telnetd: fix compile problem for non-standalone telnetd

diff --git a/networking/telnetd.c b/networking/telnetd.c
index f04b32f..481c932 100644 (file)
--- a/networking/telnetd.c
+++ b/networking/telnetd.c
@@ -157,19 +157,20 @@ remove_iacs(struct tsession *ts, int *pnum_totty)
 }
 
 /*
- * Converting single 0xff into double on output
+ * Converting single IAC into double on output
  */
 static size_t iac_safe_write(int fd, const char *buf, size_t count)
 {
-       const char *oxff;
+       const char *IACptr;
        size_t wr, rc, total;
 
        total = 0;
        while (1) {
                if (count == 0)
                        return total;
-               if (*buf == (char)0xff) {
-                       rc = safe_write(fd, "\xff\xff", 2);
+               if (*buf == (char)IAC) {
+                       static const char IACIAC[] ALIGN1 = { IAC, IAC };
+                       rc = safe_write(fd, IACIAC, 2);
                        if (rc != 2)
                                break;
                        buf++;
@@ -177,11 +178,11 @@ static size_t iac_safe_write(int fd, const char *buf, size_t count)
                        count--;
                        continue;
                }
-               /* count != 0, *buf != 0xff */
-               oxff = memchr(buf, 0xff, count);
+               /* count != 0, *buf != IAC */
+               IACptr = memchr(buf, IAC, count);
                wr = count;
-               if (oxff)
-                       wr = oxff - buf;
+               if (IACptr)
+                       wr = IACptr - buf;
                rc = safe_write(fd, buf, wr);
                if (rc != wr)
                        break;
@@ -255,9 +256,13 @@ make_new_session(
                //memcpy(TS_BUF2, iacs_to_send, sizeof(iacs_to_send));
                //ts->rdidx2 = sizeof(iacs_to_send);
                //ts->size2 = sizeof(iacs_to_send);
-               /* So just stuff it into TCP buffer! */
+               /* So just stuff it into TCP stream! (no error check...) */
+#if ENABLE_FEATURE_TELNETD_STANDALONE
                safe_write(sock, iacs_to_send, sizeof(iacs_to_send));
-               /*ts->rdidx2 = 0; - xzalloc did it! */
+#else
+               safe_write(1, iacs_to_send, sizeof(iacs_to_send));
+#endif
+               /*ts->rdidx2 = 0; - xzalloc did it */
                /*ts->size2 = 0;*/
        }