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scripts/dtc/fstree.c
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/*
* (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
*
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#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
", dirname, strerror(errno));
tree = build_node(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 (lstat(tmpname, &st) < 0)
die("stat(%s): %s
", 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
",
tmpname, strerror(errno));
} else {
prop = build_property(xstrdup(de->d_name),
data_copy_file(pfile,
st.st_size));
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));
}
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