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a29fd7dd | 1 | /* |
61515785 | 2 | * "$Id: ppdx.h 3833 2012-05-23 22:51:18Z msweet $" |
a29fd7dd MS |
3 | * |
4 | * Header for PPD data encoding example code. | |
5 | * | |
6 | * Copyright 2012 by Apple Inc. | |
7 | * | |
8 | * These coded instructions, statements, and computer programs are the | |
9 | * property of Apple Inc. and are protected by Federal copyright | |
10 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
11 | * which should have been included with this file. If this file is | |
12 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
13 | * | |
14 | * This file is subject to the Apple OS-Developed Software exception. | |
15 | * | |
16 | */ | |
17 | ||
18 | #ifndef _PPDX_H_ | |
19 | # define _PPDX_H_ | |
20 | ||
21 | ||
22 | /* | |
23 | * Include necessary headers... | |
24 | */ | |
25 | ||
26 | # include <cups/ppd.h> | |
27 | ||
28 | ||
29 | /* | |
30 | * C++ magic... | |
31 | */ | |
32 | ||
33 | # ifdef __cplusplus | |
34 | extern "C" { | |
35 | # endif /* __cplusplus */ | |
36 | ||
37 | ||
38 | /* | |
39 | * Maximum amount of data to encode/decode... | |
40 | */ | |
41 | ||
42 | # define PPDX_MAX_STATUS 1024 /* Limit on log messages in 10.6 */ | |
43 | # define PPDX_MAX_DATA 16777216/* 16MiB */ | |
44 | ||
45 | ||
46 | /* | |
47 | * 'ppdxReadData()' - Read encoded data from a ppd_file_t *. | |
48 | * | |
49 | * Reads chunked data in the PPD file "ppd" using the prefix "name". Returns | |
50 | * an allocated pointer to the data (which is nul-terminated for convenience) | |
51 | * along with the length of the data in the variable pointed to by "datasize", | |
52 | * which can be NULL to indicate the caller doesn't need the length. | |
53 | * | |
54 | * Returns NULL if no data is present in the PPD with the prefix. | |
55 | */ | |
56 | ||
57 | extern void *ppdxReadData(ppd_file_t *ppd, const char *name, | |
58 | size_t *datasize); | |
59 | ||
60 | ||
61 | /* | |
62 | * 'ppdxWriteData()' - Writes encoded data to stderr using PPD: messages. | |
63 | * | |
64 | * Writes chunked data to the PPD file using PPD: messages sent to stderr for | |
65 | * cupsd. "name" must be a valid PPD keyword string whose length is less than | |
66 | * 37 characters to allow for chunk numbering. "data" provides a pointer to the | |
67 | * data to be written, and "datasize" provides the length. | |
68 | */ | |
69 | ||
70 | extern void ppdxWriteData(const char *name, const void *data, | |
71 | size_t datasize); | |
72 | ||
73 | ||
74 | # ifdef __cplusplus | |
75 | } | |
76 | # endif /* __cplusplus */ | |
77 | ||
78 | #endif /* !_PPDX_H */ | |
79 | ||
80 | /* | |
61515785 | 81 | * End of "$Id: ppdx.h 3833 2012-05-23 22:51:18Z msweet $". |
a29fd7dd | 82 | */ |