[thirdparty/cups.git] / backend / usb.c

/*
 * "$Id: usb.c,v 1.18.2.12 2002/08/09 00:08:49 mike Exp $"
 *
 *   USB port backend for the Common UNIX Printing System (CUPS).
 *
 *   Copyright 1997-2002 by Easy Software Products, all rights reserved.
 *
 *   These coded instructions, statements, and computer programs are the
 *   property of Easy Software Products and are protected by Federal
 *   copyright law.  Distribution and use rights are outlined in the file
 *   "LICENSE" which should have been included with this file.  If this
 *   file is missing or damaged please contact Easy Software Products
 *   at:
 *
 *       Attn: CUPS Licensing Information
 *       Easy Software Products
 *       44141 Airport View Drive, Suite 204
 *       Hollywood, Maryland 20636-3111 USA
 *
 *       Voice: (301) 373-9603
 *       EMail: cups-info@cups.org
 *         WWW: http://www.cups.org
 *
 *   This file is subject to the Apple OS-Developed Software exception.
 *
 * Contents:
 *
 *   main()         - Send a file to the specified USB port.
 *   list_devices() - List all USB devices.
 */

/*
 * Include necessary headers.
 */

#include <cups/cups.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <cups/string.h>
#include <signal.h>

#ifdef WIN32
#  include <io.h>
#else
#  include <unistd.h>
#  include <fcntl.h>
#  include <termios.h>
#endif /* WIN32 */


/*
 * Local functions...
 */

void	list_devices(void);


/*
 * 'main()' - Send a file to the specified USB port.
 *
 * Usage:
 *
 *    printer-uri job-id user title copies options [file]
 */

int			/* O - Exit status */
main(int  argc,		/* I - Number of command-line arguments (6 or 7) */
     char *argv[])	/* I - Command-line arguments */
{
  char		method[255],	/* Method in URI */
		hostname[1024],	/* Hostname */
		username[255],	/* Username info (not used) */
		resource[1024],	/* Resource info (device and options) */
		*options;	/* Pointer to options */
  int		port;		/* Port number (not used) */
  int		fp;		/* Print file */
  int		copies;		/* Number of copies to print */
  int		fd;		/* Parallel device */
  int		wbytes;		/* Number of bytes written */
  size_t	nbytes,		/* Number of bytes read */
		tbytes;		/* Total number of bytes written */
  char		buffer[8192],	/* Output buffer */
		*bufptr;	/* Pointer into buffer */
  struct termios opts;		/* Parallel port options */
#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
  struct sigaction action;	/* Actions for POSIX signals */
#endif /* HAVE_SIGACTION && !HAVE_SIGSET */


 /*
  * Make sure status messages are not buffered...
  */

  setbuf(stderr, NULL);

 /*
  * Check command-line...
  */

  if (argc == 1)
  {
    list_devices();
    return (0);
  }
  else if (argc < 6 || argc > 7)
  {
    fputs("Usage: USB job-id user title copies options [file]\n", stderr);
    return (1);
  }

 /*
  * If we have 7 arguments, print the file named on the command-line.
  * Otherwise, send stdin instead...
  */

  if (argc == 6)
  {
    fp     = 0;
    copies = 1;
  }
  else
  {
   /*
    * Try to open the print file...
    */

    if ((fp = open(argv[6], O_RDONLY)) < 0)
    {
      perror("ERROR: unable to open print file");
      return (1);
    }

    copies = atoi(argv[4]);
  }

 /*
  * Extract the device name and options from the URI...
  */

  httpSeparate(argv[0], method, username, hostname, &port, resource);

 /*
  * See if there are any options...
  */

  if ((options = strchr(resource, '?')) != NULL)
  {
   /*
    * Yup, terminate the device name string and move to the first
    * character of the options...
    */

    *options++ = '\0';
  }

 /*
  * Open the USB port device...
  */

  do
  {
    if ((fd = open(resource, O_WRONLY | O_EXCL)) == -1)
    {
      if (errno == EBUSY)
      {
        fputs("INFO: USB port busy; will retry in 30 seconds...\n", stderr);
	sleep(30);
      }
      else if (errno == ENXIO || errno == EIO || errno == ENOENT)
      {
        fputs("INFO: Printer not connected; will retry in 30 seconds...\n", stderr);
	sleep(30);
      }
      else
      {
	fprintf(stderr, "ERROR: Unable to open USB port device file \"%s\": %s\n",
	        resource, strerror(errno));
	return (1);
      }
    }
  }
  while (fd < 0);

 /*
  * Set any options provided...
  */

  tcgetattr(fd, &opts);

  opts.c_lflag &= ~(ICANON | ECHO | ISIG);	/* Raw mode */

  /**** No options supported yet ****/

  tcsetattr(fd, TCSANOW, &opts);

 /*
  * Now that we are "connected" to the port, ignore SIGTERM so that we
  * can finish out any page data the driver sends (e.g. to eject the
  * current page...
  */

#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
  sigset(SIGTERM, SIG_IGN);
#elif defined(HAVE_SIGACTION)
  memset(&action, 0, sizeof(action));

  sigemptyset(&action.sa_mask);
  action.sa_handler = SIG_IGN;
  sigaction(SIGTERM, &action, NULL);
#else
  signal(SIGTERM, SIG_IGN);
#endif /* HAVE_SIGSET */

 /*
  * Finally, send the print file...
  */

  while (copies > 0)
  {
    copies --;

    if (fp != 0)
    {
      fputs("PAGE: 1 1\n", stderr);
      lseek(fp, 0, SEEK_SET);
    }

    tbytes = 0;
    while ((nbytes = read(fp, buffer, sizeof(buffer))) > 0)
    {
     /*
      * Write the print data to the printer...
      */

      tbytes += nbytes;
      bufptr = buffer;

      while (nbytes > 0)
      {
	if ((wbytes = write(fd, bufptr, nbytes)) < 0)
	  if (errno == ENOTTY)
	    wbytes = write(fd, bufptr, nbytes);

	if (wbytes < 0)
	{
	  perror("ERROR: Unable to send print file to printer");
	  break;
	}

	nbytes -= wbytes;
	bufptr += wbytes;
      }

      if (argc > 6)
	fprintf(stderr, "INFO: Sending print file, %lu bytes...\n",
	        (unsigned long)tbytes);
    }
  }

 /*
  * Close the socket connection and input file and return...
  */

  close(fd);
  if (fp != 0)
    close(fp);

  fputs("INFO: Ready to print.\n", stderr);

  return (0);
}


/*
 * 'list_devices()' - List all USB devices.
 */

void
list_devices(void)
{
#ifdef __linux
  int	i;			/* Looping var */
  int	fd;			/* File descriptor */
  char	device[255];		/* Device filename */
  FILE	*probe;			/* /proc/bus/usb/devices file */
  char	line[1024],		/* Line from file */
	*delim,			/* Delimiter in file */
	make[IPP_MAX_NAME],	/* Make from file */
	model[IPP_MAX_NAME];	/* Model from file */


 /*
  * First try opening one of the USB devices to load the driver
  * module as needed...
  */

  if ((fd = open("/dev/usb/lp0", O_WRONLY)) >= 0)
    close(fd); /* 2.3.x and 2.4.x */
  else if ((fd = open("/dev/usb/usblp0", O_WRONLY)) >= 0)
    close(fd); /* Mandrake 7.x */
  else if ((fd = open("/dev/usblp0", O_WRONLY)) >= 0)
    close(fd); /* 2.2.x */

 /*
  * Then look at the device list for the USB bus...
  */

  if ((probe = fopen("/proc/bus/usb/devices", "r")) != NULL)
  {
   /*
    * Scan the device list...
    */

    i = 0;

    memset(make, 0, sizeof(make));
    memset(model, 0, sizeof(model));

    while (fgets(line, sizeof(line), probe) != NULL)
    {
     /*
      * Strip trailing newline.
      */

      if ((delim = strrchr(line, '\n')) != NULL)
	*delim = '\0';

     /*
      * See if it is a printer device ("P: ...")
      */

      if (strncmp(line, "S:", 2) == 0)
      {
       /*
        * String attribute...
	*/

        if (strncmp(line, "S:  Manufacturer=", 17) == 0)
	{
	  strlcpy(make, line + 17, sizeof(make));
	  if (strcmp(make, "Hewlett-Packard") == 0)
	    strcpy(make, "HP");
	}
        else if (strncmp(line, "S:  Product=", 12) == 0)
	  strlcpy(model, line + 12, sizeof(model));
      }
      else if (strncmp(line, "I:", 2) == 0 &&
               (strstr(line, "Driver=printer") != NULL ||
	        strstr(line, "Driver=usblp") != NULL) &&
	       make[0] && model[0])
      {
       /*
        * We were processing a printer device; send the info out...
	*/

        sprintf(device, "/dev/usb/lp%d", i);
	if (access(device, 0))
	{
	  sprintf(device, "/dev/usb/usblp%d", i);

	  if (access(device, 0))
	    sprintf(device, "/dev/usblp%d", i);
	}

	printf("direct usb:%s \"%s %s\" \"USB Printer #%d\"\n",
	       device, make, model, i + 1);

	i ++;

	memset(make, 0, sizeof(make));
	memset(model, 0, sizeof(model));
      }
    }

    fclose(probe);

   /*
    * Write empty device listings for unused USB devices...
    */

    for (; i < 16; i ++)
    {
      sprintf(device, "/dev/usb/lp%d", i);

      if (access(device, 0))
      {
	sprintf(device, "/dev/usb/usblp%d", i);

	if (access(device, 0))
	{
	  sprintf(device, "/dev/usblp%d", i);

	  if (access(device, 0))
	    continue;
	}
      }

      printf("direct usb:%s \"Unknown\" \"USB Printer #%d\"\n", device, i + 1);
    }
  }
  else
  {
   /*
    * Just check manually for USB devices...
    */

    for (i = 0; i < 16; i ++)
    {
      sprintf(device, "/dev/usb/lp%d", i);

      if (access(device, 0))
      {
	sprintf(device, "/dev/usb/usblp%d", i);

	if (access(device, 0))
	{
	  sprintf(device, "/dev/usblp%d", i);

	  if (access(device, 0))
	    continue;
	}
      }

      printf("direct usb:%s \"Unknown\" \"USB Printer #%d\"\n", device, i + 1);
    }
  }
#elif defined(__sgi)
#elif defined(__sun)
#elif defined(__hpux)
#elif defined(__osf)
#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
  int   i;                      /* Looping var */
  char  device[255];            /* Device filename */


  for (i = 0; i < 8; i ++)
  {
    sprintf(device, "/dev/ulpt%d", i);
    if (!access(device, 0))
      printf("direct usb:%s \"Unknown\" \"USB Printer #%d (ulpt)\"\n", device, i + 1);

    sprintf(device, "/dev/unlpt%d", i);
    if (!access(device, 0))
      printf("direct usb:%s \"Unknown\" \"USB Printer #%d\" (unlpt)\n", device, i + 1);
  }
#endif
}


/*
 * End of "$Id: usb.c,v 1.18.2.12 2002/08/09 00:08:49 mike Exp $".
 */
Commit	Line	Data
a2c6b8b1	1	/*
34f927d3	2	* "$Id: usb.c,v 1.18.2.12 2002/08/09 00:08:49 mike Exp $"
a2c6b8b1	3	*
	4	* USB port backend for the Common UNIX Printing System (CUPS).
	5	*
839c43aa	6	* Copyright 1997-2002 by Easy Software Products, all rights reserved.
a2c6b8b1	7	*
	8	* These coded instructions, statements, and computer programs are the
	9	* property of Easy Software Products and are protected by Federal
	10	* copyright law. Distribution and use rights are outlined in the file
	11	* "LICENSE" which should have been included with this file. If this
	12	* file is missing or damaged please contact Easy Software Products
	13	* at:
	14	*
	15	* Attn: CUPS Licensing Information
	16	* Easy Software Products
	17	* 44141 Airport View Drive, Suite 204
	18	* Hollywood, Maryland 20636-3111 USA
	19	*
	20	* Voice: (301) 373-9603
	21	* EMail: cups-info@cups.org
	22	* WWW: http://www.cups.org
	23	*
dab1a4d8	24	* This file is subject to the Apple OS-Developed Software exception.
dab1a4d8	25	*
a2c6b8b1	26	* Contents:
	27	*
	28	* main() - Send a file to the specified USB port.
	29	* list_devices() - List all USB devices.
	30	*/
	31
	32	/*
	33	* Include necessary headers.
	34	*/
	35
	36	#include <cups/cups.h>
	37	#include <stdio.h>
	38	#include <stdlib.h>
a3e17a89	39	#include <errno.h>
a2c6b8b1	40	#include <cups/string.h>
4ff40357	41	#include <signal.h>
a2c6b8b1	42
c3026ddc	43	#ifdef WIN32
a2c6b8b1	44	# include <io.h>
	45	#else
	46	# include <unistd.h>
	47	# include <fcntl.h>
	48	# include <termios.h>
c3026ddc	49	#endif /* WIN32 */
a2c6b8b1	50
	51
	52	/*
	53	* Local functions...
	54	*/
	55
	56	void list_devices(void);
	57
	58
	59	/*
	60	* 'main()' - Send a file to the specified USB port.
	61	*
	62	* Usage:
	63	*
	64	* printer-uri job-id user title copies options [file]
	65	*/
	66
	67	int /* O - Exit status */
	68	main(int argc, /* I - Number of command-line arguments (6 or 7) */
	69	char argv[]) / I - Command-line arguments */
	70	{
	71	char method[255], /* Method in URI */
	72	hostname[1024], /* Hostname */
	73	username[255], /* Username info (not used) */
	74	resource[1024], /* Resource info (device and options) */
	75	options; / Pointer to options */
	76	int port; /* Port number (not used) */
267cf96a	77	int fp; /* Print file */
a2c6b8b1	78	int copies; /* Number of copies to print */
a2c6b8b1	79	int fd; /* Parallel device */
1c33ff6a	80	int wbytes; /* Number of bytes written */
1c33ff6a	81	size_t nbytes, /* Number of bytes read */
a2c6b8b1	82	tbytes; /* Total number of bytes written */
1c33ff6a	83	char buffer[8192], /* Output buffer */
1c33ff6a	84	bufptr; / Pointer into buffer */
a2c6b8b1	85	struct termios opts; /* Parallel port options */
4ff40357	86	#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
	87	struct sigaction action; /* Actions for POSIX signals */
	88	#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
a2c6b8b1	89
a2c6b8b1	90
4b23f3b3	91	/*
	92	* Make sure status messages are not buffered...
	93	*/
	94
	95	setbuf(stderr, NULL);
	96
	97	/*
	98	* Check command-line...
	99	*/
	100
a2c6b8b1	101	if (argc == 1)
	102	{
	103	list_devices();
	104	return (0);
	105	}
	106	else if (argc < 6 \|\| argc > 7)
	107	{
	108	fputs("Usage: USB job-id user title copies options [file]\n", stderr);
	109	return (1);
	110	}
	111
	112	/*
	113	* If we have 7 arguments, print the file named on the command-line.
	114	* Otherwise, send stdin instead...
	115	*/
	116
	117	if (argc == 6)
	118	{
267cf96a	119	fp = 0;
a2c6b8b1	120	copies = 1;
	121	}
	122	else
	123	{
	124	/*
	125	* Try to open the print file...
	126	*/
	127
267cf96a	128	if ((fp = open(argv[6], O_RDONLY)) < 0)
a2c6b8b1	129	{
	130	perror("ERROR: unable to open print file");
	131	return (1);
	132	}
	133
	134	copies = atoi(argv[4]);
	135	}
	136
	137	/*
	138	* Extract the device name and options from the URI...
	139	*/
	140
	141	httpSeparate(argv[0], method, username, hostname, &port, resource);
	142
	143	/*
	144	* See if there are any options...
	145	*/
	146
	147	if ((options = strchr(resource, '?')) != NULL)
	148	{
	149	/*
	150	* Yup, terminate the device name string and move to the first
	151	* character of the options...
	152	*/
	153
	154	*options++ = '\0';
	155	}
	156
	157	/*
	158	* Open the USB port device...
	159	*/
	160
a3e17a89	161	do
a2c6b8b1	162	{
a3e17a89	163	if ((fd = open(resource, O_WRONLY \| O_EXCL)) == -1)
	164	{
	165	if (errno == EBUSY)
	166	{
	167	fputs("INFO: USB port busy; will retry in 30 seconds...\n", stderr);
	168	sleep(30);
	169	}
469e1f90	170	else if (errno == ENXIO \|\| errno == EIO \|\| errno == ENOENT)
4c2096b8	171	{
	172	fputs("INFO: Printer not connected; will retry in 30 seconds...\n", stderr);
	173	sleep(30);
	174	}
a3e17a89	175	else
a3e17a89	176	{
7030b751	177	fprintf(stderr, "ERROR: Unable to open USB port device file \"%s\": %s\n",
7030b751	178	resource, strerror(errno));
a3e17a89	179	return (1);
	180	}
	181	}
a2c6b8b1	182	}
a3e17a89	183	while (fd < 0);
a2c6b8b1	184
	185	/*
	186	* Set any options provided...
	187	*/
	188
	189	tcgetattr(fd, &opts);
	190
	191	opts.c_lflag &= ~(ICANON \| ECHO \| ISIG); /* Raw mode */
	192
	193	/** No options supported yet **/
	194
	195	tcsetattr(fd, TCSANOW, &opts);
	196
4ff40357	197	/*
	198	* Now that we are "connected" to the port, ignore SIGTERM so that we
	199	* can finish out any page data the driver sends (e.g. to eject the
	200	* current page...
	201	*/
	202
	203	#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
	204	sigset(SIGTERM, SIG_IGN);
	205	#elif defined(HAVE_SIGACTION)
	206	memset(&action, 0, sizeof(action));
	207
	208	sigemptyset(&action.sa_mask);
	209	action.sa_handler = SIG_IGN;
	210	sigaction(SIGTERM, &action, NULL);
	211	#else
	212	signal(SIGTERM, SIG_IGN);
	213	#endif /* HAVE_SIGSET */
	214
a2c6b8b1	215	/*
	216	* Finally, send the print file...
	217	*/
	218
	219	while (copies > 0)
	220	{
	221	copies --;
	222
267cf96a	223	if (fp != 0)
a2c6b8b1	224	{
a2c6b8b1	225	fputs("PAGE: 1 1\n", stderr);
267cf96a	226	lseek(fp, 0, SEEK_SET);
a2c6b8b1	227	}
	228
	229	tbytes = 0;
267cf96a	230	while ((nbytes = read(fp, buffer, sizeof(buffer))) > 0)
a2c6b8b1	231	{
	232	/*
	233	* Write the print data to the printer...
	234	*/
	235
1c33ff6a	236	tbytes += nbytes;
	237	bufptr = buffer;
	238
	239	while (nbytes > 0)
a2c6b8b1	240	{
1c33ff6a	241	if ((wbytes = write(fd, bufptr, nbytes)) < 0)
	242	if (errno == ENOTTY)
	243	wbytes = write(fd, bufptr, nbytes);
	244
	245	if (wbytes < 0)
	246	{
	247	perror("ERROR: Unable to send print file to printer");
	248	break;
	249	}
	250
	251	nbytes -= wbytes;
	252	bufptr += wbytes;
a2c6b8b1	253	}
a2c6b8b1	254
a2c6b8b1	255	if (argc > 6)
ba31b514	256	fprintf(stderr, "INFO: Sending print file, %lu bytes...\n",
ba31b514	257	(unsigned long)tbytes);
a2c6b8b1	258	}
	259	}
	260
	261	/*
	262	* Close the socket connection and input file and return...
	263	*/
	264
	265	close(fd);
267cf96a	266	if (fp != 0)
267cf96a	267	close(fp);
a2c6b8b1	268
a540d367	269	fputs("INFO: Ready to print.\n", stderr);
a540d367	270
a2c6b8b1	271	return (0);
	272	}
	273
	274
	275	/*
	276	* 'list_devices()' - List all USB devices.
	277	*/
	278
	279	void
	280	list_devices(void)
	281	{
	282	#ifdef __linux
	283	int i; /* Looping var */
a2c6b8b1	284	int fd; /* File descriptor */
a2c6b8b1	285	char device[255]; /* Device filename */
095ce1ee	286	FILE probe; / /proc/bus/usb/devices file */
a2c6b8b1	287	char line[1024], /* Line from file */
	288	delim, / Delimiter in file */
	289	make[IPP_MAX_NAME], /* Make from file */
	290	model[IPP_MAX_NAME]; /* Model from file */
	291
	292
095ce1ee	293	/*
	294	* First try opening one of the USB devices to load the driver
	295	* module as needed...
	296	*/
	297
	298	if ((fd = open("/dev/usb/lp0", O_WRONLY)) >= 0)
	299	close(fd); /* 2.3.x and 2.4.x */
e2ff7d86	300	else if ((fd = open("/dev/usb/usblp0", O_WRONLY)) >= 0)
e2ff7d86	301	close(fd); /* Mandrake 7.x */
095ce1ee	302	else if ((fd = open("/dev/usblp0", O_WRONLY)) >= 0)
	303	close(fd); /* 2.2.x */
	304
	305	/*
	306	* Then look at the device list for the USB bus...
	307	*/
	308
a2c6b8b1	309	if ((probe = fopen("/proc/bus/usb/devices", "r")) != NULL)
a2c6b8b1	310	{
095ce1ee	311	/*
	312	* Scan the device list...
	313	*/
	314
0abffe2c	315	i = 0;
a2c6b8b1	316
	317	memset(make, 0, sizeof(make));
	318	memset(model, 0, sizeof(model));
	319
	320	while (fgets(line, sizeof(line), probe) != NULL)
	321	{
	322	/*
	323	* Strip trailing newline.
	324	*/
	325
	326	if ((delim = strrchr(line, '\n')) != NULL)
	327	*delim = '\0';
	328
	329	/*
	330	* See if it is a printer device ("P: ...")
	331	*/
	332
0abffe2c	333	if (strncmp(line, "S:", 2) == 0)
a2c6b8b1	334	{
	335	/*
	336	* String attribute...
	337	*/
	338
	339	if (strncmp(line, "S: Manufacturer=", 17) == 0)
0abffe2c	340	{
def978d5	341	strlcpy(make, line + 17, sizeof(make));
0abffe2c	342	if (strcmp(make, "Hewlett-Packard") == 0)
	343	strcpy(make, "HP");
	344	}
a2c6b8b1	345	else if (strncmp(line, "S: Product=", 12) == 0)
def978d5	346	strlcpy(model, line + 12, sizeof(model));
a2c6b8b1	347	}
0abffe2c	348	else if (strncmp(line, "I:", 2) == 0 &&
25488c69	349	(strstr(line, "Driver=printer") != NULL \|\|
25488c69	350	strstr(line, "Driver=usblp") != NULL) &&
0abffe2c	351	make[0] && model[0])
a2c6b8b1	352	{
	353	/*
	354	* We were processing a printer device; send the info out...
	355	*/
	356
e2ff7d86	357	sprintf(device, "/dev/usb/lp%d", i);
	358	if (access(device, 0))
	359	{
	360	sprintf(device, "/dev/usb/usblp%d", i);
	361
	362	if (access(device, 0))
	363	sprintf(device, "/dev/usblp%d", i);
	364	}
	365
	366	printf("direct usb:%s \"%s %s\" \"USB Printer #%d\"\n",
	367	device, make, model, i + 1);
0abffe2c	368
a2c6b8b1	369	i ++;
	370
	371	memset(make, 0, sizeof(make));
	372	memset(model, 0, sizeof(model));
	373	}
a2c6b8b1	374	}
	375
	376	fclose(probe);
753453e4	377
	378	/*
	379	* Write empty device listings for unused USB devices...
	380	*/
	381
	382	for (; i < 16; i ++)
	383	{
	384	sprintf(device, "/dev/usb/lp%d", i);
	385
	386	if (access(device, 0))
	387	{
	388	sprintf(device, "/dev/usb/usblp%d", i);
	389
	390	if (access(device, 0))
	391	{
	392	sprintf(device, "/dev/usblp%d", i);
	393
	394	if (access(device, 0))
	395	continue;
	396	}
	397	}
	398
	399	printf("direct usb:%s \"Unknown\" \"USB Printer #%d\"\n", device, i + 1);
	400	}
a2c6b8b1	401	}
	402	else
	403	{
095ce1ee	404	/*
753453e4	405	* Just check manually for USB devices...
095ce1ee	406	*/
095ce1ee	407
753453e4	408	for (i = 0; i < 16; i ++)
a2c6b8b1	409	{
c6a53438	410	sprintf(device, "/dev/usb/lp%d", i);
67436e05	411
753453e4	412	if (access(device, 0))
e2ff7d86	413	{
753453e4	414	sprintf(device, "/dev/usb/usblp%d", i);
e2ff7d86	415
753453e4	416	if (access(device, 0))
	417	{
	418	sprintf(device, "/dev/usblp%d", i);
	419
	420	if (access(device, 0))
	421	continue;
	422	}
67436e05	423	}
753453e4	424
753453e4	425	printf("direct usb:%s \"Unknown\" \"USB Printer #%d\"\n", device, i + 1);
a2c6b8b1	426	}
	427	}
	428	#elif defined(__sgi)
	429	#elif defined(__sun)
	430	#elif defined(__hpux)
	431	#elif defined(__osf)
34f927d3	432	#elif defined(__FreeBSD__) \|\| defined(__NetBSD__) \|\| defined(__OpenBSD__)
a3e17a89	433	int i; /* Looping var */
a3e17a89	434	char device[255]; /* Device filename */
a3e17a89	435
b43fa007	436
34f927d3	437	for (i = 0; i < 8; i ++)
a3e17a89	438	{
34f927d3	439	sprintf(device, "/dev/ulpt%d", i);
753453e4	440	if (!access(device, 0))
34f927d3	441	printf("direct usb:%s \"Unknown\" \"USB Printer #%d (ulpt)\"\n", device, i + 1);
bf18d74f	442
34f927d3	443	sprintf(device, "/dev/unlpt%d", i);
753453e4	444	if (!access(device, 0))
34f927d3	445	printf("direct usb:%s \"Unknown\" \"USB Printer #%d\" (unlpt)\n", device, i + 1);
bf18d74f	446	}
bf18d74f	447	#endif
a2c6b8b1	448	}
	449
	450
	451	/*
34f927d3	452	* End of "$Id: usb.c,v 1.18.2.12 2002/08/09 00:08:49 mike Exp $".
a2c6b8b1	453	*/