1/* $NetBSD: del_property.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_delprop() 7 * Copyright (C) 2006 David Gibson, IBM Corporation. 8 */ 9 10#include <stdlib.h> 11#include <stdio.h> 12#include <string.h> 13#include <ctype.h> 14#include <stdint.h> 15 16#include <libfdt.h> 17 18#include "tests.h" 19#include "testdata.h" 20 21int main(int argc, char *argv[]) 22{ 23 void *fdt; 24 const uint32_t *intp; 25 const char *strp; 26 int err, lenerr; 27 int oldsize, delsize, newsize; 28 29 test_init(argc, argv); 30 fdt = load_blob_arg(argc, argv); 31 32 fdt = open_blob_rw(fdt); 33 34 oldsize = fdt_totalsize(fdt); 35 36 intp = check_getprop_cell(fdt, 0, "prop-int", TEST_VALUE_1); 37 verbose_printf("int value was 0x%08x\n", *intp); 38 39 err = fdt_delprop(fdt, 0, "prop-int"); 40 if (err) 41 FAIL("Failed to delete \"prop-int\": %s", fdt_strerror(err)); 42 43 intp = fdt_getprop(fdt, 0, "prop-int", &lenerr); 44 if (intp) 45 FAIL("prop-int still present after deletion"); 46 if (lenerr != -FDT_ERR_NOTFOUND) 47 FAIL("Unexpected error on second getprop: %s", 48 fdt_strerror(lenerr)); 49 50 strp = check_getprop(fdt, 0, "prop-str", strlen(TEST_STRING_1)+1, 51 TEST_STRING_1); 52 verbose_printf("string value was \"%s\"\n", strp); 53 err = fdt_delprop(fdt, 0, "prop-str"); 54 if (err) 55 FAIL("Failed to delete \"prop-str\": %s", fdt_strerror(err)); 56 57 strp = fdt_getprop(fdt, 0, "prop-str", &lenerr); 58 if (strp) 59 FAIL("prop-str still present after deletion"); 60 if (lenerr != -FDT_ERR_NOTFOUND) 61 FAIL("Unexpected error on second getprop: %s", 62 fdt_strerror(lenerr)); 63 64 delsize = fdt_totalsize(fdt); 65 66 err = fdt_pack(fdt); 67 if (err) 68 FAIL("fdt_pack(): %s\n", fdt_strerror(err)); 69 70 newsize = fdt_totalsize(fdt); 71 72 verbose_printf("oldsize = %d, delsize = %d, newsize = %d\n", 73 oldsize, delsize, newsize); 74 75 if (newsize >= oldsize) 76 FAIL("Tree failed to shrink after deletions"); 77 78 PASS(); 79} 80