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12869ecd | 1 | // SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause) |
1cade994 DG |
2 | /* |
3 | * libfdt - Flat Device Tree manipulation | |
4 | * Copyright (C) 2006 David Gibson, IBM Corporation. | |
1cade994 DG |
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 | ||
ed95d745 | 14 | struct fdt_errtabent { |
1cade994 DG |
15 | const char *str; |
16 | }; | |
17 | ||
ed95d745 | 18 | #define FDT_ERRTABENT(val) \ |
1cade994 DG |
19 | [(val)] = { .str = #val, } |
20 | ||
ed95d745 DG |
21 | static struct fdt_errtabent fdt_errtable[] = { |
22 | FDT_ERRTABENT(FDT_ERR_NOTFOUND), | |
23 | FDT_ERRTABENT(FDT_ERR_EXISTS), | |
24 | FDT_ERRTABENT(FDT_ERR_NOSPACE), | |
1cade994 | 25 | |
ed95d745 DG |
26 | FDT_ERRTABENT(FDT_ERR_BADOFFSET), |
27 | FDT_ERRTABENT(FDT_ERR_BADPATH), | |
6f05afcb | 28 | FDT_ERRTABENT(FDT_ERR_BADPHANDLE), |
ed95d745 | 29 | FDT_ERRTABENT(FDT_ERR_BADSTATE), |
1cade994 | 30 | |
ed95d745 DG |
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), | |
6f05afcb RH |
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), | |
9bb9c6a1 | 41 | FDT_ERRTABENT(FDT_ERR_BADFLAGS), |
1cade994 | 42 | }; |
6e9c9686 | 43 | #define FDT_ERRTABSIZE ((int)(sizeof(fdt_errtable) / sizeof(fdt_errtable[0]))) |
1cade994 DG |
44 | |
45 | const char *fdt_strerror(int errval) | |
46 | { | |
47 | if (errval > 0) | |
48 | return "<valid offset/length>"; | |
49 | else if (errval == 0) | |
50 | return "<no error>"; | |
6e9c9686 | 51 | else if (-errval < FDT_ERRTABSIZE) { |
ed95d745 | 52 | const char *s = fdt_errtable[-errval].str; |
1cade994 DG |
53 | |
54 | if (s) | |
55 | return s; | |
56 | } | |
57 | ||
58 | return "<unknown error>"; | |
59 | } |