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 * Licensed under Apache License v2.0. See the file "LICENSE" for more information.
8 */
9
10 /*
11 * Include necessary headers...
12 */
13
14 #include <cups/cups-private.h>
15
16
17 /*
18 * 'main()' - Copy (and uncompress) files to stdout.
19 */
20
21 int /* O - Exit status */
main(int argc,char * argv[])22 main(int argc, /* I - Number of command-line arguments */
23 char *argv[]) /* I - Command-line arguments */
24 {
25 cups_file_t *fp; /* File */
26 char buffer[8192]; /* Data buffer */
27 ssize_t bytes; /* Number of bytes read/written */
28 int copies; /* Number of copies */
29
30
31 /*
32 * Check command-line...
33 */
34
35 if (argc < 6 || argc > 7)
36 {
37 _cupsLangPrintf(stderr,
38 _("Usage: %s job-id user title copies options [file]"),
39 argv[0]);
40 return (1);
41 }
42
43 /*
44 * Get the copy count; if we have no final content type, this is a
45 * raw queue or raw print file, so we need to make copies...
46 */
47
48 if (!getenv("FINAL_CONTENT_TYPE"))
49 copies = atoi(argv[4]);
50 else
51 copies = 1;
52
53 /*
54 * Open the file...
55 */
56
57 if (argc == 6)
58 {
59 copies = 1;
60 fp = cupsFileStdin();
61 }
62 else if ((fp = cupsFileOpen(argv[6], "r")) == NULL)
63 {
64 fprintf(stderr, "DEBUG: Unable to open \"%s\".\n", argv[6]);
65 _cupsLangPrintError("ERROR", _("Unable to open print file"));
66 return (1);
67 }
68
69 /*
70 * Copy the file to stdout...
71 */
72
73 while (copies > 0)
74 {
75 if (!getenv("FINAL_CONTENT_TYPE"))
76 fputs("PAGE: 1 1\n", stderr);
77
78 cupsFileRewind(fp);
79
80 while ((bytes = cupsFileRead(fp, buffer, sizeof(buffer))) > 0)
81 if (write(1, buffer, (size_t)bytes) < bytes)
82 {
83 _cupsLangPrintFilter(stderr, "ERROR",
84 _("Unable to write uncompressed print data: %s"),
85 strerror(errno));
86 if (argc == 7)
87 cupsFileClose(fp);
88
89 return (1);
90 }
91
92 copies --;
93 }
94
95 /*
96 * Close the file and return...
97 */
98
99 if (argc == 7)
100 cupsFileClose(fp);
101
102 return (0);
103 }
104