powerpc: Have git ignore generated files from dtc compile
[linux-2.6.git] / scripts / dtc / fstree.c
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
26 static 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 *tmpnam;
41
42                 if (streq(de->d_name, ".")
43                     || streq(de->d_name, ".."))
44                         continue;
45
46                 tmpnam = join_path(dirname, de->d_name);
47
48                 if (lstat(tmpnam, &st) < 0)
49                         die("stat(%s): %s\n", tmpnam, strerror(errno));
50
51                 if (S_ISREG(st.st_mode)) {
52                         struct property *prop;
53                         FILE *pfile;
54
55                         pfile = fopen(tmpnam, "r");
56                         if (! pfile) {
57                                 fprintf(stderr,
58                                         "WARNING: Cannot open %s: %s\n",
59                                         tmpnam, strerror(errno));
60                         } else {
61                                 prop = build_property(strdup(de->d_name),
62                                                       data_copy_file(pfile,
63                                                                      st.st_size),
64                                                       NULL);
65                                 add_property(tree, prop);
66                                 fclose(pfile);
67                         }
68                 } else if (S_ISDIR(st.st_mode)) {
69                         struct node *newchild;
70
71                         newchild = read_fstree(tmpnam);
72                         newchild = name_node(newchild, strdup(de->d_name),
73                                              NULL);
74                         add_child(tree, newchild);
75                 }
76
77                 free(tmpnam);
78         }
79
80         return tree;
81 }
82
83 struct boot_info *dt_from_fs(const char *dirname)
84 {
85         struct node *tree;
86
87         tree = read_fstree(dirname);
88         tree = name_node(tree, "", NULL);
89
90         return build_boot_info(NULL, tree, 0);
91 }
92