Is there a Catch-All Exception Mechanism in C Like Java\'s Throwable?

How to Catch All Exceptions in C

When working with Java, the try-catch block can be utilized to capture all exceptions using catch(Throwable t) syntax. However, is there an equivalent mechanism in C ?

To address this request for a generic exception catching mechanism, particularly useful for debugging JNI code that calls Windows functions, here's how it can be achieved in C :

<code class="cpp">try {
    // ...
} catch (...) {
    // ...
}</code>

This code will capture all C exceptions within the try block. However, it's essential to note that catching all exceptions is generally considered a poor design practice. If possible, it's preferable to use more specific catch clauses for the exceptions that are expected to occur.

For instance, if you're unable to use C 11's std::current_exception mechanism due to legacy code constraints, you can consider a more granular approach like this:

<code class="cpp">try {
    // ...
} catch (const std::exception& ex) {
    // ...
} catch (const std::string& ex) {
    // ...
} catch (...) {
    // ...
}</code>

This will catch specific exception types (std::exception and std::string in this case) while capturing any unforeseen exceptions with the final catch-all clause. Remember, it's crucial to only use the catch-all clause as a last resort to capture unexpected errors that you haven't explicitly handled.

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