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Replace index_in_[sub]str_array with index_in_[sub]strings,

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which scans thru "abc\0def\0123\0\0" type strings. Saves 250 bytes.

   text    data     bss     dec     hex filename
 781266    1328   11844  794438   c1f46 busybox_old
 781010    1328   11844  794182   c1e46 busybox_unstripped
This commit is contained in:
Denis Vlasenko
2007-07-24 15:54:42 +00:00
parent bcb66ec22e
commit 990d0f63ee
43 changed files with 352 additions and 340 deletions
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20
networking/libiproute/iplink.c
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@ -171,16 +171,15 @@ static int do_set(int argc, char **argv)
struct ifreq ifr0, ifr1;
char *newname = NULL;
int htype, halen;
static const char * const keywords[] = {
"up", "down", "name", "mtu", "multicast", "arp", "addr", "dev",
"on", "off", NULL
};
static const char keywords[] =
"up\0""down\0""name\0""mtu\0""multicast\0""arp\0""addr\0""dev\0"
"on\0""off\0";
enum { ARG_up = 1, ARG_down, ARG_name, ARG_mtu, ARG_multicast, ARG_arp,
ARG_addr, ARG_dev, PARM_on, PARM_off };
smalluint key;
while (argc > 0) {
key = index_in_str_array(keywords, *argv) + 1;
key = index_in_strings(keywords, *argv) + 1;
if (key == ARG_up) {
mask |= IFF_UP;
flags |= IFF_UP;
@ -199,7 +198,7 @@ static int do_set(int argc, char **argv)
} else if (key == ARG_multicast) {
NEXT_ARG();
mask |= IFF_MULTICAST;
key = index_in_str_array(keywords, *argv) + 1;
key = index_in_strings(keywords, *argv) + 1;
if (key == PARM_on) {
flags |= IFF_MULTICAST;
} else if (key == PARM_off) {
@ -209,7 +208,7 @@ static int do_set(int argc, char **argv)
} else if (key == ARG_arp) {
NEXT_ARG();
mask |= IFF_NOARP;
key = index_in_str_array(keywords, *argv) + 1;
key = index_in_strings(keywords, *argv) + 1;
if (key == PARM_on) {
flags &= ~IFF_NOARP;
} else if (key == PARM_off) {
@ -276,13 +275,12 @@ static int ipaddr_list_link(int argc, char **argv)
/* Return value becomes exitcode. It's okay to not return at all */
int do_iplink(int argc, char **argv)
{
static const char * const keywords[] = {
"set", "show", "lst", "list", NULL
};
static const char keywords[] =
"set\0""show\0""lst\0""list\0";
smalluint key;
if (argc <= 0)
return ipaddr_list_link(0, NULL);
key = index_in_substr_array(keywords, *argv) + 1;
key = index_in_substrings(keywords, *argv) + 1;
if (key == 0)
bb_error_msg_and_die(bb_msg_invalid_arg, *argv, applet_name);
argc--; argv++;