X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=parser.c;h=481e7b241c47304398c21697f5f86b2ed8ae512d;hb=e6e38912837a4fe2464356408d10dee950b3121c;hp=08dc5131af11b0b219c497a28213d44daf16c760;hpb=829031aa78f85ced458ab253cdae852e01c751f2;p=xboard.git

diff --git a/parser.c b/parser.c
index 08dc513..481e7b2 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