Miscellaneous-NoExternInImpl

Do not put extern declarations into implementation files

Required inputs: IR

Any objects/functions with extern linkage should be declared in header files. Objects/functions in implementation files should use static linkage.

Possible Messages

Key	Text	Severity	Disabled
extern_funcdef_at_block_scope	Extern declaration at block scope.	None	False
extern_funcdef_in_implementation	Extern declaration in implementation file.	None	False
extern_variable_decl_at_block_scope	Extern declaration at block scope.	None	False
extern_variable_decl_in_implementation	Extern declaration in implementation file.	None	False

Options

• This rule shares the following common options: exclude_in_macros, exclude_messages_in_system_headers, excludes, extend_exclude_to_macro_invocations, includes, justification_checker, languages, post_processing, provider, report_at, severity

• The following places define options that affect this rule: Stylechecks, Analysis-GlobalOptions

• This rule has no individual options.