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