mirror of
https://git.tartarus.org/simon/putty.git
synced 2025-01-25 09:12:24 +00:00
118 lines
2.2 KiB
C
118 lines
2.2 KiB
C
/*
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* Printing interface for PuTTY.
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*/
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#include <windows.h>
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#include "putty.h"
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struct printer_enum_tag {
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int nprinters;
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LPPRINTER_INFO_5 info;
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};
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struct printer_job_tag {
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HANDLE hprinter;
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};
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printer_enum *printer_start_enum(int *nprinters_ptr)
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{
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printer_enum *ret = smalloc(sizeof(printer_enum));
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char *buffer = NULL;
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DWORD needed, nprinters;
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*nprinters_ptr = 0; /* default return value */
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buffer = smalloc(512);
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if (EnumPrinters(PRINTER_ENUM_LOCAL, NULL, 5,
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buffer, 512, &needed, &nprinters) == 0)
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goto error;
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buffer = srealloc(buffer, needed);
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if (EnumPrinters(PRINTER_ENUM_LOCAL, NULL, 5,
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(LPBYTE)buffer, needed, &needed, &nprinters) == 0)
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goto error;
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ret->info = (LPPRINTER_INFO_5)buffer;
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ret->nprinters = *nprinters_ptr = nprinters;
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return ret;
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error:
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sfree(buffer);
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sfree(ret);
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return NULL;
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}
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char *printer_get_name(printer_enum *pe, int i)
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{
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if (!pe)
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return NULL;
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if (i < 0 || i >= pe->nprinters)
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return NULL;
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return pe->info[i].pPrinterName;
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}
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void printer_finish_enum(printer_enum *pe)
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{
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if (!pe)
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return;
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sfree(pe->info);
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sfree(pe);
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}
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printer_job *printer_start_job(char *printer)
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{
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printer_job *ret = smalloc(sizeof(printer_job));
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DOC_INFO_1 docinfo;
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int jobstarted = 0, pagestarted = 0;
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ret->hprinter = NULL;
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if (!OpenPrinter(printer, &ret->hprinter, NULL))
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goto error;
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docinfo.pDocName = "PuTTY remote printer output";
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docinfo.pOutputFile = NULL;
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docinfo.pDatatype = "RAW";
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if (!StartDocPrinter(ret->hprinter, 1, (LPSTR)&docinfo))
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goto error;
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jobstarted = 1;
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if (!StartPagePrinter(ret->hprinter))
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goto error;
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pagestarted = 1;
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return ret;
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error:
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if (pagestarted)
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EndPagePrinter(ret->hprinter);
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if (jobstarted)
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EndDocPrinter(ret->hprinter);
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if (ret->hprinter)
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ClosePrinter(ret->hprinter);
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sfree(ret);
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return NULL;
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}
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void printer_job_data(printer_job *pj, void *data, int len)
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{
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DWORD written;
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if (!pj)
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return;
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WritePrinter(pj->hprinter, data, len, &written);
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}
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void printer_finish_job(printer_job *pj)
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{
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if (!pj)
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return;
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EndPagePrinter(pj->hprinter);
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EndDocPrinter(pj->hprinter);
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ClosePrinter(pj->hprinter);
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sfree(pj);
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}
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