/* * *  C++ Portable Types Library (PTypes) *  Version 1.7.5   Released 9-Mar-2003 * *  Copyright (c) 2001, 2002, 2003 Hovik Melikyan * *  http://www.melikyan.com/ptypes/ *  http://ptypes.sourceforge.net/ * */#include "errno.h"#ifdef WIN32#  include <windows.h>#else#  include <fcntl.h>#  include <unistd.h>#endif#include "pstreams.h"PTYPES_BEGINoutfile::outfile()    : outstm(), filename(), syshandle(invhandle), peerhandle(invhandle),      umode(0644), append(false)  {}outfile::outfile(const char* ifn, bool iappend)    : outstm(), filename(ifn), syshandle(invhandle), peerhandle(invhandle),      umode(0644), append(iappend)  {}outfile::outfile(string const& ifn, bool iappend)    : outstm(), filename(ifn), syshandle(invhandle), peerhandle(invhandle),      umode(0644), append(iappend)  {}outfile::~outfile() {    close();}int outfile::classid(){    return CLASS_OUTFILE;}string outfile::get_streamname() {    return filename;}void outfile::doopen() {    if (syshandle != invhandle)        handle = syshandle;    else    {#ifdef WIN32        SECURITY_ATTRIBUTES sa;        sa.nLength = sizeof(SECURITY_ATTRIBUTES);        sa.lpSecurityDescriptor = NULL;        sa.bInheritHandle = TRUE;        handle = int(CreateFile(filename, GENERIC_WRITE,            FILE_SHARE_READ | FILE_SHARE_WRITE, &sa,             (append ? OPEN_ALWAYS : CREATE_ALWAYS), 0, 0));#else        handle = ::open(filename,             O_WRONLY | O_CREAT | (append ? 0 : O_TRUNC), umode);#endif        if (handle == invhandle)            error(uerrno(), "Couldn't open");        if (append)            if (doseek(0, IO_END) == -1)                error(uerrno(), "Couldn't seek to end of file");    }}void outfile::flush(){    outstm::flush();#ifdef WIN32    FlushFileBuffers(HANDLE(handle));#endif}void outfile::doclose(){    outstm::doclose();    syshandle = invhandle;    peerhandle = invhandle;}PTYPES_END