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 17 Macros: 18 19 NULL 20 21 Types: 22 23 size_t 24 25 void* memcpy(void* restrict s1, const void* restrict s2, size_t n); 26 void* memmove(void* s1, const void* s2, size_t n); 27 char* strcpy (char* restrict s1, const char* restrict s2); 28 char* strncpy(char* restrict s1, const char* restrict s2, size_t n); 29 char* strcat (char* restrict s1, const char* restrict s2); 30 char* strncat(char* restrict s1, const char* restrict s2, size_t n); 31 int memcmp(const void* s1, const void* s2, size_t n); 32 int strcmp (const char* s1, const char* s2); 33 int strncmp(const char* s1, const char* s2, size_t n); 34 int strcoll(const char* s1, const char* s2); 35 size_t strxfrm(char* restrict s1, const char* restrict s2, size_t n); 36 const void* memchr(const void* s, int c, size_t n); 37 void* memchr( void* s, int c, size_t n); 38 const char* strchr(const char* s, int c); 39 char* strchr( char* s, int c); 40 size_t strcspn(const char* s1, const char* s2); 41 const char* strpbrk(const char* s1, const char* s2); 42 char* strpbrk( char* s1, const char* s2); 43 const char* strrchr(const char* s, int c); 44 char* strrchr( char* s, int c); 45 size_t strspn(const char* s1, const char* s2); 46 const char* strstr(const char* s1, const char* s2); 47 char* strstr( char* s1, const char* s2); 48 char* strtok(char* restrict s1, const char* restrict s2); 49 void* memset(void* s, int c, size_t n); 50 char* strerror(int errnum); 51 size_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) 72 extern "C++" { 73 inline _LIBCPP_INLINE_VISIBILITY 74 char* __libcpp_strchr(const char* __s, int __c) {return (char*)strchr(__s, __c);} 75 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 76 const char* strchr(const char* __s, int __c) {return __libcpp_strchr(__s, __c);} 77 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 78 char* strchr( char* __s, int __c) {return __libcpp_strchr(__s, __c);} 79 80 inline _LIBCPP_INLINE_VISIBILITY 81 char* __libcpp_strpbrk(const char* __s1, const char* __s2) {return (char*)strpbrk(__s1, __s2);} 82 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 83 const char* strpbrk(const char* __s1, const char* __s2) {return __libcpp_strpbrk(__s1, __s2);} 84 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 85 char* strpbrk( char* __s1, const char* __s2) {return __libcpp_strpbrk(__s1, __s2);} 86 87 inline _LIBCPP_INLINE_VISIBILITY 88 char* __libcpp_strrchr(const char* __s, int __c) {return (char*)strrchr(__s, __c);} 89 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 90 const char* strrchr(const char* __s, int __c) {return __libcpp_strrchr(__s, __c);} 91 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 92 char* strrchr( char* __s, int __c) {return __libcpp_strrchr(__s, __c);} 93 94 inline _LIBCPP_INLINE_VISIBILITY 95 void* __libcpp_memchr(const void* __s, int __c, size_t __n) {return (void*)memchr(__s, __c, __n);} 96 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 97 const void* memchr(const void* __s, int __c, size_t __n) {return __libcpp_memchr(__s, __c, __n);} 98 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 99 void* memchr( void* __s, int __c, size_t __n) {return __libcpp_memchr(__s, __c, __n);} 100 101 inline _LIBCPP_INLINE_VISIBILITY 102 char* __libcpp_strstr(const char* __s1, const char* __s2) {return (char*)strstr(__s1, __s2);} 103 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD 104 const char* strstr(const char* __s1, const char* __s2) {return __libcpp_strstr(__s1, __s2);} 105 inline _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
