You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
124 lines
4.0 KiB
124 lines
4.0 KiB
// SPDX-License-Identifier: LGPL-2.1-or-later |
|
/* |
|
* libfdt - Flat Device Tree manipulation |
|
* Testcase for fdt_path_offset() |
|
* Copyright (C) 2006 David Gibson, IBM Corporation. |
|
*/ |
|
#include <stdlib.h> |
|
#include <stdio.h> |
|
#include <string.h> |
|
#include <stdint.h> |
|
|
|
#include <libfdt.h> |
|
|
|
#include "tests.h" |
|
#include "testdata.h" |
|
|
|
static int check_subnode(void *fdt, int parent, const char *name) |
|
{ |
|
int offset; |
|
const struct fdt_node_header *nh; |
|
uint32_t tag; |
|
|
|
verbose_printf("Checking subnode \"%s\" of %d...", name, parent); |
|
offset = fdt_subnode_offset(fdt, parent, name); |
|
verbose_printf("offset %d...", offset); |
|
if (offset < 0) |
|
FAIL("fdt_subnode_offset(\"%s\"): %s", name, fdt_strerror(offset)); |
|
nh = fdt_offset_ptr(fdt, offset, sizeof(*nh)); |
|
verbose_printf("pointer %p\n", nh); |
|
if (! nh) |
|
FAIL("NULL retrieving subnode \"%s\"", name); |
|
|
|
tag = fdt32_to_cpu(nh->tag); |
|
|
|
if (tag != FDT_BEGIN_NODE) |
|
FAIL("Incorrect tag 0x%08x on property \"%s\"", tag, name); |
|
if (!nodename_eq(nh->name, name)) |
|
FAIL("Subnode name mismatch \"%s\" instead of \"%s\"", |
|
nh->name, name); |
|
|
|
return offset; |
|
} |
|
|
|
static void check_path_offset(void *fdt, const char *path, int offset) |
|
{ |
|
int rc; |
|
|
|
verbose_printf("Checking offset of \"%s\" is %d...\n", path, offset); |
|
|
|
rc = fdt_path_offset(fdt, path); |
|
if (rc < 0) |
|
FAIL("fdt_path_offset(\"%s\") failed: %s", |
|
path, fdt_strerror(rc)); |
|
if (rc != offset) |
|
FAIL("fdt_path_offset(\"%s\") returned incorrect offset" |
|
" %d instead of %d", path, rc, offset); |
|
} |
|
|
|
static void check_path_offset_namelen(void *fdt, const char *path, int namelen, |
|
int offset) |
|
{ |
|
int rc; |
|
|
|
verbose_printf("Checking offset of \"%s\" [first %d characters]" |
|
" is %d...\n", path, namelen, offset); |
|
|
|
rc = fdt_path_offset_namelen(fdt, path, namelen); |
|
if (rc == offset) |
|
return; |
|
|
|
if (rc < 0) |
|
FAIL("fdt_path_offset_namelen(\"%s\", %d) failed: %s", |
|
path, namelen, fdt_strerror(rc)); |
|
else |
|
FAIL("fdt_path_offset_namelen(\"%s\", %d) returned incorrect" |
|
" offset %d instead of %d", path, namelen, rc, offset); |
|
} |
|
|
|
int main(int argc, char *argv[]) |
|
{ |
|
void *fdt; |
|
int subnode1_offset, subnode2_offset; |
|
int subsubnode1_offset, subsubnode2_offset, subsubnode2_offset2; |
|
|
|
test_init(argc, argv); |
|
fdt = load_blob_arg(argc, argv); |
|
|
|
check_path_offset(fdt, "/", 0); |
|
|
|
subnode1_offset = check_subnode(fdt, 0, "subnode@1"); |
|
subnode2_offset = check_subnode(fdt, 0, "subnode@2"); |
|
|
|
check_path_offset(fdt, "/subnode@1", subnode1_offset); |
|
check_path_offset(fdt, "/subnode@2", subnode2_offset); |
|
|
|
subsubnode1_offset = check_subnode(fdt, subnode1_offset, "subsubnode"); |
|
subsubnode2_offset = check_subnode(fdt, subnode2_offset, "subsubnode@0"); |
|
subsubnode2_offset2 = check_subnode(fdt, subnode2_offset, "subsubnode"); |
|
|
|
check_path_offset(fdt, "/subnode@1/subsubnode", subsubnode1_offset); |
|
check_path_offset(fdt, "/subnode@2/subsubnode@0", subsubnode2_offset); |
|
check_path_offset(fdt, "/subnode@2/subsubnode", subsubnode2_offset2); |
|
|
|
/* Test paths with extraneous separators */ |
|
check_path_offset(fdt, "//", 0); |
|
check_path_offset(fdt, "///", 0); |
|
check_path_offset(fdt, "//subnode@1", subnode1_offset); |
|
check_path_offset(fdt, "/subnode@1/", subnode1_offset); |
|
check_path_offset(fdt, "//subnode@1///", subnode1_offset); |
|
check_path_offset(fdt, "/subnode@2////subsubnode", subsubnode2_offset2); |
|
|
|
/* Test fdt_path_offset_namelen() */ |
|
check_path_offset_namelen(fdt, "/subnode@1", 1, 0); |
|
check_path_offset_namelen(fdt, "/subnode@1/subsubnode", 10, subnode1_offset); |
|
check_path_offset_namelen(fdt, "/subnode@1/subsubnode", 11, subnode1_offset); |
|
check_path_offset_namelen(fdt, "/subnode@2TRAILINGGARBAGE", 10, subnode2_offset); |
|
check_path_offset_namelen(fdt, "/subnode@2TRAILINGGARBAGE", 11, -FDT_ERR_NOTFOUND); |
|
check_path_offset_namelen(fdt, "/subnode@2/subsubnode@0/more", 23, subsubnode2_offset2); |
|
check_path_offset_namelen(fdt, "/subnode@2/subsubnode@0/more", 22, -FDT_ERR_NOTFOUND); |
|
check_path_offset_namelen(fdt, "/subnode@2/subsubnode@0/more", 24, subsubnode2_offset2); |
|
check_path_offset_namelen(fdt, "/subnode@2/subsubnode@0/more", 25, -FDT_ERR_NOTFOUND); |
|
|
|
PASS(); |
|
}
|
|
|