StackOverflow Questions for Tag: placement-new

lobelk

Reputation: 502

Why does making allocator a data member change the generated assembly?

c++assemblyallocatorplacement-newdatamember

Score: -1

Answers: 0

Head Geek

Reputation: 39878

What uses are there for "placement new"?

c++memory-managementnew-operatorplacement-new

Score: 522

Answers: 26

zwhconst

Reputation: 1523

Does "providing storage" mean being the "object representation"?

c++language-lawyerplacement-newtype-punning

Score: 1

Answers: 1

greenlagoon

Reputation: 121

Respecting alignment in a char buffer allocated with malloc that contains objects of different types, sizes and alignments

c++mallocalignmentplacement-new

Score: 0

Answers: 0

Christopher Miller

Reputation: 3461

How can I allocate multiple arrays of different types in a single allocation?

c++arraysinitializationc++23placement-new

Score: 0

Answers: 1

Thomas Weller

Reputation: 59575

Which sort of UB do I have here, deleting array of operator new[]?

c++arrayslanguage-lawyerplacement-new

Score: 1

Answers: 1

Stewart

Reputation: 5042

Is this an abuse of placement new?

c++placement-new

Score: 0

Answers: 1

HeliumHydride

Reputation: 81

Should I take the address of an array when using placement new?

c++arraysplacement-new

Score: 0

Answers: 1

François Andrieux

Reputation: 29032

How to initialize a union containing const data members in C++11

c++c++11language-lawyerunionplacement-new

Score: 1

Answers: 1

Vaibhav Awale

Reputation: 1

Using ranges::transform to write to uninitialized memory for trivial types

c++memory-managementunique-ptrstd-rangesplacement-new

Score: 0

Answers: 0

getsoubl

Reputation: 1055

C++ Use Container annotation wrapper for detect memory buffer overflow does not work

c++memory-managementbuffer-overflowaddress-sanitizerplacement-new

Score: 0

Answers: 1

einpoklum

Reputation: 132108

Can I dynamically generate a contiguous sequence of non-default-ctorable objects which can be deleted with delete[]?

c++dynamic-memory-allocationplacement-newobject-constructionobject-destruction

Score: 3

Answers: 2

einpoklum

Reputation: 132108

Can I rely on how new[] typically works?

c++language-lawyerdynamic-memory-allocationnew-operatorplacement-new

Score: 1

Answers: 2

Christopher Miller

Reputation: 3461

Can someone explain the rules of object lifetimes and uninitialized memory in C++ (context: std::inplace_vector)?

c++initializationlifetimec++23placement-new

Score: 6

Answers: 1

种传龙

Reputation: 19

How to detect Out-of-Bounds Access within Placement New Boundaries in C++?

c++valgrindaddress-sanitizerplacement-new

Score: 1

Answers: 2

ROBERT RICHARDSON

Reputation: 2299

How does the behavior of this override of placement new change things?

c++new-operatorplacement-new

Score: 0

Answers: 0

user24551355

Reputation: 414

does storage provider have to be of type char,unsigned char or std::byte? or can it be any Type?

c++language-lawyerplacement-new

Score: 1

Answers: 1

DocValle

Reputation: 167

Why is 'Placement New' for classes with virtual Members only working when buffer is on local stack?

c++virtual-functionsavr-gccplacement-new

Score: 4

Answers: 1

Alexander S

Reputation: 119

Is padding important when calling to placement new?

c++paddingplacement-new

Score: 0

Answers: 1

ValueError

Reputation: 283

Can I use placement new with class array?

c++reinterpret-castplacement-new

Score: 1

Answers: 1

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StackOverflow Questions for Tag: placement-new

Why does making allocator a data member change the generated assembly?

What uses are there for &quot;placement new&quot;?

Does &quot;providing storage&quot; mean being the &quot;object representation&quot;?

Respecting alignment in a char buffer allocated with malloc that contains objects of different types, sizes and alignments

How can I allocate multiple arrays of different types in a single allocation?

Which sort of UB do I have here, deleting array of operator new[]?

Is this an abuse of placement new?

Should I take the address of an array when using placement new?

How to initialize a union containing const data members in C++11

Using ranges::transform to write to uninitialized memory for trivial types

C++ Use Container annotation wrapper for detect memory buffer overflow does not work

Can I dynamically generate a contiguous sequence of non-default-ctorable objects which can be deleted with delete[]?

Can I rely on how new[] typically works?

Can someone explain the rules of object lifetimes and uninitialized memory in C++ (context: std::inplace_vector)?

How to detect Out-of-Bounds Access within Placement New Boundaries in C++?

How does the behavior of this override of placement new change things?

does storage provider have to be of type char,unsigned char or std::byte? or can it be any Type?

Why is &#39;Placement New&#39; for classes with virtual Members only working when buffer is on local stack?

Is padding important when calling to placement new?

Can I use placement new with class array?

What uses are there for "placement new"?

Does "providing storage" mean being the "object representation"?

Why is 'Placement New' for classes with virtual Members only working when buffer is on local stack?