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make protocol table zero byte separated and add ipv6 protocols

This commit is contained in:
Timo Teräs 2015-02-09 13:34:41 +02:00 committed by Rich Felker
parent f54c28cba2
commit 6a5242e4cb
1 changed files with 26 additions and 22 deletions
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48
src/network/proto.c
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@ -4,25 +4,28 @@
/* do we really need all these?? */
static int idx;
static const unsigned char protos[][8] = {
"\000ip",
"\001icmp",
"\002igmp",
"\003ggp",
"\006tcp",
"\014pup",
"\021udp",
"\026idp",
"\051ipv6",
"\057gre",
"\062esp",
"\063ah",
"\072icmpv6",
"\131ospf",
"\136ipip",
"\147pim",
"\377raw",
"\0\0"
static const unsigned char protos[] = {
"\000ip\0"
"\001icmp\0"
"\002igmp\0"
"\003ggp\0"
"\006tcp\0"
"\014pup\0"
"\021udp\0"
"\026idp\0"
"\051ipv6\0"
"\053ipv6-route\0"
"\054ipv6-frag\0"
"\057gre\0"
"\062esp\0"
"\063ah\0"
"\072ipv6-icmp\0"
"\073ipv6-nonxt\0"
"\074ipv6-opts\0"
"\131ospf\0"
"\136ipip\0"
"\147pim\0"
"\377raw"
};
void endprotoent(void)
@ -39,10 +42,11 @@ struct protoent *getprotoent(void)
{
static struct protoent p;
static const char *aliases;
if (!protos[idx][1]) return NULL;
p.p_proto = protos[idx][0];
p.p_name = (char *)protos[idx++]+1;
if (idx >= sizeof protos) return NULL;
p.p_proto = protos[idx];
p.p_name = (char *)&protos[idx+1];
p.p_aliases = (char **)&aliases;
idx += strlen(p.p_name) + 2;
return &p;
}