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28a4c9c5 JH |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include "datasnapshot.h" | |
22 | ||
f556bc6a JH |
23 | #include <assert.h> |
24 | #include <stdlib.h> | |
25 | #include <string.h> | |
26 | ||
27 | DataSnapshot::DataSnapshot(int unit_size) : | |
28 | _data(NULL), | |
29 | _data_length(0), | |
30 | _unit_size(unit_size) | |
31 | { | |
32 | assert(_unit_size > 0); | |
33 | } | |
34 | ||
35 | DataSnapshot::~DataSnapshot() | |
28a4c9c5 | 36 | { |
f556bc6a | 37 | free(_data); |
28a4c9c5 JH |
38 | } |
39 | ||
40 | uint64_t DataSnapshot::get_sample_count() | |
41 | { | |
f556bc6a JH |
42 | return _data_length / _unit_size; |
43 | } | |
44 | ||
45 | void DataSnapshot::append_data(void *data, uint64_t length) | |
46 | { | |
47 | _data = realloc(_data, _data_length + length); | |
48 | memcpy((uint8_t*)_data + _data_length, data, length); | |
49 | _data_length += length; | |
28a4c9c5 | 50 | } |