New option "--extra-display" (#3, #4).

tests/Memory_safety_-_Process_title.test

@@ -0,0 +1,30 @@
+#!/bin/sh
+#
+# Run valgrind's memory checker against a process that sets is process
+# title.
+
+true "${sourcePath:?not set - call this from 'make check'}"
+true "${testSubject:?not set - call this from 'make check'}"
+true "${workFile1:?not set - call this from 'make check'}"
+true "${workFile2:?not set - call this from 'make check'}"
+true "${workFile3:?not set - call this from 'make check'}"
+true "${workFile4:?not set - call this from 'make check'}"
+
+# Load the valgrind function.
+. "${sourcePath}/tests/run-valgrind.sh"
+
+# Without an extra format string.
+(dd if=/dev/zero bs=100 count=1 2>/dev/null;
+ sleep 1;
+ dd if=/dev/zero bs=110 count=1 2>/dev/null;
+ sleep 1;
+) | { runWithValgrind -f -i 0.5 -a -x processtitle >/dev/null 2>"${workFile1}"; } 4>&1 || exit 1
+
+# With an extra format string.
+(dd if=/dev/zero bs=100 count=1 2>/dev/null;
+ sleep 1;
+ dd if=/dev/zero bs=110 count=1 2>/dev/null;
+ sleep 1;
+) | { runWithValgrind -f -i 0.5 -a -x 'processtitle:%t %b' >/dev/null 2>"${workFile1}"; } 4>&1 || exit 1
+
+exit 0

tests/run-valgrind.sh

@@ -23,6 +23,7 @@ valgrindOutputFile="valgrind.out"
 
 true "${testSubject:?not set - call this from 'make check'}"
 true "${workFile4:?not set - call this from 'make check'}"
+true "${workFile5:?not set - call this from 'make check'}"
 
 if ! command -v valgrind >/dev/null 2>&1; then
 	echo "test requires \`valgrind'"
@@ -36,9 +37,21 @@ done
 
 runWithValgrind () {
 
+	cat > "${workFile5}" <<EOF
+{
+   ignore-initproctitle-leak
+   Memcheck:Leak
+   fun:malloc
+   fun:initproctitle
+   fun:main
+}
+EOF
+
 	true > "${workFile4}"
 	valgrind --tool=memcheck \
-	  --verbose --show-error-list=yes \
+	  --verbose \
+	  --show-error-list=yes \
+	  --suppressions="${workFile5}" \
 	  --log-file="${workFile4}" \
 	  --error-exitcode=125 \
 	  --track-fds=yes \

tests/test-env.sh

@@ -22,9 +22,10 @@ workFile1=$(mktemp 2>/dev/null) || workFile1="./.tmp1"
 workFile2=$(mktemp 2>/dev/null) || workFile2="./.tmp2"
 workFile3=$(mktemp 2>/dev/null) || workFile3="./.tmp3"
 workFile4=$(mktemp 2>/dev/null) || workFile4="./.tmp4"
+workFile5=$(mktemp 2>/dev/null) || workFile4="./.tmp5"
 
 # Clean up the temporary files on exit, in case we are interrupted.
-trap 'rm -f "${workFile1}" "${workFile2}" "${workFile3}" "${workFile4}"' EXIT
+trap 'rm -f "${workFile1}" "${workFile2}" "${workFile3}" "${workFile4}" "${workFile5}"' EXIT
 
 # Variables used by the test scripts.
-export testSubject sourcePath workFile1 workFile2 workFile3 workFile4
+export testSubject sourcePath workFile1 workFile2 workFile3 workFile4 workFile5