Null Pointer Dereference Undefined Behavior at Eldridge Haywood blog

Null Pointer Dereference Undefined Behavior. dereferencing a null pointer is undefined behavior in c, [6] and a conforming implementation is allowed to assume that. examples of undefined behavior are memory accesses outside of array bounds, signed integer overflow, null. some examples of undefined behavior are data races, memory accesses outside of array bounds, signed integer. much like dereferencing a dangling (or wild) pointer leads to undefined behavior, dereferencing a null pointer also. Dereferencing a null pointer may lead to undefined behavior. Int * ptr = nullptr; defining consistent behavior for dereferencing a null pointer would require the compiler to check for null. since null pointer dereferences are typically bugs, it is unlikely a compiler would bother to optimize away null pointer. Int val = * ptr;

Practical Go Lessons
from www.practical-go-lessons.com

examples of undefined behavior are memory accesses outside of array bounds, signed integer overflow, null. some examples of undefined behavior are data races, memory accesses outside of array bounds, signed integer. since null pointer dereferences are typically bugs, it is unlikely a compiler would bother to optimize away null pointer. much like dereferencing a dangling (or wild) pointer leads to undefined behavior, dereferencing a null pointer also. Dereferencing a null pointer may lead to undefined behavior. Int val = * ptr; dereferencing a null pointer is undefined behavior in c, [6] and a conforming implementation is allowed to assume that. Int * ptr = nullptr; defining consistent behavior for dereferencing a null pointer would require the compiler to check for null.

Practical Go Lessons

Null Pointer Dereference Undefined Behavior Int * ptr = nullptr; dereferencing a null pointer is undefined behavior in c, [6] and a conforming implementation is allowed to assume that. much like dereferencing a dangling (or wild) pointer leads to undefined behavior, dereferencing a null pointer also. examples of undefined behavior are memory accesses outside of array bounds, signed integer overflow, null. some examples of undefined behavior are data races, memory accesses outside of array bounds, signed integer. defining consistent behavior for dereferencing a null pointer would require the compiler to check for null. Int * ptr = nullptr; Int val = * ptr; since null pointer dereferences are typically bugs, it is unlikely a compiler would bother to optimize away null pointer. Dereferencing a null pointer may lead to undefined behavior.

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