1/* 2 * libfdt - Flat Device Tree manipulation 3 * Testcase for fdt_set_name() 4 * Copyright (C) 2006 David Gibson, IBM Corporation. 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public License 8 * as published by the Free Software Foundation; either version 2.1 of 9 * the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, but 12 * WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20#include <stdlib.h> 21#include <stdio.h> 22#include <string.h> 23#include <stdint.h> 24 25#include <libfdt.h> 26 27#include "tests.h" 28#include "testdata.h" 29 30static void check_set_name(void *fdt, const char *path, const char *newname) 31{ 32 int offset; 33 const char *getname, *oldname; 34 int len, err; 35 36 oldname = strrchr(path, '/'); 37 if (!oldname) 38 TEST_BUG(); 39 oldname += 1; 40 41 offset = fdt_path_offset(fdt, path); 42 if (offset < 0) 43 FAIL("Couldn't find %s", path); 44 45 getname = fdt_get_name(fdt, offset, &len); 46 verbose_printf("fdt_get_name(%d) returns \"%s\" (len=%d)\n", 47 offset, getname, len); 48 if (!getname) 49 FAIL("fdt_get_name(%d): %s", offset, fdt_strerror(len)); 50 51 if (strcmp(getname, oldname) != 0) 52 FAIL("fdt_get_name(%s) returned \"%s\" instead of \"%s\"", 53 path, getname, oldname); 54 55 if (len != strlen(getname)) 56 FAIL("fdt_get_name(%s) returned length %d instead of %zd", 57 path, len, strlen(getname)); 58 59 err = fdt_set_name(fdt, offset, newname); 60 if (err) 61 FAIL("fdt_set_name(%d, \"%s\"): %s", offset, newname, 62 fdt_strerror(err)); 63 64 getname = fdt_get_name(fdt, offset, &len); 65 if (!getname) 66 FAIL("fdt_get_name(%d): %s", offset, fdt_strerror(len)); 67 68 if (strcmp(getname, newname) != 0) 69 FAIL("fdt_get_name(%s) returned \"%s\" instead of \"%s\"", 70 path, getname, newname); 71 72 if (len != strlen(getname)) 73 FAIL("fdt_get_name(%s) returned length %d instead of %zd", 74 path, len, strlen(getname)); 75} 76 77int main(int argc, char *argv[]) 78{ 79 void *fdt; 80 81 test_init(argc, argv); 82 fdt = load_blob_arg(argc, argv); 83 fdt = open_blob_rw(fdt); 84 85 check_set_name(fdt, "/subnode@1", "subnode@17"); 86 check_set_name(fdt, "/subnode@2/subsubnode@0", "fred@0"); 87 check_set_name(fdt, "/subnode@17/subsubnode", "something@0"); 88 89 PASS(); 90} 91