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One of the following conditional compilation constructs is used.
The check will ignore cases where a file contains only one such construct provided it has one of the following forms.
#ifndef macro_name
#define macro_name
/* code */
#endif
|
or |
#if !defined(macro_name)
#define macro_name
/* code */
#endif
|
Otherwise, a warning will be triggered even if the conditional compilation construct does not contain any code.
| Class Name | Conditional Compilation | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Significance | style | |||||||||
| Mnemonic | LANG.PREPROC.COND | |||||||||
| Categories |
|
|||||||||
| Availability | Available for C and C++. |
|||||||||
| Enabling | Checks for this warning class are
disabled by default. To enable them, add the following WARNING_FILTER
rule to the project configuration file.
WARNING_FILTER += allow class="Conditional Compilation" |
int x; #ifdef PRINT_ON /* 'Conditional Compilation' warning issued here */ printf("x = %d", x); #endif
The following configuration file parameters affect checks for this warning class.
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