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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
* (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)
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{
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));
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tree = build_node(NULL, NULL, NULL);
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while ((de = readdir(d)) != NULL) {
char *tmpname;
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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));
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if (S_ISREG(st.st_mode)) {
struct property *prop;
FILE *pfile;
pfile = fopen(tmpname, "rb");
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if (! pfile) {
fprintf(stderr,
"WARNING: Cannot open %s: %s\n",
tmpname, strerror(errno));
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} else {
prop = build_property(xstrdup(de->d_name),
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data_copy_file(pfile,
st.st_size),
NULL);
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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));
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add_child(tree, newchild);
}
free(tmpname);
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}
closedir(d);
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return tree;
}
struct dt_info *dt_from_fs(const char *dirname)
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{
struct node *tree;
tree = read_fstree(dirname);
tree = name_node(tree, "");
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return build_dt_info(DTSF_V1, NULL, tree, guess_boot_cpuid(tree));
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}