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Comparing ray/src/common/instance.c (file contents):
Revision 1.6 by greg, Sat Dec 15 15:01:37 1990 UTC vs.
Revision 2.2 by greg, Thu Aug 6 16:46:47 1992 UTC

# Line 41 | Line 41 | int  flags;
41                          error(SYSTEM, "out of memory in getscene");
42                  sc->name = savestr(sname);
43                  sc->ldflags = 0;
44 +                sc->scube.cutree = EMPTY;
45 +                sc->scube.cuorg[0] = sc->scube.cuorg[1] =
46 +                                sc->scube.cuorg[2] = 0.;
47 +                sc->scube.cusize = 0.;
48 +                sc->firstobj = sc->nobjs = 0;
49                  sc->next = slist;
50                  slist = sc;
51          }
# Line 48 | Line 53 | int  flags;
53                  sprintf(errmsg, "cannot find octree file \"%s\"", sname);
54                  error(USER, errmsg);
55          }
56 +        if (flags & ~sc->ldflags & IO_SCENE)
57 +                sc->firstobj = nobjects;
58          readoct(pathname, flags & ~sc->ldflags, &sc->scube, NULL);
59 +        if (flags & ~sc->ldflags & IO_SCENE)
60 +                sc->nobjs = nobjects - sc->firstobj;
61          sc->ldflags |= flags;
62          return(sc);
63   }
# Line 79 | Line 88 | int  flags;
88          if (in->obj == NULL || (in->obj->ldflags & flags) != flags)
89                  in->obj = getscene(o->oargs.sarg[0], flags);
90          return(in);
91 + }
92 +
93 +
94 + freeinstance(o)         /* free memory associated with instance */
95 + OBJREC  *o;
96 + {
97 +        if (o->os == NULL)
98 +                return;
99 +        free(o->os);
100 +        o->os = NULL;
101   }

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