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New posts in undefined-behavior
Is it undefined behaviour to access an array beyond its end, if that area is allocated? [duplicate]
Jun 19, 2022
c
undefined-behavior
Is this undefined?
Apr 10, 2022
c
undefined-behavior
Can a variable be used while being declared?
Jul 12, 2022
c++
c
variables
language-lawyer
undefined-behavior
How can I create a macro which uses a value multiple times, without copying it?
Aug 20, 2018
c++
c++11
macros
undefined-behavior
forwarding-reference
Is printf()'s string width safe with unterminated strings?
Nov 09, 2019
c
printf
language-lawyer
undefined-behavior
In a function call, why isn't comma a sequence point?
Nov 11, 2022
c
undefined-behavior
sequence-points
Constant time `contains` for `std::vector`? [duplicate]
Jun 19, 2022
c++
time-complexity
contains
stdvector
undefined-behavior
Java list.contains returning false, should be true [duplicate]
Mar 01, 2018
java
undefined-behavior
What is the rationale for this undefined behavior?
Oct 28, 2022
c++
undefined-behavior
const_cast and UB
Jun 09, 2022
c++
undefined-behavior
const-cast
Why passing string to scanf() compiles fine in C?
Sep 30, 2022
c
scanf
undefined-behavior
unexpected output of C++
Nov 05, 2021
c++
pointers
undefined-behavior
post-increment
Why can I operate with int > +32767?
Jun 23, 2022
c++
int
range
undefined-behavior
Limit the confusion caused by undefined-behavior?
Dec 22, 2020
c++
language-agnostic
undefined-behavior
Which of the following combinations of post & pre-increment operators have undefined behaviour in C?
Aug 22, 2022
c
operators
expression
undefined-behavior
Lua - Two local variables with the same name
Nov 07, 2019
variables
lua
undefined-behavior
a = (a + b) - (b = a); C++ vs php
Jul 11, 2022
php
c++
undefined-behavior
Incrementing a Constant in C++
Sep 23, 2022
c++
pointers
constants
undefined-behavior
Re Legacy code : format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long unsigned int’ [-Wformat]
Jul 09, 2022
c
unix
gcc
printf
undefined-behavior
Is comparing two pointers with < undefined behavior if they are both cast to an integer type?
Jul 06, 2022
c
undefined-behavior
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