X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=parser.c;h=8e31362f373187f120a844cdf7c72b0a51a9720e;hb=fcc8546ae23f9aed992cd222bb1b9cab6ac642c1;hp=6da13d40b7c73700ee52e2de2dabbe149e928ed4;hpb=c2d598e998107fe4d483b1976ce2d6fd494c88a7;p=xboard.git

diff --git a/parser.c b/parser.c
index 6da13d4..8e31362 100644
--- a/parser.c
+++ b/parser.c
@@ -1,7 +1,7 @@
 /*
  * parser.c --
  *
- * Copyright 2011, 2012, 2013 Free Software Foundation, Inc.
+ * Copyright 2011, 2012, 2013, 2014 Free Software Foundation, Inc.
  * ------------------------------------------------------------------------
  *
  * GNU XBoard is free software: you can redistribute it and/or modify
@@ -174,6 +174,10 @@ NextUnit (char **p)
 	    if(fromString) return 0; // we are parsing string, so the end is really the end
 	    *p = inPtr = inputBuf;
 	    if(!ReadLine()) return 0; // EOF
+	} else if(inPtr > inputBuf + PARSEBUFSIZE/2) { // buffer fills up with already parsed stuff
+	    char *q = *p, *r = inputBuf;
+	    while(*r++ = *q++);
+	    *p = inputBuf; inPtr = r - 1;
 	}
 	parseStart = oldp = *p; // remember where we begin