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>
124 lines
4 KiB
C
124 lines
4 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_path_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 check_subnode(void *fdt, int parent, const char *name)
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{
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int offset;
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const struct fdt_node_header *nh;
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uint32_t tag;
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verbose_printf("Checking subnode \"%s\" of %d...", name, parent);
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offset = fdt_subnode_offset(fdt, parent, name);
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verbose_printf("offset %d...", offset);
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if (offset < 0)
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FAIL("fdt_subnode_offset(\"%s\"): %s", name, fdt_strerror(offset));
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nh = fdt_offset_ptr(fdt, offset, sizeof(*nh));
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verbose_printf("pointer %p\n", nh);
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if (! nh)
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FAIL("NULL retrieving subnode \"%s\"", name);
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tag = fdt32_to_cpu(nh->tag);
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if (tag != FDT_BEGIN_NODE)
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FAIL("Incorrect tag 0x%08x on property \"%s\"", tag, name);
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if (!nodename_eq(nh->name, name))
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FAIL("Subnode name mismatch \"%s\" instead of \"%s\"",
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nh->name, name);
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return offset;
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}
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static void check_path_offset(void *fdt, char *path, int offset)
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{
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int rc;
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verbose_printf("Checking offset of \"%s\" is %d...\n", path, offset);
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rc = fdt_path_offset(fdt, path);
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if (rc < 0)
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FAIL("fdt_path_offset(\"%s\") failed: %s",
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path, fdt_strerror(rc));
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if (rc != offset)
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FAIL("fdt_path_offset(\"%s\") returned incorrect offset"
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" %d instead of %d", path, rc, offset);
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}
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static void check_path_offset_namelen(void *fdt, char *path, int namelen,
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int offset)
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{
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int rc;
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verbose_printf("Checking offset of \"%s\" [first %d characters]"
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" is %d...\n", path, namelen, offset);
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rc = fdt_path_offset_namelen(fdt, path, namelen);
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if (rc == offset)
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return;
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if (rc < 0)
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FAIL("fdt_path_offset_namelen(\"%s\", %d) failed: %s",
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path, namelen, fdt_strerror(rc));
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else
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FAIL("fdt_path_offset_namelen(\"%s\", %d) returned incorrect"
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" offset %d instead of %d", path, namelen, rc, offset);
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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 subnode1_offset, subnode2_offset;
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int subsubnode1_offset, subsubnode2_offset, subsubnode2_offset2;
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test_init(argc, argv);
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fdt = load_blob_arg(argc, argv);
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check_path_offset(fdt, "/", 0);
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subnode1_offset = check_subnode(fdt, 0, "subnode@1");
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subnode2_offset = check_subnode(fdt, 0, "subnode@2");
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check_path_offset(fdt, "/subnode@1", subnode1_offset);
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check_path_offset(fdt, "/subnode@2", subnode2_offset);
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subsubnode1_offset = check_subnode(fdt, subnode1_offset, "subsubnode");
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subsubnode2_offset = check_subnode(fdt, subnode2_offset, "subsubnode@0");
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subsubnode2_offset2 = check_subnode(fdt, subnode2_offset, "subsubnode");
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check_path_offset(fdt, "/subnode@1/subsubnode", subsubnode1_offset);
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check_path_offset(fdt, "/subnode@2/subsubnode@0", subsubnode2_offset);
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check_path_offset(fdt, "/subnode@2/subsubnode", subsubnode2_offset2);
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/* Test paths with extraneous separators */
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check_path_offset(fdt, "//", 0);
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check_path_offset(fdt, "///", 0);
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check_path_offset(fdt, "//subnode@1", subnode1_offset);
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check_path_offset(fdt, "/subnode@1/", subnode1_offset);
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check_path_offset(fdt, "//subnode@1///", subnode1_offset);
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check_path_offset(fdt, "/subnode@2////subsubnode", subsubnode2_offset2);
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/* Test fdt_path_offset_namelen() */
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check_path_offset_namelen(fdt, "/subnode@1", 1, 0);
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check_path_offset_namelen(fdt, "/subnode@1/subsubnode", 10, subnode1_offset);
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check_path_offset_namelen(fdt, "/subnode@1/subsubnode", 11, subnode1_offset);
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check_path_offset_namelen(fdt, "/subnode@2TRAILINGGARBAGE", 10, subnode2_offset);
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check_path_offset_namelen(fdt, "/subnode@2TRAILINGGARBAGE", 11, -FDT_ERR_NOTFOUND);
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check_path_offset_namelen(fdt, "/subnode@2/subsubnode@0/more", 23, subsubnode2_offset2);
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check_path_offset_namelen(fdt, "/subnode@2/subsubnode@0/more", 22, -FDT_ERR_NOTFOUND);
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check_path_offset_namelen(fdt, "/subnode@2/subsubnode@0/more", 24, subsubnode2_offset2);
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check_path_offset_namelen(fdt, "/subnode@2/subsubnode@0/more", 25, -FDT_ERR_NOTFOUND);
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PASS();
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}
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