util.h
83 lines
| 2.4 KiB
| text/x-c
|
CLexer
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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 | ||||
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r36636 | /* 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 | ||||
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r34636 | /* clang-format off */ | ||
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r32384 | typedef struct { | ||
PyObject_HEAD | ||||
r48760 | char flags; | |||
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r32384 | int mode; | ||
int size; | ||||
int mtime; | ||||
r48328 | } dirstateItemObject; | |||
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r34636 | /* clang-format on */ | ||
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r32384 | |||
r48760 | static const char dirstate_flag_wc_tracked = 1; | |||
static const char dirstate_flag_p1_tracked = 1 << 1; | ||||
static const char dirstate_flag_p2_tracked = 1 << 2; | ||||
static const char dirstate_flag_possibly_dirty = 1 << 3; | ||||
static const char dirstate_flag_merged = 1 << 4; | ||||
static const char dirstate_flag_clean_p1 = 1 << 5; | ||||
static const char dirstate_flag_clean_p2 = 1 << 6; | ||||
static const char dirstate_flag_rust_special = 1 << 7; | ||||
r48328 | extern PyTypeObject dirstateItemType; | |||
#define dirstate_tuple_check(op) (Py_TYPE(op) == &dirstateItemType) | ||||
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r32384 | |||
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r35793 | #ifndef MIN | ||
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r34636 | #define MIN(a, b) (((a) < (b)) ? (a) : (b)) | ||
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r35793 | #endif | ||
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r32384 | /* 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 | ||||
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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); | ||||
} | ||||
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r40634 | /* 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; | ||||
} | ||||
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r32384 | #endif /* _HG_UTIL_H_ */ | ||