# fmudflap

The compiler instruments risky pointer operations to prevent buffer overflows and invalid heap use. This is a deprecated option. There is no replacement option. You can consider using the Pointer Checker options (such as option -check-pointers).

## Syntax

Linux: | -fmudflap

macOS: | None

Windows: | None

## Arguments

None

## Default

OFF | The compiler does not instrument risky pointer operations.

## Description

The compiler instruments risky pointer operations to prevent buffer overflows and invalid heap use. It requires gcc 4.0 or newer.

When using this compiler option, you must specify linker option -lmudflap in the link command line to resolve references to the libmudflap library.

## IDE Equivalent

None

## Alternate Options

None

Parent topic: Data Options