C++ (Cpp) newdbmobjectの例

コード例 #1

ファイル: dbmmodule.c プロジェクト: Oize/pspstacklesspython

static PyObject *
dbmopen(PyObject *self, PyObject *args)
{
	char *name;
	char *flags = "r";
	int iflags;
	int mode = 0666;

        if ( !PyArg_ParseTuple(args, "s|si:open", &name, &flags, &mode) )
		return NULL;
	if ( strcmp(flags, "r") == 0 )
		iflags = O_RDONLY;
	else if ( strcmp(flags, "w") == 0 )
		iflags = O_RDWR;
	else if ( strcmp(flags, "rw") == 0 ) /* B/W compat */
		iflags = O_RDWR|O_CREAT; 
	else if ( strcmp(flags, "c") == 0 )
		iflags = O_RDWR|O_CREAT;
	else if ( strcmp(flags, "n") == 0 )
		iflags = O_RDWR|O_CREAT|O_TRUNC;
	else {
		PyErr_SetString(DbmError,
				"arg 2 to open should be 'r', 'w', 'c', or 'n'");
		return NULL;
	}
        return newdbmobject(name, iflags, mode);
}

コード例 #2

ファイル: gdbmmodule.c プロジェクト: Oize/pspstacklesspython

static PyObject *
dbmopen(PyObject *self, PyObject *args)
{
    char *name;
    char *flags = "r";
    int iflags;
    int mode = 0666;

    if (!PyArg_ParseTuple(args, "s|si:open", &name, &flags, &mode))
        return NULL;
    switch (flags[0]) {
    case 'r':
        iflags = GDBM_READER;
        break;
    case 'w':
        iflags = GDBM_WRITER;
        break;
    case 'c':
        iflags = GDBM_WRCREAT;
        break;
    case 'n':
        iflags = GDBM_NEWDB;
        break;
    default:
        PyErr_SetString(DbmError,
                        "First flag must be one of 'r', 'w', 'c' or 'n'");
        return NULL;
    }
    for (flags++; *flags != '\0'; flags++) {
        char buf[40];
        switch (*flags) {
#ifdef GDBM_FAST
            case 'f':
                iflags |= GDBM_FAST;
                break;
#endif
#ifdef GDBM_SYNC
            case 's':
                iflags |= GDBM_SYNC;
                break;
#endif
#ifdef GDBM_NOLOCK
            case 'u':
                iflags |= GDBM_NOLOCK;
                break;
#endif
            default:
                PyOS_snprintf(buf, sizeof(buf), "Flag '%c' is not supported.",
                	      *flags);
                PyErr_SetString(DbmError, buf);
                return NULL;
        }
    }

    return newdbmobject(name, iflags, mode);
}

コード例 #3

ファイル: _gdbmmodule.c プロジェクト: ARK4579/cpython

static PyObject *
dbmopen_impl(PyModuleDef *module, const char *name, const char *flags,
             int mode)
/*[clinic end generated code: output=365b31415c03ccd4 input=55563cd60e51984a]*/
{
    int iflags;

    switch (flags[0]) {
    case 'r':
        iflags = GDBM_READER;
        break;
    case 'w':
        iflags = GDBM_WRITER;
        break;
    case 'c':
        iflags = GDBM_WRCREAT;
        break;
    case 'n':
        iflags = GDBM_NEWDB;
        break;
    default:
        PyErr_SetString(DbmError,
                        "First flag must be one of 'r', 'w', 'c' or 'n'");
        return NULL;
    }
    for (flags++; *flags != '\0'; flags++) {
        char buf[40];
        switch (*flags) {
#ifdef GDBM_FAST
            case 'f':
                iflags |= GDBM_FAST;
                break;
#endif
#ifdef GDBM_SYNC
            case 's':
                iflags |= GDBM_SYNC;
                break;
#endif
#ifdef GDBM_NOLOCK
            case 'u':
                iflags |= GDBM_NOLOCK;
                break;
#endif
            default:
                PyOS_snprintf(buf, sizeof(buf), "Flag '%c' is not supported.",
                              *flags);
                PyErr_SetString(DbmError, buf);
                return NULL;
        }
    }

    return newdbmobject(name, iflags, mode);
}

コード例 #4

ファイル: _dbmmodule.c プロジェクト: LesyaMazurevich/python-1

static PyObject *
dbmopen_impl(PyModuleDef *module, const char *filename, const char *flags, int mode)
/*[clinic end generated code: checksum=fb265f75641553ccd963f84c143b35c11f9121fc]*/
{
    int iflags;

    if ( strcmp(flags, "r") == 0 )
        iflags = O_RDONLY;
    else if ( strcmp(flags, "w") == 0 )
        iflags = O_RDWR;
    else if ( strcmp(flags, "rw") == 0 ) /* B/W compat */
        iflags = O_RDWR|O_CREAT;
    else if ( strcmp(flags, "c") == 0 )
        iflags = O_RDWR|O_CREAT;
    else if ( strcmp(flags, "n") == 0 )
        iflags = O_RDWR|O_CREAT|O_TRUNC;
    else {
        PyErr_SetString(DbmError,
                        "arg 2 to open should be 'r', 'w', 'c', or 'n'");
        return NULL;
    }
    return newdbmobject(filename, iflags, mode);
}

コード例 #5

ファイル: _dbmmodule.c プロジェクト: adrian17/cpython

static PyObject *
dbmopen_impl(PyObject *module, PyObject *filename, const char *flags,
             int mode)
/*[clinic end generated code: output=9527750f5df90764 input=376a9d903a50df59]*/
{
    int iflags;

    if ( strcmp(flags, "r") == 0 )
        iflags = O_RDONLY;
    else if ( strcmp(flags, "w") == 0 )
        iflags = O_RDWR;
    else if ( strcmp(flags, "rw") == 0 ) /* B/W compat */
        iflags = O_RDWR|O_CREAT;
    else if ( strcmp(flags, "c") == 0 )
        iflags = O_RDWR|O_CREAT;
    else if ( strcmp(flags, "n") == 0 )
        iflags = O_RDWR|O_CREAT|O_TRUNC;
    else {
        PyErr_SetString(DbmError,
                        "arg 2 to open should be 'r', 'w', 'c', or 'n'");
        return NULL;
    }

    PyObject *filenamebytes = PyUnicode_EncodeFSDefault(filename);
    if (filenamebytes == NULL) {
        return NULL;
    }
    const char *name = PyBytes_AS_STRING(filenamebytes);
    if (strlen(name) != (size_t)PyBytes_GET_SIZE(filenamebytes)) {
        Py_DECREF(filenamebytes);
        PyErr_SetString(PyExc_ValueError, "embedded null character");
        return NULL;
    }
    PyObject *self = newdbmobject(name, iflags, mode);
    Py_DECREF(filenamebytes);
    return self;
}

コード例 #6

ファイル: _dbmmodule.c プロジェクト: Martiusweb/cpython

static PyObject *
dbmopen_impl(PyModuleDef *module, const char *filename, const char *flags,
             int mode)
/*[clinic end generated code: output=e8d4b36f25c733fd input=226334bade5764e6]*/
{
    int iflags;

    if ( strcmp(flags, "r") == 0 )
        iflags = O_RDONLY;
    else if ( strcmp(flags, "w") == 0 )
        iflags = O_RDWR;
    else if ( strcmp(flags, "rw") == 0 ) /* B/W compat */
        iflags = O_RDWR|O_CREAT;
    else if ( strcmp(flags, "c") == 0 )
        iflags = O_RDWR|O_CREAT;
    else if ( strcmp(flags, "n") == 0 )
        iflags = O_RDWR|O_CREAT|O_TRUNC;
    else {
        PyErr_SetString(DbmError,
                        "arg 2 to open should be 'r', 'w', 'c', or 'n'");
        return NULL;
    }
    return newdbmobject(filename, iflags, mode);
}