Move error code handling from C functions to C++ implementation

sccn / lsl_archived

Multi-modal time-synched data transmission over local network

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Move error code handling from C functions to C++ implementation #295

Closed tstenner closed 6 years ago

tstenner commented 6 years ago

Most C API functions try to call a C++ version and set an error code variable if an exception occured. This PR adds exception free templated versions of pull_sample, pull_chunk_multiplexed and push_sample that set the same error codes.