From: Ulrich Drepper <drepper@redhat.com>
Date: Mon, 25 Oct 1999 22:23:46 +0000 (+0000)
Subject: Account bytes needed for alignment in buflen.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=58f44f88d2e586c2fd6a86555902fbde015481c1;p=thirdparty%2Fglibc.git

Account bytes needed for alignment in buflen.
---

diff --git a/resolv/gethnamaddr.c b/resolv/gethnamaddr.c
index 5ebb434c6bf..11d144ed2ef 100644
--- a/resolv/gethnamaddr.c
+++ b/resolv/gethnamaddr.c
@@ -424,6 +424,10 @@ getanswer(answer, anslen, qname, qtype)
 				buflen -= nn;
 			}
 
+			/* XXX: when incrementing bp, we have to decrement
+			 * buflen by the same amount --okir */
+			buflen -= sizeof(align) - ((u_long)bp % sizeof(align));
+
 			bp += sizeof(align) - ((u_long)bp % sizeof(align));
 
 			if (bp + n >= &hostbuf[sizeof hostbuf]) {