From: Steve Sloan <steve@finagle.org>
Date: Tue, 20 Mar 2012 16:56:24 +0000 (-0700)
Subject: Write trace messages to stderr so only data goes to stdout (allows for shell redirect... 
X-Git-Url: http://git.itanic.dy.fi/?p=glucose;a=commitdiff_plain;h=ced0c54b9602536195f57bce064736a1c34739f5

Write trace messages to stderr so only data goes to stdout (allows for shell redirection).
---

diff --git a/utils.h b/utils.h
index aee10e5..370cca4 100644
--- a/utils.h
+++ b/utils.h
@@ -33,8 +33,8 @@ extern int trace_level;
 
 #define trace(level, arg...)			\
 	do {					\
-		if (level <= trace_level)	\
-			printf(arg);		\
+		if (level <= trace_level) 	\
+			fprintf(stderr, arg);	\
 	} while (0)
 
 int datalen(const unsigned char *data);