util.h
50 lines
| 1.4 KiB
| text/x-c
|
CLexer
Yuya Nishihara
|
r32384 | /* | ||
| 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 | ||||
| typedef struct { | ||||
| PyObject_HEAD | ||||
| char state; | ||||
| int mode; | ||||
| int size; | ||||
| int mtime; | ||||
| } dirstateTupleObject; | ||||
| extern PyTypeObject dirstateTupleType; | ||||
| #define dirstate_tuple_check(op) (Py_TYPE(op) == &dirstateTupleType) | ||||
| #define MIN(a, b) (((a)<(b))?(a):(b)) | ||||
| /* 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 | ||||
|
Yuya Nishihara
|
r33751 | 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); | ||||
| } | ||||
|
Yuya Nishihara
|
r32384 | #endif /* _HG_UTIL_H_ */ | ||