4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * All rights reserved.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Redistribution and use in source and binary forms, with or without
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * modification, are permitted provided that the following conditions
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * are met:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 1. Redistributions of source code must retain the above copyright
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * notice, this list of conditions and the following disclaimer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 2. Redistributions in binary form must reproduce the above copyright
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * notice, this list of conditions and the following disclaimer in the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * documentation and/or other materials provided with the distribution.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 3. The name of the author may not be used to endorse or promote products
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * derived from this software without specific prior written permission.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync FreeBSD: src/lib/libc/stdio/vswprintf.c,v 1.6 2005/02/21 19:41:44 fjoe Exp
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync NetBSD: vswprintf.c,v 1.1 2005/05/14 23:51:02 christos Exp
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <LibConfig.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <sys/EfiCdefs.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <errno.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <stdio.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <stdlib.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <wchar.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <stdarg.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include "reentrant.h"
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include "local.h"
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncint
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncvswprintf(wchar_t * __restrict s, size_t n, const wchar_t * __restrict fmt,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync va_list ap)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync static const mbstate_t initial = { 0 };
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mbstate_t mbs;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync FILE f;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync char *mbp;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int ret, sverrno;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync size_t nwc;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync struct __sfileext fext;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (n == 0) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync errno = EINVAL;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return (-1);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync _FILEEXT_SETUP(&f, &fext);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync f._file = -1;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync f._flags = __SWR | __SSTR | __SALC;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync f._bf._base = f._p = (unsigned char *)malloc(128);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (f._bf._base == NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync errno = ENOMEM;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return (-1);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync f._bf._size = f._w = 127; /* Leave room for the NUL */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ret = __vfwprintf_unlocked(&f, fmt, ap);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (ret < 0) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync sverrno = errno;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync free(f._bf._base);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync errno = sverrno;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return (-1);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *f._p = '\0';
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mbp = (char *)f._bf._base;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * XXX Undo the conversion from wide characters to multibyte that
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * fputwc() did in __vfwprintf().
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mbs = initial;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync nwc = mbsrtowcs(s, (const char **)&mbp, n, &mbs);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync free(f._bf._base);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (nwc == (size_t)-1) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync errno = EILSEQ;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return (-1);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (nwc == n) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync s[n - 1] = L'\0';
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync errno = EOVERFLOW;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return (-1);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return (ret);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}