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