Dinamically assign debug messages size

code/espurna/config/general.h

@@ -63,10 +63,9 @@
 //------------------------------------------------------------------------------
 
 // General debug options and macros
-#define DEBUG_MESSAGE_MAX_LENGTH    80
+#define DEBUG_FORMAT_MAX_LENGTH 80
 #define DEBUG_SUPPORT           DEBUG_SERIAL_SUPPORT || DEBUG_UDP_SUPPORT || DEBUG_TELNET_SUPPORT
 
-
 #if DEBUG_SUPPORT
     #define DEBUG_MSG(...) debugSend(__VA_ARGS__)
     #define DEBUG_MSG_P(...) debugSend_P(__VA_ARGS__)

code/espurna/debug.ino

@@ -18,18 +18,16 @@ WiFiUDP udpDebug;
 
 void debugSend(const char * format, ...) {
 
-    char buffer[DEBUG_MESSAGE_MAX_LENGTH+1];
-
     va_list args;
     va_start(args, format);
-    int len = ets_vsnprintf(buffer, DEBUG_MESSAGE_MAX_LENGTH, format, args);
+    char test[1];
+    int len = ets_vsnprintf(test, 1, format, args) + 1;
+    char * buffer = new char[len];
+    ets_vsnprintf(buffer, len, format, args);
     va_end(args);
 
     #if DEBUG_SERIAL_SUPPORT
         DEBUG_PORT.printf(buffer);
-        if (len > DEBUG_MESSAGE_MAX_LENGTH) {
-            DEBUG_PORT.printf(" (...)\n");
-        }
     #endif
 
     #if DEBUG_UDP_SUPPORT
@@ -38,9 +36,6 @@ void debugSend(const char * format, ...) {
         #endif
             udpDebug.beginPacket(DEBUG_UDP_IP, DEBUG_UDP_PORT);
             udpDebug.write(buffer);
-            if (len > DEBUG_MESSAGE_MAX_LENGTH) {
-                udpDebug.write(" (...)\n");
-            }
             udpDebug.endPacket();
             delay(1);
         #if SYSTEM_CHECK_ENABLED
@@ -56,21 +51,19 @@ void debugSend(const char * format, ...) {
 
 void debugSend_P(PGM_P format, ...) {
 
-    char f[DEBUG_MESSAGE_MAX_LENGTH+1];
-    memcpy_P(f, format, DEBUG_MESSAGE_MAX_LENGTH);
-
-    char buffer[DEBUG_MESSAGE_MAX_LENGTH+1];
+    char f[DEBUG_FORMAT_MAX_LENGTH+1];
+    memcpy_P(f, format, DEBUG_FORMAT_MAX_LENGTH);
 
     va_list args;
     va_start(args, format);
-    int len = ets_vsnprintf(buffer, DEBUG_MESSAGE_MAX_LENGTH, f, args);
+    char test[1];
+    int len = ets_vsnprintf(test, 1, f, args) + 1;
+    char * buffer = new char[len];
+    ets_vsnprintf(buffer, len, f, args);
     va_end(args);
 
     #if DEBUG_SERIAL_SUPPORT
         DEBUG_PORT.printf(buffer);
-        if (len > DEBUG_MESSAGE_MAX_LENGTH) {
-            DEBUG_PORT.printf(" (...)\n");
-        }
     #endif
 
     #if DEBUG_UDP_SUPPORT
@@ -79,9 +72,6 @@ void debugSend_P(PGM_P format, ...) {
         #endif
             udpDebug.beginPacket(DEBUG_UDP_IP, DEBUG_UDP_PORT);
             udpDebug.write(buffer);
-            if (len > DEBUG_MESSAGE_MAX_LENGTH) {
-                udpDebug.write(" (...)\n");
-            }
             udpDebug.endPacket();
             delay(1);
         #if SYSTEM_CHECK_ENABLED