Add optional nullstr argument to log_id()

Signed-off-by: Clifford Wolf <clifford@clifford.at>

diff --git a/kernel/log.h b/kernel/log.h
index e1f54a197906a7186c01b686247c4044f7f2b8d8..759939025bc41862e41782859e2005853ffcc47b 100644 (file)
--- a/kernel/log.h
+++ b/kernel/log.h
@@ -94,7 +94,9 @@ const char *log_signal(const RTLIL::SigSpec &sig, bool autoint = true);
 const char *log_const(const RTLIL::Const &value, bool autoint = true);
 const char *log_id(RTLIL::IdString id);
 
-template<typename T> static inline const char *log_id(T *obj) {
+template<typename T> static inline const char *log_id(T *obj, const char *nullstr = nullptr) {
+       if (nullstr && obj == nullptr)
+               return nullstr;
        return log_id(obj->name);
 }