197 lines
6.6 KiB
C
197 lines
6.6 KiB
C
/*
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* Copyright 2002-2012 Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _STDLIB_H_
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#define _STDLIB_H_
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#include <alloca.h>
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#include <div_t.h>
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#include <limits.h>
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#include <stddef.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <wchar_t.h>
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#define RAND_MAX 0x7fffffff
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#define MB_CUR_MAX (__ctype_get_mb_cur_max())
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#define EXIT_SUCCESS 0
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#define EXIT_FAILURE 1
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/* random data structures (for thread-safe random numbers) */
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struct random_data {
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int *fptr;
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int *rptr;
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int *state;
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int rand_type;
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int rand_deg;
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int rand_sep;
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int *end_ptr;
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};
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struct drand48_data {
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unsigned short int x[3];
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unsigned short int a[3];
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unsigned short int c;
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unsigned short int old_x[3];
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int init;
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* memory allocation (see malloc.h for additional defines & prototypes) */
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extern void *calloc(size_t numElements, size_t size);
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extern void free(void *pointer);
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extern void *malloc(size_t size);
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extern int posix_memalign(void **_pointer, size_t alignment, size_t size);
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#ifdef _ISOC11_SOURCE
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extern void *aligned_alloc(size_t alignment, size_t size);
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#endif
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extern void *realloc(void *oldPointer, size_t newSize);
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/* process termination */
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extern void abort(void) __attribute__((noreturn));
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extern int atexit(void (*func)(void));
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extern int atfork(void (*func)(void));
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extern void exit(int) __attribute__((noreturn));
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extern void _Exit(int) __attribute__((noreturn));
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/* misc functions */
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extern char *realpath(const char *path, char *resolved);
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extern int system(const char *command);
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extern char *mktemp(char *name);
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extern char *mkdtemp(char *templat);
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extern int mkstemp(char *templat);
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extern char *ecvt(double value, int digits, int *_decimalPoint, int *_sign);
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extern char *fcvt(double value, int precision, int *_decimalPoint,
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int *_sign);
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extern char *gcvt(double value, int digits, char *buffer);
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extern char *l64a(long n);
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extern long a64l(const char *string);
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/* environment variables */
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extern char **environ;
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extern int clearenv(void);
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extern char *getenv(const char *name);
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extern int putenv(char *string);
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extern int setenv(char const *name, char const *value, int rewrite);
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extern int unsetenv(const char *name);
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/* ASCII string to number conversion */
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extern double atof(const char *string);
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extern int atoi(const char *string);
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extern long atol(const char *string);
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extern long long int atoll(const char *string);
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extern unsigned int atoui(const char *string);
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extern unsigned long atoul(const char *string);
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extern double strtod(const char *string, char **end);
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extern long double strtold(const char *string, char **end);
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extern float strtof(const char *string, char **end);
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extern long strtol(const char *string, char **end, int base);
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extern unsigned long strtoul(const char *string, char **end, int base);
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extern long long strtoll(const char *string, char **end, int base);
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extern unsigned long long strtoull(const char *string, char **end, int base);
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/* random number generation */
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extern void srand(unsigned int seed);
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extern int rand(void);
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extern int random(void);
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extern void srandom(unsigned int seed);
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extern int rand_r(unsigned int *seed);
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extern int random_r(struct random_data *data, int *result);
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extern int srandom_r(unsigned int seed, struct random_data *data);
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extern char *initstate(unsigned int seed, char *state, size_t size);
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extern char *setstate(char *state);
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extern int initstate_r(unsigned int seed, void *stateBuffer,
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size_t stateLength, struct random_data *data);
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extern int setstate_r(void *stateBuffer, struct random_data *data);
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extern double drand48(void);
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extern double erand48(unsigned short int xsubi[3]);
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extern long lrand48(void);
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extern long nrand48(unsigned short int xsubi[3]);
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extern long mrand48(void);
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extern long jrand48(unsigned short int xsubi[3]);
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extern void srand48(long int seed);
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extern unsigned short *seed48(unsigned short int seed16v[3]);
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extern void lcong48(unsigned short int param[7]);
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extern int drand48_r(struct drand48_data *data, double *result);
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extern int erand48_r(unsigned short int xsubi[3],
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struct drand48_data *data, double *result);
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extern int lrand48_r(struct drand48_data *data, long int *result);
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extern int nrand48_r(unsigned short int xsubi[3],
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struct drand48_data *data, long int *result);
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extern int mrand48_r(struct drand48_data *data, long int *result);
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extern int jrand48_r(unsigned short int xsubi[3],
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struct drand48_data *data, long int *result);
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extern int srand48_r(long int seed, struct drand48_data *data);
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extern int seed48_r(unsigned short int seed16v[3],
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struct drand48_data *data);
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extern int lcong48_r(unsigned short int param[7],
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struct drand48_data *data);
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/* search and sort functions */
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typedef int (*_compare_function)(const void *, const void *);
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extern void *bsearch(const void *key, const void *base, size_t numElements,
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size_t sizeOfElement, _compare_function);
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extern int heapsort(void *base, size_t numElements, size_t sizeOfElement,
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_compare_function);
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extern int mergesort(void *base, size_t numElements, size_t sizeOfElement,
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_compare_function);
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extern void qsort(void *base, size_t numElements, size_t sizeOfElement,
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_compare_function);
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extern int radixsort(u_char const **base, int numElements,
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u_char const *table, u_int endByte);
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extern int sradixsort(u_char const **base, int numElements,
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u_char const *table, u_int endByte);
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/* misc math functions */
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extern int abs(int number);
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extern long labs(long number);
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extern long long llabs(long long number);
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extern div_t div(int numerator, int denominator);
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extern ldiv_t ldiv(long numerator, long denominator);
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extern lldiv_t lldiv(long long numerator, long long denominator);
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/* wide & multibyte string functions */
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extern int mblen(const char *string, size_t maxSize);
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extern int mbtowc(wchar_t *pwc, const char *string, size_t maxSize);
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extern int wctomb(char *string, wchar_t wchar);
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extern size_t mbstowcs(wchar_t *pwcs, const char *string, size_t maxSize);
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extern size_t wcstombs(char *string, const wchar_t *pwcs, size_t maxSize);
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/* crypt */
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extern void setkey(const char *key);
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/* sub-option parsing */
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extern int getsubopt(char **optionp, char * const *keylistp,
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char **valuep);
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/* pty functions */
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extern int posix_openpt(int openFlags);
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extern int grantpt(int masterFD);
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extern char* ptsname(int masterFD);
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extern int unlockpt(int masterFD);
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/* internal accessor to value for MB_CUR_MAX */
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extern unsigned short __ctype_get_mb_cur_max(void);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* _STDLIB_H_ */
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