grep: restore pre-9ef10437bb88 behavior, enable wdir search by tweakdefaults
Unfortunately, python-hglib relies on the original grep behavior and is
documented as such. Even though we agreed to introduce the BC, we shouldn't
break existing libraries.
So this patch flips the default again and move the new default to
ui.tweakdefaults. We could instead use HGPLAIN to turn this flag off, but
that would be rather confusing as the old/new behaviors are quite different.
Differential Revision: https://phab.mercurial-scm.org/D3919
/**
* Copyright (c) 2017-present, Gregory Szorc
* All rights reserved.
*
* This software may be modified and distributed under the terms
* of the BSD license. See the LICENSE file for details.
*/
#include "python-zstandard.h"
extern PyObject* ZstdError;
PyDoc_STRVAR(FrameParameters__doc__,
"FrameParameters: information about a zstd frame");
FrameParametersObject* get_frame_parameters(PyObject* self, PyObject* args, PyObject* kwargs) {
static char* kwlist[] = {
"data",
NULL
};
Py_buffer source;
ZSTD_frameHeader header;
FrameParametersObject* result = NULL;
size_t zresult;
#if PY_MAJOR_VERSION >= 3
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "y*:get_frame_parameters",
#else
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s*:get_frame_parameters",
#endif
kwlist, &source)) {
return NULL;
}
if (!PyBuffer_IsContiguous(&source, 'C') || source.ndim > 1) {
PyErr_SetString(PyExc_ValueError,
"data buffer should be contiguous and have at most one dimension");
goto finally;
}
zresult = ZSTD_getFrameHeader(&header, source.buf, source.len);
if (ZSTD_isError(zresult)) {
PyErr_Format(ZstdError, "cannot get frame parameters: %s", ZSTD_getErrorName(zresult));
goto finally;
}
if (zresult) {
PyErr_Format(ZstdError, "not enough data for frame parameters; need %zu bytes", zresult);
goto finally;
}
result = PyObject_New(FrameParametersObject, &FrameParametersType);
if (!result) {
goto finally;
}
result->frameContentSize = header.frameContentSize;
result->windowSize = header.windowSize;
result->dictID = header.dictID;
result->checksumFlag = header.checksumFlag ? 1 : 0;
finally:
PyBuffer_Release(&source);
return result;
}
static void FrameParameters_dealloc(PyObject* self) {
PyObject_Del(self);
}
static PyMemberDef FrameParameters_members[] = {
{ "content_size", T_ULONGLONG,
offsetof(FrameParametersObject, frameContentSize), READONLY,
"frame content size" },
{ "window_size", T_ULONGLONG,
offsetof(FrameParametersObject, windowSize), READONLY,
"window size" },
{ "dict_id", T_UINT,
offsetof(FrameParametersObject, dictID), READONLY,
"dictionary ID" },
{ "has_checksum", T_BOOL,
offsetof(FrameParametersObject, checksumFlag), READONLY,
"checksum flag" },
{ NULL }
};
PyTypeObject FrameParametersType = {
PyVarObject_HEAD_INIT(NULL, 0)
"FrameParameters", /* tp_name */
sizeof(FrameParametersObject), /* tp_basicsize */
0, /* tp_itemsize */
(destructor)FrameParameters_dealloc, /* tp_dealloc */
0, /* tp_print */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_compare */
0, /* tp_repr */
0, /* tp_as_number */
0, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
0, /* tp_str */
0, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT, /* tp_flags */
FrameParameters__doc__, /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iternext */
0, /* tp_methods */
FrameParameters_members, /* tp_members */
0, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
0, /* tp_init */
0, /* tp_alloc */
0, /* tp_new */
};
void frameparams_module_init(PyObject* mod) {
Py_TYPE(&FrameParametersType) = &PyType_Type;
if (PyType_Ready(&FrameParametersType) < 0) {
return;
}
Py_INCREF(&FrameParametersType);
PyModule_AddObject(mod, "FrameParameters", (PyObject*)&FrameParametersType);
}