buffer.cpp
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00002 * Software License Agreement (BSD License)
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00034 
00035 #include "rosbag/buffer.h"
00036 
00037 #include <ros/ros.h>
00038 
00039 namespace rosbag {
00040 
00041 Buffer::Buffer() : buffer_(NULL), capacity_(0), size_(0) { }
00042 
00043 Buffer::~Buffer() {
00044     free(buffer_);
00045 }
00046 
00047 uint8_t* Buffer::getData()           { return buffer_;   }
00048 uint32_t Buffer::getCapacity() const { return capacity_; }
00049 uint32_t Buffer::getSize()     const { return size_;     }
00050 
00051 void Buffer::setSize(uint32_t size) {
00052     size_ = size;
00053     ensureCapacity(size);
00054 }
00055 
00056 void Buffer::ensureCapacity(uint32_t capacity) {
00057     if (capacity <= capacity_)
00058         return;
00059 
00060     if (capacity_ == 0)
00061         capacity_ = capacity;
00062     else {
00063         while (capacity_ < capacity)
00064             capacity_ *= 2;
00065     }
00066 
00067     buffer_ = (uint8_t*) realloc(buffer_, capacity_);
00068     ROS_ASSERT(buffer_);
00069 }
00070 
00071 } // namespace rosbag


rosbag
Author(s): Tim Field, Jeremy Leibs, James Bowman
autogenerated on Mon Oct 6 2014 11:47:09