[lwip-commits] [SCM] lwIP - A Lightweight TCPIP stack branch, master, updated. master_at_STABLE-2_0_0-329-g4c76fd5

[Joel Cunningham]

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- Log -----------------------------------------------------------------
commit 4c76fd500c59f0fb38027f6c602641b1b79ae505
Author: Joel Cunningham <address@hidden>
Date:   Fri Feb 17 13:26:16 2017 -0600

    Move write_offset from struct netconn to struct api_msg
    
    This moves the write_offset variable from struct netconn to struct api_msg
    
    This optimizes the storage by only having the space claimed when it is
    needed (during a netconn_write_partly() call) and not throughout the
    lifetime of the netconn
    
    This also reduces code space/execution by not having to separately manage
    clearing/checking write_offset from the current_msg pointer
    
    Lastly, we also save execution by using msg.w.offset as the output
    rather than marshaling the result to msg.w.len. Previously, len was used
    as input length of dataptr and output for the write operation.
    netconn_write_partly() also has access to msg.w.offset, so we can use
    that

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

Summary of changes:
 src/api/api_lib.c               |  3 ++-
 src/api/api_msg.c               | 45 ++++++++++++++++-------------------------
 src/include/lwip/api.h          |  3 ---
 src/include/lwip/priv/api_msg.h |  3 +++
 4 files changed, 22 insertions(+), 32 deletions(-)


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