/*
- * "$Id: sidechannel.c 7720 2008-07-11 22:46:21Z mike $"
+ * Side-channel API code for CUPS.
*
- * Side-channel API code for CUPS.
+ * Copyright 2007-2014 by Apple Inc.
+ * Copyright 2006 by Easy Software Products.
*
- * Copyright 2007-2011 by Apple Inc.
- * Copyright 2006 by Easy Software Products.
- *
- * 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 "LICENSE.txt"
- * which should have been included with this file. If this file is
- * file is missing or damaged, see the license at "http://www.cups.org/".
- *
- * This file is subject to the Apple OS-Developed Software exception.
- *
- * Contents:
- *
- * cupsSideChannelDoRequest() - Send a side-channel command to a backend and
- * wait for a response.
- * cupsSideChannelRead() - Read a side-channel message.
- * cupsSideChannelSNMPGet() - Query a SNMP OID's value.
- * cupsSideChannelSNMPWalk() - Query multiple SNMP OID values.
- * cupsSideChannelWrite() - Write a side-channel message.
+ * Licensed under Apache License v2.0. See the file "LICENSE" for more information.
*/
/*
#include "sidechannel.h"
#include "cups-private.h"
-#ifdef WIN32
+#include "debug-internal.h"
+#ifdef _WIN32
# include <io.h>
#else
# include <unistd.h>
-#endif /* WIN32 */
-#ifdef __hpux
-# include <sys/time.h>
-#elif !defined(WIN32)
# include <sys/select.h>
-#endif /* __hpux */
-#ifndef WIN32
# include <sys/time.h>
-#endif /* !WIN32 */
+#endif /* _WIN32 */
#ifdef HAVE_POLL
# include <poll.h>
#endif /* HAVE_POLL */
* pointed to by the "data" parameter. cupsSideChannelDoRequest() will
* update the value to contain the number of data bytes in the buffer.
*
- * @since CUPS 1.3/Mac OS X 10.5@
+ * @since CUPS 1.3/macOS 10.5@
*/
cups_sc_status_t /* O - Status of command */
* pointed to by the "data" parameter. cupsSideChannelDoRequest() will
* update the value to contain the number of data bytes in the buffer.
*
- * @since CUPS 1.3/Mac OS X 10.5@
+ * @since CUPS 1.3/macOS 10.5@
*/
int /* O - 0 on success, -1 on error */
double timeout) /* I - Timeout in seconds */
{
char *buffer; /* Message buffer */
- int bytes; /* Bytes read */
+ ssize_t bytes; /* Bytes read */
int templen; /* Data length from message */
int nfds; /* Number of file descriptors */
#ifdef HAVE_POLL
pfd.fd = CUPS_SC_FD;
pfd.events = POLLIN;
- while ((nfds = poll(&pfd, 1,
- timeout < 0.0 ? -1 : (long)(timeout * 1000))) < 0 &&
+ while ((nfds = poll(&pfd, 1,
+ timeout < 0.0 ? -1 : (int)(timeout * 1000))) < 0 &&
(errno == EINTR || errno == EAGAIN))
;
stimeout.tv_sec = (int)timeout;
stimeout.tv_usec = (int)(timeout * 1000000) % 1000000;
- while ((nfds = select(CUPS_SC_FD + 1, &input_set, NULL, NULL,
+ while ((nfds = select(CUPS_SC_FD + 1, &input_set, NULL, NULL,
timeout < 0.0 ? NULL : &stimeout)) < 0 &&
(errno == EINTR || errno == EAGAIN))
;
#endif /* HAVE_POLL */
- if (nfds < 1)
+ if (nfds < 1)
{
*command = CUPS_SC_CMD_NONE;
*status = nfds==0 ? CUPS_SC_STATUS_TIMEOUT : CUPS_SC_STATUS_IO_ERROR;
if (bytes < 4)
{
- DEBUG_printf(("1cupsSideChannelRead: Short read of %d bytes", bytes));
+ DEBUG_printf(("1cupsSideChannelRead: Short read of " CUPS_LLFMT " bytes", CUPS_LLCAST bytes));
_cupsBufferRelease(buffer);
*status = (cups_sc_status_t)buffer[1];
*datalen = templen;
- memcpy(data, buffer + 4, templen);
+ memcpy(data, buffer + 4, (size_t)templen);
}
_cupsBufferRelease(buffer);
* support SNMP queries. @code CUPS_SC_STATUS_NO_RESPONSE@ is returned when
* the printer does not respond to the SNMP query.
*
- * @since CUPS 1.4/Mac OS X 10.6@
+ * @since CUPS 1.4/macOS 10.6@
*/
cups_sc_status_t /* O - Query status */
* Parse the response of the form "oid\0value"...
*/
- real_oidlen = strlen(real_data) + 1;
+ real_oidlen = (int)strlen(real_data) + 1;
real_datalen -= real_oidlen;
if ((real_datalen + 1) > *datalen)
return (CUPS_SC_STATUS_TOO_BIG);
}
- memcpy(data, real_data + real_oidlen, real_datalen);
+ memcpy(data, real_data + real_oidlen, (size_t)real_datalen);
data[real_datalen] = '\0';
*datalen = real_datalen;
* support SNMP queries. @code CUPS_SC_STATUS_NO_RESPONSE@ is returned when
* the printer does not respond to the first SNMP query.
*
- * @since CUPS 1.4/Mac OS X 10.6@
+ * @since CUPS 1.4/macOS 10.6@
*/
cups_sc_status_t /* O - Status of first query of @code CUPS_SC_STATUS_OK@ on success */
cups_sc_status_t status; /* Status of command */
cups_sc_command_t rcommand; /* Response command */
char *real_data; /* Real data buffer for response */
- int real_datalen, /* Real length of data buffer */
- real_oidlen, /* Length of returned OID string */
+ int real_datalen; /* Real length of data buffer */
+ size_t real_oidlen, /* Length of returned OID string */
oidlen; /* Length of first OID */
const char *current_oid; /* Current OID */
char last_oid[2048]; /* Last OID */
*/
current_oid = oid;
- oidlen = (int)strlen(oid);
+ oidlen = strlen(oid);
last_oid[0] = '\0';
do
return (CUPS_SC_STATUS_OK);
}
- if (real_datalen < sizeof(real_data))
+ if ((size_t)real_datalen < sizeof(real_data))
real_data[real_datalen] = '\0';
real_oidlen = strlen(real_data) + 1;
- real_datalen -= real_oidlen;
+ real_datalen -= (int)real_oidlen;
/*
* Call the callback with the OID and data...
*/
- (*cb)(real_data, real_data + real_oidlen, real_datalen, context);
+ (*cb)(real_data, real_data + real_oidlen, real_datalen, context);
/*
* Update the current OID...
* This function is normally only called by backend programs to send
* responses to a filter, driver, or port monitor program.
*
- * @since CUPS 1.3/Mac OS X 10.5@
+ * @since CUPS 1.3/macOS 10.5@
*/
int /* O - 0 on success, -1 on error */
double timeout) /* I - Timeout in seconds */
{
char *buffer; /* Message buffer */
- int bytes; /* Bytes written */
+ ssize_t bytes; /* Bytes written */
#ifdef HAVE_POLL
struct pollfd pfd; /* Poll structure for poll() */
#else /* select() */
if (poll(&pfd, 1, -1) < 1)
return (-1);
}
- else if (poll(&pfd, 1, (long)(timeout * 1000)) < 1)
+ else if (poll(&pfd, 1, (int)(timeout * 1000)) < 1)
return (-1);
#else /* select() */
* 4-N Data
*/
- if ((buffer = _cupsBufferGet(datalen + 4)) == NULL)
+ if ((buffer = _cupsBufferGet((size_t)datalen + 4)) == NULL)
return (-1);
buffer[0] = command;
buffer[1] = status;
- buffer[2] = datalen >> 8;
- buffer[3] = datalen & 255;
+ buffer[2] = (char)(datalen >> 8);
+ buffer[3] = (char)(datalen & 255);
bytes = 4;
if (datalen > 0)
{
- memcpy(buffer + 4, data, datalen);
+ memcpy(buffer + 4, data, (size_t)datalen);
bytes += datalen;
}
- while (write(CUPS_SC_FD, buffer, bytes) < 0)
+ while (write(CUPS_SC_FD, buffer, (size_t)bytes) < 0)
if (errno != EINTR && errno != EAGAIN)
{
_cupsBufferRelease(buffer);
return (0);
}
-
-
-/*
- * End of "$Id: sidechannel.c 7720 2008-07-11 22:46:21Z mike $".
- */
projects / thirdparty / cups.git / blobdiff