Ruby 2.0.0p353(2013-11-22revision43784)

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Functions | Variables
cptr.c File Reference
`#include <ruby/ruby.h>`
`#include <ruby/io.h>`
`#include <ctype.h>`
`#include "dl.h"`
Include dependency graph for cptr.c:

Go to the source code of this file.

## Functions
static freefunc_t | get_freefunc (VALUE func, volatile VALUE *wrap)
static void | dlptr_mark (void *ptr)
static void | dlptr_free (void *ptr)
static size_t | dlptr_memsize (const void *ptr)
VALUE | rb_dlptr_new2 (VALUE klass, void *ptr, long size, freefunc_t func)
VALUE | rb_dlptr_new (void *ptr, long size, freefunc_t func)
VALUE | rb_dlptr_malloc (long size, freefunc_t func)
void * | rb_dlptr2cptr (VALUE val)
static VALUE | rb_dlptr_s_allocate (VALUE klass)
static VALUE | rb_dlptr_initialize (int argc, VALUE argv[], VALUE self)
static VALUE | rb_dlptr_s_malloc (int argc, VALUE argv[], VALUE klass)
static VALUE | rb_dlptr_to_i (VALUE self)
static VALUE | rb_dlptr_to_value (VALUE self)
VALUE | rb_dlptr_ptr (VALUE self)
VALUE | rb_dlptr_ref (VALUE self)
VALUE | rb_dlptr_null_p (VALUE self)
static VALUE | rb_dlptr_free_set (VALUE self, VALUE val)
static VALUE | rb_dlptr_free_get (VALUE self)
static VALUE | rb_dlptr_to_s (int argc, VALUE argv[], VALUE self)
static VALUE | rb_dlptr_to_str (int argc, VALUE argv[], VALUE self)
static VALUE | rb_dlptr_inspect (VALUE self)
VALUE | rb_dlptr_eql (VALUE self, VALUE other)
static VALUE | rb_dlptr_cmp (VALUE self, VALUE other)
static VALUE | rb_dlptr_plus (VALUE self, VALUE other)
static VALUE | rb_dlptr_minus (VALUE self, VALUE other)
VALUE | rb_dlptr_aref (int argc, VALUE argv[], VALUE self)
VALUE | rb_dlptr_aset (int argc, VALUE argv[], VALUE self)
static VALUE | rb_dlptr_size_set (VALUE self, VALUE size)
static VALUE | rb_dlptr_size_get (VALUE self)
static VALUE | rb_dlptr_s_to_ptr (VALUE self, VALUE val)
void | Init_dlptr (void)

## Variables
VALUE | rb_cDLCPtr
static ID | id_to_ptr
static const rb_data_type_t | dlptr_data_type

## Function Documentation

static void dlptr_free | ( | void * | ptr | ) |
| static

Definition at line 44 of file cptr.c.

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

static void dlptr_mark | ( | void * | ptr | ) |
| static

Definition at line 32 of file cptr.c.

References data, ptr, rb_gc_mark(), and ptr_data::wrap.

static size_t dlptr_memsize | ( | const void * | ptr | ) |
| static

Definition at line 55 of file cptr.c.

References data, ptr, and ptr_data::size.

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

Definition at line 13 of file cptr.c.

References func, NIL_P(), NULL, NUM2PTR, rb_dlcfunc_kind_p(), rb_Integer(), and RCFUNC_DATA.

Referenced by rb_dlptr_free_set(), rb_dlptr_initialize(), and rb_dlptr_s_malloc().

void Init_dlptr | ( | void |  | ) |

Definition at line 630 of file cptr.c.

References id_to_ptr, rb_cDLCPtr, rb_cObject, rb_define_alloc_func(), rb_define_class_under(), rb_define_const(), rb_define_method(), rb_define_singleton_method(), rb_dlptr_aref(), rb_dlptr_aset(), rb_dlptr_cmp(), rb_dlptr_eql(), rb_dlptr_free_get(), rb_dlptr_free_set(), rb_dlptr_initialize(), rb_dlptr_inspect(), rb_dlptr_minus(), rb_dlptr_new(), rb_dlptr_null_p(), rb_dlptr_plus(), rb_dlptr_ptr(), rb_dlptr_ref(), rb_dlptr_s_allocate(), rb_dlptr_s_malloc(), rb_dlptr_s_to_ptr(), rb_dlptr_size_get(), rb_dlptr_size_set(), rb_dlptr_to_i(), rb_dlptr_to_s(), rb_dlptr_to_str(), rb_dlptr_to_value(), rb_intern, and rb_mDL.

Referenced by Init_dl().

void* rb_dlptr2cptr | ( | VALUE | val | ) |

Definition at line 100 of file cptr.c.

References data, NULL, ptr_data::ptr, ptr, Qnil, rb_cDLCPtr, rb_eTypeError, rb_obj_is_kind_of(), rb_raise(), and TypedData_Get_Struct.

Referenced by rb_dlptr_aset(), rb_dlptr_cmp(), rb_dlptr_eql(), rb_dlptr_minus(), and rb_dlptr_plus().

VALUE rb_dlptr_aref | ( | int | argc,
|  | VALUE | argv[],
|  | VALUE | self
| ) |  |

Definition at line 491 of file cptr.c.

References data, INT2NUM, len, NUM2ULONG, ptr_data::ptr, Qnil, rb_bug(), rb_eDLError, rb_raise(), rb_scan_args(), rb_tainted_str_new(), retval, and TypedData_Get_Struct.

Referenced by Init_dlptr().

VALUE rb_dlptr_aset | ( | int | argc,
|  | VALUE | argv[],
|  | VALUE | self
| ) |  |

Definition at line 526 of file cptr.c.

References data, len, memcpy(), NUM2PTR, NUM2UINT, NUM2ULONG, ptr_data::ptr, Qnil, rb_bug(), rb_cDLCPtr, rb_dlptr2cptr(), rb_eDLError, rb_obj_is_kind_of(), rb_raise(), rb_scan_args(), RB_TYPE_P, retval, StringValuePtr, T_STRING, and TypedData_Get_Struct.

Referenced by Init_dlptr().

static VALUE rb_dlptr_cmp | ( | VALUE | self,
|  | VALUE | other
| ) |  |
| static

Definition at line 431 of file cptr.c.

References diff(), INT2FIX, INT2NUM, Qnil, rb_cDLCPtr, rb_dlptr2cptr(), rb_obj_is_kind_of(), and SIGNED_VALUE.

Referenced by Init_dlptr().

VALUE rb_dlptr_eql | ( | VALUE | self,
|  | VALUE | other
| ) |  |

Definition at line 411 of file cptr.c.

References Qfalse, Qtrue, rb_cDLCPtr, rb_dlptr2cptr(), and rb_obj_is_kind_of().

Referenced by Init_dlptr().

static VALUE rb_dlptr_free_get | ( | VALUE | self | ) |
| static

Definition at line 309 of file cptr.c.

References CFUNC_CDECL, DLTYPE_VOID, ptr_data::free, rb_dlcfunc_new(), and TypedData_Get_Struct.

Referenced by Init_dlptr().

static VALUE rb_dlptr_free_set | ( | VALUE | self,
|  | VALUE | val
| ) |  |
| static

Definition at line 293 of file cptr.c.

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

Referenced by Init_dlptr().

static VALUE rb_dlptr_initialize | ( | int | argc,
|  | VALUE | argv[],
|  | VALUE | self
| ) |  |
| static

Definition at line 144 of file cptr.c.

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

Referenced by Init_dlptr().

static VALUE rb_dlptr_inspect | ( | VALUE | self | ) |
| static

Definition at line 391 of file cptr.c.

References CLASS_OF, data, ptr_data::free, ptr_data::ptr, rb_class2name(), rb_str_new2, ptr_data::size, snprintf, str, and TypedData_Get_Struct.

Referenced by Init_dlptr().

VALUE rb_dlptr_malloc | ( | long | size,
|  | freefunc_t | func
| ) |  |

Definition at line 89 of file cptr.c.

References memset(), ptr, rb_dlptr_new(), rb_secure(), and ruby_xmalloc().

Referenced by rb_dlptr_s_malloc().

static VALUE rb_dlptr_minus | ( | VALUE | self,
|  | VALUE | other
| ) |  |
| static

Definition at line 470 of file cptr.c.

References NUM2LONG, ptr, rb_dlptr2cptr(), rb_dlptr_new(), RPTR_DATA, and size.

Referenced by Init_dlptr().

VALUE rb_dlptr_new | ( | void * | ptr,
|  | long | size,
|  | freefunc_t | func
| ) |  |

Definition at line 83 of file cptr.c.

References rb_cDLCPtr, and rb_dlptr_new2().

Referenced by Init_dlptr(), rb_dlptr_malloc(), rb_dlptr_minus(), rb_dlptr_plus(), rb_dlptr_ptr(), rb_dlptr_ref(), and rb_dlptr_s_to_ptr().

VALUE rb_dlptr_new2 | ( | VALUE | klass,
|  | void * | ptr,
|  | long | size,
|  | freefunc_t | func
| ) |  |

Definition at line 67 of file cptr.c.

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

Referenced by rb_dlptr_new().

VALUE rb_dlptr_null_p | ( | VALUE | self | ) |

Definition at line 279 of file cptr.c.

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

Referenced by Init_dlptr().

static VALUE rb_dlptr_plus | ( | VALUE | self,
|  | VALUE | other
| ) |  |
| static

Definition at line 452 of file cptr.c.

References NUM2LONG, ptr, rb_dlptr2cptr(), rb_dlptr_new(), RPTR_DATA, and size.

Referenced by Init_dlptr().

VALUE rb_dlptr_ptr | ( | VALUE | self | ) |

Definition at line 250 of file cptr.c.

References data, ptr_data::ptr, rb_dlptr_new(), and TypedData_Get_Struct.

Referenced by Init_dlptr().

VALUE rb_dlptr_ref | ( | VALUE | self | ) |

Definition at line 265 of file cptr.c.

References data, ptr_data::ptr, rb_dlptr_new(), and TypedData_Get_Struct.

Referenced by Init_dlptr().

static VALUE rb_dlptr_s_allocate | ( | VALUE | klass | ) |
| static

Definition at line 120 of file cptr.c.

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

Referenced by Init_dlptr().

static VALUE rb_dlptr_s_malloc | ( | int | argc,
|  | VALUE | argv[],
|  | VALUE | klass
| ) |  |
| static

Definition at line 191 of file cptr.c.

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

Referenced by Init_dlptr().

static VALUE rb_dlptr_s_to_ptr | ( | VALUE | self,
|  | VALUE | val
| ) |  |
| static

Definition at line 595 of file cptr.c.

References GetOpenFile, id_to_ptr, NULL, NUM2PTR, OBJ_INFECT, ptr, Qundef, rb_cDLCPtr, rb_check_funcall(), rb_cIO, rb_cString, rb_dlptr_new(), rb_eDLError, rb_Integer(), rb_io_stdio_file(), rb_obj_is_kind_of(), rb_raise(), RPTR_DATA, RSTRING_LEN, RTEST, str, StringValuePtr, val, and ptr_data::wrap.

Referenced by Init_dlptr().

static VALUE rb_dlptr_size_get | ( | VALUE | self | ) |
| static

Definition at line 581 of file cptr.c.

References LONG2NUM, RPTR_DATA, and size.

Referenced by Init_dlptr().

static VALUE rb_dlptr_size_set | ( | VALUE | self,
|  | VALUE | size
| ) |  |
| static

Definition at line 569 of file cptr.c.

References NUM2LONG, RPTR_DATA, and size.

Referenced by Init_dlptr().

static VALUE rb_dlptr_to_i | ( | VALUE | self | ) |
| static

Definition at line 222 of file cptr.c.

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

Referenced by Init_dlptr().

static VALUE rb_dlptr_to_s | ( | int | argc,
|  | VALUE | argv[],
|  | VALUE | self
| ) |  |
| static

Definition at line 329 of file cptr.c.

References data, len, NUM2INT, ptr_data::ptr, rb_bug(), rb_scan_args(), rb_tainted_str_new(), rb_tainted_str_new2, TypedData_Get_Struct, and val.

Referenced by Init_dlptr().

static VALUE rb_dlptr_to_str | ( | int | argc,
|  | VALUE | argv[],
|  | VALUE | self
| ) |  |
| static

Definition at line 362 of file cptr.c.

References data, len, NUM2INT, ptr_data::ptr, rb_bug(), rb_scan_args(), rb_tainted_str_new(), ptr_data::size, TypedData_Get_Struct, and val.

Referenced by Init_dlptr().

static VALUE rb_dlptr_to_value | ( | VALUE | self | ) |
| static

Definition at line 236 of file cptr.c.

References data, ptr_data::ptr, and TypedData_Get_Struct.

Referenced by Init_dlptr().

## Variable Documentation

const rb_data_type_t dlptr_data_type
| static

Initial value:
= {
"dl/ptr",
{dlptr_mark, dlptr_free, dlptr_memsize,},
}
dlptr_free
static void dlptr_free(void *ptr)
Definition: cptr.c:44
dlptr_mark
static void dlptr_mark(void *ptr)
Definition: cptr.c:32
dlptr_memsize
static size_t dlptr_memsize(const void *ptr)
Definition: cptr.c:55

Definition at line 61 of file cptr.c.

ID id_to_ptr
| static

Definition at line 29 of file cptr.c.

Referenced by Init_dlptr(), and rb_dlptr_s_to_ptr().

VALUE rb_cDLCPtr

Definition at line 10 of file cptr.c.

Referenced by Init_dlptr(), rb_dlptr2cptr(), rb_dlptr_aset(), rb_dlptr_cmp(), rb_dlptr_eql(), rb_dlptr_new(), and rb_dlptr_s_to_ptr().