lz4/tests/datagen.h
Yann Collet 823d37f730 bench.c does not longer need datagen
datagen transferred to tests/
2024-01-28 00:56:56 -08:00

43 lines
1.7 KiB
C

/*
datagen.h - compressible data generator header
Copyright (C) Yann Collet 2012-2024
GPL v2 License
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
You can contact the author at :
- LZ4 source repository : https://github.com/lz4/lz4
- Public forum : https://groups.google.com/forum/#!forum/lz4c
*/
#include <stddef.h> /* size_t */
/* RDG_genOut():
* Generate @size bytes of compressible data into stdout.
* Compressibility can be controlled using @matchProba.
* @LitProba is optional, and affect variability of bytes. If @litProba==0.0, default value is used.
* Generated data can be influenced using @seed.
* If @matchProba, @litProba and @seed are equal, the function always generates the same content.
*/
void RDG_genOut(unsigned long long size, double matchProba, double litProba, unsigned seed);
/*
* RDG_genBuffer():
* Same as RDG_genOut, but generates data into provided @buffer
*/
void RDG_genBuffer(void* buffer, size_t size, double matchProba, double litProba, unsigned seed);