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Edit File : missing.h \| Size : 5.55 KB
#ifndef RUBY_MISSING_H /--C++--vi:se ft=cpp:/ #define RUBY_MISSING_H 1 /** * @file * @author $Author$ * @date Sat May 11 23:46:03 JST 2002 * @copyright This file is a part of the programming language Ruby. * Permission is hereby granted, to either redistribute and/or * modify this file, provided that the conditions mentioned in the * file COPYING are met. Consult the file for details. * @brief Prototype for .c in ./missing, and for missing timeval struct. / #include "ruby/internal/config.h" #ifdef STDC_HEADERS # include <stddef.h> #endif #if defined(__cplusplus) # include <cmath> #else # include <math.h> /* for INFINITY and NAN / #endif #ifdef RUBY_ALTERNATIVE_MALLOC_HEADER # include RUBY_ALTERNATIVE_MALLOC_HEADER #endif #if defined(HAVE_TIME_H) # include <time.h> #endif #if defined(HAVE_SYS_TIME_H) # include <sys/time.h> #endif #ifdef HAVE_IEEEFP_H # include <ieeefp.h> #endif #include "ruby/internal/dllexport.h" #ifndef M_PI # define M_PI 3.14159265358979323846 #endif #ifndef M_PI_2 # define M_PI_2 (M_PI/2) #endif #if !defined(HAVE_STRUCT_TIMEVAL) struct timeval { time_t tv_sec; / seconds / long tv_usec; / microseconds / }; #endif / HAVE_STRUCT_TIMEVAL / #if !defined(HAVE_STRUCT_TIMESPEC) / :BEWARE: @shyouhei warns that IT IS A WRONG IDEA to define our own version * of struct timespec here. `clock_gettime` is a system call, and your kernel * could expect something other than just `long` (results stack smashing if * that happens). See also https://ewontfix.com/19/ / struct timespec { time_t tv_sec; / seconds / long tv_nsec; / nanoseconds / }; #endif #if !defined(HAVE_STRUCT_TIMEZONE) struct timezone { int tz_minuteswest; int tz_dsttime; }; #endif RBIMPL_SYMBOL_EXPORT_BEGIN() #ifndef HAVE_ACOSH RUBY_EXTERN double acosh(double); RUBY_EXTERN double asinh(double); RUBY_EXTERN double atanh(double); #endif #ifndef HAVE_CRYPT RUBY_EXTERN char crypt(const char , const char ); #endif #ifndef HAVE_DUP2 RUBY_EXTERN int dup2(int, int); #endif #ifndef HAVE_EACCESS RUBY_EXTERN int eaccess(const char, int); #endif #ifndef HAVE_ROUND RUBY_EXTERN double round(double); / numeric.c / #endif #ifndef HAVE_FINITE RUBY_EXTERN int finite(double); #endif #ifndef HAVE_FLOCK RUBY_EXTERN int flock(int, int); #endif / #ifndef HAVE_FREXP RUBY_EXTERN double frexp(double, int ); #endif / #ifndef HAVE_HYPOT RUBY_EXTERN double hypot(double, double); #endif #ifndef HAVE_ERF RUBY_EXTERN double erf(double); RUBY_EXTERN double erfc(double); #endif #ifndef HAVE_TGAMMA RUBY_EXTERN double tgamma(double); #endif #ifndef HAVE_LGAMMA_R RUBY_EXTERN double lgamma_r(double, int ); #endif #ifndef HAVE_CBRT RUBY_EXTERN double cbrt(double); #endif #if !defined(INFINITY) \|\| !defined(NAN) union bytesequence4_or_float { unsigned char bytesequence[4]; float float_value; }; #endif #ifndef INFINITY /* @internal / RUBY_EXTERN const union bytesequence4_or_float rb_infinity; # define INFINITY (rb_infinity.float_value) # define USE_RB_INFINITY 1 #endif #ifndef NAN /* @internal / RUBY_EXTERN const union bytesequence4_or_float rb_nan; # define NAN (rb_nan.float_value) # define USE_RB_NAN 1 #endif #ifndef HUGE_VAL # define HUGE_VAL ((double)INFINITY) #endif #if defined(isinf) # / Take that. / #elif defined(HAVE_ISINF) # / Take that. / #elif defined(HAVE_FINITE) && defined(HAVE_ISNAN) # define isinf(x) (!finite(x) && !isnan(x)) #elif defined(__cplusplus) && __cplusplus >= 201103L # // <cmath> must include constexpr bool isinf(double); #else RUBY_EXTERN int isinf(double); #endif #if defined(isnan) # / Take that. / #elif defined(HAVE_ISNAN) # / Take that. / #elif defined(__cplusplus) && __cplusplus >= 201103L # // <cmath> must include constexpr bool isnan(double); #else RUBY_EXTERN int isnan(double); #endif #if defined(isfinite) # / Take that. / #elif defined(HAVE_ISFINITE) # / Take that. / #else # define HAVE_ISFINITE 1 # define isfinite(x) finite(x) #endif #ifndef HAVE_NAN RUBY_EXTERN double nan(const char ); #endif #ifndef HAVE_NEXTAFTER RUBY_EXTERN double nextafter(double x, double y); #endif /* #ifndef HAVE_MEMCMP RUBY_EXTERN int memcmp(const void , const void , size_t); #endif / #ifndef HAVE_MEMMOVE RUBY_EXTERN void memmove(void , const void , size_t); #endif /* #ifndef HAVE_MODF RUBY_EXTERN double modf(double, double ); #endif / #ifndef HAVE_STRCHR RUBY_EXTERN char strchr(const char , int); RUBY_EXTERN char strrchr(const char , int); #endif #ifndef HAVE_STRERROR RUBY_EXTERN char strerror(int); #endif #ifndef HAVE_STRSTR RUBY_EXTERN char strstr(const char , const char ); #endif #ifndef HAVE_STRLCPY RUBY_EXTERN size_t strlcpy(char , const char, size_t); #endif #ifndef HAVE_STRLCAT RUBY_EXTERN size_t strlcat(char , const char, size_t); #endif #ifndef HAVE_SIGNBIT RUBY_EXTERN int signbit(double x); #endif #ifndef HAVE_FFS RUBY_EXTERN int ffs(int); #endif #ifdef BROKEN_CLOSE # include <sys/types.h> # include <sys/socket.h> RUBY_EXTERN int ruby_getpeername(int, struct sockaddr , socklen_t ); RUBY_EXTERN int ruby_getsockname(int, struct sockaddr , socklen_t ); RUBY_EXTERN int ruby_shutdown(int, int); RUBY_EXTERN int ruby_close(int); #endif #ifndef HAVE_SETPROCTITLE RUBY_EXTERN void setproctitle(const char fmt, ...); #endif #ifdef HAVE_EXPLICIT_BZERO # / Take that. / #elif defined(SecureZeroMemory) # define explicit_bzero(b, len) SecureZeroMemory(b, len) #else RUBY_EXTERN void explicit_bzero(void b, size_t len); #endif RBIMPL_SYMBOL_EXPORT_END() #endif /* RUBY_MISSING_H */ Back

Edit File : missing.h | Size : 5.55 KB

#ifndef RUBY_MISSING_H                               /*-*-C++-*-vi:se ft=cpp:*/
#define RUBY_MISSING_H 1
/**
 * @file
 * @author     $Author$
 * @date       Sat May 11 23:46:03 JST 2002
 * @copyright  This  file  is   a  part  of  the   programming  language  Ruby.
 *             Permission  is hereby  granted,  to  either redistribute  and/or
 *             modify this file, provided that  the conditions mentioned in the
 *             file COPYING are met.  Consult the file for details.
 * @brief      Prototype for *.c in ./missing, and for missing timeval struct.
 */
#include "ruby/internal/config.h"

#ifdef STDC_HEADERS
# include <stddef.h>
#endif

#if defined(__cplusplus)
# include <cmath>
#else
# include <math.h> /* for INFINITY and NAN */
#endif

#ifdef RUBY_ALTERNATIVE_MALLOC_HEADER
# include RUBY_ALTERNATIVE_MALLOC_HEADER
#endif

#if defined(HAVE_TIME_H)
# include <time.h>
#endif

#if defined(HAVE_SYS_TIME_H)
# include <sys/time.h>
#endif

#ifdef HAVE_IEEEFP_H
# include <ieeefp.h>
#endif

#include "ruby/internal/dllexport.h"

#ifndef M_PI
# define M_PI 3.14159265358979323846
#endif
#ifndef M_PI_2
# define M_PI_2 (M_PI/2)
#endif

#if !defined(HAVE_STRUCT_TIMEVAL)
struct timeval {
    time_t tv_sec;	/* seconds */
    long tv_usec;	/* microseconds */
};
#endif /* HAVE_STRUCT_TIMEVAL */

#if !defined(HAVE_STRUCT_TIMESPEC)
/* :BEWARE: @shyouhei warns that  IT IS A WRONG IDEA to  define our own version
 * of struct timespec here.  `clock_gettime` is  a system call, and your kernel
 * could expect  something other  than just `long`  (results stack  smashing if
 * that happens).  See also https://ewontfix.com/19/ */
struct timespec {
    time_t tv_sec;	/* seconds */
    long tv_nsec;	/* nanoseconds */
};
#endif

#if !defined(HAVE_STRUCT_TIMEZONE)
struct timezone {
    int tz_minuteswest;
    int tz_dsttime;
};
#endif

RBIMPL_SYMBOL_EXPORT_BEGIN()

#ifndef HAVE_ACOSH
RUBY_EXTERN double acosh(double);
RUBY_EXTERN double asinh(double);
RUBY_EXTERN double atanh(double);
#endif

#ifndef HAVE_CRYPT
RUBY_EXTERN char *crypt(const char *, const char *);
#endif

#ifndef HAVE_DUP2
RUBY_EXTERN int dup2(int, int);
#endif

#ifndef HAVE_EACCESS
RUBY_EXTERN int eaccess(const char*, int);
#endif

#ifndef HAVE_ROUND
RUBY_EXTERN double round(double);	/* numeric.c */
#endif

#ifndef HAVE_FINITE
RUBY_EXTERN int finite(double);
#endif

#ifndef HAVE_FLOCK
RUBY_EXTERN int flock(int, int);
#endif

/*
#ifndef HAVE_FREXP
RUBY_EXTERN double frexp(double, int *);
#endif
*/

#ifndef HAVE_HYPOT
RUBY_EXTERN double hypot(double, double);
#endif

#ifndef HAVE_ERF
RUBY_EXTERN double erf(double);
RUBY_EXTERN double erfc(double);
#endif

#ifndef HAVE_TGAMMA
RUBY_EXTERN double tgamma(double);
#endif

#ifndef HAVE_LGAMMA_R
RUBY_EXTERN double lgamma_r(double, int *);
#endif

#ifndef HAVE_CBRT
RUBY_EXTERN double cbrt(double);
#endif

#if !defined(INFINITY) || !defined(NAN)
union bytesequence4_or_float {
  unsigned char bytesequence[4];
  float float_value;
};
#endif

#ifndef INFINITY
/** @internal */
RUBY_EXTERN const union bytesequence4_or_float rb_infinity;
# define INFINITY (rb_infinity.float_value)
# define USE_RB_INFINITY 1
#endif

#ifndef NAN
/** @internal */
RUBY_EXTERN const union bytesequence4_or_float rb_nan;
# define NAN (rb_nan.float_value)
# define USE_RB_NAN 1
#endif

#ifndef HUGE_VAL
# define HUGE_VAL ((double)INFINITY)
#endif

#if defined(isinf)
# /* Take that. */
#elif defined(HAVE_ISINF)
# /* Take that. */
#elif defined(HAVE_FINITE) && defined(HAVE_ISNAN)
# define isinf(x) (!finite(x) && !isnan(x))
#elif defined(__cplusplus) && __cplusplus >= 201103L
# // <cmath> must include constexpr bool isinf(double);
#else
RUBY_EXTERN int isinf(double);
#endif

#if defined(isnan)
# /* Take that. */
#elif defined(HAVE_ISNAN)
# /* Take that. */
#elif defined(__cplusplus) && __cplusplus >= 201103L
# // <cmath> must include constexpr bool isnan(double);
#else
RUBY_EXTERN int isnan(double);
#endif

#if defined(isfinite)
# /* Take that. */
#elif defined(HAVE_ISFINITE)
# /* Take that. */
#else
# define HAVE_ISFINITE 1
# define isfinite(x) finite(x)
#endif

#ifndef HAVE_NAN
RUBY_EXTERN double nan(const char *);
#endif

#ifndef HAVE_NEXTAFTER
RUBY_EXTERN double nextafter(double x, double y);
#endif

/*
#ifndef HAVE_MEMCMP
RUBY_EXTERN int memcmp(const void *, const void *, size_t);
#endif
*/

#ifndef HAVE_MEMMOVE
RUBY_EXTERN void *memmove(void *, const void *, size_t);
#endif

/*
#ifndef HAVE_MODF
RUBY_EXTERN double modf(double, double *);
#endif
*/

#ifndef HAVE_STRCHR
RUBY_EXTERN char *strchr(const char *, int);
RUBY_EXTERN char *strrchr(const char *, int);
#endif

#ifndef HAVE_STRERROR
RUBY_EXTERN char *strerror(int);
#endif

#ifndef HAVE_STRSTR
RUBY_EXTERN char *strstr(const char *, const char *);
#endif

#ifndef HAVE_STRLCPY
RUBY_EXTERN size_t strlcpy(char *, const char*, size_t);
#endif

#ifndef HAVE_STRLCAT
RUBY_EXTERN size_t strlcat(char *, const char*, size_t);
#endif

#ifndef HAVE_SIGNBIT
RUBY_EXTERN int signbit(double x);
#endif

#ifndef HAVE_FFS
RUBY_EXTERN int ffs(int);
#endif

#ifdef BROKEN_CLOSE
# include <sys/types.h>
# include <sys/socket.h>
RUBY_EXTERN int ruby_getpeername(int, struct sockaddr *, socklen_t *);
RUBY_EXTERN int ruby_getsockname(int, struct sockaddr *, socklen_t *);
RUBY_EXTERN int ruby_shutdown(int, int);
RUBY_EXTERN int ruby_close(int);
#endif

#ifndef HAVE_SETPROCTITLE
RUBY_EXTERN void setproctitle(const char *fmt, ...);
#endif

#ifdef HAVE_EXPLICIT_BZERO
# /* Take that. */
#elif defined(SecureZeroMemory)
# define explicit_bzero(b, len) SecureZeroMemory(b, len)
#else
RUBY_EXTERN void explicit_bzero(void *b, size_t len);
#endif

RBIMPL_SYMBOL_EXPORT_END()

#endif /* RUBY_MISSING_H */

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