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root/Development/ray/src/rt/srcsupp.c
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Comparing ray/src/rt/srcsupp.c (file contents):
Revision 1.12 by greg, Mon Aug 26 10:11:08 1991 UTC vs.
Revision 1.13 by greg, Fri Sep 13 13:44:10 1991 UTC

# Line 49 | Line 49 | initstypes()                   /* initialize source dispatch table */
49   int
50   newsource()                     /* allocate new source in our array */
51   {
52 + #define SRCINC  4
53          if (nsources == 0)
54 <                source = (SRCREC *)malloc(sizeof(SRCREC));
55 <        else
54 >                source = (SRCREC *)malloc(SRCINC*sizeof(SRCREC));
55 >        else if (nsources%SRCINC == 0)
56                  source = (SRCREC *)realloc((char *)source,
57 <                                (unsigned)(nsources+1)*sizeof(SRCREC));
57 >                                (unsigned)(nsources+SRCINC)*sizeof(SRCREC));
58          if (source == NULL)
59                  return(-1);
60          source[nsources].sflags = 0;
61          source[nsources].nhits = 1;
62          source[nsources].ntests = 2;    /* initial hit probability = 1/2 */
63          return(nsources++);
64 + #undef SRCINC
65   }
66  
67  

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