src/usr.sbin/slowcgi: possible bug

[temp+101]

Hi tech@,

I recently checked the slowcgi(8) and found that it might have an issue
when buf_pos is at the end of buffer and buf_len is zero.

Am I right?

Index: slowcgi.c
===================================================================
RCS file: /cvs/src/usr.sbin/slowcgi/slowcgi.c,v
retrieving revision 1.50
diff -u -p -r1.50 slowcgi.c
--- slowcgi.c   4 Sep 2016 14:40:34 -0000       1.50
+++ slowcgi.c   2 Jan 2017 12:52:01 -0000
@@ -674,8 +674,8 @@ slowcgi_request(int fd, short events, vo
        /* Make space for further reads */
        if (c->buf_len > 0) {
                bcopy(c->buf + c->buf_pos, c->buf, c->buf_len);
-               c->buf_pos = 0;
        }
+       c->buf_pos = 0;
        return;
 fail:
        cleanup_request(c);