In file ../include/EST_error.h:

enum EST_error_behaviour

Defines the attitude of a call to possible fatal errors.

est_errors_checked

Function will not normally return an error unless something really bad has gone wrong.

est_errors_allowed

Function will throw errors when feature doesn't exist

est_errors_never

No fatal errors allowed.

Documentation

Defines the attitude of a call to possible fatal errors. Passing one of these values to a function tells it how much care it needs to take to avoid calls to EST_error.

These need snappier names. the numbers are their for historical reasons

est_errors_checked

Function will not normally return an error unless something really bad has gone wrong. For feature lookup, will return default value if feature doesn't exist

est_errors_allowed

Function will throw errors when feature doesn't exist

est_errors_never

No fatal errors allowed. Function must catch all EST_error calls. Will *always* return a default value.

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Copyright University of Edinburgh 1997
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