1303237Sdim// -*- C++ -*- 2303237Sdim//===--------------------------- string.h ---------------------------------===// 3303237Sdim// 4353358Sdim// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5353358Sdim// See https://llvm.org/LICENSE.txt for license information. 6353358Sdim// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7303237Sdim// 8303237Sdim//===----------------------------------------------------------------------===// 9303237Sdim 10303237Sdim#ifndef _LIBCPP_STRING_H 11303237Sdim#define _LIBCPP_STRING_H 12303237Sdim 13303237Sdim/* 14303237Sdim string.h synopsis 15303237Sdim 16303237SdimMacros: 17303237Sdim 18303237Sdim NULL 19303237Sdim 20303237SdimTypes: 21303237Sdim 22303237Sdim size_t 23303237Sdim 24303237Sdimvoid* memcpy(void* restrict s1, const void* restrict s2, size_t n); 25303237Sdimvoid* memmove(void* s1, const void* s2, size_t n); 26303237Sdimchar* strcpy (char* restrict s1, const char* restrict s2); 27303237Sdimchar* strncpy(char* restrict s1, const char* restrict s2, size_t n); 28303237Sdimchar* strcat (char* restrict s1, const char* restrict s2); 29303237Sdimchar* strncat(char* restrict s1, const char* restrict s2, size_t n); 30303237Sdimint memcmp(const void* s1, const void* s2, size_t n); 31303237Sdimint strcmp (const char* s1, const char* s2); 32303237Sdimint strncmp(const char* s1, const char* s2, size_t n); 33303237Sdimint strcoll(const char* s1, const char* s2); 34303237Sdimsize_t strxfrm(char* restrict s1, const char* restrict s2, size_t n); 35303237Sdimconst void* memchr(const void* s, int c, size_t n); 36303237Sdim void* memchr( void* s, int c, size_t n); 37303237Sdimconst char* strchr(const char* s, int c); 38303237Sdim char* strchr( char* s, int c); 39303237Sdimsize_t strcspn(const char* s1, const char* s2); 40303237Sdimconst char* strpbrk(const char* s1, const char* s2); 41303237Sdim char* strpbrk( char* s1, const char* s2); 42303237Sdimconst char* strrchr(const char* s, int c); 43303237Sdim char* strrchr( char* s, int c); 44303237Sdimsize_t strspn(const char* s1, const char* s2); 45303237Sdimconst char* strstr(const char* s1, const char* s2); 46303237Sdim char* strstr( char* s1, const char* s2); 47303237Sdimchar* strtok(char* restrict s1, const char* restrict s2); 48303237Sdimvoid* memset(void* s, int c, size_t n); 49303237Sdimchar* strerror(int errnum); 50303237Sdimsize_t strlen(const char* s); 51303237Sdim 52303237Sdim*/ 53303237Sdim 54303237Sdim#include <__config> 55303237Sdim 56303237Sdim#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 57303237Sdim#pragma GCC system_header 58303237Sdim#endif 59303237Sdim 60303237Sdim#include_next <string.h> 61303237Sdim 62303237Sdim// MSVCRT, GNU libc and its derivates may already have the correct prototype in 63303237Sdim// <string.h>. This macro can be defined by users if their C library provides 64303237Sdim// the right signature. 65303237Sdim#if defined(__CORRECT_ISO_CPP_STRING_H_PROTO) || defined(_LIBCPP_MSVCRT) || \ 66303237Sdim defined(__sun__) || defined(_STRING_H_CPLUSPLUS_98_CONFORMANCE_) 67303237Sdim#define _LIBCPP_STRING_H_HAS_CONST_OVERLOADS 68303237Sdim#endif 69303237Sdim 70303237Sdim#if defined(__cplusplus) && !defined(_LIBCPP_STRING_H_HAS_CONST_OVERLOADS) && defined(_LIBCPP_PREFERRED_OVERLOAD) 71303237Sdimextern "C++" { 72303237Sdiminline _LIBCPP_INLINE_VISIBILITY 73303237Sdimchar* __libcpp_strchr(const char* __s, int __c) {return (char*)strchr(__s, __c);} 74303237Sdiminline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 75303237Sdimconst char* strchr(const char* __s, int __c) {return __libcpp_strchr(__s, __c);} 76303237Sdiminline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 77303237Sdim char* strchr( char* __s, int __c) {return __libcpp_strchr(__s, __c);} 78303237Sdim 79303237Sdiminline _LIBCPP_INLINE_VISIBILITY 80303237Sdimchar* __libcpp_strpbrk(const char* __s1, const char* __s2) {return (char*)strpbrk(__s1, __s2);} 81303237Sdiminline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 82303237Sdimconst char* strpbrk(const char* __s1, const char* __s2) {return __libcpp_strpbrk(__s1, __s2);} 83303237Sdiminline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 84303237Sdim char* strpbrk( char* __s1, const char* __s2) {return __libcpp_strpbrk(__s1, __s2);} 85303237Sdim 86303237Sdiminline _LIBCPP_INLINE_VISIBILITY 87303237Sdimchar* __libcpp_strrchr(const char* __s, int __c) {return (char*)strrchr(__s, __c);} 88303237Sdiminline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 89303237Sdimconst char* strrchr(const char* __s, int __c) {return __libcpp_strrchr(__s, __c);} 90303237Sdiminline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 91303237Sdim char* strrchr( char* __s, int __c) {return __libcpp_strrchr(__s, __c);} 92303237Sdim 93303237Sdiminline _LIBCPP_INLINE_VISIBILITY 94303237Sdimvoid* __libcpp_memchr(const void* __s, int __c, size_t __n) {return (void*)memchr(__s, __c, __n);} 95303237Sdiminline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 96303237Sdimconst void* memchr(const void* __s, int __c, size_t __n) {return __libcpp_memchr(__s, __c, __n);} 97303237Sdiminline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 98303237Sdim void* memchr( void* __s, int __c, size_t __n) {return __libcpp_memchr(__s, __c, __n);} 99303237Sdim 100303237Sdiminline _LIBCPP_INLINE_VISIBILITY 101303237Sdimchar* __libcpp_strstr(const char* __s1, const char* __s2) {return (char*)strstr(__s1, __s2);} 102303237Sdiminline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 103303237Sdimconst char* strstr(const char* __s1, const char* __s2) {return __libcpp_strstr(__s1, __s2);} 104303237Sdiminline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 105303237Sdim char* strstr( char* __s1, const char* __s2) {return __libcpp_strstr(__s1, __s2);} 106303237Sdim} 107303237Sdim#endif 108303237Sdim 109303237Sdim#endif // _LIBCPP_STRING_H 110