1 | /* Copyright (C) 1993-2022 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <string.h> |
19 | #include <libintl.h> |
20 | #include <stdio.h> |
21 | #include <string.h> |
22 | #include <mach/error.h> |
23 | #include <errorlib.h> |
24 | |
25 | /* Return a string describing the errno code in ERRNUM. */ |
26 | char * |
27 | __strerror_r (int errnum, char *buf, size_t buflen) |
28 | { |
29 | int system; |
30 | int sub; |
31 | int code; |
32 | const struct error_system *es; |
33 | extern void __mach_error_map_compat (int *); |
34 | |
35 | __mach_error_map_compat (&errnum); |
36 | |
37 | system = err_get_system (errnum); |
38 | sub = err_get_sub (errnum); |
39 | code = err_get_code (errnum); |
40 | |
41 | if (system > err_max_system || ! __mach_error_systems[system].bad_sub) |
42 | { |
43 | __snprintf (buf, buflen, "%s: %d" , _("Error in unknown error system: " ), |
44 | errnum); |
45 | return buf; |
46 | } |
47 | |
48 | es = &__mach_error_systems[system]; |
49 | |
50 | if (sub >= es->max_sub) |
51 | return (char *) es->bad_sub; |
52 | |
53 | if (code >= es->subsystem[sub].max_code) |
54 | { |
55 | __snprintf (buf, buflen, "%s%s %d" , _("Unknown error " ), |
56 | es->subsystem[sub].subsys_name, errnum); |
57 | return buf; |
58 | } |
59 | |
60 | return (char *) _(es->subsystem[sub].codes[code]); |
61 | } |
62 | libc_hidden_def (__strerror_r) |
63 | weak_alias (__strerror_r, strerror_r) |
64 | |