mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-14 17:11:06 +00:00
102 lines
2.7 KiB
C
102 lines
2.7 KiB
C
/* strerror_l - Get errno description string in given locale. Mach version.
|
|
Copyright (C) 2007, 2008 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <libintl.h>
|
|
#include <locale.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <mach/error.h>
|
|
#include <errorlib.h>
|
|
#include <sys/param.h>
|
|
|
|
|
|
static __thread char *last_value;
|
|
|
|
|
|
static const char *
|
|
translate (const char *str, locale_t loc)
|
|
{
|
|
locale_t oldloc = __uselocale (loc);
|
|
const char *res = _(str);
|
|
__uselocale (oldloc);
|
|
return res;
|
|
}
|
|
|
|
|
|
/* Return a string describing the errno code in ERRNUM. */
|
|
char *
|
|
strerror_l (int errnum, locale_t loc)
|
|
{
|
|
int system;
|
|
int sub;
|
|
int code;
|
|
const struct error_system *es;
|
|
extern void __mach_error_map_compat (int *);
|
|
|
|
__mach_error_map_compat (&errnum);
|
|
|
|
system = err_get_system (errnum);
|
|
sub = err_get_sub (errnum);
|
|
code = err_get_code (errnum);
|
|
|
|
if (system > err_max_system || ! __mach_error_systems[system].bad_sub)
|
|
{
|
|
free (last_value);
|
|
if (__asprintf (&last_value, "%s%X",
|
|
translate ("Error in unknown error system: ", loc),
|
|
errnum) == -1)
|
|
last_value = NULL;
|
|
|
|
return last_value;
|
|
}
|
|
|
|
es = &__mach_error_systems[system];
|
|
|
|
if (sub >= es->max_sub)
|
|
return (char *) translate (es->bad_sub, loc);
|
|
|
|
if (code >= es->subsystem[sub].max_code)
|
|
{
|
|
free (last_value);
|
|
if (__asprintf (&last_value, "%s%s %d",
|
|
translate ("Unknown error ", loc),
|
|
translate (es->subsystem[sub].subsys_name, loc),
|
|
errnum) == -1)
|
|
last_value = NULL;
|
|
|
|
return last_value;
|
|
}
|
|
|
|
return (char *) translate (es->subsystem[sub].codes[code], loc);
|
|
}
|
|
|
|
|
|
#ifdef _LIBC
|
|
# ifdef _LIBC_REENTRANT
|
|
/* This is called when a thread is exiting to free the last_value string. */
|
|
static void __attribute__ ((section ("__libc_thread_freeres_fn")))
|
|
strerror_thread_freeres (void)
|
|
{
|
|
free (last_value);
|
|
}
|
|
text_set_element (__libc_thread_subfreeres, strerror_thread_freeres);
|
|
text_set_element (__libc_subfreeres, strerror_thread_freeres);
|
|
# endif
|
|
#endif
|