/[rdesktop]/jpeg/rdesktop/trunk/printer.c
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 432 by matthewc, Tue Jul 1 09:31:25 2003 UTC revision 602 by stargo, Sat Feb 7 17:32:21 2004 UTC
# Line 1  Line 1 
1  #include "rdesktop.h"  #include "rdesktop.h"
2    
3  FILE *printer_fp;  extern RDPDR_DEVICE g_rdpdr_device[];
4    
5    PRINTER *
6    get_printer_data(HANDLE handle)
7    {
8            int index;
9    
10            for (index = 0; index < RDPDR_MAX_DEVICES; index++)
11            {
12                    if (handle == g_rdpdr_device[index].handle)
13                            return (PRINTER *) g_rdpdr_device[index].pdevice_data;
14            }
15            return NULL;
16    }
17    
18    int
19    printer_enum_devices(uint32 *id, char *optarg)
20    {
21            PRINTER *pprinter_data;
22    
23            char *pos = optarg;
24            char *pos2;
25            int count = 0;
26            int already = 0;
27    
28            // we need to know how many printers we've already set up
29            // supplied from other -r flags than this one.
30            while (count < *id)
31            {
32                    if (g_rdpdr_device[count].device_type == DEVICE_TYPE_PRINTER)
33                            already++;
34                    count++;
35            }
36    
37            count = 0;
38    
39            if (*optarg == ':')
40                    optarg++;
41    
42            while ((pos = next_arg(optarg, ',')) && *id < RDPDR_MAX_DEVICES)
43            {
44                    pprinter_data = (PRINTER *) xmalloc(sizeof(PRINTER));
45    
46                    strcpy(g_rdpdr_device[*id].name, "PRN");
47                    strcat(g_rdpdr_device[*id].name, ltoa(already + count + 1, 10));
48    
49                    /* first printer is set as default printer */
50                    if ((already + count) == 0)
51                            pprinter_data->default_printer = True;
52                    else
53                            pprinter_data->default_printer = False;
54    
55                    pos2 = next_arg(optarg, '=');
56                    if (*optarg == (char) 0x00)
57                            pprinter_data->printer = "mydeskjet";   /* set default */
58                    else
59                    {
60                            pprinter_data->printer = xmalloc(strlen(optarg) + 1);
61                            strcpy(pprinter_data->printer, optarg);
62                    }
63    
64                    if (!pos2 || (*pos2 == (char) 0x00))
65                            pprinter_data->driver = "HP LaserJet IIIP";     /* no printer driver supplied set default */
66                    else
67                    {
68                            pprinter_data->driver = xmalloc(strlen(pos2) + 1);
69                            strcpy(pprinter_data->driver, pos2);
70                    }
71    
72                    printf("PRINTER %s to %s driver %s\n", g_rdpdr_device[*id].name,
73                           pprinter_data->printer, pprinter_data->driver);
74                    g_rdpdr_device[*id].device_type = DEVICE_TYPE_PRINTER;
75                    g_rdpdr_device[*id].pdevice_data = (void *) pprinter_data;
76                    count++;
77                    (*id)++;
78    
79                    optarg = pos;
80            }
81            return count;
82    }
83    
84  static NTSTATUS  static NTSTATUS
85  printer_create(HANDLE *handle)  printer_create(uint32 device_id, uint32 access, uint32 share_mode, uint32 disposition, uint32 flags,
86                   char *filename, HANDLE * handle)
87  {  {
88          printer_fp = popen("lpr", "w");          char cmd[256];
89          *handle = 0;          PRINTER *pprinter_data;
90    
91            pprinter_data = (PRINTER *) g_rdpdr_device[device_id].pdevice_data;
92    
93            /* default printer name use default printer queue as well in unix */
94            if (pprinter_data->printer == "mydeskjet")
95            {
96                    pprinter_data->printer_fp = popen("lpr", "w");
97            }
98            else
99            {
100                    sprintf(cmd, "lpr -P %s", pprinter_data->printer);
101                    pprinter_data->printer_fp = popen(cmd, "w");
102            }
103    
104            g_rdpdr_device[device_id].handle = fileno(pprinter_data->printer_fp);
105            *handle = g_rdpdr_device[device_id].handle;
106          return STATUS_SUCCESS;          return STATUS_SUCCESS;
107  }  }
108    
109  static NTSTATUS  static NTSTATUS
110  printer_close(HANDLE handle)  printer_close(HANDLE handle)
111  {  {
112          pclose(printer_fp);          PRINTER *pprinter_data;
113    
114            pprinter_data = get_printer_data(handle);
115    
116            g_rdpdr_device[get_device_index(handle)].handle = 0;
117    
118            pclose(pprinter_data->printer_fp);
119    
120          return STATUS_SUCCESS;          return STATUS_SUCCESS;
121  }  }
122    
123  static NTSTATUS  static NTSTATUS
124  printer_write(HANDLE handle, uint8 *data, uint32 length, uint32 *result)  printer_write(HANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result)
125  {  {
126          *result = fwrite(data, 1, length, printer_fp);          PRINTER *pprinter_data;
127    
128            pprinter_data = get_printer_data(handle);
129            *result = length * fwrite(data, length, 1, pprinter_data->printer_fp);
130    
131            if (ferror(pprinter_data->printer_fp))
132            {
133                    *result = 0;
134                    return STATUS_INVALID_HANDLE;
135            }
136          return STATUS_SUCCESS;          return STATUS_SUCCESS;
137  }  }
138    
139  DEVICE_FNS printer_fns =  DEVICE_FNS printer_fns = {
 {  
140          printer_create,          printer_create,
141          printer_close,          printer_close,
142          NULL, /* read */          NULL,                   /* read */
143          printer_write,          printer_write,
144          NULL /* device_control */          NULL                    /* device_control */
145  };  };
   
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