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-rw-r--r--include/ruby/missing.h249
1 files changed, 170 insertions, 79 deletions
diff --git a/include/ruby/missing.h b/include/ruby/missing.h
index 161d95430a..aea6c9088d 100644
--- a/include/ruby/missing.h
+++ b/include/ruby/missing.h
@@ -1,45 +1,62 @@
-/************************************************
-
- 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
+#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"
-#if defined(__cplusplus)
-extern "C" {
-#if 0
-} /* satisfy cc-mode */
+#ifdef STDC_HEADERS
+# include <stddef.h>
#endif
+
+#if defined(__cplusplus)
+# include <cmath>
+#else
+# include <math.h> /* for INFINITY and NAN */
#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
-#ifndef RUBY_SYMBOL_EXPORT_BEGIN
-# define RUBY_SYMBOL_EXPORT_BEGIN /* begin */
-# define RUBY_SYMBOL_EXPORT_END /* end */
+#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)
@@ -50,6 +67,10 @@ 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 */
@@ -63,14 +84,7 @@ struct timezone {
};
#endif
-#ifdef RUBY_EXPORT
-#undef RUBY_EXTERN
-#endif
-#ifndef RUBY_EXTERN
-#define RUBY_EXTERN extern
-#endif
-
-RUBY_SYMBOL_EXPORT_BEGIN
+RBIMPL_SYMBOL_EXPORT_BEGIN()
#ifndef HAVE_ACOSH
RUBY_EXTERN double acosh(double);
@@ -82,10 +96,6 @@ 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
@@ -94,10 +104,6 @@ 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
@@ -136,39 +142,31 @@ union bytesequence4_or_float {
};
#endif
-#ifdef INFINITY
-# define HAVE_INFINITY
-#else
+#ifndef INFINITY
/** @internal */
RUBY_EXTERN const union bytesequence4_or_float rb_infinity;
# define INFINITY (rb_infinity.float_value)
+# define USE_RB_INFINITY 1
#endif
-#ifdef NAN
-# define HAVE_NAN
-#else
+#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 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
+#ifndef HAVE_FINITE
+# define HAVE_FINITE 1
+# define finite(x) isfinite(x)
#endif
-#ifndef isnan
-# ifndef HAVE_ISNAN
-RUBY_EXTERN int isnan(double);
-# endif
+#ifndef HAVE_NAN
+RUBY_EXTERN double nan(const char *);
#endif
#ifndef HAVE_NEXTAFTER
@@ -204,12 +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
@@ -218,17 +210,13 @@ 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);
@@ -236,16 +224,119 @@ 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
-RUBY_SYMBOL_EXPORT_END
+#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
-#if defined(__cplusplus)
-#if 0
-{ /* satisfy cc-mode */
+#ifndef HAVE_TZSET
+RUBY_EXTERN void tzset(void);
#endif
-} /* extern "C" { */
+
+#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 */