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root/Development/ray/src/rt/rview.c

Comparing ray/src/rt/rview.c (file contents):
Revision 1.12 by greg, Fri May 3 15:22:24 1991 UTC vs.
Revision 1.13 by greg, Fri May 3 15:43:32 1991 UTC

#	Line 18 | Line 18 | static char SCCSid[] = "$SunId$ LBL";
18
19		#include  <signal.h>
20
21	+	#include  <setjmp.h>
22	+
23		#include  <ctype.h>
24
25		VIEW  ourview = STDVIEW;                /* viewing parameters */
#	Line 55 | Line 57 | PNODE  ptrunk;                         /* the base of our image */
57		RECT  pframe;                           /* current frame boundaries */
58		int  pdepth;                            /* image depth in current frame */
59
60	+	static jmp_buf  mainloop;               /* longjmp back to main loop */
61		static char  *reserve_mem = NULL;       /* pre-allocated reserve memory */
62
63		#define RESERVE_AMT     8192            /* amount of memory to reserve */
#	Line 117 | Line 120 | rview()                                /* do a view */
120
121		devopen(devname);               /* open device */
122		newimage();                     /* set up image */
123	<
123	>	setjmp(mainloop);
124		for ( ; ; ) {                   /* quit in command() */
125		while (hresolu <= 1<<pdepth &&
126		vresolu <= 1<<pdepth)
#	Line 158 | Line 161 | char   *detail;
161		}
162		free(reserve_mem);
163		reserve_mem = NULL;
164	<	for ( ; ; )
164	>	do
165		command("out of memory: ");
166	+	while (reserve_mem == NULL);
167	+	longjmp(mainloop, 1);
168		}
169
170

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