/* $NetBSD: del_property.c,v 1.1.1.2 2017/06/08 15:59:26 skrll Exp $ */ /* * libfdt - Flat Device Tree manipulation * Testcase for fdt_delprop() * 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 #include "tests.h" #include "testdata.h" int main(int argc, char *argv[]) { void *fdt; const uint32_t *intp; const char *strp; int err, lenerr; int oldsize, delsize, newsize; test_init(argc, argv); fdt = load_blob_arg(argc, argv); fdt = open_blob_rw(fdt); oldsize = fdt_totalsize(fdt); intp = check_getprop_cell(fdt, 0, "prop-int", TEST_VALUE_1); verbose_printf("int value was 0x%08x\n", *intp); err = fdt_delprop(fdt, 0, "prop-int"); if (err) FAIL("Failed to delete \"prop-int\": %s", fdt_strerror(err)); intp = fdt_getprop(fdt, 0, "prop-int", &lenerr); if (intp) FAIL("prop-int still present after deletion"); if (lenerr != -FDT_ERR_NOTFOUND) FAIL("Unexpected error on second getprop: %s", fdt_strerror(lenerr)); strp = check_getprop(fdt, 0, "prop-str", strlen(TEST_STRING_1)+1, TEST_STRING_1); verbose_printf("string value was \"%s\"\n", strp); err = fdt_delprop(fdt, 0, "prop-str"); if (err) FAIL("Failed to delete \"prop-str\": %s", fdt_strerror(err)); strp = fdt_getprop(fdt, 0, "prop-str", &lenerr); if (strp) FAIL("prop-str still present after deletion"); if (lenerr != -FDT_ERR_NOTFOUND) FAIL("Unexpected error on second getprop: %s", fdt_strerror(lenerr)); delsize = fdt_totalsize(fdt); err = fdt_pack(fdt); if (err) FAIL("fdt_pack(): %s\n", fdt_strerror(err)); newsize = fdt_totalsize(fdt); verbose_printf("oldsize = %d, delsize = %d, newsize = %d\n", oldsize, delsize, newsize); if (newsize >= oldsize) FAIL("Tree failed to shrink after deletions"); PASS(); }