]>
Commit | Line | Data |
---|---|---|
a4d04587 | 1 | /* |
f7faf1f5 | 2 | * "$Id: backend.c 5024 2006-01-29 14:58:15Z mike $" |
a4d04587 | 3 | * |
4 | * Backend functions for the Common UNIX Printing System (CUPS). | |
5 | * | |
6 | * Copyright 2006 by Easy Software Products. | |
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.txt" 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 USA | |
19 | * | |
20 | * Voice: (301) 373-9600 | |
21 | * EMail: cups-info@cups.org | |
22 | * WWW: http://www.cups.org | |
23 | * | |
24 | * This file is subject to the Apple OS-Developed Software exception. | |
25 | * | |
26 | * Contents: | |
27 | * | |
28 | * cupsBackendDeviceURI() - Get the device URI for a backend. | |
29 | */ | |
30 | ||
31 | /* | |
32 | * Include necessary headers... | |
33 | */ | |
34 | ||
35 | #include <stdlib.h> | |
36 | #include "backend.h" | |
37 | #include "string.h" | |
38 | ||
39 | ||
40 | /* | |
41 | * 'cupsBackendDeviceURI()' - Get the device URI for a backend. | |
42 | * | |
43 | * The "argv" argument is the argv argument passed to main(). This | |
44 | * function returns the device URI passed in the DEVICE_URI environment | |
45 | * variable or the device URI passed in argv[0], whichever is found | |
46 | * first. | |
47 | */ | |
48 | ||
49 | const char * /* O - Device URI or NULL */ | |
50 | cupsBackendDeviceURI(char **argv) /* I - Command-line arguments */ | |
51 | { | |
52 | const char *device_uri; /* Device URI */ | |
53 | ||
54 | ||
55 | if ((device_uri = getenv("DEVICE_URI")) != NULL) | |
56 | return (device_uri); | |
57 | ||
58 | if (!argv || !argv[0] || !strchr(argv[0], ':')) | |
59 | return (NULL); | |
60 | else | |
61 | return (argv[0]); | |
62 | } | |
63 | ||
64 | ||
65 | /* | |
f7faf1f5 | 66 | * End of "$Id: backend.c 5024 2006-01-29 14:58:15Z mike $". |
a4d04587 | 67 | */ |