diff options
Diffstat (limited to 'include/ruby/missing.h')
| -rw-r--r-- | include/ruby/missing.h | 97 |
1 files changed, 64 insertions, 33 deletions
diff --git a/include/ruby/missing.h b/include/ruby/missing.h index bded5521d1..4b88c9ea07 100644 --- a/include/ruby/missing.h +++ b/include/ruby/missing.h @@ -20,22 +20,41 @@ extern "C" { #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> -#elif !defined(_WIN32) -# define time_t long +# include <sys/time.h> +#endif +#endif + +#ifndef M_PI +# define M_PI 3.14159265358979323846 +#endif +#ifndef M_PI_2 +# 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 */ long tv_usec; /* microseconds */ }; -#endif -#if defined(HAVE_SYS_TYPES_H) -# include <sys/types.h> -#endif +#endif /* HAVE_STRUCT_TIMEVAL */ #if !defined(HAVE_STRUCT_TIMESPEC) struct timespec { @@ -51,11 +70,6 @@ struct timezone { }; #endif -#if defined(HAVE___SYSCALL) && defined(__APPLE__) -/* Mac OS X has __syscall but doen't defined in headers */ -off_t __syscall(quad_t number, ...); -#endif - #ifdef RUBY_EXPORT #undef RUBY_EXTERN #endif @@ -63,9 +77,7 @@ off_t __syscall(quad_t number, ...); #define RUBY_EXTERN extern #endif -#if defined __GNUC__ && __GNUC__ >= 4 -#pragma GCC visibility push(default) -#endif +RUBY_SYMBOL_EXPORT_BEGIN #ifndef HAVE_ACOSH RUBY_EXTERN double acosh(double); @@ -124,20 +136,23 @@ RUBY_EXTERN double lgamma_r(double, int *); RUBY_EXTERN double cbrt(double); #endif -#ifdef INFINITY -# define HAVE_INFINITY -#else +#if !defined(HAVE_INFINITY) || !defined(HAVE_NAN) +union bytesequence4_or_float { + unsigned char bytesequence[4]; + float float_value; +}; +#endif + +#ifndef INFINITY /** @internal */ -RUBY_EXTERN const unsigned char rb_infinity[]; -# define INFINITY (*(float *)rb_infinity) +RUBY_EXTERN const union bytesequence4_or_float rb_infinity; +# define INFINITY (rb_infinity.float_value) #endif -#ifdef NAN -# define HAVE_NAN -#else +#ifndef NAN /** @internal */ -RUBY_EXTERN const unsigned char rb_nan[]; -# define NAN (*(float *)rb_nan) +RUBY_EXTERN const union bytesequence4_or_float rb_nan; +# define NAN (rb_nan.float_value) #endif #ifndef isinf @@ -147,6 +162,8 @@ RUBY_EXTERN const unsigned char rb_nan[]; # 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 @@ -155,10 +172,25 @@ RUBY_EXTERN int isinf(double); #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 +#ifndef isfinite +# ifndef HAVE_ISFINITE +# define HAVE_ISFINITE 1 +# define isfinite(x) finite(x) +# endif +#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); @@ -188,12 +220,6 @@ RUBY_EXTERN char *strerror(int); RUBY_EXTERN char *strstr(const char *, const char *); #endif -/* -#ifndef HAVE_STRTOL -RUBY_EXTERN long strtol(const char *, char **, int); -#endif -*/ - #ifndef HAVE_STRLCPY RUBY_EXTERN size_t strlcpy(char *, const char*, size_t); #endif @@ -223,10 +249,15 @@ RUBY_EXTERN int ruby_close(int); RUBY_EXTERN void setproctitle(const char *fmt, ...); #endif -#if defined __GNUC__ && __GNUC__ >= 4 -#pragma GCC visibility pop +#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 +RUBY_SYMBOL_EXPORT_END + #if defined(__cplusplus) #if 0 { /* satisfy cc-mode */ |