llvm-project/lldb/source/Core/StreamGDBRemote.cpp

//===-- StreamGDBRemote.cpp -------------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include "lldb/Core/StreamGDBRemote.h"
#include <stdio.h>

using namespace lldb;
using namespace lldb_private;

StreamGDBRemote::StreamGDBRemote () :
StreamString ()
{
}

StreamGDBRemote::StreamGDBRemote(uint32_t flags, uint32_t addr_size, ByteOrder byte_order) :
StreamString (flags, addr_size, byte_order)
{
}

StreamGDBRemote::~StreamGDBRemote()
{
}


int
StreamGDBRemote::PutEscapedBytes (const void* s,
                                  size_t src_len)
{
    int bytes_written = 0;
    const uint8_t *src = (const uint8_t *)s;
    bool binary_is_set = m_flags.Test(eBinary);
    m_flags.Clear(eBinary);
    while (src_len)
    {
        uint8_t byte = *src;
        src++; src_len--;
        if (byte == 0x23 || byte == 0x24 || byte == 0x7d || byte == 0x2a)
        {
            bytes_written += PutChar(0x7d);
            byte ^= 0x20;
        }
        bytes_written += PutChar(byte);
    };
    if (binary_is_set)
        m_flags.Set(eBinary);
    return bytes_written;
}