From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/ext/fiddle/fiddle.h | 138 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 138 insertions(+)
 create mode 100644 jni/ruby/ext/fiddle/fiddle.h

(limited to 'jni/ruby/ext/fiddle/fiddle.h')

diff --git a/jni/ruby/ext/fiddle/fiddle.h b/jni/ruby/ext/fiddle/fiddle.h
new file mode 100644
index 0000000..d2583c1
--- /dev/null
+++ b/jni/ruby/ext/fiddle/fiddle.h
@@ -0,0 +1,138 @@
+#ifndef FIDDLE_H
+#define FIDDLE_H
+
+#include <ruby.h>
+#include <errno.h>
+
+#if defined(_WIN32)
+#include <windows.h>
+#endif
+
+#ifdef HAVE_SYS_MMAN_H
+#include <sys/mman.h>
+#endif
+
+#if defined(HAVE_DLFCN_H)
+# include <dlfcn.h>
+# /* some stranger systems may not define all of these */
+#ifndef RTLD_LAZY
+#define RTLD_LAZY 0
+#endif
+#ifndef RTLD_GLOBAL
+#define RTLD_GLOBAL 0
+#endif
+#ifndef RTLD_NOW
+#define RTLD_NOW 0
+#endif
+#else
+# if defined(_WIN32)
+#   include <windows.h>
+#   define dlopen(name,flag) ((void*)LoadLibrary(name))
+#   define dlerror() strerror(rb_w32_map_errno(GetLastError()))
+#   define dlsym(handle,name) ((void*)GetProcAddress((handle),(name)))
+#   define RTLD_LAZY -1
+#   define RTLD_NOW  -1
+#   define RTLD_GLOBAL -1
+# endif
+#endif
+
+#ifdef USE_HEADER_HACKS
+#include <ffi/ffi.h>
+#else
+#include <ffi.h>
+#endif
+
+#undef ffi_type_uchar
+#undef ffi_type_schar
+#undef ffi_type_ushort
+#undef ffi_type_sshort
+#undef ffi_type_uint
+#undef ffi_type_sint
+#undef ffi_type_ulong
+#undef ffi_type_slong
+
+#if CHAR_BIT == 8
+# define ffi_type_uchar ffi_type_uint8
+# define ffi_type_schar ffi_type_sint8
+#else
+# error "CHAR_BIT not supported"
+#endif
+
+# if SIZEOF_SHORT == 2
+#  define ffi_type_ushort ffi_type_uint16
+#  define ffi_type_sshort ffi_type_sint16
+# elif SIZEOF_SHORT == 4
+#  define ffi_type_ushort ffi_type_uint32
+#  define ffi_type_sshort ffi_type_sint32
+# else
+#  error "short size not supported"
+# endif
+
+# if SIZEOF_INT == 2
+#  define ffi_type_uint	ffi_type_uint16
+#  define ffi_type_sint	ffi_type_sint16
+# elif SIZEOF_INT == 4
+#  define ffi_type_uint	ffi_type_uint32
+#  define ffi_type_sint	ffi_type_sint32
+# elif SIZEOF_INT == 8
+#  define ffi_type_uint	ffi_type_uint64
+#  define ffi_type_sint	ffi_type_sint64
+# else
+#  error "int size not supported"
+# endif
+
+# if SIZEOF_LONG == 4
+#  define ffi_type_ulong ffi_type_uint32
+#  define ffi_type_slong ffi_type_sint32
+# elif SIZEOF_LONG == 8
+#  define ffi_type_ulong ffi_type_uint64
+#  define ffi_type_slong ffi_type_sint64
+# else
+#  error "long size not supported"
+# endif
+
+#if HAVE_LONG_LONG
+# if SIZEOF_LONG_LONG == 8
+#   define ffi_type_slong_long ffi_type_sint64
+#   define ffi_type_ulong_long ffi_type_uint64
+# else
+#  error "long long size not supported"
+# endif
+#endif
+
+#include <closure.h>
+#include <conversions.h>
+#include <function.h>
+
+#define TYPE_VOID  0
+#define TYPE_VOIDP 1
+#define TYPE_CHAR  2
+#define TYPE_SHORT 3
+#define TYPE_INT   4
+#define TYPE_LONG  5
+#if HAVE_LONG_LONG
+#define TYPE_LONG_LONG 6
+#endif
+#define TYPE_FLOAT 7
+#define TYPE_DOUBLE 8
+
+#define ALIGN_OF(type) offsetof(struct {char align_c; type align_x;}, align_x)
+
+#define ALIGN_VOIDP  ALIGN_OF(void*)
+#define ALIGN_SHORT  ALIGN_OF(short)
+#define ALIGN_CHAR   ALIGN_OF(char)
+#define ALIGN_INT    ALIGN_OF(int)
+#define ALIGN_LONG   ALIGN_OF(long)
+#if HAVE_LONG_LONG
+#define ALIGN_LONG_LONG ALIGN_OF(LONG_LONG)
+#endif
+#define ALIGN_FLOAT  ALIGN_OF(float)
+#define ALIGN_DOUBLE ALIGN_OF(double)
+
+extern VALUE mFiddle;
+extern VALUE rb_eFiddleError;
+
+VALUE rb_fiddle_new_function(VALUE address, VALUE arg_types, VALUE ret_type);
+
+#endif
+/* vim: set noet sws=4 sw=4: */
-- 
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