[mirror_ubuntu-bionic-kernel.git] / include / uapi / linux / socket.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI_LINUX_SOCKET_H
#define _UAPI_LINUX_SOCKET_H

/*
 * 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;

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)];
				/* space to achieve desired size, */
				/* _SS_MAXSIZE value minus size of ss_family */
} __attribute__ ((aligned(_K_SS_ALIGNSIZE)));	/* force desired alignment */

#endif /* _UAPI_LINUX_SOCKET_H */
Commit	Line	Data
6f52b16c	1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
607ca46e DH	2	#ifndef _UAPI_LINUX_SOCKET_H
	3	#define _UAPI_LINUX_SOCKET_H
	4
	5	/*
	6	* Desired design of maximum size and alignment (see RFC2553)
	7	*/
	8	#define _K_SS_MAXSIZE 128 /* Implementation specific max size */
	9	#define _K_SS_ALIGNSIZE (__alignof__ (struct sockaddr *))
	10	/* Implementation specific desired alignment */
	11
	12	typedef unsigned short __kernel_sa_family_t;
	13
	14	struct __kernel_sockaddr_storage {
	15	__kernel_sa_family_t ss_family; /* address family */
	16	/* Following field(s) are implementation specific */
	17	char __data[_K_SS_MAXSIZE - sizeof(unsigned short)];
	18	/* space to achieve desired size, */
	19	/* _SS_MAXSIZE value minus size of ss_family */
	20	} __attribute__ ((aligned(_K_SS_ALIGNSIZE))); /* force desired alignment */
	21
	22	#endif /* _UAPI_LINUX_SOCKET_H */