- Carsten Lange reported a bug and provided a patch for TFTP upload and the

  sending of the TSIZE option. I don't like fixing bugs just hours before
  a release, but since it was broken and the patch fixes this for him I decided
  to get it in anyway.

1 files changed, 7 insertions, 2 deletions

diff --git a/lib/tftp.c b/lib/tftp.c
index 0a1dc59bd..fe55e9dfc 100644
--- a/lib/tftp.c
+++ b/lib/tftp.c
@@ -443,7 +443,7 @@ static CURLcode tftp_send_first(tftp_state_data_t *state, tftp_event_t event)
   size_t sbytes;
   const char *mode = "octet";
   char *filename;
-  char buf[8];
+  char buf[64];
   struct SessionHandle *data = state->conn->data;
   CURLcode res = CURLE_OK;
 
@@ -489,11 +489,16 @@ static CURLcode tftp_send_first(tftp_state_data_t *state, tftp_event_t event)
     sbytes = 4 + strlen(filename) + strlen(mode);
 
     /* add tsize option */
+    if(data->set.upload && (data->set.infilesize != -1))
+      snprintf( buf, sizeof(buf), "%" FORMAT_OFF_T, data->set.infilesize );
+    else
+      strcpy(buf, "0"); /* the destination is large enough */
+
     sbytes += tftp_option_add(state, sbytes,
                               (char *)state->spacket.data+sbytes,
                               TFTP_OPTION_TSIZE);
     sbytes += tftp_option_add(state, sbytes,
-                              (char *)state->spacket.data+sbytes, "0");
+                              (char *)state->spacket.data+sbytes, buf);
     /* add blksize option */
     snprintf( buf, sizeof(buf), "%d", state->requested_blksize );
     sbytes += tftp_option_add(state, sbytes,