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/*
* Copyright 2005 Alfredo Pironti
*
* This file is Copyright 2005 by the GPSD project
* SPDX-License-Identifier: BSD-2-clause
*/
#include "../include/gpsd_config.h" // must be before all includes
#include <assert.h> // for assert()
#include <cstdlib>
#include "../include/libgpsmm.h"
struct gps_data_t* gpsmm::gps_inner_open(const char *host, const char *port)
{
if (0 != (gps_open(host, port, gps_state()))) {
to_user = NULL;
return NULL;
}
// else, connection successfully opened
to_user = new struct gps_data_t;
// prevent CWE-690 warning: dereference of possibly-NULL pinter
assert(NULL != to_user);
return backup(); // we return the backup of our internal structure
}
struct gps_data_t* gpsmm::stream(int flags)
{
if (NULL == to_user) {
return NULL;
}
if (-1 == gps_stream(gps_state(),flags, NULL)) {
return NULL;
}
// else
return backup();
}
struct gps_data_t* gpsmm::send(const char *request)
{
if (-1 == gps_send(gps_state(),request)) {
return NULL;
}
// else
return backup();
}
struct gps_data_t* gpsmm::read(void)
{
if (0 >= gps_read(gps_state(), NULL, 0)) {
// we return null if there was a read() error, or
// if no data is ready in POLL_NOBLOCK (default) mode, or
// if the connection is closed by gpsd
return NULL;
}
// else
return backup();
}
bool gpsmm::waiting(int timeout)
{
return gps_waiting(gps_state(), timeout);
}
const char *gpsmm::data(void)
{
return gps_data(gps_state());
}
// cppcheck-suppress unusedFunction
void gpsmm::clear_fix(void)
{
gps_clear_fix(&(gps_state()->fix));
}
// cppcheck-suppress unusedFunction
void gpsmm::enable_debug(int level, FILE *fp)
{
gps_enable_debug(level, fp);
}
// cppcheck-suppress unusedFunction
bool gpsmm::is_open(void)
{
return to_user != NULL;
}
gpsmm::~gpsmm()
{
if (NULL != to_user) {
(void)gps_close(gps_state());
delete to_user;
}
}
// vim: set expandtab shiftwidth=4
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