diff options
-rw-r--r-- | ChangeLog | 4 | ||||
-rw-r--r-- | sysdeps/mach/strerror_l.c | 102 |
2 files changed, 106 insertions, 0 deletions
@@ -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] diff --git a/sysdeps/mach/strerror_l.c b/sysdeps/mach/strerror_l.c new file mode 100644 index 0000000..ccd3bad --- /dev/null +++ b/sysdeps/mach/strerror_l.c @@ -0,0 +1,102 @@ +/* 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 |