util.h

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#ifndef RUBY_UTIL_H                                  /*-*-C++-*-vi:se ft=cpp:*/
#define RUBY_UTIL_H 1
#include "ruby/internal/config.h"
 
#ifdef STDC_HEADERS
# include <stddef.h>                       /* size_t */
#endif
 
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>                    /* ssize_t */
#endif
 
#include "ruby/internal/attr/noalias.h"
#include "ruby/internal/attr/nodiscard.h"
#include "ruby/internal/attr/nonnull.h"
#include "ruby/internal/attr/restrict.h"
#include "ruby/internal/attr/returns_nonnull.h"
#include "ruby/internal/dllexport.h"
#include "ruby/defines.h"
 
RBIMPL_SYMBOL_EXPORT_BEGIN()
 
 
#define DECIMAL_SIZE_OF_BITS(n) (((n) * 3010 + 9998) / 9999)
 
#define DECIMAL_SIZE_OF_BYTES(n) DECIMAL_SIZE_OF_BITS((n) * CHAR_BIT)
 
#define DECIMAL_SIZE_OF(expr) DECIMAL_SIZE_OF_BYTES(sizeof(expr))
 
RUBY_EXTERN const signed char ruby_digit36_to_number_table[];
 
RUBY_EXTERN const char ruby_hexdigits[];
 
unsigned long ruby_scan_digits(const char *str, ssize_t len, int base, size_t *retlen, int *overflow);
 
#define scan_oct(s,l,e) ((int)ruby_scan_oct((s),(l),(e)))
 
RBIMPL_ATTR_NOALIAS()
RBIMPL_ATTR_NONNULL(())
unsigned long ruby_scan_oct(const char *str, size_t len, size_t *consumed);
 
#define scan_hex(s,l,e) ((int)ruby_scan_hex((s),(l),(e)))
 
RBIMPL_ATTR_NONNULL(())
unsigned long ruby_scan_hex(const char *str, size_t len, size_t *ret);
 
#ifdef HAVE_GNU_QSORT_R
# define ruby_qsort qsort_r
#else
void ruby_qsort(void *, const size_t, const size_t,
                int (*)(const void *, const void *, void *), void *);
#endif
 
RBIMPL_ATTR_NONNULL((1))
void ruby_setenv(const char *key, const char *val);
 
RBIMPL_ATTR_NONNULL(())
void ruby_unsetenv(const char *key);
 
RBIMPL_ATTR_NODISCARD()
RBIMPL_ATTR_RESTRICT()
RBIMPL_ATTR_RETURNS_NONNULL()
RBIMPL_ATTR_NONNULL(())
char *ruby_strdup(const char *str);
 
#undef strdup
#define strdup(s) ruby_strdup(s)
 
RBIMPL_ATTR_NODISCARD()
RBIMPL_ATTR_RESTRICT()
RBIMPL_ATTR_RETURNS_NONNULL()
char *ruby_getcwd(void);
 
RBIMPL_ATTR_NONNULL((1))
double ruby_strtod(const char *str, char **endptr);
 
#undef strtod
#define strtod(s,e) ruby_strtod((s),(e))
 
RBIMPL_ATTR_NONNULL((2))
void ruby_each_words(const char *str, void (*func)(const char *word, int len, void *argv), void *argv);
 
RBIMPL_SYMBOL_EXPORT_END()
 
#endif /* RUBY_UTIL_H */