-/*
- * beh ("Backend Error Handler") wrapper backend to extend the possibilities
- * of handling errors of backends.
- *
- * Copyright 2015 by Till Kamppeter
- *
- * This is based on dnssd.c of CUPS
- * dnssd.c copyright notice is follows:
- *
- * Copyright 2008-2015 by Apple Inc.
- *
- * These coded instructions, statements, and computer programs are the
- * property of Apple Inc. and are protected by Federal copyright
- * law. Distribution and use rights are outlined in the file "COPYING"
- * which should have been included with this file.
- */
-
-/*
- * Include necessary headers.
- */
+//
+// beh ("Backend Error Handler") wrapper backend to extend the possibilities
+// of handling errors of backends.
+//
+// Copyright 2015 by Till Kamppeter
+//
+// This is based on dnssd.c of CUPS
+// dnssd.c copyright notice is as follows:
+//
+// Copyright 2008-2015 by Apple Inc.
+//
+// Licensed under Apache License v2.0. See the file "LICENSE" for more
+// information.
+//
+
+//
+// Include necessary headers.
+//
#include <config.h>
#include <cups/cups.h>
#include <string.h>
#include <errno.h>
-/*
- * Local globals...
- */
-static int job_canceled = 0; /* Set to 1 on SIGTERM */
+//
+// Local globals...
+//
-/*
- * Local functions...
- */
+static int job_canceled = 0; // Set to 1 on SIGTERM
+
+
+//
+// Local functions...
+//
static int call_backend(char *uri, int argc, char **argv,
char *tempfile);
static void sigterm_handler(int sig);
-/*
- * 'main()' - Browse for printers.
- */
+//
+// 'main()' - Browse for printers.
+//
-int /* O - Exit status */
-main(int argc, /* I - Number of command-line args */
- char *argv[]) { /* I - Command-line arguments */
+int // O - Exit status
+main(int argc, // I - Number of command-line args
+ char *argv[]) // I - Command-line arguments
+{
char *uri, *ptr, *filename;
char tmpfilename[1024], buf[8192];
int dd, att, delay, retval;
#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
- struct sigaction action; /* Actions for POSIX signals */
-#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+ struct sigaction action; // Actions for POSIX signals
+#endif // HAVE_SIGACTION && !HAVE_SIGSET
- /*
- * Don't buffer stderr, and catch SIGTERM...
- */
+ //
+ // Don't buffer stderr, and catch SIGTERM...
+ //
setbuf(stderr, NULL);
-#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
+#ifdef HAVE_SIGSET // Use System V signals over POSIX to avoid bugs
sigset(SIGTERM, sigterm_handler);
#elif defined(HAVE_SIGACTION)
memset(&action, 0, sizeof(action));
sigaction(SIGTERM, &action, NULL);
#else
signal(SIGTERM, sigterm_handler);
-#endif /* HAVE_SIGSET */
+#endif // HAVE_SIGSET
- /*
- * Check command-line...
- */
+ //
+ // Check command-line...
+ //
- if (argc == 1) {
+ if (argc == 1)
+ {
if ((ptr = strrchr(argv[0], '/')) != NULL)
ptr ++;
else
printf("network %s \"Unknown\" \"Backend Error Handler\"\n",
ptr);
return (CUPS_BACKEND_OK);
- } else if (argc < 6) {
+ }
+ else if (argc < 6)
+ {
fprintf(stderr,
"Usage: %s job-id user title copies options [file]\n",
argv[0]);
return (CUPS_BACKEND_FAILED);
}
- /*
- * Read out the parameters
- */
+ //
+ // Read out the parameters
+ //
uri = getenv("DEVICE_URI");
- if (!uri) {
+ if (!uri)
+ {
fprintf(stderr,
"ERROR: No device URI supplied!");
return (CUPS_BACKEND_FAILED);
}
ptr = strstr(uri, ":/");
- if (!ptr) goto bad_uri;
+ if (!ptr)
+ goto bad_uri;
ptr += 2;
if (*ptr == '0')
dd = 0;
else
goto bad_uri;
ptr ++;
- if (*ptr != '/') goto bad_uri;
+ if (*ptr != '/')
+ goto bad_uri;
ptr ++;
att = 0;
- while (isdigit(*ptr)) {
+ while (isdigit(*ptr))
+ {
att = att * 10 + (int)(*ptr) - 48;
ptr ++;
}
- if (*ptr != '/') goto bad_uri;
+ if (*ptr != '/')
+ goto bad_uri;
ptr ++;
delay = 0;
- while (isdigit(*ptr)) {
+ while (isdigit(*ptr))
+ {
delay = delay * 10 + (int)(*ptr) - 48;
ptr ++;
}
- if (*ptr != '/') goto bad_uri;
+ if (*ptr != '/')
+ goto bad_uri;
ptr ++;
fprintf(stderr,
"DEBUG: beh: Don't disable: %d; Attempts: %d; Delay: %d; Destination URI: %s\n",
dd, att, delay, ptr);
- /*
- * If reading from stdin, write everything into a temporary file
- */
+ //
+ // If reading from stdin, write everything into a temporary file
+ //
- if (argc == 6) {
+ if (argc == 6)
+ {
char *tmpdir;
int fd;
FILE *tmpfile;
tmpdir = "/tmp";
snprintf(tmpfilename, sizeof(tmpfilename), "%s/beh-XXXXXX", tmpdir);
fd = mkstemp(tmpfilename);
- if (fd < 0) {
+ if (fd < 0)
+ {
fprintf(stderr,
"ERROR: beh: Could not create temporary file: %s\n",
strerror(errno));
fclose(tmpfile);
filename = tmpfilename;
- } else {
+ }
+ else
+ {
tmpfilename[0] = '\0';
filename = argv[6];
}
- /*
- * Do it!
- */
+ //
+ // Do it!
+ //
while ((retval = call_backend(ptr, argc, argv, filename)) !=
CUPS_BACKEND_OK &&
- !job_canceled) {
- if (att > 0) {
+ !job_canceled)
+ {
+ if (att > 0)
+ {
att --;
if (att == 0)
break;
if (strlen(tmpfilename) > 0)
unlink(tmpfilename);
- /*
- * Return the exit value of the backend only if requested
- */
+ //
+ // Return the exit value of the backend only if requested
+ //
if (!dd)
return (retval);
else
return (CUPS_BACKEND_OK);
- /*
- * Error handling
- */
+ //
+ // Error handling
+ //
bad_uri:
}
-/*
- * 'call_backend()' - Execute the command line of the destination backend
- */
+//
+// 'call_backend()' - Execute the command line of the destination backend
+//
static int
-call_backend(char *uri, /* I - URI of final destination */
- int argc, /* I - Number of command line
- arguments */
- char **argv, /* I - Command-line arguments */
- char *filename) { /* I - File name of input data */
- const char *cups_serverbin; /* Location of programs */
- char scheme[1024], /* Scheme from URI */
- *ptr, /* Pointer into scheme */
- cmdline[65536]; /* Backend command line */
+call_backend(char *uri, // I - URI of final destination
+ int argc, // I - Number of command line
+ // arguments
+ char **argv, // I - Command-line arguments
+ char *filename) // I - File name of input data
+{
+ const char *cups_serverbin; // Location of programs
+ char scheme[1024], // Scheme from URI
+ *ptr, // Pointer into scheme
+ cmdline[65536]; // Backend command line
int retval;
- /*
- * Build the backend command line...
- */
+ //
+ // Build the backend command line...
+ //
strncpy(scheme, uri, sizeof(scheme) - 1);
if (strlen(uri) > 1023)
if ((cups_serverbin = getenv("CUPS_SERVERBIN")) == NULL)
cups_serverbin = CUPS_SERVERBIN;
- if (!strncasecmp(uri, "file:", 5) || uri[0] == '/') {
+ if (!strncasecmp(uri, "file:", 5) || uri[0] == '/')
+ {
fprintf(stderr,
"ERROR: beh: Direct output into a file not supported.\n");
exit (CUPS_BACKEND_FAILED);
- } else
+ }
+ else
snprintf(cmdline, sizeof(cmdline),
"%s/backend/%s '%s' '%s' '%s' '%s' '%s' %s",
cups_serverbin, scheme, argv[1], argv[2], argv[3],
- /* Apply number of copies only if beh was called with a
- file name and not with the print data in stdin, as
- backends should handle copies only if they are called
- with a file name */
+ // Apply number of copies only if beh was called with a
+ // file name and not with the print data in stdin, as
+ // backends should handle copies only if they are called
+ // with a file name
(argc == 6 ? "1" : argv[4]),
argv[5], filename);
- /*
- * Overwrite the device URI and run the actual backend...
- */
+ //
+ // Overwrite the device URI and run the actual backend...
+ //
setenv("DEVICE_URI", uri, 1);
}
-/*
- * 'sigterm_handler()' - Handle termination signals.
- */
+//
+// 'sigterm_handler()' - Handle termination signals.
+//
static void
-sigterm_handler(int sig) { /* I - Signal number (unused) */
+sigterm_handler(int sig) // I - Signal number (unused)
+{
(void)sig;
fprintf(stderr,
-/*
- * BRF (Braille-Ready Format) virtual backend
- *
- * Copyright (c) 2017 by Samuel Thibault <samuel.thibault@ens-lyon.org>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
+//
+// BRF (Braille-Ready Format) virtual backend
+//
+// Copyright (c) 2017 by Samuel Thibault <samuel.thibault@ens-lyon.org>
+//
+// Licensed under Apache License v2.0. See the file "LICENSE" for more
+// information.
+//
#include <cups/backend.h>
#include <string.h>
#include <sys/stat.h>
#include <pwd.h>
-int main(int argc, char *argv[]) {
+
+int
+main(int argc,
+ char *argv[])
+{
char *user;
char *dir;
char *title;
int ret;
int fd;
- if (setuid(0)) {
- /* We need to be root to be able to turn into another user. */
+ if (setuid(0))
+ {
+ // We need to be root to be able to turn into another user.
fprintf(stderr,"ERROR: cups-brf must be called as root\n");
- return CUPS_BACKEND_FAILED;
+ return (CUPS_BACKEND_FAILED);
}
- if (argc == 1) {
- /* This is just discovery. */
+ if (argc == 1)
+ {
+ // This is just discovery.
printf("file cups-brf:/ \"Virtual Braille BRF Printer\" \"CUPS-BRF\" \"MFG:Generic;MDL:CUPS-BRF Printer;DES:Generic CUPS-BRF Printer;CLS:PRINTER;CMD:BRF;\"\n");
- return CUPS_BACKEND_OK;
+ return (CUPS_BACKEND_OK);
}
- if (argc < 6) {
- /* Invalid number of parameters. */
+ if (argc < 6)
+ {
+ // Invalid number of parameters.
fprintf(stderr, "ERROR: cups-brf jobid user name nb options [filename]\n");
- return CUPS_BACKEND_FAILED;
+ return (CUPS_BACKEND_FAILED);
}
- if (argc == 7) {
- /* Explicit file name, open it. */
+ if (argc == 7)
+ {
+ // Explicit file name, open it.
char *filename = argv[6];
fd = open(filename, O_RDONLY);
if (dup2(fd, STDIN_FILENO) < 0) {
fprintf(stderr, "ERROR: opening file \"%s\"\n", filename);
- return CUPS_BACKEND_FAILED;
+ return (CUPS_BACKEND_FAILED);
}
}
- /* Now we have everything, turn into the user */
+ // Now we have everything, turn into the user
user = argv[2];
pw = getpwnam(user);
- if (pw == NULL) {
+ if (pw == NULL)
+ {
fprintf(stderr, "ERROR: getting user \"%s\" information\n", user);
- return CUPS_BACKEND_FAILED;
+ return (CUPS_BACKEND_FAILED);
}
- if (setgid(pw->pw_gid)) {
+ if (setgid(pw->pw_gid))
+ {
fprintf(stderr, "ERROR: turning gid into %u\n", pw->pw_gid);
- return CUPS_BACKEND_FAILED;
+ return (CUPS_BACKEND_FAILED);
}
- if (setuid(pw->pw_uid)) {
+ if (setuid(pw->pw_uid))
+ {
fprintf(stderr, "ERROR: turning uid into %u\n", pw->pw_uid);
- return CUPS_BACKEND_FAILED;
+ return (CUPS_BACKEND_FAILED);
}
- /* Now we act as user */
+ // Now we act as user
umask(0077);
- /* Create BRF directory in $HOME */
- if (asprintf(&dir, "%s/BRF", pw->pw_dir) < 0) {
+ // Create BRF directory in $HOME
+ if (asprintf(&dir, "%s/BRF", pw->pw_dir) < 0)
+ {
fprintf(stderr, "ERROR: could not allocate memory\n");
- return CUPS_BACKEND_FAILED;
+ return (CUPS_BACKEND_FAILED);
}
fprintf(stderr, "DEBUG: creating directory \"%s\n", dir);
ret = mkdir(dir, 0700);
- if (ret == -1 && errno != EEXIST) {
- fprintf(stderr, "ERROR: could not create directory \"%s\": %s\n", dir, strerror(errno));
- return CUPS_BACKEND_FAILED;
+ if (ret == -1 && errno != EEXIST)
+ {
+ fprintf(stderr, "ERROR: could not create directory \"%s\": %s\n",
+ dir, strerror(errno));
+ return (CUPS_BACKEND_FAILED);
}
- /* Avoid escaping from the directory */
+ // Avoid escaping from the directory
title = argv[3];
- for (c = title; *c; c++) {
+ for (c = title; *c; c++)
+ {
if (*c == '/')
*c = '_';
}
- /* Avoid hiding the file */
+ // Avoid hiding the file
while (*title == '.')
title++;
- /* Avoid empty title */
+ // Avoid empty title
if (!*title)
title = "unknown";
- /* generate mask */
- if (asprintf(&outfile, "%s/%s.XXXXXX.brf", dir, title) < 0) {
+ // generate mask
+ if (asprintf(&outfile, "%s/%s.XXXXXX.brf", dir, title) < 0)
+ {
fprintf(stderr, "ERROR: could not allocate memory\n");
- return CUPS_BACKEND_FAILED;
+ return (CUPS_BACKEND_FAILED);
}
- /* Create file */
+ // Create file
fprintf(stderr, "DEBUG: creating file \"%s\n", outfile);
fd = mkstemps(outfile, 4);
- if (fd < 0) {
- fprintf(stderr, "ERROR: could not create file \"%s\": %s\n", outfile, strerror(errno));
- return CUPS_BACKEND_FAILED;
+ if (fd < 0)
+ {
+ fprintf(stderr, "ERROR: could not create file \"%s\": %s\n",
+ outfile, strerror(errno));
+ return (CUPS_BACKEND_FAILED);
}
- /* We are all set, copy data. */
- while (1) {
- /* Read some. */
+ // We are all set, copy data.
+ while (1)
+ {
+ // Read some.
sizein = read(STDIN_FILENO, buffer, sizeof(buffer));
- if (sizein < 0) {
+ if (sizein < 0)
+ {
fprintf(stderr, "ERROR: while reading input: %s\n", strerror(errno));
- return CUPS_BACKEND_FAILED;
+ return (CUPS_BACKEND_FAILED);
}
if (sizein == 0)
- /* We are done! */
+ // We are done!
break;
- /* Write it. */
- for (done = 0; done < sizein; done += sizeout) {
+ // Write it.
+ for (done = 0; done < sizein; done += sizeout)
+ {
sizeout = write(fd, buffer + done, sizein - done);
- if (sizeout < 0) {
- fprintf(stderr, "ERROR: while writing to \"%s\": %s\n", outfile, strerror(errno));
- return CUPS_BACKEND_FAILED;
+ if (sizeout < 0)
+ {
+ fprintf(stderr, "ERROR: while writing to \"%s\": %s\n",
+ outfile, strerror(errno));
+ return (CUPS_BACKEND_FAILED);
}
}
}
- if (close(fd) < 0) {
- fprintf(stderr, "ERROR: while closing \"%s\": %s\n", outfile, strerror(errno));
- return CUPS_BACKEND_FAILED;
+ if (close(fd) < 0)
+ {
+ fprintf(stderr, "ERROR: while closing \"%s\": %s\n",
+ outfile, strerror(errno));
+ return (CUPS_BACKEND_FAILED);
}
- return CUPS_BACKEND_OK;
+ return (CUPS_BACKEND_OK);
}
-/*
- * implicitclass backend for implementing an implicit-class-like behavior
- * of redundant print servers managed by cups-browsed.
- *
- * Copyright 2015-2019 by Till Kamppeter
- * Copyright 2018-2019 by Deepak Patankar
- *
- * This is based on dnssd.c of CUPS
- * dnssd.c copyright notice is follows:
- *
- * Copyright 2008-2015 by Apple Inc.
- *
- * These coded instructions, statements, and computer programs are the
- * property of Apple Inc. and are protected by Federal copyright
- * law. Distribution and use rights are outlined in the file "COPYING"
- * which should have been included with this file.
- */
-
-/*
- * Include necessary headers.
- */
+//
+// implicitclass backend for implementing an implicit-class-like behavior
+// of redundant print servers managed by cups-browsed.
+//
+// Copyright 2015-2019 by Till Kamppeter
+// Copyright 2018-2019 by Deepak Patankar
+//
+// This is based on dnssd.c of CUPS
+// dnssd.c copyright notice is follows:
+//
+// Copyright 2008-2015 by Apple Inc.
+//
+// Licensed under Apache License v2.0. See the file "LICENSE" for more
+// information.
+//
+
+//
+// Include necessary headers.
+//
#include <config.h>
#include <cups/cups.h>
#include <ppd/ppd-filter.h>
#include <cupsfilters/ipp.h>
-/*
- * Local globals...
- */
-/* IPP Attribute which cups-browsed uses to tell us the destination queue for
- the current job */
-#define CUPS_BROWSED_DEST_PRINTER "cups-browsed-dest-printer"
+//
+// Local globals...
+//
-static int job_canceled = 0; /* Set to 1 on SIGTERM */
+// IPP Attribute which cups-browsed uses to tell us the destination queue for
+// the current job
+#define CUPS_BROWSED_DEST_PRINTER "cups-browsed-dest-printer"
-/*
- * Local functions...
- */
+static int job_canceled = 0; // Set to 1 on SIGTERM
-static void sigterm_handler(int sig);
-#if (CUPS_VERSION_MAJOR > 1) || (CUPS_VERSION_MINOR > 5)
-#define HAVE_CUPS_1_6 1
-#endif
-
-#ifndef HAVE_CUPS_1_6
-int
-ippGetInteger(ipp_attribute_t *attr,
- int element)
-{
- return (attr->values[element].integer);
-}
-#endif
+//
+// Local functions...
+//
+static void sigterm_handler(int sig);
-int /* O - Next delay value */
-next_delay(int current, /* I - Current delay value or 0 */
- int *previous) /* IO - Previous delay value */
-{
- int next; /* Next delay value */
- if (current > 0) {
- next = (current + *previous) % 12;
- *previous = next < current ? 0 : current;
- } else {
- next = 1;
- *previous = 0;
- }
- return (next);
-}
-/*
- * 'main()' - Browse for printers.
- */
+//
+// 'main()' - Browse for printers.
+//
-int /* O - Exit status */
-main(int argc, /* I - Number of command-line args */
- char *argv[]) /* I - Command-line arguments */
+int // O - Exit status
+main(int argc, // I - Number of command-line args
+ char *argv[]) // I - Command-line arguments
{
- const char *device_uri; /* URI with which we were called */
+ const char *device_uri; // URI with which we were called
char scheme[64], username[32], queue_name[1024], resource[32],
- printer_uri[1024],document_format[256],resolution[16];
+ printer_uri[1024], document_format[256], resolution[16];
int port, status;
const char *ptr1 = NULL;
- char *ptr2,*ptr3,*ptr4;
+ char *ptr2, *ptr3, *ptr4;
const char *job_id;
int i;
- char dest_host[1024]; /* Destination host */
+ char dest_host[1024]; // Destination host
ipp_t *request, *response;
ipp_attribute_t *attr;
char uri[HTTP_MAX_URI];
"printer-defaults"
};
#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
- struct sigaction action; /* Actions for POSIX signals */
-#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+ struct sigaction action; // Actions for POSIX signals
+#endif // HAVE_SIGACTION && !HAVE_SIGSET
- /*
- * Don't buffer stderr, and catch SIGTERM...
- */
+ //
+ // Don't buffer stderr, and catch SIGTERM...
+ //
setbuf(stderr, NULL);
-#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
+#ifdef HAVE_SIGSET // Use System V signals over POSIX to avoid bugs
sigset(SIGTERM, sigterm_handler);
#elif defined(HAVE_SIGACTION)
memset(&action, 0, sizeof(action));
sigaction(SIGTERM, &action, NULL);
#else
signal(SIGTERM, sigterm_handler);
-#endif /* HAVE_SIGSET */
+#endif // HAVE_SIGSET
- /*
- * Check command-line...
- */
+ //
+ // Check command-line...
+ //
- if (argc >= 6) {
- if ((device_uri = getenv("DEVICE_URI")) == NULL) {
+ if (argc >= 6)
+ {
+ if ((device_uri = getenv("DEVICE_URI")) == NULL)
+ {
if (!argv || !argv[0] || !strchr(argv[0], ':'))
return (-1);
&port,
resource, sizeof(resource));
if (status != HTTP_URI_STATUS_OK &&
- status != HTTP_URI_STATUS_UNKNOWN_SCHEME) {
+ status != HTTP_URI_STATUS_UNKNOWN_SCHEME)
+ {
fprintf(stderr, "ERROR: Incorrect device URI syntax: %s\n",
device_uri);
return (CUPS_BACKEND_STOP);
httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
"localhost", ippPort(), "/printers/%s", queue_name);
job_id = argv[1];
- for (i = 0; i < 120; i++) {
- /* Wait up to 60 sec for cups-browsed to supply the destination host */
- /* Try reading the option in which cups-browsed has deposited the
- destination host */
+ for (i = 0; i < 120; i++)
+ {
+ // Wait up to 60 sec for cups-browsed to supply the destination host
+ // Try reading the option in which cups-browsed has deposited the
+ // destination host
request = ippNewRequest(IPP_OP_GET_PRINTER_ATTRIBUTES);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL,
uri);
NULL)
goto failed;
for (attr = ippFirstAttribute(response); attr != NULL;
- attr = ippNextAttribute(response)) {
+ attr = ippNextAttribute(response))
+ {
while (attr != NULL && ippGetGroupTag(attr) != IPP_TAG_PRINTER)
attr = ippNextAttribute(response);
if (attr == NULL)
break;
ptr1 = NULL;
while (attr != NULL && ippGetGroupTag(attr) ==
- IPP_TAG_PRINTER) {
+ IPP_TAG_PRINTER)
+ {
if (!strcmp(ippGetName(attr),
CUPS_BROWSED_DEST_PRINTER "-default"))
ptr1 = ippGetString(attr, 0, NULL);
(ptr1 ? ptr1 : "Option not found"));
if (ptr1 == NULL)
goto failed;
- /* Destination host is between double quotes, as double quotes are
- illegal in host names one easily recognizes whether the option is
- complete and avoids accepting a partially written host name */
+ // Destination host is between double quotes, as double quotes are
+ // illegal in host names one easily recognizes whether the option is
+ // complete and avoids accepting a partially written host name
if (*ptr1 != '"')
goto failed;
ptr1 ++;
- /* Check whether option was set for this job, if not, keep waiting */
+ // Check whether option was set for this job, if not, keep waiting
if (strncmp(ptr1, job_id, strlen(job_id)) != 0)
goto failed;
ptr1 += strlen(job_id);
if (*ptr1 != ' ')
goto failed;
ptr1 ++;
- /* Read destination host name (or message) and check whether it is
- complete (second double quote) */
- if ((ptr2 = strchr(ptr1, '"')) != NULL) {
+ // Read destination host name (or message) and check whether it is
+ // complete (second double quote)
+ if ((ptr2 = strchr(ptr1, '"')) != NULL)
+ {
*ptr2 = '\0';
break;
}
failed:
- /* Pause half a second before next attempt */
+ // Pause half a second before next attempt
usleep(500000);
}
- if (i >= 120) {
- /* Timeout, no useful data from cups-browsed received */
+ if (i >= 120)
+ {
+ // Timeout, no useful data from cups-browsed received
fprintf(stderr, "ERROR: No destination host name supplied by cups-browsed for printer \"%s\", is cups-browsed running?\n",
queue_name);
return (CUPS_BACKEND_STOP);
}
- strncpy(dest_host,ptr1,sizeof(dest_host) - 1);
- if (!strcmp(dest_host, "NO_DEST_FOUND")) {
- /* All remote queues are either disabled or not accepting jobs, let
- CUPS retry after the usual interval */
- fprintf(stderr, "ERROR: No suitable destination host found by cups-browsed.\n");
+ strncpy(dest_host, ptr1, sizeof(dest_host) - 1);
+ if (!strcmp(dest_host, "NO_DEST_FOUND"))
+ {
+ // All remote queues are either disabled or not accepting jobs, let
+ // CUPS retry after the usual interval
+ fprintf(stderr,
+ "ERROR: No suitable destination host found by cups-browsed.\n");
return (CUPS_BACKEND_RETRY);
- } else if (!strcmp(dest_host, "ALL_DESTS_BUSY")) {
- /* We queue on the client and all remote queues are busy, so we wait
- 5 sec and check again then */
- fprintf(stderr, "DEBUG: No free destination host found by cups-browsed, retrying in 5 sec.\n");
+ }
+ else if (!strcmp(dest_host, "ALL_DESTS_BUSY"))
+ {
+ // We queue on the client and all remote queues are busy, so we wait
+ // 5 sec and check again then
+ fprintf(stderr,
+ "DEBUG: No free destination host found by cups-browsed, retrying in 5 sec.\n");
sleep(5);
return (CUPS_BACKEND_RETRY_CURRENT);
- } else {
- /* We have the destination host name now, do the job */
+ }
+ else
+ {
+ // We have the destination host name now, do the job
char *title;
int num_options = 0;
cups_option_t *options = NULL;
cf_filter_universal_parameter_t universal_parameters;
cf_filter_external_t ipp_backend_params;
cf_filter_filter_in_chain_t universal_in_chain,
- ipp_in_chain;
+ ipp_in_chain;
cups_array_t *filter_chain;
int retval;
- fprintf(stderr, "DEBUG: Received destination host name from cups-browsed: printer-uri %s\n",
+ fprintf(stderr,
+ "DEBUG: Received destination host name from cups-browsed: printer-uri %s\n",
ptr1);
- /* Parse the command line options and prepare them for the new print
- job */
+ // Parse the command line options and prepare them for the new print
+ // job
cupsSetUser(argv[2]);
title = argv[3];
- if (title == NULL) {
- if (argc == 7) {
+ if (title == NULL)
+ {
+ if (argc == 7)
+ {
if ((title = strrchr(argv[6], '/')) != NULL)
title ++;
else
title = argv[6];
- } else
+ }
+ else
title = "(stdin)";
}
num_options = cupsAddOption("copies", argv[4], num_options, &options);
if (argc == 7)
fd = open(argv[6], O_RDONLY);
else
- fd = 0; /* stdin */
+ fd = 0; // stdin
- /* Finding the document format in which the pdftoippprinter will
- convert the pdf file */
- if ((ptr3 = strchr(ptr1, ' ')) != NULL) {
- *ptr3='\0';
+ // Finding the document format in which the pdftoippprinter will
+ // convert the pdf file
+ if ((ptr3 = strchr(ptr1, ' ')) != NULL)
+ {
+ *ptr3 = '\0';
ptr3++;
}
- /* Finding the resolution requested for the job */
- if ((ptr4 = strchr(ptr3, ' ')) != NULL) {
- *ptr4='\0';
+ // Finding the resolution requested for the job
+ if ((ptr4 = strchr(ptr3, ' ')) != NULL)
+ {
+ *ptr4 = '\0';
ptr4++;
}
strncpy(document_format, ptr3, sizeof(document_format) - 1);
strncpy(resolution, ptr4, sizeof(resolution) - 1);
- fprintf(stderr,"DEBUG: Received job for the printer with the destination uri - %s, Final-document format for the printer - %s and requested resolution - %s\n",
+ fprintf(stderr,
+ "DEBUG: Received job for the printer with the destination uri - %s, Final-document format for the printer - %s and requested resolution - %s\n",
printer_uri, document_format, resolution);
- /* Adjust option list for the cfFilterUniversal() filter function call */
+ // Adjust option list for the cfFilterUniversal() filter function call
num_options = cupsAddOption("Resolution", resolution,
num_options, &options);
num_options = cupsRemoveOption("cups-browsed-dest-printer",
num_options = cupsRemoveOption("cups-browsed",
num_options, &options);
- /* Set up filter data record to be used by the filter functions to
- process the job */
+ // Set up filter data record to be used by the filter functions to
+ // process the job
filter_data.printer = printer_uri;
filter_data.job_id = atoi(argv[1]);
filter_data.job_user = argv[2];
filter_data.copies = atoi(argv[4]);
filter_data.content_type = "application/vnd.cups-pdf";
filter_data.final_content_type = document_format;
- filter_data.job_attrs = NULL; /* We use command line options */
+ filter_data.job_attrs = NULL; // We use command line options
filter_data.printer_attrs =
cfGetPrinterAttributes4(printer_uri, NULL, 0, NULL, 0, 1, 0);
- /* Poll the printer attributes from
- the printer */
+ // Poll the printer attributes from
+ // the printer
filter_data.num_options = num_options;
- filter_data.options = options; /* Command line options from 5th
- arg */
+ filter_data.options = options; // Command line options from 5th
+ // arg
filter_data.extension = NULL;
filter_data.back_pipe[0] = -1;
filter_data.back_pipe[1] = -1;
filter_data.side_pipe[0] = -1;
filter_data.side_pipe[1] = -1;
- filter_data.logfunc = cfCUPSLogFunc; /* Logging scheme of CUPS */
+ filter_data.logfunc = cfCUPSLogFunc; // Logging scheme of CUPS
filter_data.logdata = NULL;
- filter_data.iscanceledfunc = cfCUPSIsCanceledFunc; /* Job-is-canceled
- function */
+ filter_data.iscanceledfunc = cfCUPSIsCanceledFunc; // Job-is-canceled
+ // function
filter_data.iscanceleddata = &job_canceled;
- /* If the polling of the printer's IPP attributes has failed, it
- means most probably that it is not a driverless IPP printer
- (IPP 2.x) but a legacy IPP printer (IPP 1.x) which usually
- has unsufficient capability info. Therefore we fall back to
- the PPD file here which contains some info from the printer's
- DNS-SD record.
-
- If we have successfully polled the IPP attributes from the
- printer, these attributes are the most precise printer
- capability info and as the queue's PPD is only for the
- cluster we prefer the IPP attributes. */
+ // If the polling of the printer's IPP attributes has failed, it
+ // means most probably that it is not a driverless IPP printer
+ // (IPP 2.x) but a legacy IPP printer (IPP 1.x) which usually
+ // has unsufficient capability info. Therefore we fall back to
+ // the PPD file here which contains some info from the printer's
+ // DNS-SD record.
+ //
+ // If we have successfully polled the IPP attributes from the
+ // printer, these attributes are the most precise printer
+ // capability info and as the queue's PPD is only for the
+ // cluster we prefer the IPP attributes.
if (filter_data.printer_attrs == NULL &&
ppdFilterLoadPPDFile(&filter_data, getenv("PPD")) < 0)
{
ippDelete(response);
- fprintf(stderr, "ERROR: Unable to get sufficient capability info of the destination printer.\n");
+ fprintf(stderr,
+ "ERROR: Unable to get sufficient capability info of the destination printer.\n");
return (CUPS_BACKEND_FAILED);
}
cfFilterOpenBackAndSidePipes(&filter_data);
- /* Parameters for cfFilterUniversal() call */
+ // Parameters for cfFilterUniversal() call
universal_parameters.actual_output_type = NULL;
memset(&(universal_parameters.texttopdf_params), 0,
sizeof(cf_filter_texttopdf_parameter_t));
- /* Parameters for cfFilterExternalCUPS() call for IPP backend */
+ // Parameters for cfFilterExternalCUPS() call for IPP backend
ipp_backend_params.filter = "ipp";
ipp_backend_params.exec_mode = 1;
ipp_backend_params.num_options = 0;
ipp_backend_params.envp = NULL;
cfFilterAddEnvVar("DEVICE_URI", printer_uri, &ipp_backend_params.envp);
- /* Filter chain entry for the ppdFilterUniversal() filter function call */
+ // Filter chain entry for the ppdFilterUniversal() filter function call
universal_in_chain.function = ppdFilterUniversal;
universal_in_chain.parameters = &universal_parameters;
universal_in_chain.name = "Filters";
- /* Filter chain entry for the IPP CUPS backend call */
+ // Filter chain entry for the IPP CUPS backend call
ipp_in_chain.function = ppdFilterExternalCUPS;
ipp_in_chain.parameters = &ipp_backend_params;
ipp_in_chain.name = "Backend";
cupsArrayAdd(filter_chain, &universal_in_chain);
cupsArrayAdd(filter_chain, &ipp_in_chain);
- /* DEVICE_URI environment variable */
+ // DEVICE_URI environment variable
setenv("DEVICE_URI", printer_uri, 1);
- /* FINAL_CONTENT_TYPE environment variable */
+ // FINAL_CONTENT_TYPE environment variable
setenv("FINAL_CONTENT_TYPE", document_format, 1);
- /* We call the IPP CUPS backend at the end of the chain, so we have
- no output */
+ // We call the IPP CUPS backend at the end of the chain, so we have
+ // no output
nullfd = open("/dev/null", O_WRONLY);
- /* Call the filter chain to run the needed filters and the backend */
+ // Call the filter chain to run the needed filters and the backend
retval = cfFilterChain(fd, nullfd, fd != 0 ? 1 : 0, &filter_data,
filter_chain);
cfFilterCloseBackAndSidePipes(&filter_data);
- /* Clean up */
+ // Clean up
if (ipp_backend_params.envp)
{
for (i = 0; ipp_backend_params.envp[i]; i ++)
ppdFilterFreePPDFile(&filter_data);
- if (retval) {
+ if (retval)
+ {
fprintf(stderr, "ERROR: Job processing failed.\n");
return (CUPS_BACKEND_FAILED);
}
}
- } else if (argc != 1) {
+ }
+ else if (argc != 1)
+ {
fprintf(stderr,
"Usage: %s job-id user title copies options [file]\n",
argv[0]);
return (CUPS_BACKEND_FAILED);
}
- /*
- * No discovery mode at all for this backend
- */
+ //
+ // No discovery mode at all for this backend
+ //
return (CUPS_BACKEND_OK);
}
-/*
- * 'sigterm_handler()' - Handle termination signals.
- */
+//
+// 'sigterm_handler()' - Handle termination signals.
+//
static void
-sigterm_handler(int sig) /* I - Signal number (unused) */
+sigterm_handler(int sig) // I - Signal number (unused)
{
(void)sig;
-/*
- * Parallel port backend for OpenPrinting CUPS Filters.
- *
- * Copyright 2007-2011 by Apple Inc.
- * Copyright 1997-2007 by Easy Software Products, all rights reserved.
- *
- * These coded instructions, statements, and computer programs are the
- * property of Apple Inc. and are protected by Federal copyright
- * law. Distribution and use rights are outlined in the file "COPYING"
- * which should have been included with this file.
- *
- * Contents:
- *
- * main() - Send a file to the specified parallel port.
- * drain_output() - Drain pending print data to the device.
- * list_devices() - List all parallel devices.
- * run_loop() - Read and write print and back-channel data.
- * side_cb() - Handle side-channel requests...
- */
-
-/*
- * Include necessary headers.
- */
+//
+// Parallel port backend for cups-filters.
+//
+// Copyright 2007-2011 by Apple Inc.
+// Copyright 1997-2007 by Easy Software Products, all rights reserved.
+//
+// Licensed under Apache License v2.0. See the file "LICENSE" for more
+// information.
+//
+// Contents:
+//
+// main() - Send a file to the specified parallel port.
+// drain_output() - Drain pending print data to the device.
+// list_devices() - List all parallel devices.
+// run_loop() - Read and write print and back-channel data.
+// side_cb() - Handle side-channel requests...
+//
+
+//
+// Include necessary headers.
+//
#include <cupsfilters/ieee1284.h>
#include <unistd.h>
#include <sys/socket.h>
-/*
- * Local functions...
- */
+//
+// Local functions...
+//
static int drain_output(int print_fd, int device_fd);
static void list_devices(void);
static int side_cb(int print_fd, int device_fd, int use_bc);
-/*
- * 'main()' - Send a file to the specified parallel port.
- *
- * Usage:
- *
- * printer-uri job-id user title copies options [file]
- */
+//
+// 'main()' - Send a file to the specified parallel port.
+//
+// Usage:
+//
+// printer-uri job-id user title copies options [file]
+//
-int /* O - Exit status */
-main(int argc, /* I - Number of command-line arguments (6 or 7) */
- char *argv[]) /* I - Command-line arguments */
+int // O - Exit status
+main(int argc, // I - Number of command-line arguments
+ // (6 or 7)
+ char *argv[]) // I - Command-line arguments
{
- char method[255], /* Method in URI */
- hostname[1024], /* Hostname */
- username[255], /* Username info (not used) */
- resource[1024], /* Resource info (device and options) */
- *options; /* Pointer to options */
- int port; /* Port number (not used) */
- int print_fd, /* Print file */
- device_fd, /* Parallel device */
- use_bc; /* Read back-channel data? */
- int copies; /* Number of copies to print */
- ssize_t tbytes; /* Total number of bytes written */
- struct termios opts; /* Parallel port options */
+ char method[255], // Method in URI
+ hostname[1024], // Hostname
+ username[255], // Username info (not used)
+ resource[1024], // Resource info (device and options)
+ *options; // Pointer to options
+ int port; // Port number (not used)
+ int print_fd, // Print file
+ device_fd, // Parallel device
+ use_bc; // Read back-channel data?
+ int copies; // Number of copies to print
+ ssize_t tbytes; // Total number of bytes written
+ struct termios opts; // Parallel port options
#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
- struct sigaction action; /* Actions for POSIX signals */
-#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+ struct sigaction action; // Actions for POSIX signals
+#endif // HAVE_SIGACTION && !HAVE_SIGSET
- /*
- * Make sure status messages are not buffered...
- */
+ //
+ // Make sure status messages are not buffered...
+ //
setbuf(stderr, NULL);
- /*
- * Ignore SIGPIPE signals...
- */
+ //
+ // Ignore SIGPIPE signals...
+ //
#ifdef HAVE_SIGSET
sigset(SIGPIPE, SIG_IGN);
sigaction(SIGPIPE, &action, NULL);
#else
signal(SIGPIPE, SIG_IGN);
-#endif /* HAVE_SIGSET */
+#endif // HAVE_SIGSET
- /*
- * Check command-line...
- */
+ //
+ // Check command-line...
+ //
if (argc == 1)
{
return (CUPS_BACKEND_FAILED);
}
- /*
- * If we have 7 arguments, print the file named on the command-line.
- * Otherwise, send stdin instead...
- */
+ //
+ // If we have 7 arguments, print the file named on the command-line.
+ // Otherwise, send stdin instead...
+ //
if (argc == 6)
{
}
else
{
- /*
- * Try to open the print file...
- */
+ //
+ // Try to open the print file...
+ //
if ((print_fd = open(argv[6], O_RDONLY)) < 0)
{
copies = atoi(argv[4]);
}
- /*
- * Extract the device name and options from the URI...
- */
+ //
+ // Extract the device name and options from the URI...
+ //
httpSeparateURI(HTTP_URI_CODING_ALL, cupsBackendDeviceURI(argv),
method, sizeof(method), username, sizeof(username),
hostname, sizeof(hostname), &port,
resource, sizeof(resource));
- /*
- * See if there are any options...
- */
+ //
+ // See if there are any options...
+ //
if ((options = strchr(resource, '?')) != NULL)
{
- /*
- * Yup, terminate the device name string and move to the first
- * character of the options...
- */
+ //
+ // Yup, terminate the device name string and move to the first
+ // character of the options...
+ //
*options++ = '\0';
}
- /*
- * Open the parallel port device...
- */
+ //
+ // Open the parallel port device...
+ //
fputs("STATE: +connecting-to-device\n", stderr);
do
{
#if defined(__linux) || defined(__FreeBSD__)
- /*
- * The Linux and FreeBSD parallel port drivers currently are broken WRT
- * select() and bidirection I/O...
- */
+ //
+ // The Linux and FreeBSD parallel port drivers currently are broken WRT
+ // select() and bidirection I/O...
+ //
device_fd = open(resource, O_WRONLY | O_EXCL);
use_bc = 0;
}
else
use_bc = 1;
-#endif /* __linux || __FreeBSD__ */
+#endif // __linux || __FreeBSD__
if (device_fd == -1)
{
if (getenv("CLASS") != NULL)
{
- /*
- * If the CLASS environment variable is set, the job was submitted
- * to a class and not to a specific queue. In this case, we want
- * to abort immediately so that the job can be requeued on the next
- * available printer in the class.
- */
+ //
+ // If the CLASS environment variable is set, the job was submitted
+ // to a class and not to a specific queue. In this case, we want
+ // to abort immediately so that the job can be requeued on the next
+ // available printer in the class.
+ //
fputs("INFO: Unable to contact printer, queuing on next printer in "
"class.\n", stderr);
- /*
- * Sleep 5 seconds to keep the job from requeuing too rapidly...
- */
+ //
+ // Sleep 5 seconds to keep the job from requeuing too rapidly...
+ //
sleep(5);
fputs("STATE: -connecting-to-device\n", stderr);
- /*
- * Set any options provided...
- */
+ //
+ // Set any options provided...
+ //
tcgetattr(device_fd, &opts);
- opts.c_lflag &= ~(ICANON | ECHO | ISIG); /* Raw mode */
+ opts.c_lflag &= ~(ICANON | ECHO | ISIG); // Raw mode
- /**** No options supported yet ****/
+ // **** No options supported yet ****
tcsetattr(device_fd, TCSANOW, &opts);
- /*
- * Finally, send the print file...
- */
+ //
+ // Finally, send the print file...
+ //
tbytes = 0;
fputs("INFO: Print file sent.\n", stderr);
}
- /*
- * Close the socket connection and input file and return...
- */
+ //
+ // Close the socket connection and input file and return...
+ //
close(device_fd);
}
-/*
- * 'drain_output()' - Drain pending print data to the device.
- */
+//
+// 'drain_output()' - Drain pending print data to the device.
+//
-static int /* O - 0 on success, -1 on error */
-drain_output(int print_fd, /* I - Print file descriptor */
- int device_fd) /* I - Device file descriptor */
+static int // O - 0 on success, -1 on error
+drain_output(int print_fd, // I - Print file descriptor
+ int device_fd) // I - Device file descriptor
{
- int nfds; /* Maximum file descriptor value + 1 */
- fd_set input; /* Input set for reading */
- ssize_t print_bytes, /* Print bytes read */
- bytes; /* Bytes written */
- char print_buffer[8192], /* Print data buffer */
- *print_ptr; /* Pointer into print data buffer */
- struct timeval timeout; /* Timeout for read... */
+ int nfds; // Maximum file descriptor value + 1
+ fd_set input; // Input set for reading
+ ssize_t print_bytes, // Print bytes read
+ bytes; // Bytes written
+ char print_buffer[8192], // Print data buffer
+ *print_ptr; // Pointer into print data buffer
+ struct timeval timeout; // Timeout for read...
- /*
- * Figure out the maximum file descriptor value to use with select()...
- */
+ //
+ // Figure out the maximum file descriptor value to use with select()...
+ //
nfds = (print_fd > device_fd ? print_fd : device_fd) + 1;
- /*
- * Now loop until we are out of data from print_fd...
- */
+ //
+ // Now loop until we are out of data from print_fd...
+ //
for (;;)
{
- /*
- * Use select() to determine whether we have data to copy around...
- */
+ //
+ // Use select() to determine whether we have data to copy around...
+ //
FD_ZERO(&input);
FD_SET(print_fd, &input);
if ((print_bytes = read(print_fd, print_buffer,
sizeof(print_buffer))) < 0)
{
- /*
- * Read error - bail if we don't see EAGAIN or EINTR...
- */
+ //
+ // Read error - bail if we don't see EAGAIN or EINTR...
+ //
if (errno != EAGAIN && errno != EINTR)
{
}
else if (print_bytes == 0)
{
- /*
- * End of file, return...
- */
+ //
+ // End of file, return...
+ //
return (0);
}
{
if ((bytes = write(device_fd, print_ptr, print_bytes)) < 0)
{
- /*
- * Write error - bail if we don't see an error we can retry...
- */
+ //
+ // Write error - bail if we don't see an error we can retry...
+ //
if (errno != ENOSPC && errno != ENXIO && errno != EAGAIN &&
errno != EINTR && errno != ENOTTY)
}
-/*
- * 'list_devices()' - List all parallel devices.
- */
+//
+// 'list_devices()' - List all parallel devices.
+//
static void
list_devices(void)
{
#ifdef __sun
static char *funky_hex = "0123456789abcdefghijklmnopqrstuvwxyz";
- /* Funky hex numbering used for some devices */
-#endif /* __sun */
+ // Funky hex numbering used for some devices
+#endif // __sun
#ifdef __linux
- int i; /* Looping var */
- int fd; /* File descriptor */
- char device[512], /* Device filename */
- basedevice[255], /* Base device filename for ports */
- device_id[1024], /* Device ID string */
- make_model[1024], /* Make and model */
- info[2048], /* Info string */
- uri[1024]; /* Device URI */
+ int i; // Looping var
+ int fd; // File descriptor
+ char device[512], // Device filename
+ basedevice[255], // Base device filename for ports
+ device_id[1024], // Device ID string
+ make_model[1024], // Make and model
+ info[2048], // Info string
+ uri[1024]; // Device URI
if (!access("/dev/parallel/", 0))
for (i = 0; i < 4; i ++)
{
- /*
- * Open the port, if available...
- */
+ //
+ // Open the port, if available...
+ //
sprintf(device, "%s%d", basedevice, i);
if ((fd = open(device, O_RDWR | O_EXCL)) < 0)
if (fd >= 0)
{
- /*
- * Now grab the IEEE 1284 device ID string...
- */
+ //
+ // Now grab the IEEE 1284 device ID string...
+ //
snprintf(uri, sizeof(uri), "parallel:%s", device);
}
}
#elif defined(__sun)
- int i, j, n; /* Looping vars */
- char device[255]; /* Device filename */
+ int i, j, n; // Looping vars
+ char device[255]; // Device filename
- /*
- * Standard parallel ports...
- */
+ //
+ // Standard parallel ports...
+ //
for (i = 0; i < 10; i ++)
{
device, i + 1);
}
- /*
- * MAGMA parallel ports...
- */
+ //
+ // MAGMA parallel ports...
+ //
for (i = 0; i < 40; i ++)
{
device, (i / 10) + 1, (i % 10) + 1);
}
- /*
- * Central Data parallel ports...
- */
+ //
+ // Central Data parallel ports...
+ //
for (i = 0; i < 9; i ++)
for (j = 0; j < 8; j ++)
for (n = 0; n < 32; n ++)
{
- if (i == 8) /* EtherLite */
+ if (i == 8) // EtherLite
sprintf(device, "/dev/sts/lpN%d%c", j, funky_hex[n]);
else
sprintf(device, "/dev/sts/lp%c%d%c", i + 'C', j,
}
}
#elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
- int i; /* Looping var */
- int fd; /* File descriptor */
- char device[255]; /* Device filename */
+ int i; // Looping var
+ int fd; // File descriptor
+ char device[255]; // Device filename
for (i = 0; i < 3; i ++)
}
-/*
- * 'run_loop()' - Read and write print and back-channel data.
- */
+//
+// 'run_loop()' - Read and write print and back-channel data.
+//
-static ssize_t /* O - Total bytes on success, -1 on error */
-run_loop(int print_fd, /* I - Print file descriptor */
- int device_fd, /* I - Device file descriptor */
- int use_bc, /* I - Use back-channel? */
- int update_state) /* I - Update printer-state-reasons? */
+static ssize_t // O - Total bytes on success, -1 on error
+run_loop(int print_fd, // I - Print file descriptor
+ int device_fd, // I - Device file descriptor
+ int use_bc, // I - Use back-channel?
+ int update_state) // I - Update printer-state-reasons?
{
- int nfds; /* Maximum file descriptor value + 1 */
- fd_set input, /* Input set for reading */
- output; /* Output set for writing */
- ssize_t print_bytes, /* Print bytes read */
- bc_bytes, /* Backchannel bytes read */
- total_bytes, /* Total bytes written */
- bytes; /* Bytes written */
- int paperout; /* "Paper out" status */
- int offline; /* "Off-line" status */
- char print_buffer[8192], /* Print data buffer */
- *print_ptr, /* Pointer into print data buffer */
- bc_buffer[1024]; /* Back-channel data buffer */
- struct timeval timeout; /* Timeout for select() */
- int sc_ok; /* Flag a side channel error and
- stop using the side channel
- in such a case. */
+ int nfds; // Maximum file descriptor value + 1
+ fd_set input, // Input set for reading
+ output; // Output set for writing
+ ssize_t print_bytes, // Print bytes read
+ bc_bytes, // Backchannel bytes read
+ total_bytes, // Total bytes written
+ bytes; // Bytes written
+ int paperout; // "Paper out" status
+ int offline; // "Off-line" status
+ char print_buffer[8192], // Print data buffer
+ *print_ptr, // Pointer into print data buffer
+ bc_buffer[1024]; // Back-channel data buffer
+ struct timeval timeout; // Timeout for select()
+ int sc_ok; // Flag a side channel error and
+ // stop using the side channel
+ // in such a case.
#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
- struct sigaction action; /* Actions for POSIX signals */
-#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+ struct sigaction action; // Actions for POSIX signals
+#endif // HAVE_SIGACTION && !HAVE_SIGSET
- /*
- * If we are printing data from a print driver on stdin, ignore SIGTERM
- * so that the driver can finish out any page data, e.g. to eject the
- * current page. We only do this for stdin printing as otherwise there
- * is no way to cancel a raw print job...
- */
+ //
+ // If we are printing data from a print driver on stdin, ignore SIGTERM
+ // so that the driver can finish out any page data, e.g. to eject the
+ // current page. We only do this for stdin printing as otherwise there
+ // is no way to cancel a raw print job...
+ //
if (!print_fd)
{
-#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
+#ifdef HAVE_SIGSET // Use System V signals over POSIX to avoid bugs
sigset(SIGTERM, SIG_IGN);
#elif defined(HAVE_SIGACTION)
memset(&action, 0, sizeof(action));
sigaction(SIGTERM, &action, NULL);
#else
signal(SIGTERM, SIG_IGN);
-#endif /* HAVE_SIGSET */
+#endif // HAVE_SIGSET
}
else if (print_fd < 0)
{
- /*
- * Copy print data from stdin, but don't mess with the signal handlers...
- */
+ //
+ // Copy print data from stdin, but don't mess with the signal handlers...
+ //
print_fd = 0;
}
- /*
- * Figure out the maximum file descriptor value to use with select()...
- */
+ //
+ // Figure out the maximum file descriptor value to use with select()...
+ //
nfds = (print_fd > device_fd ? print_fd : device_fd) + 1;
- /*
- * Side channel is OK...
- */
+ //
+ // Side channel is OK...
+ //
sc_ok = 1;
- /*
- * Now loop until we are out of data from print_fd...
- */
+ //
+ // Now loop until we are out of data from print_fd...
+ //
for (print_bytes = 0, print_ptr = print_buffer, offline = -1,
- paperout = -1, total_bytes = 0;;)
+ paperout = -1, total_bytes = 0;;)
{
- /*
- * Use select() to determine whether we have data to copy around...
- */
+ //
+ // Use select() to determine whether we have data to copy around...
+ //
FD_ZERO(&input);
if (!print_bytes)
if (select(nfds, &input, &output, NULL, &timeout) < 0)
{
- /*
- * Pause printing to clear any pending errors...
- */
+ //
+ // Pause printing to clear any pending errors...
+ //
if (errno == ENXIO && offline != 1 && update_state)
{
continue;
}
- /*
- * Check if we have a side-channel request ready...
- */
+ //
+ // Check if we have a side-channel request ready...
+ //
if (sc_ok && FD_ISSET(CUPS_SC_FD, &input))
{
- /*
- * Do the side-channel request, then start back over in the select
- * loop since it may have read from print_fd...
- *
- * If the side channel processing errors, go straight on to avoid
- * blocking of the backend by side channel problems, deactivate the side
- * channel.
- */
+ //
+ // Do the side-channel request, then start back over in the select
+ // loop since it may have read from print_fd...
+ //
+ // If the side channel processing errors, go straight on to avoid
+ // blocking of the backend by side channel problems, deactivate the side
+ // channel.
+ //
if (side_cb(print_fd, device_fd, use_bc))
sc_ok = 0;
continue;
}
- /*
- * Check if we have back-channel data ready...
- */
+ //
+ // Check if we have back-channel data ready...
+ //
if (FD_ISSET(device_fd, &input))
{
use_bc = 0;
}
- /*
- * Check if we have print data ready...
- */
+ //
+ // Check if we have print data ready...
+ //
if (FD_ISSET(print_fd, &input))
{
if ((print_bytes = read(print_fd, print_buffer,
sizeof(print_buffer))) < 0)
{
- /*
- * Read error - bail if we don't see EAGAIN or EINTR...
- */
+ //
+ // Read error - bail if we don't see EAGAIN or EINTR...
+ //
if (errno != EAGAIN && errno != EINTR)
{
}
else if (print_bytes == 0)
{
- /*
- * End of file, break out of the loop...
- */
+ //
+ // End of file, break out of the loop...
+ //
break;
}
(int)print_bytes);
}
- /*
- * Check if the device is ready to receive data and we have data to
- * send...
- */
+ //
+ // Check if the device is ready to receive data and we have data to
+ // send...
+ //
if (print_bytes && FD_ISSET(device_fd, &output))
{
if ((bytes = write(device_fd, print_ptr, print_bytes)) < 0)
{
- /*
- * Write error - bail if we don't see an error we can retry...
- */
+ //
+ // Write error - bail if we don't see an error we can retry...
+ //
if (errno == ENOSPC)
{
}
}
- /*
- * Return with success...
- */
+ //
+ // Return with success...
+ //
return (total_bytes);
}
-/*
- * 'side_cb()' - Handle side-channel requests...
- */
+//
+// 'side_cb()' - Handle side-channel requests...
+//
-static int /* O - 0 on success, -1 on error */
-side_cb(int print_fd, /* I - Print file */
- int device_fd, /* I - Device file */
- int use_bc) /* I - Using back-channel? */
+static int // O - 0 on success, -1 on error
+side_cb(int print_fd, // I - Print file
+ int device_fd, // I - Device file
+ int use_bc) // I - Using back-channel?
{
- cups_sc_command_t command; /* Request command */
- cups_sc_status_t status; /* Request/response status */
- char data[2048]; /* Request/response data */
- int datalen; /* Request/response data size */
+ cups_sc_command_t command; // Request command
+ cups_sc_status_t status; // Request/response status
+ char data[2048]; // Request/response data
+ int datalen; // Request/response data size
datalen = sizeof(data);
-/*
- * Serial port backend for CUPS.
- *
- * Copyright 2007-2011 by Apple Inc.
- * Copyright 1997-2007 by Easy Software Products, all rights reserved.
- *
- * These coded instructions, statements, and computer programs are the
- * property of Apple Inc. and are protected by Federal copyright
- * law. Distribution and use rights are outlined in the file "COPYING"
- * which should have been included with this file.
- *
- * Contents:
- *
- * main() - Send a file to the printer or server.
- * list_devices() - List all serial devices.
- * side_cb() - Handle side-channel requests...
- */
-
-/*
- * Include necessary headers.
- */
+//
+// Serial port backend for cups-filters.
+//
+// Copyright 2007-2011 by Apple Inc.
+// Copyright 1997-2007 by Easy Software Products, all rights reserved.
+//
+// Licensed under Apache License v2.0. See the file "LICENSE" for more
+// information.
+//
+// Contents:
+//
+// main() - Send a file to the printer or server.
+// list_devices() - List all serial devices.
+// side_cb() - Handle side-channel requests...
+//
+
+//
+// Include necessary headers.
+//
#include <config.h>
#include <cups/cups.h>
#include <sys/select.h>
#ifdef HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
-#endif /* HAVE_SYS_IOCTL_H */
+#endif // HAVE_SYS_IOCTL_H
#ifndef CRTSCTS
# ifdef CNEW_RTSCTS
# define CRTSCTS CNEW_RTSCTS
# else
# define CRTSCTS 0
-# endif /* CNEW_RTSCTS */
-#endif /* !CRTSCTS */
+# endif // CNEW_RTSCTS
+#endif // !CRTSCTS
#if defined(__APPLE__)
# include <CoreFoundation/CoreFoundation.h>
# include <IOKit/IOKitLib.h>
# include <IOKit/serial/IOSerialKeys.h>
# include <IOKit/IOBSD.h>
-#endif /* __APPLE__ */
+#endif // __APPLE__
#if defined(__linux) && defined(TIOCGSERIAL)
# include <linux/serial.h>
# include <linux/ioctl.h>
-#endif /* __linux && TIOCGSERIAL */
+#endif // __linux && TIOCGSERIAL
-/*
- * Local functions...
- */
+//
+// Local functions...
+//
static int drain_output(int print_fd, int device_fd);
static void list_devices(void);
static int side_cb(int print_fd, int device_fd, int use_bc);
-/*
- * 'main()' - Send a file to the printer or server.
- *
- * Usage:
- *
- * printer-uri job-id user title copies options [file]
- */
+//
+// 'main()' - Send a file to the printer or server.
+//
+// Usage:
+//
+// printer-uri job-id user title copies options [file]
+//
-int /* O - Exit status */
-main(int argc, /* I - Number of command-line arguments (6 or 7) */
- char *argv[]) /* I - Command-line arguments */
+int // O - Exit status
+main(int argc, // I - Number of command-line arguments (6 or 7)
+ char *argv[]) // I - Command-line arguments
{
- char method[255], /* Method in URI */
- hostname[1024], /* Hostname */
- username[255], /* Username info (not used) */
- resource[1024], /* Resource info (device and options) */
- *options, /* Pointer to options */
- *name, /* Name of option */
- *value, /* Value of option */
- sep; /* Option separator */
- int port; /* Port number (not used) */
- int copies; /* Number of copies to print */
- int side_eof = 0, /* Saw EOF on side-channel? */
- print_fd, /* Print file */
- device_fd; /* Serial device */
- int nfds; /* Maximum file descriptor value + 1 */
- fd_set input, /* Input set for reading */
- output; /* Output set for writing */
- ssize_t print_bytes, /* Print bytes read */
- bc_bytes, /* Backchannel bytes read */
- total_bytes, /* Total bytes written */
- bytes; /* Bytes written */
- int dtrdsr; /* Do dtr/dsr flow control? */
- int print_size; /* Size of output buffer for writes */
- char print_buffer[8192], /* Print data buffer */
- *print_ptr, /* Pointer into print data buffer */
- bc_buffer[1024]; /* Back-channel data buffer */
- struct termios opts; /* Serial port options */
- struct termios origopts; /* Original port options */
+ char method[255], // Method in URI
+ hostname[1024], // Hostname
+ username[255], // Username info (not used)
+ resource[1024], // Resource info (device and options)
+ *options, // Pointer to options
+ *name, // Name of option
+ *value, // Value of option
+ sep; // Option separator
+ int port; // Port number (not used)
+ int copies; // Number of copies to print
+ int side_eof = 0, // Saw EOF on side-channel?
+ print_fd, // Print file
+ device_fd; // Serial device
+ int nfds; // Maximum file descriptor value + 1
+ fd_set input, // Input set for reading
+ output; // Output set for writing
+ ssize_t print_bytes, // Print bytes read
+ bc_bytes, // Backchannel bytes read
+ total_bytes, // Total bytes written
+ bytes; // Bytes written
+ int dtrdsr; // Do dtr/dsr flow control?
+ int print_size; // Size of output buffer for writes
+ char print_buffer[8192], // Print data buffer
+ *print_ptr, // Pointer into print data buffer
+ bc_buffer[1024]; // Back-channel data buffer
+ struct termios opts; // Serial port options
+ struct termios origopts; // Original port options
#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
- struct sigaction action; /* Actions for POSIX signals */
-#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
- char print_sleep = 0; /* Print first sleep flag on every transmit */
+ struct sigaction action; // Actions for POSIX signals
+#endif // HAVE_SIGACTION && !HAVE_SIGSET
+ char print_sleep = 0; // Print first sleep flag on every transmit
- /*
- * Make sure status messages are not buffered...
- */
+ //
+ // Make sure status messages are not buffered...
+ //
setbuf(stderr, NULL);
- /*
- * Ignore SIGPIPE signals...
- */
+ //
+ // Ignore SIGPIPE signals...
+ //
#ifdef HAVE_SIGSET
sigset(SIGPIPE, SIG_IGN);
sigaction(SIGPIPE, &action, NULL);
#else
signal(SIGPIPE, SIG_IGN);
-#endif /* HAVE_SIGSET */
+#endif // HAVE_SIGSET
- /*
- * Check command-line...
- */
+ //
+ // Check command-line...
+ //
if (argc == 1)
{
return (CUPS_BACKEND_FAILED);
}
- /*
- * If we have 7 arguments, print the file named on the command-line.
- * Otherwise, send stdin instead...
- */
+ //
+ // If we have 7 arguments, print the file named on the command-line.
+ // Otherwise, send stdin instead...
+ //
if (argc == 6)
{
}
else
{
- /*
- * Try to open the print file...
- */
+ //
+ // Try to open the print file...
+ //
if ((print_fd = open(argv[6], O_RDONLY)) < 0)
{
copies = atoi(argv[4]);
}
- /*
- * Extract the device name and options from the URI...
- */
+ //
+ // Extract the device name and options from the URI...
+ //
httpSeparateURI(HTTP_URI_CODING_ALL, cupsBackendDeviceURI(argv),
method, sizeof(method), username, sizeof(username),
hostname, sizeof(hostname), &port,
resource, sizeof(resource));
- /*
- * See if there are any options...
- */
+ //
+ // See if there are any options...
+ //
if ((options = strchr(resource, '?')) != NULL)
{
- /*
- * Yup, terminate the device name string and move to the first
- * character of the options...
- */
+ //
+ // Yup, terminate the device name string and move to the first
+ // character of the options...
+ //
*options++ = '\0';
}
- /*
- * Open the serial port device...
- */
+ //
+ // Open the serial port device...
+ //
fputs("STATE: +connecting-to-device\n", stderr);
{
if (getenv("CLASS") != NULL)
{
- /*
- * If the CLASS environment variable is set, the job was submitted
- * to a class and not to a specific queue. In this case, we want
- * to abort immediately so that the job can be requeued on the next
- * available printer in the class.
- */
+ //
+ // If the CLASS environment variable is set, the job was submitted
+ // to a class and not to a specific queue. In this case, we want
+ // to abort immediately so that the job can be requeued on the next
+ // available printer in the class.
+ //
fputs("INFO: Unable to contact printer, queuing on next printer in "
"class.\n", stderr);
- /*
- * Sleep 5 seconds to keep the job from requeuing too rapidly...
- */
+ //
+ // Sleep 5 seconds to keep the job from requeuing too rapidly...
+ //
sleep(5);
fputs("STATE: -connecting-to-device\n", stderr);
- /*
- * Set any options provided...
- */
+ //
+ // Set any options provided...
+ //
tcgetattr(device_fd, &origopts);
tcgetattr(device_fd, &opts);
opts.c_lflag &= ~(ICANON | ECHO | ISIG);
- /* Raw mode */
- opts.c_oflag &= ~OPOST; /* Don't post-process */
+ // Raw mode
+ opts.c_oflag &= ~OPOST; // Don't post-process
- print_size = 96; /* 9600 baud / 10 bits/char / 10Hz */
- dtrdsr = 0; /* No dtr/dsr flow control */
+ print_size = 96; // 9600 baud / 10 bits/char / 10Hz
+ dtrdsr = 0; // No dtr/dsr flow control
if (options)
{
while (*options)
{
- /*
- * Get the name...
- */
+ //
+ // Get the name...
+ //
name = options;
if (sep == '=')
{
- /*
- * Get the value...
- */
+ //
+ // Get the value...
+ //
value = options;
else
value = (char *)"";
- /*
- * Process the option...
- */
+ //
+ // Process the option...
+ //
if (!strcasecmp(name, "baud"))
{
- /*
- * Set the baud rate...
- */
+ //
+ // Set the baud rate...
+ //
print_size = atoi(value) / 100;
cfsetispeed(&opts, B57600);
cfsetospeed(&opts, B57600);
break;
-# endif /* B57600 */
+# endif // B57600
# ifdef B115200
case 115200 :
cfsetispeed(&opts, B115200);
cfsetospeed(&opts, B115200);
break;
-# endif /* B115200 */
+# endif // B115200
# ifdef B230400
case 230400 :
cfsetispeed(&opts, B230400);
cfsetospeed(&opts, B230400);
break;
-# endif /* B230400 */
+# endif // B230400
default :
fprintf(stderr, "WARNING: Unsupported baud rate: %s\n", value);
break;
}
-#endif /* B19200 == 19200 */
+#endif // B19200 == 19200
}
else if (!strcasecmp(name, "bits"))
{
- /*
- * Set number of data bits...
- */
+ //
+ // Set number of data bits...
+ //
switch (atoi(value))
{
}
else if (!strcasecmp(name, "parity"))
{
- /*
- * Set parity checking...
- */
+ //
+ // Set parity checking...
+ //
if (!strcasecmp(value, "even"))
{
opts.c_cflag &= ~PARENB;
else if (!strcasecmp(value, "space"))
{
- /*
- * Note: we only support space parity with 7 bits per character...
- */
+ //
+ // Note: we only support space parity with 7 bits per character...
+ //
opts.c_cflag &= ~CSIZE;
opts.c_cflag |= CS8;
}
else if (!strcasecmp(value, "mark"))
{
- /*
- * Note: we only support mark parity with 7 bits per character
- * and 1 stop bit...
- */
+ //
+ // Note: we only support mark parity with 7 bits per character
+ // and 1 stop bit...
+ //
opts.c_cflag &= ~CSIZE;
opts.c_cflag |= CS7;
}
else if (!strcasecmp(name, "flow"))
{
- /*
- * Set flow control...
- */
+ //
+ // Set flow control...
+ //
if (!strcasecmp(value, "none"))
{
tcsetattr(device_fd, TCSANOW, &opts);
fcntl(device_fd, F_SETFL, 0);
- /*
- * Now that we are "connected" to the port, ignore SIGTERM so that we
- * can finish out any page data the driver sends (e.g. to eject the
- * current page... Only ignore SIGTERM if we are printing data from
- * stdin (otherwise you can't cancel raw jobs...)
- */
+ //
+ // Now that we are "connected" to the port, ignore SIGTERM so that we
+ // can finish out any page data the driver sends (e.g. to eject the
+ // current page... Only ignore SIGTERM if we are printing data from
+ // stdin (otherwise you can't cancel raw jobs...)
+ //
if (!print_fd)
{
-#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
+#ifdef HAVE_SIGSET // Use System V signals over POSIX to avoid bugs
sigset(SIGTERM, SIG_IGN);
#elif defined(HAVE_SIGACTION)
memset(&action, 0, sizeof(action));
sigaction(SIGTERM, &action, NULL);
#else
signal(SIGTERM, SIG_IGN);
-#endif /* HAVE_SIGSET */
+#endif // HAVE_SIGSET
}
- /*
- * Figure out the maximum file descriptor value to use with select()...
- */
+ //
+ // Figure out the maximum file descriptor value to use with select()...
+ //
nfds = (print_fd > device_fd ? print_fd : device_fd) + 1;
- /*
- * Finally, send the print file. Ordinarily we would just use the
- * backendRunLoop() function, however since we need to use smaller
- * writes and may need to do DSR/DTR flow control, we duplicate much
- * of the code here instead...
- */
+ //
+ // Finally, send the print file. Ordinarily we would just use the
+ // backendRunLoop() function, however since we need to use smaller
+ // writes and may need to do DSR/DTR flow control, we duplicate much
+ // of the code here instead...
+ //
if (print_size > sizeof(print_buffer))
print_size = sizeof(print_buffer);
lseek(print_fd, 0, SEEK_SET);
}
- /*
- * Now loop until we are out of data from print_fd...
- */
+ //
+ // Now loop until we are out of data from print_fd...
+ //
for (print_bytes = 0, print_ptr = print_buffer;;)
{
- /*
- * Use select() to determine whether we have data to copy around...
- */
+ //
+ // Use select() to determine whether we have data to copy around...
+ //
FD_ZERO(&input);
if (!print_bytes)
FD_SET(device_fd, &output);
if (select(nfds, &input, &output, NULL, NULL) < 0)
- continue; /* Ignore errors here */
+ continue; // Ignore errors here
- /*
- * Check if we have a side-channel request ready...
- */
+ //
+ // Check if we have a side-channel request ready...
+ //
if (FD_ISSET(CUPS_SC_FD, &input))
{
- /*
- * Do the side-channel request, then start back over in the select
- * loop since it may have read from print_fd...
- */
+ //
+ // Do the side-channel request, then start back over in the select
+ // loop since it may have read from print_fd...
+ //
if (side_cb(print_fd, device_fd, 1))
side_eof = 1;
continue;
}
- /*
- * Check if we have back-channel data ready...
- */
+ //
+ // Check if we have back-channel data ready...
+ //
if (FD_ISSET(device_fd, &input))
{
}
}
- /*
- * Check if we have print data ready...
- */
+ //
+ // Check if we have print data ready...
+ //
if (FD_ISSET(print_fd, &input))
{
if ((print_bytes = read(print_fd, print_buffer, print_size)) < 0)
{
- /*
- * Read error - bail if we don't see EAGAIN or EINTR...
- */
+ //
+ // Read error - bail if we don't see EAGAIN or EINTR...
+ //
if (errno != EAGAIN && errno != EINTR)
{
}
else if (print_bytes == 0)
{
- /*
- * End of file, break out of the loop...
- */
+ //
+ // End of file, break out of the loop...
+ //
break;
}
print_ptr = print_buffer;
}
- /*
- * Check if the device is ready to receive data and we have data to
- * send...
- */
+ //
+ // Check if the device is ready to receive data and we have data to
+ // send...
+ //
if (print_bytes && FD_ISSET(device_fd, &output))
{
if (dtrdsr)
{
- /*
- * Check the port and sleep until DSR is set...
- */
+ //
+ // Check the port and sleep until DSR is set...
+ //
int status;
if (!ioctl(device_fd, TIOCMGET, &status))
if (!(status & TIOCM_DSR))
{
- /*
- * Wait for DSR to go high...
- */
+ //
+ // Wait for DSR to go high...
+ //
fputs("DEBUG: DSR is low; waiting for device.\n", stderr);
do
{
- /*
- * Poll every 100ms...
- */
+ //
+ // Poll every 100ms...
+ //
usleep(100000);
}
}
- /*
- * on every transmit need to wait a little
- * even though the DSR is OK for some unknown reasons.
- */
+ //
+ // On every transmit need to wait a little
+ // even though the DSR is OK for some unknown reasons.
+ //
+
if (print_sleep == 0)
{
usleep(10000);
if ((bytes = write(device_fd, print_ptr, print_bytes)) < 0)
{
- /*
- * Write error - bail if we don't see an error we can retry...
- */
+ //
+ // Write error - bail if we don't see an error we can retry...
+ //
if (errno != EAGAIN && errno != EINTR && errno != ENOTTY)
{
}
}
- /*
- * Close the serial port and input file and return...
- */
+ //
+ // Close the serial port and input file and return...
+ //
tcsetattr(device_fd, TCSADRAIN, &origopts);
}
-/*
- * 'drain_output()' - Drain pending print data to the device.
- */
+//
+// 'drain_output()' - Drain pending print data to the device.
+//
-static int /* O - 0 on success, -1 on error */
-drain_output(int print_fd, /* I - Print file descriptor */
- int device_fd) /* I - Device file descriptor */
+static int // O - 0 on success, -1 on error
+drain_output(int print_fd, // I - Print file descriptor
+ int device_fd) // I - Device file descriptor
{
- int nfds; /* Maximum file descriptor value + 1 */
- fd_set input; /* Input set for reading */
- ssize_t print_bytes, /* Print bytes read */
- bytes; /* Bytes written */
- char print_buffer[8192], /* Print data buffer */
- *print_ptr; /* Pointer into print data buffer */
- struct timeval timeout; /* Timeout for read... */
+ int nfds; // Maximum file descriptor value + 1
+ fd_set input; // Input set for reading
+ ssize_t print_bytes, // Print bytes read
+ bytes; // Bytes written
+ char print_buffer[8192], // Print data buffer
+ *print_ptr; // Pointer into print data buffer
+ struct timeval timeout; // Timeout for read...
- /*
- * Figure out the maximum file descriptor value to use with select()...
- */
+ //
+ // Figure out the maximum file descriptor value to use with select()...
+ //
nfds = (print_fd > device_fd ? print_fd : device_fd) + 1;
- /*
- * Now loop until we are out of data from print_fd...
- */
+ //
+ // Now loop until we are out of data from print_fd...
+ //
for (;;)
{
- /*
- * Use select() to determine whether we have data to copy around...
- */
+ //
+ // Use select() to determine whether we have data to copy around...
+ //
FD_ZERO(&input);
FD_SET(print_fd, &input);
if ((print_bytes = read(print_fd, print_buffer,
sizeof(print_buffer))) < 0)
{
- /*
- * Read error - bail if we don't see EAGAIN or EINTR...
- */
+ //
+ // Read error - bail if we don't see EAGAIN or EINTR...
+ //
if (errno != EAGAIN && errno != EINTR)
{
}
else if (print_bytes == 0)
{
- /*
- * End of file, return...
- */
+ //
+ // End of file, return...
+ //
return (0);
}
{
if ((bytes = write(device_fd, print_ptr, print_bytes)) < 0)
{
- /*
- * Write error - bail if we don't see an error we can retry...
- */
+ //
+ // Write error - bail if we don't see an error we can retry...
+ //
if (errno != ENOSPC && errno != ENXIO && errno != EAGAIN &&
errno != EINTR && errno != ENOTTY)
}
-/*
- * 'list_devices()' - List all serial devices.
- */
+//
+// 'list_devices()' - List all serial devices.
+//
static void
list_devices(void)
{
#if defined(__sun) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
static char *funky_hex = "0123456789abcdefghijklmnopqrstuvwxyz";
- /* Funky hex numbering used for some *
- * devices */
-#endif /* __sun || __FreeBSD__ || __OpenBSD__ || __FreeBSD_kernel__ */
+ // Funky hex numbering used for some *
+ * devices
+#endif // __sun || __FreeBSD__ || __OpenBSD__ || __FreeBSD_kernel__
#ifdef __linux
- int i, j; /* Looping vars */
- int fd; /* File descriptor */
- char device[255]; /* Device filename */
- char info[255]; /* Device info/description */
+ int i, j; // Looping vars
+ int fd; // File descriptor
+ char device[255]; // Device filename
+ char info[255]; // Device info/description
# ifdef TIOCGSERIAL
- struct serial_struct serinfo; /* serial port info */
-# endif /* TIOCGSERIAL */
+ struct serial_struct serinfo; // serial port info
+# endif // TIOCGSERIAL
for (i = 0; i < 100; i ++)
if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0)
{
# ifdef TIOCGSERIAL
- /*
- * See if this port exists...
- */
+ //
+ // See if this port exists...
+ //
serinfo.reserved_char[0] = 0;
{
if (serinfo.type == PORT_UNKNOWN)
{
- /*
- * Nope...
- */
+ //
+ // Nope...
+ //
close(fd);
continue;
}
}
-# endif /* TIOCGSERIAL */
+# endif // TIOCGSERIAL
close(fd);
printf("serial serial:%s?baud=230400 \"Unknown\" \"%s\"\n", device, info);
# else
printf("serial serial:%s?baud=115200 \"Unknown\" \"%s\"\n", device, info);
-# endif /* _ARCH_PPC || powerpc || __powerpc */
+# endif // _ARCH_PPC || powerpc || __powerpc
}
}
}
}
#elif defined(__sun)
- int i, j, n; /* Looping vars */
- char device[255]; /* Device filename */
- char info[255]; /* Device info/description */
+ int i, j, n; // Looping vars
+ char device[255]; // Device filename
+ char info[255]; // Device info/description
- /*
- * Standard serial ports...
- */
+ //
+ // Standard serial ports...
+ //
for (i = 0; i < 26; i ++)
{
printf("serial serial:%s?baud=115200 \"Unknown\" \"%s\"\n", device, info);
# else
printf("serial serial:%s?baud=38400 \"Unknown\" \"%s\"\n", device, info);
-# endif /* B115200 */
+# endif // B115200
}
}
- /*
- * MAGMA serial ports...
- */
+ //
+ // MAGMA serial ports...
+ //
for (i = 0; i < 40; i ++)
{
device, (i / 10) + 1, (i % 10) + 1);
}
- /*
- * Central Data serial ports...
- */
+ //
+ // Central Data serial ports...
+ //
for (i = 0; i < 9; i ++)
for (j = 0; j < 8; j ++)
for (n = 0; n < 32; n ++)
{
- if (i == 8) /* EtherLite */
+ if (i == 8) // EtherLite
sprintf(device, "/dev/sts/ttyN%d%c", j, funky_hex[n]);
else
sprintf(device, "/dev/sts/tty%c%d%c", i + 'C', j,
}
}
#elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
- int i, j; /* Looping vars */
- int fd; /* File descriptor */
- char device[255]; /* Device filename */
- char info[255]; /* Device info/description */
+ int i, j; // Looping vars
+ int fd; // File descriptor
+ char device[255]; // Device filename
+ char info[255]; // Device info/description
- /*
- * SIO ports...
- */
+ //
+ // SIO ports...
+ //
for (i = 0; i < 32; i ++)
{
}
}
- /*
- * Cyclades ports...
- */
+ //
+ // Cyclades ports...
+ //
- for (i = 0; i < 16; i ++) /* Should be up to 65536 boards... */
+ for (i = 0; i < 16; i ++) // Should be up to 65536 boards...
for (j = 0; j < 32; j ++)
{
sprintf(device, "/dev/ttyc%d%c", i, funky_hex[j]);
}
}
- /*
- * Digiboard ports...
- */
+ //
+ // Digiboard ports...
+ //
- for (i = 0; i < 16; i ++) /* Should be up to 65536 boards... */
+ for (i = 0; i < 16; i ++) // Should be up to 65536 boards...
for (j = 0; j < 32; j ++)
{
sprintf(device, "/dev/ttyD%d%c", i, funky_hex[j]);
}
}
- /*
- * Stallion ports...
- */
+ //
+ // Stallion ports...
+ //
for (i = 0; i < 32; i ++)
{
}
}
- /*
- * SX ports...
- */
+ //
+ // SX ports...
+ //
for (i = 0; i < 128; i ++)
{
}
}
#elif defined(__NetBSD__)
- int i, j; /* Looping vars */
- int fd; /* File descriptor */
- char device[255]; /* Device filename */
- char info[255]; /* Device info/description */
+ int i, j; // Looping vars
+ int fd; // File descriptor
+ char device[255]; // Device filename
+ char info[255]; // Device info/description
- /*
- * Standard serial ports...
- */
+ //
+ // Standard serial ports...
+ //
for (i = 0; i < 4; i ++)
{
}
}
- /*
- * Cyclades-Z ports...
- */
+ //
+ // Cyclades-Z ports...
+ //
- for (i = 0; i < 16; i ++) /* Should be up to 65536 boards... */
+ for (i = 0; i < 16; i ++) // Should be up to 65536 boards...
for (j = 0; j < 64; j ++)
{
sprintf(device, "/dev/ttyCZ%02d%02d", i, j);
}
}
#elif defined(__APPLE__)
- /*
- * Standard serial ports on MacOS X...
- */
+ //
+ // Standard serial ports on MacOS X...
+ //
kern_return_t kernResult;
mach_port_t masterPort;
if (KERN_SUCCESS != kernResult)
return;
- /*
- * Serial devices are instances of class IOSerialBSDClient.
- */
+ //
+ // Serial devices are instances of class IOSerialBSDClient.
+ //
classesToMatch = IOServiceMatching(kIOSerialBSDServiceValue);
if (classesToMatch != NULL)
Boolean result;
- /* Check if hidden... */
+ // Check if hidden...
hiddenVal = IORegistryEntrySearchCFProperty(serialService,
kIOServicePlane,
CFSTR("HiddenPort"),
kIORegistryIterateRecursively |
kIORegistryIterateParents);
if (hiddenVal)
- CFRelease(hiddenVal); /* This interface should not be used */
+ CFRelease(hiddenVal); // This interface should not be used
else
{
serialNameAsCFString =
IOObjectRelease(serialService);
}
- /*
- * Release the iterator.
- */
+ //
+ // Release the iterator.
+ //
IOObjectRelease(serialPortIterator);
}
}
-/*
- * 'side_cb()' - Handle side-channel requests...
- */
+//
+// 'side_cb()' - Handle side-channel requests...
+//
-static int /* O - 0 on success, -1 on error */
-side_cb(int print_fd, /* I - Print file */
- int device_fd, /* I - Device file */
- int use_bc) /* I - Using back-channel? */
+static int // O - 0 on success, -1 on error
+side_cb(int print_fd, // I - Print file
+ int device_fd, // I - Device file
+ int use_bc) // I - Using back-channel?
{
- cups_sc_command_t command; /* Request command */
- cups_sc_status_t status; /* Request/response status */
- char data[2048]; /* Request/response data */
- int datalen; /* Request/response data size */
+ cups_sc_command_t command; // Request command
+ cups_sc_status_t status; // Request/response status
+ char data[2048]; // Request/response data
+ int datalen; // Request/response data size
datalen = sizeof(data);
projects / thirdparty / cups-filters.git / commitdiff
