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1 | /* |
2 | * Printing interface for PuTTY. |
3 | */ |
4 | |
5 | #include <assert.h> |
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6 | #include <stdio.h> |
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7 | #include "putty.h" |
8 | |
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9 | struct printer_job_tag { |
10 | FILE *fp; |
11 | }; |
12 | |
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13 | printer_job *printer_start_job(char *printer) |
14 | { |
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15 | printer_job *ret = snew(printer_job); |
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16 | /* |
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17 | * On Unix, we treat the printer string as the name of a |
18 | * command to pipe to - typically lpr, of course. |
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19 | */ |
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20 | ret->fp = popen(printer, "w"); |
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21 | if (!ret->fp) { |
22 | sfree(ret); |
23 | ret = NULL; |
24 | } |
25 | return ret; |
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26 | } |
27 | |
28 | void printer_job_data(printer_job *pj, void *data, int len) |
29 | { |
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30 | if (!pj) |
31 | return; |
32 | |
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33 | if (fwrite(data, 1, len, pj->fp) < len) |
34 | /* ignore */; |
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35 | } |
36 | |
37 | void printer_finish_job(printer_job *pj) |
38 | { |
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39 | if (!pj) |
40 | return; |
41 | |
42 | pclose(pj->fp); |
43 | sfree(pj); |
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44 | } |
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45 | |
46 | /* |
47 | * There's no sensible way to enumerate printers under Unix, since |
48 | * practically any valid Unix command is a valid printer :-) So |
49 | * these are useless stub functions, and uxcfg.c will disable the |
50 | * drop-down list in the printer configurer. |
51 | */ |
52 | printer_enum *printer_start_enum(int *nprinters_ptr) { |
53 | *nprinters_ptr = 0; |
54 | return NULL; |
55 | } |
56 | char *printer_get_name(printer_enum *pe, int i) { return NULL; |
57 | } |
58 | void printer_finish_enum(printer_enum *pe) { } |