--- /dev/null
+/* Checking macros for wchar functions.
+ Copyright (C) 2005-2018 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/>. */
+
+#ifndef _WCHAR_H
+# error "Never include <bits/wchar2.h> directly; use <wchar.h> instead."
+#endif
+
+
+extern wchar_t *__wmemcpy_chk (wchar_t *__restrict __s1,
+ const wchar_t *__restrict __s2, size_t __n,
+ size_t __ns1) __THROW;
+extern wchar_t *__REDIRECT_NTH (__wmemcpy_alias,
+ (wchar_t *__restrict __s1,
+ const wchar_t *__restrict __s2, size_t __n),
+ wmemcpy);
+extern wchar_t *__REDIRECT_NTH (__wmemcpy_chk_warn,
+ (wchar_t *__restrict __s1,
+ const wchar_t *__restrict __s2, size_t __n,
+ size_t __ns1), __wmemcpy_chk)
+ __warnattr ("wmemcpy called with length bigger than size of destination "
+ "buffer");
+
+__fortify_function wchar_t *
+__NTH (wmemcpy (wchar_t *__restrict __s1, const wchar_t *__restrict __s2,
+ size_t __n))
+{
+ if (__bos0 (__s1) != (size_t) -1)
+ {
+ if (!__builtin_constant_p (__n))
+ return __wmemcpy_chk (__s1, __s2, __n,
+ __bos0 (__s1) / sizeof (wchar_t));
+
+ if (__n > __bos0 (__s1) / sizeof (wchar_t))
+ return __wmemcpy_chk_warn (__s1, __s2, __n,
+ __bos0 (__s1) / sizeof (wchar_t));
+ }
+ return __wmemcpy_alias (__s1, __s2, __n);
+}
+
+
+extern wchar_t *__wmemmove_chk (wchar_t *__s1, const wchar_t *__s2,
+ size_t __n, size_t __ns1) __THROW;
+extern wchar_t *__REDIRECT_NTH (__wmemmove_alias, (wchar_t *__s1,
+ const wchar_t *__s2,
+ size_t __n), wmemmove);
+extern wchar_t *__REDIRECT_NTH (__wmemmove_chk_warn,
+ (wchar_t *__s1, const wchar_t *__s2,
+ size_t __n, size_t __ns1), __wmemmove_chk)
+ __warnattr ("wmemmove called with length bigger than size of destination "
+ "buffer");
+
+__fortify_function wchar_t *
+__NTH (wmemmove (wchar_t *__s1, const wchar_t *__s2, size_t __n))
+{
+ if (__bos0 (__s1) != (size_t) -1)
+ {
+ if (!__builtin_constant_p (__n))
+ return __wmemmove_chk (__s1, __s2, __n,
+ __bos0 (__s1) / sizeof (wchar_t));
+
+ if (__n > __bos0 (__s1) / sizeof (wchar_t))
+ return __wmemmove_chk_warn (__s1, __s2, __n,
+ __bos0 (__s1) / sizeof (wchar_t));
+ }
+ return __wmemmove_alias (__s1, __s2, __n);
+}
+
+
+#ifdef __USE_GNU
+extern wchar_t *__wmempcpy_chk (wchar_t *__restrict __s1,
+ const wchar_t *__restrict __s2, size_t __n,
+ size_t __ns1) __THROW;
+extern wchar_t *__REDIRECT_NTH (__wmempcpy_alias,
+ (wchar_t *__restrict __s1,
+ const wchar_t *__restrict __s2,
+ size_t __n), wmempcpy);
+extern wchar_t *__REDIRECT_NTH (__wmempcpy_chk_warn,
+ (wchar_t *__restrict __s1,
+ const wchar_t *__restrict __s2, size_t __n,
+ size_t __ns1), __wmempcpy_chk)
+ __warnattr ("wmempcpy called with length bigger than size of destination "
+ "buffer");
+
+__fortify_function wchar_t *
+__NTH (wmempcpy (wchar_t *__restrict __s1, const wchar_t *__restrict __s2,
+ size_t __n))
+{
+ if (__bos0 (__s1) != (size_t) -1)
+ {
+ if (!__builtin_constant_p (__n))
+ return __wmempcpy_chk (__s1, __s2, __n,
+ __bos0 (__s1) / sizeof (wchar_t));
+
+ if (__n > __bos0 (__s1) / sizeof (wchar_t))
+ return __wmempcpy_chk_warn (__s1, __s2, __n,
+ __bos0 (__s1) / sizeof (wchar_t));
+ }
+ return __wmempcpy_alias (__s1, __s2, __n);
+}
+#endif
+
+
+extern wchar_t *__wmemset_chk (wchar_t *__s, wchar_t __c, size_t __n,
+ size_t __ns) __THROW;
+extern wchar_t *__REDIRECT_NTH (__wmemset_alias, (wchar_t *__s, wchar_t __c,
+ size_t __n), wmemset);
+extern wchar_t *__REDIRECT_NTH (__wmemset_chk_warn,
+ (wchar_t *__s, wchar_t __c, size_t __n,
+ size_t __ns), __wmemset_chk)
+ __warnattr ("wmemset called with length bigger than size of destination "
+ "buffer");
+
+__fortify_function wchar_t *
+__NTH (wmemset (wchar_t *__s, wchar_t __c, size_t __n))
+{
+ if (__bos0 (__s) != (size_t) -1)
+ {
+ if (!__builtin_constant_p (__n))
+ return __wmemset_chk (__s, __c, __n, __bos0 (__s) / sizeof (wchar_t));
+
+ if (__n > __bos0 (__s) / sizeof (wchar_t))
+ return __wmemset_chk_warn (__s, __c, __n,
+ __bos0 (__s) / sizeof (wchar_t));
+ }
+ return __wmemset_alias (__s, __c, __n);
+}
+
+
+extern wchar_t *__wcscpy_chk (wchar_t *__restrict __dest,
+ const wchar_t *__restrict __src,
+ size_t __n) __THROW;
+extern wchar_t *__REDIRECT_NTH (__wcscpy_alias,
+ (wchar_t *__restrict __dest,
+ const wchar_t *__restrict __src), wcscpy);
+
+__fortify_function wchar_t *
+__NTH (wcscpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src))
+{
+ if (__bos (__dest) != (size_t) -1)
+ return __wcscpy_chk (__dest, __src, __bos (__dest) / sizeof (wchar_t));
+ return __wcscpy_alias (__dest, __src);
+}
+
+
+extern wchar_t *__wcpcpy_chk (wchar_t *__restrict __dest,
+ const wchar_t *__restrict __src,
+ size_t __destlen) __THROW;
+extern wchar_t *__REDIRECT_NTH (__wcpcpy_alias,
+ (wchar_t *__restrict __dest,
+ const wchar_t *__restrict __src), wcpcpy);
+
+__fortify_function wchar_t *
+__NTH (wcpcpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src))
+{
+ if (__bos (__dest) != (size_t) -1)
+ return __wcpcpy_chk (__dest, __src, __bos (__dest) / sizeof (wchar_t));
+ return __wcpcpy_alias (__dest, __src);
+}
+
+
+extern wchar_t *__wcsncpy_chk (wchar_t *__restrict __dest,
+ const wchar_t *__restrict __src, size_t __n,
+ size_t __destlen) __THROW;
+extern wchar_t *__REDIRECT_NTH (__wcsncpy_alias,
+ (wchar_t *__restrict __dest,
+ const wchar_t *__restrict __src,
+ size_t __n), wcsncpy);
+extern wchar_t *__REDIRECT_NTH (__wcsncpy_chk_warn,
+ (wchar_t *__restrict __dest,
+ const wchar_t *__restrict __src,
+ size_t __n, size_t __destlen), __wcsncpy_chk)
+ __warnattr ("wcsncpy called with length bigger than size of destination "
+ "buffer");
+
+__fortify_function wchar_t *
+__NTH (wcsncpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src,
+ size_t __n))
+{
+ if (__bos (__dest) != (size_t) -1)
+ {
+ if (!__builtin_constant_p (__n))
+ return __wcsncpy_chk (__dest, __src, __n,
+ __bos (__dest) / sizeof (wchar_t));
+ if (__n > __bos (__dest) / sizeof (wchar_t))
+ return __wcsncpy_chk_warn (__dest, __src, __n,
+ __bos (__dest) / sizeof (wchar_t));
+ }
+ return __wcsncpy_alias (__dest, __src, __n);
+}
+
+
+extern wchar_t *__wcpncpy_chk (wchar_t *__restrict __dest,
+ const wchar_t *__restrict __src, size_t __n,
+ size_t __destlen) __THROW;
+extern wchar_t *__REDIRECT_NTH (__wcpncpy_alias,
+ (wchar_t *__restrict __dest,
+ const wchar_t *__restrict __src,
+ size_t __n), wcpncpy);
+extern wchar_t *__REDIRECT_NTH (__wcpncpy_chk_warn,
+ (wchar_t *__restrict __dest,
+ const wchar_t *__restrict __src,
+ size_t __n, size_t __destlen), __wcpncpy_chk)
+ __warnattr ("wcpncpy called with length bigger than size of destination "
+ "buffer");
+
+__fortify_function wchar_t *
+__NTH (wcpncpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src,
+ size_t __n))
+{
+ if (__bos (__dest) != (size_t) -1)
+ {
+ if (!__builtin_constant_p (__n))
+ return __wcpncpy_chk (__dest, __src, __n,
+ __bos (__dest) / sizeof (wchar_t));
+ if (__n > __bos (__dest) / sizeof (wchar_t))
+ return __wcpncpy_chk_warn (__dest, __src, __n,
+ __bos (__dest) / sizeof (wchar_t));
+ }
+ return __wcpncpy_alias (__dest, __src, __n);
+}
+
+
+extern wchar_t *__wcscat_chk (wchar_t *__restrict __dest,
+ const wchar_t *__restrict __src,
+ size_t __destlen) __THROW;
+extern wchar_t *__REDIRECT_NTH (__wcscat_alias,
+ (wchar_t *__restrict __dest,
+ const wchar_t *__restrict __src), wcscat);
+
+__fortify_function wchar_t *
+__NTH (wcscat (wchar_t *__restrict __dest, const wchar_t *__restrict __src))
+{
+ if (__bos (__dest) != (size_t) -1)
+ return __wcscat_chk (__dest, __src, __bos (__dest) / sizeof (wchar_t));
+ return __wcscat_alias (__dest, __src);
+}
+
+
+extern wchar_t *__wcsncat_chk (wchar_t *__restrict __dest,
+ const wchar_t *__restrict __src,
+ size_t __n, size_t __destlen) __THROW;
+extern wchar_t *__REDIRECT_NTH (__wcsncat_alias,
+ (wchar_t *__restrict __dest,
+ const wchar_t *__restrict __src,
+ size_t __n), wcsncat);
+
+__fortify_function wchar_t *
+__NTH (wcsncat (wchar_t *__restrict __dest, const wchar_t *__restrict __src,
+ size_t __n))
+{
+ if (__bos (__dest) != (size_t) -1)
+ return __wcsncat_chk (__dest, __src, __n,
+ __bos (__dest) / sizeof (wchar_t));
+ return __wcsncat_alias (__dest, __src, __n);
+}
+
+
+extern int __swprintf_chk (wchar_t *__restrict __s, size_t __n,
+ int __flag, size_t __s_len,
+ const wchar_t *__restrict __format, ...)
+ __THROW /* __attribute__ ((__format__ (__wprintf__, 5, 6))) */;
+
+extern int __REDIRECT_NTH_LDBL (__swprintf_alias,
+ (wchar_t *__restrict __s, size_t __n,
+ const wchar_t *__restrict __fmt, ...),
+ swprintf);
+
+#ifdef __va_arg_pack
+__fortify_function int
+__NTH (swprintf (wchar_t *__restrict __s, size_t __n,
+ const wchar_t *__restrict __fmt, ...))
+{
+ if (__bos (__s) != (size_t) -1 || __USE_FORTIFY_LEVEL > 1)
+ return __swprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
+ __bos (__s) / sizeof (wchar_t),
+ __fmt, __va_arg_pack ());
+ return __swprintf_alias (__s, __n, __fmt, __va_arg_pack ());
+}
+#elif !defined __cplusplus
+/* XXX We might want to have support in gcc for swprintf. */
+# define swprintf(s, n, ...) \
+ (__bos (s) != (size_t) -1 || __USE_FORTIFY_LEVEL > 1 \
+ ? __swprintf_chk (s, n, __USE_FORTIFY_LEVEL - 1, \
+ __bos (s) / sizeof (wchar_t), __VA_ARGS__) \
+ : swprintf (s, n, __VA_ARGS__))
+#endif
+
+extern int __vswprintf_chk (wchar_t *__restrict __s, size_t __n,
+ int __flag, size_t __s_len,
+ const wchar_t *__restrict __format,
+ __gnuc_va_list __arg)
+ __THROW /* __attribute__ ((__format__ (__wprintf__, 5, 0))) */;
+
+extern int __REDIRECT_NTH_LDBL (__vswprintf_alias,
+ (wchar_t *__restrict __s, size_t __n,
+ const wchar_t *__restrict __fmt,
+ __gnuc_va_list __ap), vswprintf);
+
+__fortify_function int
+__NTH (vswprintf (wchar_t *__restrict __s, size_t __n,
+ const wchar_t *__restrict __fmt, __gnuc_va_list __ap))
+{
+ if (__bos (__s) != (size_t) -1 || __USE_FORTIFY_LEVEL > 1)
+ return __vswprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
+ __bos (__s) / sizeof (wchar_t), __fmt, __ap);
+ return __vswprintf_alias (__s, __n, __fmt, __ap);
+}
+
+
+#if __USE_FORTIFY_LEVEL > 1
+
+extern int __fwprintf_chk (__FILE *__restrict __stream, int __flag,
+ const wchar_t *__restrict __format, ...);
+extern int __wprintf_chk (int __flag, const wchar_t *__restrict __format,
+ ...);
+extern int __vfwprintf_chk (__FILE *__restrict __stream, int __flag,
+ const wchar_t *__restrict __format,
+ __gnuc_va_list __ap);
+extern int __vwprintf_chk (int __flag, const wchar_t *__restrict __format,
+ __gnuc_va_list __ap);
+
+# ifdef __va_arg_pack
+__fortify_function int
+wprintf (const wchar_t *__restrict __fmt, ...)
+{
+ return __wprintf_chk (__USE_FORTIFY_LEVEL - 1, __fmt, __va_arg_pack ());
+}
+
+__fortify_function int
+fwprintf (__FILE *__restrict __stream, const wchar_t *__restrict __fmt, ...)
+{
+ return __fwprintf_chk (__stream, __USE_FORTIFY_LEVEL - 1, __fmt,
+ __va_arg_pack ());
+}
+# elif !defined __cplusplus
+# define wprintf(...) \
+ __wprintf_chk (__USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
+# define fwprintf(stream, ...) \
+ __fwprintf_chk (stream, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
+# endif
+
+__fortify_function int
+vwprintf (const wchar_t *__restrict __fmt, __gnuc_va_list __ap)
+{
+ return __vwprintf_chk (__USE_FORTIFY_LEVEL - 1, __fmt, __ap);
+}
+
+__fortify_function int
+vfwprintf (__FILE *__restrict __stream,
+ const wchar_t *__restrict __fmt, __gnuc_va_list __ap)
+{
+ return __vfwprintf_chk (__stream, __USE_FORTIFY_LEVEL - 1, __fmt, __ap);
+}
+
+#endif
+
+extern wchar_t *__fgetws_chk (wchar_t *__restrict __s, size_t __size, int __n,
+ __FILE *__restrict __stream) __wur;
+extern wchar_t *__REDIRECT (__fgetws_alias,
+ (wchar_t *__restrict __s, int __n,
+ __FILE *__restrict __stream), fgetws) __wur;
+extern wchar_t *__REDIRECT (__fgetws_chk_warn,
+ (wchar_t *__restrict __s, size_t __size, int __n,
+ __FILE *__restrict __stream), __fgetws_chk)
+ __wur __warnattr ("fgetws called with bigger size than length "
+ "of destination buffer");
+
+__fortify_function __wur wchar_t *
+fgetws (wchar_t *__restrict __s, int __n, __FILE *__restrict __stream)
+{
+ if (__bos (__s) != (size_t) -1)
+ {
+ if (!__builtin_constant_p (__n) || __n <= 0)
+ return __fgetws_chk (__s, __bos (__s) / sizeof (wchar_t),
+ __n, __stream);
+
+ if ((size_t) __n > __bos (__s) / sizeof (wchar_t))
+ return __fgetws_chk_warn (__s, __bos (__s) / sizeof (wchar_t),
+ __n, __stream);
+ }
+ return __fgetws_alias (__s, __n, __stream);
+}
+
+#ifdef __USE_GNU
+extern wchar_t *__fgetws_unlocked_chk (wchar_t *__restrict __s, size_t __size,
+ int __n, __FILE *__restrict __stream)
+ __wur;
+extern wchar_t *__REDIRECT (__fgetws_unlocked_alias,
+ (wchar_t *__restrict __s, int __n,
+ __FILE *__restrict __stream), fgetws_unlocked)
+ __wur;
+extern wchar_t *__REDIRECT (__fgetws_unlocked_chk_warn,
+ (wchar_t *__restrict __s, size_t __size, int __n,
+ __FILE *__restrict __stream),
+ __fgetws_unlocked_chk)
+ __wur __warnattr ("fgetws_unlocked called with bigger size than length "
+ "of destination buffer");
+
+__fortify_function __wur wchar_t *
+fgetws_unlocked (wchar_t *__restrict __s, int __n, __FILE *__restrict __stream)
+{
+ if (__bos (__s) != (size_t) -1)
+ {
+ if (!__builtin_constant_p (__n) || __n <= 0)
+ return __fgetws_unlocked_chk (__s, __bos (__s) / sizeof (wchar_t),
+ __n, __stream);
+
+ if ((size_t) __n > __bos (__s) / sizeof (wchar_t))
+ return __fgetws_unlocked_chk_warn (__s, __bos (__s) / sizeof (wchar_t),
+ __n, __stream);
+ }
+ return __fgetws_unlocked_alias (__s, __n, __stream);
+}
+#endif
+
+
+extern size_t __wcrtomb_chk (char *__restrict __s, wchar_t __wchar,
+ mbstate_t *__restrict __p,
+ size_t __buflen) __THROW __wur;
+extern size_t __REDIRECT_NTH (__wcrtomb_alias,
+ (char *__restrict __s, wchar_t __wchar,
+ mbstate_t *__restrict __ps), wcrtomb) __wur;
+
+__fortify_function __wur size_t
+__NTH (wcrtomb (char *__restrict __s, wchar_t __wchar,
+ mbstate_t *__restrict __ps))
+{
+ /* We would have to include <limits.h> to get a definition of MB_LEN_MAX.
+ But this would only disturb the namespace. So we define our own
+ version here. */
+#define __WCHAR_MB_LEN_MAX 16
+#if defined MB_LEN_MAX && MB_LEN_MAX != __WCHAR_MB_LEN_MAX
+# error "Assumed value of MB_LEN_MAX wrong"
+#endif
+ if (__bos (__s) != (size_t) -1 && __WCHAR_MB_LEN_MAX > __bos (__s))
+ return __wcrtomb_chk (__s, __wchar, __ps, __bos (__s));
+ return __wcrtomb_alias (__s, __wchar, __ps);
+}
+
+
+extern size_t __mbsrtowcs_chk (wchar_t *__restrict __dst,
+ const char **__restrict __src,
+ size_t __len, mbstate_t *__restrict __ps,
+ size_t __dstlen) __THROW;
+extern size_t __REDIRECT_NTH (__mbsrtowcs_alias,
+ (wchar_t *__restrict __dst,
+ const char **__restrict __src,
+ size_t __len, mbstate_t *__restrict __ps),
+ mbsrtowcs);
+extern size_t __REDIRECT_NTH (__mbsrtowcs_chk_warn,
+ (wchar_t *__restrict __dst,
+ const char **__restrict __src,
+ size_t __len, mbstate_t *__restrict __ps,
+ size_t __dstlen), __mbsrtowcs_chk)
+ __warnattr ("mbsrtowcs called with dst buffer smaller than len "
+ "* sizeof (wchar_t)");
+
+__fortify_function size_t
+__NTH (mbsrtowcs (wchar_t *__restrict __dst, const char **__restrict __src,
+ size_t __len, mbstate_t *__restrict __ps))
+{
+ if (__bos (__dst) != (size_t) -1)
+ {
+ if (!__builtin_constant_p (__len))
+ return __mbsrtowcs_chk (__dst, __src, __len, __ps,
+ __bos (__dst) / sizeof (wchar_t));
+
+ if (__len > __bos (__dst) / sizeof (wchar_t))
+ return __mbsrtowcs_chk_warn (__dst, __src, __len, __ps,
+ __bos (__dst) / sizeof (wchar_t));
+ }
+ return __mbsrtowcs_alias (__dst, __src, __len, __ps);
+}
+
+
+extern size_t __wcsrtombs_chk (char *__restrict __dst,
+ const wchar_t **__restrict __src,
+ size_t __len, mbstate_t *__restrict __ps,
+ size_t __dstlen) __THROW;
+extern size_t __REDIRECT_NTH (__wcsrtombs_alias,
+ (char *__restrict __dst,
+ const wchar_t **__restrict __src,
+ size_t __len, mbstate_t *__restrict __ps),
+ wcsrtombs);
+extern size_t __REDIRECT_NTH (__wcsrtombs_chk_warn,
+ (char *__restrict __dst,
+ const wchar_t **__restrict __src,
+ size_t __len, mbstate_t *__restrict __ps,
+ size_t __dstlen), __wcsrtombs_chk)
+ __warnattr ("wcsrtombs called with dst buffer smaller than len");
+
+__fortify_function size_t
+__NTH (wcsrtombs (char *__restrict __dst, const wchar_t **__restrict __src,
+ size_t __len, mbstate_t *__restrict __ps))
+{
+ if (__bos (__dst) != (size_t) -1)
+ {
+ if (!__builtin_constant_p (__len))
+ return __wcsrtombs_chk (__dst, __src, __len, __ps, __bos (__dst));
+
+ if (__len > __bos (__dst))
+ return __wcsrtombs_chk_warn (__dst, __src, __len, __ps, __bos (__dst));
+ }
+ return __wcsrtombs_alias (__dst, __src, __len, __ps);
+}
+
+
+#ifdef __USE_GNU
+extern size_t __mbsnrtowcs_chk (wchar_t *__restrict __dst,
+ const char **__restrict __src, size_t __nmc,
+ size_t __len, mbstate_t *__restrict __ps,
+ size_t __dstlen) __THROW;
+extern size_t __REDIRECT_NTH (__mbsnrtowcs_alias,
+ (wchar_t *__restrict __dst,
+ const char **__restrict __src, size_t __nmc,
+ size_t __len, mbstate_t *__restrict __ps),
+ mbsnrtowcs);
+extern size_t __REDIRECT_NTH (__mbsnrtowcs_chk_warn,
+ (wchar_t *__restrict __dst,
+ const char **__restrict __src, size_t __nmc,
+ size_t __len, mbstate_t *__restrict __ps,
+ size_t __dstlen), __mbsnrtowcs_chk)
+ __warnattr ("mbsnrtowcs called with dst buffer smaller than len "
+ "* sizeof (wchar_t)");
+
+__fortify_function size_t
+__NTH (mbsnrtowcs (wchar_t *__restrict __dst, const char **__restrict __src,
+ size_t __nmc, size_t __len, mbstate_t *__restrict __ps))
+{
+ if (__bos (__dst) != (size_t) -1)
+ {
+ if (!__builtin_constant_p (__len))
+ return __mbsnrtowcs_chk (__dst, __src, __nmc, __len, __ps,
+ __bos (__dst) / sizeof (wchar_t));
+
+ if (__len > __bos (__dst) / sizeof (wchar_t))
+ return __mbsnrtowcs_chk_warn (__dst, __src, __nmc, __len, __ps,
+ __bos (__dst) / sizeof (wchar_t));
+ }
+ return __mbsnrtowcs_alias (__dst, __src, __nmc, __len, __ps);
+}
+
+
+extern size_t __wcsnrtombs_chk (char *__restrict __dst,
+ const wchar_t **__restrict __src,
+ size_t __nwc, size_t __len,
+ mbstate_t *__restrict __ps, size_t __dstlen)
+ __THROW;
+extern size_t __REDIRECT_NTH (__wcsnrtombs_alias,
+ (char *__restrict __dst,
+ const wchar_t **__restrict __src,
+ size_t __nwc, size_t __len,
+ mbstate_t *__restrict __ps), wcsnrtombs);
+extern size_t __REDIRECT_NTH (__wcsnrtombs_chk_warn,
+ (char *__restrict __dst,
+ const wchar_t **__restrict __src,
+ size_t __nwc, size_t __len,
+ mbstate_t *__restrict __ps,
+ size_t __dstlen), __wcsnrtombs_chk)
+ __warnattr ("wcsnrtombs called with dst buffer smaller than len");
+
+__fortify_function size_t
+__NTH (wcsnrtombs (char *__restrict __dst, const wchar_t **__restrict __src,
+ size_t __nwc, size_t __len, mbstate_t *__restrict __ps))
+{
+ if (__bos (__dst) != (size_t) -1)
+ {
+ if (!__builtin_constant_p (__len))
+ return __wcsnrtombs_chk (__dst, __src, __nwc, __len, __ps,
+ __bos (__dst));
+
+ if (__len > __bos (__dst))
+ return __wcsnrtombs_chk_warn (__dst, __src, __nwc, __len, __ps,
+ __bos (__dst));
+ }
+ return __wcsnrtombs_alias (__dst, __src, __nwc, __len, __ps);
+}
+#endif
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