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Fixed problem with SBYTE type data fetching in TIFFFetchByteArray(). Problem

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described in http://bugzilla.remotesensing.org/show_bug.cgi?id=52
This commit is contained in:
Andrey Kiselev 2002-09-02 15:39:45 +00:00
parent 43539aa66a
commit 7e5d9d5659
1 changed files with 11 additions and 3 deletions
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14
libtiff/tif_dirread.c
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@ -1,4 +1,4 @@
/* $Header: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dirread.c,v 1.10 2002-04-08 17:07:19 dron Exp $ */
/* $Header: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dirread.c,v 1.11 2002-09-02 15:39:45 dron Exp $ */
/*
* Copyright (c) 1988-1997 Sam Leffler
@ -784,14 +784,22 @@ TIFFFetchByteArray(TIFF* tif, TIFFDirEntry* dir, uint16* v)
case 4: v[3] = (uint16)(dir->tdir_offset & 0xff);
case 3: v[2] = (uint16)((dir->tdir_offset >> 8) & 0xff);
case 2: v[1] = (uint16)((dir->tdir_offset >> 16) & 0xff);
case 1: v[0] = (uint16)(dir->tdir_offset >> 24);
case 1:
if (dir->tdir_type == TIFF_SBYTE)
v[0] = (signed char)(dir->tdir_offset >> 24);
else
v[0] = (uint16)(dir->tdir_offset >> 24);
}
} else {
switch (dir->tdir_count) {
case 4: v[3] = (uint16)(dir->tdir_offset >> 24);
case 3: v[2] = (uint16)((dir->tdir_offset >> 16) & 0xff);
case 2: v[1] = (uint16)((dir->tdir_offset >> 8) & 0xff);
case 1: v[0] = (uint16)(dir->tdir_offset & 0xff);
case 1:
if (dir->tdir_type == TIFF_SBYTE)
v[0] = (signed char)((dir->tdir_offset) & 0xff);
else
v[0] = (uint16)(dir->tdir_offset & 0xff);
}
}
return (1);