Crate zstd_safe [−] [src]
Minimal safe wrapper around zstd-sys.
This crates provides a minimal translation of the zstd-sys methods. For a more comfortable high-level library, see the zstd crate.
Introduction
zstd, short for Zstandard, is a fast lossless compression algorithm, targeting real-time compression scenarios
at zlib-level and better compression ratios. The zstd compression library provides in-memory compression and
decompression functions. The library supports compression levels from 1 up to ZSTD_maxCLevel() which is 22.
Levels >= 20, labeled --ultra, should be used with caution, as they require more memory.
Compression can be done in:
- a single step (described as Simple API)
- a single step, reusing a context (described as Explicit memory management)
- unbounded multiple steps (described as Streaming compression)
The compression ratio achievable on small data can be highly improved using compression with a dictionary in:
- a single step (described as Simple dictionary API)
- a single step, reusing a dictionary (described as Fast dictionary API)
Advanced experimental functions can be accessed using #define ZSTD_STATIC_LINKING_ONLY before including zstd.h. These APIs shall never be used with a dynamic library. They are not "stable", their definition may change in the future. Only static linking is allowed.
Structs
| CCtx | |
| CDict | |
| CStream | |
| DCtx | |
| DDict | |
| DStream | |
| InBuffer | |
| OutBuffer |