1/* 2 * libfdt - Flat Device Tree manipulation 3 * Basic testcase for read-only access 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 21#include <stdlib.h> 22#include <stdio.h> 23#include <string.h> 24#include <limits.h> 25#include <stdint.h> 26 27#include <libfdt.h> 28 29#include "tests.h" 30#include "testdata.h" 31 32int main(int argc, char *argv[]) 33{ 34 void *fdt, *fdt1; 35 void *buf; 36 int oldsize, bufsize, packsize; 37 int err; 38 const char *inname; 39 char outname[PATH_MAX]; 40 41 test_init(argc, argv); 42 fdt = load_blob_arg(argc, argv); 43 inname = argv[1]; 44 45 oldsize = fdt_totalsize(fdt); 46 47 bufsize = oldsize * 2; 48 49 buf = xmalloc(bufsize); 50 /* don't leak uninitialized memory into our output */ 51 memset(buf, 0, bufsize); 52 53 fdt1 = buf; 54 err = fdt_open_into(fdt, fdt1, bufsize); 55 if (err) 56 FAIL("fdt_open_into(): %s", fdt_strerror(err)); 57 sprintf(outname, "opened.%s", inname); 58 save_blob(outname, fdt1); 59 60 err = fdt_pack(fdt1); 61 if (err) 62 FAIL("fdt_pack(): %s", fdt_strerror(err)); 63 sprintf(outname, "repacked.%s", inname); 64 save_blob(outname, fdt1); 65 66 packsize = fdt_totalsize(fdt1); 67 68 verbose_printf("oldsize = %d, bufsize = %d, packsize = %d\n", 69 oldsize, bufsize, packsize); 70 PASS(); 71} 72