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.
91 lines
2.5 KiB
91 lines
2.5 KiB
/* |
|
* libfdt - Flat Device Tree manipulation |
|
* Testcase for fdt_get_path() |
|
* Copyright (C) 2006 David Gibson, IBM Corporation. |
|
* |
|
* This library is free software; you can redistribute it and/or |
|
* modify it under the terms of the GNU Lesser General Public License |
|
* as published by the Free Software Foundation; either version 2.1 of |
|
* the License, or (at your option) any later version. |
|
* |
|
* This library 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 |
|
* Lesser General Public License for more details. |
|
* |
|
* You should have received a copy of the GNU Lesser General Public |
|
* License along with this library; if not, write to the Free Software |
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
#define _GNU_SOURCE |
|
|
|
#include <stdlib.h> |
|
#include <stdio.h> |
|
#include <string.h> |
|
#include <stdint.h> |
|
|
|
#include <fdt.h> |
|
#include <libfdt.h> |
|
|
|
#include "tests.h" |
|
#include "testdata.h" |
|
|
|
#define POISON ('\xff') |
|
|
|
void check_path_buf(void *fdt, const char *path, int pathlen, int buflen) |
|
{ |
|
int offset; |
|
char buf[buflen+1]; |
|
int len; |
|
|
|
offset = fdt_path_offset(fdt, path); |
|
if (offset < 0) |
|
FAIL("Couldn't find path \"%s\": %s", path, fdt_strerror(offset)); |
|
|
|
memset(buf, POISON, sizeof(buf)); /* poison the buffer */ |
|
|
|
len = fdt_get_path(fdt, offset, buf, buflen); |
|
if (buflen <= pathlen) { |
|
if (len != -FDT_ERR_NOSPACE) |
|
FAIL("fdt_get_path([%d bytes]) returns %d with " |
|
"insufficient buffer space", buflen, len); |
|
} else { |
|
if (len < 0) |
|
FAIL("fdt_get_path([%d bytes]): %s", buflen, |
|
fdt_strerror(len)); |
|
if (len != pathlen) |
|
FAIL("fdt_get_path([%d bytes]) reports length %d " |
|
"instead of %d", buflen, len, pathlen); |
|
if (strcmp(buf, path) != 0) |
|
FAIL("fdt_get_path([%d bytes]) returns \"%s\" " |
|
"instead of \"%s\"", buflen, buf, path); |
|
} |
|
|
|
if (buf[buflen] != POISON) |
|
FAIL("fdt_get_path([%d bytes]) overran buffer", buflen); |
|
} |
|
|
|
void check_path(void *fdt, const char *path) |
|
{ |
|
int pathlen = strlen(path); |
|
|
|
check_path_buf(fdt, path, pathlen, 1024); |
|
check_path_buf(fdt, path, pathlen, pathlen+1); |
|
check_path_buf(fdt, path, pathlen, pathlen); |
|
} |
|
|
|
int main(int argc, char *argv[]) |
|
{ |
|
void *fdt; |
|
|
|
test_init(argc, argv); |
|
fdt = load_blob_arg(argc, argv); |
|
|
|
check_path(fdt, "/"); |
|
check_path(fdt, "/subnode@1"); |
|
check_path(fdt, "/subnode@2"); |
|
check_path(fdt, "/subnode@1/subsubnode"); |
|
check_path(fdt, "/subnode@2/subsubnode@0"); |
|
|
|
PASS(); |
|
}
|
|
|