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Fixed: Windows XP doesn't support inet_pton and inet_ntop

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kervala 2016-02-14 19:58:42 +01:00
parent 5dbef7eaec
commit dbca2d1802
1 changed files with 78 additions and 0 deletions
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78
code/nel/src/net/inet_address.cpp
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@ -30,6 +30,84 @@
# include <ws2ipdef.h>
// for Windows 2000 compatibility
# include <wspiapi.h>
#if !defined(NTDDI_VISTA) || (NTDDI_VERSION < NTDDI_VISTA)
// inet_pton and inet_ntop not defined in winsock DLL before Vista
// taken from http://stackoverflow.com/questions/13731243/what-is-the-windows-xp-equivalent-of-inet-pton-or-inetpton
int inet_pton(int af, const char *src, void *dst)
{
struct sockaddr_storage ss;
int size = sizeof(ss);
char src_copy[INET6_ADDRSTRLEN+1];
ZeroMemory(&ss, sizeof(ss));
// stupid non-const API
strncpy (src_copy, src, INET6_ADDRSTRLEN+1);
src_copy[INET6_ADDRSTRLEN] = 0;
if (WSAStringToAddress(src_copy, af, NULL, (struct sockaddr *)&ss, &size) == 0)
{
switch(af)
{
case AF_INET:
*(struct in_addr *)dst = ((struct sockaddr_in *)&ss)->sin_addr;
return 1;
case AF_INET6:
*(struct in6_addr *)dst = ((struct sockaddr_in6 *)&ss)->sin6_addr;
return 1;
}
}
return 0;
}
const char *inet_ntop(int af, const void *src, char *dst, socklen_t size)
{
struct sockaddr_storage ss;
unsigned long s = size;
ZeroMemory(&ss, sizeof(ss));
ss.ss_family = af;
switch(af)
{
case AF_INET:
((struct sockaddr_in *)&ss)->sin_addr = *(struct in_addr *)src;
break;
case AF_INET6:
((struct sockaddr_in6 *)&ss)->sin6_addr = *(struct in6_addr *)src;
break;
default:
return NULL;
}
// cannot directly use &size because of strict aliasing rules
return WSAAddressToString((struct sockaddr *)&ss, sizeof(ss), NULL, dst, &s) == 0 ? dst : NULL;
}
BOOLEAN IN6_IS_ADDR_UNSPECIFIED(CONST IN6_ADDR *a)
{
//
// We can't use the in6addr_any variable, since that would
// require existing callers to link with a specific library.
//
return (BOOLEAN)((a->s6_words[0] == 0) &&
(a->s6_words[1] == 0) &&
(a->s6_words[2] == 0) &&
(a->s6_words[3] == 0) &&
(a->s6_words[4] == 0) &&
(a->s6_words[5] == 0) &&
(a->s6_words[6] == 0) &&
(a->s6_words[7] == 0));
}
#endif
#elif defined NL_OS_UNIX
# include <unistd.h>
# include <sys/socket.h>