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authorDenis Vlasenko2007-07-24 15:54:42 +0000
committerDenis Vlasenko2007-07-24 15:54:42 +0000
commit990d0f63eeb502c8762076e5c5499196e09cba55 (patch)
tree30a2091a8159b1694d65f9952e2aba2667d7dc11 /networking/libiproute/iptunnel.c
parentbcb66ec22e82f6b1ab93f3aec917269393a5b464 (diff)
downloadbusybox-990d0f63eeb502c8762076e5c5499196e09cba55.zip
busybox-990d0f63eeb502c8762076e5c5499196e09cba55.tar.gz
Replace index_in_[sub]str_array with index_in_[sub]strings,
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
Diffstat (limited to 'networking/libiproute/iptunnel.c')
-rw-r--r--networking/libiproute/iptunnel.c41
1 files changed, 20 insertions, 21 deletions
diff --git a/networking/libiproute/iptunnel.c b/networking/libiproute/iptunnel.c
index 90d0e11..a293387 100644
--- a/networking/libiproute/iptunnel.c
+++ b/networking/libiproute/iptunnel.c
@@ -128,16 +128,13 @@ static int do_del_ioctl(const char *basedev, struct ip_tunnel_parm *p)
/* Dies on error */
static void parse_args(int argc, char **argv, int cmd, struct ip_tunnel_parm *p)
{
- int count = 0;
- char medium[IFNAMSIZ];
- static const char * const keywords[] = {
- "mode", "ipip", "ip/ip", "gre", "gre/ip", "sit", "ipv6/ip",
- "key", "ikey", "okey", "seq", "iseq", "oseq",
- "csum", "icsum", "ocsum", "nopmtudisc", "pmtudisc",
- "remote", "any", "local", "dev",
- "ttl", "inherit", "tos", "dsfield",
- "name", NULL
- };
+ static const char keywords[] =
+ "mode\0""ipip\0""ip/ip\0""gre\0""gre/ip\0""sit\0""ipv6/ip\0"
+ "key\0""ikey\0""okey\0""seq\0""iseq\0""oseq\0"
+ "csum\0""icsum\0""ocsum\0""nopmtudisc\0""pmtudisc\0"
+ "remote\0""any\0""local\0""dev\0"
+ "ttl\0""inherit\0""tos\0""dsfield\0"
+ "name\0";
enum {
ARG_mode, ARG_ipip, ARG_ip_ip, ARG_gre, ARG_gre_ip, ARG_sit, ARG_ip6_ip,
ARG_key, ARG_ikey, ARG_okey, ARG_seq, ARG_iseq, ARG_oseq,
@@ -146,22 +143,25 @@ static void parse_args(int argc, char **argv, int cmd, struct ip_tunnel_parm *p)
ARG_ttl, ARG_inherit, ARG_tos, ARG_dsfield,
ARG_name
};
+ int count = 0;
+ char medium[IFNAMSIZ];
int key;
+
memset(p, 0, sizeof(*p));
memset(&medium, 0, sizeof(medium));
p->iph.version = 4;
p->iph.ihl = 5;
#ifndef IP_DF
-#define IP_DF 0x4000 /* Flag: "Don't Fragment" */
+#define IP_DF 0x4000 /* Flag: "Don't Fragment" */
#endif
p->iph.frag_off = htons(IP_DF);
while (argc > 0) {
- key = index_in_str_array(keywords, *argv);
+ key = index_in_strings(keywords, *argv);
if (key == ARG_mode) {
NEXT_ARG();
- key = index_in_str_array(keywords, *argv);
+ key = index_in_strings(keywords, *argv);
if (key == ARG_ipip ||
key == ARG_ip_ip) {
if (p->iph.protocol && p->iph.protocol != IPPROTO_IPIP) {
@@ -240,12 +240,12 @@ static void parse_args(int argc, char **argv, int cmd, struct ip_tunnel_parm *p)
p->iph.frag_off = htons(IP_DF);
} else if (key == ARG_remote) {
NEXT_ARG();
- key = index_in_str_array(keywords, *argv);
+ key = index_in_strings(keywords, *argv);
if (key == ARG_any)
p->iph.daddr = get_addr32(*argv);
} else if (key == ARG_local) {
NEXT_ARG();
- key = index_in_str_array(keywords, *argv);
+ key = index_in_strings(keywords, *argv);
if (key == ARG_any)
p->iph.saddr = get_addr32(*argv);
} else if (key == ARG_dev) {
@@ -254,7 +254,7 @@ static void parse_args(int argc, char **argv, int cmd, struct ip_tunnel_parm *p)
} else if (key == ARG_ttl) {
unsigned uval;
NEXT_ARG();
- key = index_in_str_array(keywords, *argv);
+ key = index_in_strings(keywords, *argv);
if (key != ARG_inherit) {
if (get_unsigned(&uval, *argv, 0))
invarg(*argv, "TTL");
@@ -266,7 +266,7 @@ static void parse_args(int argc, char **argv, int cmd, struct ip_tunnel_parm *p)
key == ARG_dsfield) {
uint32_t uval;
NEXT_ARG();
- key = index_in_str_array(keywords, *argv);
+ key = index_in_strings(keywords, *argv);
if (key != ARG_inherit) {
if (rtnl_dsfield_a2n(&uval, *argv))
invarg(*argv, "TOS");
@@ -519,14 +519,13 @@ static int do_show(int argc, char **argv)
/* Return value becomes exitcode. It's okay to not return at all */
int do_iptunnel(int argc, char **argv)
{
- static const char *const keywords[] = {
- "add", "change", "delete", "show", "list", "lst", NULL
- };
+ static const char keywords[] =
+ "add\0""change\0""delete\0""show\0""list\0""lst\0";
enum { ARG_add = 0, ARG_change, ARG_del, ARG_show, ARG_list, ARG_lst };
int key;
if (argc) {
- key = index_in_substr_array(keywords, *argv);
+ key = index_in_substrings(keywords, *argv);
if (key < 0)
bb_error_msg_and_die(bb_msg_invalid_arg, *argv, applet_name);
--argc;