Mercurial > hg
view mercurial/cext/util.h @ 47539:84391ddf4c78
dirstate-item: rename the class to DirstateItem
The object is no longer a tuple, so it seems clearer to rename it (and its
associated method)
Differential Revision: https://phab.mercurial-scm.org/D10982
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
---|---|
date | Sun, 04 Jul 2021 22:27:29 +0200 |
parents | fa33196088c4 |
children | 83f0e93ec34b |
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/* util.h - utility functions for interfacing with the various python APIs. This software may be used and distributed according to the terms of the GNU General Public License, incorporated herein by reference. */ #ifndef _HG_UTIL_H_ #define _HG_UTIL_H_ #include "compat.h" #if PY_MAJOR_VERSION >= 3 #define IS_PY3K #endif /* helper to switch things like string literal depending on Python version */ #ifdef IS_PY3K #define PY23(py2, py3) py3 #else #define PY23(py2, py3) py2 #endif /* clang-format off */ typedef struct { PyObject_HEAD char state; int mode; int size; int mtime; } dirstateItemObject; /* clang-format on */ extern PyTypeObject dirstateItemType; #define dirstate_tuple_check(op) (Py_TYPE(op) == &dirstateItemType) #ifndef MIN #define MIN(a, b) (((a) < (b)) ? (a) : (b)) #endif /* VC9 doesn't include bool and lacks stdbool.h based on my searching */ #if defined(_MSC_VER) || __STDC_VERSION__ < 199901L #define true 1 #define false 0 typedef unsigned char bool; #else #include <stdbool.h> #endif static inline PyObject *_dict_new_presized(Py_ssize_t expected_size) { /* _PyDict_NewPresized expects a minused parameter, but it actually creates a dictionary that's the nearest power of two bigger than the parameter. For example, with the initial minused = 1000, the dictionary created has size 1024. Of course in a lot of cases that can be greater than the maximum load factor Python's dict object expects (= 2/3), so as soon as we cross the threshold we'll resize anyway. So create a dictionary that's at least 3/2 the size. */ return _PyDict_NewPresized(((1 + expected_size) / 2) * 3); } /* Convert a PyInt or PyLong to a long. Returns false if there is an error, in which case an exception will already have been set. */ static inline bool pylong_to_long(PyObject *pylong, long *out) { *out = PyLong_AsLong(pylong); /* Fast path to avoid hitting PyErr_Occurred if the value was obviously * not an error. */ if (*out != -1) { return true; } return PyErr_Occurred() == NULL; } #endif /* _HG_UTIL_H_ */