/**************************************************************************** * include/stdlib.h * * Copyright (C) 2007-2013 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #include #include #include /**************************************************************************** * 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 /* 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 */