Exemplo n.º 1
0
static Path*
walkto(char *a, char **lastp)
{
	char *els[Nels], *path;
	int nels;
	Path *p;

	path = fsname(a);
	nels = gettokens(path, els, Nels, "/");
	if(nels < 1){
		free(path);
		error("invalid path");
	}
	if(catcherror()){
		free(path);
		error("walkpath: %r");
	}
	if(lastp != nil){
		p = walkpath(fs->root, els, nels-1);
		*lastp = a + strlen(a) - strlen(els[nels-1]);
	}else
		p = walkpath(fs->root, els, nels);
	free(path);
	noerror();
	if(verb)
		print("walked to %H\n", p->f[p->nf-1]);
	return p;
}
Exemplo n.º 2
0
static int
walkpath(const char *root, dirwalk_action action, unsigned char mask)
{
	char		 child[FILENAME_MAX+1];
	struct dirent	*ent;
	DIR		*dh;

	if (NULL == (dh = opendir(root))) {
		return -1;
	}

	while (NULL != (ent = readdir(dh))) {
		if (0 == strncmp("..", ent->d_name, 3)) {
			continue;
		}

		if (0 == strncmp(".", ent->d_name, 2)) {
			continue;
		}

		snprintf(child, FILENAME_MAX, "%s/%s", root, ent->d_name);
		if (mask | ent->d_type) {
			if (-1 == action(child)) {
				break;
			}
		}
		if (DT_DIR == ent->d_type && (!(FT_NODESCEND | mask))) {
			if (-1 == walkpath(child, action, mask)) {
				break;
			}
		}
	}

	if (-1 == closedir(dh)) {
		return -1;
	}

	return 0;
}
Exemplo n.º 3
0
/*
 * walkdir goes through every directory entry under root and calls action on
 * every entry matching the mask.
 */
int
walkdir(const char *root, dirwalk_action action, unsigned char mask)
{
	struct stat	 st;
	char		*rootdup = NULL;
	size_t		 rootlen;
	int		 ret = -1;
	unsigned char	 type;

	if (-1 == stat(root, &st)) {
		return -1;
	}

	type = stat_mode_to_dt_type(st.st_mode);
	if (mask | type) {
		if (0 != (ret = action(root))) {
			return ret;
		}
	}

	if (DT_DIR == type) {
		rootlen = strnlen(root, FILENAME_MAX);
		rootdup = strndup(root, FILENAME_MAX);
		if (NULL == rootdup) {
			return -1;
		}

		if ('/' == rootdup[rootlen-1]) {
			rootdup[rootlen-1] = 0;
		}
		ret = walkpath(rootdup, action, mask);
	}

	free(rootdup);
	return ret;
}