b08a86171f
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3 42af7a65-404d-4744-a932-0658087f49c3
117 lines
4.0 KiB
C
117 lines
4.0 KiB
C
/************************************************************
|
|
* stdlib.h
|
|
*
|
|
* Copyright (C) 2007 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
|
|
*
|
|
* 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 Gregory Nutt 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 __STDLIB_H
|
|
#define __STDLIB_H
|
|
|
|
/************************************************************
|
|
* Included Files
|
|
************************************************************/
|
|
|
|
#include <sys/types.h>
|
|
|
|
/************************************************************
|
|
* Definitions
|
|
************************************************************/
|
|
|
|
/* The C standard specifies two constants, EXIT_SUCCESS and
|
|
* EXIT_FAILURE, that may be passed to exit() to indicate
|
|
* successfuol or unsucessful termination, respectively.
|
|
*/
|
|
|
|
#define EXIT_SUCCESS 0
|
|
#define EXIT_FAILURE 1
|
|
|
|
/************************************************************
|
|
* 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
|
|
************************************************************/
|
|
|
|
#undef EXTERN
|
|
#if defined(__cplusplus)
|
|
#define EXTERN extern "C"
|
|
extern "C" {
|
|
#else
|
|
#define EXTERN extern
|
|
#endif
|
|
|
|
/* Random number generation */
|
|
EXTERN void srand(unsigned int seed);
|
|
EXTERN int rand(void);
|
|
|
|
/* Environment variable support */
|
|
EXTERN char *getenv(const char *name);
|
|
|
|
/* Process exit functions */
|
|
EXTERN void exit(int status);
|
|
EXTERN void abort(void);
|
|
EXTERN int atexit(void (*func)(void));
|
|
|
|
/* String to binary conversions */
|
|
#define atoi(nptr) strtol((nptr), (char**)NULL, 10)
|
|
EXTERN long strtol(const char *, char **, int);
|
|
EXTERN double strtod(const char *, char **);
|
|
|
|
/* Memory Management */
|
|
EXTERN void *malloc(size_t);
|
|
EXTERN void free(void*);
|
|
EXTERN void *realloc(void*, size_t);
|
|
EXTERN void *memalign(size_t, size_t);
|
|
EXTERN void *zalloc(size_t);
|
|
EXTERN void *calloc(size_t, size_t);
|
|
EXTERN struct mallinfo mallinfo(void);
|
|
|
|
#undef EXTERN
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif
|
|
|
|
#endif /* __STDLIB_H */
|