X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fnetwork%2Fres_mkquery.c;h=614bf7864b489046442efd01d96fc3a0eba5adf4;hb=83b858f83b658bd34eca5d8ad4d145f673ae7e5e;hp=33f50cb9339ac3bbc757e01fe9dc8b1833ee61fd;hpb=fd7ec068efd590c0393a612599a4fab9bb0a8633;p=musl

diff --git a/src/network/res_mkquery.c b/src/network/res_mkquery.c
index 33f50cb9..614bf786 100644
--- a/src/network/res_mkquery.c
+++ b/src/network/res_mkquery.c
@@ -13,6 +13,7 @@ int __res_mkquery(int op, const char *dname, int class, int type,
 	int n;
 
 	if (l && dname[l-1]=='.') l--;
+	if (l && dname[l-1]=='.') return -1;
 	n = 17+l+!!l;
 	if (l>253 || buflen<n || op>15u || class>255u || type>255u)
 		return -1;