From 53b3dd936d910f5c4dbe00f34fc330f58edba7a9 Mon Sep 17 00:00:00 2001 From: Joris Van Damme Date: Tue, 10 Apr 2007 17:36:19 +0000 Subject: [PATCH] BigTIFF upgrade in progress - widespread temp mess - does not compile now --- libtiff/tif_zip.c | 189 +++++++++++++++++++++++++++------------------- 1 file changed, 113 insertions(+), 76 deletions(-) diff --git a/libtiff/tif_zip.c b/libtiff/tif_zip.c index 361b849e..db252f11 100644 --- a/libtiff/tif_zip.c +++ b/libtiff/tif_zip.c @@ -1,4 +1,4 @@ -/* $Id: tif_zip.c,v 1.14 2007-04-07 15:14:31 dron Exp $ */ +/* $Id: tif_zip.c,v 1.15 2007-04-10 17:36:19 joris Exp $ */ /* * Copyright (c) 1995-1997 Sam Leffler @@ -65,24 +65,24 @@ * State block for each open TIFF * file using ZIP compression/decompression. */ -typedef struct { +typedef struct { TIFFPredictorState predict; - z_stream stream; - int zipquality; /* compression level */ - int state; /* state flags */ + z_stream stream; + int zipquality; /* compression level */ + int state; /* state flags */ #define ZSTATE_INIT_DECODE 0x01 #define ZSTATE_INIT_ENCODE 0x02 - TIFFVGetMethod vgetparent; /* super-class method */ - TIFFVSetMethod vsetparent; /* super-class method */ + TIFFVGetMethod vgetparent; /* super-class method */ + TIFFVSetMethod vsetparent; /* super-class method */ } ZIPState; -#define ZState(tif) ((ZIPState*) (tif)->tif_data) -#define DecoderState(tif) ZState(tif) -#define EncoderState(tif) ZState(tif) +#define ZState(tif) ((ZIPState*) (tif)->tif_data) +#define DecoderState(tif) ZState(tif) +#define EncoderState(tif) ZState(tif) -static int ZIPEncode(TIFF*, tidata_t, tsize_t, uint16); -static int ZIPDecode(TIFF*, tidata_t, tsize_t, uint16); +static int ZIPEncode(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s); +static int ZIPDecode(TIFF* tif, uint8* op, tmsize_t occ, uint16 s); static int ZIPSetupDecode(TIFF* tif) @@ -94,12 +94,12 @@ ZIPSetupDecode(TIFF* tif) /* if we were last encoding, terminate this mode */ if (sp->state & ZSTATE_INIT_ENCODE) { - deflateEnd(&sp->stream); - sp->state = 0; - } + deflateEnd(&sp->stream); + sp->state = 0; + } if (inflateInit(&sp->stream) != Z_OK) { - TIFFErrorExt(tif->tif_clientdata, module, "%s: %s", tif->tif_name, sp->stream.msg); + TIFFErrorExt(tif->tif_clientdata, module, "%s", sp->stream.msg); return (0); } else { sp->state |= ZSTATE_INIT_DECODE; @@ -113,53 +113,72 @@ ZIPSetupDecode(TIFF* tif) static int ZIPPreDecode(TIFF* tif, uint16 s) { + static const char module[] = "ZIPPreDecode"; ZIPState* sp = DecoderState(tif); (void) s; assert(sp != NULL); - if( (sp->state & ZSTATE_INIT_DECODE) == 0 ) - ZIPSetupDecode(tif); + if( (sp->state & ZSTATE_INIT_DECODE) == 0 ) + ZIPSetupDecode(tif); sp->stream.next_in = tif->tif_rawdata; - sp->stream.avail_in = tif->tif_rawcc; ddd + assert(sizeof(sp->stream.avail_in)==4); /* if this assert gets raised, + we need to simplify this code to reflect a ZLib that is likely updated + to deal with 8byte memory sizes, though this code will respond + apropriately even before we simplify it */ + sp->stream.avail_in = (uInt) tif->tif_rawcc; + if ((tmsize_t)sp->stream.avail_in != tif->tif_rawcc) + { + TIFFErrorExt(tif->tif_clientdata, module, "ZLib cannot deal with buffers this size"); + return (0); + } return (inflateReset(&sp->stream) == Z_OK); } static int -ZIPDecode(TIFF* tif, tidata_t op, tsize_t occ, uint16 s) +ZIPDecode(TIFF* tif, uint8* op, tmsize_t occ, uint16 s) { - ZIPState* sp = DecoderState(tif); static const char module[] = "ZIPDecode"; + ZIPState* sp = DecoderState(tif); (void) s; assert(sp != NULL); - assert(sp->state == ZSTATE_INIT_DECODE); + assert(sp->state == ZSTATE_INIT_DECODE); sp->stream.next_out = op; - sp->stream.avail_out = occ; + assert(sizeof(sp->stream.avail_out)==4); /* if this assert gets raised, + we need to simplify this code to reflect a ZLib that is likely updated + to deal with 8byte memory sizes, though this code will respond + apropriately even before we simplify it */ + sp->stream.avail_out = (uInt) occ; + if ((tmsize_t)sp->stream.avail_out != occ) + { + TIFFErrorExt(tif->tif_clientdata, module, "ZLib cannot deal with buffers this size"); + return (0); + } do { int state = inflate(&sp->stream, Z_PARTIAL_FLUSH); if (state == Z_STREAM_END) break; if (state == Z_DATA_ERROR) { TIFFErrorExt(tif->tif_clientdata, module, - "%s: Decoding error at scanline %d, %s", - tif->tif_name, tif->tif_row, sp->stream.msg); + "Decoding error at scanline %lud, %s", + (unsigned long) tif->tif_row, sp->stream.msg); if (inflateSync(&sp->stream) != Z_OK) return (0); continue; } if (state != Z_OK) { - TIFFErrorExt(tif->tif_clientdata, module, "%s: zlib error: %s", - tif->tif_name, sp->stream.msg); + TIFFErrorExt(tif->tif_clientdata, module, "ZLib error: %s", + sp->stream.msg); return (0); } } while (sp->stream.avail_out > 0); if (sp->stream.avail_out != 0) { TIFFErrorExt(tif->tif_clientdata, module, - "%s: Not enough data at scanline %d (short %d bytes)", - tif->tif_name, tif->tif_row, sp->stream.avail_out); + "Not enough data at scanline %lud (short %llud bytes)", + (unsigned long) tif->tif_row, (unsigned long long) sp->stream.avail_out); return (0); } return (1); @@ -168,17 +187,17 @@ ZIPDecode(TIFF* tif, tidata_t op, tsize_t occ, uint16 s) static int ZIPSetupEncode(TIFF* tif) { - ZIPState* sp = EncoderState(tif); static const char module[] = "ZIPSetupEncode"; + ZIPState* sp = EncoderState(tif); assert(sp != NULL); if (sp->state & ZSTATE_INIT_DECODE) { - inflateEnd(&sp->stream); - sp->state = 0; - } + inflateEnd(&sp->stream); + sp->state = 0; + } if (deflateInit(&sp->stream, sp->zipquality) != Z_OK) { - TIFFErrorExt(tif->tif_clientdata, module, "%s: %s", tif->tif_name, sp->stream.msg); + TIFFErrorExt(tif->tif_clientdata, module, "%s", sp->stream.msg); return (0); } else { sp->state |= ZSTATE_INIT_ENCODE; @@ -192,15 +211,25 @@ ZIPSetupEncode(TIFF* tif) static int ZIPPreEncode(TIFF* tif, uint16 s) { + static const char module[] = "ZIPPreEncode"; ZIPState *sp = EncoderState(tif); (void) s; assert(sp != NULL); - if( sp->state != ZSTATE_INIT_ENCODE ) - ZIPSetupEncode(tif); + if( sp->state != ZSTATE_INIT_ENCODE ) + ZIPSetupEncode(tif); sp->stream.next_out = tif->tif_rawdata; - sp->stream.avail_out = tif->tif_rawdatasize; ddd + assert(sizeof(sp->stream.avail_out)==4); /* if this assert gets raised, + we need to simplify this code to reflect a ZLib that is likely updated + to deal with 8byte memory sizes, though this code will respond + apropriately even before we simplify it */ + sp->stream.avail_out = tif->tif_rawdatasize; + if ((tmsize_t)sp->stream.avail_out != tif->tif_rawdatasize) + { + TIFFErrorExt(tif->tif_clientdata, module, "ZLib cannot deal with buffers this size"); + return (0); + } return (deflateReset(&sp->stream) == Z_OK); } @@ -208,28 +237,37 @@ ZIPPreEncode(TIFF* tif, uint16 s) * Encode a chunk of pixels. */ static int -ZIPEncode(TIFF* tif, tidata_t bp, tsize_t cc, uint16 s) +ZIPEncode(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s) { - ZIPState *sp = EncoderState(tif); static const char module[] = "ZIPEncode"; + ZIPState *sp = EncoderState(tif); - assert(sp != NULL); - assert(sp->state == ZSTATE_INIT_ENCODE); + assert(sp != NULL); + assert(sp->state == ZSTATE_INIT_ENCODE); (void) s; sp->stream.next_in = bp; - sp->stream.avail_in = cc; + assert(sizeof(sp->stream.avail_in)==4); /* if this assert gets raised, + we need to simplify this code to reflect a ZLib that is likely updated + to deal with 8byte memory sizes, though this code will respond + apropriately even before we simplify it */ + sp->stream.avail_in = (uInt) cc; + if ((tmsize_t)sp->stream.avail_in != cc) + { + TIFFErrorExt(tif->tif_clientdata, module, "ZLib cannot deal with buffers this size"); + return (0); + } do { if (deflate(&sp->stream, Z_NO_FLUSH) != Z_OK) { - TIFFErrorExt(tif->tif_clientdata, module, "%s: Encoder error: %s", - tif->tif_name, sp->stream.msg); + TIFFErrorExt(tif->tif_clientdata, module, "Encoder error: %s", + sp->stream.msg); return (0); } if (sp->stream.avail_out == 0) { - tif->tif_rawcc = tif->tif_rawdatasize; ddd + tif->tif_rawcc = tif->tif_rawdatasize; TIFFFlushData1(tif); sp->stream.next_out = tif->tif_rawdata; - sp->stream.avail_out = tif->tif_rawdatasize; ddd + sp->stream.avail_out = (uInt) tif->tif_rawdatasize; } } while (sp->stream.avail_in > 0); return (1); @@ -242,8 +280,8 @@ ZIPEncode(TIFF* tif, tidata_t bp, tsize_t cc, uint16 s) static int ZIPPostEncode(TIFF* tif) { - ZIPState *sp = EncoderState(tif); static const char module[] = "ZIPPostEncode"; + ZIPState *sp = EncoderState(tif); int state; sp->stream.avail_in = 0; @@ -252,19 +290,18 @@ ZIPPostEncode(TIFF* tif) switch (state) { case Z_STREAM_END: case Z_OK: - if ((int)sp->stream.avail_out != (int)tif->tif_rawdatasize) ddd - { - tif->tif_rawcc = ddd - tif->tif_rawdatasize - sp->stream.avail_out; ddd - TIFFFlushData1(tif); - sp->stream.next_out = tif->tif_rawdata; - sp->stream.avail_out = tif->tif_rawdatasize; ddd - } - break; + if ((tmsize_t)sp->stream.avail_out != tif->tif_rawdatasize) + { + tif->tif_rawcc = tif->tif_rawdatasize - sp->stream.avail_out; + TIFFFlushData1(tif); + sp->stream.next_out = tif->tif_rawdata; + sp->stream.avail_out = (uInt) tif->tif_rawdatasize; + } + break; default: - TIFFErrorExt(tif->tif_clientdata, module, "%s: zlib error: %s", - tif->tif_name, sp->stream.msg); - return (0); + TIFFErrorExt(tif->tif_clientdata, module, "ZLib error: %s", + sp->stream.msg); + return (0); } } while (state != Z_STREAM_END); return (1); @@ -283,11 +320,11 @@ ZIPCleanup(TIFF* tif) tif->tif_tagmethods.vsetfield = sp->vsetparent; if (sp->state & ZSTATE_INIT_ENCODE) { - deflateEnd(&sp->stream); - sp->state = 0; - } else if( sp->state & ZSTATE_INIT_DECODE) { - inflateEnd(&sp->stream); - sp->state = 0; + deflateEnd(&sp->stream); + sp->state = 0; + } else if( sp->state & ZSTATE_INIT_DECODE) { + inflateEnd(&sp->stream); + sp->state = 0; } _TIFFfree(sp); tif->tif_data = NULL; @@ -296,10 +333,10 @@ ZIPCleanup(TIFF* tif) } static int -ZIPVSetField(TIFF* tif, ttag_t tag, va_list ap) +ZIPVSetField(TIFF* tif, uint32 tag, va_list ap) { - ZIPState* sp = ZState(tif); static const char module[] = "ZIPVSetField"; + ZIPState* sp = ZState(tif); switch (tag) { case TIFFTAG_ZIPQUALITY: @@ -307,8 +344,8 @@ ZIPVSetField(TIFF* tif, ttag_t tag, va_list ap) if ( sp->state&ZSTATE_INIT_ENCODE ) { if (deflateParams(&sp->stream, sp->zipquality, Z_DEFAULT_STRATEGY) != Z_OK) { - TIFFErrorExt(tif->tif_clientdata, module, "%s: zlib error: %s", - tif->tif_name, sp->stream.msg); + TIFFErrorExt(tif->tif_clientdata, module, "ZLib error: %s", + sp->stream.msg); return (0); } } @@ -320,7 +357,7 @@ ZIPVSetField(TIFF* tif, ttag_t tag, va_list ap) } static int -ZIPVGetField(TIFF* tif, ttag_t tag, va_list ap) +ZIPVGetField(TIFF* tif, uint32 tag, va_list ap) { ZIPState* sp = ZState(tif); @@ -361,7 +398,7 @@ TIFFInitZIP(TIFF* tif, int scheme) /* * Allocate state block so tag methods have storage to record values. */ - tif->tif_data = (tidata_t) _TIFFmalloc(sizeof (ZIPState)); + tif->tif_data = (uint8*) _TIFFmalloc(sizeof (ZIPState)); if (tif->tif_data == NULL) goto bad; sp = ZState(tif); @@ -387,15 +424,15 @@ TIFFInitZIP(TIFF* tif, int scheme) */ tif->tif_setupdecode = ZIPSetupDecode; tif->tif_predecode = ZIPPreDecode; - tif->tif_decoderow = ZIPDecode; ddd - tif->tif_decodestrip = ZIPDecode; ddd - tif->tif_decodetile = ZIPDecode; ddd + tif->tif_decoderow = ZIPDecode; + tif->tif_decodestrip = ZIPDecode; + tif->tif_decodetile = ZIPDecode; tif->tif_setupencode = ZIPSetupEncode; tif->tif_preencode = ZIPPreEncode; tif->tif_postencode = ZIPPostEncode; - tif->tif_encoderow = ZIPEncode; ddd - tif->tif_encodestrip = ZIPEncode; ddd - tif->tif_encodetile = ZIPEncode; ddd + tif->tif_encoderow = ZIPEncode; + tif->tif_encodestrip = ZIPEncode; + tif->tif_encodetile = ZIPEncode; tif->tif_cleanup = ZIPCleanup; /* * Setup predictor setup.