2 * Printing interface for PuTTY.
9 * Boggle. Flipping between the two branches of this #if appears to
10 * make all the difference as to whether network printers show up
11 * under PRINTER_ENUM_CONNECTIONS on NT 4. I don't pretend to
16 #define ENUM_PTR LPPRINTER_INFO_5
17 #define ENUM_TYPE PRINTER_INFO_5
18 #define ENUM_MEMBER pPrinterName
21 #define ENUM_PTR LPPRINTER_INFO_1
22 #define ENUM_TYPE PRINTER_INFO_1
23 #define ENUM_MEMBER pName
26 struct printer_enum_tag {
31 struct printer_job_tag {
35 static char *printer_add_enum(int param, char *buffer,
36 int offset, int *nprinters_ptr)
38 DWORD needed, nprinters;
40 buffer = srealloc(buffer, offset+512);
43 * Exploratory call to EnumPrinters to determine how much space
44 * we'll need for the output. Discard the return value since it
45 * will almost certainly be a failure due to lack of space.
47 EnumPrinters(param, NULL, ENUM_LEVEL, buffer+offset, 512,
53 buffer = srealloc(buffer, offset+needed);
55 if (EnumPrinters(param, NULL, ENUM_LEVEL, buffer+offset,
56 needed, &needed, &nprinters) == 0)
59 *nprinters_ptr += nprinters;
64 printer_enum *printer_start_enum(int *nprinters_ptr)
66 printer_enum *ret = smalloc(sizeof(printer_enum));
67 char *buffer = NULL, *retval;
69 *nprinters_ptr = 0; /* default return value */
70 buffer = smalloc(512);
72 retval = printer_add_enum(PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS,
73 buffer, 0, nprinters_ptr);
79 ret->info = (ENUM_PTR)buffer;
80 ret->nprinters = *nprinters_ptr;
91 char *printer_get_name(printer_enum *pe, int i)
95 if (i < 0 || i >= pe->nprinters)
97 return pe->info[i].ENUM_MEMBER;
100 void printer_finish_enum(printer_enum *pe)
108 printer_job *printer_start_job(char *printer)
110 printer_job *ret = smalloc(sizeof(printer_job));
112 int jobstarted = 0, pagestarted = 0;
114 ret->hprinter = NULL;
115 if (!OpenPrinter(printer, &ret->hprinter, NULL))
118 docinfo.pDocName = "PuTTY remote printer output";
119 docinfo.pOutputFile = NULL;
120 docinfo.pDatatype = "RAW";
122 if (!StartDocPrinter(ret->hprinter, 1, (LPSTR)&docinfo))
126 if (!StartPagePrinter(ret->hprinter))
134 EndPagePrinter(ret->hprinter);
136 EndDocPrinter(ret->hprinter);
138 ClosePrinter(ret->hprinter);
143 void printer_job_data(printer_job *pj, void *data, int len)
150 WritePrinter(pj->hprinter, data, len, &written);
153 void printer_finish_job(printer_job *pj)
158 EndPagePrinter(pj->hprinter);
159 EndDocPrinter(pj->hprinter);
160 ClosePrinter(pj->hprinter);