mirror of
https://codeberg.org/ziglang/zig.git
synced 2025-12-06 22:04:21 +00:00
130 lines
4 KiB
C
Vendored
130 lines
4 KiB
C
Vendored
/*
|
|
* Copyright (c) 2007, 2010, 2023 Apple Inc. All rights reserved.
|
|
*
|
|
* @APPLE_LICENSE_HEADER_START@
|
|
*
|
|
* This file contains Original Code and/or Modifications of Original Code
|
|
* as defined in and that are subject to the Apple Public Source License
|
|
* Version 2.0 (the 'License'). You may not use this file except in
|
|
* compliance with the License. Please obtain a copy of the License at
|
|
* http://www.opensource.apple.com/apsl/ and read it before using this
|
|
* file.
|
|
*
|
|
* The Original Code and all software distributed under the License are
|
|
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
|
|
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
|
|
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
|
|
* Please see the License for the specific language governing rights and
|
|
* limitations under the License.
|
|
*
|
|
* @APPLE_LICENSE_HEADER_END@
|
|
*/
|
|
|
|
#ifndef _STDIO_H_
|
|
#error error "Never use <secure/_stdio.h> directly; include <stdio.h> instead."
|
|
#endif
|
|
|
|
#ifndef _SECURE__STDIO_H_
|
|
#define _SECURE__STDIO_H_
|
|
|
|
#include <_bounds.h>
|
|
#include <secure/_common.h>
|
|
|
|
_LIBC_SINGLE_BY_DEFAULT()
|
|
|
|
#if _USE_FORTIFY_LEVEL > 0
|
|
|
|
extern int __snprintf_chk (char * __restrict _LIBC_COUNT(__maxlen), size_t __maxlen, int, size_t,
|
|
const char * __restrict, ...);
|
|
extern int __vsnprintf_chk (char * __restrict _LIBC_COUNT(__maxlen), size_t __maxlen, int, size_t,
|
|
const char * __restrict, va_list);
|
|
|
|
extern int __sprintf_chk (char * __restrict _LIBC_UNSAFE_INDEXABLE, int, size_t,
|
|
const char * __restrict, ...);
|
|
extern int __vsprintf_chk (char * __restrict _LIBC_UNSAFE_INDEXABLE, int, size_t,
|
|
const char * __restrict, va_list);
|
|
|
|
#ifdef __LIBC_STAGED_BOUNDS_SAFETY_ATTRIBUTES
|
|
|
|
/* verify that there are at least __n characters at __str */
|
|
static inline char *_LIBC_COUNT(__n)
|
|
__libc_ptrchk_strbuf_chk(char *_LIBC_COUNT(__n) __str, size_t __n) { return __str; }
|
|
|
|
#undef __sprintf_chk_func /* sprintf is unavailable */
|
|
#undef __vsprintf_chk_func /* vsprintf is unavailable */
|
|
|
|
#define __vsnprintf_chk_func(str, len, flag, format, ap) ({ \
|
|
size_t __len = (len); \
|
|
__builtin___vsnprintf_chk (__libc_ptrchk_strbuf_chk(str, __len), __len, flag, __darwin_obsz(str), format, ap); \
|
|
})
|
|
|
|
#define __snprintf_chk_func(str, len, flag, ...) ({ \
|
|
size_t __len = (len); \
|
|
__builtin___snprintf_chk (__libc_ptrchk_strbuf_chk(str, __len), __len, flag, __darwin_obsz(str), __VA_ARGS__); \
|
|
})
|
|
|
|
#else
|
|
|
|
#ifndef __has_builtin
|
|
#define __undef__has_builtin
|
|
#define __has_builtin(x) defined(__GNUC__)
|
|
#endif
|
|
|
|
#if __has_builtin(__builtin___snprintf_chk)
|
|
#define __snprintf_chk_func(str, len, flag, ...) \
|
|
__builtin___snprintf_chk (str, len, flag, __darwin_obsz(str), __VA_ARGS__)
|
|
#endif
|
|
|
|
#if __has_builtin(__builtin___vsnprintf_chk)
|
|
#define __vsnprintf_chk_func(str, len, flag, format, ap) \
|
|
__builtin___vsnprintf_chk (str, len, flag, __darwin_obsz(str), format, ap)
|
|
#endif
|
|
|
|
|
|
#if __has_builtin(__builtin___sprintf_chk)
|
|
#define __sprintf_chk_func(str, flag, ...) \
|
|
__builtin___sprintf_chk (str, flag, __darwin_obsz(str), __VA_ARGS__)
|
|
#endif
|
|
|
|
#if __has_builtin(__builtin___vsprintf_chk)
|
|
#define __vsprintf_chk_func(str, flag, format, ap) \
|
|
__builtin___vsprintf_chk (str, flag, __darwin_obsz(str), format, ap)
|
|
#endif
|
|
|
|
|
|
#ifdef __undef__has_builtin
|
|
#undef __undef__has_builtin
|
|
#undef __has_builtin
|
|
#endif
|
|
|
|
#endif
|
|
|
|
/* sprintf, vsprintf, snprintf, vsnprintf */
|
|
|
|
#ifdef __sprintf_chk_func
|
|
#undef sprintf
|
|
#define sprintf(str, ...) __sprintf_chk_func (str, 0, __VA_ARGS__)
|
|
#endif
|
|
|
|
#if __DARWIN_C_LEVEL >= 200112L
|
|
|
|
#ifdef __vsprintf_chk_func
|
|
#undef vsprintf
|
|
#define vsprintf(str, ...) __vsprintf_chk_func (str, 0, __VA_ARGS__)
|
|
#endif
|
|
|
|
#ifdef __snprintf_chk_func
|
|
#undef snprintf
|
|
#define snprintf(str, len, ...) __snprintf_chk_func (str, len, 0, __VA_ARGS__)
|
|
#endif
|
|
|
|
#ifdef __vsnprintf_chk_func
|
|
#undef vsnprintf
|
|
#define vsnprintf(str, len, ...) __vsnprintf_chk_func (str, len, 0, __VA_ARGS__)
|
|
#endif
|
|
|
|
#endif
|
|
|
|
#endif /* _USE_FORTIFY_LEVEL > 0 */
|
|
#endif /* _SECURE__STDIO_H_ */
|