Allow PRINTF_MSG_LENGTH to be overwritten by users.

[tinyos-2.x.git] / tos / lib / printf / printf.h

diff --git a/tos/lib/printf/printf.h b/tos/lib/printf/printf.h
index 835e40e0a7eeb8ea219fbb0bb569a21cb41bfb96..605162c91dc62ebd26a29a8fa1b78a5ae4a407e3 100644 (file)
--- a/tos/lib/printf/printf.h
+++ b/tos/lib/printf/printf.h
@@ -49,9 +49,13 @@
   #include "avr_stdio.h"
 #endif
 #include "message.h"
+int printfflush();
 
+#ifndef PRINTF_MSG_LENGTH
+#define PRINTF_MSG_LENGTH      28
+#endif
 typedef nx_struct printf_msg {
-  nx_uint8_t buffer[TOSH_DATA_LENGTH];
+  nx_uint8_t buffer[PRINTF_MSG_LENGTH];
 } printf_msg_t;
 
 enum {