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#include "copyright.h" |
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#include <signal.h> |
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#include <time.h> |
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#include "platform.h" |
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#include "ray.h" |
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#include "source.h" |
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#include "ambient.h" |
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#include "rpaint.h" |
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#include "random.h" |
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#include "paths.h" |
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#include "view.h" |
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extern int psample; /* pixel sample size */ |
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extern double maxdiff; /* max. sample difference */ |
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< |
void onsig(); |
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< |
void sigdie(); |
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< |
void printdefaults(); |
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> |
static void onsig(int signo); |
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> |
static void sigdie(int signo, char *msg); |
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> |
static void printdefaults(void); |
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int |
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< |
main(argc, argv) |
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int argc; |
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< |
char *argv[]; |
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> |
main(int argc, char *argv[]) |
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{ |
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#define check(ol,al) if (argv[i][ol] || \ |
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badarg(argc-i-1,argv+i+1,al)) \ |
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/* initialize object types */ |
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initotypes(); |
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/* initialize urand */ |
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< |
initurand(2048); |
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if (rand_samp) { |
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> |
srandom((long)time(0)); |
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> |
initurand(0); |
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> |
} else { |
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> |
srandom(0L); |
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> |
initurand(2048); |
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> |
} |
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/* set up signal handling */ |
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sigdie(SIGINT, "Interrupt"); |
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sigdie(SIGHUP, "Hangup"); |
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badopt: |
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sprintf(errmsg, "command line error at '%s'", argv[i]); |
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error(USER, errmsg); |
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return 1; /* pro forma return */ |
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#undef check |
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#undef bool |
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void |
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< |
wputs(s) /* warning output function */ |
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< |
char *s; |
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> |
wputs( /* warning output function */ |
| 238 |
> |
char *s |
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> |
) |
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{ |
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int lasterrno = errno; |
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eputs(s); |
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void |
| 248 |
< |
eputs(s) /* put string to stderr */ |
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< |
register char *s; |
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> |
eputs( /* put string to stderr */ |
| 249 |
> |
register char *s |
| 250 |
> |
) |
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{ |
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static int midline = 0; |
| 253 |
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| 265 |
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} |
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|
| 268 |
< |
void |
| 269 |
< |
onsig(signo) /* fatal signal */ |
| 270 |
< |
int signo; |
| 268 |
> |
static void |
| 269 |
> |
onsig( /* fatal signal */ |
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> |
int signo |
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> |
) |
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{ |
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static int gotsig = 0; |
| 274 |
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| 284 |
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} |
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| 286 |
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|
| 287 |
< |
void |
| 288 |
< |
sigdie(signo, msg) /* set fatal signal */ |
| 289 |
< |
int signo; |
| 290 |
< |
char *msg; |
| 287 |
> |
static void |
| 288 |
> |
sigdie( /* set fatal signal */ |
| 289 |
> |
int signo, |
| 290 |
> |
char *msg |
| 291 |
> |
) |
| 292 |
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{ |
| 293 |
|
if (signal(signo, onsig) == SIG_IGN) |
| 294 |
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signal(signo, SIG_IGN); |
| 296 |
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} |
| 297 |
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|
| 298 |
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|
| 299 |
< |
void |
| 300 |
< |
printdefaults() /* print default values to stdout */ |
| 299 |
> |
static void |
| 300 |
> |
printdefaults(void) /* print default values to stdout */ |
| 301 |
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{ |
| 291 |
– |
register char *cp; |
| 292 |
– |
|
| 302 |
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printf(greyscale ? "-b+\t\t\t\t# greyscale on\n" : |
| 303 |
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"-b-\t\t\t\t# greyscale off\n"); |
| 304 |
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printf("-vt%c\t\t\t\t# view type %s\n", ourview.type, |
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ourview.type==VT_HEM ? "hemispherical" : |
| 308 |
|
ourview.type==VT_ANG ? "angular" : |
| 309 |
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ourview.type==VT_CYL ? "cylindrical" : |
| 310 |
+ |
ourview.type==VT_PLS ? "planisphere" : |
| 311 |
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"unknown"); |
| 312 |
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printf("-vp %f %f %f\t# view point\n", |
| 313 |
|
ourview.vp[0], ourview.vp[1], ourview.vp[2]); |
