mirror of https://github.com/qpdf/qpdf.git
85 lines
1.1 KiB
C++
85 lines
1.1 KiB
C++
#include <qpdf/Buffer.hh>
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#include <cstring>
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Buffer::Members::Members(size_t size, unsigned char* buf, bool own_memory) :
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own_memory(own_memory),
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size(size),
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buf(0)
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{
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if (own_memory)
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{
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this->buf = (size ? new unsigned char[size] : 0);
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}
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else
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{
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this->buf = buf;
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}
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}
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Buffer::Members::~Members()
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{
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if (this->own_memory)
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{
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delete [] this->buf;
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}
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}
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Buffer::Buffer() :
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m(new Members(0, 0, true))
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{
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}
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Buffer::Buffer(size_t size) :
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m(new Members(size, 0, true))
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{
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}
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Buffer::Buffer(unsigned char* buf, size_t size) :
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m(new Members(size, buf, false))
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{
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}
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Buffer::Buffer(Buffer const& rhs)
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{
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copy(rhs);
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}
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Buffer&
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Buffer::operator=(Buffer const& rhs)
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{
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copy(rhs);
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return *this;
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}
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void
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Buffer::copy(Buffer const& rhs)
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{
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if (this != &rhs)
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{
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this->m = new Members(rhs.m->size, 0, true);
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if (this->m->size)
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{
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memcpy(this->m->buf, rhs.m->buf, this->m->size);
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}
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}
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}
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size_t
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Buffer::getSize() const
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{
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return this->m->size;
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}
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unsigned char const*
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Buffer::getBuffer() const
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{
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return this->m->buf;
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}
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unsigned char*
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Buffer::getBuffer()
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{
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return this->m->buf;
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}
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