From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/dtc/tests/parent_offset.c | 90 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 qemu/dtc/tests/parent_offset.c (limited to 'qemu/dtc/tests/parent_offset.c') diff --git a/qemu/dtc/tests/parent_offset.c b/qemu/dtc/tests/parent_offset.c new file mode 100644 index 000000000..d4ab3cff3 --- /dev/null +++ b/qemu/dtc/tests/parent_offset.c @@ -0,0 +1,90 @@ +/* + * libfdt - Flat Device Tree manipulation + * Testcase for fdt_parent_offset() + * 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 + */ +#include +#include +#include +#include + +#include + +#include "tests.h" +#include "testdata.h" + +static int path_parent_len(const char *path) +{ + const char *p = strrchr(path, '/'); + + if (!p) + TEST_BUG(); + if (p == path) + return 1; + else + return p - path; +} + +static void check_path(struct fdt_header *fdt, const char *path) +{ + char *parentpath; + int nodeoffset, parentoffset, parentpathoffset, pathparentlen; + + pathparentlen = path_parent_len(path); + parentpath = alloca(pathparentlen + 1); + strncpy(parentpath, path, pathparentlen); + parentpath[pathparentlen] = '\0'; + + verbose_printf("Path: \"%s\"\tParent: \"%s\"\n", path, parentpath); + + nodeoffset = fdt_path_offset(fdt, path); + if (nodeoffset < 0) + FAIL("fdt_path_offset(%s): %s", path, fdt_strerror(nodeoffset)); + + parentpathoffset = fdt_path_offset(fdt, parentpath); + if (parentpathoffset < 0) + FAIL("fdt_path_offset(%s): %s", parentpath, + fdt_strerror(parentpathoffset)); + + parentoffset = fdt_parent_offset(fdt, nodeoffset); + if (parentoffset < 0) + FAIL("fdt_parent_offset(): %s", fdt_strerror(parentoffset)); + + if (parentoffset != parentpathoffset) + FAIL("fdt_parent_offset() returns %d instead of %d", + parentoffset, parentpathoffset); +} + +int main(int argc, char *argv[]) +{ + void *fdt; + int err; + + test_init(argc, argv); + fdt = load_blob_arg(argc, argv); + + check_path(fdt, "/subnode@1"); + check_path(fdt, "/subnode@2"); + check_path(fdt, "/subnode@1/subsubnode"); + check_path(fdt, "/subnode@2/subsubnode@0"); + err = fdt_parent_offset(fdt, 0); + if (err != -FDT_ERR_NOTFOUND) + FAIL("fdt_parent_offset(/) returns %d instead of " + "-FDT_ERR_NOTFOUND", err); + + PASS(); +} -- cgit 1.2.3-korg