1 /* $NetBSD: del_node.c,v 1.1.1.2 2017/06/08 15:59:26 skrll Exp $ */ 2 3 /* 4 * libfdt - Flat Device Tree manipulation 5 * Testcase for fdt_nop_node() 6 * Copyright (C) 2006 David Gibson, IBM Corporation. 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Lesser General Public License 10 * as published by the Free Software Foundation; either version 2.1 of 11 * the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, but 14 * WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public 19 * License along with this library; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 21 */ 22 23 #include <stdlib.h> 24 #include <stdio.h> 25 #include <string.h> 26 #include <ctype.h> 27 #include <stdint.h> 28 29 #include <libfdt.h> 30 31 #include "tests.h" 32 #include "testdata.h" 33 34 int main(int argc, char *argv[]) 35 { 36 void *fdt; 37 int subnode1_offset, subnode2_offset, subsubnode2_offset; 38 int err; 39 int oldsize, delsize, newsize; 40 41 test_init(argc, argv); 42 fdt = load_blob_arg(argc, argv); 43 44 fdt = open_blob_rw(fdt); 45 46 oldsize = fdt_totalsize(fdt); 47 48 subnode1_offset = fdt_path_offset(fdt, "/subnode@1"); 49 if (subnode1_offset < 0) 50 FAIL("Couldn't find \"/subnode@1\": %s", 51 fdt_strerror(subnode1_offset)); 52 check_getprop_cell(fdt, subnode1_offset, "prop-int", TEST_VALUE_1); 53 54 subnode2_offset = fdt_path_offset(fdt, "/subnode@2"); 55 if (subnode2_offset < 0) 56 FAIL("Couldn't find \"/subnode@2\": %s", 57 fdt_strerror(subnode2_offset)); 58 check_getprop_cell(fdt, subnode2_offset, "prop-int", TEST_VALUE_2); 59 60 subsubnode2_offset = fdt_path_offset(fdt, "/subnode@2/subsubnode"); 61 if (subsubnode2_offset < 0) 62 FAIL("Couldn't find \"/subnode@2/subsubnode\": %s", 63 fdt_strerror(subsubnode2_offset)); 64 check_getprop_cell(fdt, subsubnode2_offset, "prop-int", TEST_VALUE_2); 65 66 err = fdt_del_node(fdt, subnode1_offset); 67 if (err) 68 FAIL("fdt_del_node(subnode1): %s", fdt_strerror(err)); 69 70 subnode1_offset = fdt_path_offset(fdt, "/subnode@1"); 71 if (subnode1_offset != -FDT_ERR_NOTFOUND) 72 FAIL("fdt_path_offset(subnode1) returned \"%s\" instead of \"%s\"", 73 fdt_strerror(subnode1_offset), 74 fdt_strerror(-FDT_ERR_NOTFOUND)); 75 76 subnode2_offset = fdt_path_offset(fdt, "/subnode@2"); 77 if (subnode2_offset < 0) 78 FAIL("Couldn't find \"/subnode2\": %s", 79 fdt_strerror(subnode2_offset)); 80 check_getprop_cell(fdt, subnode2_offset, "prop-int", TEST_VALUE_2); 81 82 subsubnode2_offset = fdt_path_offset(fdt, "/subnode@2/subsubnode"); 83 if (subsubnode2_offset < 0) 84 FAIL("Couldn't find \"/subnode@2/subsubnode\": %s", 85 fdt_strerror(subsubnode2_offset)); 86 check_getprop_cell(fdt, subsubnode2_offset, "prop-int", TEST_VALUE_2); 87 88 err = fdt_del_node(fdt, subnode2_offset); 89 if (err) 90 FAIL("fdt_del_node(subnode2): %s", fdt_strerror(err)); 91 92 subnode1_offset = fdt_path_offset(fdt, "/subnode@1"); 93 if (subnode1_offset != -FDT_ERR_NOTFOUND) 94 FAIL("fdt_path_offset(subnode1) returned \"%s\" instead of \"%s\"", 95 fdt_strerror(subnode1_offset), 96 fdt_strerror(-FDT_ERR_NOTFOUND)); 97 98 subnode2_offset = fdt_path_offset(fdt, "/subnode@2"); 99 if (subnode2_offset != -FDT_ERR_NOTFOUND) 100 FAIL("fdt_path_offset(subnode2) returned \"%s\" instead of \"%s\"", 101 fdt_strerror(subnode2_offset), 102 fdt_strerror(-FDT_ERR_NOTFOUND)); 103 104 subsubnode2_offset = fdt_path_offset(fdt, "/subnode@2/subsubnode"); 105 if (subsubnode2_offset != -FDT_ERR_NOTFOUND) 106 FAIL("fdt_path_offset(subsubnode2) returned \"%s\" instead of \"%s\"", 107 fdt_strerror(subsubnode2_offset), 108 fdt_strerror(-FDT_ERR_NOTFOUND)); 109 110 delsize = fdt_totalsize(fdt); 111 112 err = fdt_pack(fdt); 113 if (err) 114 FAIL("fdt_pack(): %s", fdt_strerror(err)); 115 116 newsize = fdt_totalsize(fdt); 117 118 verbose_printf("oldsize = %d, delsize = %d, newsize = %d\n", 119 oldsize, delsize, newsize); 120 121 if (newsize >= oldsize) 122 FAIL("Tree failed to shrink after deletions"); 123 124 PASS(); 125 } 126