C++ (Cpp) duc_dir_find_childの例

コード例 #1

ファイル: dir.c プロジェクト: NethServer/duc

duc_dir *duc_dir_open(struct duc *duc, const char *path)
{
	/* Canonicalized path */

	char *path_canon = duc_canonicalize_path(path);
	if(!path_canon) {
		duc->err = DUC_E_PATH_NOT_FOUND;
		return NULL;
	}

	/* Find top path in database */

	char *path_try = duc_strdup(path_canon);
	int l = strlen(path_try);
	struct duc_devino devino = { 0, 0 };
	while(l > 0) {
		path_try[l] = '\0';
		struct duc_index_report *report;
		report = db_read_report(duc, path_try);
		if(report) {
			devino = report->devino;
			free(report);
			break;
		}
		l--;
	}
	free(path_try);

	if(l == 0) {
		duc_log(duc, DUC_LOG_FTL, "Path %s not found in database", path_canon);
		duc->err = DUC_E_PATH_NOT_FOUND;
		free(path_canon);
		return NULL;
	}

	struct duc_dir *dir;

	dir = duc_dir_new(duc, &devino);

	if(dir == NULL) {
		duc->err = DUC_E_PATH_NOT_FOUND;
		free(path_canon);
		return NULL;
	}
	
	char rest[DUC_PATH_MAX];
	strncpy(rest, path_canon+l, sizeof rest);

	char *name = strtok(rest, "/");

	while(dir && name) {

		struct duc_dirent *ent = duc_dir_find_child(dir, name);

		struct duc_dir *dir_next = NULL;

		if(ent) {
			dir_next = duc_dir_openent(dir, ent);
		}

		duc_dir_close(dir);
		dir = dir_next;
		name = strtok(NULL, "/");
	}

	if(dir) {
		dir->path = strdup(path_canon);
	}

	free(path_canon);

	return dir;
}

コード例 #2

ファイル: dir.c プロジェクト: MSU-RCG/duc

duc_dir *duc_dir_open(struct duc *duc, const char *path)
{
	/* Canonicalized path */

	char *path_canon = stripdir(path);
	if(!path_canon) {
		duc->err = DUC_E_PATH_NOT_FOUND;
		return NULL;
	}

	/* Find top path in database */

	int l = strlen(path_canon);
	dev_t dev = 0;
	ino_t ino = 0;
	while(l > 0) {
		struct duc_index_report *report;
		size_t report_len;
		report = db_get(duc->db, path_canon, l, &report_len);
		if(report && report_len == sizeof(*report)) {
			dev = report->dev;
			ino = report->ino;
			free(report);
			break;
		}
		l--;
		while(l > 1  && path_canon[l] != '/') l--;
	}

	if(l == 0) {
		duc_log(duc, DUC_LOG_WRN, "Path %s not found in database", path_canon);
		duc->err = DUC_E_PATH_NOT_FOUND;
		free(path_canon);
		return NULL;
	}

	struct duc_dir *dir;

	dir = db_read_dir(duc, dev, ino);

	if(dir == NULL) {
		duc->err = DUC_E_PATH_NOT_FOUND;
		free(path_canon);
		return NULL;
	}
	
	char rest[PATH_MAX];
	strncpy(rest, path_canon+l, sizeof rest);

	char *name = strtok(rest, "/");

	while(dir && name) {

		struct duc_dirent *ent = duc_dir_find_child(dir, name);

		struct duc_dir *dir_next = NULL;

		if(ent) {
			dir_next = duc_dir_openent(dir, ent);
		}

		duc_dir_close(dir);
		dir = dir_next;
		name = strtok(NULL, "/");
	}

	if(dir) {
		dir->path = strdup(path_canon);
	}

	return dir;
}