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udhcp: pass pointer to whole packet to "add option" functions

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This is needed for "overflow option" support

function                                             old     new   delta
udhcp_find_option                                      -      34     +34
udhcp_add_binary_option                               94     106     +12
write_leases                                         227     223      -4
udhcp_init_header                                     86      82      -4
send_release                                         104      99      -5
init_packet                                           87      81      -6
add_client_options                                   160     154      -6
add_server_options                                   100      92      -8
udhcpd_main                                         1964    1954     -10
udhcpc_main                                         2859    2837     -22
find_option                                           34       -     -34
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 1/8 up/down: 46/-99)            Total: -53 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2010-03-26 09:32:09 +01:00
parent a8f6b99987
commit 7724c766bd
8 changed files with 37 additions and 34 deletions
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2
networking/udhcp/packet.c
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@ -33,7 +33,7 @@ void FAST_FUNC udhcp_init_header(struct dhcp_packet *packet, char type)
packet->cookie = htonl(DHCP_MAGIC);
if (DHCP_END != 0)
packet->options[0] = DHCP_END;
udhcp_add_simple_option(packet->options, DHCP_MESSAGE_TYPE, type);
udhcp_add_simple_option(packet, DHCP_MESSAGE_TYPE, type);
}
#if defined CONFIG_UDHCP_DEBUG && CONFIG_UDHCP_DEBUG >= 2