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Diffstat (limited to 'nuttx/include/stdlib.h')
-rw-r--r-- | nuttx/include/stdlib.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/nuttx/include/stdlib.h b/nuttx/include/stdlib.h new file mode 100644 index 0000000000..c5cf3edda3 --- /dev/null +++ b/nuttx/include/stdlib.h @@ -0,0 +1,116 @@ +/************************************************************ + * 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 */ |