diff options
Diffstat (limited to 'lib/libc/resolv/res_mkquery.c')
| -rw-r--r-- | lib/libc/resolv/res_mkquery.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/lib/libc/resolv/res_mkquery.c b/lib/libc/resolv/res_mkquery.c index 89000edf6ad4..60f1efc19e3f 100644 --- a/lib/libc/resolv/res_mkquery.c +++ b/lib/libc/resolv/res_mkquery.c @@ -72,6 +72,8 @@ static const char sccsid[] = "@(#)res_mkquery.c 8.1 (Berkeley) 6/4/93"; static const char rcsid[] = "$Id: res_mkquery.c,v 1.1.2.2.4.2 2004/03/16 12:34:18 marka Exp $"; #endif /* LIBC_SCCS and not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); #include "port_before.h" #include <sys/types.h> @@ -104,9 +106,9 @@ res_nmkquery(res_state statp, u_char *buf, /* buffer to put query */ int buflen) /* size of buffer */ { - register HEADER *hp; - register u_char *cp, *ep; - register int n; + HEADER *hp; + u_char *cp, *ep; + int n; u_char *dnptrs[20], **dpp, **lastdnptr; UNUSED(newrr_in); @@ -214,8 +216,8 @@ res_nopt(res_state statp, int buflen, /* size of buffer */ int anslen) /* UDP answer buffer size */ { - register HEADER *hp; - register u_char *cp, *ep; + HEADER *hp; + u_char *cp, *ep; u_int16_t flags = 0; #ifdef DEBUG @@ -234,6 +236,8 @@ res_nopt(res_state statp, ns_put16(T_OPT, cp); /* TYPE */ cp += INT16SZ; + if (anslen > 0xffff) + anslen = 0xffff; /* limit to 16bit value */ ns_put16(anslen & 0xffff, cp); /* CLASS = UDP payload size */ cp += INT16SZ; *cp++ = NOERROR; /* extended RCODE */ |