/*

 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_

#if PY_MAJOR_VERSION >= 3

#define IS_PY3K

#define PyInt_FromLong PyLong_FromLong

#define PyInt_AsLong PyLong_AsLong

/*

 Mapping of some of the python < 2.x PyString* functions to py3k's PyUnicode.

 The commented names below represent those that are present in the PyBytes

 definitions for python < 2.6 (below in this file) that don't have a direct

 implementation.

*/

#define PyStringObject PyUnicodeObject

#define PyString_Type PyUnicode_Type

#define PyString_Check PyUnicode_Check

#define PyString_CheckExact PyUnicode_CheckExact

#define PyString_CHECK_INTERNED PyUnicode_CHECK_INTERNED

#define PyString_AS_STRING PyUnicode_AsLatin1String

#define PyString_GET_SIZE PyUnicode_GET_SIZE

#define PyString_FromStringAndSize PyUnicode_FromStringAndSize

#define PyString_FromString PyUnicode_FromString

#define PyString_FromFormatV PyUnicode_FromFormatV

#define PyString_FromFormat PyUnicode_FromFormat

/* #define PyString_Size PyUnicode_GET_SIZE */

/* #define PyString_AsString */

/* #define PyString_Repr */

#define PyString_Concat PyUnicode_Concat

#define PyString_ConcatAndDel PyUnicode_AppendAndDel

#define _PyString_Resize PyUnicode_Resize

/* #define _PyString_Eq */

#define PyString_Format PyUnicode_Format

/* #define _PyString_FormatLong */

/* #define PyString_DecodeEscape */

#define _PyString_Join PyUnicode_Join

#define PyString_Decode PyUnicode_Decode

#define PyString_Encode PyUnicode_Encode

#define PyString_AsEncodedObject PyUnicode_AsEncodedObject

#define PyString_AsEncodedString PyUnicode_AsEncodedString

#define PyString_AsDecodedObject PyUnicode_AsDecodedObject

#define PyString_AsDecodedString PyUnicode_AsDecodedUnicode

/* #define PyString_AsStringAndSize */

#define _PyString_InsertThousandsGrouping _PyUnicode_InsertThousandsGrouping

#endif /* PY_MAJOR_VERSION */

/* Backports from 2.6 */

#if PY_VERSION_HEX < 0x02060000

#define Py_TYPE(ob) (ob)->ob_type

#define Py_SIZE(ob) (ob)->ob_size

#define PyVarObject_HEAD_INIT(type, size) PyObject_HEAD_INIT(type) size,

/* Shamelessly stolen from bytesobject.h */

#define PyBytesObject PyStringObject

#define PyBytes_Type PyString_Type

#define PyBytes_Check PyString_Check

#define PyBytes_CheckExact PyString_CheckExact

#define PyBytes_CHECK_INTERNED PyString_CHECK_INTERNED

#define PyBytes_AS_STRING PyString_AS_STRING

#define PyBytes_GET_SIZE PyString_GET_SIZE

#define Py_TPFLAGS_BYTES_SUBCLASS Py_TPFLAGS_STRING_SUBCLASS

#define PyBytes_FromStringAndSize PyString_FromStringAndSize

#define PyBytes_FromString PyString_FromString

#define PyBytes_FromFormatV PyString_FromFormatV

#define PyBytes_FromFormat PyString_FromFormat

#define PyBytes_Size PyString_Size

#define PyBytes_AsString PyString_AsString

#define PyBytes_Repr PyString_Repr

#define PyBytes_Concat PyString_Concat

#define PyBytes_ConcatAndDel PyString_ConcatAndDel

#define _PyBytes_Resize _PyString_Resize

#define _PyBytes_Eq _PyString_Eq

#define PyBytes_Format PyString_Format

#define _PyBytes_FormatLong _PyString_FormatLong

#define PyBytes_DecodeEscape PyString_DecodeEscape

#define _PyBytes_Join _PyString_Join

#define PyBytes_Decode PyString_Decode

#define PyBytes_Encode PyString_Encode

#define PyBytes_AsEncodedObject PyString_AsEncodedObject

#define PyBytes_AsEncodedString PyString_AsEncodedString

#define PyBytes_AsDecodedObject PyString_AsDecodedObject

#define PyBytes_AsDecodedString PyString_AsDecodedString

#define PyBytes_AsStringAndSize PyString_AsStringAndSize

#define _PyBytes_InsertThousandsGrouping _PyString_InsertThousandsGrouping

#endif /* PY_VERSION_HEX */

#if (PY_VERSION_HEX < 0x02050000)

/* Definitions to get compatibility with python 2.4 and earlier which

   does not have Py_ssize_t. See also PEP 353.

   Note: msvc (8 or earlier) does not have ssize_t, so we use Py_ssize_t.

*/

typedef int Py_ssize_t;

typedef Py_ssize_t (*lenfunc)(PyObject *);

typedef PyObject *(*ssizeargfunc)(PyObject *, Py_ssize_t);

#define PyInt_FromSsize_t PyInt_FromLong

#if !defined(PY_SSIZE_T_MIN)

#define PY_SSIZE_T_MAX INT_MAX

#define PY_SSIZE_T_MIN INT_MIN

#endif

#endif

#ifdef _WIN32

#ifdef _MSC_VER

/* msvc 6.0 has problems */

#define inline __inline

typedef signed char int8_t;

typedef short int16_t;

typedef long int32_t;

typedef __int64 int64_t;

typedef unsigned char uint8_t;

typedef unsigned short uint16_t;

typedef unsigned long uint32_t;

typedef unsigned __int64 uint64_t;

#else

#include <stdint.h>

#endif

#else

/* not windows */

#include <sys/types.h>

#if defined __BEOS__ && !defined __HAIKU__

#include <ByteOrder.h>

#else

#include <arpa/inet.h>

#endif

#include <inttypes.h>

#endif

#if defined __hpux || defined __SUNPRO_C || defined _AIX

#define inline

#endif

#ifdef __linux

#define inline __inline

#endif

static inline uint32_t getbe32(const char *c)

{

	const unsigned char *d = (const unsigned char *)c;

	return ((d[0] << 24) |

		(d[1] << 16) |

		(d[2] << 8) |

		(d[3]));

}

static inline void putbe32(uint32_t x, char *c)

{

	c[0] = (x >> 24) & 0xff;

	c[1] = (x >> 16) & 0xff;

	c[2] = (x >> 8) & 0xff;

	c[3] = (x) & 0xff;

}

#endif /* _HG_UTIL_H_ */