Check reason string in MQTT5 samples #772
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sbSteveK
approved these changes
Jan 8, 2025
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Issue #, if available:
In MQTT5 protocol, if subscription fail, SubAck packet not necessarily contains a reason string. In MQTT5 samples, we try to print a SubAck reason string unconditionally, which sometimes crashes samples.
The same applies to publish operations.
Description of changes:
Add check for a reason string value before using it.
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.