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