amd, pop3d: bugfixes.

* mailbox/amd.c (amd_body_stream_readdelim): Fix the logic.
* mailbox/message.c (_message_stream_seek): Fix seeks in
backward direction.
* pop3d/top.c: Fix output of the body.

@@ -1648,7 +1648,6 @@ amd_body_stream_readdelim (mu_stream_t is, char *buffer, size_t buflen,
   mu_body_t body = amdstr->body;
   mu_message_t msg = mu_body_get_owner (body);
   struct _amd_message *mhm = mu_message_get_owner (msg);
-  size_t nread = 0;
   int status = 0;
 
   amd_pool_open (mhm);
@@ -1656,7 +1655,7 @@ amd_body_stream_readdelim (mu_stream_t is, char *buffer, size_t buflen,
   if (buffer == NULL || buflen == 0)
     {
       if (pnread)
-	*pnread = nread;
+	*pnread = 0;
       return 0;
     }
 
@@ -1669,27 +1668,22 @@ amd_body_stream_readdelim (mu_stream_t is, char *buffer, size_t buflen,
 
   status = mu_stream_seek (mhm->stream, mhm->body_start + amdstr->off,
 			   MU_SEEK_SET, NULL);
-  if (status)
-    {
-      buflen--;
-      while (buflen)
+  if (status == 0)
     {
-	  size_t ln, rdsize;
+      size_t nread = 0;
+      size_t ln;
 	  
-	  ln = mhm->body_end - (mhm->body_start + amdstr->off);
+      ln = mhm->body_end - (mhm->body_start + amdstr->off) + 1;
       if (ln > 0)
 	{
-	      rdsize = ((size_t)ln < buflen) ? (size_t)ln : buflen;
+	  size_t rdsize = ((size_t)ln < buflen) ? (size_t)ln : buflen;
 	  status = mu_stream_readdelim (mhm->stream, buffer, rdsize,
-					    delim, &rdsize);
-	      amdstr->off += nread;
-	      nread += rdsize;
-	      if (status)
-		break;
-	      buflen -= rdsize;
-	      buffer += rdsize;
-	    }
+					delim, &nread);
+	  amdstr->off += rdsize;
 	}
+
+      if (pnread)
+	*pnread = nread;
     }
 
   mu_monitor_unlock (mhm->amd->mailbox->monitor);
@@ -1697,8 +1691,6 @@ amd_body_stream_readdelim (mu_stream_t is, char *buffer, size_t buflen,
   pthread_cleanup_pop (0);
 #endif
 
-  if (pnread)
-    *pnread = nread;
   return status;
 }
 

@@ -182,7 +182,17 @@ _message_stream_seek (struct _mu_stream *str, mu_off_t off, mu_off_t *ppos)
 	return rc;
       /* fall through */
     case _mss_body:
+      if (off > hsize)
 	off -= hsize;	
+      else
+	{
+	  mu_stream_destroy (&sp->transport);
+	  sp->state = _mss_init;
+	  rc = _check_stream_state (sp);
+	  if (rc)
+	    return rc;
+	}
+
       break;
 
     default:

@@ -71,13 +71,13 @@ pop3d_top (char *arg)
     {
       char *buf = NULL;
       size_t size = 0, n;
-      while (lines > 0 &&
+      for (; lines > 0 &&
 	     mu_stream_getline (stream, &buf, &size, &n) == 0 &&
-	     n > 0)
+	     n > 0; lines--)
 	{
 	  if (buf[0] == '.')
 	    pop3d_outf (".");
-	  pop3d_outf ("%s\n", buf);
+	  pop3d_outf ("%s", buf);
 	}
       mu_stream_destroy (&stream);
       free (buf);