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#include "copyright.h" |
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| 10 |
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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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|
| 46 |
< |
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); |
| 48 |
> |
static void printdefaults(void); |
| 49 |
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| 50 |
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| 51 |
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int |
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< |
main(argc, argv) |
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< |
int argc; |
| 52 |
< |
char *argv[]; |
| 52 |
> |
main(int argc, char *argv[]) |
| 53 |
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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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initotypes(); |
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/* initialize urand */ |
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initurand(2048); |
| 173 |
+ |
srandom(rand_samp ? (long)time(0) : 0L); |
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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: |
| 222 |
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sprintf(errmsg, "command line error at '%s'", argv[i]); |
| 223 |
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error(USER, errmsg); |
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+ |
return 1; /* pro forma return */ |
| 225 |
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|
| 226 |
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#undef check |
| 227 |
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#undef bool |
| 229 |
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|
| 230 |
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| 231 |
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void |
| 232 |
< |
wputs(s) /* warning output function */ |
| 233 |
< |
char *s; |
| 232 |
> |
wputs( /* warning output function */ |
| 233 |
> |
char *s |
| 234 |
> |
) |
| 235 |
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{ |
| 236 |
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int lasterrno = errno; |
| 237 |
|
eputs(s); |
| 240 |
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| 241 |
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|
| 242 |
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void |
| 243 |
< |
eputs(s) /* put string to stderr */ |
| 244 |
< |
register char *s; |
| 243 |
> |
eputs( /* put string to stderr */ |
| 244 |
> |
register char *s |
| 245 |
> |
) |
| 246 |
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{ |
| 247 |
|
static int midline = 0; |
| 248 |
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|
| 260 |
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} |
| 261 |
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|
| 262 |
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|
| 263 |
< |
void |
| 264 |
< |
onsig(signo) /* fatal signal */ |
| 265 |
< |
int signo; |
| 263 |
> |
static void |
| 264 |
> |
onsig( /* fatal signal */ |
| 265 |
> |
int signo |
| 266 |
> |
) |
| 267 |
|
{ |
| 268 |
|
static int gotsig = 0; |
| 269 |
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|
| 279 |
|
} |
| 280 |
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|
| 281 |
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|
| 282 |
< |
void |
| 283 |
< |
sigdie(signo, msg) /* set fatal signal */ |
| 284 |
< |
int signo; |
| 285 |
< |
char *msg; |
| 282 |
> |
static void |
| 283 |
> |
sigdie( /* set fatal signal */ |
| 284 |
> |
int signo, |
| 285 |
> |
char *msg |
| 286 |
> |
) |
| 287 |
|
{ |
| 288 |
|
if (signal(signo, onsig) == SIG_IGN) |
| 289 |
|
signal(signo, SIG_IGN); |
| 291 |
|
} |
| 292 |
|
|
| 293 |
|
|
| 294 |
< |
void |
| 295 |
< |
printdefaults() /* print default values to stdout */ |
| 294 |
> |
static void |
| 295 |
> |
printdefaults(void) /* print default values to stdout */ |
| 296 |
|
{ |
| 291 |
– |
register char *cp; |
| 292 |
– |
|
| 297 |
|
printf(greyscale ? "-b+\t\t\t\t# greyscale on\n" : |
| 298 |
|
"-b-\t\t\t\t# greyscale off\n"); |
| 299 |
|
printf("-vt%c\t\t\t\t# view type %s\n", ourview.type, |
