(void);
113extern void arc4random_addrandom(unsigned char *, int);
114
115#define RAND_MAX 0x7fffffff
116static __inline__ int rand(void) {
117 return (int)lrand48();
118}
119static __inline__ void srand(unsigned int __s) {
120 srand48(__s);
121}
122static __inline__ long random(void)
123{
124 return lrand48();
125}
126static __inline__ void srandom(unsigned int __s)
127{
128 srand48(__s);
129}
130
131/* Basic PTY functions. These only work if devpts is mounted! */
132
133extern int unlockpt(int);
134extern char* ptsname(int);
135extern char* ptsname_r(int, char*, size_t);
136extern int getpt(void);
137
138static __inline__ int grantpt(int __fd)
139{
140 (void)__fd;
141 return 0; /* devpts does this all for us! */
142}
143
144typedef struct {
145 int quot;
146 int rem;
147} div_t;
148
149extern div_t div(int, int);
150
151typedef struct {
152 long int quot;
153 long int rem;
154} ldiv_t;
155
156extern ldiv_t ldiv(long, long);
157
158typedef struct {
159 long long int quot;
160 long long int rem;
161} lldiv_t;
162
163extern lldiv_t lldiv(long long, long long);
164
David 'Digit' Turner7c2ba502010-10-08 17:07:39 +0200165#if 1 /* MISSING FROM BIONIC - ENABLED FOR STLPort and libstdc++-v3 */
David 'Digit' Turnerc817c522010-06-09 17:02:09 -0700166/* make STLPort happy */
167extern int mblen(const char *, size_t);
168extern size_t mbstowcs(wchar_t *, const char *, size_t);
169extern int mbtowc(wchar_t *, const char *, size_t);
170
171/* Likewise, make libstdc++-v3 happy. */
172extern int wctomb(char *, wchar_t);
173extern size_t wcstombs(char *, const wchar_t *, size_t);
David 'Digit' Turner7c2ba502010-10-08 17:07:39 +0200174#endif /* MISSING */
175
David 'Digit' Turnerc817c522010-06-09 17:02:09 -0700176#define MB_CUR_MAX 1
177
David 'Digit' Turner7c2ba502010-10-08 17:07:39 +0200178#if 0 /* MISSING FROM BIONIC */
179extern int on_exit(void (*)(int, void *), void *);
180extern int clearenv(void);
181#endif /* MISSING */
182
David 'Digit' Turnerc817c522010-06-09 17:02:09 -0700183__END_DECLS
184
185#endif /* _STDLIB_H_ */