remove unused variable from all copies of _asr_strdname()

... including those inlined into print_dname().  This also fixes
-Wunused-but-set-variable warnings warnings in smtpd and smtpctl.
The code was imported with asr and then copied around.

ok deraadt@ guenther@

2 files changed, 6 insertions, 6 deletions

diff --git a/src/regress/lib/libc/asr/bin/res_mkquery.c b/src/regress/lib/libc/asr/bin/res_mkquery.c
index b32f471cdf..ed41e1120d 100644
--- a/src/regress/lib/libc/asr/bin/res_mkquery.c
+++ b/src/regress/lib/libc/asr/bin/res_mkquery.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: res_mkquery.c,v 1.2 2018/12/15 15:16:12 eric Exp $    */
+/*      $OpenBSD: res_mkquery.c,v 1.3 2022/01/20 14:18:10 naddy Exp $   */
 /*
  * Copyright (c) 2012 Eric Faurot <eric@openbsd.org>
  *
@@ -296,7 +296,7 @@ print_dname(const char *_dname, char *buf, size_t max)
 {
         const unsigned char *dname = _dname;
         char    *res;
-        size_t   left, n, count;
+        size_t   left, count;
 
         if (_dname[0] == 0) {
                 strlcpy(buf, ".", max);
@@ -305,7 +305,7 @@ print_dname(const char *_dname, char *buf, size_t max)
 
         res = buf;
         left = max - 1;
-        for (n = 0; dname[0] && left; n += dname[0]) {
+        while (dname[0] && left) {
                 count = (dname[0] < (left - 1)) ? dname[0] : (left - 1);
                 memmove(buf, dname + 1, count);
                 dname += dname[0] + 1;
diff --git a/src/regress/lib/libc/asr/bin/res_query.c b/src/regress/lib/libc/asr/bin/res_query.c
index ca95a89a7c..a2c3686ca3 100644
--- a/src/regress/lib/libc/asr/bin/res_query.c
+++ b/src/regress/lib/libc/asr/bin/res_query.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: res_query.c,v 1.3 2018/12/15 15:16:12 eric Exp $      */
+/*      $OpenBSD: res_query.c,v 1.4 2022/01/20 14:18:10 naddy Exp $     */
 /*
  * Copyright (c) 2012 Eric Faurot <eric@openbsd.org>
  *
@@ -332,7 +332,7 @@ print_dname(const char *_dname, char *buf, size_t max)
 {
         const unsigned char *dname = _dname;
         char    *res;
-        size_t   left, n, count;
+        size_t   left, count;
 
         if (_dname[0] == 0) {
                 strlcpy(buf, ".", max);
@@ -341,7 +341,7 @@ print_dname(const char *_dname, char *buf, size_t max)
 
         res = buf;
         left = max - 1;
-        for (n = 0; dname[0] && left; n += dname[0]) {
+        while (dname[0] && left) {
                 count = (dname[0] < (left - 1)) ? dname[0] : (left - 1);
                 memmove(buf, dname + 1, count);
                 dname += dname[0] + 1;