| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #pragma once |
| |
| #include <stdarg.h> |
| #include <stdio.h> |
| |
| #include <private/bionic_macros.h> |
| |
| class MallocXmlElem { |
| public: |
| // Name must be valid throughout lifetime of the object. |
| explicit MallocXmlElem(FILE* fp, const char* name, |
| const char* attr_fmt = nullptr, ...) : fp_(fp), name_(name) { |
| fprintf(fp, "<%s", name_); |
| if (attr_fmt != nullptr) { |
| va_list args; |
| va_start(args, attr_fmt); |
| fputc(' ', fp_); |
| vfprintf(fp_, attr_fmt, args); |
| va_end(args); |
| } |
| fputc('>', fp_); |
| } |
| |
| ~MallocXmlElem() noexcept { |
| fprintf(fp_, "</%s>", name_); |
| } |
| |
| void Contents(const char* fmt, ...) { |
| va_list args; |
| va_start(args, fmt); |
| vfprintf(fp_, fmt, args); |
| va_end(args); |
| } |
| |
| private: |
| FILE* fp_; |
| const char* name_; |
| |
| BIONIC_DISALLOW_IMPLICIT_CONSTRUCTORS(MallocXmlElem); |
| }; |