headers: Add WSACMSGHDR related symbols in mswsock.h
Required for https://github.com/facebook/folly/blob/v2025.05.26.00/folly/io/async/AsyncUDPSocket.cpp#L67
Signed-off-by: Biswapriyo Nath <nathbappai@gmail.com>
Signed-off-by: LIU Hao <lh_mouse@126.com>
diff --git a/mingw-w64-headers/include/mswsock.h b/mingw-w64-headers/include/mswsock.h
index 2efdf14..c953271 100644
--- a/mingw-w64-headers/include/mswsock.h
+++ b/mingw-w64-headers/include/mswsock.h
@@ -167,12 +167,20 @@
} data;
} NLA_BLOB,*PNLA_BLOB,*LPNLA_BLOB;
+#if (_WIN32_WINNT >= 0x0600)
+#define _WSACMSGHDR cmsghdr
+#endif
+
typedef struct _WSACMSGHDR {
SIZE_T cmsg_len;
INT cmsg_level;
INT cmsg_type;
} WSACMSGHDR,*PWSACMSGHDR,*LPWSACMSGHDR;
+#if (_WIN32_WINNT >= 0x0600)
+typedef WSACMSGHDR CMSGHDR, *PCMSGHDR;
+#endif
+
#define WSA_CMSGHDR_ALIGN(length) (((length) + TYPE_ALIGNMENT(WSACMSGHDR)-1) & (~(TYPE_ALIGNMENT(WSACMSGHDR)-1)))
#define WSA_CMSGDATA_ALIGN(length) (((length) + MAX_NATURAL_ALIGNMENT-1) & (~(MAX_NATURAL_ALIGNMENT-1)))
#define WSA_CMSG_FIRSTHDR(msg) (((msg)->Control.len >= sizeof(WSACMSGHDR)) ? (LPWSACMSGHDR)(msg)->Control.buf : (LPWSACMSGHDR)NULL)
@@ -181,6 +189,15 @@
#define WSA_CMSG_SPACE(length) (WSA_CMSGDATA_ALIGN(sizeof(WSACMSGHDR) + WSA_CMSGHDR_ALIGN(length)))
#define WSA_CMSG_LEN(length) (WSA_CMSGDATA_ALIGN(sizeof(WSACMSGHDR)) + length)
+#if (_WIN32_WINNT >= 0x0600)
+#define CMSGHDR_ALIGN WSA_CMSGHDR_ALIGN
+#define CMSGDATA_ALIGN WSA_CMSGDATA_ALIGN
+#define CMSG_FIRSTHDR WSA_CMSG_FIRSTHDR
+#define CMSG_NXTHDR WSA_CMSG_NXTHDR
+#define CMSG_SPACE WSA_CMSG_SPACE
+#define CMSG_LEN WSA_CMSG_LEN
+#endif
+
#define MSG_TRUNC 0x0100
#define MSG_CTRUNC 0x0200
#define MSG_BCAST 0x0400
