1 //===-- Implementation of a struct to hold a string in menory -------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_LIBC_SRC___SUPPORT_C_STRING_H 10 #define LLVM_LIBC_SRC___SUPPORT_C_STRING_H 11 12 #include "src/__support/CPP/string.h" 13 #include "src/__support/macros/attributes.h" // for LIBC_INLINE 14 #include "src/__support/macros/config.h" 15 16 namespace LIBC_NAMESPACE_DECL { 17 18 // The CString class is a companion to the cpp::string class. Its use case is as 19 // a return value for a function that in C would return a char* and a flag for 20 // if that char* needs to be freed. 21 class CString { 22 cpp::string str; 23 24 public: 25 // These constructors can be implemented iff required. 26 CString() = delete; 27 CString(const CString &) = delete; 28 CString(CString &&) = delete; 29 CString(cpp::string in_str)30 LIBC_INLINE CString(cpp::string in_str) : str(in_str) {} 31 32 LIBC_INLINE operator const char *() const { return str.c_str(); } 33 }; 34 35 } // namespace LIBC_NAMESPACE_DECL 36 37 #endif // LLVM_LIBC_SRC___SUPPORT_C_STRING_H 38