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#include "ray.h" |
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#include <sys/types.h> |
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|
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#ifndef NIX |
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#ifdef BSD |
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#include <sys/time.h> |
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#include <sys/resource.h> |
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#else |
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#include <sys/times.h> |
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#include <sys/utsname.h> |
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#include <limits.h> |
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#endif |
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#endif |
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|
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extern time_t time(); |
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|
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#include <signal.h> |
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#include "view.h" |
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|
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double pctdone = 0.0; /* percentage done */ |
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|
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long tlastrept = 0L; /* time at last report */ |
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time_t tlastrept = 0L; /* time at last report */ |
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|
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extern long time(); |
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extern long tstart; /* starting time */ |
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extern time_t tstart; /* starting time */ |
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|
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extern unsigned long nrays; /* number of rays traced */ |
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double pixvalue(); |
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|
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#ifdef NIX |
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#define file_exists(f) (access(f,F_OK)==0) |
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#else |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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int |
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file_exists(fname) /* ordinary file exists? */ |
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char *fname; |
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{ |
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struct stat sbuf; |
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if (stat(fname, &sbuf) < 0) return(0); |
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return((sbuf.st_mode & S_IFREG) != 0); |
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} |
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#endif |
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|
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|
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quit(code) /* quit program */ |
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int code; |
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{ |
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} |
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#ifdef BSD |
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#ifndef NIX |
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report() /* report progress */ |
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{ |
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double u, s; |
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#ifdef BSD |
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char hostname[257]; |
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struct rusage rubuf; |
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double t; |
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#else |
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struct tms tbuf; |
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struct utsname nambuf; |
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#define hostname nambuf.sysname |
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#endif |
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|
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tlastrept = time((time_t *)NULL); |
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#ifdef BSD |
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getrusage(RUSAGE_SELF, &rubuf); |
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t = (rubuf.ru_utime.tv_usec + rubuf.ru_stime.tv_usec) / 1e6; |
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t += rubuf.ru_utime.tv_sec + rubuf.ru_stime.tv_sec; |
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u = rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec/1e6; |
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s = rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec/1e6; |
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getrusage(RUSAGE_CHILDREN, &rubuf); |
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t += (rubuf.ru_utime.tv_usec + rubuf.ru_stime.tv_usec) / 1e6; |
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t += rubuf.ru_utime.tv_sec + rubuf.ru_stime.tv_sec; |
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u += rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec/1e6; |
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s += rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec/1e6; |
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gethostname(hostname, sizeof(hostname)); |
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#else |
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times(&tbuf); |
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u = ( tbuf.tms_utime + tbuf.tms_cutime ) / CLK_TCK; |
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s = ( tbuf.tms_stime + tbuf.tms_cstime ) / CLK_TCK; |
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uname(&nambuf); |
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#endif |
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|
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sprintf(errmsg, "%lu rays, %4.2f%% done after %5.4f CPU hours\n", |
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nrays, pctdone, t/3600.0); |
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sprintf(errmsg, |
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"%lu rays, %4.2f%% after %.3fu %.3fs %.3fr hours on %s\n", |
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nrays, pctdone, u/3600., s/3600., |
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(tlastrept-tstart)/3600., hostname); |
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eputs(errmsg); |
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tlastrept = time((long *)0); |
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#undef hostname |
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} |
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#else |
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report() /* report progress */ |
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{ |
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tlastrept = time((long *)0); |
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sprintf(errmsg, "%lu rays, %4.2f%% done after %5.4f hours\n", |
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tlastrept = time((time_t *)NULL); |
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sprintf(errmsg, "%lu rays, %4.2f%% after %5.4f hours\n", |
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nrays, pctdone, (tlastrept-tstart)/3600.0); |
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eputs(errmsg); |
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signal(SIGCONT, report); |
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{ |
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extern char *rindex(), *strncpy(), *strcat(), *strcpy(); |
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char fbuf[128], fbuf2[128]; |
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int npicts; |
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register char *cp; |
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RESOLU rs; |
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double pa; |
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cp--; |
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strcpy(cp, RFTEMPLATE); |
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prvr = mktemp(fbuf2); |
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if (rename(fbuf, prvr) < 0 && errno != ENOENT) { |
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sprintf(errmsg, |
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if (rename(fbuf, prvr) < 0) |
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if (errno == ENOENT) { /* ghost file */ |
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sprintf(errmsg, |
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"new output file \"%s\"", |
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fbuf); |
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error(WARNING, errmsg); |
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prvr = NULL; |
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} else { /* serious error */ |
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sprintf(errmsg, |
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"cannot rename \"%s\" to \"%s\"", |
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fbuf, prvr); |
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error(SYSTEM, errmsg); |
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} |
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error(SYSTEM, errmsg); |
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} |
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} |
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} |
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/* render sequence */ |
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npicts = 0; /* render sequence */ |
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do { |
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if (seq && nextview(stdin) == EOF) |
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break; |
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pctdone = 0.0; |
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if (pout != NULL) { |
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sprintf(fbuf, pout, seq); |
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if (file_exists(fbuf)) { |
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if (prvr != NULL || !strcmp(fbuf, pout)) { |
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sprintf(errmsg, |
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"output file \"%s\" exists", |
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fbuf); |
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error(USER, errmsg); |
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} |
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continue; /* don't clobber */ |
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} |
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if (freopen(fbuf, "w", stdout) == NULL) { |
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sprintf(errmsg, |
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"cannot open output file \"%s\"", fbuf); |
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cp = NULL; |
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render(cp, prvr); |
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prvr = NULL; |
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npicts++; |
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} while (seq++); |
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/* check that we did something */ |
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if (npicts == 0) |
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error(WARNING, "no output produced"); |
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} |
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sampdens[i] = hstep; |
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} else |
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sampdens = NULL; |
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/* open z file */ |
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/* open z-file */ |
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if (zfile != NULL) { |
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if ((zfd = open(zfile, O_WRONLY|O_CREAT, 0666)) == -1) { |
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sprintf(errmsg, "cannot open z file \"%s\"", zfile); |
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sprintf(errmsg, "cannot open z-file \"%s\"", zfile); |
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error(SYSTEM, errmsg); |
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} |
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#ifdef MSDOS |
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i = salvage(oldfile); |
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if (zfd != -1 && i > 0 && |
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lseek(zfd, (long)i*hres*sizeof(float), 0) == -1) |
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error(SYSTEM, "z file seek error in render"); |
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error(SYSTEM, "z-file seek error in render"); |
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pctdone = 100.0*i/vres; |
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if (ralrm > 0) /* report init stats */ |
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report(); |
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goto writerr; |
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/* record progress */ |
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pctdone = 100.0*(vres-1-ypos)/vres; |
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< |
if (ralrm > 0 && time((long *)0) >= tlastrept+ralrm) |
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> |
if (ralrm > 0 && time((time_t *)NULL) >= tlastrept+ralrm) |
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report(); |
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#ifndef BSD |
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else |
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getheader(fp, NULL, NULL); |
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/* get picture size */ |
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if (!fscnresolu(&x, &y, fp)) { |
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< |
sprintf(errmsg, "bad recover file \"%s\"", oldfile); |
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> |
sprintf(errmsg, "bad recover file \"%s\" - not removed", |
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> |
oldfile); |
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error(WARNING, errmsg); |
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fclose(fp); |
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return(0); |