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