| 10 |
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|
| 11 |
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#include "standard.h" |
| 12 |
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#include <fcntl.h> |
| 13 |
+ |
|
| 14 |
+ |
#ifndef F_SETLKW |
| 15 |
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|
| 16 |
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main(argc, argv) |
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int argc; |
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char *argv[]; |
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{ |
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fprintf(stderr, "%s: no NFS lock manager on this machine\n", argv[0]); |
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exit(1); |
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} |
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|
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#else |
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|
| 26 |
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#include <signal.h> |
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#include "color.h" |
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#include "view.h" |
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#define MAXFORK 0 |
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#endif |
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#endif |
| 42 |
< |
|
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> |
/* protection from SYSV signals(!) */ |
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#if defined(sgi) || defined(hpux) |
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> |
#define guard_io() sighold(SIGALRM) |
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> |
#define unguard() sigrelse(SIGALRM) |
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> |
#endif |
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#ifndef guard_io |
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> |
#define guard_io() 0 |
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> |
#define unguard() 0 |
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> |
#endif |
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/* rpict command */ |
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char *rpargv[128] = {"rpict", "-S", "1", "-x", "512", "-y", "512", "-pa", "1"}; |
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int rpargc = 9; |
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exit(1); |
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} |
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continue; |
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case 'z': /* z-file ist verbotten */ |
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fprintf(stderr, "%s: -z option not allowed\n", |
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argv[0]); |
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exit(1); |
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case 'o': /* output file */ |
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if (argv[i][2]) |
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break; |
| 156 |
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} |
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init(argc, argv); |
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rpiece(); |
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< |
rval = cleanup(0); |
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< |
exit(rval); |
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> |
exit(cleanup(0)); |
| 160 |
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} |
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|
| 162 |
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|
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if ((fp = fdopen(dup(outfd), "r+")) == NULL) |
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goto filerr; |
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getheader(fp, NULL, NULL); /* skip header */ |
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< |
if (fscnresolu(&hr, &vr, fp) < 0 || /* check resolution */ |
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> |
if (!fscnresolu(&hr, &vr, fp) || /* check resolution */ |
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hr != hres*hmult || vr != vres*vmult) { |
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fprintf(stderr, "%s: resolution mismatch on file \"%s\"\n", |
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progname, outfile); |
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return(0); |
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} |
| 268 |
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} |
| 269 |
< |
sprintf(buf, "%d %d\n%d %d\n", hmult, vmult, *xp, *yp); |
| 269 |
> |
sprintf(buf, "%4d %4d\n%4d %4d\n", hmult, vmult, *xp, *yp); |
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lseek(syncfd, 0L, 0); /* write new position */ |
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write(syncfd, buf, strlen(buf)); |
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fls.l_type = F_UNLCK; /* release sync file */ |
| 359 |
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exit(cleanup(1)); |
| 360 |
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} |
| 361 |
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/* check header from rpict */ |
| 362 |
+ |
guard_io(); |
| 363 |
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getheader(fromrp, NULL, NULL); |
| 364 |
< |
if (fscnresolu(&hr, &vr, fromrp) < 0 || hr != hres | vr != vres) { |
| 364 |
> |
if (!fscnresolu(&hr, &vr, fromrp) || hr != hres | vr != vres) { |
| 365 |
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fprintf(stderr, "%s: resolution mismatch from %s\n", |
| 366 |
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progname, rpargv[0]); |
| 367 |
|
exit(cleanup(1)); |
| 368 |
|
} |
| 369 |
+ |
unguard(); |
| 370 |
|
/* load new piece into buffer */ |
| 371 |
< |
for (y = 0; y < vr; y++) |
| 371 |
> |
for (y = 0; y < vr; y++) { |
| 372 |
> |
guard_io(); |
| 373 |
|
if (freadcolrs(pbuf+y*hr, hr, fromrp) < 0) { |
| 374 |
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fprintf(stderr, "%s: read error from %s\n", |
| 375 |
|
progname, rpargv[0]); |
| 376 |
|
exit(cleanup(1)); |
| 377 |
|
} |
| 378 |
+ |
unguard(); |
| 379 |
+ |
} |
| 380 |
|
#if MAXFORK |
| 381 |
|
/* fork so we don't slow rpict down */ |
| 382 |
|
if ((pid = fork()) > 0) { |
| 391 |
|
#else |
| 392 |
|
pid = -1; /* no forking */ |
| 393 |
|
#endif |
| 394 |
+ |
fls.l_len = (long)vres*hmult*hres*sizeof(COLR); |
| 395 |
+ |
fls.l_start = scanorig + (vmult-1-ypos)*fls.l_len; |
| 396 |
|
#if NFS |
| 397 |
|
/* lock file section so NFS doesn't mess up */ |
| 398 |
|
fls.l_whence = 0; |
| 368 |
– |
fls.l_len = (long)vres*hmult*hres*sizeof(COLR); |
| 369 |
– |
fls.l_start = scanorig + (vmult-1-ypos)*fls.l_len; |
| 399 |
|
fls.l_type = F_WRLCK; |
| 400 |
|
fcntl(outfd, F_SETLKW, &fls); |
| 401 |
|
#endif |
| 431 |
|
fprintf(stderr, "%s: write error on file \"%s\"\n", progname, outfile); |
| 432 |
|
_exit(1); |
| 433 |
|
} |
| 434 |
+ |
|
| 435 |
+ |
#endif |
