1// -*- C++ -*- 2//===--------------------------- string.h ---------------------------------===// 3// 4// The LLVM Compiler Infrastructure 5// 6// This file is distributed under the University of Illinois Open Source 7// License. See LICENSE.TXT for details. 8// 9//===----------------------------------------------------------------------===// 10 11#ifndef _LIBCPP_STRING_H 12#define _LIBCPP_STRING_H 13 14/* 15 string.h synopsis 16 17Macros: 18 19 NULL 20 21Types: 22 23 size_t 24 25void* memcpy(void* restrict s1, const void* restrict s2, size_t n); 26void* memmove(void* s1, const void* s2, size_t n); 27char* strcpy (char* restrict s1, const char* restrict s2); 28char* strncpy(char* restrict s1, const char* restrict s2, size_t n); 29char* strcat (char* restrict s1, const char* restrict s2); 30char* strncat(char* restrict s1, const char* restrict s2, size_t n); 31int memcmp(const void* s1, const void* s2, size_t n); 32int strcmp (const char* s1, const char* s2); 33int strncmp(const char* s1, const char* s2, size_t n); 34int strcoll(const char* s1, const char* s2); 35size_t strxfrm(char* restrict s1, const char* restrict s2, size_t n); 36const void* memchr(const void* s, int c, size_t n); 37 void* memchr( void* s, int c, size_t n); 38const char* strchr(const char* s, int c); 39 char* strchr( char* s, int c); 40size_t strcspn(const char* s1, const char* s2); 41const char* strpbrk(const char* s1, const char* s2); 42 char* strpbrk( char* s1, const char* s2); 43const char* strrchr(const char* s, int c); 44 char* strrchr( char* s, int c); 45size_t strspn(const char* s1, const char* s2); 46const char* strstr(const char* s1, const char* s2); 47 char* strstr( char* s1, const char* s2); 48char* strtok(char* restrict s1, const char* restrict s2); 49void* memset(void* s, int c, size_t n); 50char* strerror(int errnum); 51size_t strlen(const char* s); 52 53*/ 54 55#include <__config> 56 57#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 58#pragma GCC system_header 59#endif 60 61#include_next <string.h> 62 63// MSVCRT, GNU libc and its derivates may already have the correct prototype in 64// <string.h>. This macro can be defined by users if their C library provides 65// the right signature. 66#if defined(__CORRECT_ISO_CPP_STRING_H_PROTO) || defined(_LIBCPP_MSVCRT) || \ 67 defined(__sun__) || defined(_STRING_H_CPLUSPLUS_98_CONFORMANCE_) 68#define _LIBCPP_STRING_H_HAS_CONST_OVERLOADS 69#endif 70 71#if defined(__cplusplus) && !defined(_LIBCPP_STRING_H_HAS_CONST_OVERLOADS) && defined(_LIBCPP_PREFERRED_OVERLOAD) 72extern "C++" { 73inline _LIBCPP_INLINE_VISIBILITY 74char* __libcpp_strchr(const char* __s, int __c) {return (char*)strchr(__s, __c);} 75inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 76const char* strchr(const char* __s, int __c) {return __libcpp_strchr(__s, __c);} 77inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 78 char* strchr( char* __s, int __c) {return __libcpp_strchr(__s, __c);} 79 80inline _LIBCPP_INLINE_VISIBILITY 81char* __libcpp_strpbrk(const char* __s1, const char* __s2) {return (char*)strpbrk(__s1, __s2);} 82inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 83const char* strpbrk(const char* __s1, const char* __s2) {return __libcpp_strpbrk(__s1, __s2);} 84inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 85 char* strpbrk( char* __s1, const char* __s2) {return __libcpp_strpbrk(__s1, __s2);} 86 87inline _LIBCPP_INLINE_VISIBILITY 88char* __libcpp_strrchr(const char* __s, int __c) {return (char*)strrchr(__s, __c);} 89inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 90const char* strrchr(const char* __s, int __c) {return __libcpp_strrchr(__s, __c);} 91inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 92 char* strrchr( char* __s, int __c) {return __libcpp_strrchr(__s, __c);} 93 94inline _LIBCPP_INLINE_VISIBILITY 95void* __libcpp_memchr(const void* __s, int __c, size_t __n) {return (void*)memchr(__s, __c, __n);} 96inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 97const void* memchr(const void* __s, int __c, size_t __n) {return __libcpp_memchr(__s, __c, __n);} 98inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 99 void* memchr( void* __s, int __c, size_t __n) {return __libcpp_memchr(__s, __c, __n);} 100 101inline _LIBCPP_INLINE_VISIBILITY 102char* __libcpp_strstr(const char* __s1, const char* __s2) {return (char*)strstr(__s1, __s2);} 103inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 104const char* strstr(const char* __s1, const char* __s2) {return __libcpp_strstr(__s1, __s2);} 105inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 106 char* strstr( char* __s1, const char* __s2) {return __libcpp_strstr(__s1, __s2);} 107} 108#endif 109 110#endif // _LIBCPP_STRING_H 111