+++ /dev/null
-#ifndef foowincompatfoo
-#define foowincompatfoo
-
-// This file and its companion wincompat.c provide some Posix interfaces to
-// Windows APIs so the rest of the code can keep using them.
-
-
-// require at least Windows Vista
-#undef WINVER
-#undef _WIN32_WINNT
-#define WINVER 0x0600
-#define _WIN32_WINNT WINVER
-
-#include <winsock2.h>
-#include <ws2tcpip.h>
-#include <mswsock.h>
-#include <sys/types.h>
-
-
-// wrappers around WSAStartup/WSACleanup to avoid clutter
-void winsock_init(void);
-void winsock_exit(void);
-
-
-// the equivalent of strerror(errno) for Windows sockets
-char *errnostrsocket(void);
-
-
-// Winsock doesn't have recvmsg/sendmsg but offers the same functionality
-// with WSARecvMsg/WSASendMsg, so we implement the former in terms of the
-// latter.
-
-struct iovec { /* Scatter/gather array items */
- void *iov_base; /* Starting address */
- size_t iov_len; /* Number of bytes to transfer */
-};
-
-struct msghdr {
- void *msg_name; /* optional address */
- socklen_t msg_namelen; /* size of address */
- struct iovec *msg_iov; /* scatter/gather array */
- size_t msg_iovlen; /* # elements in msg_iov */
- void *msg_control; /* ancillary data, see below */
- size_t msg_controllen; /* ancillary data buffer len */
- int msg_flags; /* flags on received message */
-};
-
-// MSDN says this struct is called wsacmsghdr but MingW uses _WSACMSGHDR.
-// TODO: Verify what it is on actual Windows.
-// cf. http://msdn.microsoft.com/en-us/library/ms741645(v=vs.85).aspx
-// -->
-// MingW32 x86 4.8.1 uses wsacmsghdr, MingW x86_x64 uses _WSACMSGHDR and Visual Studio 2015 RC (ws2def.h) defines:
-// #if(_WIN32_WINNT >= 0x0600)
-// #define _WSACMSGHDR cmsghdr
-// #endif //(_WIN32_WINNT>=0x0600)
-// typedef struct _WSACMSGHDR {
-// SIZE_T cmsg_len;
-// INT cmsg_level;
-// INT cmsg_type;
-// /* followed by UCHAR cmsg_data[] */
-// } WSACMSGHDR, *PWSACMSGHDR, FAR *LPWSACMSGHDR;
-#ifdef __MINGW32__
- #ifdef __MINGW64_VERSION_MAJOR
- #define cmsghdr _WSACMSGHDR // as in 'struct cmsghdr'
- #else
- #define cmsghdr wsacmsghdr // as in 'struct cmsghdr'
- #endif
-#elif (_WIN32_WINNT < 0x0600)
- #define cmsghdr _WSACMSGHDR
-#endif
-
-// VS2015 ws2def.h already defines: #define CMSG_FIRSTHDR WSA_CMSG_FIRSTHDR
-#ifdef CMSG_FIRSTHDR
-#undef CMSG_FIRSTHDR
-#endif
-static inline struct cmsghdr *CMSG_FIRSTHDR(struct msghdr *m) {
- WSAMSG wm;
- wm.Control.len = m->msg_controllen;
- wm.Control.buf = (char*)m->msg_control;
- return WSA_CMSG_FIRSTHDR(&wm);
-}
-
-// VS2015 ws2def.h already defines: #define CMSG_NXTHDR WSA_CMSG_NXTHDR
-#ifdef CMSG_NXTHDR
-#undef CMSG_NXTHDR
-#endif
-static inline struct cmsghdr *CMSG_NXTHDR(struct msghdr *m, struct cmsghdr *c) {
- WSAMSG wm;
- wm.Control.len = m->msg_controllen;
- wm.Control.buf = (char*)m->msg_control;
- return WSA_CMSG_NXTHDR(&wm, c);
-}
-
-#ifndef CMSG_SPACE
- #define CMSG_SPACE(len) WSA_CMSG_SPACE(len)
-#endif
-#ifndef CMSG_LEN
- #define CMSG_LEN(len) WSA_CMSG_LEN(len)
-#endif
-
-// we're going to be naughty and redefine CMSG_DATA as an alias even though it
-// is also a constant defined in wincrypt.h which we don't care about.
-#undef CMSG_DATA
-#define CMSG_DATA(c) WSA_CMSG_DATA(c)
-
-#ifdef _MSC_VER
- // VS2012 and up has no ssize_t defined, before it was defined as unsigned int
- #ifndef _SSIZE_T
- #define _SSIZE_T
- typedef signed int ssize_t;
- #endif
-#endif
-
-ssize_t recvmsg(int sockfd, struct msghdr *msg, int flags);
-ssize_t sendmsg(int sockfd, const struct msghdr *msg, int flags);
-
-// ESHUTDOWN does not seem to exist on Windows, even though WSAESHUTDOWN does.
-// MingW doesn't define it and MSDN doesn't list it, so we alias it to EBADF.
-// cf. http://msdn.microsoft.com/en-us/library/5814770t.aspx
-#ifndef ESHUTDOWN
-#define ESHUTDOWN EBADF
-#endif
-
-
-// Windows doesn't have ioctl but offers ioctlsocket for some socket-related
-// functions. Unfortunately, argument types differ, so we implement a
-// (restricted) wrapper.
-int ioctl(int d, unsigned long request, int *p);
-
-
-// Windows lacks poll, but WSAPoll is good enough for us.
-#define poll(fds, nfds, timeout) WSAPoll(fds, nfds, timeout)
-
-// Windows lacks pipe. It has an equivalent CreatePipe but we really need
-// something to give to WSAPoll, so we fake it with a local TCP socket. (ugh)
-int pipe(int pipefd[2]);
-
-// pipe(socket)-specific read/write/close equivalents
-#define closepipe closesocket
-#define writepipe(s,buf,len) send(s, buf, len, 0)
-#define readpipe(s,buf,len) recv(s, buf, len, 0)
-
-
-// Windows logically doesn't have uname, so we supply a replacement.
-
-struct utsname {
- char sysname[9]; /* Operating system name (e.g., "Linux") */
- char nodename[MAX_COMPUTERNAME_LENGTH+1];
- /* Name within "some implementation-defined network" */
- char release[9]; /* Operating system release (e.g., "2.6.28") */
- char version[9]; /* Operating system version */
- char machine[9]; /* Hardware identifier */
-};
-
-int uname(struct utsname *buf);
-
-
-#endif
projects / catta / blobdiff