1 /* $NetBSD: set_name.c,v 1.1.1.3 2019/12/22 12:34:07 skrll Exp $ */ 2 3 // SPDX-License-Identifier: LGPL-2.1-or-later 4 /* 5 * libfdt - Flat Device Tree manipulation 6 * Testcase for fdt_set_name() 7 * Copyright (C) 2006 David Gibson, IBM Corporation. 8 */ 9 #include <stdlib.h> 10 #include <stdio.h> 11 #include <string.h> 12 #include <stdint.h> 13 14 #include <libfdt.h> 15 16 #include "tests.h" 17 #include "testdata.h" 18 19 static void check_set_name(void *fdt, const char *path, const char *newname) 20 { 21 int offset; 22 const char *getname, *oldname; 23 int len, err; 24 25 oldname = strrchr(path, '/'); 26 if (!oldname) 27 TEST_BUG(); 28 oldname += 1; 29 30 offset = fdt_path_offset(fdt, path); 31 if (offset < 0) 32 FAIL("Couldn't find %s", path); 33 34 getname = fdt_get_name(fdt, offset, &len); 35 verbose_printf("fdt_get_name(%d) returns \"%s\" (len=%d)\n", 36 offset, getname, len); 37 if (!getname) 38 FAIL("fdt_get_name(%d): %s", offset, fdt_strerror(len)); 39 40 if (strcmp(getname, oldname) != 0) 41 FAIL("fdt_get_name(%s) returned \"%s\" instead of \"%s\"", 42 path, getname, oldname); 43 44 if (len != strlen(getname)) 45 FAIL("fdt_get_name(%s) returned length %d instead of %zd", 46 path, len, strlen(getname)); 47 48 err = fdt_set_name(fdt, offset, newname); 49 if (err) 50 FAIL("fdt_set_name(%d, \"%s\"): %s", offset, newname, 51 fdt_strerror(err)); 52 53 getname = fdt_get_name(fdt, offset, &len); 54 if (!getname) 55 FAIL("fdt_get_name(%d): %s", offset, fdt_strerror(len)); 56 57 if (strcmp(getname, newname) != 0) 58 FAIL("fdt_get_name(%s) returned \"%s\" instead of \"%s\"", 59 path, getname, newname); 60 61 if (len != strlen(getname)) 62 FAIL("fdt_get_name(%s) returned length %d instead of %zd", 63 path, len, strlen(getname)); 64 } 65 66 int main(int argc, char *argv[]) 67 { 68 void *fdt; 69 70 test_init(argc, argv); 71 fdt = load_blob_arg(argc, argv); 72 fdt = open_blob_rw(fdt); 73 74 check_set_name(fdt, "/subnode@1", "subnode@17"); 75 check_set_name(fdt, "/subnode@2/subsubnode@0", "fred@0"); 76 check_set_name(fdt, "/subnode@17/subsubnode", "something@0"); 77 78 PASS(); 79 } 80