function.c File Reference

#include <fiddle.h>

Go to the source code of this file.

Macros
#define	RB_OBJ_CLASSNAME(obj)   rb_obj_class(obj)
#define	RB_OBJ_STRING(obj)   (obj)
#define	MAX_ARGS   (SIZE_MAX / (sizeof(void *) + sizeof(fiddle_generic)) - 1)
#define	Check_Max_Args(name, len)   Check_Max_Args_(name, len, "")
#define	Check_Max_Args_Long(name, len)   Check_Max_Args_(name, len, "l")
#define	Check_Max_Args_(name, len, fmt)

Functions
static void	deallocate (void *p)
static size_t	function_memsize (const void *p)
static VALUE	allocate (VALUE klass)
VALUE	rb_fiddle_new_function (VALUE address, VALUE arg_types, VALUE ret_type)
static int	parse_keyword_arg_i (VALUE key, VALUE value, VALUE self)
static VALUE	initialize (int argc, VALUE argv[], VALUE self)
static VALUE	function_call (int argc, VALUE argv[], VALUE self)
void	Init_fiddle_function (void)

Variables
VALUE	cFiddleFunction
const rb_data_type_t	function_data_type

Macro Definition Documentation

#define Check_Max_Args	(		name,
			len
	)		Check_Max_Args_(name, len, "")

Definition at line 16 of file function.c.

Referenced by function_call().

#define Check_Max_Args_	(		name,
			len,
			fmt
	)

Value:

if ((size_t)(len) < MAX_ARGS) { \
        /* OK */ \
    } \
    else { \
	rb_raise(rb_eTypeError, \
                 name" is so large that it can cause integer overflow (%"fmt"d)", \
                 (len)); \
    }

Definition at line 20 of file function.c.

#define Check_Max_Args_Long	(		name,
			len
	)		Check_Max_Args_(name, len, "l")

Definition at line 18 of file function.c.

Referenced by initialize().

#define MAX_ARGS   (SIZE_MAX / (sizeof(void *) + sizeof(fiddle_generic)) - 1)

Definition at line 14 of file function.c.

#define RB_OBJ_CLASSNAME

(

obj

)

rb_obj_class(obj)

Definition at line 4 of file function.c.

#define RB_OBJ_STRING

(

obj

)

(obj)

Definition at line 5 of file function.c.

Referenced by parse_keyword_arg_i().

Function Documentation

static VALUE allocate ( VALUE  klass )

static

Definition at line 59 of file function.c.

References TypedData_Make_Struct.

Referenced by Init_fiddle_function().

static void deallocate ( void *  p )

static

Definition at line 31 of file function.c.

References p, and xfree().

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

static

Definition at line 149 of file function.c.

References ALLOCV, ALLOCV_END, argc, Check_Max_Args, CLASS_OF, errno, FIX2INT, GENERIC2VALUE, i, INT2NUM, mFiddle, NIL_P, NULL, NUM2PTR, OBJ_TAINTED, RARRAY_LENINT, RARRAY_PTR, rb_const_get(), rb_eArgError, rb_eSecurityError, rb_funcall(), rb_Integer(), rb_intern, rb_iv_get(), rb_raise(), rb_safe_level, type, TYPE_VOIDP, TypedData_Get_Struct, and VALUE2GENERIC.

Referenced by Init_fiddle_function().

static size_t function_memsize ( const void *  p )

static

Definition at line 39 of file function.c.

References size.

void Init_fiddle_function

(

void

)

Definition at line 216 of file function.c.

References allocate(), cFiddleFunction, function_call(), initialize(), INT2NUM, mFiddle, rb_cObject, rb_define_alloc_func(), rb_define_class_under(), rb_define_const(), and rb_define_method().

Referenced by Init_fiddle().

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

static

Definition at line 91 of file function.c.

References args, Check_Max_Args_Long, Check_Type, i, INT2FFI_TYPE, INT2FIX, NIL_P, NULL, NUM2INT, NUM2PTR, OBJ_FREEZE, parse_keyword_arg_i(), PTR2NUM, RARRAY_LEN, RARRAY_LENINT, RARRAY_PTR, rb_ary_store(), rb_ary_subseq(), rb_eRuntimeError, rb_hash_foreach(), rb_Integer(), rb_iv_set(), rb_raise(), rb_scan_args(), result, T_ARRAY, type, TypedData_Get_Struct, and xcalloc.

Referenced by Init_fiddle_function().

static int parse_keyword_arg_i ( VALUE  key, VALUE  value, VALUE  self  )

static

Definition at line 79 of file function.c.

References ID2SYM, PRIsVALUE, rb_eArgError, rb_intern, rb_iv_set(), RB_OBJ_STRING, rb_raise(), and ST_CONTINUE.

Referenced by initialize().

VALUE rb_fiddle_new_function	(	VALUE	address,
		VALUE	arg_types,
		VALUE	ret_type
	)

Definition at line 67 of file function.c.

References argv, cFiddleFunction, and rb_class_new_instance().

Referenced by rb_fiddle_ptr_free_get().

Variable Documentation

VALUE cFiddleFunction

Definition at line 12 of file function.c.

Referenced by Init_fiddle_function(), and rb_fiddle_new_function().

const rb_data_type_t function_data_type

Initial value:

= {
    "fiddle/function",
    {0, deallocate, function_memsize,},
}

Definition at line 53 of file function.c.