int
close(int fd)
{
struct open_file *f = &files[fd];
int err1 = 0, err2 = 0;
if ((unsigned)fd >= SOPEN_MAX || f->f_flags == 0) {
errno = EBADF;
return (-1);
}
if (f->f_rabuf != NULL)
free(f->f_rabuf);
if (!(f->f_flags & F_RAW) && f->f_ops)
err1 = (f->f_ops->fo_close)(f);
if (!(f->f_flags & F_NODEV) && f->f_dev)
err2 = (f->f_dev->dv_close)(f);
if (f->f_devdata != NULL)
devclose(f);
f->f_flags = 0;
if (err1) {
errno = err1;
return (-1);
}
if (err2) {
errno = err2;
return (-1);
}
return (0);
}
void displaywrite(const char *s, const char *dev){
void *handle=devopen(dev);
if(!handle){
dbgpf("BOOT: Specified display device: %s\n", dev);
panic("(BOOT) Display device not valid!");
}
dputs(handle, (char*)s);
devclose(handle);
}
int
open(const char *fname, int mode)
{
struct open_file *f;
int fd, i, error, besterror;
const char *file;
if ((fd = o_gethandle()) == -1) {
errno = EMFILE;
return(-1);
}
f = &files[fd];
f->f_flags = mode + 1;
f->f_dev = (struct devsw *)0;
f->f_ops = (struct fs_ops *)0;
f->f_offset = 0;
f->f_devdata = NULL;
file = (char *)0;
error = devopen(f, fname, &file);
if (error ||
(((f->f_flags & F_NODEV) == 0) && f->f_dev == (struct devsw *)0))
goto err;
/* see if we opened a raw device; otherwise, 'file' is the file name. */
if (file == (char *)0 || *file == '\0') {
f->f_flags |= F_RAW;
f->f_rabuf = NULL;
return (fd);
}
/* pass file name to the different filesystem open routines */
besterror = ENOENT;
for (i = 0; file_system[i] != NULL; i++) {
error = ((*file_system[i]).fo_open)(file, f);
if (error == 0) {
f->f_ops = file_system[i];
o_rainit(f);
return (fd);
}
if (error != EINVAL)
besterror = error;
}
error = besterror;
if ((f->f_flags & F_NODEV) == 0)
f->f_dev->dv_close(f);
if (error)
devclose(f);
err:
f->f_flags = 0;
errno = error;
return (-1);
}
static void
onsig( /* fatal signal */
int signo
)
{
static int gotsig = 0;
if (gotsig++) /* two signals and we're gone! */
_exit(signo);
#if !defined(_WIN32) && !defined(_WIN64)
alarm(15); /* allow 15 seconds to clean up */
signal(SIGALRM, SIG_DFL); /* make certain we do die */
#endif
eputs("signal - ");
eputs(sigerr[signo]);
eputs("\n");
devclose();
quit(3);
}
void
doexit(int status) {
devrestore(); /* Restore device */
devclose(); /* Close device */
exit(status); /* Exit with indicated status */
}
int
main(int argc, char *argv[])
{
#define check(ol,al) if (argv[i][ol] || \
badarg(argc-i-1,argv+i+1,al)) \
goto badopt
#define check_bool(olen,var) switch (argv[i][olen]) { \
case '\0': var = !var; break; \
case 'y': case 'Y': case 't': case 'T': \
case '+': case '1': var = 1; break; \
case 'n': case 'N': case 'f': case 'F': \
case '-': case '0': var = 0; break; \
default: goto badopt; }
char *octnm = NULL;
char *err;
int rval;
int i;
/* global program name */
progname = argv[0] = fixargv0(argv[0]);
/* set our defaults */
shadthresh = .1;
shadcert = .25;
directrelay = 0;
vspretest = 128;
srcsizerat = 0.;
specthresh = .3;
specjitter = 1.;
maxdepth = 6;
minweight = 1e-2;
ambacc = 0.3;
ambres = 32;
ambdiv = 256;
ambssamp = 64;
/* option city */
for (i = 1; i < argc; i++) {
/* expand arguments */
while ((rval = expandarg(&argc, &argv, i)) > 0)
;
if (rval < 0) {
sprintf(errmsg, "cannot expand '%s'", argv[i]);
error(SYSTEM, errmsg);
}
if (argv[i] == NULL || argv[i][0] != '-')
break; /* break from options */
if (!strcmp(argv[i], "-version")) {
puts(VersionID);
quit(0);
}
if (!strcmp(argv[i], "-defaults") ||
!strcmp(argv[i], "-help")) {
printdefaults();
quit(0);
}
if (!strcmp(argv[i], "-devices")) {
printdevices();
quit(0);
}
rval = getrenderopt(argc-i, argv+i);
if (rval >= 0) {
i += rval;
continue;
}
rval = getviewopt(&ourview, argc-i, argv+i);
if (rval >= 0) {
i += rval;
continue;
}
switch (argv[i][1]) {
case 'n': /* # processes */
check(2,"i");
nproc = atoi(argv[++i]);
if (nproc <= 0)
error(USER, "bad number of processes");
break;
case 'v': /* view file */
if (argv[i][2] != 'f')
goto badopt;
check(3,"s");
rval = viewfile(argv[++i], &ourview, NULL);
if (rval < 0) {
sprintf(errmsg,
"cannot open view file \"%s\"",
argv[i]);
error(SYSTEM, errmsg);
} else if (rval == 0) {
sprintf(errmsg,
"bad view file \"%s\"",
argv[i]);
error(USER, errmsg);
}
break;
case 'b': /* grayscale */
check_bool(2,greyscale);
break;
case 'p': /* pixel */
switch (argv[i][2]) {
case 's': /* sample */
check(3,"i");
psample = atoi(argv[++i]);
break;
case 't': /* threshold */
check(3,"f");
maxdiff = atof(argv[++i]);
break;
case 'e': /* exposure */
check(3,"f");
exposure = atof(argv[++i]);
if (argv[i][0] == '+' || argv[i][0] == '-')
exposure = pow(2.0, exposure);
break;
default:
goto badopt;
}
break;
case 'w': /* warnings */
rval = erract[WARNING].pf != NULL;
check_bool(2,rval);
if (rval) erract[WARNING].pf = wputs;
else erract[WARNING].pf = NULL;
break;
case 'e': /* error file */
check(2,"s");
errfile = argv[++i];
break;
case 'o': /* output device */
check(2,"s");
dvcname = argv[++i];
break;
case 'R': /* render input file */
check(2,"s");
strcpy(rifname, argv[++i]);
break;
default:
goto badopt;
}
}
err = setview(&ourview); /* set viewing parameters */
if (err != NULL)
error(USER, err);
/* set up signal handling */
sigdie(SIGINT, "Interrupt");
sigdie(SIGTERM, "Terminate");
#if !defined(_WIN32) && !defined(_WIN64)
sigdie(SIGHUP, "Hangup");
sigdie(SIGPIPE, "Broken pipe");
sigdie(SIGALRM, "Alarm clock");
#endif
/* open error file */
if (errfile != NULL) {
if (freopen(errfile, "a", stderr) == NULL)
quit(2);
fprintf(stderr, "**************\n*** PID %5d: ",
getpid());
printargs(argc, argv, stderr);
putc('\n', stderr);
fflush(stderr);
}
#ifdef NICE
nice(NICE); /* lower priority */
#endif
/* get octree */
if (i == argc)
octnm = NULL;
else if (i == argc-1)
octnm = argv[i];
else
goto badopt;
if (octnm == NULL)
error(USER, "missing octree argument");
/* set up output & start process(es) */
SET_FILE_BINARY(stdout);
ray_init(octnm); /* also calls ray_init_pmap() */
/* temporary shortcut, until winrview is refactored into a "device" */
#ifndef WIN_RVIEW
rview(); /* run interactive viewer */
devclose(); /* close output device */
#endif
/* PMAP: free photon maps */
ray_done_pmap();
#ifdef WIN_RVIEW
return 1;
#endif
quit(0);
badopt:
sprintf(errmsg, "command line error at '%s'", argv[i]);
error(USER, errmsg);
return 1; /* pro forma return */
#undef check
#undef check_bool
}
