(message_dolog): Do nothing if Vmemory_full is non-nil.

(back_to_previous_visible_line_start)
(reseat_at_next_visible_line_start, next_element_from_buffer):
Use `double', not `float', when calling indented_beyond_p.

1 files changed, 9 insertions, 5 deletions

diff --git a/src/xdisp.c b/src/xdisp.c
index 524bb42bab2..e594ca20c74 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -3920,7 +3920,7 @@ back_to_previous_visible_line_start (it)
          are invisible.  */
       if (it->selective > 0
           && indented_beyond_p (IT_CHARPOS (*it), IT_BYTEPOS (*it),
-                                (float) it->selective)) /* iftc */
+                                (double) it->selective)) /* iftc */
         visible_p = 0;
       else
         {
@@ -3980,7 +3980,7 @@ reseat_at_next_visible_line_start (it, on_newline_p)
   if (it->selective > 0)
     while (IT_CHARPOS (*it) < ZV
            && indented_beyond_p (IT_CHARPOS (*it), IT_BYTEPOS (*it),
-                                 (float) it->selective)) /* iftc */
+                                 (double) it->selective)) /* iftc */
       {
         xassert (FETCH_BYTE (IT_BYTEPOS (*it) - 1) == '\n');
         newline_found_p = forward_to_next_line_start (it, &skipped_p);
@@ -4873,7 +4873,7 @@ next_element_from_buffer (it)
                   && IT_CHARPOS (*it) + 1 < ZV
                   && indented_beyond_p (IT_CHARPOS (*it) + 1,
                                         IT_BYTEPOS (*it) + 1,
-                                        (float) it->selective)) /* iftc */
+                                        (double) it->selective)) /* iftc */
                 {
                   success_p = next_element_from_ellipsis (it);
                   it->dpvec_char_len = -1;
@@ -5656,6 +5656,9 @@ message_dolog (m, nbytes, nlflag, multibyte)
      char *m;
      int nbytes, nlflag, multibyte;
 {
+  if (!NILP (Vmemory_full))
+    return;
+
   if (!NILP (Vmessage_log_max))
     {
       struct buffer *oldbuf;
@@ -6216,8 +6219,8 @@ update_echo_area ()
 }
 
 
-/* Make sure echo area buffers in echo_buffers[] are life.  If they
-   aren't, make new ones.  */
+/* Make sure echo area buffers in `echo_buffers' are live.
+   If they aren't, make new ones.  */
 
 static void
 ensure_echo_area_buffers ()
@@ -6448,6 +6451,7 @@ setup_echo_area_for_printing (multibyte_p)
         {
           int count = SPECPDL_INDEX ();
           specbind (Qinhibit_read_only, Qt);
+          /* Note that undo recording is always disabled.  */
           del_range (BEG, Z);
           unbind_to (count, Qnil);
         }