int main(int argc, char **argv)
{
const char *filename = "pages.count";
int rc;
unsigned long
by = 1,
count = 0;
if (argc > 1) {
if (sscanf(argv[1], "%lu", &by) != 1) {
fprintf(stderr, ERRPREFIX "Illegal number: `%s'.\n", argv[1]);
exit(EXIT_FAILURE);
}
if (argc > 2) filename = argv[2];
if (argc > 3) {
fprintf(stderr, ERRPREFIX "Too many arguments.\n");
exit(EXIT_FAILURE);
}
}
rc = pcf_getcount(filename, &count);
if (rc == 0)
printf("Initial count returned by pcf_getcount(): %lu.\n", count);
else fprintf(stderr, "? Error from pcf_getcount(), return code is %d.\n", rc);
rc = pcf_inccount(filename, by);
exit(rc == 0? EXIT_SUCCESS: EXIT_FAILURE);
}
int eprn_output_page(gx_device *dev, int num_copies, int flush)
{
eprn_Eprn *eprn = &((eprn_Device *)dev)->eprn;
int rc;
#ifdef EPRN_TRACE
clock_t start_time = clock();
if_debug0(EPRN_TRACE_CHAR, "! eprn_output_page()...\n");
#endif
/* Initialize eprn_get_planes() data */
eprn->next_y = 0;
if (eprn->intensity_rendering == eprn_IR_FloydSteinberg) {
/* Fetch the first line and store it in 'next_scan_line'. */
if (eprn_fetch_scan_line((eprn_Device *)dev, &eprn->next_scan_line) == 0)
eprn->next_y++;
}
/* Ship out */
rc = gdev_prn_output_page(dev, num_copies, flush);
/* CUPS page accounting message. The CUPS documentation is not perfectly
clear on whether one should generate this message before printing a page
or after printing has been successful. The rasterto* filters generate it
before sending the page, but as the scheduler uses these messages for
accounting, this seems unfair.
*/
if (rc == 0 && eprn->CUPS_accounting)
eprintf2("PAGE: %ld %d\n", dev->ShowpageCount, num_copies);
/* The arguments are the number of the page, starting at 1, and the number
of copies of that page. */
#ifndef EPRN_NO_PAGECOUNTFILE
/* On success, record the number of pages printed */
if (rc == 0 && eprn->pagecount_file != NULL) {
assert(num_copies > 0); /* because of signed/unsigned */
if (pcf_inccount(eprn->pagecount_file, num_copies) != 0) {
/* pcf_inccount() has issued an error message. */
eprintf(
" No further attempts will be made to access the page count file.\n");
gs_free(dev->memory->non_gc_memory, eprn->pagecount_file, strlen(eprn->pagecount_file) + 1,
sizeof(char), "eprn_output_page");
eprn->pagecount_file = NULL;
}
}
#endif /* !EPRN_NO_PAGECOUNTFILE */
/* If soft tumble has been demanded, ensure the get_initial_matrix procedure
is consulted for the next page */
if (eprn->soft_tumble) eprn_forget_defaultmatrix(dev->memory->non_gc_memory);
#ifdef EPRN_TRACE
if_debug1(EPRN_TRACE_CHAR, "! eprn_output_page() terminates after %f s.\n",
((float)(clock() - start_time))/CLOCKS_PER_SEC);
#endif
return rc;
}
