buffer.cpp
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00034 
00035 #include <stdlib.h>
00036 #include <assert.h>
00037 
00038 #include "rosbag/buffer.h"
00039 
00040 //#include <ros/ros.h>
00041 
00042 namespace rosbag {
00043 
00044 Buffer::Buffer() : buffer_(NULL), capacity_(0), size_(0) { }
00045 
00046 Buffer::~Buffer() {
00047     free(buffer_);
00048 }
00049 
00050 uint8_t* Buffer::getData()           { return buffer_;   }
00051 uint32_t Buffer::getCapacity() const { return capacity_; }
00052 uint32_t Buffer::getSize()     const { return size_;     }
00053 
00054 void Buffer::setSize(uint32_t size) {
00055     size_ = size;
00056     ensureCapacity(size);
00057 }
00058 
00059 void Buffer::ensureCapacity(uint32_t capacity) {
00060     if (capacity <= capacity_)
00061         return;
00062 
00063     if (capacity_ == 0)
00064         capacity_ = capacity;
00065     else {
00066         while (capacity_ < capacity)
00067             capacity_ *= 2;
00068     }
00069 
00070     buffer_ = (uint8_t*) realloc(buffer_, capacity_);
00071     assert(buffer_);
00072 }
00073 
00074 } // namespace rosbag


rosbag_storage
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autogenerated on Fri Aug 28 2015 12:33:40