| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef _LIBCPP_STRING_H |
| #define _LIBCPP_STRING_H |
| |
| /* |
| string.h synopsis |
| |
| Macros: |
| |
| NULL |
| |
| Types: |
| |
| size_t |
| |
| void* memcpy(void* restrict s1, const void* restrict s2, size_t n); |
| void* memmove(void* s1, const void* s2, size_t n); |
| char* strcpy (char* restrict s1, const char* restrict s2); |
| char* strncpy(char* restrict s1, const char* restrict s2, size_t n); |
| char* strcat (char* restrict s1, const char* restrict s2); |
| char* strncat(char* restrict s1, const char* restrict s2, size_t n); |
| int memcmp(const void* s1, const void* s2, size_t n); |
| int strcmp (const char* s1, const char* s2); |
| int strncmp(const char* s1, const char* s2, size_t n); |
| int strcoll(const char* s1, const char* s2); |
| size_t strxfrm(char* restrict s1, const char* restrict s2, size_t n); |
| const void* memchr(const void* s, int c, size_t n); |
| void* memchr( void* s, int c, size_t n); |
| const char* strchr(const char* s, int c); |
| char* strchr( char* s, int c); |
| size_t strcspn(const char* s1, const char* s2); |
| const char* strpbrk(const char* s1, const char* s2); |
| char* strpbrk( char* s1, const char* s2); |
| const char* strrchr(const char* s, int c); |
| char* strrchr( char* s, int c); |
| size_t strspn(const char* s1, const char* s2); |
| const char* strstr(const char* s1, const char* s2); |
| char* strstr( char* s1, const char* s2); |
| char* strtok(char* restrict s1, const char* restrict s2); |
| void* memset(void* s, int c, size_t n); |
| char* strerror(int errnum); |
| size_t strlen(const char* s); |
| |
| */ |
| |
| #include <__config> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| #pragma GCC system_header |
| #endif |
| |
| #include_next <string.h> |
| |
| // MSVCRT, GNU libc and its derivates may already have the correct prototype in |
| // <string.h>. This macro can be defined by users if their C library provides |
| // the right signature. |
| #if defined(__CORRECT_ISO_CPP_STRING_H_PROTO) || defined(_LIBCPP_MSVCRT) || \ |
| defined(__sun__) || defined(_STRING_H_CPLUSPLUS_98_CONFORMANCE_) |
| #define _LIBCPP_STRING_H_HAS_CONST_OVERLOADS |
| #endif |
| |
| #if defined(__cplusplus) && !defined(_LIBCPP_STRING_H_HAS_CONST_OVERLOADS) && defined(_LIBCPP_PREFERRED_OVERLOAD) |
| extern "C++" { |
| inline _LIBCPP_INLINE_VISIBILITY |
| char* __libcpp_strchr(const char* __s, int __c) {return (char*)strchr(__s, __c);} |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD |
| const char* strchr(const char* __s, int __c) {return __libcpp_strchr(__s, __c);} |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD |
| char* strchr( char* __s, int __c) {return __libcpp_strchr(__s, __c);} |
| |
| inline _LIBCPP_INLINE_VISIBILITY |
| char* __libcpp_strpbrk(const char* __s1, const char* __s2) {return (char*)strpbrk(__s1, __s2);} |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD |
| const char* strpbrk(const char* __s1, const char* __s2) {return __libcpp_strpbrk(__s1, __s2);} |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD |
| char* strpbrk( char* __s1, const char* __s2) {return __libcpp_strpbrk(__s1, __s2);} |
| |
| inline _LIBCPP_INLINE_VISIBILITY |
| char* __libcpp_strrchr(const char* __s, int __c) {return (char*)strrchr(__s, __c);} |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD |
| const char* strrchr(const char* __s, int __c) {return __libcpp_strrchr(__s, __c);} |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD |
| char* strrchr( char* __s, int __c) {return __libcpp_strrchr(__s, __c);} |
| |
| inline _LIBCPP_INLINE_VISIBILITY |
| void* __libcpp_memchr(const void* __s, int __c, size_t __n) {return (void*)memchr(__s, __c, __n);} |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD |
| const void* memchr(const void* __s, int __c, size_t __n) {return __libcpp_memchr(__s, __c, __n);} |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD |
| void* memchr( void* __s, int __c, size_t __n) {return __libcpp_memchr(__s, __c, __n);} |
| |
| inline _LIBCPP_INLINE_VISIBILITY |
| char* __libcpp_strstr(const char* __s1, const char* __s2) {return (char*)strstr(__s1, __s2);} |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD |
| const char* strstr(const char* __s1, const char* __s2) {return __libcpp_strstr(__s1, __s2);} |
| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD |
| char* strstr( char* __s1, const char* __s2) {return __libcpp_strstr(__s1, __s2);} |
| } |
| #endif |
| |
| #endif // _LIBCPP_STRING_H |