From: Jim Meyering <meyering@redhat.com>
Date: Thu, 13 Aug 2009 16:29:59 +0000 (+0200)
Subject: tests: increase likelihood that heap abuse triggers failure
X-Git-Tag: 1.0.67~1
X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=commitdiff_plain;h=33f53aeb5061cb64aabdaa181632e080f4f4d898

tests: increase likelihood that heap abuse triggers failure

* regressions/Makefile.am (TESTS_ENVIRONMENT): Always set
MALLOC_PERTURB_ to a random value in 1..255.
---

diff --git a/regressions/Makefile.am b/regressions/Makefile.am
index a51c76b..3279f95 100644
--- a/regressions/Makefile.am
+++ b/regressions/Makefile.am
@@ -40,7 +40,10 @@ SKIPPED_TESTS = \
 FAILING_TESTS = \
 	test-qemudie-launchfail.sh
 
+random_val := $(shell awk 'BEGIN{srand(); print 1+int(255*rand())}' < /dev/null)
+
 TESTS_ENVIRONMENT = \
+	MALLOC_PERTURB_=$(random_val) \
 	LD_LIBRARY_PATH=$(top_builddir)/src/.libs \
 	LIBGUESTFS_PATH=$(top_builddir)/appliance \
 	NOEXEC_CHECK="$(top_builddir)/src/.libs/libguestfs.so $(top_builddir)/daemon/guestfsd"