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inet_pton() replacement

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This commit is contained in:
Rémi Denis-Courmont 2005-07-28 15:31:10 +00:00
parent 5cd565b2af
commit 2c91228b55
3 changed files with 66 additions and 22 deletions
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6
include/network.h
View File

@ -360,6 +360,12 @@ VLC_EXPORT( int, __net_vaPrintf, ( vlc_object_t *p_this, int fd, v_socket_t *, c
#define net_GetPeerAddress(a,b,c,d) __net_GetAddress(VLC_OBJECT(a),VLC_TRUE,b,c,d)
VLC_EXPORT( int, __net_GetAddress, ( vlc_object_t *p_this, vlc_bool_t peer, int fd, char *address, int *port ) );
#if !HAVE_INET_PTON
/* only in core, so no need for C++ extern "C" */
int inet_pton(int af, const char *src, void *dst);
#endif
/*****************************************************************************
* net_StopRecv/Send
*****************************************************************************

59
src/misc/net.c
View File

@ -1185,3 +1185,62 @@ int __net_GetAddress( vlc_object_t *p_this, vlc_bool_t peer, int fd,
}
return 0;
}
/*****************************************************************************
* inet_pton replacement for obsolete and/or crap operating systems
*****************************************************************************/
#ifndef HAVE_INET_PTON
int inet_pton(int af, const char *src, void *dst)
{
# ifdef WIN32
/* As we already know, Microsoft always go its own way, so even if they do
* provide IPv6, they don't provide the API. */
struct sockaddr_storage addr;
int len = sizeof( addr );
/* Damn it, they didn't even put LPCSTR for the firs parameter!!! */
char *workaround_for_ill_designed_api = strdup( src );
if( !WSAStringToAddress( workaround_for_ill_designed_api, af, NULL,
(LPSOCKADDR)&addr, &len ) )
{
free( workaround_for_ill_designed_api );
return -1;
}
free( workaround_for_ill_designed_api );
switch( af )
{
case AF_INET6:
memcpy( dst, &((struct sockaddr_in6 *)&addr)->sin6_addr, 16 );
break;
case AF_INET:
memcpy( dst, &((struct sockaddr_in *)&addr)->sin_addr, 4 );
break;
default:
WSASetLastError( WSAEAFNOSUPPORT );
return -1;
}
# else
/* Assume IPv6 is not supported. */
/* Would be safer and more simpler to use inet_aton() but it is most
* likely not provided either. */
uint32_t ipv4;
if( af != AF_INET )
{
errno = EAFNOSUPPORT;
return -1;
}
ipv4 = inet_addr( src );
if( ipv4 == INADDR_NONE )
return -1;
memcpy( dst; &ipv4, 4 );
# endif /* WIN32 */
return 0;
}
#endif /* HAVE_INET_PTON */

23
src/stream_output/sap.c
View File

@ -300,7 +300,7 @@ static int announce_SAPAnnounceAdd( sap_handler_t *p_sap,
switch( addr.ss_family )
{
#if defined (HAVE_GETADDRINFO) || defined (WIN32)
#if defined (INET_PTON) || defined (WIN32)
case AF_INET6:
{
/* See RFC3513 for list of valid IPv6 scopes */
@ -457,29 +457,8 @@ static int announce_SAPAnnounceAdd( sap_handler_t *p_sap,
psz_head[2] = (i_hash & 0xFF00) >> 8; /* Msg id hash */
psz_head[3] = (i_hash & 0xFF); /* Msg id hash 2 */
#if defined(WIN32)
if( b_ipv6 )
{
struct sockaddr_in6 saddr;
int len = sizeof(saddr);
if( ! WSAStringToAddress(p_sap_session->p_address->psz_machine,
AF_INET6, NULL, (LPSOCKADDR)&saddr, &len) )
return VLC_ENOMEM;
memcpy(psz_head+4, &saddr.sin6_addr, sizeof(struct in6_addr));
}
else
{
struct sockaddr_in saddr;
int len = sizeof(saddr);
if( ! WSAStringToAddress(p_sap_session->p_address->psz_machine,
AF_INET, NULL, (LPSOCKADDR)&saddr, &len) )
return VLC_ENOMEM;
memcpy(psz_head+4, &saddr.sin_addr, sizeof(struct in_addr));
}
#else
inet_pton( b_ipv6 ? AF_INET6 : AF_INET, /* can't fail */
p_sap_session->p_address->psz_machine, psz_head + 4 );
#endif
memcpy( psz_head + (b_ipv6 ? 20 : 8), "application/sdp", 15 );