1 /* $NetBSD: set_name.c,v 1.1.1.2 2017/06/08 15:59:27 skrll Exp $ */ 2 3 /* 4 * libfdt - Flat Device Tree manipulation 5 * Testcase for fdt_set_name() 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 #include <stdlib.h> 23 #include <stdio.h> 24 #include <string.h> 25 #include <stdint.h> 26 27 #include <libfdt.h> 28 29 #include "tests.h" 30 #include "testdata.h" 31 32 static void check_set_name(void *fdt, const char *path, const char *newname) 33 { 34 int offset; 35 const char *getname, *oldname; 36 int len, err; 37 38 oldname = strrchr(path, '/'); 39 if (!oldname) 40 TEST_BUG(); 41 oldname += 1; 42 43 offset = fdt_path_offset(fdt, path); 44 if (offset < 0) 45 FAIL("Couldn't find %s", path); 46 47 getname = fdt_get_name(fdt, offset, &len); 48 verbose_printf("fdt_get_name(%d) returns \"%s\" (len=%d)\n", 49 offset, getname, len); 50 if (!getname) 51 FAIL("fdt_get_name(%d): %s", offset, fdt_strerror(len)); 52 53 if (strcmp(getname, oldname) != 0) 54 FAIL("fdt_get_name(%s) returned \"%s\" instead of \"%s\"", 55 path, getname, oldname); 56 57 if (len != strlen(getname)) 58 FAIL("fdt_get_name(%s) returned length %d instead of %zd", 59 path, len, strlen(getname)); 60 61 err = fdt_set_name(fdt, offset, newname); 62 if (err) 63 FAIL("fdt_set_name(%d, \"%s\"): %s", offset, newname, 64 fdt_strerror(err)); 65 66 getname = fdt_get_name(fdt, offset, &len); 67 if (!getname) 68 FAIL("fdt_get_name(%d): %s", offset, fdt_strerror(len)); 69 70 if (strcmp(getname, newname) != 0) 71 FAIL("fdt_get_name(%s) returned \"%s\" instead of \"%s\"", 72 path, getname, newname); 73 74 if (len != strlen(getname)) 75 FAIL("fdt_get_name(%s) returned length %d instead of %zd", 76 path, len, strlen(getname)); 77 } 78 79 int main(int argc, char *argv[]) 80 { 81 void *fdt; 82 83 test_init(argc, argv); 84 fdt = load_blob_arg(argc, argv); 85 fdt = open_blob_rw(fdt); 86 87 check_set_name(fdt, "/subnode@1", "subnode@17"); 88 check_set_name(fdt, "/subnode@2/subsubnode@0", "fred@0"); 89 check_set_name(fdt, "/subnode@17/subsubnode", "something@0"); 90 91 PASS(); 92 } 93