1 files changed, 26 insertions, 0 deletions
diff --git a/src/libregexp/rregaux.c b/src/libregexp/rregaux.c
new file mode 100644
index 00000000..f4cb0068
--- /dev/null
+++ b/src/libregexp/rregaux.c
@@ -0,0 +1,26 @@
+#include "lib9.h"
+#include "regexp9.h"
+#include "regcomp.h"
+
+extern Relist*
+_rrenewemptythread(Relist *lp,	/* _relist to add to */
+	Reinst *ip,		/* instruction to add */
+	Rune *rsp)		/* pointers to subexpressions */
+{
+	Relist *p;
+
+	for(p=lp; p->inst; p++){
+		if(p->inst == ip){
+			if(rsp < p->se.m[0].s.rsp) {
+				memset((void *)&p->se, 0, sizeof(p->se));
+				p->se.m[0].s.rsp = rsp;
+			}
+			return 0;
+		}
+	}
+	p->inst = ip;
+	memset((void *)&p->se, 0, sizeof(p->se));
+	p->se.m[0].s.rsp = rsp;
+	(++p)->inst = 0;
+	return p;
+}