Function spatialite_sys::gaiaIsValidXPathExpression

pub unsafe extern "C" fn gaiaIsValidXPathExpression(
    p_cache: *const c_void, 
    xpath_expr: *const c_char
) -> c_int

Checks if a Text string could be a valid XPathExpression

\param p_cache a memory pointer returned by spatialite_alloc_connection() \param xpath_expr pointer to the XPathExpression to be checked.

\return TRUE or FALSE if the Text string actually is a valid XPathExpression; -1 in any other case.

\sa gaiaXmlBlobGetLastXPathError