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Clean up CMSG_*HDR in <sys/socket.h>

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Removed __CMSG_NXTHDR, __CMSG_FIRSTHDR and cmsg_nxthdr.

Bug: 13418328
Change-Id: I6b1ed58b41b3f37d41e070c4f222b5bfa512bc48
This commit is contained in:
Calin Juravle 2014-03-19 17:40:23 +00:00
parent 849e162d3b
commit f1de90b3a2
1 changed files with 4 additions and 8 deletions
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12
libc/include/sys/socket.h
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@ -107,14 +107,14 @@ struct cmsghdr {
int cmsg_type;
};
#define __CMSG_NXTHDR(ctl, len, cmsg) __cmsg_nxthdr((ctl),(len),(cmsg))
#define CMSG_NXTHDR(mhdr, cmsg) cmsg_nxthdr((mhdr), (cmsg))
#define CMSG_NXTHDR(mhdr, cmsg) __cmsg_nxthdr((mhdr)->msg_control, (mhdr)->msg_controllen, (cmsg))
#define CMSG_ALIGN(len) ( ((len)+sizeof(long)-1) & ~(sizeof(long)-1) )
#define CMSG_DATA(cmsg) ((void*)((char*)(cmsg) + CMSG_ALIGN(sizeof(struct cmsghdr))))
#define CMSG_SPACE(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(len))
#define CMSG_LEN(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
#define __CMSG_FIRSTHDR(ctl,len) ((len) >= sizeof(struct cmsghdr) ? (struct cmsghdr*)(ctl) : (struct cmsghdr*)NULL)
#define CMSG_FIRSTHDR(msg) __CMSG_FIRSTHDR((msg)->msg_control, (msg)->msg_controllen)
#define CMSG_FIRSTHDR(msg) \
((msg)->msg_controllen >= sizeof(struct cmsghdr) \
? (struct cmsghdr*) (msg)->msg_control : (struct cmsghdr*) NULL)
#define CMSG_OK(mhdr, cmsg) ((cmsg)->cmsg_len >= sizeof(struct cmsghdr) && (cmsg)->cmsg_len <= (unsigned long) ((mhdr)->msg_controllen - ((char*)(cmsg) - (char*)(mhdr)->msg_control)))
#ifdef __GNUC__
@ -134,10 +134,6 @@ __KINLINE struct cmsghdr* __cmsg_nxthdr(void* __ctl, size_t __size, struct cmsgh
return __ptr;
}
__KINLINE struct cmsghdr* cmsg_nxthdr (struct msghdr* __msg, struct cmsghdr* __cmsg) {
return __cmsg_nxthdr(__msg->msg_control, __msg->msg_controllen, __cmsg);
}
#define SCM_RIGHTS 0x01
#define SCM_CREDENTIALS 0x02
#define SCM_SECURITY 0x03