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Add explicit --pass-through flag and default to enabled for *cat (#3223)

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Fixes #3211.

Adds the `--[no-]pass-through` flag which enables/disables pass-through mode.

* `zstdcat`, `zcat`, and `gzcat` default to `--pass-through`.
  Pass-through mode can be disabled by passing `--no-pass-through`.
* All other binaries default to not setting pass-through mode.
  However, we preserve the legacy behavior of enabling pass-through
  mode when writing to stdout with `-f` set, unless pass-through
  mode is explicitly disabled with `--no-pass-through`.

Adds a new test for this behavior that should codify the behavior we want.
This commit is contained in:
Nick Terrell
2022-08-04 17:15:59 -07:00
committed by GitHub
parent d0dcc9d775
commit 03cc84fddb
7 changed files with 125 additions and 5 deletions
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programs/fileio.h
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@ -105,6 +105,7 @@ void FIO_setPatchFromMode(FIO_prefs_t* const prefs, int value);
void FIO_setContentSize(FIO_prefs_t* const prefs, int value);
void FIO_displayCompressionParameters(const FIO_prefs_t* prefs);
void FIO_setAsyncIOFlag(FIO_prefs_t* const prefs, int value);
void FIO_setPassThroughFlag(FIO_prefs_t* const prefs, int value);
/* FIO_ctx_t functions */
void FIO_setNbFilesTotal(FIO_ctx_t* const fCtx, int value);