PageRenderTime 10ms CodeModel.GetById 6ms app.highlight 2ms RepoModel.GetById 2ms app.codeStats 0ms

/scripts/dtc/libfdt/fdt_strerror.c

http://github.com/mirrors/linux
C | 59 lines | 43 code | 10 blank | 6 comment | 7 complexity | 17be4b8189893983b80ad03ef948b722 MD5 | raw file
 1// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
 2/*
 3 * libfdt - Flat Device Tree manipulation
 4 * Copyright (C) 2006 David Gibson, IBM Corporation.
 5 *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 6 */
 7#include "libfdt_env.h"
 8
 9#include <fdt.h>
10#include <libfdt.h>
11
12#include "libfdt_internal.h"
13
14struct fdt_errtabent {
15	const char *str;
16};
17
18#define FDT_ERRTABENT(val) \
19	[(val)] = { .str = #val, }
20
21static struct fdt_errtabent fdt_errtable[] = {
22	FDT_ERRTABENT(FDT_ERR_NOTFOUND),
23	FDT_ERRTABENT(FDT_ERR_EXISTS),
24	FDT_ERRTABENT(FDT_ERR_NOSPACE),
25
26	FDT_ERRTABENT(FDT_ERR_BADOFFSET),
27	FDT_ERRTABENT(FDT_ERR_BADPATH),
28	FDT_ERRTABENT(FDT_ERR_BADPHANDLE),
29	FDT_ERRTABENT(FDT_ERR_BADSTATE),
30
31	FDT_ERRTABENT(FDT_ERR_TRUNCATED),
32	FDT_ERRTABENT(FDT_ERR_BADMAGIC),
33	FDT_ERRTABENT(FDT_ERR_BADVERSION),
34	FDT_ERRTABENT(FDT_ERR_BADSTRUCTURE),
35	FDT_ERRTABENT(FDT_ERR_BADLAYOUT),
36	FDT_ERRTABENT(FDT_ERR_INTERNAL),
37	FDT_ERRTABENT(FDT_ERR_BADNCELLS),
38	FDT_ERRTABENT(FDT_ERR_BADVALUE),
39	FDT_ERRTABENT(FDT_ERR_BADOVERLAY),
40	FDT_ERRTABENT(FDT_ERR_NOPHANDLES),
41	FDT_ERRTABENT(FDT_ERR_BADFLAGS),
42};
43#define FDT_ERRTABSIZE	(sizeof(fdt_errtable) / sizeof(fdt_errtable[0]))
44
45const char *fdt_strerror(int errval)
46{
47	if (errval > 0)
48		return "<valid offset/length>";
49	else if (errval == 0)
50		return "<no error>";
51	else if (errval > -FDT_ERRTABSIZE) {
52		const char *s = fdt_errtable[-errval].str;
53
54		if (s)
55			return s;
56	}
57
58	return "<unknown error>";
59}