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Fix memory leak when exception is thrown by impl classes in

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Serial::read() vector and string variants.
This commit is contained in:
bsbaliga 2019-03-20 21:56:59 +05:30
parent fba8d81b5d
commit 31c16ff9e8
1 changed files with 18 additions and 2 deletions
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20
src/serial.cc
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@ -132,7 +132,16 @@ Serial::read (std::vector<uint8_t> &buffer, size_t size)
{
ScopedReadLock lock(this->pimpl_);
uint8_t *buffer_ = new uint8_t[size];
size_t bytes_read = this->pimpl_->read (buffer_, size);
size_t bytes_read = 0;
try {
bytes_read = this->pimpl_->read (buffer_, size);
}
catch (const std::exception &e) {
delete[] buffer_;
throw;
}
buffer.insert (buffer.end (), buffer_, buffer_+bytes_read);
delete[] buffer_;
return bytes_read;
@ -143,7 +152,14 @@ Serial::read (std::string &buffer, size_t size)
{
ScopedReadLock lock(this->pimpl_);
uint8_t *buffer_ = new uint8_t[size];
size_t bytes_read = this->pimpl_->read (buffer_, size);
size_t bytes_read = 0;
try {
bytes_read = this->pimpl_->read (buffer_, size);
}
catch (const std::exception &e) {
delete[] buffer_;
throw;
}
buffer.append (reinterpret_cast<const char*>(buffer_), bytes_read);
delete[] buffer_;
return bytes_read;