1 /* strerror_l - Get errno description string in given locale. Mach version.
2 Copyright (C) 2007, 2008 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
24 #include <mach/error.h>
26 #include <sys/param.h>
29 static __thread
char *last_value
;
33 translate (const char *str
, locale_t loc
)
35 locale_t oldloc
= __uselocale (loc
);
36 const char *res
= _(str
);
42 /* Return a string describing the errno code in ERRNUM. */
44 strerror_l (int errnum
, locale_t loc
)
49 const struct error_system
*es
;
50 extern void __mach_error_map_compat (int *);
52 __mach_error_map_compat (&errnum
);
54 system
= err_get_system (errnum
);
55 sub
= err_get_sub (errnum
);
56 code
= err_get_code (errnum
);
58 if (system
> err_max_system
|| ! __mach_error_systems
[system
].bad_sub
)
61 if (__asprintf (&last_value
, "%s%X",
62 translate ("Error in unknown error system: ", loc
),
69 es
= &__mach_error_systems
[system
];
71 if (sub
>= es
->max_sub
)
72 return (char *) translate (es
->bad_sub
, loc
);
74 if (code
>= es
->subsystem
[sub
].max_code
)
77 if (__asprintf (&last_value
, "%s%s %d",
78 translate ("Unknown error ", loc
),
79 translate (es
->subsystem
[sub
].subsys_name
, loc
),
86 return (char *) translate (es
->subsystem
[sub
].codes
[code
], loc
);
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)
98 text_set_element (__libc_thread_subfreeres
, strerror_thread_freeres
);
99 text_set_element (__libc_subfreeres
, strerror_thread_freeres
);