(Fbuffer_swap_text): Signal error if swapping a dead buffer.

2008-12-09 23:08:05 +00:00
parent 9af886ee0f
commit dc9cc5743b
1 changed files with 3 additions and 0 deletions
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -2192,6 +2192,9 @@ DEFUN ("buffer-swap-text", Fbuffer_swap_text, Sbuffer_swap_text,
  CHECK_BUFFER (buffer);
  other_buffer = XBUFFER (buffer);

+  if (NILP (other_buffer->name))
+    error ("Cannot swap a dead buffer's text");    
+
  /* Actually, it probably works just fine.
   * if (other_buffer == current_buffer)
   *   error ("Cannot swap a buffer's text with itself"); */