1 /* $NetBSD: open_pack.c,v 1.1.1.2 2017/06/08 15:59:27 skrll Exp $ */ 2 3 /* 4 * libfdt - Flat Device Tree manipulation 5 * Basic testcase for read-only access 6 * Copyright (C) 2006 David Gibson, IBM Corporation. 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Lesser General Public License 10 * as published by the Free Software Foundation; either version 2.1 of 11 * the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, but 14 * WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public 19 * License along with this library; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 21 */ 22 23 #include <stdlib.h> 24 #include <stdio.h> 25 #include <string.h> 26 #include <limits.h> 27 #include <stdint.h> 28 29 #include <libfdt.h> 30 31 #include "tests.h" 32 #include "testdata.h" 33 34 int main(int argc, char *argv[]) 35 { 36 void *fdt, *fdt1; 37 void *buf; 38 int oldsize, bufsize, packsize; 39 int err; 40 const char *inname; 41 char outname[PATH_MAX]; 42 43 test_init(argc, argv); 44 fdt = load_blob_arg(argc, argv); 45 inname = argv[1]; 46 47 oldsize = fdt_totalsize(fdt); 48 49 bufsize = oldsize * 2; 50 51 buf = xmalloc(bufsize); 52 /* don't leak uninitialized memory into our output */ 53 memset(buf, 0, bufsize); 54 55 fdt1 = buf; 56 err = fdt_open_into(fdt, fdt1, bufsize); 57 if (err) 58 FAIL("fdt_open_into(): %s", fdt_strerror(err)); 59 sprintf(outname, "opened.%s", inname); 60 save_blob(outname, fdt1); 61 62 err = fdt_pack(fdt1); 63 if (err) 64 FAIL("fdt_pack(): %s", fdt_strerror(err)); 65 sprintf(outname, "repacked.%s", inname); 66 save_blob(outname, fdt1); 67 68 packsize = fdt_totalsize(fdt1); 69 70 verbose_printf("oldsize = %d, bufsize = %d, packsize = %d\n", 71 oldsize, bufsize, packsize); 72 PASS(); 73 } 74