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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /scripts/dtc/fstree.c | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | scripts/dtc/fstree.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/scripts/dtc/fstree.c b/scripts/dtc/fstree.c new file mode 100644 index 000000000..5e59594ab --- /dev/null +++ b/scripts/dtc/fstree.c @@ -0,0 +1,76 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * (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) +{ + 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)); + + tree = build_node(NULL, 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 (stat(tmpname, &st) < 0) + die("stat(%s): %s\n", 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\n", + tmpname, strerror(errno)); + } else { + prop = build_property(xstrdup(de->d_name), + data_copy_file(pfile, + st.st_size), + NULL); + 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)); +} |