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64f9857507
The change is meant to avoid unwanted PLT entries for the wmemset and wcrtomb routines when _FORTIFY_SOURCE is set. On top of that, ensure that *_chk routines have their hidden builtin definitions available. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
297 lines
11 KiB
C
297 lines
11 KiB
C
/* Checking macros for wchar functions. Declarations only.
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Copyright (C) 2004-2023 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _BITS_WCHAR2_DECL_H
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#define _BITS_WCHAR2_DECL_H 1
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#ifndef _WCHAR_H
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# error "Never include <bits/wchar2-decl.h> directly; use <wchar.h> instead."
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#endif
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extern wchar_t *__wmemcpy_chk (wchar_t *__restrict __s1,
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const wchar_t *__restrict __s2, size_t __n,
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size_t __ns1) __THROW;
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extern wchar_t *__REDIRECT_NTH (__wmemcpy_alias,
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(wchar_t *__restrict __s1,
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const wchar_t *__restrict __s2, size_t __n),
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wmemcpy);
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extern wchar_t *__REDIRECT_NTH (__wmemcpy_chk_warn,
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(wchar_t *__restrict __s1,
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const wchar_t *__restrict __s2, size_t __n,
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size_t __ns1), __wmemcpy_chk)
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__warnattr ("wmemcpy called with length bigger than size of destination "
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"buffer");
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extern wchar_t *__wmemmove_chk (wchar_t *__s1, const wchar_t *__s2,
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size_t __n, size_t __ns1) __THROW;
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extern wchar_t *__REDIRECT_NTH (__wmemmove_alias, (wchar_t *__s1,
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const wchar_t *__s2,
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size_t __n), wmemmove);
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extern wchar_t *__REDIRECT_NTH (__wmemmove_chk_warn,
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(wchar_t *__s1, const wchar_t *__s2,
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size_t __n, size_t __ns1), __wmemmove_chk)
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__warnattr ("wmemmove called with length bigger than size of destination "
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"buffer");
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#ifdef __USE_GNU
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extern wchar_t *__wmempcpy_chk (wchar_t *__restrict __s1,
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const wchar_t *__restrict __s2, size_t __n,
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size_t __ns1) __THROW;
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extern wchar_t *__REDIRECT_NTH (__wmempcpy_alias,
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(wchar_t *__restrict __s1,
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const wchar_t *__restrict __s2,
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size_t __n), wmempcpy);
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extern wchar_t *__REDIRECT_NTH (__wmempcpy_chk_warn,
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(wchar_t *__restrict __s1,
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const wchar_t *__restrict __s2, size_t __n,
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size_t __ns1), __wmempcpy_chk)
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__warnattr ("wmempcpy called with length bigger than size of destination "
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"buffer");
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#endif
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extern wchar_t *__wmemset_chk (wchar_t *__s, wchar_t __c, size_t __n,
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size_t __ns) __THROW;
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extern wchar_t *__REDIRECT_FORTIFY_NTH (__wmemset_alias, (wchar_t *__s, wchar_t __c,
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size_t __n), wmemset);
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extern wchar_t *__REDIRECT_NTH (__wmemset_chk_warn,
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(wchar_t *__s, wchar_t __c, size_t __n,
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size_t __ns), __wmemset_chk)
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__warnattr ("wmemset called with length bigger than size of destination "
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"buffer");
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extern wchar_t *__wcscpy_chk (wchar_t *__restrict __dest,
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const wchar_t *__restrict __src,
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size_t __n) __THROW;
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extern wchar_t *__REDIRECT_NTH (__wcscpy_alias,
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(wchar_t *__restrict __dest,
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const wchar_t *__restrict __src), wcscpy);
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extern wchar_t *__wcpcpy_chk (wchar_t *__restrict __dest,
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const wchar_t *__restrict __src,
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size_t __destlen) __THROW;
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extern wchar_t *__REDIRECT_NTH (__wcpcpy_alias,
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(wchar_t *__restrict __dest,
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const wchar_t *__restrict __src), wcpcpy);
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extern wchar_t *__wcsncpy_chk (wchar_t *__restrict __dest,
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const wchar_t *__restrict __src, size_t __n,
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size_t __destlen) __THROW;
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extern wchar_t *__REDIRECT_NTH (__wcsncpy_alias,
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(wchar_t *__restrict __dest,
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const wchar_t *__restrict __src,
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size_t __n), wcsncpy);
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extern wchar_t *__REDIRECT_NTH (__wcsncpy_chk_warn,
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(wchar_t *__restrict __dest,
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const wchar_t *__restrict __src,
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size_t __n, size_t __destlen), __wcsncpy_chk)
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__warnattr ("wcsncpy called with length bigger than size of destination "
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"buffer");
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extern wchar_t *__wcpncpy_chk (wchar_t *__restrict __dest,
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const wchar_t *__restrict __src, size_t __n,
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size_t __destlen) __THROW;
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extern wchar_t *__REDIRECT_NTH (__wcpncpy_alias,
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(wchar_t *__restrict __dest,
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const wchar_t *__restrict __src,
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size_t __n), wcpncpy);
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extern wchar_t *__REDIRECT_NTH (__wcpncpy_chk_warn,
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(wchar_t *__restrict __dest,
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const wchar_t *__restrict __src,
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size_t __n, size_t __destlen), __wcpncpy_chk)
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__warnattr ("wcpncpy called with length bigger than size of destination "
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"buffer");
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extern wchar_t *__wcscat_chk (wchar_t *__restrict __dest,
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const wchar_t *__restrict __src,
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size_t __destlen) __THROW;
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extern wchar_t *__REDIRECT_NTH (__wcscat_alias,
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(wchar_t *__restrict __dest,
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const wchar_t *__restrict __src), wcscat);
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extern wchar_t *__wcsncat_chk (wchar_t *__restrict __dest,
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const wchar_t *__restrict __src,
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size_t __n, size_t __destlen) __THROW;
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extern wchar_t *__REDIRECT_NTH (__wcsncat_alias,
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(wchar_t *__restrict __dest,
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const wchar_t *__restrict __src,
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size_t __n), wcsncat);
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extern int __swprintf_chk (wchar_t *__restrict __s, size_t __n,
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int __flag, size_t __s_len,
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const wchar_t *__restrict __format, ...)
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__THROW /* __attribute__ ((__format__ (__wprintf__, 5, 6))) */;
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extern int __REDIRECT_NTH_LDBL (__swprintf_alias,
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(wchar_t *__restrict __s, size_t __n,
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const wchar_t *__restrict __fmt, ...),
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swprintf);
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extern int __vswprintf_chk (wchar_t *__restrict __s, size_t __n,
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int __flag, size_t __s_len,
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const wchar_t *__restrict __format,
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__gnuc_va_list __arg)
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__THROW /* __attribute__ ((__format__ (__wprintf__, 5, 0))) */;
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extern int __REDIRECT_NTH_LDBL (__vswprintf_alias,
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(wchar_t *__restrict __s, size_t __n,
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const wchar_t *__restrict __fmt,
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__gnuc_va_list __ap), vswprintf);
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#if __USE_FORTIFY_LEVEL > 1
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extern int __fwprintf_chk (__FILE *__restrict __stream, int __flag,
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const wchar_t *__restrict __format, ...);
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extern int __wprintf_chk (int __flag, const wchar_t *__restrict __format,
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...);
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extern int __vfwprintf_chk (__FILE *__restrict __stream, int __flag,
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const wchar_t *__restrict __format,
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__gnuc_va_list __ap);
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extern int __vwprintf_chk (int __flag, const wchar_t *__restrict __format,
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__gnuc_va_list __ap);
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#endif
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extern wchar_t *__fgetws_chk (wchar_t *__restrict __s, size_t __size, int __n,
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__FILE *__restrict __stream) __wur;
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extern wchar_t *__REDIRECT (__fgetws_alias,
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(wchar_t *__restrict __s, int __n,
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__FILE *__restrict __stream), fgetws) __wur;
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extern wchar_t *__REDIRECT (__fgetws_chk_warn,
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(wchar_t *__restrict __s, size_t __size, int __n,
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__FILE *__restrict __stream), __fgetws_chk)
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__wur __warnattr ("fgetws called with bigger size than length "
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"of destination buffer");
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#ifdef __USE_GNU
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extern wchar_t *__fgetws_unlocked_chk (wchar_t *__restrict __s, size_t __size,
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int __n, __FILE *__restrict __stream)
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__wur;
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extern wchar_t *__REDIRECT (__fgetws_unlocked_alias,
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(wchar_t *__restrict __s, int __n,
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__FILE *__restrict __stream), fgetws_unlocked)
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__wur;
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extern wchar_t *__REDIRECT (__fgetws_unlocked_chk_warn,
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(wchar_t *__restrict __s, size_t __size, int __n,
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__FILE *__restrict __stream),
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__fgetws_unlocked_chk)
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__wur __warnattr ("fgetws_unlocked called with bigger size than length "
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"of destination buffer");
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#endif
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extern size_t __wcrtomb_chk (char *__restrict __s, wchar_t __wchar,
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mbstate_t *__restrict __p,
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size_t __buflen) __THROW __wur;
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extern size_t __REDIRECT_FORTIFY_NTH (__wcrtomb_alias,
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(char *__restrict __s, wchar_t __wchar,
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mbstate_t *__restrict __ps), wcrtomb) __wur;
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extern size_t __mbsrtowcs_chk (wchar_t *__restrict __dst,
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const char **__restrict __src,
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size_t __len, mbstate_t *__restrict __ps,
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size_t __dstlen) __THROW;
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extern size_t __REDIRECT_NTH (__mbsrtowcs_alias,
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(wchar_t *__restrict __dst,
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const char **__restrict __src,
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size_t __len, mbstate_t *__restrict __ps),
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mbsrtowcs);
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extern size_t __REDIRECT_NTH (__mbsrtowcs_chk_warn,
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(wchar_t *__restrict __dst,
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const char **__restrict __src,
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size_t __len, mbstate_t *__restrict __ps,
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size_t __dstlen), __mbsrtowcs_chk)
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__warnattr ("mbsrtowcs called with dst buffer smaller than len "
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"* sizeof (wchar_t)");
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extern size_t __wcsrtombs_chk (char *__restrict __dst,
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const wchar_t **__restrict __src,
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size_t __len, mbstate_t *__restrict __ps,
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size_t __dstlen) __THROW;
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extern size_t __REDIRECT_NTH (__wcsrtombs_alias,
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(char *__restrict __dst,
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const wchar_t **__restrict __src,
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size_t __len, mbstate_t *__restrict __ps),
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wcsrtombs);
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extern size_t __REDIRECT_NTH (__wcsrtombs_chk_warn,
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(char *__restrict __dst,
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const wchar_t **__restrict __src,
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size_t __len, mbstate_t *__restrict __ps,
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size_t __dstlen), __wcsrtombs_chk)
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__warnattr ("wcsrtombs called with dst buffer smaller than len");
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#ifdef __USE_XOPEN2K8
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extern size_t __mbsnrtowcs_chk (wchar_t *__restrict __dst,
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const char **__restrict __src, size_t __nmc,
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size_t __len, mbstate_t *__restrict __ps,
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size_t __dstlen) __THROW;
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extern size_t __REDIRECT_NTH (__mbsnrtowcs_alias,
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(wchar_t *__restrict __dst,
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const char **__restrict __src, size_t __nmc,
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size_t __len, mbstate_t *__restrict __ps),
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mbsnrtowcs);
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extern size_t __REDIRECT_NTH (__mbsnrtowcs_chk_warn,
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(wchar_t *__restrict __dst,
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const char **__restrict __src, size_t __nmc,
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size_t __len, mbstate_t *__restrict __ps,
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size_t __dstlen), __mbsnrtowcs_chk)
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__warnattr ("mbsnrtowcs called with dst buffer smaller than len "
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"* sizeof (wchar_t)");
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extern size_t __wcsnrtombs_chk (char *__restrict __dst,
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const wchar_t **__restrict __src,
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size_t __nwc, size_t __len,
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mbstate_t *__restrict __ps, size_t __dstlen)
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__THROW;
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extern size_t __REDIRECT_NTH (__wcsnrtombs_alias,
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(char *__restrict __dst,
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const wchar_t **__restrict __src,
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size_t __nwc, size_t __len,
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mbstate_t *__restrict __ps), wcsnrtombs);
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extern size_t __REDIRECT_NTH (__wcsnrtombs_chk_warn,
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(char *__restrict __dst,
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const wchar_t **__restrict __src,
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size_t __nwc, size_t __len,
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mbstate_t *__restrict __ps,
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size_t __dstlen), __wcsnrtombs_chk)
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__warnattr ("wcsnrtombs called with dst buffer smaller than len");
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#endif
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#ifdef __USE_MISC
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extern size_t __wcslcpy_chk (wchar_t *__dest, const wchar_t *__src, size_t __n,
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size_t __destlen) __THROW;
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extern size_t __REDIRECT_NTH (__wcslcpy_alias,
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(wchar_t *__dest, const wchar_t *__src,
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size_t __n), wcslcpy);
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extern size_t __wcslcat_chk (wchar_t *__dest, const wchar_t *__src, size_t __n,
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size_t __destlen) __THROW;
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extern size_t __REDIRECT_NTH (__wcslcat_alias,
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(wchar_t *__dest, const wchar_t *__src,
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size_t __n), wcslcat);
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#endif /* __USE_MISC */
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#endif /* bits/wchar2-decl.h. */
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