==7978== 29 bytes in 3 blocks are definitely lost in loss record 2 of 2
==7978== at 0x4C2C66D: malloc (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==7978== by 0x4012FD: l_malloc (util.c:62)
==7978== by 0x4018EF: l_util_hexstring (util.c:372)
==7978== by 0x40118E: ie_test (in
/home/denkenz/iwd-master/unit/test-ie)
==7978== by 0x401BE7: l_test_run (test.c:83)
==7978== by 0x401016: main (in /home/denkenz/iwd-master/unit/test-ie)