// Copyright 2018 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 <sys/cdefs.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <pthread.h>  /* for pthread_once() */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <qemu_pipe_bp.h>
#include <log/log.h>
bool qemu_pipe_read_fully(QEMU_PIPE_HANDLE pipe, void* buffer, int size) {
    uint8_t* p = (uint8_t*)(buffer);
    size_t remaining = size;
    while (remaining > 0) {
        size_t n = TEMP_FAILURE_RETRY(read(pipe, p, remaining));
        if (n <= 0) return false;
        p += n;
        remaining -= n;
    }
    return true;
}

bool qemu_pipe_write_fully(QEMU_PIPE_HANDLE pipe, const void* buffer, int size) {
    const uint8_t* p = (const uint8_t*)(buffer);
    size_t remaining = size;
    while (remaining > 0) {
        size_t n = TEMP_FAILURE_RETRY(write(pipe, p, remaining));
        if (n == -1) return false;
        p += n;
        remaining -= n;
    }
    return true;
}