static int
setupMap(TIFFRGBAImage* img)
{
    int32 x, range;
    range = (int32)((1L<<img->bitspersample)-1);
    if( img->bitspersample == 16 )
        range = (int32) 255;
    img->Map = (TIFFRGBValue*) _TIFFmalloc((range+1) * sizeof (TIFFRGBValue));
    if (img->Map == NULL) {
		TIFFErrorExt(img->tif->tif_clientdata, TIFFFileName(img->tif),
			"No space for photometric conversion table");
		return (0);
    }
    if (img->photometric == PHOTOMETRIC_MINISWHITE) {
	for (x = 0; x <= range; x++)
	    img->Map[x] = (TIFFRGBValue) (((range - x) * 255) / range);
    } else {
	for (x = 0; x <= range; x++)
	    img->Map[x] = (TIFFRGBValue) ((x * 255) / range);
    }
    if (img->bitspersample <= 16 &&
	(img->photometric == PHOTOMETRIC_MINISBLACK ||
	 img->photometric == PHOTOMETRIC_MINISWHITE)) {
	if (!makebwmap(img))
	    return (0);
	_TIFFfree(img->Map);
	img->Map = NULL;
    }
    return (1);
}
['static int\nsetupMap(TIFFRGBAImage* img)\n{\n    int32 x, range;\n    range = (int32)((1L<<img->bitspersample)-1);\n    if( img->bitspersample == 16 )\n        range = (int32) 255;\n    img->Map = (TIFFRGBValue*) _TIFFmalloc((range+1) * sizeof (TIFFRGBValue));\n    if (img->Map == NULL) {\n\t\tTIFFErrorExt(img->tif->tif_clientdata, TIFFFileName(img->tif),\n\t\t\t"No space for photometric conversion table");\n\t\treturn (0);\n    }\n    if (img->photometric == PHOTOMETRIC_MINISWHITE) {\n\tfor (x = 0; x <= range; x++)\n\t    img->Map[x] = (TIFFRGBValue) (((range - x) * 255) / range);\n    } else {\n\tfor (x = 0; x <= range; x++)\n\t    img->Map[x] = (TIFFRGBValue) ((x * 255) / range);\n    }\n    if (img->bitspersample <= 16 &&\n\t(img->photometric == PHOTOMETRIC_MINISBLACK ||\n\t img->photometric == PHOTOMETRIC_MINISWHITE)) {\n\tif (!makebwmap(img))\n\t    return (0);\n\t_TIFFfree(img->Map);\n\timg->Map = NULL;\n    }\n    return (1);\n}', 'void*\n_TIFFmalloc(tmsize_t s)\n{\n        if (s == 0)\n                return ((void *) NULL);\n\treturn (malloc((size_t) s));\n}']