Function zstd_sys::source ·
pub unsafe extern "C" fn ZSTD_DCtx_loadDictionary( dctx: *mut ZSTD_DCtx, dict: *const c_void, dictSize: usize ) -> usize
ZSTD_DCtx_loadDictionary() : Requires v1.4.0+
Create an internal DDict from dict buffer,
to be used to decompress next frames.
The dictionary remains valid for all future frames, until explicitly invalidated.
@result : 0, or an error code (which can be tested with ZSTD_isError()).
Special : Adding a NULL (or 0-size) dictionary invalidates any previous dictionary,
meaning “return to no-dictionary mode”.
Note 1 : Loading a dictionary involves building tables,
which has a non-negligible impact on CPU usage and latency.
It’s recommended to “load once, use many times”, to amortize the cost
Note 2 :
dict content will be copied internally, so
dict can be released after loading.
Use ZSTD_DCtx_loadDictionary_byReference() to reference dictionary content instead.
Note 3 : Use ZSTD_DCtx_loadDictionary_advanced() to take control of
how dictionary content is loaded and interpreted.