File tiff-4.0.3-seek.patch of Package tiff.7550
Index: tiff-4.0.1/libtiff/tiffiop.h
===================================================================
--- tiff-4.0.1.orig/libtiff/tiffiop.h
+++ tiff-4.0.1/libtiff/tiffiop.h
@@ -213,7 +213,7 @@ struct tiff {
#define TIFFWriteFile(tif, buf, size) \
((*(tif)->tif_writeproc)((tif)->tif_clientdata,(buf),(size)))
#define TIFFSeekFile(tif, off, whence) \
- ((*(tif)->tif_seekproc)((tif)->tif_clientdata,(off),(whence)))
+ ((tif)->tif_seekproc?((*(tif)->tif_seekproc)((tif)->tif_clientdata,(toff_t)(off),whence)):0)
#define TIFFCloseFile(tif) \
((*(tif)->tif_closeproc)((tif)->tif_clientdata))
#define TIFFGetFileSize(tif) \