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1/* strerror_l - Get errno description string in given locale. Mach version.
2 Copyright (C) 2007-2019 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 <http://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 <mach/error.h>
25#include <errorlib.h>
26#include <sys/param.h>
27#include <libc-symbols.h>
28
29
30static __thread char *last_value;
31
32
33static const char *
34translate (const char *str, locale_t loc)
35{
36 locale_t oldloc = __uselocale (loc);
37 const char *res = _(str);
38 __uselocale (oldloc);
39 return res;
40}
41
42
43/* Return a string describing the errno code in ERRNUM. */
44char *
45strerror_l (int errnum, locale_t loc)
46{
47 int system;
48 int sub;
49 int code;
50 const struct error_system *es;
51 extern void __mach_error_map_compat (int *);
52
53 __mach_error_map_compat (&errnum);
54
55 system = err_get_system (errnum);
56 sub = err_get_sub (errnum);
57 code = err_get_code (errnum);
58
59 if (system > err_max_system || ! __mach_error_systems[system].bad_sub)
60 {
61 free (last_value);
62 if (__asprintf (&last_value, "%s%X",
63 translate ("Error in unknown error system: ", loc),
64 errnum) == -1)
65 last_value = NULL;
66
67 return last_value;
68 }
69
70 es = &__mach_error_systems[system];
71
72 if (sub >= es->max_sub)
73 return (char *) translate (es->bad_sub, loc);
74
75 if (code >= es->subsystem[sub].max_code)
76 {
77 free (last_value);
78 if (__asprintf (&last_value, "%s%s %d",
79 translate ("Unknown error ", loc),
80 translate (es->subsystem[sub].subsys_name, loc),
81 errnum) == -1)
82 last_value = NULL;
83
84 return last_value;
85 }
86
87 return (char *) translate (es->subsystem[sub].codes[code], loc);
88}
89
90/* This is called when a thread is exiting to free the last_value string. */
91void
92__strerror_thread_freeres (void)
93{
94 free (last_value);
95}
96text_set_element (__libc_subfreeres, __strerror_thread_freeres);
97

Warning: That file was not part of the compilation database. It may have many parsing errors.