fixed bug: OO_halfflush did not work properly

diff --git a/modules/src/em_opt/nopt.c b/modules/src/em_opt/nopt.c
index be4e514..2519298 100644 (file)
--- a/modules/src/em_opt/nopt.c
+++ b/modules/src/em_opt/nopt.c
@@ -188,7 +188,7 @@ OO_halfflush()
        for(p=OO_buffer,i=n;i--;)
                C_out(p++);
        /* now copy the rest of buffer and pattern back */
-       BTSCPY(p,q,i,OO_buffer,OO_buffer+n,n+(OO_nxtpatt-OO_buffer));
+       BTSCPY(p,q,i,OO_buffer,OO_buffer+n,(OO_nxtpatt-OO_buffer)-n);
        OO_patternqueue -= n;
        OO_nxtpatt -= n;
        printstate("after Half flush");