#include <u.h>#include <mingw32.h>#include <mingwutil.h>#include <libc.h> #include <dirent.h>#include "util.h"#include "fdtab.h" intopen(char *name, int mode){	char buf[MAX_PATH];	WCHAR	*wname;	Fd	*f;	int fd, rdwr;	DWORD	da, share, flags, dis, attr, cmode;	HANDLE	h; 	da = 0;	rdwr = mode&3;	switch (rdwr) {	case OREAD:		da |= GENERIC_READ;		break;	case ORDWR:		da |= GENERIC_READ;	case OWRITE:		da |= GENERIC_WRITE;	}	mode &= ~(3|OCEXEC|OLOCK);	dis = OPEN_EXISTING;	share = FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE;	flags = 0;	if(mode&OTRUNC){		dis = TRUNCATE_EXISTING;		mode ^= OTRUNC;	}	if(mode&OAPPEND){		da = FILE_APPEND_DATA;		mode ^= OAPPEND;	}	if(mode&ODIRECT){		flags |= FILE_FLAG_WRITE_THROUGH;		mode ^= ODIRECT;	}	if(mode&ORCLOSE){		flags |= FILE_FLAG_DELETE_ON_CLOSE;		mode ^= ORCLOSE;	}	if(mode){		werrstr("mode 0x%x not supported", mode);		return -1;	} 	if (!strcmp(name, "/dev/stdin"))		return dup(0, -1);	if (!strcmp(name, "/dev/fd/0"))		return dup(0, -1);	name = winadjustcons(name, rdwr, &da);	if (name==nil)		return -1; 	if (!strcmp(name, "."))		name = getwd(buf, sizeof buf); 	fd = fdtalloc(nil);	f = fdtab[fd];	f->name = winpathdup(name); 	if (!strcmp("/dev/null", name)) {		f->type = Fdtypedevnull;		return fd;	} 	if(strncmp(f->name, "//./pipe", 8)==0){		f->type = Fdtypepipecl;		flags = FILE_FLAG_OVERLAPPED;	}else{		wname = winutf2wpath(f->name);		attr = GetFileAttributesW(wname);		if (attr!=INVALID_FILE_ATTRIBUTES)		if (attr & FILE_ATTRIBUTE_DIRECTORY) {			f->dir = _wopendir(wname);			free(wname);			if (f->dir==nil) {				werrstr("could not open directory: %s", name);				goto failed;			}			f->type = Fdtypedir;			return fd;		}/* else		  * f->type is still unset		  */ 		free(wname);	} 	if (flags==0)		flags = FILE_ATTRIBUTE_NORMAL;	h = wincreatefile(f->name, da, share, dis, flags);	if (h==INVALID_HANDLE_VALUE) {		winerror(nil);	failed:		if (fdtdebug>1)			fprint(2, "open %s failed: %r\n", name);		fdtclose(fd, 1);		return -1;	} 	if (GetConsoleMode(h, &cmode))		f->type = Fdtypecons;	else if(!f->type)		f->type = Fdtypefile;	f->h = h; 	if (fdtdebug>1)		fprint(2, "%\f h:%p da:%08x\n", fd, f, "open", h, da); 	return fd;}