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/*
* "$Id: backend.c 6649 2007-07-11 21:46:42Z mike $"
*
* Backend functions for the Common UNIX Printing System (CUPS).
*
* Copyright 2007 by Apple Inc.
* Copyright 2006 by Easy Software Products.
*
* These coded instructions, statements, and computer programs are the
* property of Apple Inc. and are protected by Federal copyright
* law. Distribution and use rights are outlined in the file "LICENSE.txt"
* which should have been included with this file. If this file is
* file is missing or damaged, see the license at "http://www.cups.org/".
*
* This file is subject to the Apple OS-Developed Software exception.
*
* Contents:
*
* cupsBackendDeviceURI() - Get the device URI for a backend.
*/
/*
* Include necessary headers...
*/
#include <stdlib.h>
#include "backend.h"
#include "string.h"
/*
* 'cupsBackendDeviceURI()' - Get the device URI for a backend.
*
* The "argv" argument is the argv argument passed to main(). This
* function returns the device URI passed in the DEVICE_URI environment
* variable or the device URI passed in argv[0], whichever is found
* first.
*/
const char * /* O - Device URI or NULL */
cupsBackendDeviceURI(char **argv) /* I - Command-line arguments */
{
const char *device_uri; /* Device URI */
if ((device_uri = getenv("DEVICE_URI")) != NULL)
return (device_uri);
if (!argv || !argv[0] || !strchr(argv[0], ':'))
return (NULL);
else
return (argv[0]);
}
/*
* End of "$Id: backend.c 6649 2007-07-11 21:46:42Z mike $".
*/
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