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LibC: Add CMSG_* definitions to sys/socket.h

This commit is contained in:
Bananymous 2025-06-02 11:34:56 +03:00
parent 2ee8b6c8b4
commit 895909b7fa
1 changed files with 24 additions and 7 deletions
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31
userspace/libraries/LibC/include/sys/socket.h
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@ -50,16 +50,33 @@ struct cmsghdr
socklen_t cmsg_len; /* Data byte count, including the cmsghdr. */
int cmsg_level; /* Originating protocol. */
int cmsg_type; /* Protocol-specific type. */
unsigned char __cmg_data[];
};
// FIXME
#if 0
#define SCM_RIGHTS
#define SCM_RIGHTS 1
#define CMSG_DATA(cmsg)
#define CMSG_NXTHDR(mhdr, cmsg)
#define CMSG_FIRSTHDR(mhdr)
#endif
#define CMSG_DATA(cmsg) ((cmsg)->__cmg_data)
#define __CMSG_NXTHDR_ADDR(cmsg) \
((unsigned char*)(cmsg) + (cmsg)->cmsg_len)
#define __CMSG_NXTHDR_OFFSET(mhdr, cmsg) \
(__CMSG_NXTHDR_ADDR(cmsg) - (unsigned char*)(mhdr)->msg_control)
#define CMSG_NXTHDR(mhdr, cmsg) \
((size_t)(mhdr)->msg_controllen \
>= __CMSG_NXTHDR_OFFSET(mhdr, cmsg) + sizeof(struct cmsghdr) \
? (struct cmsghdr*)__CMSG_NXTHDR_ADDR(cmsg) \
: (struct cmsghdr*)0)
#define CMSG_FIRSTHDR(mhdr) \
((size_t)(mhdr)->msg_controllen >= sizeof(struct cmsghdr) \
? (struct cmsghdr*)((mhdr)->msg_control) \
: (struct cmsghdr*)0)
#define CMSG_SPACE(length) \
(socklen_t)((length) + sizeof(struct cmsghdr))
#define CMSG_LEN(length) \
(socklen_t)((length) + sizeof(struct cmsghdr))
struct linger
{