warn_uninitializedvar. NXP CodeWarrior Development Studio

warn_uninitializedvar

Use this pragma to detect the use of undefined macros (especially expressions) where the default value 0 is used. To suppress this warning message, check if defined first.

NOTE

A warning message is only issued when a macro is evaluated. A short-circuited "

&&

" or "

||

" test or unevaluated "

?:

" will not produce a warning message.

By default, this pragma is off

.

31.33 warn_uninitializedvar

Controls the compiler to perform some dataflow analysis and emits warning messages whenever local variables are initialized before being used.

Syntax

#pragma warn_uninitializedvar on | off | reset

Remarks

This pragma has no corresponding setting in the CodeWarrior IDE. By default, this pragma is on

.

NOTE

#pragma warn_possiblyuninitializedvar

is a superset of

#pragma warn_uninitializedvar

.

31.34 warn_unusedarg

Controls the recognition of unreferenced arguments.

Syntax

#pragma warn_unusedarg on | off | reset

Remarks

If you enable this pragma, the compiler issues a warning message when it encounters an argument you declare but do not use.

CodeWarrior Development Studio for Power Architecture Processors Build Tools Reference Manual, Rev.

10.6, 02/2014

486 Freescale Semiconductor, Inc.