diff options
Diffstat (limited to 'include/ruby/missing.h')
| -rw-r--r-- | include/ruby/missing.h | 277 |
1 files changed, 207 insertions, 70 deletions
diff --git a/include/ruby/missing.h b/include/ruby/missing.h index 660edb529d..aea6c9088d 100644 --- a/include/ruby/missing.h +++ b/include/ruby/missing.h @@ -1,43 +1,76 @@ -/************************************************ +#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" - missing.h - prototype for *.c in ./missing, and - for missing timeval struct +#ifdef STDC_HEADERS +# include <stddef.h> +#endif - $Author$ - created at: Sat May 11 23:46:03 JST 2002 +#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 -#ifndef RUBY_MISSING_H -#define RUBY_MISSING_H 1 +#if defined(HAVE_TIME_H) +# include <time.h> +#endif -#if defined(__cplusplus) -extern "C" { -#if 0 -} /* satisfy cc-mode */ +#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 -#include "ruby/config.h" -#include <stddef.h> -#ifdef RUBY_EXTCONF_H -#include RUBY_EXTCONF_H +#ifdef HAVE_STDIO_H +# include <stdio.h> #endif -#if defined(HAVE_SYS_TIME_H) -# include <sys/time.h> -#elif !defined(_WIN32) -# define time_t long +#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) 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) +/* :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 */ @@ -51,16 +84,7 @@ struct timezone { }; #endif -#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 +RBIMPL_SYMBOL_EXPORT_BEGIN() #ifndef HAVE_ACOSH RUBY_EXTERN double acosh(double); @@ -72,16 +96,12 @@ 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 -#ifndef HAVE_FINITE -RUBY_EXTERN int finite(double); +#ifndef HAVE_ROUND +RUBY_EXTERN double round(double); /* numeric.c */ #endif #ifndef HAVE_FLOCK @@ -115,20 +135,42 @@ RUBY_EXTERN double lgamma_r(double, int *); RUBY_EXTERN double cbrt(double); #endif -#ifndef isinf -# ifndef HAVE_ISINF -# if defined(HAVE_FINITE) && defined(HAVE_ISNAN) -# define isinf(x) (!finite(x) && !isnan(x)) -# else -RUBY_EXTERN int isinf(double); -# endif -# 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 isnan -# ifndef HAVE_ISNAN -RUBY_EXTERN int isnan(double); -# 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 + +#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); #endif /* @@ -160,12 +202,6 @@ 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 @@ -174,32 +210,133 @@ 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); RUBY_EXTERN int ruby_close(int); #endif -#if defined __GNUC__ && __GNUC__ >= 4 -#pragma GCC visibility pop +#ifndef HAVE_SETPROCTITLE +RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 1, 2) +RUBY_EXTERN void setproctitle(const char *fmt, ...); #endif -#if defined(__cplusplus) -#if 0 -{ /* satisfy cc-mode */ +#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 -} /* extern "C" { */ + +#ifndef HAVE_TZSET +RUBY_EXTERN void tzset(void); #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 +#endif + +#ifndef HAVE_WAITPID +# define HAVE_WAITPID 1 +RUBY_EXTERN rb_pid_t waitpid(rb_pid_t, int *, int); +#endif + +RBIMPL_SYMBOL_EXPORT_END() + #endif /* RUBY_MISSING_H */ |