1 //===-- Pointer Converter for printf ----------------------------*- C++ -*-===// 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_STDIO_PRINTF_CORE_PTR_CONVERTER_H 10 #define LLVM_LIBC_SRC_STDIO_PRINTF_CORE_PTR_CONVERTER_H 11 12 #include "src/__support/macros/config.h" 13 #include "src/stdio/printf_core/core_structs.h" 14 #include "src/stdio/printf_core/int_converter.h" 15 #include "src/stdio/printf_core/string_converter.h" 16 #include "src/stdio/printf_core/writer.h" 17 18 namespace LIBC_NAMESPACE_DECL { 19 namespace printf_core { 20 21 LIBC_INLINE int convert_pointer(Writer *writer, const FormatSection &to_conv) { 22 FormatSection new_conv = to_conv; 23 24 if (to_conv.conv_val_ptr == nullptr) { 25 constexpr char NULLPTR_STR[] = "(nullptr)"; 26 new_conv.conv_name = 's'; 27 new_conv.conv_val_ptr = const_cast<char *>(NULLPTR_STR); 28 return convert_string(writer, new_conv); 29 } 30 new_conv.conv_name = 'x'; 31 new_conv.flags = 32 static_cast<FormatFlags>(to_conv.flags | FormatFlags::ALTERNATE_FORM); 33 new_conv.length_modifier = LengthModifier::t; 34 new_conv.conv_val_raw = reinterpret_cast<uintptr_t>(to_conv.conv_val_ptr); 35 return convert_int(writer, new_conv); 36 } 37 38 } // namespace printf_core 39 } // namespace LIBC_NAMESPACE_DECL 40 41 #endif // LLVM_LIBC_SRC_STDIO_PRINTF_CORE_PTR_CONVERTER_H 42