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/*
* Copyright (C) 2019 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.
*/
#include <memory>
#include "android-base/cmsg.h"
#include "android-base/file.h"
#include "android-base/mapped_file.h"
#include "android-base/unique_fd.h"
namespace android {
namespace base {
// These ABI-compatibility shims are in a separate file for two reasons:
// 1. If they were in the file with the actual functions, it prevents calls to
// those functions by other functions in the file, due to ambiguity.
// 2. We will hopefully be able to delete these quickly.
#if !defined(_WIN32)
ssize_t SendFileDescriptorVector(int sockfd, const void* data, size_t len,
const std::vector<int>& fds) {
return SendFileDescriptorVector(borrowed_fd(sockfd), data, len, fds);
}
ssize_t ReceiveFileDescriptorVector(int sockfd, void* data, size_t len, size_t max_fds,
std::vector<unique_fd>* fds) {
return ReceiveFileDescriptorVector(borrowed_fd(sockfd), data, len, max_fds, fds);
}
#endif
bool ReadFdToString(int fd, std::string* content) {
return ReadFdToString(borrowed_fd(fd), content);
}
bool WriteStringToFd(const std::string& content, int fd) {
return WriteStringToFd(content, borrowed_fd(fd));
}
bool ReadFully(int fd, void* data, size_t byte_count) {
return ReadFully(borrowed_fd(fd), data, byte_count);
}
bool ReadFullyAtOffset(int fd, void* data, size_t byte_count, off64_t offset) {
return ReadFullyAtOffset(borrowed_fd(fd), data, byte_count, offset);
}
bool WriteFully(int fd, const void* data, size_t byte_count) {
return WriteFully(borrowed_fd(fd), data, byte_count);
}
#if defined(__LP64__)
#define MAPPEDFILE_FROMFD _ZN10MappedFile6FromFdEilmi
#else
#define MAPPEDFILE_FROMFD _ZN10MappedFile6FromFdEixmi
#endif
#pragma clang diagnostic ignored "-Wreturn-type-c-linkage"
extern "C" std::unique_ptr<MappedFile> MAPPEDFILE_FROMFD(int fd, off64_t offset, size_t length,
int prot) {
return MappedFile::FromFd(fd, offset, length, prot);
}
} // namespace base
} // namespace android
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