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vty: Add reserved nodes to enum node_type 

Currently every time a node is added to enum node_type, this
constitutes an ABI change, since _LAST_OSMOVTY_NODE will get
incremented accordingly. In this case, every project that adds new
node type based on that value will have to be recompiled.

This commit adds 4 spare node type values, which can be replaced
one-by-one by new real types until they are exhausted to avoid
this kind of ABI change.

Sponsored-by: On-Waves ehf
This commit is contained in:
Jacob Erlbeck 2015-11-02 10:50:50 +01:00 committed by Holger Hans Peter Freyther
parent fc9533d6c4
commit 34eec7da8d
2 changed files with 10 additions and 0 deletions
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1
TODO-RELEASE
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@ -1,2 +1,3 @@
#library what description / commit summary line
libosmovty abi-change stats/vty: Add stats configuration (enum node_type has changed)
libosmovty abi-change vty: Add reserved nodes to enum node_type

9
include/osmocom/vty/command.h
View File

@ -84,6 +84,15 @@ enum node_type {
L_NS_NODE, /*!< \brief NS node in libosmo-gb. */
L_BSSGP_NODE, /*!< \brief BSSGP node in libosmo-gb. */
/*
* When adding new nodes to the libosmocore project, these nodes can be
* used to avoid ABI changes for unrelated projects.
*/
RESERVED1_NODE, /*!< \brief Reserved for later extensions */
RESERVED2_NODE, /*!< \brief Reserved for later extensions */
RESERVED3_NODE, /*!< \brief Reserved for later extensions */
RESERVED4_NODE, /*!< \brief Reserved for later extensions */
_LAST_OSMOVTY_NODE
};