transport.hxx

最新的linux下dvd刻录软件,支持DVD+RW、DVD-RW光盘刻录。

//
// This is part of dvd+rw-tools by Andy Polyakov <[e-mail]>
//
// Use-it-on-your-own-risk, GPL bless...
//
// For further details see http://fy.chalmers.se/~appro/linux/DVD+RW/
//

#if defined(__unix) || defined(__unix__)
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <poll.h>
#include <sys/time.h>

inline long getmsecs()
{ struct timeval tv;
    gettimeofday (&tv,NULL);
  return tv.tv_sec*1000+tv.tv_usec/1000;
}

#include <errno.h>

#ifndef EMEDIUMTYPE
#define EMEDIUMTYPE	EINVAL
#endif
#ifndef	ENOMEDIUM
#define	ENOMEDIUM	ENODEV
#endif

#include <locale.h>
#define ENV_LOCALE	""

#elif defined(_WIN32)
#include <windows.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#define ssize_t		LONG_PTR
#define off64_t		__int64

#include "win32err.h"

#define poll(a,b,t)	Sleep(t)
#define getmsecs()	GetTickCount()

#include <locale.h>
#define ENV_LOCALE	".OCP"
#endif

#define CREAM_ON_ERRNO_NAKED(s)				\
    switch ((s)[12])					\
    {	case 0x04:	errno=EAGAIN;	break;		\
	case 0x20:	errno=ENODEV;	break;		\
	case 0x21:	if ((s)[13]==0)	errno=ENOSPC;	\
			else		errno=EINVAL;	\
			break;				\
	case 0x30:	errno=EMEDIUMTYPE;	break;	\
	case 0x3A:	errno=ENOMEDIUM;	break;	\
    }
#define CREAM_ON_ERRNO(s)	do { CREAM_ON_ERRNO_NAKED(s) } while(0)

#ifndef FATAL_START
#define	FATAL_START(er)	(0x80|(er))
#endif
#define ERRCODE(s)	((((s)[2]&0x0F)<<16)|((s)[12]<<8)|((s)[13]))
#define	SK(errcode)	(((errcode)>>16)&0xF)
#define	ASC(errcode)	(((errcode)>>8)&0xFF)
#define ASCQ(errcode)	((errcode)&0xFF)

static void sperror (const char *cmd,int err)
{ int saved_errno=errno;

    if (err==-1)
	fprintf (stderr,":-( unable to %s: ",cmd);
    else
	fprintf (stderr,":-[ %s failed with SK=%Xh/ASC=%02Xh/ACQ=%02Xh]: ",
			cmd,SK(err),ASC(err),ASCQ(err));
    errno=saved_errno, perror (NULL);
}

static void sperror (const char *cmd,unsigned char *sense)
{ int saved_errno=errno;
  int err=ERRCODE(sense);

    if (err==0)
	fprintf (stderr,":-( unable to %s: ",cmd);
    else
    {	if ((err==0x20407 || err==0x20408) && sense[15]&0x80)
	    fprintf (stderr,":-[ %s failed with SK=%Xh/ASC=%02Xh/ACQ=%02Xh@%.1f%%]: ",
			cmd,SK(err),ASC(err),ASCQ(err),
			100.0*(sense[16]<<8|sense[17])/65536.0);
    	else
	    fprintf (stderr,":-[ %s failed with SK=%Xh/ASC=%02Xh/ACQ=%02Xh]: ",
			cmd,SK(err),ASC(err),ASCQ(err));
    }
    errno=saved_errno, perror (NULL);
}

class autofree {
    private:
	unsigned char *ptr;
    public:
	autofree()			{ ptr=NULL; }
	~autofree()			{ if (ptr) free(ptr); }
	unsigned char *operator=(unsigned char *str)
					{ return ptr=str; }
	operator unsigned char *()	{ return ptr; }
};

extern "C" char *plusminus_locale()
{ static class __plusminus {
    private:
	char str[4];
    public:
	__plusminus()	{   setlocale(LC_CTYPE,ENV_LOCALE);
			    int l = wctomb(str,(wchar_t)(unsigned char)'