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2010.03.16 17:38 "Heap corruption reading ICC profiles under windows", by Dan Pidcock
When I use tiff lib under windows to read a TIFF that has an embedded ICC
profile (created by Adobe Photoshop CS3) I am seeing heap corruption
in TIFFFreeDirectory when calling _TIFFfree for the custom tag. Is this a
known issue or some problem with my configuration that I need to sort out? I
have tried 3.8.2 and 4.0.0beta5 versions of tiff lib.
I built tiff lib using nmake after modifying the nmake.opt file to comment
out USE_WIN_CRT_LIB = 1.
The code I am using to test is:
TIFF* tif = TIFFOpen(argv[1], "r");
if (tif) {
unsigned long profileSize;
unsigned char *rawIccProfile = NULL;
if (TIFFGetField (tif, TIFFTAG_ICCPROFILE, &profileSize,
&rawIccProfile))
_TIFFfree(rawIccProfile);
TIFFClose(tif);
}
which is fundamentally the same as that used at
http://www.littlecms.com/tiffemb.c and
http://www.freecolormanagement.com/download/tiff_icc.diff
Any ideas gratefully received,
Dan