#ifndef RUBY_MISSING_H /*-*-C++-*-vi:se ft=cpp:*/

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#define RUBY_MISSING_H 1

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/**

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* @author $Author$

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* @date Sat May 11 23:46:03 JST 2002

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* @copyright This file is a part of the programming language Ruby.

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* Permission is hereby granted, to either redistribute and/or

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* modify this file, provided that the conditions mentioned in the

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* file COPYING are met. Consult the file for details.

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* @brief Prototype for *.c in ./missing, and for missing timeval struct.

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*/

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#include "ruby/internal/config.h"

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#ifdef STDC_HEADERS

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# include <stddef.h>

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#endif

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#if defined(__cplusplus)

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# include <cmath>

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#else

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# include <math.h> /* for INFINITY and NAN */

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#endif

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#ifdef RUBY_ALTERNATIVE_MALLOC_HEADER

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# include RUBY_ALTERNATIVE_MALLOC_HEADER

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#endif

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#if defined(HAVE_TIME_H)

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# include <time.h>

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#endif

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#if defined(HAVE_SYS_TIME_H)

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# include <sys/time.h>

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#endif

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#ifdef HAVE_IEEEFP_H

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# include <ieeefp.h>

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#endif

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#include "ruby/internal/dllexport.h"

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#include "ruby/internal/attr/format.h"

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#ifndef M_PI

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# define M_PI 3.14159265358979323846

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#endif

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#ifndef M_PI_2

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# define M_PI_2 (M_PI/2)

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#endif

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#if !defined(HAVE_STRUCT_TIMEVAL)

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struct timeval {

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time_t tv_sec; /* seconds */

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long tv_usec; /* microseconds */

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};

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#endif /* HAVE_STRUCT_TIMEVAL */

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#if !defined(HAVE_STRUCT_TIMESPEC)

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/* :BEWARE: @shyouhei warns that IT IS A WRONG IDEA to define our own version

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* of struct timespec here. `clock_gettime` is a system call, and your kernel

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* could expect something other than just `long` (results stack smashing if

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* that happens). See also https://ewontfix.com/19/ */

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struct timespec {

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time_t tv_sec; /* seconds */

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long tv_nsec; /* nanoseconds */

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};

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#endif

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#if !defined(HAVE_STRUCT_TIMEZONE)

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struct timezone {

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int tz_minuteswest;

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int tz_dsttime;

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};

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#endif

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RBIMPL_SYMBOL_EXPORT_BEGIN()

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#ifndef HAVE_ACOSH

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RUBY_EXTERN double acosh(double);

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RUBY_EXTERN double asinh(double);

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RUBY_EXTERN double atanh(double);

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#endif

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#ifndef HAVE_CRYPT

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RUBY_EXTERN char *crypt(const char *, const char *);

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#endif

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#ifndef HAVE_EACCESS

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RUBY_EXTERN int eaccess(const char*, int);

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#endif

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#ifndef HAVE_ROUND

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RUBY_EXTERN double round(double); /* numeric.c */

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#endif

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#ifndef HAVE_FLOCK

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RUBY_EXTERN int flock(int, int);

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#endif

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/*

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#ifndef HAVE_FREXP

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RUBY_EXTERN double frexp(double, int *);

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#endif

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*/

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#ifndef HAVE_HYPOT

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RUBY_EXTERN double hypot(double, double);

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#endif

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#ifndef HAVE_ERF

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RUBY_EXTERN double erf(double);

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RUBY_EXTERN double erfc(double);

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#endif

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#ifndef HAVE_TGAMMA

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RUBY_EXTERN double tgamma(double);

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#endif

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#ifndef HAVE_LGAMMA_R

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RUBY_EXTERN double lgamma_r(double, int *);

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#endif

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#ifndef HAVE_CBRT

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RUBY_EXTERN double cbrt(double);

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#endif

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#if !defined(INFINITY) || !defined(NAN)

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union bytesequence4_or_float {

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unsigned char bytesequence[4];

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float float_value;

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};

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#endif

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#ifndef INFINITY

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/** @internal */

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RUBY_EXTERN const union bytesequence4_or_float rb_infinity;

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# define INFINITY (rb_infinity.float_value)

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# define USE_RB_INFINITY 1

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#endif

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#ifndef NAN

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/** @internal */

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RUBY_EXTERN const union bytesequence4_or_float rb_nan;

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# define NAN (rb_nan.float_value)

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# define USE_RB_NAN 1

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#endif

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#ifndef HUGE_VAL

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# define HUGE_VAL ((double)INFINITY)

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#endif

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#ifndef HAVE_FINITE

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# define HAVE_FINITE 1

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# define finite(x) isfinite(x)

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#endif

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#ifndef HAVE_NAN

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RUBY_EXTERN double nan(const char *);

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#endif

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#ifndef HAVE_NEXTAFTER

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RUBY_EXTERN double nextafter(double x, double y);

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#endif

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/*

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#ifndef HAVE_MEMCMP

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RUBY_EXTERN int memcmp(const void *, const void *, size_t);

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#endif

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*/

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#ifndef HAVE_MEMMOVE

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RUBY_EXTERN void *memmove(void *, const void *, size_t);

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#endif

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/*

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#ifndef HAVE_MODF

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RUBY_EXTERN double modf(double, double *);

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#endif

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*/

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#ifndef HAVE_STRCHR

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RUBY_EXTERN char *strchr(const char *, int);

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RUBY_EXTERN char *strrchr(const char *, int);

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#endif

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#ifndef HAVE_STRERROR

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RUBY_EXTERN char *strerror(int);

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#endif

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#ifndef HAVE_STRSTR

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RUBY_EXTERN char *strstr(const char *, const char *);

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#endif

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#ifndef HAVE_STRLCPY

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RUBY_EXTERN size_t strlcpy(char *, const char*, size_t);

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#endif

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#ifndef HAVE_STRLCAT

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RUBY_EXTERN size_t strlcat(char *, const char*, size_t);

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#endif

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#ifndef HAVE_FFS

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RUBY_EXTERN int ffs(int);

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#endif

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#ifdef BROKEN_CLOSE

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# include <sys/types.h>

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# include <sys/socket.h>

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RUBY_EXTERN int ruby_getpeername(int, struct sockaddr *, socklen_t *);

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RUBY_EXTERN int ruby_getsockname(int, struct sockaddr *, socklen_t *);

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RUBY_EXTERN int ruby_shutdown(int, int);

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RUBY_EXTERN int ruby_close(int);

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#endif

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#ifndef HAVE_SETPROCTITLE

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RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 1, 2)

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RUBY_EXTERN void setproctitle(const char *fmt, ...);

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#endif

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#ifdef HAVE_EXPLICIT_BZERO

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# /* Take that. */

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#elif defined(SecureZeroMemory)

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# define explicit_bzero(b, len) SecureZeroMemory(b, len)

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#else

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RUBY_EXTERN void explicit_bzero(void *b, size_t len);

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#endif

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RBIMPL_SYMBOL_EXPORT_END()

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#endif /* RUBY_MISSING_H */

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