+ s = (char *)srcblk;
+ d = getenv("HOME");
+ if (!d) d = "";
+ xstrlcat(s, d, PATH_MAX > sizeof(srcblk) ? sizeof(srcblk) : PATH_MAX);
+ xstrlcat(s, "/.tfcrypt.defs", PATH_MAX > sizeof(srcblk) ? sizeof(srcblk) : PATH_MAX);
+ read_defaults(s, YES);
+ memset(s, 0, PATH_MAX > sizeof(srcblk) ? sizeof(srcblk) : PATH_MAX);
+