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-rw-r--r--include/ruby/missing.h244
1 files changed, 85 insertions, 159 deletions
diff --git a/include/ruby/missing.h b/include/ruby/missing.h
index aea6c9088d..4b88c9ea07 100644
--- a/include/ruby/missing.h
+++ b/include/ruby/missing.h
@@ -1,57 +1,42 @@
-#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
+#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_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
@@ -59,6 +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 */
@@ -67,10 +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 */
@@ -84,7 +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);
@@ -96,6 +89,10 @@ 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 +101,10 @@ 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
@@ -135,7 +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;
@@ -146,27 +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)
+#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
-#ifndef HAVE_FINITE
-# define HAVE_FINITE 1
-# define finite(x) isfinite(x)
+#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 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
@@ -210,13 +228,17 @@ 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 +246,23 @@ 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
+#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
-#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
+RUBY_SYMBOL_EXPORT_END
-#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 *);
+#if defined(__cplusplus)
+#if 0
+{ /* satisfy cc-mode */
#endif
-
-#ifndef WNOHANG
-# define WNOHANG 0
+} /* extern "C" { */
#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 */