1 /*
2 * GZIP/raw pre-filter for CUPS.
3 *
4 * Copyright 2007-2015 by Apple Inc.
5 * Copyright 1993-2007 by Easy Software Products.
6 *
7 * These coded instructions, statements, and computer programs are the
8 * property of Apple Inc. and are protected by Federal copyright
9 * law. Distribution and use rights are outlined in the file "LICENSE.txt"
10 * which should have been included with this file. If this file is
11 * missing or damaged, see the license at "http://www.cups.org/".
12 *
13 * This file is subject to the Apple OS-Developed Software exception.
14 */
15
16 /*
17 * Include necessary headers...
18 */
19
20 #include <cups/cups-private.h>
21
22
23 /*
24 * 'main()' - Copy (and uncompress) files to stdout.
25 */
26
27 int /* O - Exit status */
main(int argc,char * argv[])28 main(int argc, /* I - Number of command-line arguments */
29 char *argv[]) /* I - Command-line arguments */
30 {
31 cups_file_t *fp; /* File */
32 char buffer[8192]; /* Data buffer */
33 ssize_t bytes; /* Number of bytes read/written */
34 int copies; /* Number of copies */
35
36
37 /*
38 * Check command-line...
39 */
40
41 if (argc < 6 || argc > 7)
42 {
43 _cupsLangPrintf(stderr,
44 _("Usage: %s job-id user title copies options [file]"),
45 argv[0]);
46 return (1);
47 }
48
49 /*
50 * Get the copy count; if we have no final content type, this is a
51 * raw queue or raw print file, so we need to make copies...
52 */
53
54 if (!getenv("FINAL_CONTENT_TYPE"))
55 copies = atoi(argv[4]);
56 else
57 copies = 1;
58
59 /*
60 * Open the file...
61 */
62
63 if (argc == 6)
64 {
65 copies = 1;
66 fp = cupsFileStdin();
67 }
68 else if ((fp = cupsFileOpen(argv[6], "r")) == NULL)
69 {
70 fprintf(stderr, "DEBUG: Unable to open \"%s\".\n", argv[6]);
71 _cupsLangPrintError("ERROR", _("Unable to open print file"));
72 return (1);
73 }
74
75 /*
76 * Copy the file to stdout...
77 */
78
79 while (copies > 0)
80 {
81 if (!getenv("FINAL_CONTENT_TYPE"))
82 fputs("PAGE: 1 1\n", stderr);
83
84 cupsFileRewind(fp);
85
86 while ((bytes = cupsFileRead(fp, buffer, sizeof(buffer))) > 0)
87 if (write(1, buffer, (size_t)bytes) < bytes)
88 {
89 _cupsLangPrintFilter(stderr, "ERROR",
90 _("Unable to write uncompressed print data: %s"),
91 strerror(errno));
92 if (argc == 7)
93 cupsFileClose(fp);
94
95 return (1);
96 }
97
98 copies --;
99 }
100
101 /*
102 * Close the file and return...
103 */
104
105 if (argc == 7)
106 cupsFileClose(fp);
107
108 return (0);
109 }
110