buffer.cpp
Go to the documentation of this file.
1 /*********************************************************************
2 * Software License Agreement (BSD License)
3 *
4 * Copyright (c) 2008, Willow Garage, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * * Redistributions in binary form must reproduce the above
14 * copyright notice, this list of conditions and the following
15 * disclaimer in the documentation and/or other materials provided
16 * with the distribution.
17 * * Neither the name of Willow Garage, Inc. nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
33 ********************************************************************/
34 
35 #include <stdlib.h>
36 #include <assert.h>
37 
38 #include "rosbag/buffer.h"
39 
40 //#include <ros/ros.h>
41 
42 namespace rosbag {
43 
44 Buffer::Buffer() : buffer_(NULL), capacity_(0), size_(0) { }
45 
47  free(buffer_);
48 }
49 
52 uint32_t Buffer::getSize() const { return size_; }
53 
55  size_ = size;
56  ensureCapacity(size);
57 }
58 
60  if (capacity <= capacity_)
61  return;
62 
63  if (capacity_ == 0)
64  capacity_ = capacity;
65  else {
66  while (capacity_ < capacity)
67  capacity_ *= 2;
68  }
69 
70  buffer_ = (uint8_t*) realloc(buffer_, capacity_);
71  assert(buffer_);
72 }
73 
74 } // namespace rosbag
uint32_t capacity_
Definition: buffer.h:60
uint8_t * getData()
Definition: buffer.cpp:50
unsigned char uint8_t
Definition: stdint.h:78
uint8_t * buffer_
Definition: buffer.h:59
uint32_t size_
Definition: buffer.h:61
GLsizeiptr size
#define assert(condition)
Definition: lz4.c:245
unsigned int uint32_t
Definition: stdint.h:80
uint32_t getCapacity() const
Definition: buffer.cpp:51
Definition: bag.h:66
uint32_t getSize() const
Definition: buffer.cpp:52
#define NULL
Definition: tinycthread.c:47
void setSize(uint32_t size)
Definition: buffer.cpp:54
void ensureCapacity(uint32_t capacity)
Definition: buffer.cpp:59


librealsense2
Author(s): LibRealSense ROS Team
autogenerated on Thu Dec 22 2022 03:41:42