// SPDX-License-Identifier: GPL-2.0-or-later/* * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation.  2005. */ #include "dtc.h" #include <dirent.h>#include <sys/stat.h> static struct node *read_fstree(const char *dirname){	DIR *d;	struct dirent *de;	struct stat st;	struct node *tree; 	d = opendir(dirname);	if (!d)		die("Couldn't opendir() \"%s\": %s\n", dirname, strerror(errno)); 	tree = build_node(NULL, NULL, NULL); 	while ((de = readdir(d)) != NULL) {		char *tmpname; 		if (streq(de->d_name, ".")		    || streq(de->d_name, ".."))			continue; 		tmpname = join_path(dirname, de->d_name); 		if (stat(tmpname, &st) < 0)			die("stat(%s): %s\n", tmpname, strerror(errno)); 		if (S_ISREG(st.st_mode)) {			struct property *prop;			FILE *pfile; 			pfile = fopen(tmpname, "rb");			if (! pfile) {				fprintf(stderr,					"WARNING: Cannot open %s: %s\n",					tmpname, strerror(errno));			} else {				prop = build_property(de->d_name,						      data_copy_file(pfile,								     st.st_size),						      NULL);				add_property(tree, prop);				fclose(pfile);			}		} else if (S_ISDIR(st.st_mode)) {			struct node *newchild; 			newchild = read_fstree(tmpname);			newchild = name_node(newchild, xstrdup(de->d_name));			add_child(tree, newchild);		} 		free(tmpname);	} 	closedir(d);	return tree;} struct dt_info *dt_from_fs(const char *dirname){	struct node *tree; 	tree = read_fstree(dirname);	tree = name_node(tree, ""); 	return build_dt_info(DTSF_V1, NULL, tree, guess_boot_cpuid(tree));}