1// SPDX-License-Identifier: GPL-2.0-or-later
 2/*
 3 * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation.  2005.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 4 */
 5
 6#include "dtc.h"
 7
 8#include <dirent.h>
 9#include <sys/stat.h>
10
11static struct node *read_fstree(const char *dirname)
12{
13	DIR *d;
14	struct dirent *de;
15	struct stat st;
16	struct node *tree;
17
18	d = opendir(dirname);
19	if (!d)
20		die("Couldn't opendir() \"%s\": %s\n", dirname, strerror(errno));
21
22	tree = build_node(NULL, NULL, NULL);
23
24	while ((de = readdir(d)) != NULL) {
25		char *tmpname;
26
27		if (streq(de->d_name, ".")
28		    || streq(de->d_name, ".."))
29			continue;
30
31		tmpname = join_path(dirname, de->d_name);
32
33		if (stat(tmpname, &st) < 0)
34			die("stat(%s): %s\n", tmpname, strerror(errno));
35
36		if (S_ISREG(st.st_mode)) {
37			struct property *prop;
38			FILE *pfile;
39
40			pfile = fopen(tmpname, "rb");
41			if (! pfile) {
42				fprintf(stderr,
43					"WARNING: Cannot open %s: %s\n",
44					tmpname, strerror(errno));
45			} else {
46				prop = build_property(de->d_name,
47						      data_copy_file(pfile,
48								     st.st_size),
49						      NULL);
50				add_property(tree, prop);
51				fclose(pfile);
52			}
53		} else if (S_ISDIR(st.st_mode)) {
54			struct node *newchild;
55
56			newchild = read_fstree(tmpname);
57			newchild = name_node(newchild, xstrdup(de->d_name));
58			add_child(tree, newchild);
59		}
60
61		free(tmpname);
62	}
63
64	closedir(d);
65	return tree;
66}
67
68struct dt_info *dt_from_fs(const char *dirname)
69{
70	struct node *tree;
71
72	tree = read_fstree(dirname);
73	tree = name_node(tree, "");
74
75	return build_dt_info(DTSF_V1, NULL, tree, guess_boot_cpuid(tree));
76}

 
 1/*
 2 * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation.  2005.
 3 *
 4 *
 5 * This program is free software; you can redistribute it and/or
 6 * modify it under the terms of the GNU General Public License as
 7 * published by the Free Software Foundation; either version 2 of the
 8 * License, or (at your option) any later version.
 9 *
10 *  This program is distributed in the hope that it will be useful,
11 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13 *  General Public License for more details.
14 *
15 *  You should have received a copy of the GNU General Public License
16 *  along with this program; if not, write to the Free Software
17 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
18 *                                                                   USA
19 */
20
21#include "dtc.h"
22
23#include <dirent.h>
24#include <sys/stat.h>
25
26static struct node *read_fstree(const char *dirname)
27{
28	DIR *d;
29	struct dirent *de;
30	struct stat st;
31	struct node *tree;
32
33	d = opendir(dirname);
34	if (!d)
35		die("Couldn't opendir() \"%s\": %s\n", dirname, strerror(errno));
36
37	tree = build_node(NULL, NULL);
38
39	while ((de = readdir(d)) != NULL) {
40		char *tmpname;
41
42		if (streq(de->d_name, ".")
43		    || streq(de->d_name, ".."))
44			continue;
45
46		tmpname = join_path(dirname, de->d_name);
47
48		if (lstat(tmpname, &st) < 0)
49			die("stat(%s): %s\n", tmpname, strerror(errno));
50
51		if (S_ISREG(st.st_mode)) {
52			struct property *prop;
53			FILE *pfile;
54
55			pfile = fopen(tmpname, "rb");
56			if (! pfile) {
57				fprintf(stderr,
58					"WARNING: Cannot open %s: %s\n",
59					tmpname, strerror(errno));
60			} else {
61				prop = build_property(xstrdup(de->d_name),
62						      data_copy_file(pfile,
63								     st.st_size));
 
64				add_property(tree, prop);
65				fclose(pfile);
66			}
67		} else if (S_ISDIR(st.st_mode)) {
68			struct node *newchild;
69
70			newchild = read_fstree(tmpname);
71			newchild = name_node(newchild, xstrdup(de->d_name));
72			add_child(tree, newchild);
73		}
74
75		free(tmpname);
76	}
77
78	closedir(d);
79	return tree;
80}
81
82struct boot_info *dt_from_fs(const char *dirname)
83{
84	struct node *tree;
85
86	tree = read_fstree(dirname);
87	tree = name_node(tree, "");
88
89	return build_boot_info(NULL, tree, guess_boot_cpuid(tree));
90}
91