Update to rra-c-util 7.2 and C TAP Harness 4.3

Update to rra-c-util 7.2:

* Improve configure output for krb5-config testing.
* Define UINT32_MAX for systems that don't have it.
* Add SPDX-License-Identifier headers to all substantial source files.
* Fix new warnings from GCC 7 and Clang warnings.
* Require Test::Strict 0.25 or later to run those tests.
* Fix off-by-one error in return-value checks for snprintf.
* Use Autoconf to probe for supported warning flags.
* Fix running module-version-t -u with current versions of Perl.
* Use C_TAP_SOURCE and C_TAP_BUILD instead of SOURCE and BUILD.

Update to C TAP Harness 4.3:

* Add support for valgrind and libtool in test lists.
* Report test failures as left and right, not wanted and expected.
* Fix string comparisons with NULL pointers and the string "(null)".
* Add SPDX-License-Identifier headers to all substantial source files.
* Avoid zero-length realloc allocations in breallocarray.
* Fix new warnings from GCC 7 and Clang warnings.
* Use C_TAP_SOURCE and C_TAP_BUILD instead of SOURCE and BUILD.

1 files changed, 15 insertions, 13 deletions

diff --git a/tests/tap/libtap.sh b/tests/tap/libtap.sh
index 9731032..38181d9 100644
--- a/tests/tap/libtap.sh
+++ b/tests/tap/libtap.sh
@@ -7,10 +7,10 @@
 #
 # This file provides a TAP-compatible shell function library useful for
 # writing test cases.  It is part of C TAP Harness, which can be found at
-# <http://www.eyrie.org/~eagle/software/c-tap-harness/>.
+# <https://www.eyrie.org/~eagle/software/c-tap-harness/>.
 #
 # Written by Russ Allbery <eagle@eyrie.org>
-# Copyright 2009, 2010, 2011, 2012 Russ Allbery <eagle@eyrie.org>
+# Copyright 2009, 2010, 2011, 2012, 2016 Russ Allbery <eagle@eyrie.org>
 # Copyright 2006, 2007, 2008, 2013
 #     The Board of Trustees of the Leland Stanford Junior University
 #
@@ -31,6 +31,8 @@
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 # IN THE SOFTWARE.
+#
+# SPDX-License-Identifier: MIT
 
 # Print out the number of test cases we expect to run.
 plan () {
@@ -212,32 +214,32 @@ diag () {
     echo '#' "$@"
 }
 
-# Search for the given file first in $BUILD and then in $SOURCE and echo the
-# path where the file was found, or the empty string if the file wasn't
-# found.
+# Search for the given file first in $C_TAP_BUILD and then in $C_TAP_SOURCE
+# and echo the path where the file was found, or the empty string if the file
+# wasn't found.
 #
 # This macro uses puts, so don't run it using backticks inside double quotes
 # or bizarre quoting behavior will happen with Solaris sh.
 test_file_path () {
-    if [ -n "$BUILD" ] && [ -f "$BUILD/$1" ] ; then
-        puts "$BUILD/$1"
-    elif [ -n "$SOURCE" ] && [ -f "$SOURCE/$1" ] ; then
-        puts "$SOURCE/$1"
+    if [ -n "$C_TAP_BUILD" ] && [ -f "$C_TAP_BUILD/$1" ] ; then
+        puts "$C_TAP_BUILD/$1"
+    elif [ -n "$C_TAP_SOURCE" ] && [ -f "$C_TAP_SOURCE/$1" ] ; then
+        puts "$C_TAP_SOURCE/$1"
     else
         echo ''
     fi
 }
 
-# Create $BUILD/tmp for use by tests for storing temporary files and return
-# the path (via standard output).
+# Create $C_TAP_BUILD/tmp for use by tests for storing temporary files and
+# return the path (via standard output).
 #
 # This macro uses puts, so don't run it using backticks inside double quotes
 # or bizarre quoting behavior will happen with Solaris sh.
 test_tmpdir () {
-    if [ -z "$BUILD" ] ; then
+    if [ -z "$C_TAP_BUILD" ] ; then
         tap_tmpdir="./tmp"
     else
-        tap_tmpdir="$BUILD"/tmp
+        tap_tmpdir="$C_TAP_BUILD"/tmp
     fi
     if [ ! -d "$tap_tmpdir" ] ; then
         mkdir "$tap_tmpdir" || bail "Error creating $tap_tmpdir"