objc2_javascript_core

Function JSStringGetMaximumUTF8CStringSize

Source 
pub unsafe extern "C-unwind" fn JSStringGetMaximumUTF8CStringSize(
    string: JSStringRef,
) -> usize
Available on crate features JSStringRef and JSBase only.
Expand description

Returns the maximum number of bytes a JavaScript string will take up if converted into a null-terminated UTF8 string.

Parameter string: The JSString whose maximum converted size (in bytes) you want to know.

Returns: The maximum number of bytes that could be required to convert string into a null-terminated UTF8 string. The number of bytes that the conversion actually ends up requiring could be less than this, but never more.