diff options
Diffstat (limited to 'string/xpg-strerror.c')
-rw-r--r-- | string/xpg-strerror.c | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/string/xpg-strerror.c b/string/xpg-strerror.c deleted file mode 100644 index 4a5e59d5ab..0000000000 --- a/string/xpg-strerror.c +++ /dev/null @@ -1,53 +0,0 @@ -/* Copyright (C) 1991-2017 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 <assert.h> -#include <errno.h> -#include <stdio.h> -#include <string.h> -#include <sys/param.h> - - -/* Fill buf with a string describing the errno code in ERRNUM. */ -int -__xpg_strerror_r (int errnum, char *buf, size_t buflen) -{ - const char *estr = __strerror_r (errnum, buf, buflen); - - /* We know that __strerror_r returns buf (with a dynamically computed - string) if errnum is invalid, otherwise it returns a string whose - storage has indefinite extent. */ - if (estr == buf) - { - assert (errnum < 0 || errnum >= _sys_nerr_internal - || _sys_errlist_internal[errnum] == NULL); - return EINVAL; - } - else - { - assert (errnum >= 0 && errnum < _sys_nerr_internal - && _sys_errlist_internal[errnum] != NULL); - - size_t estrlen = strlen (estr); - - /* Terminate the string in any case. */ - if (buflen > 0) - *((char *) __mempcpy (buf, estr, MIN (buflen - 1, estrlen))) = '\0'; - - return buflen <= estrlen ? ERANGE : 0; - } -} |