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| author | Denis Vlasenko | 2008-12-08 22:56:18 +0000 |
|---|---|---|
| committer | Denis Vlasenko | 2008-12-08 22:56:18 +0000 |
| commit | efb545b9bdd3934dcdbf9bc0890a42081b330049 (patch) | |
| tree | 4dc9212e49a5dae9890bd324bcc9bf4941e2321d /networking/udhcp/script.c | |
| parent | d1a84a2880073f6cc5e2f9f4e5f236cd110f01a0 (diff) | |
| download | busybox-efb545b9bdd3934dcdbf9bc0890a42081b330049.zip busybox-efb545b9bdd3934dcdbf9bc0890a42081b330049.tar.gz | |
optimize 16- and 32-bit moves
function old new delta
udhcpd_main 1239 1257 +18
udhcp_add_simple_option 93 92 -1
buffer_read_le_u32 19 18 -1
unpack_gz_stream_with_info 526 520 -6
dnsd_main 1470 1463 -7
udhcp_run_script 1208 1186 -22
send_ACK 255 229 -26
arping_main 1661 1623 -38
send_offer 470 428 -42
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/8 up/down: 18/-143) Total: -125 bytes
Diffstat (limited to 'networking/udhcp/script.c')
| -rw-r--r-- | networking/udhcp/script.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/networking/udhcp/script.c b/networking/udhcp/script.c index 8dff9b7..4ae17fb 100644 --- a/networking/udhcp/script.c +++ b/networking/udhcp/script.c @@ -90,19 +90,19 @@ static char *alloc_fill_opts(uint8_t *option, const struct dhcp_option *type_p, dest += sprintf(dest, "%u", *option); break; case OPTION_U16: - memcpy(&val_u16, option, 2); + move_from_unaligned16(val_u16, option); dest += sprintf(dest, "%u", ntohs(val_u16)); break; case OPTION_S16: - memcpy(&val_s16, option, 2); + move_from_unaligned16(val_s16, option); dest += sprintf(dest, "%d", ntohs(val_s16)); break; case OPTION_U32: - memcpy(&val_u32, option, 4); + move_from_unaligned32(val_u32, option); dest += sprintf(dest, "%lu", (unsigned long) ntohl(val_u32)); break; case OPTION_S32: - memcpy(&val_s32, option, 4); + move_from_unaligned32(val_s32, option); dest += sprintf(dest, "%ld", (long) ntohl(val_s32)); break; case OPTION_STRING: @@ -183,7 +183,7 @@ static char **fill_envp(struct dhcpMessage *packet) /* Fill in a subnet bits option for things like /24 */ if (dhcp_options[i].code == DHCP_SUBNET) { uint32_t subnet; - memcpy(&subnet, temp, 4); + move_from_unaligned32(subnet, temp); envp[j++] = xasprintf("mask=%d", mton(subnet)); } next: |