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dhcp: heed TODO item - divorced options from their string descriptions

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code shrink while at it.

function                                             old     new   delta
dhcp_option_strings                                    -     258    +258
udhcp_run_script                                    1135    1174     +39
dhcp_option_lengths                                    -      11     +11
udhcp_add_simple_option                               93      92      -1
packet_num                                             4       -      -4
read_opt                                             746     739      -7
udhcp_option_lengths                                  11       -     -11
udhcpc_main                                         2590    2494     -96
dhcp_options                                         490      70    -420
------------------------------------------------------------------------------
(add/remove: 2/2 grow/shrink: 1/4 up/down: 308/-539)         Total: -231 bytes
   text    data     bss     dec     hex filename
 775309     929    9100  785338   bfbba busybox_old
 775098     929    9084  785111   bfad7 busybox_unstripped
This commit is contained in:
Denis Vlasenko
2007-11-29 08:17:45 +00:00
parent 64309f8669
commit b539c8452f
8 changed files with 135 additions and 88 deletions
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6
networking/udhcp/options.h
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@@ -98,13 +98,13 @@ enum {
#define OPT_DATA 2
struct dhcp_option {
char opt_name[12];
char flags;
uint8_t flags;
uint8_t code;
};
extern const struct dhcp_option dhcp_options[];
extern const unsigned char option_lengths[];
extern const char dhcp_option_strings[];
extern const uint8_t dhcp_option_lengths[];
uint8_t *get_option(struct dhcpMessage *packet, int code);
int end_option(uint8_t *optionptr);