X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/3d88e64dfcf5dc0fd361ce0c504c67a9196ce44c..2d8cd396ba55fad14d7e03ae904d9fe8fdf1b60d:/terminal.h

diff --git a/terminal.h b/terminal.h
index 647b55db..c3ee216f 100644
--- a/terminal.h
+++ b/terminal.h
@@ -63,7 +63,7 @@ struct terminal_tag {
     struct scrollregion *scrollhead, *scrolltail;
 #endif /* OPTIMISE_SCROLL */
 
-    unsigned long curr_attr, save_attr;
+    unsigned long default_attr, curr_attr, save_attr;
     unsigned long erase_char;
 
     bufchain inbuf;		       /* terminal input buffer */
@@ -198,6 +198,16 @@ struct terminal_tag {
      * than only the default.
      */
     Config cfg;
+
+    /*
+     * from_backend calls term_out, but it can also be called from
+     * the ldisc if the ldisc is called _within_ term_out. So we
+     * have to guard against re-entrancy - if from_backend is
+     * called recursively like this, it will simply add data to the
+     * end of the buffer term_out is in the process of working
+     * through.
+     */
+    int in_term_out;
 };
 
 #define in_utf(term) ((term)->utf || (term)->ucsdata->line_codepage==CP_UTF8)