upstream/mercurial-mirror Files · mercurial/cext/util.h

bundle2: seek part back during iteration...

bundle2: seek part back during iteration Previously, iterparts would yield the part to users, then consume the part. This changed the part after the user was given it and left it at the end, both of which seem unexpected. Let's seek back to the beginning after we've consumed it. I tried not seeking to the end at all, but that seems important for the overall bundle2 consumption. This is used in a future patch to let us move the bundlerepo bundle2-changegroup-part to be handled entirely within the for loop, instead of having to do a seek back to 0 after the entire loop finishes. Differential Revision: https://phab.mercurial-scm.org/D289

Yuya Nishihara - - Load All Authors

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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

      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

      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);

      }

      #endif /* _HG_UTIL_H_ */

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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

				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

				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);
				}

				#endif /* _HG_UTIL_H_ */