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added definitions to /sys/socket.h

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This commit is contained in:
Daniil Vinogradov 2023-03-08 14:57:38 +01:00
parent 8d9959010f
commit 1c1aaf6223
1 changed files with 24 additions and 0 deletions
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24
nx/external/bsd/include/sys/socket.h vendored
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@ -440,6 +440,30 @@ struct cmsghdr {
// socket credential stuff, we don't need this // socket credential stuff, we don't need this
// cmsg macros, uses some obscure macro // cmsg macros, uses some obscure macro
#define __ALIGNBYTES32 (sizeof(__uint32_t) - 1)
#define __ALIGN32(p) ((__size_t)((char *)(__size_t)(p) + __ALIGNBYTES32) &~ __ALIGNBYTES32)
/*
* RFC 2292 requires to check msg_controllen, in case that the kernel returns
* an empty list for some reasons.
*/
#define CMSG_FIRSTHDR(mhdr) \
((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
(struct cmsghdr *)(mhdr)->msg_control : \
(struct cmsghdr *)NULL)
/*
* Given pointer to struct cmsghdr, return pointer to next cmsghdr
* RFC 2292 says that CMSG_NXTHDR(mhdr, NULL) is equivalent to CMSG_FIRSTHDR(mhdr)
*/
#define CMSG_NXTHDR(mhdr, cmsg) \
(((char *)(cmsg) + __ALIGN32((cmsg)->cmsg_len) + \
__ALIGN32(sizeof(struct cmsghdr)) > \
((char *)(mhdr)->msg_control) + (mhdr)->msg_controllen) ? \
(struct cmsghdr *)NULL : \
(struct cmsghdr *)((char *)(cmsg) + __ALIGN32((cmsg)->cmsg_len)))
/* "Socket"-level control message types: */ /* "Socket"-level control message types: */
#define SCM_RIGHTS 0x01 /* access rights (array of int) */ #define SCM_RIGHTS 0x01 /* access rights (array of int) */
#if __BSD_VISIBLE #if __BSD_VISIBLE