34817: Catch some errors earlier when reading history.

Mostly for the case of an interrupt.

Don't try to process words when we know something's gone wrong.

Also abort history reading earlier on an interrupt.

1 files changed, 2 insertions, 0 deletions

diff --git a/Src/lex.c b/Src/lex.c
index 5fed2be49..184a54b0b 100644
--- a/Src/lex.c
+++ b/Src/lex.c
@@ -1345,6 +1345,8 @@ gettokstr(int c, int sub)
 	    break;
     }
   brk:
+    if (errflag)
+	return LEXERR;
     hungetc(c);
     if (unmatched)
 	zerr("unmatched %c", unmatched);