[hackers] [quark] Don't let r be uninitialized || FRIGN

[git]

commit a0a2b864a69acca492e8e78ff2c246d37ed42346
Author: FRIGN <d...@frign.de>
Date:   Wed Aug 13 21:05:53 2014 +0200

    Don't let r be uninitialized
    
    Restore the functionality before the do-while-loop was removed.

diff --git a/quark.c b/quark.c
index 259b5cf..831564b 100644
--- a/quark.c
+++ b/quark.c
@@ -397,14 +397,16 @@ request(void) {
        size_t offset = 0;
 
        /* read request into reqbuf (MAXBUFLEN byte of reqbuf is emergency 0 
terminator */
-       for (; r > 0 && offset < MAXBUFLEN && (!strstr(reqbuf, "
") || !strstr(reqbuf, "
"));) {
-               if ((r = read(req.fd, reqbuf + offset, MAXBUFLEN - offset)) == 
-1) {
-                       logerrmsg("error        read: %s
", strerror(errno));
-                       return -1;
-               }
+       for (; (r = read(req.fd, reqbuf + offset, MAXBUFLEN - offset)) > 0 && 
offset < MAXBUFLEN
+               && (!strstr(reqbuf, "
") || !strstr(reqbuf, "
")); )
+       {
                offset += r;
                reqbuf[offset] = 0;
        }
+       if (r == -1) {
+               logerrmsg("error        read: %s
", strerror(errno));
+               return -1;
+       }
 
        /* extract host and mod */
        if (getreqentry("Host:", reqhost, LENGTH(reqhost), "    
") != 0)