]>
Commit | Line | Data |
---|---|---|
d3dc523b | 1 | /* strerror_l - Get errno description string in given locale. Mach version. |
bfff8b1b | 2 | Copyright (C) 2007-2017 Free Software Foundation, Inc. |
d3dc523b RM |
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 | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
d3dc523b RM |
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 | ||
28 | ||
29 | static __thread char *last_value; | |
30 | ||
31 | ||
32 | static const char * | |
33 | translate (const char *str, locale_t loc) | |
34 | { | |
35 | locale_t oldloc = __uselocale (loc); | |
36 | const char *res = _(str); | |
37 | __uselocale (oldloc); | |
38 | return res; | |
39 | } | |
40 | ||
41 | ||
42 | /* Return a string describing the errno code in ERRNUM. */ | |
43 | char * | |
44 | strerror_l (int errnum, locale_t loc) | |
45 | { | |
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 | free (last_value); | |
61 | if (__asprintf (&last_value, "%s%X", | |
62 | translate ("Error in unknown error system: ", loc), | |
63 | errnum) == -1) | |
64 | last_value = NULL; | |
65 | ||
66 | return last_value; | |
67 | } | |
68 | ||
69 | es = &__mach_error_systems[system]; | |
70 | ||
71 | if (sub >= es->max_sub) | |
72 | return (char *) translate (es->bad_sub, loc); | |
73 | ||
74 | if (code >= es->subsystem[sub].max_code) | |
75 | { | |
76 | free (last_value); | |
77 | if (__asprintf (&last_value, "%s%s %d", | |
78 | translate ("Unknown error ", loc), | |
79 | translate (es->subsystem[sub].subsys_name, loc), | |
80 | errnum) == -1) | |
81 | last_value = NULL; | |
82 | ||
83 | return last_value; | |
84 | } | |
85 | ||
86 | return (char *) translate (es->subsystem[sub].codes[code], loc); | |
87 | } | |
88 | ||
89 | ||
90 | #ifdef _LIBC | |
91 | # ifdef _LIBC_REENTRANT | |
92 | /* This is called when a thread is exiting to free the last_value string. */ | |
93 | static void __attribute__ ((section ("__libc_thread_freeres_fn"))) | |
94 | strerror_thread_freeres (void) | |
95 | { | |
96 | free (last_value); | |
97 | } | |
98 | text_set_element (__libc_thread_subfreeres, strerror_thread_freeres); | |
99 | text_set_element (__libc_subfreeres, strerror_thread_freeres); | |
100 | # endif | |
101 | #endif |