diff options
Diffstat (limited to 'include/ruby/missing.h')
| -rw-r--r-- | include/ruby/missing.h | 146 |
1 files changed, 74 insertions, 72 deletions
diff --git a/include/ruby/missing.h b/include/ruby/missing.h index f83f1b695c..4b88c9ea07 100644 --- a/include/ruby/missing.h +++ b/include/ruby/missing.h @@ -1,45 +1,42 @@ -#ifndef RUBY_MISSING_H /*-*-C++-*-vi:se ft=cpp:*/ +/************************************************ + + missing.h - prototype for *.c in ./missing, and + for missing timeval struct + + $Author$ + created at: Sat May 11 23:46:03 JST 2002 + +************************************************/ + +#ifndef RUBY_MISSING_H #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 */ +extern "C" { +#if 0 +} /* satisfy cc-mode */ +#endif #endif +#include "ruby/config.h" +#include <stddef.h> +#include <math.h> /* for INFINITY and NAN */ #ifdef RUBY_ALTERNATIVE_MALLOC_HEADER # include RUBY_ALTERNATIVE_MALLOC_HEADER #endif +#ifdef RUBY_EXTCONF_H +#include RUBY_EXTCONF_H +#endif +#if !defined(HAVE_STRUCT_TIMEVAL) || !defined(HAVE_STRUCT_TIMESPEC) #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 @@ -47,6 +44,11 @@ # define M_PI_2 (M_PI/2) #endif +#ifndef RUBY_SYMBOL_EXPORT_BEGIN +# define RUBY_SYMBOL_EXPORT_BEGIN /* begin */ +# define RUBY_SYMBOL_EXPORT_END /* end */ +#endif + #if !defined(HAVE_STRUCT_TIMEVAL) struct timeval { time_t tv_sec; /* seconds */ @@ -55,10 +57,6 @@ struct timeval { #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 */ @@ -72,7 +70,14 @@ struct timezone { }; #endif -RBIMPL_SYMBOL_EXPORT_BEGIN() +#ifdef RUBY_EXPORT +#undef RUBY_EXTERN +#endif +#ifndef RUBY_EXTERN +#define RUBY_EXTERN extern +#endif + +RUBY_SYMBOL_EXPORT_BEGIN #ifndef HAVE_ACOSH RUBY_EXTERN double acosh(double); @@ -131,7 +136,7 @@ RUBY_EXTERN double lgamma_r(double, int *); RUBY_EXTERN double cbrt(double); #endif -#if !defined(INFINITY) || !defined(NAN) +#if !defined(HAVE_INFINITY) || !defined(HAVE_NAN) union bytesequence4_or_float { unsigned char bytesequence[4]; float float_value; @@ -142,53 +147,44 @@ union bytesequence4_or_float { /** @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 +#ifndef isinf +# ifndef HAVE_ISINF +# if defined(HAVE_FINITE) && defined(HAVE_ISNAN) +# ifdef HAVE_IEEEFP_H +# include <ieeefp.h> +# endif +# define isinf(x) (!finite(x) && !isnan(x)) +# elif defined(__cplusplus) && __cplusplus >= 201103L +# include <cmath> // it must include constexpr bool isinf(double); +# else RUBY_EXTERN int isinf(double); +# endif +# endif #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 +#ifndef isnan +# ifndef HAVE_ISNAN +# if defined(__cplusplus) && __cplusplus >= 201103L +# include <cmath> // it must include constexpr bool isnan(double); +# else RUBY_EXTERN int isnan(double); +# endif +# endif #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 *); +#ifndef isfinite +# ifndef HAVE_ISFINITE +# define HAVE_ISFINITE 1 +# define isfinite(x) finite(x) +# endif #endif #ifndef HAVE_NEXTAFTER @@ -241,8 +237,8 @@ RUBY_EXTERN int ffs(int); #endif #ifdef BROKEN_CLOSE -# include <sys/types.h> -# include <sys/socket.h> +#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); @@ -253,14 +249,20 @@ RUBY_EXTERN int ruby_close(int); 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 +#ifndef HAVE_EXPLICIT_BZERO RUBY_EXTERN void explicit_bzero(void *b, size_t len); +# if defined SecureZeroMemory +# define explicit_bzero(b, len) SecureZeroMemory(b, len) +# endif #endif -RBIMPL_SYMBOL_EXPORT_END() +RUBY_SYMBOL_EXPORT_END + +#if defined(__cplusplus) +#if 0 +{ /* satisfy cc-mode */ +#endif +} /* extern "C" { */ +#endif #endif /* RUBY_MISSING_H */ |