324 lines
9.1 KiB
C
324 lines
9.1 KiB
C
/*
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* Copyright (C) 1992-1997 Michael K. Johnson, johnsonm@redhat.com
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*
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* This file is licensed under the terms of the GNU General Public
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* License, version 2, or any later version. See file COPYING for
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* information on distribution conditions.
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*/
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/*
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* This command is deprecated. The utility is in maintenance mode,
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* meaning we keep them in source tree for backward compatibility
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* only. Do not waste time making this command better, unless the
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* fix is about security or other very critical issue.
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*
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* See Documentation/deprecated.txt for more information.
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*/
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/*
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* $Log: tunelp.c,v $
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* Revision 1.9 1998/06/08 19:37:11 janl
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* Thus compiles tunelp with 2.1.103 kernels
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*
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* Revision 1.8 1997/07/06 00:14:06 aebr
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* Fixes to silence -Wall.
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*
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* Revision 1.7 1997/06/20 16:10:38 janl
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* tunelp refreshed from authors archive.
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*
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* Revision 1.9 1997/06/20 12:56:43 johnsonm
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* Finished fixing license terms.
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*
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* Revision 1.8 1997/06/20 12:34:59 johnsonm
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* Fixed copyright and license.
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*
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* Revision 1.7 1995/03/29 11:16:23 johnsonm
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* TYPO fixed...
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*
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* Revision 1.6 1995/03/29 11:12:15 johnsonm
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* Added third argument to ioctl needed with new kernels
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*
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* Revision 1.5 1995/01/13 10:33:43 johnsonm
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* Chris's changes for new ioctl numbers and backwards compatibility
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* and the reset ioctl.
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*
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* Revision 1.4 1995/01/03 17:42:14 johnsonm
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* -s isn't supposed to take an argument; removed : after s in getopt...
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*
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* Revision 1.3 1995/01/03 07:36:49 johnsonm
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* Fixed typo
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*
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* Revision 1.2 1995/01/03 07:33:44 johnsonm
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* revisions for lp driver updates in Linux 1.1.76
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*
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* 1999-02-22 Arkadiusz Miśkiewicz <misiek@pld.ORG.PL>
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* - added Native Language Support
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*
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* 1999-05-07 Merged LPTRUSTIRQ patch by Andrea Arcangeli (1998/11/29), aeb
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*
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*/
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#include <errno.h>
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#include <fcntl.h>
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#include <getopt.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "lp.h"
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#include "nls.h"
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#include "xalloc.h"
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#include "closestream.h"
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#define STRTOXX_EXIT_CODE 3
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#define EXIT_LP_IO_ERR 4
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#include "strutils.h"
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struct command {
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long op;
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long val;
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struct command *next;
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};
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static void __attribute__((__noreturn__)) print_usage(FILE *out)
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{
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fputs(USAGE_HEADER, out);
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fprintf(out, _(" %s [options] <device>\n"), program_invocation_short_name);
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fputs(USAGE_SEPARATOR, out);
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fputs(_("Set various parameters for the line printer.\n"), out);
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fputs(USAGE_OPTIONS, out);
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fputs(_(" -i, --irq <num> specify parallel port irq\n"), out);
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fputs(_(" -t, --time <ms> driver wait time in milliseconds\n"), out);
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fputs(_(" -c, --chars <num> number of output characters before sleep\n"), out);
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fputs(_(" -w, --wait <us> strobe wait in micro seconds\n"), out);
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/* TRANSLATORS: do not translate <on|off> arguments. The
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argument reader does not recognize locale, unless `on' is
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exactly that very same string. */
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fputs(_(" -a, --abort <on|off> abort on error\n"), out);
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fputs(_(" -o, --check-status <on|off> check printer status before printing\n"), out);
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fputs(_(" -C, --careful <on|off> extra checking to status check\n"), out);
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fputs(_(" -s, --status query printer status\n"), out);
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fputs(_(" -T, --trust-irq <on|off> make driver to trust irq\n"), out);
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fputs(_(" -r, --reset reset the port\n"), out);
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fputs(_(" -q, --print-irq <on|off> display current irq setting\n"), out);
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fputs(USAGE_SEPARATOR, out);
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fputs(USAGE_HELP, out);
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fputs(USAGE_VERSION, out);
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fprintf(out, USAGE_MAN_TAIL("tunelp(8)"));
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exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
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}
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int main(int argc, char **argv)
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{
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int c, fd, irq, status, show_irq, offset = 0, retval;
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char *filename;
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struct stat statbuf;
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struct command *cmds, *cmdst;
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static const struct option longopts[] = {
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{"irq", required_argument, NULL, 'i'},
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{"time", required_argument, NULL, 't'},
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{"chars", required_argument, NULL, 'c'},
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{"wait", required_argument, NULL, 'w'},
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{"abort", required_argument, NULL, 'a'},
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{"check-status", required_argument, NULL, 'o'},
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{"careful", required_argument, NULL, 'C'},
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{"status", no_argument, NULL, 's'},
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{"trust-irq", required_argument, NULL, 'T'},
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{"reset", no_argument, NULL, 'r'},
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{"print-irq", required_argument, NULL, 'q'},
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{"version", no_argument, NULL, 'V'},
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{"help", no_argument, NULL, 'h'},
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{NULL, 0, NULL, 0}
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};
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setlocale(LC_ALL, "");
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bindtextdomain(PACKAGE, LOCALEDIR);
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textdomain(PACKAGE);
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atexit(close_stdout);
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if (argc < 2)
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print_usage(stderr);
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cmdst = cmds = xmalloc(sizeof(struct command));
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cmds->next = 0;
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show_irq = 1;
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while ((c = getopt_long(argc, argv, "t:c:w:a:i:ho:C:sq:rT:vV", longopts, NULL)) != -1) {
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switch (c) {
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case 'h':
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print_usage(stdout);
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break;
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case 'i':
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cmds->op = LPSETIRQ;
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cmds->val = strtol_or_err(optarg, _("argument error"));
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cmds->next = xmalloc(sizeof(struct command));
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cmds = cmds->next;
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cmds->next = 0;
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break;
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case 't':
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cmds->op = LPTIME;
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cmds->val = strtol_or_err(optarg, _("argument error"));
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cmds->next = xmalloc(sizeof(struct command));
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cmds = cmds->next;
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cmds->next = 0;
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break;
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case 'c':
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cmds->op = LPCHAR;
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cmds->val = strtol_or_err(optarg, _("argument error"));
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cmds->next = xmalloc(sizeof(struct command));
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cmds = cmds->next;
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cmds->next = 0;
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break;
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case 'w':
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cmds->op = LPWAIT;
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cmds->val = strtol_or_err(optarg, _("argument error"));
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cmds->next = xmalloc(sizeof(struct command));
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cmds = cmds->next;
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cmds->next = 0;
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break;
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case 'a':
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cmds->op = LPABORT;
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cmds->val = parse_switch(optarg, _("argument error"), "on", "off", NULL);
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cmds->next = xmalloc(sizeof(struct command));
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cmds = cmds->next;
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cmds->next = 0;
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break;
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case 'q':
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show_irq = parse_switch(optarg, _("argument error"), "on", "off", NULL);
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break;
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case 'o':
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cmds->op = LPABORTOPEN;
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cmds->val = parse_switch(optarg, _("argument error"), "on", "off", NULL);
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cmds->next = xmalloc(sizeof(struct command));
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cmds = cmds->next;
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cmds->next = 0;
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break;
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case 'C':
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cmds->op = LPCAREFUL;
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cmds->val = parse_switch(optarg, _("argument error"), "on", "off", NULL);
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cmds->next = xmalloc(sizeof(struct command));
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cmds = cmds->next;
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cmds->next = 0;
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break;
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case 's':
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show_irq = 0;
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cmds->op = LPGETSTATUS;
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cmds->val = 0;
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cmds->next = xmalloc(sizeof(struct command));
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cmds = cmds->next;
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cmds->next = 0;
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break;
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case 'r':
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cmds->op = LPRESET;
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cmds->val = 0;
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cmds->next = xmalloc(sizeof(struct command));
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cmds = cmds->next;
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cmds->next = 0;
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break;
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case 'T':
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/* Note: this will do the wrong thing on
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* 2.0.36 when compiled under 2.2.x
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*/
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cmds->op = LPTRUSTIRQ;
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cmds->val = parse_switch(optarg, _("argument error"), "on", "off", NULL);
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cmds->next = xmalloc(sizeof(struct command));
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cmds = cmds->next;
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cmds->next = 0;
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break;
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case 'v':
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case 'V':
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printf(UTIL_LINUX_VERSION);
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return EXIT_SUCCESS;
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default:
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print_usage(stderr);
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}
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}
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if (optind != argc - 1)
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print_usage(stderr);
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filename = xstrdup(argv[optind]);
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fd = open(filename, O_WRONLY | O_NONBLOCK, 0);
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/* Need to open O_NONBLOCK in case ABORTOPEN is already set
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* and printer is off or off-line or in an error condition.
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* Otherwise we would abort...
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*/
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if (fd < 0)
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err(EXIT_FAILURE, "%s", filename);
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if (fstat(fd, &statbuf))
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err(EXIT_FAILURE, "%s: stat() failed", filename);
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if (!S_ISCHR(statbuf.st_mode)) {
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warnx(_("%s not an lp device"), filename);
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print_usage(stderr);
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}
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/* Allow for binaries compiled under a new kernel to work on
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* the old ones The irq argument to ioctl isn't touched by
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* the old kernels, but we don't want to cause the kernel to
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* complain if we are using a new kernel
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*/
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if (LPGETIRQ >= 0x0600 && ioctl(fd, LPGETIRQ, &irq) < 0
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&& errno == EINVAL)
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/* We don't understand the new ioctls */
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offset = 0x0600;
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cmds = cmdst;
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while (cmds->next) {
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if (cmds->op == LPGETSTATUS) {
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status = 0xdeadbeef;
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retval = ioctl(fd, LPGETSTATUS - offset, &status);
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if (retval < 0)
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warnx(_("LPGETSTATUS error"));
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else {
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if (status == (int)0xdeadbeef)
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/* a few 1.1.7x kernels will do this */
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status = retval;
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printf(_("%s status is %d"), filename, status);
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if (!(status & LP_PBUSY))
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printf(_(", busy"));
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if (!(status & LP_PACK))
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printf(_(", ready"));
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if ((status & LP_POUTPA))
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printf(_(", out of paper"));
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if ((status & LP_PSELECD))
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printf(_(", on-line"));
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if (!(status & LP_PERRORP))
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printf(_(", error"));
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printf("\n");
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}
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} else
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if (ioctl(fd, cmds->op - offset, cmds->val) < 0)
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warn(_("ioctl failed"));
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cmdst = cmds;
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cmds = cmds->next;
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free(cmdst);
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}
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if (show_irq) {
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irq = 0xdeadbeef;
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retval = ioctl(fd, LPGETIRQ - offset, &irq);
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if (retval == -1)
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err(EXIT_LP_IO_ERR, _("LPGETIRQ error"));
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if (irq == (int)0xdeadbeef)
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/* up to 1.1.77 will do this */
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irq = retval;
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if (irq)
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printf(_("%s using IRQ %d\n"), filename, irq);
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else
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printf(_("%s using polling\n"), filename);
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}
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free(filename);
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close(fd);
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return EXIT_SUCCESS;
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}
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