1 /* $NetBSD: fdt_strerror.c,v 1.1.1.2 2017/06/08 15:53:12 skrll Exp $ */ 2 3 /* 4 * libfdt - Flat Device Tree manipulation 5 * Copyright (C) 2006 David Gibson, IBM Corporation. 6 * 7 * libfdt is dual licensed: you can use it either under the terms of 8 * the GPL, or the BSD license, at your option. 9 * 10 * a) This library is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License as 12 * published by the Free Software Foundation; either version 2 of the 13 * License, or (at your option) any later version. 14 * 15 * This library is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public 21 * License along with this library; if not, write to the Free 22 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, 23 * MA 02110-1301 USA 24 * 25 * Alternatively, 26 * 27 * b) Redistribution and use in source and binary forms, with or 28 * without modification, are permitted provided that the following 29 * conditions are met: 30 * 31 * 1. Redistributions of source code must retain the above 32 * copyright notice, this list of conditions and the following 33 * disclaimer. 34 * 2. Redistributions in binary form must reproduce the above 35 * copyright notice, this list of conditions and the following 36 * disclaimer in the documentation and/or other materials 37 * provided with the distribution. 38 * 39 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 40 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 41 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 42 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 43 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 44 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 49 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 50 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 51 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 52 */ 53 #include "libfdt_env.h" 54 55 #include <fdt.h> 56 #include <libfdt.h> 57 58 #include "libfdt_internal.h" 59 60 struct fdt_errtabent { 61 const char *str; 62 }; 63 64 #define FDT_ERRTABENT(val) \ 65 [(val)] = { .str = #val, } 66 67 static struct fdt_errtabent fdt_errtable[] = { 68 FDT_ERRTABENT(FDT_ERR_NOTFOUND), 69 FDT_ERRTABENT(FDT_ERR_EXISTS), 70 FDT_ERRTABENT(FDT_ERR_NOSPACE), 71 72 FDT_ERRTABENT(FDT_ERR_BADOFFSET), 73 FDT_ERRTABENT(FDT_ERR_BADPATH), 74 FDT_ERRTABENT(FDT_ERR_BADPHANDLE), 75 FDT_ERRTABENT(FDT_ERR_BADSTATE), 76 77 FDT_ERRTABENT(FDT_ERR_TRUNCATED), 78 FDT_ERRTABENT(FDT_ERR_BADMAGIC), 79 FDT_ERRTABENT(FDT_ERR_BADVERSION), 80 FDT_ERRTABENT(FDT_ERR_BADSTRUCTURE), 81 FDT_ERRTABENT(FDT_ERR_BADLAYOUT), 82 FDT_ERRTABENT(FDT_ERR_INTERNAL), 83 FDT_ERRTABENT(FDT_ERR_BADNCELLS), 84 FDT_ERRTABENT(FDT_ERR_BADVALUE), 85 FDT_ERRTABENT(FDT_ERR_BADOVERLAY), 86 FDT_ERRTABENT(FDT_ERR_NOPHANDLES), 87 }; 88 #define FDT_ERRTABSIZE (sizeof(fdt_errtable) / sizeof(fdt_errtable[0])) 89 90 const char *fdt_strerror(int errval) 91 { 92 if (errval > 0) 93 return "<valid offset/length>"; 94 else if (errval == 0) 95 return "<no error>"; 96 else if (errval > -FDT_ERRTABSIZE) { 97 const char *s = fdt_errtable[-errval].str; 98 99 if (s) 100 return s; 101 } 102 103 return "<unknown error>"; 104 } 105