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https://github.com/openvswitch/ovs
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cbc083e330
Ignoring the result of this function means that the caller is quite likely blindly using the character array passed in, instead of the return value, which leads to latent bugs. This would have prevented one of the bugs fixed by commit "tunneling: Fix a tunnel name display bug". CC: Andy Zhou <azhou@nicira.com> Signed-off-by: Ben Pfaff <blp@nicira.com> Acked-by: Andy Zhou <azhou@nicira.com>
57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/*
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* Copyright (c) 2010, 2011, 2013, 2015 Nicira, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef NETDEV_VPORT_H
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#define NETDEV_VPORT_H 1
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#include <stdbool.h>
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#include <stddef.h>
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#include "compiler.h"
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struct dpif_netlink_vport;
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struct dpif_flow_stats;
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struct netdev;
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struct netdev_class;
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struct netdev_stats;
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void netdev_vport_tunnel_register(void);
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void netdev_vport_patch_register(void);
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bool netdev_vport_is_patch(const struct netdev *);
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bool netdev_vport_is_layer3(const struct netdev *);
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char *netdev_vport_patch_peer(const struct netdev *netdev);
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void netdev_vport_inc_rx(const struct netdev *,
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const struct dpif_flow_stats *);
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void netdev_vport_inc_tx(const struct netdev *,
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const struct dpif_flow_stats *);
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bool netdev_vport_is_vport_class(const struct netdev_class *);
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const char *netdev_vport_class_get_dpif_port(const struct netdev_class *);
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#ifndef _WIN32
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enum { NETDEV_VPORT_NAME_BUFSIZE = 16 };
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#else
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enum { NETDEV_VPORT_NAME_BUFSIZE = 256 };
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#endif
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const char *netdev_vport_get_dpif_port(const struct netdev *,
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char namebuf[], size_t bufsize)
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OVS_WARN_UNUSED_RESULT;
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char *netdev_vport_get_dpif_port_strdup(const struct netdev *);
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#endif /* netdev-vport.h */
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