From: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Date: Thu, 18 Oct 2012 11:35:15 +0000 (+0300)
Subject: gresolv: Make debug func print more useful information
X-Git-Tag: 1.9~12
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4f26679b9e1c26314fdb92ca51452296ff8de785;p=platform%2Fupstream%2Fconnman.git

gresolv: Make debug func print more useful information

The file and function names are printed in debug prints.
---

diff --git a/gweb/gresolv.c b/gweb/gresolv.c
index 8ff86190..88e2c029 100644
--- a/gweb/gresolv.c
+++ b/gweb/gresolv.c
@@ -115,18 +115,26 @@ struct _GResolv {
 	gpointer debug_data;
 };
 
-static inline void debug(GResolv *resolv, const char *format, ...)
+#define debug(resolv, format, arg...)				\
+	_debug(resolv, __FILE__, __func__, format, ## arg)
+
+static void _debug(GResolv *resolv, const char *file, const char *caller,
+						const char *format, ...)
 {
 	char str[256];
 	va_list ap;
+	int len;
 
 	if (resolv->debug_func == NULL)
 		return;
 
 	va_start(ap, format);
 
-	if (vsnprintf(str, sizeof(str), format, ap) > 0)
-		resolv->debug_func(str, resolv->debug_data);
+	if ((len = snprintf(str, sizeof(str), "%s:%s() resolv %p ",
+						file, caller, resolv)) > 0) {
+		if (vsnprintf(str + len, sizeof(str) - len, format, ap) > 0)
+			resolv->debug_func(str, resolv->debug_data);
+	}
 
 	va_end(ap);
 }