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| CodeSonar® 9.0p0 Hot Tips | CONFIDENTIAL | CodeSecure Inc |
The association list for C generic selection expression includes a default association that is neither the first nor the last association in the list.
| Class Name | Misplaced Default Association in C Generic | ||||||
|---|---|---|---|---|---|---|---|
| Significance | style | ||||||
| Mnemonic | LANG.STRUCT.CGEN.MPD | ||||||
| Categories |
|
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| Availability | Available for C only (not C++). |
||||||
| Enabling | Checks for this warning class are disabled by default,
and require the unnormalized
C ASTs for the project. To enable them, add the following
WARNING_FILTER rule and RETAIN_UNNORMALIZED_C_AST specification to the project configuration file.
RETAIN_UNNORMALIZED_C_AST = Yes WARNING_FILTER += allow class="Misplaced Default Association in C Generic" |
Japanese (ja)
#define MPD_MID(y) (_Generic(y, \
int: 20, \
default: 200, /* default is neither first nor last */ \
char: 2000))
#define MPD_OK_FIRST(y) (_Generic(y, int: 20, char: 2000, default: 200)) /* ok: default is first */
#define MPD_OK_LAST(y) (_Generic(y, default: 200, int: 20, char: 2000)) /* ok: default is last */
#define MPD_OK_NONE(y) (_Generic(y, int: 20, char: 2000)) /* ok: no default */
int lang_struct_cgen_mpd(void){
int rv = 10;
rv += MPD_MID(20); /* 'Misplaced Default Association in C Generic' warning issued here */
rv += MPD_OK_FIRST(20); /* ok */
rv += MPD_OK_LAST(20); /* ok */
rv += MPD_OK_NONE(20); /* ok */
return rv;
}
The following configuration file parameters affect checks for this warning class.