XFA: Upgrade to libtiff 4.0.6.

third_party/libtiff/tif_read.c

Index: third_party/libtiff/tif_read.c
diff --git a/third_party/tiff_v403/tif_read.c b/third_party/libtiff/tif_read.c
similarity index 95%
rename from third_party/tiff_v403/tif_read.c
rename to third_party/libtiff/tif_read.c
index eb9350846e514969d69ecbed03efaebdc0f675dd..5cb419bd41660a515e5a2762b28124c497c9d3b9 100644
--- a/third_party/tiff_v403/tif_read.c
+++ b/third_party/libtiff/tif_read.c
@@ -1,4 +1,4 @@
-/* $Id: tif_read.c,v 1.41 2012-07-06 19:22:58 bfriesen Exp $ */
+/* $Id: tif_read.c,v 1.45 2015-06-07 22:35:40 bfriesen Exp $ */
 
 /*
  * Copyright (c) 1988-1997 Sam Leffler
@@ -47,7 +47,7 @@ TIFFFillStripPartial( TIFF *tif, int strip, tmsize_t read_ahead, int restart )
 {
 	static const char module[] = "TIFFFillStripPartial";
 	register TIFFDirectory *td = &tif->tif_dir;
-        uint64 unused_data;
+        tmsize_t unused_data;
         uint64 read_offset;
         tmsize_t cc, to_read;
         /* tmsize_t bytecountm; */
@@ -94,7 +94,7 @@ TIFFFillStripPartial( TIFF *tif, int strip, tmsize_t read_ahead, int restart )
         if( unused_data > 0 )
         {
 		assert((tif->tif_flags&TIFF_BUFFERMMAP)==0);
-                memmove( tif->tif_rawdata, tif->tif_rawcp, (size_t)unused_data );
+                memmove( tif->tif_rawdata, tif->tif_rawcp, unused_data );
         }
 
         /*
@@ -113,12 +113,12 @@ TIFFFillStripPartial( TIFF *tif, int strip, tmsize_t read_ahead, int restart )
         /*
         ** How much do we want to read?
         */
-        to_read = (tmsize_t)(tif->tif_rawdatasize - unused_data);
+        to_read = tif->tif_rawdatasize - unused_data;
         if( (uint64) to_read > td->td_stripbytecount[strip] 
             - tif->tif_rawdataoff - tif->tif_rawdataloaded )
         {
-                to_read = (tmsize_t)(td->td_stripbytecount[strip]
-                        - tif->tif_rawdataoff - tif->tif_rawdataloaded);
+                to_read = (tmsize_t) td->td_stripbytecount[strip]
+                        - tif->tif_rawdataoff - tif->tif_rawdataloaded;
         }
 
 	assert((tif->tif_flags&TIFF_BUFFERMMAP)==0);
@@ -141,8 +141,8 @@ TIFFFillStripPartial( TIFF *tif, int strip, tmsize_t read_ahead, int restart )
                 return 0;
         }
         
-        tif->tif_rawdataoff = (tmsize_t)(tif->tif_rawdataoff + tif->tif_rawdataloaded - unused_data) ;
-        tif->tif_rawdataloaded = (tmsize_t)unused_data + to_read;
+        tif->tif_rawdataoff = tif->tif_rawdataoff + tif->tif_rawdataloaded - unused_data ;
+        tif->tif_rawdataloaded = unused_data + to_read;
 
         tif->tif_rawcp = tif->tif_rawdata;
                         
@@ -321,7 +321,7 @@ TIFFReadEncodedStrip(TIFF* tif, uint32 strip, void* buf, tmsize_t size)
 	uint32 rowsperstrip;
 	uint32 stripsperplane;
 	uint32 stripinplane;
-	uint16 plane, comp;
+	uint16 plane;
 	uint32 rows;
 	tmsize_t stripsize;
 	if (!TIFFCheckRead(tif,0))
@@ -352,42 +352,12 @@ TIFFReadEncodedStrip(TIFF* tif, uint32 strip, void* buf, tmsize_t size)
 		return((tmsize_t)(-1));
 	if ((size!=(tmsize_t)(-1))&&(size<stripsize))
 		stripsize=size;
-
-	/*
-	 * discard those.
-	 * keep code modified by Changjin Gao.
-	 * Xiaochuan Liu 20100828.
-	 */
-	/*if (!TIFFFillStrip(tif,strip))
+	if (!TIFFFillStrip(tif,strip))
 		return((tmsize_t)(-1));
 	if ((*tif->tif_decodestrip)(tif,buf,stripsize,plane)<=0)
 		return((tmsize_t)(-1));
 	(*tif->tif_postdecode)(tif,buf,stripsize);
-	return(stripsize);*/
-	
-	/*
-	* Changjin Gao 20110726 fixed decode error issue.
-	* Test file: mantis #27308 020511-1158450.tiff.
-	*/
-	comp = COMPRESSION_NONE;
-StripDecode:
-	if (TIFFFillStrip(tif, strip) && (*tif->tif_decodestrip)(tif, buf, stripsize, plane) > 0)
-	{
-		(*tif->tif_postdecode)(tif, buf, stripsize);
-		return (stripsize);
-	}
-	else
-	{
-		if (comp < 9)
-		{
-			TIFFSetField(tif, TIFFTAG_COMPRESSION, comp);
-			TIFFSetField(tif, TIFFTAG_FAXMODE,FAXMODE_CLASSIC);
-			comp++;
-			goto StripDecode;
-		}
-
-		return ((tsize_t) -1);
-	}
+	return(stripsize);
 }
 
 static tmsize_t
@@ -488,7 +458,7 @@ TIFFReadRawStrip(TIFF* tif, uint32 strip, void* buf, tmsize_t size)
 		return ((tmsize_t)(-1));
 	}
 	bytecount = td->td_stripbytecount[strip];
-	if (bytecount <= 0) {
+	if ((int64)bytecount <= 0) {
 #if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
 		TIFFErrorExt(tif->tif_clientdata, module,
 			     "%I64u: Invalid strip byte count, strip %lu",
@@ -528,7 +498,7 @@ TIFFFillStrip(TIFF* tif, uint32 strip)
 	if ((tif->tif_flags&TIFF_NOREADRAW)==0)
 	{
 		uint64 bytecount = td->td_stripbytecount[strip];
-		if (bytecount <= 0) {
+		if ((int64)bytecount <= 0) {
 #if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
 			TIFFErrorExt(tif->tif_clientdata, module,
 				"Invalid strip byte count %I64u, strip %lu",
@@ -831,7 +801,7 @@ TIFFFillTile(TIFF* tif, uint32 tile)
 	if ((tif->tif_flags&TIFF_NOREADRAW)==0)
 	{
 		uint64 bytecount = td->td_stripbytecount[tile];
-		if (bytecount <= 0) {
+		if ((int64)bytecount <= 0) {
 #if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
 			TIFFErrorExt(tif->tif_clientdata, module,
 				"%I64u: Invalid tile byte count, tile %lu",
@@ -960,8 +930,11 @@ TIFFReadBufferSetup(TIFF* tif, void* bp, tmsize_t size)
 		tif->tif_flags &= ~TIFF_MYBUFFER;
 	} else {
 		tif->tif_rawdatasize = (tmsize_t)TIFFroundup_64((uint64)size, 1024);
-		if (tif->tif_rawdatasize==0)
-			tif->tif_rawdatasize=(tmsize_t)(-1);
+		if (tif->tif_rawdatasize==0) {
+		    TIFFErrorExt(tif->tif_clientdata, module,
+				 "Invalid buffer size");
+		    return (0);
+		}
 		tif->tif_rawdata = (uint8*) _TIFFmalloc(tif->tif_rawdatasize);
 		tif->tif_flags |= TIFF_MYBUFFER;
 	}
@@ -1017,10 +990,12 @@ TIFFStartStrip(TIFF* tif, uint32 strip)
 static int
 TIFFStartTile(TIFF* tif, uint32 tile)
 {
+        static const char module[] = "TIFFStartTile";
 	TIFFDirectory *td = &tif->tif_dir;
+        uint32 howmany32;
 
-    if (!_TIFFFillStriles( tif ) || !tif->tif_dir.td_stripbytecount)
-        return 0;
+        if (!_TIFFFillStriles( tif ) || !tif->tif_dir.td_stripbytecount)
+                return 0;
 
 	if ((tif->tif_flags & TIFF_CODERSETUP) == 0) {
 		if (!(*tif->tif_setupdecode)(tif))
@@ -1028,12 +1003,18 @@ TIFFStartTile(TIFF* tif, uint32 tile)
 		tif->tif_flags |= TIFF_CODERSETUP;
 	}
 	tif->tif_curtile = tile;
-	tif->tif_row =
-	    (tile % TIFFhowmany_32(td->td_imagewidth, td->td_tilewidth)) *
-		td->td_tilelength;
-	tif->tif_col =
-	    (tile % TIFFhowmany_32(td->td_imagelength, td->td_tilelength)) *
-		td->td_tilewidth;
+        howmany32=TIFFhowmany_32(td->td_imagewidth, td->td_tilewidth);
+        if (howmany32 == 0) {
+                 TIFFErrorExt(tif->tif_clientdata,module,"Zero tiles");
+                return 0;
+        }
+	tif->tif_row = (tile % howmany32) * td->td_tilelength;
+        howmany32=TIFFhowmany_32(td->td_imagelength, td->td_tilelength);
+        if (howmany32 == 0) {
+                TIFFErrorExt(tif->tif_clientdata,module,"Zero tiles");
+                return 0;
+        }
+	tif->tif_col = (tile % howmany32) * td->td_tilewidth;
         tif->tif_flags &= ~TIFF_BUF4WRITE;
 	if (tif->tif_flags&TIFF_NOREADRAW)
 	{
@@ -1111,4 +1092,3 @@ _TIFFSwab64BitData(TIFF* tif, uint8* buf, tmsize_t cc)
  * fill-column: 78
  * End:
  */
-