diff options
Diffstat (limited to 'libqpdf/Buffer.cc')
| -rw-r--r-- | libqpdf/Buffer.cc | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/libqpdf/Buffer.cc b/libqpdf/Buffer.cc index 0c2dd958..71e219a1 100644 --- a/libqpdf/Buffer.cc +++ b/libqpdf/Buffer.cc @@ -4,17 +4,22 @@ Buffer::Buffer() { - init(0); + init(0, 0, true); } Buffer::Buffer(unsigned long size) { - init(size); + init(size, 0, true); +} + +Buffer::Buffer(unsigned char* buf, unsigned long size) +{ + init(size, buf, false); } Buffer::Buffer(Buffer const& rhs) { - init(0); + init(0, 0, true); copy(rhs); } @@ -31,10 +36,18 @@ Buffer::~Buffer() } void -Buffer::init(unsigned long size) +Buffer::init(unsigned long size, unsigned char* buf, bool own_memory) { + this->own_memory = own_memory; this->size = size; - this->buf = (size ? new unsigned char[size] : 0); + if (own_memory) + { + this->buf = (size ? new unsigned char[size] : 0); + } + else + { + this->buf = buf; + } } void @@ -43,7 +56,7 @@ Buffer::copy(Buffer const& rhs) if (this != &rhs) { this->destroy(); - this->init(rhs.size); + this->init(rhs.size, 0, true); if (this->size) { memcpy(this->buf, rhs.buf, this->size); @@ -54,7 +67,10 @@ Buffer::copy(Buffer const& rhs) void Buffer::destroy() { - delete [] this->buf; + if (this->own_memory) + { + delete [] this->buf; + } this->size = 0; this->buf = 0; } |