Untitled

diff --git a/slirp/tftp.c b/slirp/tftp.c
index 082f5d0..b7c9e97 100644
--- a/slirp/tftp.c
+++ b/slirp/tftp.c
@@ -101,6 +101,7 @@ static int tftp_read_data(struct tftp_session *spt, u_int16_t block_nr,
   fd = open(spt->filename, O_RDONLY | O_BINARY);
 
   if (fd < 0) {
+    printf ("failed\n");
     return -1;
   }
 
@@ -150,6 +151,7 @@ static int tftp_send_oack(struct tftp_session *spt,
     m->m_len = sizeof(struct tftp_t) - 514 + n -
         sizeof(struct ip) - sizeof(struct udphdr);
     udp_output2(NULL, m, &saddr, &daddr, IPTOS_LOWDELAY);
+    printf("tftp_send_oack: %s=%u\n", key, value);
 
     return 0;
 }
@@ -163,6 +165,8 @@ static void tftp_send_error(struct tftp_session *spt,
   struct tftp_t *tp;
   int nobytes;
 
+  printf ("tftp_send_error: TFTP error: %s\n", msg);
+
   m = m_get(spt->slirp);
 
   if (!m) {
@@ -246,6 +250,7 @@ static int tftp_send_data(struct tftp_session *spt,
         sizeof(struct ip) - sizeof(struct udphdr);
 
   udp_output2(NULL, m, &saddr, &daddr, IPTOS_LOWDELAY);
+  printf ("tftp_send_data: sent block %u\n", htons(tp->x.tp_data.tp_block_nr));
 
   if (nobytes == 512) {
     tftp_session_update(spt);
@@ -290,7 +295,8 @@ static void tftp_handle_rrq(Slirp *slirp, struct tftp_t *tp, int pktlen)
 
   /* get name */
   req_fname = spt->filename + prefix_len + 1;
-
+  printf ("tftp_handle_rrq: %s\n", spt->filename);
+  
   while (1) {
     if (k >= TFTP_FILENAME_MAX || k >= pktlen) {
       tftp_send_error(spt, 2, "Access violation", tp);
@@ -358,7 +364,7 @@ static void tftp_handle_rrq(Slirp *slirp, struct tftp_t *tp, int pktlen)
 	      else {
 		  tftp_send_error(spt, 1, "File not found", tp);
 		  return;
-	      }
+	     }
 	  }
 
 	  tftp_send_oack(spt, "tsize", tsize, tp);
@@ -374,6 +380,7 @@ static void tftp_handle_ack(Slirp *slirp, struct tftp_t *tp, int pktlen)
 
   s = tftp_session_find(slirp, tp);
 
+  printf ("tftp_handle_ack: session %u, block %u\n", s, ntohs(tp->x.tp_data.tp_block_nr));
   if (s < 0) {
     return;
   }