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 /* 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
50 extern __noreturn void exit(int);
51 extern __noreturn void abort(void);
52 extern int atexit(void (*)(void));
53
54 extern char *getenv(const char *);
55 extern int putenv(const 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 *);
62 extern int mkstemp (char *);
63
64 extern long strtol(const char *, char **, int);
65 extern long long strtoll(const char *, char **, int);
66 extern unsigned long strtoul(const char *, char **, int);
67 extern unsigned long long strtoull(const char *, char **, int);
68 extern double strtod(const char *nptr, char **endptr);
69
strtof(const char * nptr,char ** endptr)70 static __inline__ float strtof(const char *nptr, char **endptr)
71 {
72 return (float)strtod(nptr, endptr);
73 }
74
75 extern int atoi(const char *);
76 extern long atol(const char *);
77 extern long long atoll(const char *);
78
atof(const char * nptr)79 static __inline__ double atof(const char *nptr)
80 {
81 return (strtod(nptr, NULL));
82 }
83
abs(int __n)84 static __inline__ int abs(int __n) {
85 return (__n < 0) ? -__n : __n;
86 }
87
labs(long __n)88 static __inline__ long labs(long __n) {
89 return (__n < 0L) ? -__n : __n;
90 }
91
llabs(long long __n)92 static __inline__ long long llabs(long long __n) {
93 return (__n < 0LL) ? -__n : __n;
94 }
95
96 extern char * realpath(const char *path, char *resolved);
97 extern int system(const char * string);
98
99 extern void * bsearch(const void *key, const void *base0,
100 size_t nmemb, size_t size,
101 int (*compar)(const void *, const void *));
102
103 extern void qsort(void *, size_t, size_t, int (*)(const void *, const void *));
104
105 extern long jrand48(unsigned short *);
106 extern long mrand48(void);
107 extern long nrand48(unsigned short *);
108 extern long lrand48(void);
109 extern unsigned short *seed48(unsigned short*);
110 extern double erand48(unsigned short xsubi[3]);
111 extern double drand48(void);
112 extern void srand48(long);
113 extern unsigned int arc4random(void);
114 extern void arc4random_stir(void);
115 extern void arc4random_addrandom(unsigned char *, int);
116
117 #define RAND_MAX 0x7fffffff
rand(void)118 static __inline__ int rand(void) {
119 return (int)lrand48();
120 }
srand(unsigned int __s)121 static __inline__ void srand(unsigned int __s) {
122 srand48(__s);
123 }
random(void)124 static __inline__ long random(void)
125 {
126 return lrand48();
127 }
srandom(unsigned int __s)128 static __inline__ void srandom(unsigned int __s)
129 {
130 srand48(__s);
131 }
132
133 /* Basic PTY functions. These only work if devpts is mounted! */
134
135 extern int unlockpt(int);
136 extern char* ptsname(int);
137 extern int ptsname_r(int, char*, size_t);
138 extern int getpt(void);
139
grantpt(int __fd __attribute ((unused)))140 static __inline__ int grantpt(int __fd __attribute((unused)))
141 {
142 (void)__fd;
143 return 0; /* devpts does this all for us! */
144 }
145
146 typedef struct {
147 int quot;
148 int rem;
149 } div_t;
150
151 extern div_t div(int, int);
152
153 typedef struct {
154 long int quot;
155 long int rem;
156 } ldiv_t;
157
158 extern ldiv_t ldiv(long, long);
159
160 typedef struct {
161 long long int quot;
162 long long int rem;
163 } lldiv_t;
164
165 extern lldiv_t lldiv(long long, long long);
166
167 #if 1 /* MISSING FROM BIONIC - ENABLED FOR STLPort and libstdc++-v3 */
168 /* make STLPort happy */
169 extern int mblen(const char *, size_t);
170 extern size_t mbstowcs(wchar_t *, const char *, size_t);
171 extern int mbtowc(wchar_t *, const char *, size_t);
172
173 /* Likewise, make libstdc++-v3 happy. */
174 extern int wctomb(char *, wchar_t);
175 extern size_t wcstombs(char *, const wchar_t *, size_t);
176 #endif /* MISSING */
177
178 #define MB_CUR_MAX 1
179
180 #if 0 /* MISSING FROM BIONIC */
181 extern int on_exit(void (*)(int, void *), void *);
182 #endif /* MISSING */
183
184 __END_DECLS
185
186 #endif /* _STDLIB_H_ */
187