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/* Checking macros for stdlib functions.
Copyright (C) 2005 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef _STDLIB_H
# error "Never include <bits/stdlib.h> directly; use <stdlib.h> instead."
#endif
extern char *__realpath_chk (__const char *__restrict __name,
char *__restrict __resolved,
size_t __resolvedlen) __THROW __wur;
extern char *__REDIRECT_NTH (__realpath_alias,
(__const char *__restrict __name,
char *__restrict __resolved), realpath) __wur;
extern __always_inline __wur char *
realpath (const char *__name, char *__resolved)
{
if (__bos (__resolved) != (size_t) -1)
return __realpath_chk (__name, __resolved, __bos (__resolved));
return __realpath_alias (__name, __resolved);
}
extern int __ptsname_r_chk (int __fd, char *__buf, size_t __buflen,
size_t __nreal) __THROW __nonnull ((2));
extern int __REDIRECT_NTH (__ptsname_r_alias, (int __fd, char *__buf,
size_t __buflen), ptsname_r)
__nonnull ((2));
extern __always_inline int
ptsname_r (int __fd, char *__buf, size_t __buflen)
{
if (__bos (__buf) != (size_t) -1
&& (!__builtin_constant_p (__buflen) || __buflen > __bos (__buf)))
return __ptsname_r_chk (__fd, __buf, __buflen, __bos (__buf));
return __ptsname_r_alias (__fd, __buf, __buflen);
}
extern int __wctomb_chk (char *__s, wchar_t __wchar, size_t __buflen)
__THROW __wur;
extern int __REDIRECT_NTH (__wctomb_alias, (char *__s, wchar_t __wchar),
wctomb) __wur;
extern __always_inline __wur int
wctomb (char *__s, wchar_t __wchar)
{
/* 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 __STDLIB_MB_LEN_MAX 16
#if defined MB_LEN_MAX && MB_LEN_MAX != __STDLIB_MB_LEN_MAX
# error "Assumed value of MB_LEN_MAX wrong"
#endif
if (__bos (__s) != (size_t) -1 && __STDLIB_MB_LEN_MAX > __bos (__s))
return __wctomb_chk (__s, __wchar, __bos (__s));
return __wctomb_alias (__s, __wchar);
}
extern size_t __mbstowcs_chk (wchar_t *__restrict __dst,
__const char *__restrict __src,
size_t __len, size_t __dstlen) __THROW;
extern size_t __REDIRECT_NTH (__mbstowcs_alias,
(wchar_t *__restrict __dst,
__const char *__restrict __src,
size_t __len), mbstowcs);
extern __always_inline size_t
mbstowcs (wchar_t *__restrict __dst, __const char *__restrict __src,
size_t __len)
{
if (__bos (__dst) != (size_t) -1
&& (!__builtin_constant_p (__len)
|| __len * sizeof (wchar_t) > __bos (__dst)))
return __mbstowcs_chk (__dst, __src, __len, __bos (__dst));
return __mbstowcs_alias (__dst, __src, __len);
}
extern size_t __wcstombs_chk (char *__restrict __dst,
__const wchar_t *__restrict __src,
size_t __len, size_t __dstlen) __THROW;
extern size_t __REDIRECT_NTH (__wcstombs_alias,
(char *__restrict __dst,
__const wchar_t *__restrict __src,
size_t __len), wcstombs);
extern __always_inline size_t
wcstombs (char *__restrict __dst, __const wchar_t *__restrict __src,
size_t __len)
{
if (__bos (__dst) != (size_t) -1
&& (!__builtin_constant_p (__len) || __len > __bos (__dst)))
return __wcstombs_chk (__dst, __src, __len, __bos (__dst));
return __wcstombs_alias (__dst, __src, __len);
}
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