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uapi: update socket.h 

Upstream change to resolve gcc-9 issues.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
This commit is contained in:
Stephen Hemminger 2019-08-12 10:58:49 -07:00
parent 395370035e
commit 42a66ee5f3
1 changed files with 13 additions and 6 deletions
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19
include/uapi/linux/socket.h
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@ -6,17 +6,24 @@
* Desired design of maximum size and alignment (see RFC2553)
*/
#define _K_SS_MAXSIZE 128 /* Implementation specific max size */
#define _K_SS_ALIGNSIZE (__alignof__ (struct sockaddr *))
/* Implementation specific desired alignment */
typedef unsigned short __kernel_sa_family_t;
/*
* The definition uses anonymous union and struct in order to control the
* default alignment.
*/
struct __kernel_sockaddr_storage {
__kernel_sa_family_t ss_family; /* address family */
/* Following field(s) are implementation specific */
char __data[_K_SS_MAXSIZE - sizeof(unsigned short)];
union {
struct {
__kernel_sa_family_t ss_family; /* address family */
/* Following field(s) are implementation specific */
char __data[_K_SS_MAXSIZE - sizeof(unsigned short)];
/* space to achieve desired size, */
/* _SS_MAXSIZE value minus size of ss_family */
} __attribute__ ((aligned(_K_SS_ALIGNSIZE))); /* force desired alignment */
};
void *__align; /* implementation specific desired alignment */
};
};
#endif /* _LINUX_SOCKET_H */