84 	TIFF *tif;  local
118 	tif = (TIFF *)_TIFFmalloc((tmsize_t)(sizeof (TIFF) + strlen(name) + 1));
119 	if (tif == NULL) {
123 	_TIFFmemset(tif, 0, sizeof (*tif));
124 	tif->tif_name = (char *)tif + sizeof (TIFF);
125 	strcpy(tif->tif_name, name);
126 	tif->tif_mode = m &~ (O_CREAT|O_TRUNC);
127 	tif->tif_curdir = (uint16_t) -1;		/* non-existent directory */
128 	tif->tif_curoff = 0;
129 	tif->tif_curstrip = (uint32_t) -1;	/* invalid strip */
130 	tif->tif_row = (uint32_t) -1;		/* read/write pre-increment */
131 	tif->tif_clientdata = clientdata;
135 		_TIFFfree(tif);
138 	tif->tif_readproc = readproc;
139 	tif->tif_writeproc = writeproc;
140 	tif->tif_seekproc = seekproc;
141 	tif->tif_closeproc = closeproc;
142 	tif->tif_sizeproc = sizeproc;
144 		tif->tif_mapproc = mapproc;
146 		tif->tif_mapproc = _tiffDummyMapProc;
148 		tif->tif_unmapproc = unmapproc;
150 		tif->tif_unmapproc = _tiffDummyUnmapProc;
151 	_TIFFSetDefaultCompressionState(tif);    /* setup default state */
157 	tif->tif_flags = FILLORDER_MSB2LSB;
159 		tif->tif_flags |= TIFF_MAPPED;
163 		tif->tif_flags |= STRIPCHOP_DEFAULT;
225 					tif->tif_flags |= TIFF_SWAB;
231 					tif->tif_flags |= TIFF_SWAB;
235 				tif->tif_flags = (tif->tif_flags &~ TIFF_FILLORDER) |
239 				tif->tif_flags = (tif->tif_flags &~ TIFF_FILLORDER) |
243 				tif->tif_flags = (tif->tif_flags &~ TIFF_FILLORDER) |
248 					tif->tif_flags |= TIFF_MAPPED;
252 					tif->tif_flags &= ~TIFF_MAPPED;
256 					tif->tif_flags |= TIFF_STRIPCHOP;
260 					tif->tif_flags &= ~TIFF_STRIPCHOP;
263 				tif->tif_flags |= TIFF_HEADERONLY;
267 					tif->tif_flags |= TIFF_BIGTIFF;
270 			        tif->tif_flags |= TIFF_DEFERSTRILELOAD;
274 					tif->tif_flags |= (TIFF_LAZYSTRILELOAD | TIFF_DEFERSTRILELOAD);
282         tif->tif_flags |= TIFF_DEFERSTRILELOAD;
289 	    !ReadOK(tif, &tif->tif_header, sizeof (TIFFHeaderClassic))) {
290 		if (tif->tif_mode == O_RDONLY) {
291 			TIFFErrorExt(tif->tif_clientdata, name,
299 		tif->tif_header.common.tiff_magic = (tif->tif_flags & TIFF_SWAB)
302 		tif->tif_header.common.tiff_magic = (tif->tif_flags & TIFF_SWAB)
305 		if (!(tif->tif_flags&TIFF_BIGTIFF))
307 			tif->tif_header.common.tiff_version = TIFF_VERSION_CLASSIC;
308 			tif->tif_header.classic.tiff_diroff = 0;
309 			if (tif->tif_flags & TIFF_SWAB)
310 				TIFFSwabShort(&tif->tif_header.common.tiff_version);
311 			tif->tif_header_size = sizeof(TIFFHeaderClassic);
315 			tif->tif_header.common.tiff_version = TIFF_VERSION_BIG;
316 			tif->tif_header.big.tiff_offsetsize = 8;
317 			tif->tif_header.big.tiff_unused = 0;
318 			tif->tif_header.big.tiff_diroff = 0;
319 			if (tif->tif_flags & TIFF_SWAB)
321 				TIFFSwabShort(&tif->tif_header.common.tiff_version);
322 				TIFFSwabShort(&tif->tif_header.big.tiff_offsetsize);
324 			tif->tif_header_size = sizeof (TIFFHeaderBig);
333 		TIFFSeekFile( tif, 0, SEEK_SET );
334 		if (!WriteOK(tif, &tif->tif_header, (tmsize_t)(tif->tif_header_size))) {
335 			TIFFErrorExt(tif->tif_clientdata, name,
342 		if (tif->tif_header.common.tiff_magic == TIFF_BIGENDIAN) {
344 			tif->tif_flags |= TIFF_SWAB;
348 			tif->tif_flags |= TIFF_SWAB;
354 		if (!TIFFDefaultDirectory(tif))
356 		tif->tif_diroff = 0;
357 		tif->tif_dirlist = NULL;
358 		tif->tif_dirlistsize = 0;
359 		tif->tif_dirnumber = 0;
360 		return (tif);
365 	if (tif->tif_header.common.tiff_magic != TIFF_BIGENDIAN &&
366 	    tif->tif_header.common.tiff_magic != TIFF_LITTLEENDIAN
370 	    tif->tif_header.common.tiff_magic != MDI_BIGENDIAN
372 	    tif->tif_header.common.tiff_magic != MDI_LITTLEENDIAN
375 		TIFFErrorExt(tif->tif_clientdata, name,
379 		TIFFErrorExt(tif->tif_clientdata, name,
382 		    tif->tif_header.common.tiff_magic,
383 		    tif->tif_header.common.tiff_magic);
386 	if (tif->tif_header.common.tiff_magic == TIFF_BIGENDIAN) {
388 		tif->tif_flags |= TIFF_SWAB;
392 		tif->tif_flags |= TIFF_SWAB;
395 	if (tif->tif_flags & TIFF_SWAB) 
396 		TIFFSwabShort(&tif->tif_header.common.tiff_version);
397 	if ((tif->tif_header.common.tiff_version != TIFF_VERSION_CLASSIC)&&
398 	    (tif->tif_header.common.tiff_version != TIFF_VERSION_BIG)) {
399 		TIFFErrorExt(tif->tif_clientdata, name,
401 		    tif->tif_header.common.tiff_version,
402 		    tif->tif_header.common.tiff_version);
405 	if (tif->tif_header.common.tiff_version == TIFF_VERSION_CLASSIC)
407 		if (tif->tif_flags & TIFF_SWAB)
408 			TIFFSwabLong(&tif->tif_header.classic.tiff_diroff);
409 		tif->tif_header_size = sizeof(TIFFHeaderClassic);
413 …if (!ReadOK(tif, ((uint8_t*)(&tif->tif_header) + sizeof(TIFFHeaderClassic)), (sizeof(TIFFHeaderBig…
415 			TIFFErrorExt(tif->tif_clientdata, name,
419 		if (tif->tif_flags & TIFF_SWAB)
421 			TIFFSwabShort(&tif->tif_header.big.tiff_offsetsize);
422 			TIFFSwabLong8(&tif->tif_header.big.tiff_diroff);
424 		if (tif->tif_header.big.tiff_offsetsize != 8)
426 			TIFFErrorExt(tif->tif_clientdata, name,
428 			    tif->tif_header.big.tiff_offsetsize,
429 			    tif->tif_header.big.tiff_offsetsize);
432 		if (tif->tif_header.big.tiff_unused != 0)
434 			TIFFErrorExt(tif->tif_clientdata, name,
436 			    tif->tif_header.big.tiff_unused,
437 			    tif->tif_header.big.tiff_unused);
440 		tif->tif_header_size = sizeof(TIFFHeaderBig);
441 		tif->tif_flags |= TIFF_BIGTIFF;
443 	tif->tif_flags |= TIFF_MYBUFFER;
444 	tif->tif_rawcp = tif->tif_rawdata = 0;
445 	tif->tif_rawdatasize = 0;
446         tif->tif_rawdataoff = 0;
447         tif->tif_rawdataloaded = 0;
451 			if (!(tif->tif_flags&TIFF_BIGTIFF))
452 				tif->tif_nextdiroff = tif->tif_header.classic.tiff_diroff;
454 				tif->tif_nextdiroff = tif->tif_header.big.tiff_diroff;
460 			if (tif->tif_flags & TIFF_MAPPED)
463 				if (TIFFMapFileContents(tif,(void**)(&tif->tif_base),&n))
465 					tif->tif_size=(tmsize_t)n;
466 					assert((toff_t)tif->tif_size==n);
469 					tif->tif_flags &= ~TIFF_MAPPED;
477 			if (tif->tif_flags & TIFF_HEADERONLY)
478 				return (tif);
483 			if (TIFFReadDirectory(tif)) {
484 				tif->tif_rawcc = (tmsize_t)-1;
485 				tif->tif_flags |= TIFF_BUFFERSETUP;
486 				return (tif);
495 			if (!TIFFDefaultDirectory(tif))
497 			return (tif);
500 	tif->tif_mode = O_RDONLY;	/* XXX avoid flush */
501         TIFFCleanup(tif);
514 TIFFFileName(TIFF* tif)  argument
516 	return (tif->tif_name);
523 TIFFSetFileName(TIFF* tif, const char *name)  argument
525 	const char* old_name = tif->tif_name;
526 	tif->tif_name = (char *)name;
534 TIFFFileno(TIFF* tif)  argument
536 	return (tif->tif_fd);
543 TIFFSetFileno(TIFF* tif, int fd)  argument
545         int old_fd = tif->tif_fd;
546 	tif->tif_fd = fd;
554 TIFFClientdata(TIFF* tif)  argument
556 	return (tif->tif_clientdata);
563 TIFFSetClientdata(TIFF* tif, thandle_t newvalue)  argument
565 	thandle_t m = tif->tif_clientdata;
566 	tif->tif_clientdata = newvalue;
574 TIFFGetMode(TIFF* tif)  argument
576 	return (tif->tif_mode);
583 TIFFSetMode(TIFF* tif, int mode)  argument
585 	int old_mode = tif->tif_mode;
586 	tif->tif_mode = mode;
595 TIFFIsTiled(TIFF* tif)  argument
597 	return (isTiled(tif));
604 TIFFCurrentRow(TIFF* tif)  argument
606 	return (tif->tif_row);
613 TIFFCurrentDirectory(TIFF* tif)  argument
615 	return (tif->tif_curdir);
622 TIFFCurrentStrip(TIFF* tif)  argument
624 	return (tif->tif_curstrip);
631 TIFFCurrentTile(TIFF* tif)  argument
633 	return (tif->tif_curtile);
640 TIFFIsByteSwapped(TIFF* tif)  argument
642 	return ((tif->tif_flags & TIFF_SWAB) != 0);
649 TIFFIsUpSampled(TIFF* tif)  argument
651 	return (isUpSampled(tif));
658 TIFFIsMSB2LSB(TIFF* tif)  argument
660 	return (isFillOrder(tif, FILLORDER_MSB2LSB));
667 TIFFIsBigEndian(TIFF* tif)  argument
669 	return (tif->tif_header.common.tiff_magic == TIFF_BIGENDIAN);
676 TIFFGetReadProc(TIFF* tif)  argument
678 	return (tif->tif_readproc);
685 TIFFGetWriteProc(TIFF* tif)  argument
687 	return (tif->tif_writeproc);
694 TIFFGetSeekProc(TIFF* tif)  argument
696 	return (tif->tif_seekproc);
703 TIFFGetCloseProc(TIFF* tif)  argument
705 	return (tif->tif_closeproc);
712 TIFFGetSizeProc(TIFF* tif)  argument
714 	return (tif->tif_sizeproc);
721 TIFFGetMapFileProc(TIFF* tif)  argument
723 	return (tif->tif_mapproc);
730 TIFFGetUnmapFileProc(TIFF* tif)  argument
732 	return (tif->tif_unmapproc);