Added debugging option for nsupdate.

Knot.files

@@ -274,6 +274,7 @@ doc/running.texi
 src/libknot/zone/zone-diff.h
 src/libknot/zone/zone-diff.c
 src/utils/common/msg.h
+src/utils/common/msg.c
 src/utils/common/params.c
 src/utils/common/params.h
 src/utils/common/resolv.c

src/Makefile.am

@@ -32,6 +32,7 @@ knotc_SOURCES =					\
 
 khost_SOURCES =					\
 	utils/common/msg.h			\
+	utils/common/msg.c			\
 	utils/common/exec.c			\
 	utils/common/exec.h			\
 	utils/common/params.c			\
@@ -50,6 +51,7 @@ khost_SOURCES =					\
 
 knsupdate_SOURCES =				\
 	utils/common/msg.h			\
+	utils/common/msg.c			\
 	utils/common/params.c			\
 	utils/common/params.h			\
 	utils/common/resolv.c			\

src/utils/common/msg.h

@@ -36,8 +36,14 @@
 #define ERR(m...)	{ printf(ERROR_ m); fflush(stdout); }
 #define WARN(m...)	{ printf(WARNING_ m); fflush(stdout); }
 
+/*! \brief Enable/disable debugging. */
+int msg_enable_debug(int val);
+
+/*! \brief Print debug message. */
+int msg_debug(const char *fmt, ...);
+
 #ifndef NDEBUG
- #define DBG(m...)	{ printf(DEBUG_ m); fflush(stdout); }
+ #define DBG(m...) msg_debug(DEBUG_ m)
 #else
  #define DBG(m...)
 #endif

src/utils/common/params.c

@@ -180,6 +180,7 @@ void params_flag_tcp(params_t *params)
 void params_flag_verbose(params_t *params)
 {
 	params->format = FORMAT_VERBOSE;
+	
 }
 
 int params_parse_interval(const char *value, int32_t *dst)

src/utils/nsupdate/nsupdate_exec.c

@@ -721,7 +721,7 @@ int cmd_send(const char* lp, params_t *params)
 		return KNOT_ERROR;
 	}
 	
-	/*! \todo TCP fallback, timeout settings. */
+	/*! \todo TCP fallback. */
 	
 	/* Wait for reception. */
 	uint8_t	rwire[MAX_PACKET_SIZE]; 

src/utils/nsupdate/nsupdate_params.c

@@ -151,9 +151,11 @@ int nsupdate_params_parse(params_t *params, int argc, char *argv[])
 	}
 
 	/* Command line options processing. */
-	while ((opt = getopt(argc, argv, "dvp:t:r:")) != -1) {
+	while ((opt = getopt(argc, argv, "dDvp:t:r:")) != -1) {
 		switch (opt) {
 		case 'd':
+		case 'D': /* Extra debugging. */
+			msg_enable_debug(1);
 			params_flag_verbose(params);
 			break;
 		case 'v':