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# errors

## Name

errors -- Error/log messages support.

## Synopsis

    #define             XMLSEC_ERRORS_R_XMLSEC_FAILED
    #define             XMLSEC_ERRORS_R_MALLOC_FAILED
    #define             XMLSEC_ERRORS_R_STRDUP_FAILED
    #define             XMLSEC_ERRORS_R_CRYPTO_FAILED
    #define             XMLSEC_ERRORS_R_XML_FAILED
    #define             XMLSEC_ERRORS_R_XSLT_FAILED
    #define             XMLSEC_ERRORS_R_IO_FAILED
    #define             XMLSEC_ERRORS_R_DISABLED
    #define             XMLSEC_ERRORS_R_NOT_IMPLEMENTED
    #define             XMLSEC_ERRORS_R_INVALID_SIZE
    #define             XMLSEC_ERRORS_R_INVALID_DATA
    #define             XMLSEC_ERRORS_R_INVALID_RESULT
    #define             XMLSEC_ERRORS_R_INVALID_TYPE
    #define             XMLSEC_ERRORS_R_INVALID_OPERATION
    #define             XMLSEC_ERRORS_R_INVALID_STATUS
    #define             XMLSEC_ERRORS_R_INVALID_FORMAT
    #define             XMLSEC_ERRORS_R_DATA_NOT_MATCH
    #define             XMLSEC_ERRORS_R_INVALID_NODE
    #define             XMLSEC_ERRORS_R_INVALID_NODE_CONTENT
    #define             XMLSEC_ERRORS_R_INVALID_NODE_ATTRIBUTE
    #define             XMLSEC_ERRORS_R_MISSING_NODE_ATTRIBUTE
    #define             XMLSEC_ERRORS_R_NODE_ALREADY_PRESENT
    #define             XMLSEC_ERRORS_R_UNEXPECTED_NODE
    #define             XMLSEC_ERRORS_R_NODE_NOT_FOUND
    #define             XMLSEC_ERRORS_R_INVALID_TRANSFORM
    #define             XMLSEC_ERRORS_R_INVALID_TRANSFORM_KEY
    #define             XMLSEC_ERRORS_R_INVALID_URI_TYPE
    #define             XMLSEC_ERRORS_R_TRANSFORM_SAME_DOCUMENT_REQUIRED
    #define             XMLSEC_ERRORS_R_TRANSFORM_DISABLED
    #define             XMLSEC_ERRORS_R_INVALID_KEY_DATA
    #define             XMLSEC_ERRORS_R_KEY_DATA_NOT_FOUND
    #define             XMLSEC_ERRORS_R_KEY_DATA_ALREADY_EXIST
    #define             XMLSEC_ERRORS_R_INVALID_KEY_DATA_SIZE
    #define             XMLSEC_ERRORS_R_KEY_NOT_FOUND
    #define             XMLSEC_ERRORS_R_KEYDATA_DISABLED
    #define             XMLSEC_ERRORS_R_MAX_RETRIEVALS_LEVEL
    #define             XMLSEC_ERRORS_R_MAX_RETRIEVAL_TYPE_MISMATCH
    #define             XMLSEC_ERRORS_R_MAX_ENCKEY_LEVEL
    #define             XMLSEC_ERRORS_R_CERT_VERIFY_FAILED
    #define             XMLSEC_ERRORS_R_CERT_NOT_FOUND
    #define             XMLSEC_ERRORS_R_CERT_REVOKED
    #define             XMLSEC_ERRORS_R_CERT_ISSUER_FAILED
    #define             XMLSEC_ERRORS_R_CERT_NOT_YET_VALID
    #define             XMLSEC_ERRORS_R_CERT_HAS_EXPIRED
    #define             XMLSEC_ERRORS_R_DSIG_NO_REFERENCES
    #define             XMLSEC_ERRORS_R_DSIG_INVALID_REFERENCE
    #define             XMLSEC_ERRORS_R_ASSERTION
    #define             XMLSEC_ERRORS_MAX_NUMBER
    void                (*xmlSecErrorsCallback)             (const char *file,
                                                             int line,
                                                             const char *func,
                                                             const char *errorObject,
                                                             const char *errorSubject,
                                                             int reason,
                                                             const char *msg);
    voidxmlSecErrorsInit                    (void);
    voidxmlSecErrorsShutdown                (void);
    voidxmlSecErrorsSetCallback             (xmlSecErrorsCallback callback);
    voidxmlSecErrorsDefaultCallback         (const char *file,
                                                             int line,
                                                             const char *func,
                                                             const char *errorObject,
                                                             const char *errorSubject,
                                                             int reason,
                                                             const char *msg);
    voidxmlSecErrorsDefaultCallbackEnableOutput
                                                            (int enabled);
    intxmlSecErrorsGetCode                 (xmlSecSize pos);
    const char*         xmlSecErrorsGetMsg                  (xmlSecSize pos);
    #define             XMLSEC_ERRORS_HERE
    #define             xmlSecErrorsSafeString              (str)
    #define             XMLSEC_ERRORS_NO_MESSAGE
    voidxmlSecError                         (const char *file,
                                                             int line,
                                                             const char *func,
                                                             const char *errorObject,
                                                             const char *errorSubject,
                                                             int reason,
                                                             const char *msg,
                                                             ...);
    #define             xmlSecAssert                        (p)
    #define             xmlSecAssert2                       (p,
                                                             ret)

## Description

Error/log messages support.

## Details

### XMLSEC_ERRORS_R_XMLSEC_FAILED

    #define XMLSEC_ERRORS_R_XMLSEC_FAILED                   1

An XMLSec function failed (error subject is the failed function).

### XMLSEC_ERRORS_R_MALLOC_FAILED

    #define XMLSEC_ERRORS_R_MALLOC_FAILED                   2

Failed to allocate memory error.

### XMLSEC_ERRORS_R_STRDUP_FAILED

    #define XMLSEC_ERRORS_R_STRDUP_FAILED                   3

Failed to duplicate string error.

### XMLSEC_ERRORS_R_CRYPTO_FAILED

    #define XMLSEC_ERRORS_R_CRYPTO_FAILED                   4

Crypto (OpenSSL) function failed (error subject is the failed function).

### XMLSEC_ERRORS_R_XML_FAILED

    #define XMLSEC_ERRORS_R_XML_FAILED                      5

LibXML function failed (error subject is the failed function).

### XMLSEC_ERRORS_R_XSLT_FAILED

    #define XMLSEC_ERRORS_R_XSLT_FAILED                     6

LibXSLT function failed (error subject is the failed function).

### XMLSEC_ERRORS_R_IO_FAILED

    #define XMLSEC_ERRORS_R_IO_FAILED                       7

IO operation failed.

### XMLSEC_ERRORS_R_DISABLED

    #define XMLSEC_ERRORS_R_DISABLED                        8

The feature is disabled during compilation. Check './configure --help' for details on how to enable it.

### XMLSEC_ERRORS_R_NOT_IMPLEMENTED

    #define XMLSEC_ERRORS_R_NOT_IMPLEMENTED                 9

Feature is not implemented.

### XMLSEC_ERRORS_R_INVALID_SIZE

    #define XMLSEC_ERRORS_R_INVALID_SIZE                    11

Invalid size.

### XMLSEC_ERRORS_R_INVALID_DATA

    #define XMLSEC_ERRORS_R_INVALID_DATA                    12

Invalid data.

### XMLSEC_ERRORS_R_INVALID_RESULT

    #define XMLSEC_ERRORS_R_INVALID_RESULT                  13

Invalid result.

### XMLSEC_ERRORS_R_INVALID_TYPE

    #define XMLSEC_ERRORS_R_INVALID_TYPE                    14

Invalid type.

### XMLSEC_ERRORS_R_INVALID_OPERATION

    #define XMLSEC_ERRORS_R_INVALID_OPERATION               15

Invalid operation.

### XMLSEC_ERRORS_R_INVALID_STATUS

    #define XMLSEC_ERRORS_R_INVALID_STATUS                  16

Invalid status.

### XMLSEC_ERRORS_R_INVALID_FORMAT

    #define XMLSEC_ERRORS_R_INVALID_FORMAT                  17

Invalid format.

### XMLSEC_ERRORS_R_DATA_NOT_MATCH

    #define XMLSEC_ERRORS_R_DATA_NOT_MATCH                  18

The data do not match our expectation.

### XMLSEC_ERRORS_R_INVALID_NODE

    #define XMLSEC_ERRORS_R_INVALID_NODE                    21

Invalid node (error subject is the node name).

### XMLSEC_ERRORS_R_INVALID_NODE_CONTENT

    #define XMLSEC_ERRORS_R_INVALID_NODE_CONTENT            22

Invalid node content (error subject is the node name).

### XMLSEC_ERRORS_R_INVALID_NODE_ATTRIBUTE

    #define XMLSEC_ERRORS_R_INVALID_NODE_ATTRIBUTE          23

Invalid node attribute (error subject is the node name).

### XMLSEC_ERRORS_R_MISSING_NODE_ATTRIBUTE

    #define XMLSEC_ERRORS_R_MISSING_NODE_ATTRIBUTE          25

Missing node attribute (error subject is the node name).

### XMLSEC_ERRORS_R_NODE_ALREADY_PRESENT

    #define XMLSEC_ERRORS_R_NODE_ALREADY_PRESENT            26

Node already present,

### XMLSEC_ERRORS_R_UNEXPECTED_NODE

    #define XMLSEC_ERRORS_R_UNEXPECTED_NODE                 27

Unexpected node (error subject is the node name).

### XMLSEC_ERRORS_R_NODE_NOT_FOUND

    #define XMLSEC_ERRORS_R_NODE_NOT_FOUND                  28

Node not found (error subject is the required node name).

### XMLSEC_ERRORS_R_INVALID_TRANSFORM

    #define XMLSEC_ERRORS_R_INVALID_TRANSFORM               31

This transform is invlaid here.

### XMLSEC_ERRORS_R_INVALID_TRANSFORM_KEY

    #define XMLSEC_ERRORS_R_INVALID_TRANSFORM_KEY           32

Key is invalid for this transform.

### XMLSEC_ERRORS_R_INVALID_URI_TYPE

    #define XMLSEC_ERRORS_R_INVALID_URI_TYPE                33

Invalid URI type.

### XMLSEC_ERRORS_R_TRANSFORM_SAME_DOCUMENT_REQUIRED

    #define XMLSEC_ERRORS_R_TRANSFORM_SAME_DOCUMENT_REQUIRED        34

The transform requires the input document to be the same as context.

### XMLSEC_ERRORS_R_TRANSFORM_DISABLED

    #define XMLSEC_ERRORS_R_TRANSFORM_DISABLED              35

The transform is disabled.

### XMLSEC_ERRORS_R_INVALID_KEY_DATA

    #define XMLSEC_ERRORS_R_INVALID_KEY_DATA                41

Key data is invalid.

### XMLSEC_ERRORS_R_KEY_DATA_NOT_FOUND

    #define XMLSEC_ERRORS_R_KEY_DATA_NOT_FOUND              42

Data is not found (error subject is the data name).

### XMLSEC_ERRORS_R_KEY_DATA_ALREADY_EXIST

    #define XMLSEC_ERRORS_R_KEY_DATA_ALREADY_EXIST          43

The key data is already exist.

### XMLSEC_ERRORS_R_INVALID_KEY_DATA_SIZE

    #define XMLSEC_ERRORS_R_INVALID_KEY_DATA_SIZE           44

Invalid key size.

### XMLSEC_ERRORS_R_KEY_NOT_FOUND

    #define XMLSEC_ERRORS_R_KEY_NOT_FOUND                   45

Key not found.

### XMLSEC_ERRORS_R_KEYDATA_DISABLED

    #define XMLSEC_ERRORS_R_KEYDATA_DISABLED                46

The key data type disabled.

### XMLSEC_ERRORS_R_MAX_RETRIEVALS_LEVEL

    #define XMLSEC_ERRORS_R_MAX_RETRIEVALS_LEVEL            51

Max allowed retrievals level reached.

### XMLSEC_ERRORS_R_MAX_RETRIEVAL_TYPE_MISMATCH

    #define XMLSEC_ERRORS_R_MAX_RETRIEVAL_TYPE_MISMATCH     52

The retrieved key data type does not match the one specified in the <dsig:RetrievalMethod/> node.

### XMLSEC_ERRORS_R_MAX_ENCKEY_LEVEL

    #define XMLSEC_ERRORS_R_MAX_ENCKEY_LEVEL                61

Max EncryptedKey level reached.

### XMLSEC_ERRORS_R_CERT_VERIFY_FAILED

    #define XMLSEC_ERRORS_R_CERT_VERIFY_FAILED              71

Certificate verification failed.

### XMLSEC_ERRORS_R_CERT_NOT_FOUND

    #define XMLSEC_ERRORS_R_CERT_NOT_FOUND                  72

Requested certificate is not found.

### XMLSEC_ERRORS_R_CERT_REVOKED

    #define XMLSEC_ERRORS_R_CERT_REVOKED                    73

The certificate is revoked.

### XMLSEC_ERRORS_R_CERT_ISSUER_FAILED

    #define XMLSEC_ERRORS_R_CERT_ISSUER_FAILED              74

Failed to get certificate issuer.

### XMLSEC_ERRORS_R_CERT_NOT_YET_VALID

    #define XMLSEC_ERRORS_R_CERT_NOT_YET_VALID              75

"Not valid before" verification failed.

### XMLSEC_ERRORS_R_CERT_HAS_EXPIRED

    #define XMLSEC_ERRORS_R_CERT_HAS_EXPIRED                76

"Not valid after" verification failed.

### XMLSEC_ERRORS_R_DSIG_NO_REFERENCES

    #define XMLSEC_ERRORS_R_DSIG_NO_REFERENCES              81

The <dsig:Reference> nodes not found.

### XMLSEC_ERRORS_R_DSIG_INVALID_REFERENCE

    #define XMLSEC_ERRORS_R_DSIG_INVALID_REFERENCE          82

The <dsig:Reference> validation failed.

### XMLSEC_ERRORS_R_ASSERTION

    #define XMLSEC_ERRORS_R_ASSERTION                       100

Invalid assertion.

### XMLSEC_ERRORS_MAX_NUMBER

    #define XMLSEC_ERRORS_MAX_NUMBER                        256

The maximum xmlsec errors number.

### xmlSecErrorsCallback ()

    void                (*xmlSecErrorsCallback)             (const char *file,
                                                             int line,
                                                             const char *func,
                                                             const char *errorObject,
                                                             const char *errorSubject,
                                                             int reason,
                                                             const char *msg);

The errors reporting callback function.

`file` : | the error location file name (__FILE__ macro).
`line` : | the error location line number (__LINE__ macro).
`func` : | the error location function name (__FUNCTION__ macro).
`errorObject` : | the error specific error object
`errorSubject` : | the error specific error subject.
`reason` : | the error code.
`msg` : | the additional error message.

### xmlSecErrorsInit ()

    void                xmlSecErrorsInit                    (void);

Initializes the errors reporting. It is called from xmlSecInit function. and applications must not call this function directly.

### xmlSecErrorsShutdown ()

    void                xmlSecErrorsShutdown                (void);

Cleanups the errors reporting. It is called from xmlSecShutdown function. and applications must not call this function directly.

### xmlSecErrorsSetCallback ()

    void                xmlSecErrorsSetCallback             (xmlSecErrorsCallback callback);

Sets the errors callback function to `callback` that will be called every time an error occurs.

`callback` : | the new errors callback function.

### xmlSecErrorsDefaultCallback ()

    void                xmlSecErrorsDefaultCallback         (const char *file,
                                                             int line,
                                                             const char *func,
                                                             const char *errorObject,
                                                             const char *errorSubject,
                                                             int reason,
                                                             const char *msg);

The default error reporting callback that utilizes LibXML error reporting xmlGenericError function.

`file` : | the error location file name (__FILE__ macro).
`line` : | the error location line number (__LINE__ macro).
`func` : | the error location function name (__FUNCTION__ macro).
`errorObject` : | the error specific error object
`errorSubject` : | the error specific error subject.
`reason` : | the error code.
`msg` : | the additional error message.

### xmlSecErrorsDefaultCallbackEnableOutput ()

    void                xmlSecErrorsDefaultCallbackEnableOutput
                                                            (int enabled);

Enables or disables calling LibXML2 callback from the default errors callback.

`enabled` : | the flag.

### xmlSecErrorsGetCode ()

    int                 xmlSecErrorsGetCode                 (xmlSecSize pos);

Gets the known error code at position `pos`.

`pos` : | the error position.
Returns : | the known error code or 0 if `pos` is greater than total number of known error codes.

### xmlSecErrorsGetMsg ()

    const char*         xmlSecErrorsGetMsg                  (xmlSecSize pos);

Gets the known error message at position `pos`.

`pos` : | the error position.
Returns : | the known error message or NULL if `pos` is greater than total number of known error codes.

### XMLSEC_ERRORS_HERE

    #define XMLSEC_ERRORS_HERE                      __FILE__,__LINE__,__XMLSEC_FUNCTION__

The macro that specifies the location (file, line and function) for the `xmlSecError()` function.

### xmlSecErrorsSafeString()

    #define             xmlSecErrorsSafeString(str)

Macro. Returns `str` if it is not NULL or pointer to "NULL" otherwise.

`str` : | the string.

### XMLSEC_ERRORS_NO_MESSAGE

    #define XMLSEC_ERRORS_NO_MESSAGE                " "

Empty error message " ".

### xmlSecError ()

    void                xmlSecError                         (const char *file,
                                                             int line,
                                                             const char *func,
                                                             const char *errorObject,
                                                             const char *errorSubject,
                                                             int reason,
                                                             const char *msg,
                                                             ...);

Reports an error to the default (xmlSecErrorsDefaultCallback) or application specific callback installed using xmlSecErrorsSetCallback function.

`file` : | the error location filename (__FILE__).
`line` : | the error location line number (__LINE__).
`func` : | the error location function (__FUNCTIION__).
`errorObject` : | the error specific error object
`errorSubject` : | the error specific error subject.
`reason` : | the error code.
`msg` : | the error message in printf format.
`...` : | the parameters for the `msg`.

### xmlSecAssert()

    #define             xmlSecAssert( p )

Macro. Verifies that `p` is true and calls `return()` otherwise.

`p` : | the expression.

### xmlSecAssert2()

    #define             xmlSecAssert2( p, ret )

Macro. Verifies that `p` is true and calls return(`ret`) otherwise.

`p` : | the expression.
`ret` : | the return value.