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
69 extern int posix_memalign(void **memptr, size_t alignment, size_t size);
70
71 extern double strtod(const char *nptr, char **endptr) __NDK_FPABI__;
72
73 __NDK_FPABI__
strtof(const char * nptr,char ** endptr)74 static __inline__ float strtof(const char *nptr, char **endptr)
75 {
76 return (float)strtod(nptr, endptr);
77 }
78
79 extern int atoi(const char *);
80 extern long atol(const char *);
81 extern long long atoll(const char *);
82
83 __NDK_FPABI__
atof(const char * nptr)84 static __inline__ double atof(const char *nptr)
85 {
86 return (strtod(nptr, NULL));
87 }
88
abs(int __n)89 static __inline__ int abs(int __n) {
90 return (__n < 0) ? -__n : __n;
91 }
92
labs(long __n)93 static __inline__ long labs(long __n) {
94 return (__n < 0L) ? -__n : __n;
95 }
96
llabs(long long __n)97 static __inline__ long long llabs(long long __n) {
98 return (__n < 0LL) ? -__n : __n;
99 }
100
101 extern char * realpath(const char *path, char *resolved);
102 extern int system(const char * string);
103
104 extern void * bsearch(const void *key, const void *base0,
105 size_t nmemb, size_t size,
106 int (*compar)(const void *, const void *));
107
108 extern void qsort(void *, size_t, size_t, int (*)(const void *, const void *));
109
110 extern long jrand48(unsigned short *);
111 extern long mrand48(void);
112 extern long nrand48(unsigned short *);
113 extern long lrand48(void);
114 extern unsigned short *seed48(unsigned short*);
115 extern double erand48(unsigned short xsubi[3]) __NDK_FPABI__;
116 extern double drand48(void) __NDK_FPABI__;
117 extern void srand48(long);
118 extern unsigned int arc4random(void);
119 extern void arc4random_stir(void);
120 extern void arc4random_addrandom(unsigned char *, int);
121
122 #define RAND_MAX 0x7fffffff
rand(void)123 static __inline__ int rand(void) {
124 return (int)lrand48();
125 }
srand(unsigned int __s)126 static __inline__ void srand(unsigned int __s) {
127 srand48(__s);
128 }
random(void)129 static __inline__ long random(void)
130 {
131 return lrand48();
132 }
srandom(unsigned int __s)133 static __inline__ void srandom(unsigned int __s)
134 {
135 srand48(__s);
136 }
137
138 /* Basic PTY functions. These only work if devpts is mounted! */
139
140 extern int unlockpt(int);
141 extern char* ptsname(int);
142 extern int ptsname_r(int, char*, size_t);
143 extern int getpt(void);
144
grantpt(int __fd __attribute ((unused)))145 static __inline__ int grantpt(int __fd __attribute((unused)))
146 {
147 (void)__fd;
148 return 0; /* devpts does this all for us! */
149 }
150
151 typedef struct {
152 int quot;
153 int rem;
154 } div_t;
155
156 extern div_t div(int, int);
157
158 typedef struct {
159 long int quot;
160 long int rem;
161 } ldiv_t;
162
163 extern ldiv_t ldiv(long, long);
164
165 typedef struct {
166 long long int quot;
167 long long int rem;
168 } lldiv_t;
169
170 extern lldiv_t lldiv(long long, long long);
171
172 #if 1 /* MISSING FROM BIONIC - ENABLED FOR STLPort and libstdc++-v3 */
173 /* make STLPort happy */
174 extern int mblen(const char *, size_t);
175 extern size_t mbstowcs(wchar_t *, const char *, size_t);
176 extern int mbtowc(wchar_t *, const char *, size_t);
177
178 /* Likewise, make libstdc++-v3 happy. */
179 extern int wctomb(char *, wchar_t);
180 extern size_t wcstombs(char *, const wchar_t *, size_t);
181 #endif /* MISSING */
182
183 #define MB_CUR_MAX 1
184
185 #if 0 /* MISSING FROM BIONIC */
186 extern int on_exit(void (*)(int, void *), void *);
187 #endif /* MISSING */
188
189 __END_DECLS
190
191 #endif /* _STDLIB_H_ */
192