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CMSG_DATA should return an unsigned char*.

Browse Source 
http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sys_socket.h.html
> CMSG_DATA(cmsg)
>    If the argument is a pointer to a cmsghdr structure, this macro
>    shall return an unsigned character pointer to the data array
>    associated with the cmsghdr structure.

Change-Id: I3f89ba19cbca4e6727abc65a2bbcd59267892ba8
This commit is contained in:
Dan Albert
2015-09-11 09:47:27 -07:00
parent 1c7b84ca00
commit 268af26359
1 changed files with 1 additions and 1 deletions
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2
libc/include/sys/socket.h
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@@ -109,7 +109,7 @@ struct cmsghdr {
#define CMSG_NXTHDR(mhdr, cmsg) __cmsg_nxthdr((mhdr), (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_DATA(cmsg) (((unsigned 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(msg) \