1a28cd43dSSascha Wildner /* 2a28cd43dSSascha Wildner * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc. 3a28cd43dSSascha Wildner * All rights reserved. 4a28cd43dSSascha Wildner * 5a28cd43dSSascha Wildner * This source code is licensed under both the BSD-style license (found in the 6a28cd43dSSascha Wildner * LICENSE file in the root directory of this source tree) and the GPLv2 (found 7a28cd43dSSascha Wildner * in the COPYING file in the root directory of this source tree). 8a28cd43dSSascha Wildner * You may select, at your option, one of the above-listed licenses. 9a28cd43dSSascha Wildner */ 10a28cd43dSSascha Wildner 11a28cd43dSSascha Wildner 12a28cd43dSSascha Wildner #ifndef DATAGEN_H 13a28cd43dSSascha Wildner #define DATAGEN_H 14a28cd43dSSascha Wildner 15a28cd43dSSascha Wildner #include <stddef.h> /* size_t */ 16a28cd43dSSascha Wildner 17a28cd43dSSascha Wildner void RDG_genStdout(unsigned long long size, double matchProba, double litProba, unsigned seed); 18a28cd43dSSascha Wildner void RDG_genBuffer(void* buffer, size_t size, double matchProba, double litProba, unsigned seed); 19a28cd43dSSascha Wildner /*!RDG_genBuffer 20a28cd43dSSascha Wildner Generate 'size' bytes of compressible data into 'buffer'. 21a28cd43dSSascha Wildner Compressibility can be controlled using 'matchProba', which is floating point value between 0 and 1. 22a28cd43dSSascha Wildner 'LitProba' is optional, it affect variability of individual bytes. If litProba==0.0, default value will be used. 23a28cd43dSSascha Wildner Generated data pattern can be modified using different 'seed'. 24a28cd43dSSascha Wildner For a triplet (matchProba, litProba, seed), the function always generate the same content. 25a28cd43dSSascha Wildner 26a28cd43dSSascha Wildner RDG_genStdout 27a28cd43dSSascha Wildner Same as RDG_genBuffer, but generates data into stdout 28a28cd43dSSascha Wildner */ 29a28cd43dSSascha Wildner 30a28cd43dSSascha Wildner #endif 31