mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-26 23:10:06 +00:00
61645263d4
2004-03-22 Jakub Jelinek <jakub@redhat.com> * sysdeps/unix/sysv/linux/sparc/sparc32/getpagesize.c (__getpagesize): Avoid warning about writing into read-only memory. * string/Makefile (routines): Add xpg-strerror. * string/string.h (strerror_r): If __USE_XOPEN2K but not __USE_GNU, redirect strerror_r to __xpg_strerror_r. * string/Versions (libc): Add __xpg_strerror_r@@GLIBC_2.3.4. * sysdeps/generic/xpg-strerror.c: New file. * sysdeps/mach/xpg-strerror.c: New file.
84 lines
2.4 KiB
C
84 lines
2.4 KiB
C
/* Copyright (C) 1993, 1995, 1996, 1997, 1998, 2000, 2002, 2004
|
|
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 <errno.h>
|
|
#include <libintl.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <mach/error.h>
|
|
#include <errorlib.h>
|
|
#include <sys/param.h>
|
|
#include <stdio-common/_itoa.h>
|
|
|
|
/* It is critical here that we always use the `dcgettext' function for
|
|
the message translation. Since <libintl.h> only defines the macro
|
|
`dgettext' to use `dcgettext' for optimizing programs this is not
|
|
always guaranteed. */
|
|
#ifndef dgettext
|
|
# include <locale.h> /* We need LC_MESSAGES. */
|
|
# define dgettext(domainname, msgid) dcgettext (domainname, msgid, LC_MESSAGES)
|
|
#endif
|
|
|
|
/* Fill buf with a string describing the errno code in ERRNUM. */
|
|
int
|
|
__xpg_strerror_r (int errnum, char *buf, size_t buflen)
|
|
{
|
|
int system;
|
|
int sub;
|
|
int code;
|
|
const struct error_system *es;
|
|
extern void __mach_error_map_compat (int *);
|
|
const char *estr;
|
|
|
|
__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)
|
|
{
|
|
__set_errno (EINVAL);
|
|
return -1;
|
|
}
|
|
|
|
es = &__mach_error_systems[system];
|
|
|
|
if (sub >= es->max_sub)
|
|
estr = (const char *) es->bad_sub;
|
|
else if (code >= es->subsystem[sub].max_code)
|
|
{
|
|
__set_errno (EINVAL);
|
|
return -1;
|
|
}
|
|
else
|
|
estr = (const char *) _(es->subsystem[sub].codes[code]);
|
|
|
|
size_t estrlen = strlen (estr) + 1;
|
|
|
|
if (buflen < estrlen)
|
|
{
|
|
__set_errno (ERANGE);
|
|
return -1;
|
|
}
|
|
|
|
memcpy (buf, estr, estrlen);
|
|
return 0;
|
|
}
|