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#ifndef SOCKET32_H

#define SOCKET32_H 1

/* XXX This really belongs in some header file... -DaveM */

#define MAX_SOCK_ADDR   128             /* 108 for Unix domain - 

                                           16 for IP, 16 for IPX,

                                           24 for IPv6,

                                           about 80 for AX.25 */

extern struct socket *sockfd_lookup(int fd, int *err);

/* XXX This as well... */

extern __inline__ void sockfd_put(struct socket *sock)

{

        fput(sock->file);

}

struct msghdr32 {

        u32               msg_name;

        int               msg_namelen;

        u32               msg_iov;

        __kernel_size_t32 msg_iovlen;

        u32               msg_control;

        __kernel_size_t32 msg_controllen;

        unsigned          msg_flags;

};

struct cmsghdr32 {

        __kernel_size_t32 cmsg_len;

        int               cmsg_level;

        int               cmsg_type;

};

/* Bleech... */

#define __CMSG32_NXTHDR(ctl, len, cmsg, cmsglen) __cmsg32_nxthdr((ctl),(len),(cmsg),(cmsglen))

#define CMSG32_NXTHDR(mhdr, cmsg, cmsglen) cmsg32_nxthdr((mhdr), (cmsg), (cmsglen))

#define CMSG32_ALIGN(len) ( ((len)+sizeof(int)-1) & ~(sizeof(int)-1) )

#define CMSG32_DATA(cmsg)       ((void *)((char *)(cmsg) + CMSG32_ALIGN(sizeof(struct cmsghdr32))))

#define CMSG32_SPACE(len) (CMSG32_ALIGN(sizeof(struct cmsghdr32)) + CMSG32_ALIGN(len))

#define CMSG32_LEN(len) (CMSG32_ALIGN(sizeof(struct cmsghdr32)) + (len))

#define __CMSG32_FIRSTHDR(ctl,len) ((len) >= sizeof(struct cmsghdr32) ? \

                                    (struct cmsghdr32 *)(ctl) : \

                                    (struct cmsghdr32 *)NULL)

#define CMSG32_FIRSTHDR(msg)    __CMSG32_FIRSTHDR((msg)->msg_control, (msg)->msg_controllen)

__inline__ struct cmsghdr32 *__cmsg32_nxthdr(void *__ctl, __kernel_size_t __size,

                                              struct cmsghdr32 *__cmsg, int __cmsg_len)

{

        struct cmsghdr32 * __ptr;

        __ptr = (struct cmsghdr32 *)(((unsigned char *) __cmsg) +

                                     CMSG32_ALIGN(__cmsg_len));

        if ((unsigned long)((char*)(__ptr+1) - (char *) __ctl) > __size)

                return NULL;

        return __ptr;

}

__inline__ struct cmsghdr32 *cmsg32_nxthdr (struct msghdr *__msg,

                                            struct cmsghdr32 *__cmsg,

                                            int __cmsg_len)

{

        return __cmsg32_nxthdr(__msg->msg_control, __msg->msg_controllen,

                               __cmsg, __cmsg_len);

}

#endif