Merge remote-tracking branch 'remotes/berrange/tags/vnc-crypto-v9-for-upstream' into staging

Merge vnc-crypto-v9

# gpg: Signature made Tue 15 Sep 2015 15:32:38 BST using RSA key ID 15104FDF
# gpg:

Merge remote-tracking branch 'remotes/berrange/tags/vnc-crypto-v9-for-upstream' into staging

Merge vnc-crypto-v9

# gpg: Signature made Tue 15 Sep 2015 15:32:38 BST using RSA key ID 15104FDF
# gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>"
# gpg: aka "Daniel P. Berrange <berrange@redhat.com>"

* remotes/berrange/tags/vnc-crypto-v9-for-upstream:
ui: convert VNC server to use QCryptoTLSSession
ui: fix return type for VNC I/O functions to be ssize_t
crypto: introduce new module for handling TLS sessions
crypto: add sanity checking of TLS x509 credentials
crypto: introduce new module for TLS x509 credentials
crypto: introduce new module for TLS anonymous credentials
crypto: introduce new base module for TLS credentials
qom: allow QOM to be linked into tools binaries
crypto: move crypto objects out of libqemuutil.la
tests: remove repetition in unit test object deps
qapi: allow override of default enum prefix naming

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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qapi: allow override of default enum prefix naming

The camel_to_upper() method applies some heuristics to turn
a mixed case type name into an all-uppercase name. This is
used for example, to generat

qapi: allow override of default enum prefix naming

The camel_to_upper() method applies some heuristics to turn
a mixed case type name into an all-uppercase name. This is
used for example, to generate enum constant name prefixes.

The heuristics don't also generate a satisfactory name
though. eg

{ 'enum': 'QCryptoTLSCredsEndpoint',
'data': ['client', 'server']}

Results in Q_CRYPTOTLS_CREDS_ENDPOINT_CLIENT. This has
an undesirable _ after the initial Q and is missing an
_ between the CRYPTO & TLS strings.

Rather than try to add more and more heuristics to try
to cope with this, simply allow the QAPI schema to
specify the desired enum constant prefix explicitly.

eg

{ 'enum': 'QCryptoTLSCredsEndpoint',
'prefix': 'QCRYPTO_TLS_CREDS_ENDPOINT',
'data': ['client', 'server']}

Now gives the QCRYPTO_TLS_CREDS_ENDPOINT_CLIENT name.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>

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