Update to rra-c-util 8.2 and C TAP Harness 4.7

Update to rra-c-util 8.2:

* Implement explicit_bzero with memset if it is not available.
* Reformat all C source using clang-format 10.
* Work around Test::Strict not skipping .git directories.
* Fix warnings with perltidy 20190601 and Perl::Critic 1.134.
* Fix warnings with Clang 10, GCC 10, and the Clang static analyzer.

Update to C TAP Harness 4.7:

* Fix warnings with GCC 10.
* Reformat all C source using clang-format 10.
* Fixed malloc error checking in bstrndup.

3 files changed, 18 insertions, 14 deletions

diff --git a/tests/perl/minimum-version-t b/tests/perl/minimum-version-t
index 7d81b46..420ce36 100755
--- a/tests/perl/minimum-version-t
+++ b/tests/perl/minimum-version-t
@@ -10,7 +10,7 @@
 # which can be found at <https://www.eyrie.org/~eagle/software/rra-c-util/>.
 #
 # Written by Russ Allbery <eagle@eyrie.org>
-# Copyright 2016 Russ Allbery <eagle@eyrie.org>
+# Copyright 2016, 2019-2020 Russ Allbery <eagle@eyrie.org>
 # Copyright 2012-2014
 #     The Board of Trustees of the Leland Stanford Junior University
 #
@@ -34,17 +34,18 @@
 #
 # SPDX-License-Identifier: MIT
 
-use 5.006;
+use 5.008;
 use strict;
 use warnings;
 
 use lib "$ENV{C_TAP_SOURCE}/tap/perl";
 
-use Test::More;
 use Test::RRA qw(skip_unless_automated use_prereq);
 use Test::RRA::Automake qw(automake_setup perl_dirs);
 use Test::RRA::Config qw($MINIMUM_VERSION %MINIMUM_VERSION);
 
+use Test::More;
+
 # Skip for normal user installs since this doesn't affect functionality.
 skip_unless_automated('Minimum version tests');
 
@@ -55,7 +56,7 @@ use_prereq('Test::MinimumVersion');
 automake_setup();
 
 # For each exception case in %MINIMUM_VERSION, check the files that should
-# have that minium version.  Sort for reproducible test order.  Also
+# have that minimum version.  Sort for reproducible test order.  Also
 # accumulate the list of directories we've already tested.
 my @tested;
 for my $version (sort keys %MINIMUM_VERSION) {
diff --git a/tests/perl/module-version-t b/tests/perl/module-version-t
index 878cc2d..31ee988 100755
--- a/tests/perl/module-version-t
+++ b/tests/perl/module-version-t
@@ -12,7 +12,7 @@
 #
 # SPDX-License-Identifier: MIT
 
-use 5.006;
+use 5.008;
 use strict;
 use warnings;
 
@@ -27,11 +27,13 @@ BEGIN {
     }
 }
 
-use Getopt::Long qw(GetOptions);
 use Test::RRA qw(skip_unless_automated);
 use Test::RRA::Automake qw(automake_setup);
 use Test::RRA::ModuleVersion qw(test_module_versions update_module_versions);
 
+use Cwd qw(getcwd);
+use Getopt::Long qw(GetOptions);
+
 # Return the current version and, optionally, the package name from the NEWS
 # file.  Munges the version to be appropriate for Perl if necessary.
 #
@@ -85,9 +87,9 @@ if (!$update) {
 # Get the package name and version.
 my ($version, $package) = news_version();
 
-# rra-c-util itself checks the versions of the testing support modules instead
-# of an embedded tree of Perl modules.
-my $root = ($package eq 'rra-c-util') ? 'tests/tap/perl' : 'perl/lib';
+# rra-c-util, but only it, also checks the versions of all the testing support
+# modules.
+my $root = ($package eq 'rra-c-util') ? getcwd() : 'perl/lib';
 
 # Main routine.  We run as either a test suite or as a script to update all of
 # the module versions, selecting based on whether we got the -u / --update
@@ -114,7 +116,7 @@ B<module-version-t> [B<--update>]
 
 =head1 REQUIREMENTS
 
-Perl 5.6.2 or later.
+Perl 5.8 or later.
 
 =head1 DESCRIPTION
 
@@ -155,7 +157,7 @@ Russ Allbery <eagle@eyrie.org>
 
 =head1 COPYRIGHT AND LICENSE
 
-Copyright 2014, 2016 Russ Allbery <eagle@eyrie.org>
+Copyright 2014, 2016, 2019-2020 Russ Allbery <eagle@eyrie.org>
 
 Copyright 2013 The Board of Trustees of the Leland Stanford Junior University
 
diff --git a/tests/perl/strict-t b/tests/perl/strict-t
index 09ce157..6eae216 100755
--- a/tests/perl/strict-t
+++ b/tests/perl/strict-t
@@ -10,7 +10,7 @@
 # which can be found at <https://www.eyrie.org/~eagle/software/rra-c-util/>.
 #
 # Written by Russ Allbery <eagle@eyrie.org>
-# Copyright 2016 Russ Allbery <eagle@eyrie.org>
+# Copyright 2016, 2019 Russ Allbery <eagle@eyrie.org>
 # Copyright 2012-2014
 #     The Board of Trustees of the Leland Stanford Junior University
 #
@@ -34,17 +34,18 @@
 #
 # SPDX-License-Identifier: MIT
 
-use 5.006;
+use 5.008;
 use strict;
 use warnings;
 
 use lib "$ENV{C_TAP_SOURCE}/tap/perl";
 
-use Test::More;
 use Test::RRA qw(skip_unless_automated use_prereq);
 use Test::RRA::Automake qw(automake_setup perl_dirs);
 use Test::RRA::Config qw(@STRICT_IGNORE @STRICT_PREREQ);
 
+use Test::More;
+
 # Skip for normal user installs since this doesn't affect functionality.
 skip_unless_automated('Strictness tests');