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* sysdeps/mach/strerror_l.c: New file.

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Roland McGrath 2008-11-26 19:45:00 +00:00
parent 24fd0a5bec
commit d3dc523b22
2 changed files with 106 additions and 0 deletions
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@ -19,6 +19,10 @@
Subdirectories moved to ports repository.
* configure.in (base_machine): Remove alpha case.
2008-11-25 Thomas Schwinge <tschwinge@gnu.org>
* sysdeps/mach/strerror_l.c: New file.
2008-11-13 Ryan S. Arnold <rsa@us.ibm.com>
[BZ #6411]

102
sysdeps/mach/strerror_l.c Normal file
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/* 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#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