Function fill_textconv

diff.c:7793–7840

}

size_t fill_textconv(struct repository *r,
		     struct userdiff_driver *driver,
		     struct diff_filespec *df,
		     char **outbuf)
{
	size_t size;

	if (!driver) {
		if (!DIFF_FILE_VALID(df)) {
			*outbuf = (char *) "";
			return 0;
		}
		if (diff_populate_filespec(r, df, NULL))
			die("unable to read files to diff");
		*outbuf = df->data;
		return df->size;
	}

	if (!driver->textconv)
		BUG("fill_textconv called with non-textconv driver");

	if (driver->textconv_cache && df->oid_valid) {
		*outbuf = notes_cache_get(driver->textconv_cache,
					  &df->oid,
					  &size);
		if (*outbuf)
			return size;
	}

	*outbuf = run_textconv(r, driver->textconv, df, &size);
	if (!*outbuf)
		die("unable to read files to diff");

	if (driver->textconv_cache && df->oid_valid) {
		/* ignore errors, as we might be in a readonly repository */
		notes_cache_put(driver->textconv_cache, &df->oid, *outbuf,
				size);
		/*
		 * we could save up changes and flush them all at the end,
		 * but we would need an extra call after all diffing is done.
		 * Since generating a cache entry is the slow path anyway,
		 * this extra overhead probably isn't a big deal.
		 */
		notes_cache_write(driver->textconv_cache);
	}

	return size;
}

int textconv_object(struct repository *r,
		    const char *path,