use https://www.gnu.org instead of http://www.gnu.org

www.gnu.org has offered https for years now.

COPYING

@@ -645,7 +645,7 @@ the "copyright" line and a pointer to where the full notice is found.
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 Also add information on how to contact you by electronic and paper mail.
 
@@ -664,14 +664,14 @@ might be different; for a GUI interface, you would use an "about box".
   You should also get your employer (if you work as a programmer) or school,
 if any, to sign a "copyright disclaimer" for the program, if necessary.
 For more information on this, and how to apply and follow the GNU GPL, see
-<http://www.gnu.org/licenses/>.
+<https://www.gnu.org/licenses/>.
 
   The GNU General Public License does not permit incorporating your program
 into proprietary programs.  If your program is a subroutine library, you
 may consider it more useful to permit linking proprietary applications with
 the library.  If this is what you want to do, use the GNU Lesser General
 Public License instead of this License.  But first, please read
-<http://www.gnu.org/philosophy/why-not-lgpl.html>.
+<https://www.gnu.org/philosophy/why-not-lgpl.html>.
 
   In addition, as a special exception, the copyright holders give
 permission to link the code of portions of this program with the

Doxyfile.in

@@ -20,7 +20,7 @@
 # This tag specifies the encoding used for all characters in the config file
 # that follow. The default is UTF-8 which is also the encoding used for all text
 # before the first occurrence of this tag. Doxygen uses libiconv (or the iconv
-# built into libc) for the transcoding. See http://www.gnu.org/software/libiconv
+# built into libc) for the transcoding. See https://www.gnu.org/software/libiconv
 # for the list of possible encodings.
 # The default value is: UTF-8.
 
@@ -790,7 +790,7 @@ INPUT                  = doc/doxygen/Doxy.page.h \
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
 # libiconv (or the iconv built into libc) for the transcoding. See the libiconv
-# documentation (see: http://www.gnu.org/software/libiconv) for the list of
+# documentation (see: https://www.gnu.org/software/libiconv) for the list of
 # possible encodings.
 # The default value is: UTF-8.
 
@@ -995,7 +995,7 @@ SOURCE_TOOLTIPS        = YES
 # If the USE_HTAGS tag is set to YES then the references to source code will
 # point to the HTML generated by the htags(1) tool instead of doxygen built-in
 # source browser. The htags tool is part of GNU's global source tagging system
-# (see http://www.gnu.org/software/global/global.html). You will need version
+# (see https://www.gnu.org/software/global/global.html). You will need version
 # 4.8.6 or higher.
 #
 # To use it do the following:

m4/ax_check_compile_flag.m4

 # ===========================================================================
-#   http://www.gnu.org/software/autoconf-archive/ax_check_compile_flag.html
+#   https://www.gnu.org/software/autoconf-archive/ax_check_compile_flag.html
 # ===========================================================================
 #
 # SYNOPSIS
@@ -38,7 +38,7 @@
 #   Public License for more details.
 #
 #   You should have received a copy of the GNU General Public License along
-#   with this program. If not, see <http://www.gnu.org/licenses/>.
+#   with this program. If not, see <https://www.gnu.org/licenses/>.
 #
 #   As a special exception, the respective Autoconf Macro's copyright owner
 #   gives unlimited permission to copy, distribute and modify the configure

m4/ax_check_link_flag.m4

 # ===========================================================================
-#    http://www.gnu.org/software/autoconf-archive/ax_check_link_flag.html
+#    https://www.gnu.org/software/autoconf-archive/ax_check_link_flag.html
 # ===========================================================================
 #
 # SYNOPSIS
@@ -38,7 +38,7 @@
 #   Public License for more details.
 #
 #   You should have received a copy of the GNU General Public License along
-#   with this program. If not, see <http://www.gnu.org/licenses/>.
+#   with this program. If not, see <https://www.gnu.org/licenses/>.
 #
 #   As a special exception, the respective Autoconf Macro's copyright owner
 #   gives unlimited permission to copy, distribute and modify the configure

m4/code-coverage.m4

@@ -10,7 +10,7 @@
 # PURPOSE.  See the GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License along 
-# with this program.  If not, see <http://www.gnu.org/licenses/>.
+# with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 AC_DEFUN([AX_CODE_COVERAGE], [
 	dnl Check for --enable-code-coverage

m4/sanitizer.m4

@@ -10,7 +10,7 @@
 # PURPOSE.  See the GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License along
-# with this program.  If not, see <http://www.gnu.org/licenses/>.
+# with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 #
 # Processes --with-sanitizer, --with-fuzzer, and --with-oss-fuzz flags, checks

src/contrib/asan.h

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
 #pragma once

src/contrib/base32hex.c

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 #include "contrib/base32hex.h"

src/contrib/base32hex.h

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 /*!
  * \brief Base32hex implementation (RFC 4648).

src/contrib/base64.c

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 #include "contrib/base64.h"

src/contrib/base64.h

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 /*!
  * \brief Base64 implementation (RFC 4648).

src/contrib/ctype.h

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 /*!
  * \brief Locale-independent ctype functions.

src/contrib/dnstap/convert.c

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
 #include <sys/socket.h>

src/contrib/dnstap/convert.h

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 /*!
  * \brief Dnstap identifiers conversions.

src/contrib/dnstap/dnstap.c

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 #include <stdint.h>

src/contrib/dnstap/dnstap.h

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 /*!
  * \author Robert Edmonds <edmonds@fsi.io>

src/contrib/dnstap/message.c

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 #include <netinet/in.h>

src/contrib/dnstap/message.h

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 /*!
  * \author Robert Edmonds <edmonds@fsi.io>

src/contrib/dnstap/reader.c

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 #include <stdint.h>

src/contrib/dnstap/reader.h

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 /*!
  * \brief Dnstap file reader.

src/contrib/dnstap/writer.c

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 #include <stdint.h>

src/contrib/dnstap/writer.h

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 /*!
  * \author Robert Edmonds <edmonds@fsi.io>

src/contrib/dynarray.h

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 /*!
  * \brief Simple write-once allocation-optimal dynamic array.

src/contrib/files.c

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
 #include <assert.h>

src/contrib/files.h

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
 #pragma once

src/contrib/getline.c

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
 // FreeBSD POSIX2008 getline

src/contrib/getline.h

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 /*!
  * \brief Multiplatform getline wrapper.

src/contrib/macros.h

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 /*!
  * \brief Common macros.

src/contrib/mempattern.c

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 #include <stdlib.h>

src/contrib/mempattern.h

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 /*!
  * \brief Memory allocation related functions.

src/contrib/net.c

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 #include <assert.h>

src/contrib/net.h

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
 #pragma once

src/contrib/qp-trie/trie.c

@@ -12,7 +12,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
     The code originated from https://github.com/fanf2/qp/blob/master/qp.c
     at revision 5f6d93753.

src/contrib/qp-trie/trie.h

@@ -12,7 +12,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 #pragma once

src/contrib/sockaddr.c

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 #include <stdio.h>

src/contrib/sockaddr.h

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 #pragma once

src/contrib/string.c

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
 #include <stdarg.h>

src/contrib/string.h

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 /*!
  * \brief String manipulations.

src/contrib/strtonum.h

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
 #pragma once

src/contrib/time.c

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 #include <assert.h>

src/contrib/time.h

@@ -11,7 +11,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 #pragma once

src/contrib/tolower.h

@@ -11,7 +11,7 @@