cpython/Modules/_testcapi/bytes.c

54 lines
1.1 KiB
C

#include "parts.h"
#include "util.h"
/* Test _PyBytes_Resize() */
static PyObject *
bytes_resize(PyObject *Py_UNUSED(module), PyObject *args)
{
PyObject *obj;
Py_ssize_t newsize;
int new;
if (!PyArg_ParseTuple(args, "Onp", &obj, &newsize, &new))
return NULL;
NULLABLE(obj);
if (new) {
assert(obj != NULL);
assert(PyBytes_CheckExact(obj));
PyObject *newobj = PyBytes_FromStringAndSize(NULL, PyBytes_Size(obj));
if (newobj == NULL) {
return NULL;
}
memcpy(PyBytes_AsString(newobj), PyBytes_AsString(obj), PyBytes_Size(obj));
obj = newobj;
}
else {
Py_XINCREF(obj);
}
if (_PyBytes_Resize(&obj, newsize) < 0) {
assert(obj == NULL);
}
else {
assert(obj != NULL);
}
return obj;
}
static PyMethodDef test_methods[] = {
{"bytes_resize", bytes_resize, METH_VARARGS},
{NULL},
};
int
_PyTestCapi_Init_Bytes(PyObject *m)
{
if (PyModule_AddFunctions(m, test_methods) < 0) {
return -1;
}
return 0;
}