# This is cheap and useful for exposing code that depends on the fact that
# malloc-related functions often return memory that is mostly zeroed.
# If you have the time and cycles, use valgrind to do an even better job.
-${MALLOC_PERTURB_=87}
+: ${MALLOC_PERTURB_=87}
export MALLOC_PERTURB_
# We use a trap below for cleanup. This requires us to go through