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root/radiance/ray/src/rt/rcontrib.c
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Comparing ray/src/rt/rcontrib.c (file contents):
Revision 2.25 by greg, Wed May 20 13:16:20 2015 UTC vs.
Revision 2.26 by greg, Wed Jul 15 23:38:37 2015 UTC

# Line 103 | Line 103 | addmodifier(char *modn, char *outf, char *prms, char *
103          }
104          if (nmods >= MAXMODLIST)
105                  error(INTERNAL, "too many modifiers");
106 +        if (!strcmp(modn, VOIDID)) {
107 +                sprintf(errmsg, "cannot track '%s' modifier", VOIDID);
108 +                error(USER, errmsg);
109 +        }
110          modname[nmods++] = modn;        /* XXX assumes static string */
111          lep->key = modn;                /* XXX assumes static string */
112          if (binv == NULL)

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