+ hpc_tixfile = getenv("HPCTIXFILE");
+
+ /* XXX Check results of mallocs/strdups, and check we are requesting
+ enough bytes */
+ if (hpc_tixfile != NULL) {
+ tixFilename = strdup(hpc_tixfile);
+ } else if (hpc_tixdir != NULL) {
+ /* Make sure the directory is present;
+ * conditional code for mkdir lifted from lndir.c