343 lines
6.7 KiB
C++
343 lines
6.7 KiB
C++
#ifndef RUBY_MISSING_H /*-*-C++-*-vi:se ft=cpp:*/
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#define RUBY_MISSING_H 1
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/**
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* @author $Author$
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* @date Sat May 11 23:46:03 JST 2002
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* @copyright This file is a part of the programming language Ruby.
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* Permission is hereby granted, to either redistribute and/or
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* modify this file, provided that the conditions mentioned in the
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* file COPYING are met. Consult the file for details.
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* @brief Prototype for *.c in ./missing, and for missing timeval struct.
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*/
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#include "ruby/internal/config.h"
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#ifdef STDC_HEADERS
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# include <stddef.h>
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#endif
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#if defined(__cplusplus)
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# include <cmath>
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#else
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# include <math.h> /* for INFINITY and NAN */
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#endif
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#ifdef RUBY_ALTERNATIVE_MALLOC_HEADER
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# include RUBY_ALTERNATIVE_MALLOC_HEADER
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#endif
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#if defined(HAVE_TIME_H)
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# include <time.h>
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#endif
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#if defined(HAVE_SYS_TIME_H)
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# include <sys/time.h>
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#endif
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#ifdef HAVE_SYS_STAT_H
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# include <sys/stat.h>
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#ifdef HAVE_STDIO_H
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# include <stdio.h>
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#endif
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#ifdef HAVE_IEEEFP_H
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# include <ieeefp.h>
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#endif
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#include "ruby/internal/dllexport.h"
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#include "ruby/internal/attr/format.h"
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#ifndef M_PI
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# define M_PI 3.14159265358979323846
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#endif
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#ifndef M_PI_2
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# define M_PI_2 (M_PI/2)
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#endif
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#if !defined(HAVE_STRUCT_TIMEVAL)
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struct timeval {
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time_t tv_sec; /* seconds */
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long tv_usec; /* microseconds */
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};
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#endif /* HAVE_STRUCT_TIMEVAL */
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#if !defined(HAVE_STRUCT_TIMESPEC)
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/* :BEWARE: @shyouhei warns that IT IS A WRONG IDEA to define our own version
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* of struct timespec here. `clock_gettime` is a system call, and your kernel
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* could expect something other than just `long` (results stack smashing if
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* that happens). See also https://ewontfix.com/19/ */
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struct timespec {
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time_t tv_sec; /* seconds */
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long tv_nsec; /* nanoseconds */
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};
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#endif
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#if !defined(HAVE_STRUCT_TIMEZONE)
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struct timezone {
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int tz_minuteswest;
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int tz_dsttime;
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};
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#endif
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RBIMPL_SYMBOL_EXPORT_BEGIN()
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#ifndef HAVE_ACOSH
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RUBY_EXTERN double acosh(double);
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RUBY_EXTERN double asinh(double);
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RUBY_EXTERN double atanh(double);
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#endif
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#ifndef HAVE_CRYPT
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RUBY_EXTERN char *crypt(const char *, const char *);
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#endif
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#ifndef HAVE_EACCESS
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RUBY_EXTERN int eaccess(const char*, int);
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#endif
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#ifndef HAVE_ROUND
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RUBY_EXTERN double round(double); /* numeric.c */
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#endif
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#ifndef HAVE_FLOCK
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RUBY_EXTERN int flock(int, int);
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#endif
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/*
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#ifndef HAVE_FREXP
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RUBY_EXTERN double frexp(double, int *);
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#endif
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*/
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#ifndef HAVE_HYPOT
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RUBY_EXTERN double hypot(double, double);
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#endif
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#ifndef HAVE_ERF
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RUBY_EXTERN double erf(double);
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RUBY_EXTERN double erfc(double);
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#endif
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#ifndef HAVE_TGAMMA
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RUBY_EXTERN double tgamma(double);
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#endif
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#ifndef HAVE_LGAMMA_R
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RUBY_EXTERN double lgamma_r(double, int *);
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#endif
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#ifndef HAVE_CBRT
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RUBY_EXTERN double cbrt(double);
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#endif
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#if !defined(INFINITY) || !defined(NAN)
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union bytesequence4_or_float {
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unsigned char bytesequence[4];
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float float_value;
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};
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#endif
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#ifndef INFINITY
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/** @internal */
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RUBY_EXTERN const union bytesequence4_or_float rb_infinity;
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# define INFINITY (rb_infinity.float_value)
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# define USE_RB_INFINITY 1
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#endif
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#ifndef NAN
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/** @internal */
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RUBY_EXTERN const union bytesequence4_or_float rb_nan;
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# define NAN (rb_nan.float_value)
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# define USE_RB_NAN 1
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#endif
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#ifndef HUGE_VAL
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# define HUGE_VAL ((double)INFINITY)
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#endif
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#ifndef HAVE_FINITE
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# define HAVE_FINITE 1
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# define finite(x) isfinite(x)
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#endif
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#ifndef HAVE_NAN
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RUBY_EXTERN double nan(const char *);
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#endif
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#ifndef HAVE_NEXTAFTER
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RUBY_EXTERN double nextafter(double x, double y);
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#endif
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/*
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#ifndef HAVE_MEMCMP
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RUBY_EXTERN int memcmp(const void *, const void *, size_t);
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#endif
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*/
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#ifndef HAVE_MEMMOVE
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RUBY_EXTERN void *memmove(void *, const void *, size_t);
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#endif
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/*
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#ifndef HAVE_MODF
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RUBY_EXTERN double modf(double, double *);
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#endif
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*/
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#ifndef HAVE_STRCHR
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RUBY_EXTERN char *strchr(const char *, int);
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RUBY_EXTERN char *strrchr(const char *, int);
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#endif
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#ifndef HAVE_STRERROR
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RUBY_EXTERN char *strerror(int);
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#endif
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#ifndef HAVE_STRSTR
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RUBY_EXTERN char *strstr(const char *, const char *);
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#endif
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#ifndef HAVE_STRLCPY
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RUBY_EXTERN size_t strlcpy(char *, const char*, size_t);
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#endif
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#ifndef HAVE_STRLCAT
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RUBY_EXTERN size_t strlcat(char *, const char*, size_t);
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#endif
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#ifndef HAVE_FFS
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RUBY_EXTERN int ffs(int);
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#endif
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#ifdef BROKEN_CLOSE
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# include <sys/types.h>
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# include <sys/socket.h>
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RUBY_EXTERN int ruby_getpeername(int, struct sockaddr *, socklen_t *);
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RUBY_EXTERN int ruby_getsockname(int, struct sockaddr *, socklen_t *);
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RUBY_EXTERN int ruby_shutdown(int, int);
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RUBY_EXTERN int ruby_close(int);
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#endif
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#ifndef HAVE_SETPROCTITLE
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RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 1, 2)
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RUBY_EXTERN void setproctitle(const char *fmt, ...);
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#endif
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#ifdef HAVE_EXPLICIT_BZERO
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# /* Take that. */
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#elif defined(SecureZeroMemory)
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# define explicit_bzero(b, len) SecureZeroMemory(b, len)
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#else
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RUBY_EXTERN void explicit_bzero(void *b, size_t len);
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#endif
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#ifndef HAVE_TZSET
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RUBY_EXTERN void tzset(void);
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#endif
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#ifndef HAVE_POSIX_MADVISE
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RUBY_EXTERN int posix_madvise(void *, size_t, int);
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#endif
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#ifndef HAVE_GETEUID
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RUBY_EXTERN rb_uid_t geteuid(void);
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#endif
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#ifndef HAVE_GETUID
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RUBY_EXTERN rb_uid_t getuid(void);
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#endif
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#ifndef HAVE_GETEGID
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RUBY_EXTERN rb_gid_t getegid(void);
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#endif
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#ifndef HAVE_GETGID
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RUBY_EXTERN rb_gid_t getgid(void);
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#endif
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#ifndef HAVE_GETLOGIN
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RUBY_EXTERN char *getlogin(void);
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#endif
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#ifndef HAVE_GETPPID
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RUBY_EXTERN rb_pid_t getppid(void);
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#endif
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#ifndef HAVE_UMASK
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RUBY_EXTERN rb_mode_t umask(rb_mode_t);
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#endif
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#ifndef HAVE_CHMOD
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RUBY_EXTERN int chmod(const char *, rb_mode_t);
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#endif
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#ifndef HAVE_CHOWN
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RUBY_EXTERN int chown(const char *, rb_uid_t, rb_gid_t);
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#endif
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#ifndef HAVE_PCLOSE
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RUBY_EXTERN int pclose(FILE *);
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#endif
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#ifndef HAVE_POPEN
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RUBY_EXTERN FILE *popen(const char *, const char *);
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#endif
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#ifndef HAVE_PIPE
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RUBY_EXTERN int pipe(int [2]);
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#endif
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#ifndef HAVE_DUP
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RUBY_EXTERN int dup(int);
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#endif
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#ifndef HAVE_DUP2
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RUBY_EXTERN int dup2(int, int);
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#endif
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#ifndef HAVE_KILL
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RUBY_EXTERN int kill(rb_pid_t, int);
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#endif
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#ifndef HAVE_EXECL
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RUBY_EXTERN int execl(const char *, const char *, ...);
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#endif
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#ifndef HAVE_EXECLE
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RUBY_EXTERN int execle(const char *, const char *, ...);
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#endif
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#ifndef HAVE_EXECV
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RUBY_EXTERN int execv(const char *, char *const []);
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#endif
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#ifndef HAVE_EXECVE
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RUBY_EXTERN int execve(const char *, char *const [], char *const []);
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#endif
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#ifndef HAVE_SHUTDOWN
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RUBY_EXTERN int shutdown(int, int);
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#endif
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#ifndef HAVE_SYSTEM
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RUBY_EXTERN int system(const char *);
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#endif
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#ifndef WNOHANG
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# define WNOHANG 0
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#endif
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#ifndef HAVE_WAITPID
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# define HAVE_WAITPID 1
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RUBY_EXTERN rb_pid_t waitpid(rb_pid_t, int *, int);
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#endif
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RBIMPL_SYMBOL_EXPORT_END()
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#endif /* RUBY_MISSING_H */
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