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ui: mix misleading comments & return types of VNC I/O helper methods

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While the QIOChannel APIs for reading/writing data return ssize_t, with negative
value indicating an error, the VNC code passes this return value through the
vnc_client_io_error() method. This detects the error condition, disconnects the
client and returns 0 to indicate error. Thus all the VNC helper methods should
return size_t (unsigned), and misleading comments which refer to the possibility
of negative return values need fixing.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20171218191228.31018-14-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Daniel P. Berrange
2017-12-18 19:12:28 +00:00
committed by Gerd Hoffmann
parent 6aa22a2918
commit 30b80fd526
4 changed files with 24 additions and 23 deletions
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4
ui/vnc-auth-sasl.h
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@ -65,8 +65,8 @@ struct VncDisplaySASL {
void vnc_sasl_client_cleanup(VncState *vs);
long vnc_client_read_sasl(VncState *vs);
long vnc_client_write_sasl(VncState *vs);
size_t vnc_client_read_sasl(VncState *vs);
size_t vnc_client_write_sasl(VncState *vs);
void start_auth_sasl(VncState *vs);