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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/zstd/programs/datagen.h | |
parent | Initial commit. (diff) | |
download | ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.tar.xz ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/zstd/programs/datagen.h')
-rw-r--r-- | src/zstd/programs/datagen.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/zstd/programs/datagen.h b/src/zstd/programs/datagen.h new file mode 100644 index 000000000..5a2682d8f --- /dev/null +++ b/src/zstd/programs/datagen.h @@ -0,0 +1,30 @@ +/* + * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc. + * All rights reserved. + * + * This source code is licensed under both the BSD-style license (found in the + * LICENSE file in the root directory of this source tree) and the GPLv2 (found + * in the COPYING file in the root directory of this source tree). + * You may select, at your option, one of the above-listed licenses. + */ + + +#ifndef DATAGEN_H +#define DATAGEN_H + +#include <stddef.h> /* size_t */ + +void RDG_genStdout(unsigned long long size, double matchProba, double litProba, unsigned seed); +void RDG_genBuffer(void* buffer, size_t size, double matchProba, double litProba, unsigned seed); +/*!RDG_genBuffer + Generate 'size' bytes of compressible data into 'buffer'. + Compressibility can be controlled using 'matchProba', which is floating point value between 0 and 1. + 'LitProba' is optional, it affect variability of individual bytes. If litProba==0.0, default value will be used. + Generated data pattern can be modified using different 'seed'. + For a triplet (matchProba, litProba, seed), the function always generate the same content. + + RDG_genStdout + Same as RDG_genBuffer, but generates data into stdout +*/ + +#endif |