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dc36d6f9bb
Remove ancient SCCS tags from the tree, automated scripting, with two minor fixup to keep things compiling. All the common forms in the tree were removed with a perl script. Sponsored by: Netflix
140 lines
3.7 KiB
C
140 lines
3.7 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if defined(NLS)
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#include <nl_types.h>
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#endif
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#include <limits.h>
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#include <errno.h>
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#include <string.h>
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#include <stdio.h>
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#include "errlst.h"
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#include "../locale/xlocale_private.h"
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#include "libc_private.h"
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/*
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* Define buffer big enough to contain delimiter (": ", 2 bytes),
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* 64-bit signed integer converted to ASCII decimal (19 bytes) with
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* optional leading sign (1 byte), and a trailing NUL.
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*/
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#define EBUFSIZE (2 + 19 + 1 + 1)
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/*
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* Doing this by hand instead of linking with stdio(3) avoids bloat for
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* statically linked binaries.
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*/
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static void
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errstr(int num, const char *uprefix, char *buf, size_t len)
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{
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char *t;
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unsigned int uerr;
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char tmp[EBUFSIZE];
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t = tmp + sizeof(tmp);
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*--t = '\0';
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uerr = (num >= 0) ? num : -num;
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do {
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*--t = "0123456789"[uerr % 10];
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} while (uerr /= 10);
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if (num < 0)
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*--t = '-';
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*--t = ' ';
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*--t = ':';
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strlcpy(buf, uprefix, len);
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strlcat(buf, t, len);
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}
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static int
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strerror_rl(int errnum, char *strerrbuf, size_t buflen, locale_t locale)
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{
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int retval = 0;
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#if defined(NLS)
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int saved_errno = errno;
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nl_catd catd;
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catd = __catopen_l("libc", NL_CAT_LOCALE, locale);
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#endif
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if (errnum < 0 || errnum >= __hidden_sys_nerr) {
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errstr(errnum,
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#if defined(NLS)
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catgets(catd, 1, 0xffff, __uprefix),
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#else
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__uprefix,
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#endif
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strerrbuf, buflen);
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retval = EINVAL;
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} else {
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if (strlcpy(strerrbuf,
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#if defined(NLS)
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catgets(catd, 1, errnum, __hidden_sys_errlist[errnum]),
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#else
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__hidden_sys_errlist[errnum],
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#endif
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buflen) >= buflen)
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retval = ERANGE;
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}
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#if defined(NLS)
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catclose(catd);
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errno = saved_errno;
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#endif
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return (retval);
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}
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int
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strerror_r(int errnum, char *strerrbuf, size_t buflen)
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{
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return (strerror_rl(errnum, strerrbuf, buflen, __get_locale()));
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}
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char *
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strerror_l(int num, locale_t locale)
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{
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static _Thread_local char ebuf[NL_TEXTMAX];
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if (strerror_rl(num, ebuf, sizeof(ebuf), locale) != 0)
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errno = EINVAL;
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return (ebuf);
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}
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char *
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strerror(int num)
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{
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static char ebuf[NL_TEXTMAX];
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if (strerror_rl(num, ebuf, sizeof(ebuf), __get_locale()) != 0)
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errno = EINVAL;
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return (ebuf);
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}
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