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