1/* $NetBSD: rw_oom.c,v 1.1.1.1 2019/12/22 12:34:06 skrll Exp $ */ 2 3// SPDX-License-Identifier: LGPL-2.1-or-later 4/* 5 * libfdt - Flat Device Tree manipulation 6 * Testcase for fdt_nop_node() 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 21/* This is not derived programmatically. May require adjustment to changes. */ 22#define SPACE 285 23 24#define CHECK(code) \ 25 { \ 26 err = (code); \ 27 if (err) \ 28 FAIL(#code ": %s", fdt_strerror(err)); \ 29 } 30 31#define OFF_CHECK(off, code) \ 32 { \ 33 (off) = (code); \ 34 if (off < 0) \ 35 FAIL(#code ": %s", fdt_strerror(off)); \ 36 } 37 38int main(int argc, char *argv[]) 39{ 40 void *fdt; 41 int err; 42 int offset, s1; 43 int strsize1, strsize2; 44 45 /* 46 * Check OOM path, and check that property is cleaned up if it fails 47 * with OOM, rather than adding an orphan name. 48 * 49 * SW OOM is tested with the realloc/resize strategies. 50 */ 51 test_init(argc, argv); 52 53 fdt = xmalloc(SPACE); 54 55 /* First create empty tree with SW */ 56 CHECK(fdt_create_empty_tree(fdt, SPACE)); 57 58 CHECK(fdt_add_mem_rsv(fdt, TEST_ADDR_1, TEST_SIZE_1)); 59 CHECK(fdt_add_mem_rsv(fdt, TEST_ADDR_2, TEST_SIZE_2)); 60 61 CHECK(fdt_setprop_string(fdt, 0, "compatible", "test_oom")); 62 CHECK(fdt_setprop_u32(fdt, 0, "prop-int", TEST_VALUE_1)); 63 CHECK(fdt_setprop_u64(fdt, 0, "prop-int64", TEST_VALUE64_1)); 64 CHECK(fdt_setprop_string(fdt, 0, "prop-str", TEST_STRING_1)); 65 66 OFF_CHECK(offset, fdt_add_subnode(fdt, 0, "subnode@1")); 67 s1 = offset; 68 69 strsize1 = fdt_size_dt_strings(fdt); 70 err = fdt_setprop_string(fdt, s1, "unique", "subnode1"); 71 if (err != -FDT_ERR_NOSPACE) 72 FAIL("fdt_setprop_string(fdt, s1, \"compatible\", \"subnode1\"): %s", fdt_strerror(err)); 73 strsize2 = fdt_size_dt_strings(fdt); 74 75 if (strsize1 != strsize2) 76 FAIL("fdt_setprop NOSPACE error failed to clean up allocated string\n"); 77 err = 0; 78 79 /* Ensure we failed in the right place */ 80 CHECK(fdt_setprop_string(fdt, s1, "unique", "")); 81 82 CHECK(fdt_pack(fdt)); 83 84 PASS(); 85} 86