sane-project-backends/lib/inet_pton.c

53 wiersze
839 B
C

#include "../include/sane/config.h"
#ifndef HAVE_INET_PTON
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
int
inet_pton (int af, const char *src, void *dst)
{
if (af == AF_INET)
{
#if defined(HAVE_INET_ATON)
int result;
struct in_addr in;
result = inet_aton (src, &in);
if (result)
{
memcpy (dst, &in.s_addr, sizeof (in.s_addr));
return 1;
}
else
return 0;
#elif defined(HAVE_INET_ADDR)
# if !defined(INADDR_NONE)
# define INADDR_NONE -1
# endif /* !defined(INADDR_NONE) */
u_int32_t in;
in = inet_addr (src);
if (in != INADDR_NONE)
{
memcpy (dst, &in, sizeof (in));
return 1;
}
else
return 0;
#endif /* defined(HAVE_INET_ATON) */
}
return -1;
}
#endif /* !HAVE_INET_PTON */