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(gpgme.info)Error Values
Error Values
============
- Data type: enum GpgmeError
The `GpgmeError' type specifies the set of all error values that
are used by GPGME. Possible values are:
`GPGME_EOF'
This value indicates the end of a list, buffer or file.
`GPGME_No_Error'
This value indicates success. The value of this error is `0'.
`GPGME_General_Error'
This value means that something went wrong, but either there
is not enough information about the problem to return a more
useful error value, or there is no separate error value for
this type of problem.
`GPGME_Out_Of_Core'
This value means that an out-of-memory condition occurred.
`GPGME_Invalid_Value'
This value means that some user provided data was out of
range. This can also refer to objects. For example, if an
empty `GpgmeData' object was expected, but one containing
data was provided, this error value is returned.
`GPGME_Busy'
This value is returned if you try to start a new operation in
a context that is already busy with some earlier operation
which was not cancelled or finished yet.
`GPGME_No_Request'
This value is in some sense the opposite of `GPGME_Busy'.
There is no pending operation, but it is required for the
function to succeed.
`GPGME_Exec_Error'
This value means that an error occurred when trying to spawn
a child process.
`GPGME_Too_Many_Procs'
This value means that there are too many active backend
processes.
`GPGME_Pipe_Error'
This value means that the creation of a pipe failed.
`GPGME_No_Recipients'
This value means that no valid recipients for a message have
been set.
`GPGME_Invalid_Recipients'
This value means that some, but not all, recipients for a
message have been invalid.
`GPGME_No_Data'
This value means that a `GpgmeData' object which was expected
to have content was found empty.
`GPGME_Conflict'
This value means that a conflict of some sort occurred.
`GPGME_Not_Implemented'
This value indicates that the specific function (or
operation) is not implemented. This error should never
happen. It can only occur if you use certain values or
configuration options which do not work, but for which we
think that they should work at some later time.
`GPGME_Read_Error'
This value means that an I/O read operation failed.
`GPGME_Write_Error'
This value means that an I/O write operation failed.
`GPGME_Invalid_Type'
This value means that a user provided object was of a wrong or
incompatible type. Usually this refers to the type of a
`GpgmeData' object.
`GPGME_Invalid_Mode'
This value means that a `GpgmeData' object has an incorrect
mode of operation (for example, doesn't support output
although it is attempted to use it as an output buffer).
`GPGME_File_Error'
This value means that a file I/O operation failed. The value
of `errno' contains the system error value.
`GPGME_Decryption_Failed'
This value indicates that a decryption operation was
unsuccessful.
`GPGME_No_Passphrase'
This value means that the user did not provide a passphrase
when requested.
`GPGME_Canceled'
This value means that the operation was canceled.
`GPGME_Invalid_Key'
This value means that a key was invalid.
`GPGME_Invalid_Engine'
This value means that the engine that implements the desired
protocol is currently not available. This can either be
because the sources were configured to exclude support for
this engine, or because the engine is not installed properly.
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