diff options
Diffstat (limited to 'ACE/ace/OS_NS_arpa_inet.cpp')
| -rw-r--r-- | ACE/ace/OS_NS_arpa_inet.cpp | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/ACE/ace/OS_NS_arpa_inet.cpp b/ACE/ace/OS_NS_arpa_inet.cpp new file mode 100644 index 00000000000..b895dd74f50 --- /dev/null +++ b/ACE/ace/OS_NS_arpa_inet.cpp @@ -0,0 +1,51 @@ +// -*- C++ -*- +// $Id$ + +#include "ace/OS_NS_arpa_inet.h" + +#if !defined (ACE_HAS_INLINED_OSCALLS) +# include "ace/OS_NS_arpa_inet.inl" +#endif /* ACE_HAS_INLINED_OSCALLS */ + +ACE_BEGIN_VERSIONED_NAMESPACE_DECL + +int +ACE_OS::inet_aton (const char *host_name, struct in_addr *addr) +{ +#if defined (ACE_LACKS_INET_ATON) +# if defined (ACE_WIN32) + // Windows Server 2003 changed the behavior of a zero-length input + // string to inet_addr(). It used to return 0 (INADDR_ANY) but now + // returns -1 (INADDR_NONE). It will return INADDR_ANY for a 1-space + // string, though, as do previous versions of Windows. + if (host_name == 0 || host_name[0] == '\0') + host_name = " "; +# endif /* ACE_WIN32 */ + unsigned long ip_addr = ACE_OS::inet_addr (host_name); + + if (ip_addr == INADDR_NONE + // Broadcast addresses are weird... + && ACE_OS::strcmp (host_name, "255.255.255.255") != 0) + return 0; + else if (addr == 0) + return 0; + else + { + addr->s_addr = ip_addr; // Network byte ordered + return 1; + } +#elif defined (ACE_VXWORKS) && (ACE_VXWORKS <= 0x690) + // inet_aton() returns OK (0) on success and ERROR (-1) on failure. + // Must reset errno first. Refer to WindRiver SPR# 34949, SPR# 36026 + ::errnoSet(0); + int result = ERROR; + ACE_OSCALL (::inet_aton (const_cast <char*>(host_name), addr), int, ERROR, result); + return (result == ERROR) ? 0 : 1; +#else + // inet_aton() returns 0 upon failure, not -1 since -1 is a valid + // address (255.255.255.255). + ACE_OSCALL_RETURN (::inet_aton (host_name, addr), int, 0); +#endif /* ACE_LACKS_INET_ATON */ +} + +ACE_END_VERSIONED_NAMESPACE_DECL |