C++ readPointer函数代码示例

static TACommandVerdict wcpncpy_cmd(TAThread thread,TAInputStream stream)
{
    wchar_t* dest;
    wchar_t* src;
    size_t n;
    wchar_t* res;

    // Prepare
    dest = (wchar_t*)readPointer(&stream);
    src = (wchar_t*)readPointer(&stream);
    n = readSize(&stream);

    START_TARGET_OPERATION(thread);

    // Execute
    res = wcpncpy(dest, src, n);

    END_TARGET_OPERATION(thread);

    // Response
    writePointer(thread, res);
    sendResponse(thread);

    return taDefaultVerdict;
}

static TACommandVerdict wcsncpy_cmd(TAThread thread, TAInputStream stream)
{
    wchar_t* ws1;
    wchar_t* ws2;
    size_t n;
    wchar_t* res;

    // Prepare
    ws1 = (wchar_t*)readPointer(&stream);
    ws2 = (wchar_t*)readPointer(&stream);
    n = readSize(&stream);

    START_TARGET_OPERATION(thread);

    // Execute
    res = wcsncpy(ws1, ws2, n);

    END_TARGET_OPERATION(thread);

    // Response
    writePointer(thread, res);
    sendResponse(thread);

    return taDefaultVerdict;
}

static TACommandVerdict wcstok_cmd(TAThread thread,TAInputStream stream)
{
    wchar_t* stringp, *buff, *delim, *res;

/*
    freopen(NULL, "a+", stdout);
    orient=fwide(stdout, 0);
    wprintf(L"Before wcstok(wprintf): mode==%ls\n", orient>0?L"Wide": orient<0?L"Byte":L"Non oriented");
    wprintf(L"Test==%ls\n", test);
    ta_debug_printf("Before wcstok(printf): mode==%s\n", orient>0?"Wide": orient<0?"Byte":"Non oriented");
*/    

    // Prepare       
    stringp=(wchar_t*)readPointer(&stream);
    delim=(wchar_t*)readPointer(&stream);
    buff=(wchar_t*)readPointer(&stream);    

    // Execute    
    START_TARGET_OPERATION(thread);
    res = wcstok(stringp, delim, &buff);
    END_TARGET_OPERATION(thread);

    // Response    
    writePointer(thread, res);
    writePointer(thread, buff);

    sendResponse(thread);

    return taDefaultVerdict;
}

static TACommandVerdict wcscmp_cmd(TAThread thread, TAInputStream stream)
{
    wchar_t* ws1;
    wchar_t* ws2;
    int res;

    // Prepare
    ws1 = (wchar_t*)readPointer(&stream);
    ws2 = (wchar_t*)readPointer(&stream);


    START_TARGET_OPERATION(thread);
	print_wstring(ws1);
	print_wstring(ws2);

    // Execute
    res = wcscmp(ws1, ws2);
	ta_debug_printf("res %d\n", res);

    END_TARGET_OPERATION(thread);

    // Response
    writeInt(thread, res);
    sendResponse(thread);

    return taDefaultVerdict;
}

static TACommandVerdict strtok_r_cmd(TAThread thread,TAInputStream stream)
{
    char* stringp, *buff;
    char *delim, *res;

    // Prepare       
    stringp=(char*)readPointer(&stream);
    delim=(char*)readPointer(&stream);
    buff=(char*)readPointer(&stream);    

    ta_debug_printf("strtok_r...\n");
    ta_debug_printf("stringp==%s\n", stringp);  
    ta_debug_printf("delim==%s\n", delim);
    
    // Execute    
    START_TARGET_OPERATION(thread);
    res = strtok_r(stringp, delim, &buff);
    END_TARGET_OPERATION(thread);

    ta_debug_printf("After...\n");
    ta_debug_printf("stringp==%s\n", stringp);
    ta_debug_printf("delim==%s\n", delim);
    ta_debug_printf("buff==%s\n", buff);

    // Response    
    writePointer(thread, res);
    writePointer(thread, buff);

    sendResponse(thread);

    return taDefaultVerdict;
}

static TACommandVerdict gzgets_cmd(TAThread thread,TAInputStream stream)
{
    void* file;
    char* buf, *res;
    int len, errnum;

    file = readPointer(&stream);
    buf = (char*)readPointer(&stream);
    len = readInt(&stream);

    START_TARGET_OPERATION(thread);

    res = gzgets(file, buf, len);

    END_TARGET_OPERATION(thread);

    gzerror(file, &errnum);

    writeInt(thread, errnum);
    writePointer(thread, (void*)res);

    sendResponse(thread);

    return taDefaultVerdict;
}

static TACommandVerdict compress_cmd(TAThread thread,TAInputStream stream)
{
    Bytef * dest, *source;
    uLongf destLen, sourceLen;
    int res;

    dest = readPointer(&stream);
    destLen = readULong(&stream);
    source = readPointer(&stream);
    sourceLen=readULong(&stream);

    START_TARGET_OPERATION(thread);

    res = compress(dest, &destLen, source, sourceLen);

    END_TARGET_OPERATION(thread);

    writePointer(thread, dest);
    writeULong(thread, destLen);
    writeInt(thread, res);

    sendResponse(thread);

    return taDefaultVerdict;
}

static TACommandVerdict compress2_cmd(TAThread thread,TAInputStream stream)
{
    Bytef * dest, *source;
    uLongf destLen, sourceLen;
    int res, level;

    dest = readPointer(&stream);
    destLen = readULong(&stream);
    source = readPointer(&stream);
    sourceLen = readULong(&stream);
    level = readInt(&stream);

    ta_debug_printf("level==%d\n", level);
    ta_debug_printf("source==%s\n", source);

    START_TARGET_OPERATION(thread);

    if(level==-1)
        res = compress2(dest, &destLen, source, sourceLen,
                                                Z_DEFAULT_COMPRESSION);
    else
        res = compress2(dest, &destLen, source, sourceLen, level);

    END_TARGET_OPERATION(thread);

    ta_debug_printf("dest==%s\n", dest);

    writePointer(thread, dest);
    writeULong(thread, destLen);
    writeInt(thread, res);

    sendResponse(thread);

    return taDefaultVerdict;
}

/**
 * Attempt to read a value applicaiton expression type node at a certain offset.
 *
 * @param  hatFile The file to read the node from.
 * @param  offset  The offset where the start of the node should be.
 * @return A node construct containing the read values.
 */
node* readExpValueApp(FILE *hatFile, unsigned long offset)
{
    int  argIndex;
    node *newNode = (node *)malloc(sizeof(node));
    char tag;
    
    newNode->nodeType = ExpValueApp;
    newNode->offset = offset;
    
    setFilePos(hatFile, offset);
    tag = readByte(hatFile);
    if (newNode->params.expValueApp.hasUse = hasSrcPos(tag))
    {
        newNode->params.expValueApp.use = readPointer(hatFile);
    }
    newNode->params.expValueApp.parent = readPointer(hatFile);
    newNode->params.expValueApp.function = readPointer(hatFile);
    newNode->params.expValueApp.arity = readArity(hatFile);
    newNode->params.expValueApp.args = (unsigned long *)malloc(newNode->params.expValueApp.arity * sizeof(unsigned long));
    for (argIndex = 0; argIndex < newNode->params.expValueApp.arity; argIndex++)
    {
        newNode->params.expValueApp.args[argIndex] = readPointer(hatFile);
    }
    
    return newNode;
}

static TACommandVerdict gzread_cmd(TAThread thread,TAInputStream stream)
{
    void* file, *buf;
    unsigned int len;
    int errnum, res;

    file = readPointer(&stream);
    buf = readPointer(&stream);
    len = readUInt(&stream);

    START_TARGET_OPERATION(thread);

    errno = 0;
    res = gzread(file, buf, len);

    END_TARGET_OPERATION(thread);

    gzerror(file, &errnum);

    writeInt(thread, errnum);
    writeInt(thread, errno);
    writeInt(thread, res);

    sendResponse(thread);

    return taDefaultVerdict;
}

static TACommandVerdict strncpy_cmd(TAThread thread, TAInputStream stream)
{
    char* s1;
    char* s2;
    size_t n;
    char* res;

    // Prepare
    s1 = (char*)readPointer(&stream);
    s2 = (char*)readPointer(&stream);
    n = readSize(&stream);

    START_TARGET_OPERATION(thread);

    // Execute
    res = strncpy(s1, s2, n);

    END_TARGET_OPERATION(thread);

    // Response
    writePointer(thread, res);
    sendResponse(thread);

    return taDefaultVerdict;
}

/**
 * Attempt to read an atom constructor type node at a certain offset.
 *
 * @param  hatFile The file to read the node from.
 * @param  offset  The offset where the start of the node should be.
 * @return A node construct containing the read values.
 */
node* readAtomConstructor(FILE *hatFile, unsigned long offset)
{
    int  argIndex;
    char tag;
    node *newNode = (node *)malloc(sizeof(node));
    
    newNode->nodeType = AtomConstructor;
    newNode->offset = offset;
    
    setFilePos(hatFile, offset);
    tag = readByte(hatFile);
    newNode->params.atomConstructor.module = readPointer(hatFile);
    newNode->params.atomConstructor.filePos = readPosition(hatFile);
    readPosition(hatFile);  /* skip position end */
    newNode->params.atomConstructor.fix = readFixPri(hatFile);
    newNode->params.atomConstructor.arity = readArity(hatFile);
    newNode->params.atomConstructor.name = readString(hatFile);
    if (newNode->params.atomConstructor.hasFields = hasFields(tag))
    {
        newNode->params.atomConstructor.args = (unsigned long *)malloc(newNode->params.atomConstructor.arity * sizeof(unsigned long));
        for (argIndex = 0; argIndex < newNode->params.atomConstructor.arity; argIndex++)
        {
            newNode->params.atomConstructor.args[argIndex] = readPointer(hatFile);
        }
    }
    
    return newNode;
}

/**
 * Attempt to read a hidden expression type node at a certain offset.
 *
 * @param  hatFile The file to read the node from.
 * @param  offset  The offset where the start of the node should be.
 * @return A node construct containing the read values.
 */
node* readExpHidden(FILE *hatFile, unsigned long offset)
{
    node *newNode = (node *)malloc(sizeof(node));
    
    newNode->nodeType = ExpHidden;
    newNode->offset = offset;
    
    setFilePos(hatFile, offset + 1);
    newNode->params.expHidden.parent = readPointer(hatFile);
    newNode->params.expHidden.result = readPointer(hatFile);
    
    return newNode;
}

static TACommandVerdict crc32_cmd(TAThread thread,TAInputStream stream)
{
    uLong crc, res;
    uInt len;
    Bytef* buf;

    // Prepare
    crc = readULong(&stream);
    buf = readPointer(&stream);
    len = readUInt(&stream);

    START_TARGET_OPERATION(thread);

    res = crc32(crc, buf, len);

    END_TARGET_OPERATION(thread);

    if(buf==0)
        ta_debug_printf("res==%u\n", res);

    // Response
    writeULong(thread, res);

    sendResponse(thread);

    return taDefaultVerdict;
}

static TACommandVerdict mvwhline_cmd(TAThread thread,TAInputStream stream)
{
    WINDOW *win;
    chtype ch;
    int n;
    int y;
    int x;
    int res;

    win = readPointer(&stream);
    y = readInt(&stream);
    x = readInt(&stream);
    ch = readChType(&stream);
    n = readInt(&stream);
    
    START_TARGET_OPERATION(thread);
    
    res = mvwhline(win, y, x, ch, n);
    
    END_TARGET_OPERATION(thread);
    
    writeInt(thread, res);
    sendResponse(thread);
    
    return taDefaultVerdict;
}