Developer Guide and Reference

Contents

Wformat-security

Determines whether the compiler issues a warning when the use of format functions may cause security problems.

Syntax

Linux:
-Wformat-security
-Wno-format-security
macOS:
-Wformat-security
-Wno-format-security
Windows:
None
Arguments
None
Default
-Wno-format-security
No warning is issued when the use of format functions may cause security problems.
Description
This option determines whether the compiler issues a warning when the use of format functions may cause security problems.
When
-Wformat-security
is specified, it warns about uses of format functions where the format string is not a string literal and there are no format arguments.
Alternate Options
None