diff options
| author | Danny Smith <dannysmith@users.sourceforge.net> | 2006-01-12 01:56:05 +0300 |
|---|---|---|
| committer | Danny Smith <dannysmith@users.sourceforge.net> | 2006-01-12 01:56:05 +0300 |
| commit | cf8fbc710f02f2c828ee56b12f55fa1f793e3efd (patch) | |
| tree | 67ed7d6ad76b11df411c57032c8d9ab31274d6fe /winsup/w32api/include | |
| parent | 16442a4a8f04314fa33899941d0a6664c4198f65 (diff) | |
* include/winsock2.h (struct sockaddr_storage): Use RFC 2553
names for padding size constants.
Diffstat (limited to 'winsup/w32api/include')
| -rw-r--r-- | winsup/w32api/include/winsock2.h | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/winsup/w32api/include/winsock2.h b/winsup/w32api/include/winsock2.h index 2bc8689ce..d90a7a595 100644 --- a/winsup/w32api/include/winsock2.h +++ b/winsup/w32api/include/winsock2.h @@ -330,14 +330,26 @@ struct sockaddr { char sa_data[14]; }; -/* Portable IPv6/IPv4 version of sockaddr. - Uses padding to force 8 byte alignment - and maximum size of 128 bytes */ +/* Portable IPv6/IPv4 version of sockaddr. Based on RFC 2553. + Pad to force 8 byte alignment and maximum size of 128 bytes. */ + +/* + * Desired design of maximum size and alignment + */ +#define _SS_MAXSIZE 128 +#define _SS_ALIGNSIZE (sizeof (__int64)) +/* + * Definitions used for sockaddr_storage structure paddings design. + */ +#define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof (short)) +#define _SS_PAD2SIZE (_SS_MAXSIZE - (sizeof (short) \ + + _SS_PAD1SIZE \ + + _SS_ALIGNSIZE)) struct sockaddr_storage { short ss_family; - char __ss_pad1[6]; /* pad to 8 */ - __int64 __ss_align; /* force alignment */ - char __ss_pad2[112]; /* pad to 128 */ + char __ss_pad1[_SS_PAD1SIZE]; /* pad to 8 */ + __int64 __ss_align; /* force alignment */ + char __ss_pad2[_SS_PAD2SIZE]; /* pad to 128 */ }; #endif /* ! (__INSIDE_CYGWIN__ || __INSIDE_MSYS__) */ |