# Wcheck-unicode-security

Determines whether the compiler performs source code checking for Unicode vulnerabilities.

## Syntax

Linux: | -Wcheck-unicode-security -Wno-check-unicode-security

macOS: | -Wcheck-unicode-security -Wno-check-unicode-security

Windows: | /Wcheck-unicode-security /Wno-check-unicode-security

## Arguments

None

## Default

Wno-check-unicode-security | The compiler does not perform source code checking for Unicode vulnerabilities.

## Description

This option determines whether the compiler performs source code checking for Unicode vulnerabilities.

Option Wcheck-unicode-security enables Unicode checking. The compiler will detect and warn about Unicode constructs that can be exploited by using bi-directional formatting codes, zero-width characters in strings, and use of zero-width characters and homoglyphs in identifiers.

Option Wno-check-unicode-security disables Unicode checking.

## IDE Equivalent

Visual Studio: C/C++ > Diagnostics [Intel C++] > Check Unicode Security

Eclipse: Intel C++ Compiler Classic > Compilation Diagnostics > Check Unicode Security

## Alternate Options

None

Parent topic: Compiler Diagnostic Options