1 files changed, 278 insertions, 0 deletions
diff --git a/include/ruby/missing.h b/include/ruby/missing.h
new file mode 100644
index 0000000000..03657042ce
--- /dev/null
+++ b/include/ruby/missing.h
@@ -0,0 +1,278 @@
+/************************************************
+
+  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)
+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
+#endif
+
+#ifndef M_PI
+# define M_PI 3.14159265358979323846
+#endif
+#ifndef M_PI_2
+# 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 */
+    long tv_usec;	/* microseconds */
+};
+#endif /* HAVE_STRUCT_TIMEVAL */
+
+#if !defined(HAVE_STRUCT_TIMESPEC)
+struct timespec {
+    time_t tv_sec;	/* seconds */
+    long tv_nsec;	/* nanoseconds */
+};
+#endif
+
+#if !defined(HAVE_STRUCT_TIMEZONE)
+struct timezone {
+    int tz_minuteswest;
+    int tz_dsttime;
+};
+#endif
+
+#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);
+RUBY_EXTERN double asinh(double);
+RUBY_EXTERN double atanh(double);
+#endif
+
+#ifndef HAVE_CRYPT
+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_ROUND
+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
+
+/*
+#ifndef HAVE_FREXP
+RUBY_EXTERN double frexp(double, int *);
+#endif
+*/
+
+#ifndef HAVE_HYPOT
+RUBY_EXTERN double hypot(double, double);
+#endif
+
+#ifndef HAVE_ERF
+RUBY_EXTERN double erf(double);
+RUBY_EXTERN double erfc(double);
+#endif
+
+#ifndef HAVE_TGAMMA
+RUBY_EXTERN double tgamma(double);
+#endif
+
+#ifndef HAVE_LGAMMA_R
+RUBY_EXTERN double lgamma_r(double, int *);
+#endif
+
+#ifndef HAVE_CBRT
+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
+/** @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)
+#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))
+#  elif defined(__cplusplus) && __cplusplus >= 201103L
+#    include <cmath> // it must include constexpr bool isinf(double);
+#  else
+RUBY_EXTERN int isinf(double);
+#  endif
+# endif
+#endif
+
+#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 isfinite
+# ifndef HAVE_ISFINITE
+#   define HAVE_ISFINITE 1
+#   define isfinite(x) finite(x)
+# endif
+#endif
+
+#ifndef HAVE_NAN
+RUBY_EXTERN double nan(const char *);
+#endif
+
+#ifndef HAVE_NEXTAFTER
+RUBY_EXTERN double nextafter(double x, double y);
+#endif
+
+/*
+#ifndef HAVE_MEMCMP
+RUBY_EXTERN int memcmp(const void *, const void *, size_t);
+#endif
+*/
+
+#ifndef HAVE_MEMMOVE
+RUBY_EXTERN void *memmove(void *, const void *, size_t);
+#endif
+
+/*
+#ifndef HAVE_MODF
+RUBY_EXTERN double modf(double, double *);
+#endif
+*/
+
+#ifndef HAVE_STRCHR
+RUBY_EXTERN char *strchr(const char *, int);
+RUBY_EXTERN char *strrchr(const char *, int);
+#endif
+
+#ifndef HAVE_STRERROR
+RUBY_EXTERN char *strerror(int);
+#endif
+
+#ifndef HAVE_STRSTR
+RUBY_EXTERN char *strstr(const char *, const char *);
+#endif
+
+#ifndef HAVE_STRLCPY
+RUBY_EXTERN size_t strlcpy(char *, const char*, size_t);
+#endif
+
+#ifndef HAVE_STRLCAT
+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>
+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
+
+#ifndef HAVE_SETPROCTITLE
+RUBY_EXTERN void setproctitle(const char *fmt, ...);
+#endif
+
+#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
+
+RUBY_SYMBOL_EXPORT_END
+
+#if defined(__cplusplus)
+#if 0
+{ /* satisfy cc-mode */
+#endif
+}  /* extern "C" { */
+#endif
+
+#endif /* RUBY_MISSING_H */