1 /* Copyright (C) 1991, 1993, 1995-1998, 2000, 2002, 2004, 2010, 2011
2 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, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
25 #include <sys/param.h>
26 #include <stdio-common/_itoa.h>
28 /* It is critical here that we always use the `dcgettext' function for
29 the message translation. Since <libintl.h> only defines the macro
30 `dgettext' to use `dcgettext' for optimizing programs this is not
33 # include <locale.h> /* We need LC_MESSAGES. */
34 # define dgettext(domainname, msgid) dcgettext (domainname, msgid, LC_MESSAGES)
37 /* Fill buf with a string describing the errno code in ERRNUM. */
39 __xpg_strerror_r (int errnum, char *buf, size_t buflen)
41 const char *estr = __strerror_r (errnum, buf, buflen);
42 size_t estrlen = strlen (estr);
44 if (errnum < 0 || errnum >= _sys_nerr_internal
45 || _sys_errlist_internal[errnum] == NULL)
49 /* Terminate the string in any case. */
50 *((char *) __mempcpy (buf, estr, MIN (buflen - 1, estrlen))) = '\0';
52 return buflen <= estrlen ? ERANGE : 0;