[ovs-git] Open vSwitch: ofproto: Group functions related to flow expiration together. (master)

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       via  3dffcf0701f7e7753710348d34eb5be007525877 (commit)
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- Log -----------------------------------------------------------------
commit 4a4cdb3b24f582e6a751a7a67bf4cbdbd071fcf6
Diffs: http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=commitdiff;h=4a4cdb3b24f582e6a751a7a67bf4cbdbd071fcf6
Author: Ben Pfaff <blp at nicira.com>
		
ofproto: Group functions related to flow expiration together.
		
This should be a purely stylistic change, with no effect on behavior.

This commit changes the callback pointer passed to the
classifier_for_each() from a pointer to an ofproto to a pointer to a
structure that includes an ofproto.  Future commits planned will add
more members to this new structure.


commit 3dffcf0701f7e7753710348d34eb5be007525877
Diffs: http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=commitdiff;h=3dffcf0701f7e7753710348d34eb5be007525877
Author: Ben Pfaff <blp at nicira.com>
		
ofproto: Avoid wasting memory malloc()'ing empty action sets for subrules.
		
GNU libc treats malloc(0) as malloc(1).  Subrules always have an n_actions
of 0, so this code was wasting time and memory for subrules.  This commit
stops doing that.

Also audits and fixes some very pedantic potential problems with null
pointers; e.g. the C standard says that NULL may not be compared with the
< operator, even if both arguments are null, and it also says that a null
pointer may not be passed to memcpy() or memcmp(), even if the length is
zero.


-----------------------------------------------------------------------

Summary of changes:
 lib/ofp-util.c    |    9 +-
 ofproto/ofproto.c |  338 ++++++++++++++++++++++++++++++-----------------------
 2 files changed, 194 insertions(+), 153 deletions(-)


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