# Check for valgrind errors. Sourced by test scripts.

vg_failed() {
    echo "Valgrind error log in $VG_LOG." 1>&2
    cat $VG_LOG 1>&2
    echo $1 1>&2
    exit 1
}

vg_check()
{
    test -z "$1" || VG_LOG=$1
    test -f $VG_LOG || vg_failed Valgrind log file $VG_LOG missing.
    # Ensure there is an ERROR SUMMARY line.
    grep -E '^==[0-9]+== ERROR SUMMARY:' $VG_LOG > /dev/null || \
	vg_failed "No valgrind ERROR SUMMARY line in $VG_LOG."
    # Ensure that the number of errors is 0.
    grep -E '^==[0-9]+== ERROR SUMMARY: [^0]' $VG_LOG > /dev/null && \
	vg_failed "Valgrind reported errors in $VG_LOG; see above." 
    # Check for leaks.
    grep -E '^==[0-9]+== +.* lost: [^0]' $VG_LOG && \
	vg_failed "Found memory leaks (see log file, $VG_LOG); see above."
    true
}