C++ check_path函数代码示例

void Thesaurus::OnLanguageChanged() {
	impl.reset();

	auto language = OPT_GET("Tool/Thesaurus/Language")->GetString();
	if (language.empty()) return;

	agi::fs::path idx, dat;

	auto path = config::path->Decode(OPT_GET("Path/Dictionary")->GetString() + "/");
	if (!check_path(path, language, idx, dat)) {
		path = config::path->Decode("?data/dictionaries/");
		if (!check_path(path, language, idx, dat))
			return;
	}

	LOG_I("thesaurus/file") << "Using thesaurus: " << dat;

	agi::dispatch::Background().Async([=]{
		try {
			auto thes = agi::util::make_unique<agi::Thesaurus>(dat, idx);
			agi::dispatch::Main().Sync([&]{
				impl = std::move(thes);
			});
		}
		catch (agi::Exception const& e) {
			LOG_E("thesaurus") << e.GetChainedMessage();
		}
	});
}

// "path" is the path to lookup; will advance this pointer beyond the volume name.
// Returns logical drive number (-1 means invalid path).
int ff_get_ldnumber (const TCHAR **path) {
    if (!(*path)) {
        return -1;
    }

    if (**path != '/') {
    #if _FS_RPATH
        return ff_CurrVol;
    #else
        return -1;
    #endif
    }

    if (check_path(path, "/flash", 6)) {
        return PD_FLASH;
    }
    else {
        for (mp_uint_t i = 0; i < MP_STATE_PORT(mount_obj_list).len; i++) {
            os_fs_mount_t *mount_obj = ((os_fs_mount_t *)(MP_STATE_PORT(mount_obj_list).items[i]));
            if (check_path(path, mount_obj->path, mount_obj->pathlen)) {
                return mount_obj->vol;
            }
        }
    }

    return -1;
}

void			ft_cd(char *buf, t_params *p)
{
	char	**av;
	char	*new_dir;
	int		ret;
	int		size;

	ret = 0;
	av = ft_split(buf);
	new_dir = NULL;
	size = av_size(av);
	if (size > 2)
		ft_putendl("cd: syntax error");
	else if (size == 1 || (size == 2 && !ft_strcmp(av[1], "~")))
		new_dir = ft_strdup(p->home);
	else
		new_dir = get_newdir(p, av[1]);
	if (new_dir && !(ret = check_path(new_dir)) && !chdir(new_dir))
		update_env(p, new_dir);
	else if (new_dir && !(ret = check_path(new_dir)) && chdir(new_dir) == -1)
		ft_print_error("cd: not a directory: ", av[1]);
	if (new_dir && ret && av[1])
		improper_path(ret, av[1]);
	ft_strdel(&new_dir);
	del_av(av);
}

void
Util::detectCclive(
    QString& path,
    QString& version,
    QString& libVersion,
    QString& libName,
    bool *isCcliveFlag)
{

    const QStringList env =
        QProcess::systemEnvironment();

    QRegExp re("^PATH=(.*)", Qt::CaseInsensitive);
    env.indexOf(re);

    const QString capt = re.capturedTexts()[1].simplified();
    QStringList paths  = capt.split(":");

    if (paths.size() < 2) // w32
        paths = capt.split(";");

    if (paths.size() < 2)
        return;

    path = check_path(paths, "cclive");
    if (path.isEmpty())
        path = check_path(paths, "clive");

    if (path.isEmpty()) {
        // Detection from $PATH failed. Prompt user
        // to specify the path in preferences manually.
        throw NoCcliveException(
            QObject::tr(
                "Neither cclive or clive not was found in the path.\n"
                "Please specify the path to either command in the\n"
                "preferences."
            )
        );
    }
    else {
        // Check --version output.
        verify_version_output(
            path,
            version,
            libVersion,
            libName,
            isCcliveFlag
        );
    }
}

/* on windows, data files should always be in [base directory]/data */
char *obs_find_plugin_file(const char *file)
{
	struct dstr path;
	dstr_init(&path);

	if (check_path(file, "data/obs-plugins/", &path))
		return path.array;

	if (check_path(file, "../../data/obs-plugins/", &path))
		return path.array;

	dstr_free(&path);
	return NULL;
}

int main(int argc, char *argv[])
{
	void *fdt;

	test_init(argc, argv);
	fdt = load_blob_arg(argc, argv);

	check_path(fdt, "/");
	check_path(fdt, "/[email protected]");
	check_path(fdt, "/[email protected]");
	check_path(fdt, "/[email protected]/subsubnode");
	check_path(fdt, "/[email protected]/[email protected]");

	PASS();
}

static void compact(char *bundle) {
	check_path(bundle, "token");
	check_path(bundle, "Info.plist");
	
	check_path(bundle, "bands");
	char *bands = strdup(buf);
	DIR *dir = opendir(bands);
	if (!dir)
		die("Can't open band dir");
	struct dirent *de;
	while ((de = readdir(dir))) {
		if (de->d_name[0] == '.')
			continue;
		
		fprintf(stdout, "%5s   ", de->d_name);
		if (snprintf(buf, PATH_MAX, "%s/%s", bands, de->d_name) >= PATH_MAX)
			die("Paths too long");
		int fd = open(buf, O_RDWR);
		if (!fd)
			die("Can't open band");
		ssize_t size = lseek(fd, 0, SEEK_END);
		if (size == -1)
			die("Can't seek");
		char *bytes = mmap(NULL, size, PROT_READ, MAP_FILE | MAP_SHARED, fd, 0);
		if (bytes == MAP_FAILED)
			die("Can't mmap");
		
		size_t nz = size;
		for (; nz > 0 && !bytes[nz - 1]; --nz)
			;
		munmap(bytes, size);
		
		if (nz > 0 && nz < size) {
			fprintf(stdout, "saving %ld", size - nz);
			if (ftruncate(fd, nz) != 0)
				die("Can't truncate");
		}
		close(fd);
		if (nz == 0) {
			fprintf(stdout, "removing");
			if (unlink(buf) != 0)
				die("Can't unlink");
		}
		fprintf(stdout, "\n");
	}
	free(bands);
	closedir(dir);
}

int check_path_from_xpath(xmlXPathContextPtr xpath_ctx, const char *log_string, const xmlChar *path_xexpr) {
	int status = 0;
	xmlXPathObjectPtr xpath_obj;
	char* temp_char = NULL;

	xpath_obj = xmlXPathEvalExpression(path_xexpr, xpath_ctx);
	if(xpath_obj == NULL) {
		dual_log("ERROR: unable to evaluate xpath expression: %s", path_xexpr);
		return 1;
	}
    if (xpath_obj->nodesetval != NULL && xpath_obj->nodesetval->nodeNr > 0) {
		temp_char = (char*) xmlXPathCastToString(xpath_obj);

		status = check_path(temp_char, log_string);

        StrFree(temp_char);
	} else {
		/* Not set; return -1 so that we can test the default path */
		xmlXPathFreeObject(xpath_obj);
		return -1;
	}

    xmlXPathFreeObject(xpath_obj);
	return status;
}

MuError
mu_index_stats (MuIndex *index, const char *path,
		MuIndexStats *stats, MuIndexMsgCallback cb_msg,
		MuIndexDirCallback cb_dir, void *user_data)
{
	MuIndexCallbackData cb_data;

	g_return_val_if_fail (index, MU_ERROR);
	g_return_val_if_fail (cb_msg, MU_ERROR);

	if (!check_path (path))
		return MU_ERROR;

	if (stats)
		memset (stats, 0, sizeof(MuIndexStats));

	cb_data._idx_msg_cb        = cb_msg;
	cb_data._idx_dir_cb        = cb_dir;

	cb_data._stats     = stats;
	cb_data._user_data = user_data;

	cb_data._dirstamp  = 0;

	return mu_maildir_walk (path,
				(MuMaildirWalkMsgCallback)on_stats_maildir_file,
				NULL, FALSE, &cb_data);
}

static int global_physics_sweep_col_mesh (lua_State *L)
{
TRY_START
        int base_line = 7;
        check_args_min(L, base_line);

        std::string col_mesh_name = check_path(L, 1);
        DiskResource *col_mesh_ = disk_resource_get_or_make(col_mesh_name);
        CollisionMesh *col_mesh = dynamic_cast<CollisionMesh*>(col_mesh_);
        Quaternion q = check_quat(L, 2);
        Vector3 start = check_v3(L, 3);
        Vector3 ray = check_v3(L, 4);
        bool nearest_only = check_bool(L, 5);
        unsigned long flags = check_t<unsigned long>(L, 6);
        if (lua_type(L, 7) != LUA_TFUNCTION)
                my_lua_error(L, "Parameter 5 should be a function.");

        LuaSweepCallback lcb(nearest_only, flags);
        init_cast_blacklist(L, base_line, lcb);

        physics_sweep_col_mesh(start, q, start + ray, q, lcb, col_mesh);

        push_cfunction(L, my_lua_error_handler);
        int error_handler = lua_gettop(L);

        lcb.pushResults(L, 7, error_handler);
        return 0;
TRY_END
}

static int global_physics_test (lua_State *L)
{
TRY_START
        LuaTestCallback lcb;
        push_cfunction(L, my_lua_error_handler);
        int error_handler = lua_gettop(L);
        if (lua_gettop(L)==5) {
                float radius = lua_tonumber(L, 1);
                Vector3 pos = check_v3(L, 2);
                bool only_dyn = check_bool(L, 3);
                if (lua_type(L, 4) != LUA_TFUNCTION)
                        my_lua_error(L, "Parameter 4 should be a function.");

                physics_test_sphere(radius, pos, only_dyn, lcb);
                lcb.pushResults(L, 4, error_handler);
        } else {
                check_args(L, 6);
                std::string col_mesh_name = check_path(L, 1);
                DiskResource *col_mesh_ = disk_resource_get_or_make(col_mesh_name);
                CollisionMesh *col_mesh = dynamic_cast<CollisionMesh*>(col_mesh_);
                if (col_mesh==NULL) my_lua_error(L, "Not a collision mesh: \""+col_mesh_name+"\"");
                if (!col_mesh->isLoaded()) my_lua_error(L, "Not loaded: \""+col_mesh_name+"\"");
                Vector3 pos = check_v3(L, 2);
                Quaternion quat = check_quat(L, 3);
                bool only_dyn = check_bool(L, 4);
                if (lua_type(L, 5) != LUA_TFUNCTION)
                        my_lua_error(L, "Parameter 5 should be a function.");

                physics_test(col_mesh, pos, quat, only_dyn, lcb);
                lcb.pushResults(L, 5, error_handler);
        }
        lua_pop(L, 1); // error handler
        return 0;
TRY_END
}

int			path_finder(char **map, int number_path,
				    t_server *server)
{
  int			index_position_y;
  int			index_position_x;
  int			position[3];
  int			find_path;

  find_path = 0;
  for (index_position_y = 0; index_position_y < server->map.height;
       index_position_y++)
    {
      for (index_position_x = 0; index_position_x < server->map.width;
	   index_position_x++)
	{
	  position[0] = index_position_x;
	  position[1] = index_position_y;
	  position[2] = 0;
	  if (map[index_position_y][index_position_x] == number_path &&
	      check_path(map, position, number_path, server) != 0)
	    find_path = 1;
	}
    }
  return (find_path);
}

static int rbody_ranged_scatter (lua_State *L)
{
TRY_START
        check_args(L, 12);
        GET_UD_MACRO(RigidBody, self, 1, RBODY_TAG);
        std::string mat    = check_path(L, 2);
        GET_UD_MACRO(GfxRangedInstancesPtr, gri, 3, GFXRANGEDINSTANCES_TAG);
        float density       = check_float(L, 4);
        float min_slope     = check_float(L, 5);
        float max_slope     = check_float(L, 6);
        float min_elevation = check_float(L, 7);
        float max_elevation = check_float(L, 8);
        bool no_z           = check_bool(L, 9);
        bool rotate         = check_bool(L, 10);
        bool align_slope    = check_bool(L, 11);
        unsigned seed       = check_t<unsigned>(L, 12);

        SimpleTransform world_trans(self.getPosition(), self.getOrientation());

        self.colMesh->scatter(phys_mats.getMaterial(mat)->id,
                              world_trans, density, min_slope, max_slope, min_elevation,
                              max_elevation, no_z, rotate, align_slope, seed,
                              *gri);

        return 0;
TRY_END
}

MuError
mu_index_run (MuIndex *index, const char *path,
	      gboolean reindex, MuIndexStats *stats,
	      MuIndexMsgCallback msg_cb, MuIndexDirCallback dir_cb,
	      void *user_data)
{
	MuIndexCallbackData cb_data;
	MuError rv;

	g_return_val_if_fail (index && index->_store, MU_ERROR);
	g_return_val_if_fail (msg_cb, MU_ERROR);

	if (!check_path (path))
		return MU_ERROR;

	if (!reindex && index->_needs_reindex) {
		g_warning ("database not up-to-date; needs full reindex");
		return MU_ERROR;
	}

	init_cb_data (&cb_data, index->_store, reindex,
		      index->_max_filesize, stats,
		      msg_cb, dir_cb, user_data);

	rv = mu_maildir_walk (path,
			      (MuMaildirWalkMsgCallback)on_run_maildir_msg,
			      (MuMaildirWalkDirCallback)on_run_maildir_dir,
			      reindex, /* re-index, ie. do a full update */
			      &cb_data);

	mu_store_flush (index->_store);

	return rv;
}

void Dialog::on_lineEdit_target_product_textChanged(const QString &arg1)
{
    if(check_path() == false)
        ui->pushButton_edit_path->setDisabled(true);
    else
        ui->pushButton_edit_path->setDisabled(false);
}