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* libfdt - Flat Device Tree manipulation
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* Testcase for fdt_nop_node()
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* Copyright (C) 2006 David Gibson, IBM Corporation.
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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int main(int argc, char *argv[])
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int subnode1_offset, subnode2_offset, subsubnode2_offset;
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int oldsize, delsize, newsize;
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test_init(argc, argv);
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fdt = load_blob_arg(argc, argv);
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fdt = open_blob_rw(fdt);
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oldsize = fdt_totalsize(fdt);
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subnode1_offset = fdt_path_offset(fdt, "/subnode@1");
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if (subnode1_offset < 0)
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FAIL("Couldn't find \"/subnode@1\": %s",
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fdt_strerror(subnode1_offset));
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check_getprop_cell(fdt, subnode1_offset, "prop-int", TEST_VALUE_1);
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subnode2_offset = fdt_path_offset(fdt, "/subnode@2");
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if (subnode2_offset < 0)
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FAIL("Couldn't find \"/subnode@2\": %s",
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fdt_strerror(subnode2_offset));
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check_getprop_cell(fdt, subnode2_offset, "prop-int", TEST_VALUE_2);
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subsubnode2_offset = fdt_path_offset(fdt, "/subnode@2/subsubnode");
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if (subsubnode2_offset < 0)
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FAIL("Couldn't find \"/subnode@2/subsubnode\": %s",
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fdt_strerror(subsubnode2_offset));
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check_getprop_cell(fdt, subsubnode2_offset, "prop-int", TEST_VALUE_2);
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err = fdt_del_node(fdt, subnode1_offset);
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FAIL("fdt_del_node(subnode1): %s", fdt_strerror(err));
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subnode1_offset = fdt_path_offset(fdt, "/subnode@1");
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if (subnode1_offset != -FDT_ERR_NOTFOUND)
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FAIL("fdt_path_offset(subnode1) returned \"%s\" instead of \"%s\"",
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fdt_strerror(subnode1_offset),
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fdt_strerror(-FDT_ERR_NOTFOUND));
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subnode2_offset = fdt_path_offset(fdt, "/subnode@2");
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if (subnode2_offset < 0)
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FAIL("Couldn't find \"/subnode2\": %s",
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fdt_strerror(subnode2_offset));
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check_getprop_cell(fdt, subnode2_offset, "prop-int", TEST_VALUE_2);
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subsubnode2_offset = fdt_path_offset(fdt, "/subnode@2/subsubnode");
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if (subsubnode2_offset < 0)
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FAIL("Couldn't find \"/subnode@2/subsubnode\": %s",
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fdt_strerror(subsubnode2_offset));
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check_getprop_cell(fdt, subsubnode2_offset, "prop-int", TEST_VALUE_2);
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err = fdt_del_node(fdt, subnode2_offset);
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FAIL("fdt_del_node(subnode2): %s", fdt_strerror(err));
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subnode1_offset = fdt_path_offset(fdt, "/subnode@1");
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if (subnode1_offset != -FDT_ERR_NOTFOUND)
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FAIL("fdt_path_offset(subnode1) returned \"%s\" instead of \"%s\"",
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fdt_strerror(subnode1_offset),
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fdt_strerror(-FDT_ERR_NOTFOUND));
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subnode2_offset = fdt_path_offset(fdt, "/subnode@2");
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if (subnode2_offset != -FDT_ERR_NOTFOUND)
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FAIL("fdt_path_offset(subnode2) returned \"%s\" instead of \"%s\"",
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fdt_strerror(subnode2_offset),
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fdt_strerror(-FDT_ERR_NOTFOUND));
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subsubnode2_offset = fdt_path_offset(fdt, "/subnode@2/subsubnode");
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if (subsubnode2_offset != -FDT_ERR_NOTFOUND)
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FAIL("fdt_path_offset(subsubnode2) returned \"%s\" instead of \"%s\"",
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fdt_strerror(subsubnode2_offset),
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fdt_strerror(-FDT_ERR_NOTFOUND));
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delsize = fdt_totalsize(fdt);
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FAIL("fdt_pack(): %s", fdt_strerror(err));
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newsize = fdt_totalsize(fdt);
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verbose_printf("oldsize = %d, delsize = %d, newsize = %d\n",
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oldsize, delsize, newsize);
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if (newsize >= oldsize)
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FAIL("Tree failed to shrink after deletions");