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C++ vptr tables and size of virtual class objects

score 35 · Answer 1 · 2024-01-14T12:30:05.897000

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C++ vptr tables and size of virtual class objects

35 views Asked by srdg At 14 January 2024 at 12:30

score 150 · Answer 2 · 2023-07-07T06:15:48.390000

How does Base class pointer access the member variable (vptr) of Derived class?

150 views Asked by H Kumar At 07 July 2023 at 06:15

score 262 · Answer 3 · 2023-02-12T18:42:07.957000

C++ runtime error invalid vptr when compiling with gcc 8.1 and gcc 8.2

262 views Asked by Oshio At 12 February 2023 at 18:42

score 114 · Answer 4 · 2022-08-22T20:13:59.640000

Is there a way to decrease the size of the object by removing "vptr"

114 views Asked by vitalii-32 At 22 August 2022 at 20:13

score 61 · Answer 5 · 2022-06-04T16:02:06.470000

What is the meaning of a pointer to a virtual function?

61 views Asked by zclll At 04 June 2022 at 16:02

score 310 · Answer 6 · 2021-06-06T18:42:35.583000

Why using a different return type in virtual function declaration throws an error instead of resulting in a redefinition?

310 views Asked by Arjun Tanwar At 06 June 2021 at 18:42

score 123 · Answer 7 · 2020-09-03T03:36:23.490000

does pointer "this" in c++ support virtual mechanism?

123 views Asked by Solaroi Zeng At 03 September 2020 at 03:36

score 246 · Answer 8 · 2020-07-21T00:33:52.773000

C++ How do i get a pointer to a class' virtual function table?

246 views Asked by Django At 21 July 2020 at 00:33

score 177 · Answer 9 · 2020-05-21T20:47:23.027000

Why object with vptr is 12 bytes longer?

177 views Asked by SimpleAsk At 21 May 2020 at 20:47

score 214 · Answer 10 · 2020-03-17T01:16:59.737000

Storage layout of polymorphic objects according to C++ standard

214 views Asked by NPS At 17 March 2020 at 01:16

score 1316 · Answer 11 · 2019-11-20T19:26:05.103000

Can derived classes have more than one pointer to a virtual table?

1.3k views Asked by CanISleepYet At 20 November 2019 at 19:26

score 73 · Answer 12 · 2019-10-24T09:44:41.883000

Force a specific arrangement of virtual and non virtual base classes

73 views Asked by Panakotta00 At 24 October 2019 at 09:44

score 334 · Answer 13 · 2019-09-15T06:50:46.663000

Initializing objects with virtual functions on pre-allocated memory without placement new operator - is that possible? If not, why

334 views Asked by Stas L At 15 September 2019 at 06:50

score 2144 · Answer 14 · 2019-08-13T17:47:07.037000

Why does virtual inheritance need a vtable even if no virtual functions are involved?

2.1k views Asked by Klaus At 13 August 2019 at 17:47

score 364 · Answer 15 · 2019-08-13T15:44:37.523000

Virtual class inheritance object size issue

364 views Asked by Srijib Bose At 13 August 2019 at 15:44

score 559 · Answer 16 · 2019-08-12T18:50:45.797000

are vptr and vtable inherited from base class?

559 views Asked by meng At 12 August 2019 at 18:50

score 196 · Answer 17 · 2019-07-16T17:10:50.103000

How vptr and vtable works in the bellow virtual related code?

196 views Asked by AudioBubble At 16 July 2019 at 17:10

score 917 · Answer 18 · 2019-06-16T20:44:36.277000

Changing dynamic type of an object in C++

917 views Asked by Nikita Petrenko At 16 June 2019 at 20:44

score 649 · Answer 19 · 2019-04-03T09:57:12.023000

Number of vptr created if derived class also has a virtual function which is not present in Base class

649 views Asked by Naresh At 03 April 2019 at 09:57

score 207 · Answer 20 · 2019-03-27T11:20:08.570000

why sizeof(Base) is not different of sizeof(Derived)

207 views Asked by Z.Hc At 27 March 2019 at 11:20

TechQA.

List Question

C++ vptr tables and size of virtual class objects

How does Base class pointer access the member variable (vptr) of Derived class?

C++ runtime error invalid vptr when compiling with gcc 8.1 and gcc 8.2

Is there a way to decrease the size of the object by removing "vptr"

What is the meaning of a pointer to a virtual function?

Why using a different return type in virtual function declaration throws an error instead of resulting in a redefinition?

does pointer "this" in c++ support virtual mechanism?

C++ How do i get a pointer to a class' virtual function table?

Why object with vptr is 12 bytes longer?

Storage layout of polymorphic objects according to C++ standard

Can derived classes have more than one pointer to a virtual table?

Force a specific arrangement of virtual and non virtual base classes

Initializing objects with virtual functions on pre-allocated memory without placement new operator - is that possible? If not, why

Why does virtual inheritance need a vtable even if no virtual functions are involved?

Virtual class inheritance object size issue

are vptr and vtable inherited from base class?

How vptr and vtable works in the bellow virtual related code?

Changing dynamic type of an object in C++

Number of vptr created if derived class also has a virtual function which is not present in Base class

why sizeof(Base) is not different of sizeof(Derived)

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