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Goodbye “undefined is not a function”

522 points by tosh | 11 years ago | 65 comments

Zelda Screen Transitions Are Undefined Behaviour

366 points by Kaali | 6 years ago | 100 comments

I Do Not Know C: Short quiz on undefined behavior (2015)

214 points by waynecolvin | 9 years ago | 178 comments

Undefined behavior in C is a reading error

203 points by zdw | 5 years ago | 491 comments

µUBSan: clean-room reimplementation of the Undefined Behavior Sanitizer runtime

182 points by ingve | 7 years ago | 60 comments

What Every C Programmer Should Know About Undefined Behavior #2/3

172 points by ryannielsen | 15 years ago | 43 comments

What Every C Programmer Should Know About Undefined Behavior #3/3

165 points by ryannielsen | 15 years ago | 10 comments

A production bug that made me care about undefined behavior

163 points by birdculture | 18 days ago | 107 comments

Undefined vs. Unsafe in Rust

160 points by ingve | 8 years ago | 47 comments

GCC undefined behaviors are getting wild

156 points by signa11 | 3 years ago | 349 comments

What Every C Programmer Should Know About Undefined Behavior #1/3

155 points by zeugma | 15 years ago | 18 comments

Falsehoods programmers believe about undefined behavior

151 points by sanxiyn | 3 years ago | 226 comments

Undefined behavior can result in time travel

150 points by ingve | 12 years ago | 88 comments

Undefined Behavior in 2017

143 points by ingve | 9 years ago | 113 comments

Why undefined behavior may call a never-called function

139 points by pavel_lishin | 8 years ago | 169 comments

Perfecting GLFW for Zig, and finding lurking undefined behavior that went unnot

136 points by todsacerdoti | 4 years ago | 57 comments

What Every C Programmer Should Know About Undefined Behavior (2011)

129 points by BuuQu9hu | 9 years ago | 61 comments

Defining the Undefinedness of C (2015) [pdf]

124 points by gbrown_ | 8 years ago | 88 comments

Taming Undefined Behavior in LLVM

121 points by ingve | 9 years ago | 62 comments

Undefined Behavior != Unsafe Programming

119 points by steveklabnik | 9 years ago | 70 comments