Large array on stack

Object Pascal — Delphi & Free Pascal

Warning

Performance

Large fixed-size arrays on the stack risk stack overflow, especially in recursive methods

large fixed-size arrays on the stack risk stack overflow, especially in recursive methods.

Why this severity

large fixed-size arrays on the stack risk stack overflow, especially in recursive methods.

Known false positives

arrays in the main procedure with a known-safe stack size.

Remediation example

var
  Buffer: TArray<Byte>;
begin
  SetLength(Buffer, 4096);

Related Performance rules