1 /* $NetBSD: node_check_compatible.c,v 1.1.1.3 2019/12/22 12:34:05 skrll Exp $ */ 2 3 // SPDX-License-Identifier: LGPL-2.1-or-later 4 /* 5 * libfdt - Flat Device Tree manipulation 6 * Testcase for fdt_node_check_compatible() 7 * Copyright (C) 2006 David Gibson, IBM Corporation. 8 */ 9 10 #include <stdlib.h> 11 #include <stdio.h> 12 #include <string.h> 13 #include <stdint.h> 14 15 #include <libfdt.h> 16 17 #include "tests.h" 18 #include "testdata.h" 19 20 static void check_compatible(const void *fdt, const char *path, 21 const char *compat) 22 { 23 int offset, err; 24 25 offset = fdt_path_offset(fdt, path); 26 if (offset < 0) 27 FAIL("fdt_path_offset(%s): %s", path, fdt_strerror(offset)); 28 29 err = fdt_node_check_compatible(fdt, offset, compat); 30 if (err < 0) 31 FAIL("fdt_node_check_compatible(%s): %s", path, 32 fdt_strerror(err)); 33 if (err != 0) 34 FAIL("%s is not compatible with \"%s\"", path, compat); 35 } 36 37 static void check_not_compatible(const void *fdt, const char *path, 38 const char *compat) 39 { 40 int offset, err; 41 42 offset = fdt_path_offset(fdt, path); 43 if (offset < 0) 44 FAIL("fdt_path_offset(%s): %s", path, fdt_strerror(offset)); 45 46 err = fdt_node_check_compatible(fdt, offset, compat); 47 if (err < 0) 48 FAIL("fdt_node_check_compatible(%s): %s", path, 49 fdt_strerror(err)); 50 if (err == 0) 51 FAIL("%s is incorrectly compatible with \"%s\"", path, compat); 52 } 53 54 int main(int argc, char *argv[]) 55 { 56 void *fdt; 57 58 test_init(argc, argv); 59 fdt = load_blob_arg(argc, argv); 60 61 check_compatible(fdt, "/", "test_tree1"); 62 check_compatible(fdt, "/subnode@1/subsubnode", "subsubnode1"); 63 check_compatible(fdt, "/subnode@1/subsubnode", "subsubnode"); 64 check_not_compatible(fdt, "/subnode@1/subsubnode", "subsubnode2"); 65 check_compatible(fdt, "/subnode@2/subsubnode", "subsubnode2"); 66 check_compatible(fdt, "/subnode@2/subsubnode", "subsubnode"); 67 check_not_compatible(fdt, "/subnode@2/subsubnode", "subsubnode1"); 68 69 PASS(); 70 } 71