1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
/****************************************************************************
* include/stdlib.h
*
* Copyright (C) 2007-2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __INCLUDE_STDLIB_H
#define __INCLUDE_STDLIB_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include <sys/types.h>
#include <stdint.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* The C standard specifies two constants, EXIT_SUCCESS and
* EXIT_FAILURE, that may be passed to exit() to indicate
* successful or unsucessful termination, respectively.
*/
#define EXIT_SUCCESS 0
#define EXIT_FAILURE 1
/* The NULL pointer should be defined in this file but is currently defined
* in sys/types.h.
*/
/* Maximum value returned by rand() */
#define MAX_RAND 32767
/* Integer expression whose value is the maximum number of bytes in a
* character specified by the current locale.
*/
#define MB_CUR_MAX 1
/* The environ variable, normally 'extern char **environ;' is
* not implemented as a function call. However, get_environ_ptr()
* can be used in its place.
*/
#ifndef CONFIG_DISABLE_ENIVRON
# define environ get_environ_ptr()
#endif
/****************************************************************************
* Global Type Definitions
****************************************************************************/
struct mallinfo
{
int arena; /* This is the total size of memory allocated
* for use by malloc in bytes. */
int ordblks; /* This is the number of free (not in use) chunks */
int mxordblk; /* Size of the largest free (not in use) chunk */
int uordblks; /* This is the total size of memory occupied by
* chunks handed out by malloc. */
int fordblks; /* This is the total size of memory occupied
* by free (not in use) chunks.*/
};
/****************************************************************************
* Global Function Prototypes
****************************************************************************/
/****************************************************************************
* Global Function Prototypes
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/* Random number generation */
void srand(unsigned int seed);
int rand(void);
/* Environment variable support */
#ifndef CONFIG_DISABLE_ENIVRON
FAR char **get_environ_ptr( void );
FAR char *getenv(FAR const char *name);
int putenv(FAR const char *string);
int clearenv(void);
int setenv(const char *name, const char *value, int overwrite);
int unsetenv(const char *name);
#endif
/* Process exit functions */
void exit(int status) noreturn_function;
void abort(void) noreturn_function;
#ifdef CONFIG_SCHED_ATEXIT
int atexit(CODE void (*func)(void));
#endif
#ifdef CONFIG_SCHED_ONEXIT
int on_exit(CODE void (*func)(int, FAR void *), FAR void *arg);
#endif
/* _Exit() is a stdlib.h equivalent to the unistd.h _exit() function */
void _exit(int status); /* See unistd.h */
#define _Exit(s) _exit(s)
/* String to binary conversions */
long strtol(const char *, char **, int);
unsigned long strtoul(const char *, char **, int);
#ifdef CONFIG_HAVE_LONG_LONG
long long strtoll(const char *, char **, int);
unsigned long long strtoull(const char *, char **, int);
#endif
double_t strtod(const char *, char **);
#define atoi(nptr) strtol((nptr), NULL, 10)
#define atol(nptr) strtol((nptr), NULL, 10)
#ifdef CONFIG_HAVE_LONG_LONG
#define atoll(nptr) strtoll((nptr), NULL, 10)
#endif
#define atof(nptr) strtod((nptr), NULL)
/* Binary to string conversions */
char *itoa(int value, char *str, int base);
/* Memory Management */
FAR void *malloc(size_t);
void free(FAR void*);
FAR void *realloc(FAR void*, size_t);
FAR void *memalign(size_t, size_t);
FAR void *zalloc(size_t);
FAR void *calloc(size_t, size_t);
/* Misc */
int abs(int j);
long int labs(long int j);
#ifdef CONFIG_HAVE_LONG_LONG
long long int llabs(long long int j);
#endif
int mktemp(FAR char *path_template);
int mkstemp(FAR char *path_template);
/* Sorting */
void qsort(void *base, size_t nmemb, size_t size,
int(*compar)(const void *, const void *));
#ifdef CONFIG_CAN_PASS_STRUCTS
struct mallinfo mallinfo(void);
#else
int mallinfo(struct mallinfo *info);
#endif
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __INCLUDE_STDLIB_H */
|
