From: Clifford Wolf <clifford@clifford.at>
Date: Sun, 13 Jan 2019 16:00:58 +0000 (+0100)
Subject: Add optional nullstr argument to log_id()
X-Git-Tag: yosys-0.9~329
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e70ebe557cd02f52f32a297fa63008dba25e4f6a;p=yosys.git

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 e1f54a197..759939025 100644
--- 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);
 }