1 | /* strerror_l - Get errno description string in given locale. Mach version. |
2 | Copyright (C) 2007-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <libintl.h> |
20 | #include <locale.h> |
21 | #include <stdio.h> |
22 | #include <stdlib.h> |
23 | #include <string.h> |
24 | #include <errno.h> |
25 | #include <mach/error.h> |
26 | #include <errorlib.h> |
27 | #include <tls-internal.h> |
28 | |
29 | |
30 | static const char * |
31 | translate (const char *str, locale_t loc) |
32 | { |
33 | locale_t oldloc = __uselocale (loc); |
34 | const char *res = _(str); |
35 | __uselocale (oldloc); |
36 | return res; |
37 | } |
38 | |
39 | |
40 | /* Return a string describing the errno code in ERRNUM. */ |
41 | char * |
42 | __strerror_l (int errnum, locale_t loc) |
43 | { |
44 | int saved_errno = errno; |
45 | char *err; |
46 | int system; |
47 | int sub; |
48 | int code; |
49 | const struct error_system *es; |
50 | extern void __mach_error_map_compat (int *); |
51 | |
52 | __mach_error_map_compat (&errnum); |
53 | |
54 | system = err_get_system (errnum); |
55 | sub = err_get_sub (errnum); |
56 | code = err_get_code (errnum); |
57 | |
58 | if (system > err_max_system || ! __mach_error_systems[system].bad_sub) |
59 | { |
60 | struct tls_internal_t *tls_internal = __glibc_tls_internal (); |
61 | free (ptr: tls_internal->strerror_l_buf); |
62 | if (__asprintf (&tls_internal->strerror_l_buf, "%s%X" , |
63 | translate (str: "Error in unknown error system: " , loc), |
64 | errnum) == -1) |
65 | tls_internal->strerror_l_buf = NULL; |
66 | |
67 | __set_errno (saved_errno); |
68 | return tls_internal->strerror_l_buf; |
69 | } |
70 | |
71 | es = &__mach_error_systems[system]; |
72 | |
73 | if (sub >= es->max_sub) |
74 | err = (char *) translate (str: es->bad_sub, loc); |
75 | else if (code >= es->subsystem[sub].max_code) |
76 | { |
77 | struct tls_internal_t *tls_internal = __glibc_tls_internal (); |
78 | free (ptr: tls_internal->strerror_l_buf); |
79 | if (__asprintf (&tls_internal->strerror_l_buf, "%s%s %d" , |
80 | translate (str: "Unknown error " , loc), |
81 | translate (str: es->subsystem[sub].subsys_name, loc), |
82 | errnum) == -1) |
83 | tls_internal->strerror_l_buf = NULL; |
84 | |
85 | err = tls_internal->strerror_l_buf; |
86 | } |
87 | else |
88 | err = (char *) translate (str: es->subsystem[sub].codes[code], loc); |
89 | |
90 | __set_errno (saved_errno); |
91 | return err; |
92 | } |
93 | weak_alias (__strerror_l, strerror_l) |
94 | libc_hidden_def (__strerror_l) |
95 | |