From 9c2530f1740b976dd2f625209e417983ea1aa71d Mon Sep 17 00:00:00 2001
From: Joseph Mirabel <jmirabel@laas.fr>
Date: Fri, 28 Sep 2018 09:42:23 +0200
Subject: [PATCH] Add __null_stream function to avoid compilation error
---
include/dynamic-graph/debug.h | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/include/dynamic-graph/debug.h b/include/dynamic-graph/debug.h
index 742f8a3..216a35a 100644
--- a/include/dynamic-graph/debug.h
+++ b/include/dynamic-graph/debug.h
@@ -188,13 +188,13 @@ inline bool dgTDEBUG_ENABLE (const int & level)
if (1) \
; \
else \
- std::ostream(NULL)
+ ::dynamicgraph::__null_stream()
# define dgDEBUGMUTE (level) \
if (1) \
; \
else \
- std::ostream(NULL)
+ ::dynamicgraph::__null_stream()
# define dgERROR \
dgERRORFLOW.outputbuffer << dgPREERROR
@@ -219,12 +219,23 @@ inline void dgERRORF (const char*, ...)
return;
}
+namespace dynamicgraph
+{
+inline std::ostream& __null_stream ()
+{
+ // This function should never be called. With -O3,
+ // it should not appear in the generated binary.
+ static std::ostream os (NULL); return os;
+}
+}
+
+
// TEMPLATE
# define dgTDEBUG(level) \
if (1) \
; \
else \
- std::ostream(NULL)
+ ::dynamicgraph::__null_stream()
inline void dgTDEBUGF (const int, const char*, ...)
{
--
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