ext/fiddle/pointer.c File Reference

#include <ruby/ruby.h>
#include <ruby/io.h>
#include <ctype.h>
#include <fiddle.h>

Go to the source code of this file.

Data Structures

struct  ptr_data

Defines

#define RB_OBJ_CLASSNAME(obj)   rb_obj_class(obj)
#define RB_OBJ_STRING(obj)   (obj)
#define RPTR_DATA(obj)   ((struct ptr_data *)(DATA_PTR(obj)))

Typedefs

typedef void(* freefunc_t )(void *)

Functions

static freefunc_t get_freefunc (VALUE func, volatile VALUE *wrap)
static void fiddle_ptr_mark (void *ptr)
static void fiddle_ptr_free (void *ptr)
static size_t fiddle_ptr_memsize (const void *ptr)
static VALUE rb_fiddle_ptr_new2 (VALUE klass, void *ptr, long size, freefunc_t func)
static VALUE rb_fiddle_ptr_new (void *ptr, long size, freefunc_t func)
static VALUE rb_fiddle_ptr_malloc (long size, freefunc_t func)
static void * rb_fiddle_ptr2cptr (VALUE val)
static VALUE rb_fiddle_ptr_s_allocate (VALUE klass)
static VALUE rb_fiddle_ptr_initialize (int argc, VALUE argv[], VALUE self)
static VALUE rb_fiddle_ptr_s_malloc (int argc, VALUE argv[], VALUE klass)
static VALUE rb_fiddle_ptr_to_i (VALUE self)
static VALUE rb_fiddle_ptr_to_value (VALUE self)
static VALUE rb_fiddle_ptr_ptr (VALUE self)
static VALUE rb_fiddle_ptr_ref (VALUE self)
static VALUE rb_fiddle_ptr_null_p (VALUE self)
static VALUE rb_fiddle_ptr_free_set (VALUE self, VALUE val)
static VALUE rb_fiddle_ptr_free_get (VALUE self)
static VALUE rb_fiddle_ptr_to_s (int argc, VALUE argv[], VALUE self)
static VALUE rb_fiddle_ptr_to_str (int argc, VALUE argv[], VALUE self)
static VALUE rb_fiddle_ptr_inspect (VALUE self)
static VALUE rb_fiddle_ptr_eql (VALUE self, VALUE other)
static VALUE rb_fiddle_ptr_cmp (VALUE self, VALUE other)
static VALUE rb_fiddle_ptr_plus (VALUE self, VALUE other)
static VALUE rb_fiddle_ptr_minus (VALUE self, VALUE other)
static VALUE rb_fiddle_ptr_aref (int argc, VALUE argv[], VALUE self)
static VALUE rb_fiddle_ptr_aset (int argc, VALUE argv[], VALUE self)
static VALUE rb_fiddle_ptr_size_set (VALUE self, VALUE size)
static VALUE rb_fiddle_ptr_size_get (VALUE self)
static VALUE rb_fiddle_ptr_s_to_ptr (VALUE self, VALUE val)
void Init_fiddle_pointer (void)

Variables

VALUE rb_cPointer
static ID id_to_ptr
static const rb_data_type_t fiddle_ptr_data_type

Define Documentation

#define RB_OBJ_CLASSNAME ( obj   )     rb_obj_class(obj)

Definition at line 11 of file pointer.c.

#define RB_OBJ_STRING ( obj   )     (obj)

Definition at line 12 of file pointer.c.

#define RPTR_DATA ( obj   )     ((struct ptr_data *)(DATA_PTR(obj)))

Definition at line 30 of file pointer.c.

Typedef Documentation

typedef void(* freefunc_t)(void *)

Definition at line 21 of file pointer.c.

Function Documentation

static void fiddle_ptr_free ( void *  ptr  )  [static]

Definition at line 60 of file pointer.c.

References ptr_data::free, ptr_data::ptr, and xfree.

static void fiddle_ptr_mark ( void *  ptr  )  [static]

Definition at line 48 of file pointer.c.

References rb_gc_mark(), and ptr_data::wrap.

static size_t fiddle_ptr_memsize ( const void *  ptr  )  [static]

Definition at line 72 of file pointer.c.

References ptr_data::size.

static freefunc_t get_freefunc ( VALUE  func,
volatile VALUE *  wrap 
) [inline, static]

Definition at line 33 of file pointer.c.

References NIL_P, NULL, NUM2PTR, and rb_Integer().

Referenced by rb_fiddle_ptr_free_set(), rb_fiddle_ptr_initialize(), and rb_fiddle_ptr_s_malloc().

void Init_fiddle_pointer ( void   ) 

Definition at line 681 of file pointer.c.

References id_to_ptr, mFiddle, rb_cObject, rb_cPointer, rb_define_alloc_func(), rb_define_class_under(), rb_define_const(), rb_define_method(), rb_define_singleton_method(), rb_fiddle_ptr_aref(), rb_fiddle_ptr_aset(), rb_fiddle_ptr_cmp(), rb_fiddle_ptr_eql(), rb_fiddle_ptr_free_get(), rb_fiddle_ptr_free_set(), rb_fiddle_ptr_initialize(), rb_fiddle_ptr_inspect(), rb_fiddle_ptr_minus(), rb_fiddle_ptr_new(), rb_fiddle_ptr_null_p(), rb_fiddle_ptr_plus(), rb_fiddle_ptr_ptr(), rb_fiddle_ptr_ref(), rb_fiddle_ptr_s_allocate(), rb_fiddle_ptr_s_malloc(), rb_fiddle_ptr_s_to_ptr(), rb_fiddle_ptr_size_get(), rb_fiddle_ptr_size_set(), rb_fiddle_ptr_to_i(), rb_fiddle_ptr_to_s(), rb_fiddle_ptr_to_str(), rb_fiddle_ptr_to_value(), and rb_intern.

Referenced by Init_fiddle().

static void* rb_fiddle_ptr2cptr ( VALUE  val  )  [static]

Definition at line 117 of file pointer.c.

References fiddle_ptr_data_type, NULL, ptr_data::ptr, Qnil, rb_cPointer, rb_eTypeError, rb_obj_is_kind_of(), rb_raise(), and TypedData_Get_Struct.

Referenced by rb_fiddle_ptr_aset(), rb_fiddle_ptr_cmp(), rb_fiddle_ptr_eql(), rb_fiddle_ptr_minus(), and rb_fiddle_ptr_plus().

static VALUE rb_fiddle_ptr_aref ( int  argc,
VALUE  argv[],
VALUE  self 
) [static]

Definition at line 540 of file pointer.c.

References fiddle_ptr_data_type, INT2NUM, NUM2ULONG, ptr_data::ptr, Qnil, rb_bug(), rb_eFiddleError, rb_raise(), rb_scan_args(), and TypedData_Get_Struct.

Referenced by Init_fiddle_pointer().

static VALUE rb_fiddle_ptr_aset ( int  argc,
VALUE  argv[],
VALUE  self 
) [static]

Definition at line 577 of file pointer.c.

References fiddle_ptr_data_type, NUM2PTR, NUM2UINT, NUM2ULONG, ptr_data::ptr, Qnil, rb_bug(), rb_cPointer, rb_eFiddleError, rb_fiddle_ptr2cptr(), rb_obj_is_kind_of(), rb_raise(), rb_scan_args(), RB_TYPE_P, StringValuePtr, T_STRING, and TypedData_Get_Struct.

Referenced by Init_fiddle_pointer().

static VALUE rb_fiddle_ptr_cmp ( VALUE  self,
VALUE  other 
) [static]

Definition at line 479 of file pointer.c.

References diff(), INT2FIX, INT2NUM, Qnil, rb_cPointer, rb_fiddle_ptr2cptr(), rb_obj_is_kind_of(), and SIGNED_VALUE.

Referenced by Init_fiddle_pointer().

static VALUE rb_fiddle_ptr_eql ( VALUE  self,
VALUE  other 
) [static]

Definition at line 458 of file pointer.c.

References Qfalse, Qtrue, rb_cPointer, rb_fiddle_ptr2cptr(), and rb_obj_is_kind_of().

Referenced by Init_fiddle_pointer().

static VALUE rb_fiddle_ptr_free_get ( VALUE  self  )  [static]

Definition at line 337 of file pointer.c.

References fiddle_ptr_data_type, ptr_data::free, INT2NUM, PTR2NUM, Qnil, rb_ary_new(), rb_ary_push(), rb_fiddle_new_function(), TYPE_VOID, TYPE_VOIDP, and TypedData_Get_Struct.

Referenced by Init_fiddle_pointer().

static VALUE rb_fiddle_ptr_free_set ( VALUE  self,
VALUE  val 
) [static]

Definition at line 317 of file pointer.c.

References fiddle_ptr_data_type, ptr_data::free, get_freefunc(), Qnil, TypedData_Get_Struct, and ptr_data::wrap.

Referenced by Init_fiddle_pointer().

static VALUE rb_fiddle_ptr_initialize ( int  argc,
VALUE  argv[],
VALUE  self 
) [static]

Definition at line 162 of file pointer.c.

References f, fiddle_ptr_data_type, ptr_data::free, get_freefunc(), NULL, NUM2LONG, NUM2PTR, ptr_data::ptr, Qnil, rb_Integer(), rb_scan_args(), ptr_data::size, size, sym, TypedData_Get_Struct, and ptr_data::wrap.

Referenced by Init_fiddle_pointer().

static VALUE rb_fiddle_ptr_inspect ( VALUE  self  )  [static]

Definition at line 440 of file pointer.c.

References fiddle_ptr_data_type, ptr_data::free, PRIsVALUE, ptr_data::ptr, RB_OBJ_CLASSNAME, rb_sprintf(), ptr_data::size, and TypedData_Get_Struct.

Referenced by Init_fiddle_pointer().

static VALUE rb_fiddle_ptr_malloc ( long  size,
freefunc_t  func 
) [static]

Definition at line 106 of file pointer.c.

References ptr_data::ptr, rb_fiddle_ptr_new(), rb_secure(), and ruby_xmalloc().

Referenced by rb_fiddle_ptr_s_malloc().

static VALUE rb_fiddle_ptr_minus ( VALUE  self,
VALUE  other 
) [static]

Definition at line 518 of file pointer.c.

References NUM2LONG, ptr_data::ptr, rb_fiddle_ptr2cptr(), rb_fiddle_ptr_new(), RPTR_DATA, and size.

Referenced by Init_fiddle_pointer().

static VALUE rb_fiddle_ptr_new ( void *  ptr,
long  size,
freefunc_t  func 
) [static]

Definition at line 100 of file pointer.c.

References rb_cPointer, and rb_fiddle_ptr_new2().

Referenced by Init_fiddle_pointer(), rb_fiddle_ptr_malloc(), rb_fiddle_ptr_minus(), rb_fiddle_ptr_plus(), rb_fiddle_ptr_ptr(), rb_fiddle_ptr_ref(), and rb_fiddle_ptr_s_to_ptr().

static VALUE rb_fiddle_ptr_new2 ( VALUE  klass,
void *  ptr,
long  size,
freefunc_t  func 
) [static]

Definition at line 84 of file pointer.c.

References fiddle_ptr_data_type, ptr_data::free, OBJ_TAINT, ptr_data::ptr, rb_secure(), ptr_data::size, TypedData_Make_Struct, and val.

Referenced by rb_fiddle_ptr_new().

static VALUE rb_fiddle_ptr_null_p ( VALUE  self  )  [static]

Definition at line 302 of file pointer.c.

References fiddle_ptr_data_type, ptr_data::ptr, Qfalse, Qtrue, and TypedData_Get_Struct.

Referenced by Init_fiddle_pointer().

static VALUE rb_fiddle_ptr_plus ( VALUE  self,
VALUE  other 
) [static]

Definition at line 500 of file pointer.c.

References NUM2LONG, ptr_data::ptr, rb_fiddle_ptr2cptr(), rb_fiddle_ptr_new(), RPTR_DATA, and size.

Referenced by Init_fiddle_pointer().

static VALUE rb_fiddle_ptr_ptr ( VALUE  self  )  [static]

Definition at line 271 of file pointer.c.

References fiddle_ptr_data_type, ptr_data::ptr, rb_fiddle_ptr_new(), and TypedData_Get_Struct.

Referenced by Init_fiddle_pointer().

static VALUE rb_fiddle_ptr_ref ( VALUE  self  )  [static]

Definition at line 288 of file pointer.c.

References fiddle_ptr_data_type, ptr_data::ptr, rb_fiddle_ptr_new(), and TypedData_Get_Struct.

Referenced by Init_fiddle_pointer().

static VALUE rb_fiddle_ptr_s_allocate ( VALUE  klass  )  [static]

Definition at line 137 of file pointer.c.

References fiddle_ptr_data_type, ptr_data::free, ptr_data::ptr, rb_secure(), ptr_data::size, and TypedData_Make_Struct.

Referenced by Init_fiddle_pointer().

static VALUE rb_fiddle_ptr_s_malloc ( int  argc,
VALUE  argv[],
VALUE  klass 
) [static]

Definition at line 210 of file pointer.c.

References f, get_freefunc(), NULL, NUM2LONG, rb_bug(), rb_fiddle_ptr_malloc(), rb_scan_args(), RPTR_DATA, size, sym, and ptr_data::wrap.

Referenced by Init_fiddle_pointer().

static VALUE rb_fiddle_ptr_s_to_ptr ( VALUE  self,
VALUE  val 
) [static]

Definition at line 646 of file pointer.c.

References GetOpenFile, id_to_ptr, NULL, NUM2PTR, OBJ_INFECT, ptr_data::ptr, Qundef, rb_check_funcall(), rb_cIO, rb_cPointer, rb_cString, rb_eFiddleError, rb_fiddle_ptr_new(), rb_Integer(), rb_io_stdio_file(), rb_obj_is_kind_of(), rb_raise(), RPTR_DATA, RSTRING_LEN, RTEST, StringValuePtr, and ptr_data::wrap.

Referenced by Init_fiddle_pointer().

static VALUE rb_fiddle_ptr_size_get ( VALUE  self  )  [static]

Definition at line 632 of file pointer.c.

References LONG2NUM, RPTR_DATA, and size.

Referenced by Init_fiddle_pointer().

static VALUE rb_fiddle_ptr_size_set ( VALUE  self,
VALUE  size 
) [static]

Definition at line 620 of file pointer.c.

References NUM2LONG, and RPTR_DATA.

Referenced by Init_fiddle_pointer().

static VALUE rb_fiddle_ptr_to_i ( VALUE  self  )  [static]

Definition at line 241 of file pointer.c.

References fiddle_ptr_data_type, ptr_data::ptr, PTR2NUM, and TypedData_Get_Struct.

Referenced by Init_fiddle_pointer().

static VALUE rb_fiddle_ptr_to_s ( int  argc,
VALUE  argv[],
VALUE  self 
) [static]

Definition at line 373 of file pointer.c.

References fiddle_ptr_data_type, NUM2INT, ptr_data::ptr, rb_bug(), rb_scan_args(), rb_tainted_str_new2, TypedData_Get_Struct, and val.

Referenced by Init_fiddle_pointer().

static VALUE rb_fiddle_ptr_to_str ( int  argc,
VALUE  argv[],
VALUE  self 
) [static]

Definition at line 411 of file pointer.c.

References fiddle_ptr_data_type, NUM2INT, ptr_data::ptr, rb_bug(), rb_scan_args(), ptr_data::size, TypedData_Get_Struct, and val.

Referenced by Init_fiddle_pointer().

static VALUE rb_fiddle_ptr_to_value ( VALUE  self  )  [static]

Definition at line 255 of file pointer.c.

References fiddle_ptr_data_type, ptr_data::ptr, and TypedData_Get_Struct.

Referenced by Init_fiddle_pointer().

Variable Documentation

const rb_data_type_t fiddle_ptr_data_type [static]
Initial value:
 {
    "fiddle/pointer",
    {fiddle_ptr_mark, fiddle_ptr_free, fiddle_ptr_memsize,},
}

Definition at line 78 of file pointer.c.

Referenced by rb_fiddle_ptr2cptr(), rb_fiddle_ptr_aref(), rb_fiddle_ptr_aset(), rb_fiddle_ptr_free_get(), rb_fiddle_ptr_free_set(), rb_fiddle_ptr_initialize(), rb_fiddle_ptr_inspect(), rb_fiddle_ptr_new2(), rb_fiddle_ptr_null_p(), rb_fiddle_ptr_ptr(), rb_fiddle_ptr_ref(), rb_fiddle_ptr_s_allocate(), rb_fiddle_ptr_to_i(), rb_fiddle_ptr_to_s(), rb_fiddle_ptr_to_str(), and rb_fiddle_ptr_to_value().

ID id_to_ptr [static]

Definition at line 45 of file pointer.c.

Referenced by Init_fiddle_pointer(), and rb_fiddle_ptr_s_to_ptr().

VALUE rb_cPointer

Definition at line 19 of file pointer.c.

Referenced by Init_fiddle_pointer(), rb_fiddle_ptr2cptr(), rb_fiddle_ptr_aset(), rb_fiddle_ptr_cmp(), rb_fiddle_ptr_eql(), rb_fiddle_ptr_new(), and rb_fiddle_ptr_s_to_ptr().

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