mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-03 04:01:43 +08:00
02ca3541ce
* debug/wcstombs_chk.c: New file. * debug/Makefile (routines): Add mbstowcs_chk and wcstombs_chk. * debug/Versions: Add __mbstowcs_chk and __wcstombs_chk. * stdlib/bits/stdlib.h: Add definitions for mbstowcs and wcstombs. * wcsmbs/bits/wchar2.h (mbsrtowcs): Pretty printing. * string/test-memset.c (test_main): Use negative byte value in
115 lines
4.0 KiB
C
115 lines
4.0 KiB
C
/* 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);
|
|
}
|