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/*
* 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 <unistd.h>
#include <platform/bionic/macros.h>
class MallocXmlElem {
public:
// Name must be valid throughout lifetime of the object.
explicit MallocXmlElem(int fd, const char* name,
const char* attr_fmt = nullptr, ...) : fd_(fd), name_(name) {
dprintf(fd_, "<%s", name_);
if (attr_fmt != nullptr) {
va_list args;
va_start(args, attr_fmt);
write(fd_, " ", 1);
vdprintf(fd_, attr_fmt, args);
va_end(args);
}
write(fd_, ">", 1);
}
~MallocXmlElem() noexcept {
dprintf(fd_, "</%s>", name_);
}
void Contents(const char* fmt, ...) {
va_list args;
va_start(args, fmt);
vdprintf(fd_, fmt, args);
va_end(args);
}
private:
int fd_;
const char* name_;
BIONIC_DISALLOW_IMPLICIT_CONSTRUCTORS(MallocXmlElem);
};
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