examples: Fix missing error handler in wolfssl util#2083
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Summary of ChangesHello, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request addresses a subtle bug in the Highlights
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Code Review
This pull request addresses an issue in the read_pem function in examples/util_wolfssl.cc where an incorrect PEM type was not handled as an error. The change introduces error handling for this case. My review includes a suggestion to use a more specific error type to improve error handling clarity.
| std::cerr << name << " file " << filename << " contains unexpected type" | ||
| << std::endl; | ||
| return {}; | ||
| return std::unexpected{Error::IO}; |
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The use of Error::IO is consistent with other error handling in this function. However, this error is about an unexpected PEM type, which is a data validation issue rather than a file I/O problem. Consider using a more specific error code if one is available, for example something like Error::INVALID_DATA or Error::BAD_PEM_TYPE. This would make the error more descriptive for the caller.
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