diff options
| author | Denys Vlasenko <vda.linux@googlemail.com> | 2018-02-01 10:41:14 +0100 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2018-02-01 10:41:14 +0100 |
| commit | 06076494da41755893a6e072bbd9889581a9e9d1 (patch) | |
| tree | 4215da092df73687aa1790de3125064a3f0d1a45 | |
| parent | d15d7a0a4b07a55268546f0d32b6a3ed78a2ac77 (diff) | |
udhcpd: use ptr_to_globals for its lone global data (g_leases)
function old new delta
udhcpd_main 1461 1463 +2
add_lease 320 318 -2
g_leases 4 - -4
write_leases 223 214 -9
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 1/2 up/down: 2/-15) Total: -13 bytes
text data bss dec hex filename
933232 481 6856 940569 e5a19 busybox_old
933223 481 6852 940556 e5a0c busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | networking/udhcp/dhcpd.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/networking/udhcp/dhcpd.c b/networking/udhcp/dhcpd.c index 238542bb0..ff7450739 100644 --- a/networking/udhcp/dhcpd.c +++ b/networking/udhcp/dhcpd.c @@ -45,7 +45,7 @@ #include "dhcpd.h" /* globals */ -struct dyn_lease *g_leases; +#define g_leases ((struct dyn_lease*)ptr_to_globals) /* struct server_config_t server_config is in bb_common_bufsiz1 */ /* Takes the address of the pointer to the static_leases linked list, @@ -880,7 +880,9 @@ int udhcpd_main(int argc UNUSED_PARAM, char **argv) server_config.max_leases = num_ips; } - g_leases = xzalloc(server_config.max_leases * sizeof(g_leases[0])); + /* this sets g_leases */ + SET_PTR_TO_GLOBALS(xzalloc(server_config.max_leases * sizeof(g_leases[0]))); + read_leases(server_config.lease_file); if (udhcp_read_interface(server_config.interface, |