Up until now, udhcpc iterated over the received packet a few hundred times (!).
This patch series resolves the relevant TODO - iterating over the packet just
once,
while also reducing binary size.
Tested against:
* VMware's dhcp server
* udhcpd
* ISC's dhcpd
function old new delta
udhcp_scan_options - 203 +203
putenvp - 39 +39
init_scan_state - 24 +24
udhcp_get_option 200 107 -93
udhcp_run_script 963 722 -241
------------------------------------------------------------------------------
(add/remove: 3/0 grow/shrink: 0/2 up/down: 266/-334) Total: -68 bytes
text data bss dec hex filename
981424 16915 1872 1000211 f4313 busybox_old
981356 16915 1872 1000143 f42cf busybox_unstripped
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