1 /* 2 * libfdt - Flat Device Tree manipulation 3 * Testcase for fdt_get_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 30 static void check_name(void *fdt, const char *path) 31 { 32 int offset; 33 const char *getname, *getname2, *checkname; 34 int len; 35 36 checkname = strrchr(path, '/'); 37 if (!checkname) 38 TEST_BUG(); 39 checkname += 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, checkname) != 0) 52 FAIL("fdt_get_name(%s) returned \"%s\" instead of \"%s\"", 53 path, getname, checkname); 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 /* Now check that it doesn't break if we omit len */ 60 getname2 = fdt_get_name(fdt, offset, NULL); 61 if (!getname2) 62 FAIL("fdt_get_name(%d, NULL) failed", offset); 63 if (strcmp(getname2, getname) != 0) 64 FAIL("fdt_get_name(%d, NULL) returned \"%s\" instead of \"%s\"", 65 offset, getname2, getname); 66 } 67 68 int main(int argc, char *argv[]) 69 { 70 void *fdt; 71 72 test_init(argc, argv); 73 fdt = load_blob_arg(argc, argv); 74 75 check_name(fdt, "/"); 76 check_name(fdt, "/subnode@1"); 77 check_name(fdt, "/subnode@2"); 78 check_name(fdt, "/subnode@1/subsubnode"); 79 check_name(fdt, "/subnode@2/subsubnode@0"); 80 81 PASS(); 82 } 83
