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logging: define _LOGT() macro to check valid arguments

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With NM_MORE_LOGGING disabled, we still want the compiler to evaluate
the argument list. By wrapping it in "if(FALSE)", we get compile time
checks, but the logging statement will be optimized out.

(cherry picked from commit cb6bafb9af)
This commit is contained in:
Thomas Haller 2015-04-24 13:51:28 +02:00 • committed by Lubomir Rintel
parent fe721ce7e9
commit 8a17a5cf5b
1 changed files with 2 additions and 2 deletions
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4
src/nm-route-manager.c
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@ -112,8 +112,8 @@ static const VTableIP vtable_v4, vtable_v6;
#define _LOGT_ENABLED(addr_family) _LOG_LEVEL_ENABLED (LOGL_TRACE, addr_family)
#define _LOGT(addr_family, ...) _LOG (LOGL_TRACE, addr_family, __VA_ARGS__)
#else
#define _LOGT_ENABLED(addr_family) FALSE
#define _LOGT(addr_family, ...) G_STMT_START { (void) 0; } G_STMT_END
#define _LOGT_ENABLED(addr_family) (FALSE && _LOG_LEVEL_ENABLED (LOGL_TRACE, addr_family))
#define _LOGT(addr_family, ...) G_STMT_START { if (FALSE) { _LOG (LOGL_TRACE, addr_family, __VA_ARGS__); } } G_STMT_END
#endif
#define _LOGD(addr_family, ...) _LOG (LOGL_DEBUG, addr_family, __VA_ARGS__)