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auxnet.c
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auxnet.c
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#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#if (PARSE_IP_TO_ADDR)
int parse_ip(char *str, void *addr)
{
if (inet_pton(AF_INET, str, addr) == 1)
{
return AF_INET;
}
if (inet_pton(AF_INET6, str, addr) == 1)
{
return AF_INET6;
}
return 0;
}
#else
int parse_ip(char *str)
#endif
{
char addr[16];
if (inet_pton(AF_INET, str, addr) == 1)
return AF_INET;
if (inet_pton(AF_INET6, str, addr) == 1)
return AF_INET6;
return 0;
}
/*
A wrapper around inet_ntop that accommodates both IPv4 and IPv6.
It is excpected that name points to a valid buffer space and size
is how big the buffer is.
*/
char *addr_str(struct sockaddr* addr, char *name, socklen_t size)
{
int socknamelen = 0;
int sockfamily = 0;
void *sockaddr = NULL;
sockfamily = addr->sa_family;
switch (addr->sa_family)
{
case AF_INET:
sockaddr = &((struct sockaddr_in*)addr)->sin_addr;
socknamelen = INET_ADDRSTRLEN>size?size:INET_ADDRSTRLEN;
break;
case AF_INET6:
sockaddr = &((struct sockaddr_in6*)addr)->sin6_addr;
socknamelen = INET6_ADDRSTRLEN>size?size:INET6_ADDRSTRLEN;
break;
}
if (inet_ntop(sockfamily, (struct sockaddr*)sockaddr, name, socknamelen) == NULL)
return NULL;
return name;
}