c4ffc05574
Replace instances in tests of mostly LGPL-2.1 license boilerplate with SPDX tags. Signed-off-by: Rob Herring <robh@kernel.org> Message-Id: <20190620211944.9378-5-robh@kernel.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
77 lines
1.8 KiB
C
77 lines
1.8 KiB
C
// SPDX-License-Identifier: LGPL-2.1-or-later
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/*
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* libfdt - Flat Device Tree manipulation
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* Testcase for fdt_parent_offset()
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* Copyright (C) 2006 David Gibson, IBM Corporation.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdint.h>
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#include <libfdt.h>
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#include "tests.h"
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#include "testdata.h"
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static int path_parent_len(const char *path)
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{
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const char *p = strrchr(path, '/');
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if (!p)
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TEST_BUG();
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if (p == path)
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return 1;
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else
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return p - path;
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}
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static void check_path(struct fdt_header *fdt, const char *path)
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{
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char *parentpath;
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int nodeoffset, parentoffset, parentpathoffset, pathparentlen;
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pathparentlen = path_parent_len(path);
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parentpath = alloca(pathparentlen + 1);
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strncpy(parentpath, path, pathparentlen);
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parentpath[pathparentlen] = '\0';
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verbose_printf("Path: \"%s\"\tParent: \"%s\"\n", path, parentpath);
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nodeoffset = fdt_path_offset(fdt, path);
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if (nodeoffset < 0)
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FAIL("fdt_path_offset(%s): %s", path, fdt_strerror(nodeoffset));
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parentpathoffset = fdt_path_offset(fdt, parentpath);
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if (parentpathoffset < 0)
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FAIL("fdt_path_offset(%s): %s", parentpath,
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fdt_strerror(parentpathoffset));
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parentoffset = fdt_parent_offset(fdt, nodeoffset);
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if (parentoffset < 0)
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FAIL("fdt_parent_offset(): %s", fdt_strerror(parentoffset));
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if (parentoffset != parentpathoffset)
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FAIL("fdt_parent_offset() returns %d instead of %d",
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parentoffset, parentpathoffset);
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}
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int main(int argc, char *argv[])
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{
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void *fdt;
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int err;
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test_init(argc, argv);
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fdt = load_blob_arg(argc, argv);
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check_path(fdt, "/subnode@1");
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check_path(fdt, "/subnode@2");
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check_path(fdt, "/subnode@1/subsubnode");
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check_path(fdt, "/subnode@2/subsubnode@0");
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err = fdt_parent_offset(fdt, 0);
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if (err != -FDT_ERR_NOTFOUND)
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FAIL("fdt_parent_offset(/) returns %d instead of "
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"-FDT_ERR_NOTFOUND", err);
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PASS();
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}
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