/***********************************************************************
* GetComputerNameExW (KERNEL32.@)
*/
BOOL WINAPI GetComputerNameExW( COMPUTER_NAME_FORMAT type, LPWSTR name, LPDWORD size )
{
char buf[256];
int len = sizeof(buf) - 1, ret;
TRACE("%d, %p, %p\n", type, name, size);
switch( type )
{
case ComputerNameNetBIOS:
case ComputerNamePhysicalNetBIOS:
ret = GetComputerNameW (name, size);
if (!ret && GetLastError() == ERROR_BUFFER_OVERFLOW)
SetLastError( ERROR_MORE_DATA );
return ret;
case ComputerNameDnsHostname:
case ComputerNamePhysicalDnsHostname:
ret = dns_hostname (buf, &len);
break;
case ComputerNameDnsDomain:
case ComputerNamePhysicalDnsDomain:
ret = dns_domainname (buf, &len);
break;
case ComputerNameDnsFullyQualified:
case ComputerNamePhysicalDnsFullyQualified:
ret = dns_fqdn (buf, &len);
break;
default:
SetLastError (ERROR_INVALID_PARAMETER);
return FALSE;
}
if ( ret )
{
unsigned int lenW;
TRACE ("-> %s (%d)\n", debugstr_a (buf), len);
lenW = MultiByteToWideChar( CP_ACP, 0, buf, len, NULL, 0 );
if ( *size < lenW + 1 )
{
*size = lenW + 1;
SetLastError( ERROR_MORE_DATA );
ret = FALSE;
}
else
{
MultiByteToWideChar( CP_ACP, 0, buf, len, name, lenW );
name[lenW] = 0;
*size = lenW;
ret = TRUE;
}
}
return ret;
}
/***********************************************************************
* dns_hostname (INTERNAL)
*/
static BOOL dns_hostname ( char *name, int *size )
{
char *c;
if ( ! dns_fqdn ( name, size ) ) return FALSE;
c = strchr ( name, '.' );
if (c)
{
*c = 0;
*size = (c - name);
}
return TRUE;
}
/***********************************************************************
* dns_domainname (INTERNAL)
*/
static BOOL dns_domainname ( char *name, int *size )
{
char *c;
if ( ! dns_fqdn ( name, size ) ) return FALSE;
c = strchr ( name, '.' );
if (c)
{
c += 1;
*size -= (c - name);
memmove ( name, c, *size + 1 );
}
return TRUE;
}
/***********************************************************************
* GetComputerNameExA (KERNEL32.@)
*/
BOOL WINAPI GetComputerNameExA(COMPUTER_NAME_FORMAT type, LPSTR name, LPDWORD size)
{
char buf[256];
int len = sizeof(buf) - 1, ret;
TRACE("%d, %p, %p\n", type, name, size);
switch( type )
{
case ComputerNameNetBIOS:
case ComputerNamePhysicalNetBIOS:
return GetComputerNameA (name, size);
case ComputerNameDnsHostname:
case ComputerNamePhysicalDnsHostname:
ret = dns_hostname (buf, &len);
break;
case ComputerNameDnsDomain:
case ComputerNamePhysicalDnsDomain:
ret = dns_domainname (buf, &len);
break;
case ComputerNameDnsFullyQualified:
case ComputerNamePhysicalDnsFullyQualified:
ret = dns_fqdn (buf, &len);
break;
default:
SetLastError (ERROR_INVALID_PARAMETER);
return FALSE;
}
if ( ret )
{
TRACE ("-> %s (%d)\n", debugstr_a (buf), len);
if ( *size < len + 1 )
{
*size = len + 1;
SetLastError( ERROR_MORE_DATA );
ret = FALSE;
}
else
{
memcpy( name, buf, len );
name[len] = 0;
*size = len;
ret = TRUE;
}
}
return ret;
}
