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/*
* Copyright (c) 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@
*/
/*-
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)string.h 8.1 (Berkeley) 6/2/93
*/
#ifndef _STRING_H_
#define _STRING_H_
#include <_bounds.h>
#include <_types.h>
#include <sys/cdefs.h>
#include <Availability.h>
#include <sys/_types/_size_t.h>
#include <sys/_types/_null.h>
/* ANSI-C */
_LIBC_SINGLE_BY_DEFAULT()
__BEGIN_DECLS
void *_LIBC_SIZE(__n)
memchr(const void *_LIBC_SIZE(__n) __s, int __c, size_t __n);
int memcmp(const void *_LIBC_SIZE(__n) __s1, const void *_LIBC_SIZE(__n) __s2,
size_t __n);
void *_LIBC_SIZE(__n)
memcpy(void *_LIBC_SIZE(__n) __dst, const void *_LIBC_SIZE(__n) __src,
size_t __n);
void *_LIBC_SIZE(__len)
memmove(void *_LIBC_SIZE(__len) __dst,
const void *_LIBC_SIZE(__len) __src, size_t __len);
void *_LIBC_SIZE(__len)
memset(void *_LIBC_SIZE(__len) __b, int __c, size_t __len);
char *_LIBC_CSTR
strcat(char *_LIBC_UNSAFE_INDEXABLE __s1, const char *__s2)
_LIBC_PTRCHECK_REPLACED(strlcat);
char *_LIBC_CSTR strchr(const char *__s, int __c);
int strcmp(const char *__s1, const char *__s2);
int strcoll(const char *__s1, const char *__s2);
char *_LIBC_CSTR
strcpy(char *_LIBC_UNSAFE_INDEXABLE __dst, const char *__src)
_LIBC_PTRCHECK_REPLACED(strlcpy);
size_t strcspn(const char *__s, const char *__charset);
char *_LIBC_CSTR strerror(int __errnum) __DARWIN_ALIAS(strerror);
size_t strlen(const char *__s);
char *_LIBC_CSTR
strncat(char *_LIBC_UNSAFE_INDEXABLE __s1,
const char *_LIBC_COUNT(__n) __s2, size_t __n)
_LIBC_PTRCHECK_REPLACED(strlcat);
int strncmp(const char *_LIBC_UNSAFE_INDEXABLE __s1,
const char *_LIBC_UNSAFE_INDEXABLE __s2, size_t __n);
char *_LIBC_COUNT(__n)
strncpy(char *_LIBC_COUNT(__n) __dst,
const char *_LIBC_UNSAFE_INDEXABLE __src, size_t __n)
_LIBC_PTRCHECK_REPLACED(strlcpy);
char *_LIBC_CSTR strpbrk(const char *__s, const char *__charset);
char *_LIBC_CSTR strrchr(const char *__s, int __c);
size_t strspn(const char *__s, const char *__charset);
char *_LIBC_CSTR strstr(const char *__big, const char *__little);
char *_LIBC_CSTR strtok(char *_LIBC_CSTR __str, const char *__sep);
size_t strxfrm(char *_LIBC_COUNT(__n) __s1, const char *__s2, size_t __n);
__END_DECLS
/* Additional functionality provided by:
* POSIX.1c-1995,
* POSIX.1i-1995,
* and the omnibus ISO/IEC 9945-1: 1996
*/
#if __DARWIN_C_LEVEL >= 199506L
__BEGIN_DECLS
char *_LIBC_CSTR
strtok_r(char *_LIBC_CSTR __str, const char *__sep,
char *_LIBC_CSTR *__lasts);
__END_DECLS
#endif /* __DARWIN_C_LEVEL >= 199506L */
/* Additional functionality provided by:
* POSIX.1-2001
*/
#if __DARWIN_C_LEVEL >= 200112L
__BEGIN_DECLS
int strerror_r(int __errnum, char *_LIBC_COUNT(__buflen) __strerrbuf,
size_t __buflen);
char *_LIBC_CSTR strdup(const char *__s1);
void *_LIBC_UNSAFE_INDEXABLE /* in bounds of __dst */
memccpy(void *_LIBC_SIZE(__n) __dst, const void *_LIBC_SIZE(__n) __src,
int __c, size_t __n);
__END_DECLS
#endif /* __DARWIN_C_LEVEL >= 200112L */
/* Additional functionality provided by:
* POSIX.1-2008
*/
#if __DARWIN_C_LEVEL >= 200809L
__BEGIN_DECLS
char *_LIBC_CSTR
stpcpy(char *_LIBC_UNSAFE_INDEXABLE __dst, const char *__src) _LIBC_PTRCHECK_REPLACED(strlcpy);
char *_LIBC_COUNT(__n)
stpncpy(char *_LIBC_UNSAFE_INDEXABLE __dst,
const char *_LIBC_UNSAFE_INDEXABLE __src, size_t __n)
__OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3)
_LIBC_PTRCHECK_REPLACED(strlcpy);
char *_LIBC_CSTR strndup(const char *_LIBC_COUNT(__n) __s1, size_t __n) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
size_t strnlen(const char *_LIBC_COUNT(__n) __s1, size_t __n) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
char *_LIBC_CSTR strsignal(int __sig);
__END_DECLS
#endif /* __DARWIN_C_LEVEL >= 200809L */
/* C11 Annex K */
#if defined(__STDC_WANT_LIB_EXT1__) && __STDC_WANT_LIB_EXT1__ >= 1
#include <sys/_types/_rsize_t.h>
#include <sys/_types/_errno_t.h>
__BEGIN_DECLS
errno_t memset_s(void *_LIBC_SIZE(__smax) __s, rsize_t __smax, int __c, rsize_t __n) __OSX_AVAILABLE_STARTING(__MAC_10_9, __IPHONE_7_0);
__END_DECLS
#endif
/* Darwin extensions */
#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
#include <sys/_types/_ssize_t.h>
__BEGIN_DECLS
void *_LIBC_UNSAFE_INDEXABLE
memmem(const void *_LIBC_SIZE(__big_len) __big, size_t __big_len,
const void *_LIBC_SIZE(__little_len) __little, size_t __little_len) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
void memset_pattern4(void *_LIBC_SIZE(__len) __b, const void *_LIBC_SIZE(4) __pattern4, size_t __len) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_3_0);
void memset_pattern8(void *_LIBC_SIZE(__len) __b, const void *_LIBC_SIZE(8) __pattern8, size_t __len) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_3_0);
void memset_pattern16(void *_LIBC_SIZE(__len) __b, const void *_LIBC_SIZE(16) __pattern16, size_t __len) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_3_0);
char *_LIBC_CSTR
strcasestr(const char *__big, const char *__little);
__OSX_AVAILABLE(15.4) __IOS_AVAILABLE(18.4)
__TVOS_AVAILABLE(18.4) __WATCHOS_AVAILABLE(11.4)
char *_LIBC_CSTR
strchrnul(const char *__s, int __c);
char *_LIBC_CSTR
strnstr(const char *_LIBC_COUNT(__len) __big, const char *__little, size_t __len);
size_t strlcat(char *_LIBC_COUNT(__size) __dst, const char *__source, size_t __size);
size_t strlcpy(char *_LIBC_COUNT(__size) __dst, const char *__source, size_t __size);
void strmode(int __mode, char *_LIBC_COUNT(12) __bp);
char *_LIBC_CSTR
strsep(char *_LIBC_CSTR *__stringp, const char *__delim);
/* SUS places swab() in unistd.h. It is listed here for source compatibility */
void swab(const void *_LIBC_SIZE(__len) __restrict, void *_LIBC_SIZE(__len) __restrict, ssize_t __len);
__OSX_AVAILABLE(10.12.1) __IOS_AVAILABLE(10.1)
__TVOS_AVAILABLE(10.0.1) __WATCHOS_AVAILABLE(3.1)
int timingsafe_bcmp(const void *_LIBC_SIZE(__len) __b1, const void *_LIBC_SIZE(__len) __b2, size_t __len);
__OSX_AVAILABLE(11.0) __IOS_AVAILABLE(14.0)
__TVOS_AVAILABLE(14.0) __WATCHOS_AVAILABLE(7.0)
int strsignal_r(int __sig, char *_LIBC_COUNT(__buflen) __strsignalbuf, size_t __buflen);
__END_DECLS
/* Some functions historically defined in string.h were placed in strings.h
* by SUS.
*/
#include <_strings.h>
#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
#if defined (__GNUC__) && _FORTIFY_SOURCE > 0 && !defined (__cplusplus)
/* Security checking functions. */
#include <secure/_string.h>
#endif
#endif /* _STRING_H_ */
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