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root/Development/ray/src/hd/holofile.c

Comparing ray/src/hd/holofile.c (file contents):
Revision 3.39 by gwlarson, Tue Mar 9 08:40:11 1999 UTC vs.
Revision 3.40 by gwlarson, Fri Mar 12 09:37:48 1999 UTC

#	Line 61 | Line 61 | static struct fraglist {
61		static int      nhdfragls;      /* size of hdfragl array */
62
63
64	+	HOLO *
65	+	hdalloc(hproto)         /* allocate and set holodeck section based on grid */
66	+	HDGRID  *hproto;
67	+	{
68	+	HOLO    hdhead;
69	+	register HOLO   *hp;
70	+	int     n;
71	+	/* copy grid to temporary header */
72	+	bcopy((char *)hproto, (char *)&hdhead, sizeof(HDGRID));
73	+	/* compute grid vectors and sizes */
74	+	hdcompgrid(&hdhead);
75	+	/* allocate header with directory */
76	+	n = sizeof(HOLO)+nbeams(&hdhead)*sizeof(BEAMI);
77	+	if ((hp = (HOLO *)malloc(n)) == NULL)
78	+	return(NULL);
79	+	/* copy header information */
80	+	copystruct(hp, &hdhead);
81	+	/* allocate and clear beam list */
82	+	hp->bl = (BEAM **)malloc((nbeams(hp)+1)*sizeof(BEAM *)+sizeof(BEAM));
83	+	if (hp->bl == NULL) {
84	+	free((char *)hp);
85	+	return(NULL);
86	+	}
87	+	bzero((char *)hp->bl, (nbeams(hp)+1)*sizeof(BEAM *)+sizeof(BEAM));
88	+	hp->bl[0] = (BEAM *)(hp->bl+nbeams(hp)+1);      /* set blglob(hp) */
89	+	hp->fd = -1;
90	+	hp->dirty = 0;
91	+	hp->priv = NULL;
92	+	/* clear beam directory */
93	+	bzero((char *)hp->bi, (nbeams(hp)+1)*sizeof(BEAMI));
94	+	return(hp);             /* all is well */
95	+	}
96	+
97	+
98		char *
99		hdrealloc(ptr, siz, rout)       /* (re)allocate memory, retry then error */
100		char    *ptr;

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