1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * This program is free software; you can redistribute it and/or
6*4882a593Smuzhiyun * modify it under the terms of the GNU General Public License as
7*4882a593Smuzhiyun * published by the Free Software Foundation; either version 2 of the
8*4882a593Smuzhiyun * License, or (at your option) any later version.
9*4882a593Smuzhiyun *
10*4882a593Smuzhiyun * This program is distributed in the hope that it will be useful,
11*4882a593Smuzhiyun * but WITHOUT ANY WARRANTY; without even the implied warranty of
12*4882a593Smuzhiyun * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13*4882a593Smuzhiyun * General Public License for more details.
14*4882a593Smuzhiyun *
15*4882a593Smuzhiyun * You should have received a copy of the GNU General Public License
16*4882a593Smuzhiyun * along with this program; if not, write to the Free Software
17*4882a593Smuzhiyun * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
18*4882a593Smuzhiyun * USA
19*4882a593Smuzhiyun */
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun #include "dtc.h"
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun #include <dirent.h>
24*4882a593Smuzhiyun #include <sys/stat.h>
25*4882a593Smuzhiyun
read_fstree(const char * dirname)26*4882a593Smuzhiyun static struct node *read_fstree(const char *dirname)
27*4882a593Smuzhiyun {
28*4882a593Smuzhiyun DIR *d;
29*4882a593Smuzhiyun struct dirent *de;
30*4882a593Smuzhiyun struct stat st;
31*4882a593Smuzhiyun struct node *tree;
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun d = opendir(dirname);
34*4882a593Smuzhiyun if (!d)
35*4882a593Smuzhiyun die("Couldn't opendir() \"%s\": %s\n", dirname, strerror(errno));
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun tree = build_node(NULL, NULL);
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun while ((de = readdir(d)) != NULL) {
40*4882a593Smuzhiyun char *tmpname;
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun if (streq(de->d_name, ".")
43*4882a593Smuzhiyun || streq(de->d_name, ".."))
44*4882a593Smuzhiyun continue;
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun tmpname = join_path(dirname, de->d_name);
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun if (lstat(tmpname, &st) < 0)
49*4882a593Smuzhiyun die("stat(%s): %s\n", tmpname, strerror(errno));
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun if (S_ISREG(st.st_mode)) {
52*4882a593Smuzhiyun struct property *prop;
53*4882a593Smuzhiyun FILE *pfile;
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun pfile = fopen(tmpname, "rb");
56*4882a593Smuzhiyun if (! pfile) {
57*4882a593Smuzhiyun fprintf(stderr,
58*4882a593Smuzhiyun "WARNING: Cannot open %s: %s\n",
59*4882a593Smuzhiyun tmpname, strerror(errno));
60*4882a593Smuzhiyun } else {
61*4882a593Smuzhiyun prop = build_property(xstrdup(de->d_name),
62*4882a593Smuzhiyun data_copy_file(pfile,
63*4882a593Smuzhiyun st.st_size));
64*4882a593Smuzhiyun add_property(tree, prop);
65*4882a593Smuzhiyun fclose(pfile);
66*4882a593Smuzhiyun }
67*4882a593Smuzhiyun } else if (S_ISDIR(st.st_mode)) {
68*4882a593Smuzhiyun struct node *newchild;
69*4882a593Smuzhiyun
70*4882a593Smuzhiyun newchild = read_fstree(tmpname);
71*4882a593Smuzhiyun newchild = name_node(newchild, xstrdup(de->d_name));
72*4882a593Smuzhiyun add_child(tree, newchild);
73*4882a593Smuzhiyun }
74*4882a593Smuzhiyun
75*4882a593Smuzhiyun free(tmpname);
76*4882a593Smuzhiyun }
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun closedir(d);
79*4882a593Smuzhiyun return tree;
80*4882a593Smuzhiyun }
81*4882a593Smuzhiyun
dt_from_fs(const char * dirname)82*4882a593Smuzhiyun struct dt_info *dt_from_fs(const char *dirname)
83*4882a593Smuzhiyun {
84*4882a593Smuzhiyun struct node *tree;
85*4882a593Smuzhiyun
86*4882a593Smuzhiyun tree = read_fstree(dirname);
87*4882a593Smuzhiyun tree = name_node(tree, "");
88*4882a593Smuzhiyun
89*4882a593Smuzhiyun return build_dt_info(DTSF_V1, NULL, tree, guess_boot_cpuid(tree));
90*4882a593Smuzhiyun }
91