Supporting ZStd compression levels

pmeunier

May 22, 2023, 5:54 AM

DH54ZJMWE66C6MBAFM4BEWBNRUPUHKP7N7OR6WZG76F5TCJ2F5DQC

Dependencies

• [2] Z5RPHAV3 ZStd_seekable version
• [3] RVAH6PXA Getting libpijul to compile to WASM32
• [4] SXEYMYF7 Fixing the bad changes in history (unfortunately, by rebooting).
• [5] YN63NUZO Sanakirja 1.0
• [6] VO5OQW4W Removing anyhow in libpijul

Change contents

• replacement in libpijul/src/change.rs at line 1419
  [3.868693]→[3.140385:140410](∅→∅)
  − const LEVEL: usize = 10;
  [3.868693]

  [3.868717]
  + const LEVEL: usize = 3;
• replacement in libpijul/src/change.rs at line 1425
  [2.83]→[3.868875:868962](∅→∅),[3.37218]→[3.868875:868962](∅→∅),[3.140483]→[3.868875:868962](∅→∅),[3.868875]→[3.868875:868962](∅→∅)
  − let mut cstream = zstd_seekable::SeekableCStream::new(LEVEL, FRAME_SIZE).unwrap();
  [2.83]

  [3.868962]
  + let mut level = LEVEL;

  + if let Ok(l) = std::env::var("ZSTD_LEVEL") {

  + if let Ok(l) = l.parse() {

  + level = l

  + }

  + }

  + let mut cstream = zstd_seekable::SeekableCStream::new(level, FRAME_SIZE).unwrap();