diff options
Diffstat (limited to 'include/ruby/missing.h')
| -rw-r--r-- | include/ruby/missing.h | 269 |
1 files changed, 81 insertions, 188 deletions
diff --git a/include/ruby/missing.h b/include/ruby/missing.h index aea6c9088d..f055104a0e 100644 --- a/include/ruby/missing.h +++ b/include/ruby/missing.h @@ -1,62 +1,36 @@ -#ifndef RUBY_MISSING_H /*-*-C++-*-vi:se ft=cpp:*/ -#define RUBY_MISSING_H 1 -/** - * @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 + 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 #if defined(__cplusplus) -# include <cmath> -#else -# include <math.h> /* for INFINITY and NAN */ +extern "C" { +#if 0 +} /* satisfy cc-mode */ +#endif #endif -#ifdef RUBY_ALTERNATIVE_MALLOC_HEADER -# include RUBY_ALTERNATIVE_MALLOC_HEADER +#include "ruby/config.h" +#include <stddef.h> +#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_SYS_STAT_H -# include <sys/stat.h> -#endif - -#ifdef HAVE_UNISTD_H -# include <unistd.h> -#endif - -#ifdef HAVE_STDIO_H -# include <stdio.h> -#endif - -#ifdef HAVE_IEEEFP_H -# include <ieeefp.h> -#endif - -#include "ruby/internal/dllexport.h" -#include "ruby/internal/attr/format.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) @@ -67,10 +41,6 @@ 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 */ @@ -84,7 +54,16 @@ struct timezone { }; #endif -RBIMPL_SYMBOL_EXPORT_BEGIN() +#ifdef RUBY_EXPORT +#undef RUBY_EXTERN +#endif +#ifndef RUBY_EXTERN +#define RUBY_EXTERN extern +#endif + +#if defined __GNUC__ && __GNUC__ >= 4 +#pragma GCC visibility push(default) +#endif #ifndef HAVE_ACOSH RUBY_EXTERN double acosh(double); @@ -96,6 +75,10 @@ RUBY_EXTERN double atanh(double); 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 @@ -104,6 +87,10 @@ RUBY_EXTERN int eaccess(const char*, int); 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 @@ -135,42 +122,39 @@ RUBY_EXTERN double lgamma_r(double, int *); 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 +#ifdef INFINITY +# define HAVE_INFINITY +#else /** @internal */ -RUBY_EXTERN const union bytesequence4_or_float rb_infinity; -# define INFINITY (rb_infinity.float_value) -# define USE_RB_INFINITY 1 +RUBY_EXTERN const unsigned char rb_infinity[]; +# define INFINITY (*(float *)rb_infinity) #endif -#ifndef NAN +#ifdef NAN +# define HAVE_NAN +#else /** @internal */ -RUBY_EXTERN const union bytesequence4_or_float rb_nan; -# define NAN (rb_nan.float_value) -# define USE_RB_NAN 1 +RUBY_EXTERN const unsigned char rb_nan[]; +# define NAN (*(float *)rb_nan) #endif -#ifndef HUGE_VAL -# define HUGE_VAL ((double)INFINITY) +#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)) +# else +RUBY_EXTERN int isinf(double); +# endif +# endif #endif -#ifndef HAVE_FINITE -# define HAVE_FINITE 1 -# define finite(x) isfinite(x) -#endif - -#ifndef HAVE_NAN -RUBY_EXTERN double nan(const char *); -#endif - -#ifndef HAVE_NEXTAFTER -RUBY_EXTERN double nextafter(double x, double y); +#ifndef isnan +# ifndef HAVE_ISNAN +RUBY_EXTERN int isnan(double); +# endif #endif /* @@ -202,6 +186,12 @@ 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 @@ -210,13 +200,17 @@ RUBY_EXTERN size_t strlcpy(char *, const char*, size_t); 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> +#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); @@ -224,119 +218,18 @@ RUBY_EXTERN int ruby_close(int); #endif #ifndef HAVE_SETPROCTITLE -RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 1, 2) 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 - -#ifndef HAVE_TZSET -RUBY_EXTERN void tzset(void); +#if defined __GNUC__ && __GNUC__ >= 4 +#pragma GCC visibility pop #endif -#ifndef HAVE_POSIX_MADVISE -RUBY_EXTERN int posix_madvise(void *, size_t, int); -#endif - -#ifndef HAVE_GETEUID -RUBY_EXTERN rb_uid_t geteuid(void); -#endif - -#ifndef HAVE_GETUID -RUBY_EXTERN rb_uid_t getuid(void); -#endif - -#ifndef HAVE_GETEGID -RUBY_EXTERN rb_gid_t getegid(void); -#endif - -#ifndef HAVE_GETGID -RUBY_EXTERN rb_gid_t getgid(void); -#endif - -#ifndef HAVE_GETLOGIN -RUBY_EXTERN char *getlogin(void); -#endif - -#ifndef HAVE_GETPPID -RUBY_EXTERN rb_pid_t getppid(void); -#endif - -#ifndef HAVE_UMASK -RUBY_EXTERN rb_mode_t umask(rb_mode_t); -#endif - -#ifndef HAVE_CHMOD -RUBY_EXTERN int chmod(const char *, rb_mode_t); -#endif - -#ifndef HAVE_CHOWN -RUBY_EXTERN int chown(const char *, rb_uid_t, rb_gid_t); -#endif - -#ifndef HAVE_PCLOSE -RUBY_EXTERN int pclose(FILE *); -#endif - -#ifndef HAVE_POPEN -RUBY_EXTERN FILE *popen(const char *, const char *); -#endif - -#ifndef HAVE_PIPE -RUBY_EXTERN int pipe(int [2]); -#endif - -#ifndef HAVE_DUP -RUBY_EXTERN int dup(int); -#endif - -#ifndef HAVE_DUP2 -RUBY_EXTERN int dup2(int, int); -#endif - -#ifndef HAVE_KILL -RUBY_EXTERN int kill(rb_pid_t, int); -#endif - -#ifndef HAVE_EXECL -RUBY_EXTERN int execl(const char *, const char *, ...); -#endif - -#ifndef HAVE_EXECLE -RUBY_EXTERN int execle(const char *, const char *, ...); -#endif - -#ifndef HAVE_EXECV -RUBY_EXTERN int execv(const char *, char *const []); -#endif - -#ifndef HAVE_EXECVE -RUBY_EXTERN int execve(const char *, char *const [], char *const []); -#endif - -#ifndef HAVE_SHUTDOWN -RUBY_EXTERN int shutdown(int, int); -#endif - -#ifndef HAVE_SYSTEM -RUBY_EXTERN int system(const char *); -#endif - -#ifndef WNOHANG -# define WNOHANG 0 +#if defined(__cplusplus) +#if 0 +{ /* satisfy cc-mode */ #endif - -#ifndef HAVE_WAITPID -# define HAVE_WAITPID 1 -RUBY_EXTERN rb_pid_t waitpid(rb_pid_t, int *, int); +} /* extern "C" { */ #endif -RBIMPL_SYMBOL_EXPORT_END() - #endif /* RUBY_MISSING_H */ |