mirror of
https://github.com/nillerusr/source-engine.git
synced 2024-12-23 06:36:54 +00:00
772 lines
24 KiB
C
772 lines
24 KiB
C
|
#ifndef Py_PYPORT_H
|
||
|
#define Py_PYPORT_H
|
||
|
|
||
|
#include "pyconfig.h" /* include for defines */
|
||
|
|
||
|
#ifdef HAVE_STDINT_H
|
||
|
#include <stdint.h>
|
||
|
#endif
|
||
|
|
||
|
/**************************************************************************
|
||
|
Symbols and macros to supply platform-independent interfaces to basic
|
||
|
C language & library operations whose spellings vary across platforms.
|
||
|
|
||
|
Please try to make documentation here as clear as possible: by definition,
|
||
|
the stuff here is trying to illuminate C's darkest corners.
|
||
|
|
||
|
Config #defines referenced here:
|
||
|
|
||
|
SIGNED_RIGHT_SHIFT_ZERO_FILLS
|
||
|
Meaning: To be defined iff i>>j does not extend the sign bit when i is a
|
||
|
signed integral type and i < 0.
|
||
|
Used in: Py_ARITHMETIC_RIGHT_SHIFT
|
||
|
|
||
|
Py_DEBUG
|
||
|
Meaning: Extra checks compiled in for debug mode.
|
||
|
Used in: Py_SAFE_DOWNCAST
|
||
|
|
||
|
HAVE_UINTPTR_T
|
||
|
Meaning: The C9X type uintptr_t is supported by the compiler
|
||
|
Used in: Py_uintptr_t
|
||
|
|
||
|
HAVE_LONG_LONG
|
||
|
Meaning: The compiler supports the C type "long long"
|
||
|
Used in: PY_LONG_LONG
|
||
|
|
||
|
**************************************************************************/
|
||
|
|
||
|
|
||
|
/* For backward compatibility only. Obsolete, do not use. */
|
||
|
#ifdef HAVE_PROTOTYPES
|
||
|
#define Py_PROTO(x) x
|
||
|
#else
|
||
|
#define Py_PROTO(x) ()
|
||
|
#endif
|
||
|
#ifndef Py_FPROTO
|
||
|
#define Py_FPROTO(x) Py_PROTO(x)
|
||
|
#endif
|
||
|
|
||
|
/* typedefs for some C9X-defined synonyms for integral types.
|
||
|
*
|
||
|
* The names in Python are exactly the same as the C9X names, except with a
|
||
|
* Py_ prefix. Until C9X is universally implemented, this is the only way
|
||
|
* to ensure that Python gets reliable names that don't conflict with names
|
||
|
* in non-Python code that are playing their own tricks to define the C9X
|
||
|
* names.
|
||
|
*
|
||
|
* NOTE: don't go nuts here! Python has no use for *most* of the C9X
|
||
|
* integral synonyms. Only define the ones we actually need.
|
||
|
*/
|
||
|
|
||
|
#ifdef HAVE_LONG_LONG
|
||
|
#ifndef PY_LONG_LONG
|
||
|
#define PY_LONG_LONG long long
|
||
|
#endif
|
||
|
#endif /* HAVE_LONG_LONG */
|
||
|
|
||
|
/* uintptr_t is the C9X name for an unsigned integral type such that a
|
||
|
* legitimate void* can be cast to uintptr_t and then back to void* again
|
||
|
* without loss of information. Similarly for intptr_t, wrt a signed
|
||
|
* integral type.
|
||
|
*/
|
||
|
#ifdef HAVE_UINTPTR_T
|
||
|
typedef uintptr_t Py_uintptr_t;
|
||
|
typedef intptr_t Py_intptr_t;
|
||
|
|
||
|
#elif SIZEOF_VOID_P <= SIZEOF_INT
|
||
|
typedef unsigned int Py_uintptr_t;
|
||
|
typedef int Py_intptr_t;
|
||
|
|
||
|
#elif SIZEOF_VOID_P <= SIZEOF_LONG
|
||
|
typedef unsigned long Py_uintptr_t;
|
||
|
typedef long Py_intptr_t;
|
||
|
|
||
|
#elif defined(HAVE_LONG_LONG) && (SIZEOF_VOID_P <= SIZEOF_LONG_LONG)
|
||
|
typedef unsigned PY_LONG_LONG Py_uintptr_t;
|
||
|
typedef PY_LONG_LONG Py_intptr_t;
|
||
|
|
||
|
#else
|
||
|
# error "Python needs a typedef for Py_uintptr_t in pyport.h."
|
||
|
#endif /* HAVE_UINTPTR_T */
|
||
|
|
||
|
/* Py_ssize_t is a signed integral type such that sizeof(Py_ssize_t) ==
|
||
|
* sizeof(size_t). C99 doesn't define such a thing directly (size_t is an
|
||
|
* unsigned integral type). See PEP 353 for details.
|
||
|
*/
|
||
|
#ifdef HAVE_SSIZE_T
|
||
|
typedef ssize_t Py_ssize_t;
|
||
|
#elif SIZEOF_VOID_P == SIZEOF_SIZE_T
|
||
|
typedef Py_intptr_t Py_ssize_t;
|
||
|
#else
|
||
|
# error "Python needs a typedef for Py_ssize_t in pyport.h."
|
||
|
#endif
|
||
|
|
||
|
/* Largest positive value of type Py_ssize_t. */
|
||
|
#define PY_SSIZE_T_MAX ((Py_ssize_t)(((size_t)-1)>>1))
|
||
|
/* Smallest negative value of type Py_ssize_t. */
|
||
|
#define PY_SSIZE_T_MIN (-PY_SSIZE_T_MAX-1)
|
||
|
|
||
|
/* PY_FORMAT_SIZE_T is a platform-specific modifier for use in a printf
|
||
|
* format to convert an argument with the width of a size_t or Py_ssize_t.
|
||
|
* C99 introduced "z" for this purpose, but not all platforms support that;
|
||
|
* e.g., MS compilers use "I" instead.
|
||
|
*
|
||
|
* These "high level" Python format functions interpret "z" correctly on
|
||
|
* all platforms (Python interprets the format string itself, and does whatever
|
||
|
* the platform C requires to convert a size_t/Py_ssize_t argument):
|
||
|
*
|
||
|
* PyString_FromFormat
|
||
|
* PyErr_Format
|
||
|
* PyString_FromFormatV
|
||
|
*
|
||
|
* Lower-level uses require that you interpolate the correct format modifier
|
||
|
* yourself (e.g., calling printf, fprintf, sprintf, PyOS_snprintf); for
|
||
|
* example,
|
||
|
*
|
||
|
* Py_ssize_t index;
|
||
|
* fprintf(stderr, "index %" PY_FORMAT_SIZE_T "d sucks\n", index);
|
||
|
*
|
||
|
* That will expand to %ld, or %Id, or to something else correct for a
|
||
|
* Py_ssize_t on the platform.
|
||
|
*/
|
||
|
#ifndef PY_FORMAT_SIZE_T
|
||
|
# if SIZEOF_SIZE_T == SIZEOF_INT && !defined(__APPLE__)
|
||
|
# define PY_FORMAT_SIZE_T ""
|
||
|
# elif SIZEOF_SIZE_T == SIZEOF_LONG
|
||
|
# define PY_FORMAT_SIZE_T "l"
|
||
|
# elif defined(MS_WINDOWS)
|
||
|
# define PY_FORMAT_SIZE_T "I"
|
||
|
# else
|
||
|
# error "This platform's pyconfig.h needs to define PY_FORMAT_SIZE_T"
|
||
|
# endif
|
||
|
#endif
|
||
|
|
||
|
/* Py_LOCAL can be used instead of static to get the fastest possible calling
|
||
|
* convention for functions that are local to a given module.
|
||
|
*
|
||
|
* Py_LOCAL_INLINE does the same thing, and also explicitly requests inlining,
|
||
|
* for platforms that support that.
|
||
|
*
|
||
|
* If PY_LOCAL_AGGRESSIVE is defined before python.h is included, more
|
||
|
* "aggressive" inlining/optimizaion is enabled for the entire module. This
|
||
|
* may lead to code bloat, and may slow things down for those reasons. It may
|
||
|
* also lead to errors, if the code relies on pointer aliasing. Use with
|
||
|
* care.
|
||
|
*
|
||
|
* NOTE: You can only use this for functions that are entirely local to a
|
||
|
* module; functions that are exported via method tables, callbacks, etc,
|
||
|
* should keep using static.
|
||
|
*/
|
||
|
|
||
|
#undef USE_INLINE /* XXX - set via configure? */
|
||
|
|
||
|
#if defined(_MSC_VER)
|
||
|
#if defined(PY_LOCAL_AGGRESSIVE)
|
||
|
/* enable more aggressive optimization for visual studio */
|
||
|
#pragma optimize("agtw", on)
|
||
|
#endif
|
||
|
/* ignore warnings if the compiler decides not to inline a function */
|
||
|
#pragma warning(disable: 4710)
|
||
|
/* fastest possible local call under MSVC */
|
||
|
#define Py_LOCAL(type) static type __fastcall
|
||
|
#define Py_LOCAL_INLINE(type) static __inline type __fastcall
|
||
|
#elif defined(USE_INLINE)
|
||
|
#define Py_LOCAL(type) static type
|
||
|
#define Py_LOCAL_INLINE(type) static inline type
|
||
|
#else
|
||
|
#define Py_LOCAL(type) static type
|
||
|
#define Py_LOCAL_INLINE(type) static type
|
||
|
#endif
|
||
|
|
||
|
/* Py_MEMCPY can be used instead of memcpy in cases where the copied blocks
|
||
|
* are often very short. While most platforms have highly optimized code for
|
||
|
* large transfers, the setup costs for memcpy are often quite high. MEMCPY
|
||
|
* solves this by doing short copies "in line".
|
||
|
*/
|
||
|
|
||
|
#if defined(_MSC_VER)
|
||
|
#define Py_MEMCPY(target, source, length) do { \
|
||
|
size_t i_, n_ = (length); \
|
||
|
char *t_ = (void*) (target); \
|
||
|
const char *s_ = (void*) (source); \
|
||
|
if (n_ >= 16) \
|
||
|
memcpy(t_, s_, n_); \
|
||
|
else \
|
||
|
for (i_ = 0; i_ < n_; i_++) \
|
||
|
t_[i_] = s_[i_]; \
|
||
|
} while (0)
|
||
|
#else
|
||
|
#define Py_MEMCPY memcpy
|
||
|
#endif
|
||
|
|
||
|
#include <stdlib.h>
|
||
|
|
||
|
#include <math.h> /* Moved here from the math section, before extern "C" */
|
||
|
|
||
|
/********************************************
|
||
|
* WRAPPER FOR <time.h> and/or <sys/time.h> *
|
||
|
********************************************/
|
||
|
|
||
|
#ifdef TIME_WITH_SYS_TIME
|
||
|
#include <sys/time.h>
|
||
|
#include <time.h>
|
||
|
#else /* !TIME_WITH_SYS_TIME */
|
||
|
#ifdef HAVE_SYS_TIME_H
|
||
|
#include <sys/time.h>
|
||
|
#else /* !HAVE_SYS_TIME_H */
|
||
|
#include <time.h>
|
||
|
#endif /* !HAVE_SYS_TIME_H */
|
||
|
#endif /* !TIME_WITH_SYS_TIME */
|
||
|
|
||
|
|
||
|
/******************************
|
||
|
* WRAPPER FOR <sys/select.h> *
|
||
|
******************************/
|
||
|
|
||
|
/* NB caller must include <sys/types.h> */
|
||
|
|
||
|
#ifdef HAVE_SYS_SELECT_H
|
||
|
|
||
|
#include <sys/select.h>
|
||
|
|
||
|
#endif /* !HAVE_SYS_SELECT_H */
|
||
|
|
||
|
/*******************************
|
||
|
* stat() and fstat() fiddling *
|
||
|
*******************************/
|
||
|
|
||
|
/* We expect that stat and fstat exist on most systems.
|
||
|
* It's confirmed on Unix, Mac and Windows.
|
||
|
* If you don't have them, add
|
||
|
* #define DONT_HAVE_STAT
|
||
|
* and/or
|
||
|
* #define DONT_HAVE_FSTAT
|
||
|
* to your pyconfig.h. Python code beyond this should check HAVE_STAT and
|
||
|
* HAVE_FSTAT instead.
|
||
|
* Also
|
||
|
* #define HAVE_SYS_STAT_H
|
||
|
* if <sys/stat.h> exists on your platform, and
|
||
|
* #define HAVE_STAT_H
|
||
|
* if <stat.h> does.
|
||
|
*/
|
||
|
#ifndef DONT_HAVE_STAT
|
||
|
#define HAVE_STAT
|
||
|
#endif
|
||
|
|
||
|
#ifndef DONT_HAVE_FSTAT
|
||
|
#define HAVE_FSTAT
|
||
|
#endif
|
||
|
|
||
|
#ifdef RISCOS
|
||
|
#include <sys/types.h>
|
||
|
#include "unixstuff.h"
|
||
|
#endif
|
||
|
|
||
|
#ifdef HAVE_SYS_STAT_H
|
||
|
#if defined(PYOS_OS2) && defined(PYCC_GCC)
|
||
|
#include <sys/types.h>
|
||
|
#endif
|
||
|
#include <sys/stat.h>
|
||
|
#elif defined(HAVE_STAT_H)
|
||
|
#include <stat.h>
|
||
|
#endif
|
||
|
|
||
|
#if defined(PYCC_VACPP)
|
||
|
/* VisualAge C/C++ Failed to Define MountType Field in sys/stat.h */
|
||
|
#define S_IFMT (S_IFDIR|S_IFCHR|S_IFREG)
|
||
|
#endif
|
||
|
|
||
|
#ifndef S_ISREG
|
||
|
#define S_ISREG(x) (((x) & S_IFMT) == S_IFREG)
|
||
|
#endif
|
||
|
|
||
|
#ifndef S_ISDIR
|
||
|
#define S_ISDIR(x) (((x) & S_IFMT) == S_IFDIR)
|
||
|
#endif
|
||
|
|
||
|
|
||
|
#ifdef __cplusplus
|
||
|
/* Move this down here since some C++ #include's don't like to be included
|
||
|
inside an extern "C" */
|
||
|
extern "C" {
|
||
|
#endif
|
||
|
|
||
|
|
||
|
/* Py_ARITHMETIC_RIGHT_SHIFT
|
||
|
* C doesn't define whether a right-shift of a signed integer sign-extends
|
||
|
* or zero-fills. Here a macro to force sign extension:
|
||
|
* Py_ARITHMETIC_RIGHT_SHIFT(TYPE, I, J)
|
||
|
* Return I >> J, forcing sign extension.
|
||
|
* Requirements:
|
||
|
* I is of basic signed type TYPE (char, short, int, long, or long long).
|
||
|
* TYPE is one of char, short, int, long, or long long, although long long
|
||
|
* must not be used except on platforms that support it.
|
||
|
* J is an integer >= 0 and strictly less than the number of bits in TYPE
|
||
|
* (because C doesn't define what happens for J outside that range either).
|
||
|
* Caution:
|
||
|
* I may be evaluated more than once.
|
||
|
*/
|
||
|
#ifdef SIGNED_RIGHT_SHIFT_ZERO_FILLS
|
||
|
#define Py_ARITHMETIC_RIGHT_SHIFT(TYPE, I, J) \
|
||
|
((I) < 0 ? ~((~(unsigned TYPE)(I)) >> (J)) : (I) >> (J))
|
||
|
#else
|
||
|
#define Py_ARITHMETIC_RIGHT_SHIFT(TYPE, I, J) ((I) >> (J))
|
||
|
#endif
|
||
|
|
||
|
/* Py_FORCE_EXPANSION(X)
|
||
|
* "Simply" returns its argument. However, macro expansions within the
|
||
|
* argument are evaluated. This unfortunate trickery is needed to get
|
||
|
* token-pasting to work as desired in some cases.
|
||
|
*/
|
||
|
#define Py_FORCE_EXPANSION(X) X
|
||
|
|
||
|
/* Py_SAFE_DOWNCAST(VALUE, WIDE, NARROW)
|
||
|
* Cast VALUE to type NARROW from type WIDE. In Py_DEBUG mode, this
|
||
|
* assert-fails if any information is lost.
|
||
|
* Caution:
|
||
|
* VALUE may be evaluated more than once.
|
||
|
*/
|
||
|
#ifdef Py_DEBUG
|
||
|
#define Py_SAFE_DOWNCAST(VALUE, WIDE, NARROW) \
|
||
|
(assert((WIDE)(NARROW)(VALUE) == (VALUE)), (NARROW)(VALUE))
|
||
|
#else
|
||
|
#define Py_SAFE_DOWNCAST(VALUE, WIDE, NARROW) (NARROW)(VALUE)
|
||
|
#endif
|
||
|
|
||
|
/* Py_IS_NAN(X)
|
||
|
* Return 1 if float or double arg is a NaN, else 0.
|
||
|
* Caution:
|
||
|
* X is evaluated more than once.
|
||
|
* This may not work on all platforms. Each platform has *some*
|
||
|
* way to spell this, though -- override in pyconfig.h if you have
|
||
|
* a platform where it doesn't work.
|
||
|
*/
|
||
|
#ifndef Py_IS_NAN
|
||
|
#define Py_IS_NAN(X) ((X) != (X))
|
||
|
#endif
|
||
|
|
||
|
/* Py_IS_INFINITY(X)
|
||
|
* Return 1 if float or double arg is an infinity, else 0.
|
||
|
* Caution:
|
||
|
* X is evaluated more than once.
|
||
|
* This implementation may set the underflow flag if |X| is very small;
|
||
|
* it really can't be implemented correctly (& easily) before C99.
|
||
|
* Override in pyconfig.h if you have a better spelling on your platform.
|
||
|
*/
|
||
|
#ifndef Py_IS_INFINITY
|
||
|
#define Py_IS_INFINITY(X) ((X) && (X)*0.5 == (X))
|
||
|
#endif
|
||
|
|
||
|
/* Py_IS_FINITE(X)
|
||
|
* Return 1 if float or double arg is neither infinite nor NAN, else 0.
|
||
|
* Some compilers (e.g. VisualStudio) have intrisics for this, so a special
|
||
|
* macro for this particular test is useful
|
||
|
*/
|
||
|
#ifndef Py_IS_FINITE
|
||
|
#define Py_IS_FINITE(X) (!Py_IS_INFINITY(X) && !Py_IS_NAN(X))
|
||
|
#endif
|
||
|
|
||
|
/* HUGE_VAL is supposed to expand to a positive double infinity. Python
|
||
|
* uses Py_HUGE_VAL instead because some platforms are broken in this
|
||
|
* respect. We used to embed code in pyport.h to try to worm around that,
|
||
|
* but different platforms are broken in conflicting ways. If you're on
|
||
|
* a platform where HUGE_VAL is defined incorrectly, fiddle your Python
|
||
|
* config to #define Py_HUGE_VAL to something that works on your platform.
|
||
|
*/
|
||
|
#ifndef Py_HUGE_VAL
|
||
|
#define Py_HUGE_VAL HUGE_VAL
|
||
|
#endif
|
||
|
|
||
|
/* Py_OVERFLOWED(X)
|
||
|
* Return 1 iff a libm function overflowed. Set errno to 0 before calling
|
||
|
* a libm function, and invoke this macro after, passing the function
|
||
|
* result.
|
||
|
* Caution:
|
||
|
* This isn't reliable. C99 no longer requires libm to set errno under
|
||
|
* any exceptional condition, but does require +- HUGE_VAL return
|
||
|
* values on overflow. A 754 box *probably* maps HUGE_VAL to a
|
||
|
* double infinity, and we're cool if that's so, unless the input
|
||
|
* was an infinity and an infinity is the expected result. A C89
|
||
|
* system sets errno to ERANGE, so we check for that too. We're
|
||
|
* out of luck if a C99 754 box doesn't map HUGE_VAL to +Inf, or
|
||
|
* if the returned result is a NaN, or if a C89 box returns HUGE_VAL
|
||
|
* in non-overflow cases.
|
||
|
* X is evaluated more than once.
|
||
|
* Some platforms have better way to spell this, so expect some #ifdef'ery.
|
||
|
*
|
||
|
* OpenBSD uses 'isinf()' because a compiler bug on that platform causes
|
||
|
* the longer macro version to be mis-compiled. This isn't optimal, and
|
||
|
* should be removed once a newer compiler is available on that platform.
|
||
|
* The system that had the failure was running OpenBSD 3.2 on Intel, with
|
||
|
* gcc 2.95.3.
|
||
|
*
|
||
|
* According to Tim's checkin, the FreeBSD systems use isinf() to work
|
||
|
* around a FPE bug on that platform.
|
||
|
*/
|
||
|
#if defined(__FreeBSD__) || defined(__OpenBSD__)
|
||
|
#define Py_OVERFLOWED(X) isinf(X)
|
||
|
#else
|
||
|
#define Py_OVERFLOWED(X) ((X) != 0.0 && (errno == ERANGE || \
|
||
|
(X) == Py_HUGE_VAL || \
|
||
|
(X) == -Py_HUGE_VAL))
|
||
|
#endif
|
||
|
|
||
|
/* Py_SET_ERRNO_ON_MATH_ERROR(x)
|
||
|
* If a libm function did not set errno, but it looks like the result
|
||
|
* overflowed or not-a-number, set errno to ERANGE or EDOM. Set errno
|
||
|
* to 0 before calling a libm function, and invoke this macro after,
|
||
|
* passing the function result.
|
||
|
* Caution:
|
||
|
* This isn't reliable. See Py_OVERFLOWED comments.
|
||
|
* X is evaluated more than once.
|
||
|
*/
|
||
|
#if defined(__FreeBSD__) || defined(__OpenBSD__) || (defined(__hpux) && defined(__ia64))
|
||
|
#define _Py_SET_EDOM_FOR_NAN(X) if (isnan(X)) errno = EDOM;
|
||
|
#else
|
||
|
#define _Py_SET_EDOM_FOR_NAN(X) ;
|
||
|
#endif
|
||
|
#define Py_SET_ERRNO_ON_MATH_ERROR(X) \
|
||
|
do { \
|
||
|
if (errno == 0) { \
|
||
|
if ((X) == Py_HUGE_VAL || (X) == -Py_HUGE_VAL) \
|
||
|
errno = ERANGE; \
|
||
|
else _Py_SET_EDOM_FOR_NAN(X) \
|
||
|
} \
|
||
|
} while(0)
|
||
|
|
||
|
/* Py_SET_ERANGE_ON_OVERFLOW(x)
|
||
|
* An alias of Py_SET_ERRNO_ON_MATH_ERROR for backward-compatibility.
|
||
|
*/
|
||
|
#define Py_SET_ERANGE_IF_OVERFLOW(X) Py_SET_ERRNO_ON_MATH_ERROR(X)
|
||
|
|
||
|
/* Py_ADJUST_ERANGE1(x)
|
||
|
* Py_ADJUST_ERANGE2(x, y)
|
||
|
* Set errno to 0 before calling a libm function, and invoke one of these
|
||
|
* macros after, passing the function result(s) (Py_ADJUST_ERANGE2 is useful
|
||
|
* for functions returning complex results). This makes two kinds of
|
||
|
* adjustments to errno: (A) If it looks like the platform libm set
|
||
|
* errno=ERANGE due to underflow, clear errno. (B) If it looks like the
|
||
|
* platform libm overflowed but didn't set errno, force errno to ERANGE. In
|
||
|
* effect, we're trying to force a useful implementation of C89 errno
|
||
|
* behavior.
|
||
|
* Caution:
|
||
|
* This isn't reliable. See Py_OVERFLOWED comments.
|
||
|
* X and Y may be evaluated more than once.
|
||
|
*/
|
||
|
#define Py_ADJUST_ERANGE1(X) \
|
||
|
do { \
|
||
|
if (errno == 0) { \
|
||
|
if ((X) == Py_HUGE_VAL || (X) == -Py_HUGE_VAL) \
|
||
|
errno = ERANGE; \
|
||
|
} \
|
||
|
else if (errno == ERANGE && (X) == 0.0) \
|
||
|
errno = 0; \
|
||
|
} while(0)
|
||
|
|
||
|
#define Py_ADJUST_ERANGE2(X, Y) \
|
||
|
do { \
|
||
|
if ((X) == Py_HUGE_VAL || (X) == -Py_HUGE_VAL || \
|
||
|
(Y) == Py_HUGE_VAL || (Y) == -Py_HUGE_VAL) { \
|
||
|
if (errno == 0) \
|
||
|
errno = ERANGE; \
|
||
|
} \
|
||
|
else if (errno == ERANGE) \
|
||
|
errno = 0; \
|
||
|
} while(0)
|
||
|
|
||
|
/* Py_DEPRECATED(version)
|
||
|
* Declare a variable, type, or function deprecated.
|
||
|
* Usage:
|
||
|
* extern int old_var Py_DEPRECATED(2.3);
|
||
|
* typedef int T1 Py_DEPRECATED(2.4);
|
||
|
* extern int x() Py_DEPRECATED(2.5);
|
||
|
*/
|
||
|
#if defined(__GNUC__) && ((__GNUC__ >= 4) || \
|
||
|
(__GNUC__ == 3) && (__GNUC_MINOR__ >= 1))
|
||
|
#define Py_DEPRECATED(VERSION_UNUSED) __attribute__((__deprecated__))
|
||
|
#else
|
||
|
#define Py_DEPRECATED(VERSION_UNUSED)
|
||
|
#endif
|
||
|
|
||
|
/**************************************************************************
|
||
|
Prototypes that are missing from the standard include files on some systems
|
||
|
(and possibly only some versions of such systems.)
|
||
|
|
||
|
Please be conservative with adding new ones, document them and enclose them
|
||
|
in platform-specific #ifdefs.
|
||
|
**************************************************************************/
|
||
|
|
||
|
#ifdef SOLARIS
|
||
|
/* Unchecked */
|
||
|
extern int gethostname(char *, int);
|
||
|
#endif
|
||
|
|
||
|
#ifdef __BEOS__
|
||
|
/* Unchecked */
|
||
|
/* It's in the libs, but not the headers... - [cjh] */
|
||
|
int shutdown( int, int );
|
||
|
#endif
|
||
|
|
||
|
#ifdef HAVE__GETPTY
|
||
|
#include <sys/types.h> /* we need to import mode_t */
|
||
|
extern char * _getpty(int *, int, mode_t, int);
|
||
|
#endif
|
||
|
|
||
|
#if defined(HAVE_OPENPTY) || defined(HAVE_FORKPTY)
|
||
|
#if !defined(HAVE_PTY_H) && !defined(HAVE_LIBUTIL_H)
|
||
|
/* BSDI does not supply a prototype for the 'openpty' and 'forkpty'
|
||
|
functions, even though they are included in libutil. */
|
||
|
#include <termios.h>
|
||
|
extern int openpty(int *, int *, char *, struct termios *, struct winsize *);
|
||
|
extern int forkpty(int *, char *, struct termios *, struct winsize *);
|
||
|
#endif /* !defined(HAVE_PTY_H) && !defined(HAVE_LIBUTIL_H) */
|
||
|
#endif /* defined(HAVE_OPENPTY) || defined(HAVE_FORKPTY) */
|
||
|
|
||
|
|
||
|
/* These are pulled from various places. It isn't obvious on what platforms
|
||
|
they are necessary, nor what the exact prototype should look like (which
|
||
|
is likely to vary between platforms!) If you find you need one of these
|
||
|
declarations, please move them to a platform-specific block and include
|
||
|
proper prototypes. */
|
||
|
#if 0
|
||
|
|
||
|
/* From Modules/resource.c */
|
||
|
extern int getrusage();
|
||
|
extern int getpagesize();
|
||
|
|
||
|
/* From Python/sysmodule.c and Modules/posixmodule.c */
|
||
|
extern int fclose(FILE *);
|
||
|
|
||
|
/* From Modules/posixmodule.c */
|
||
|
extern int fdatasync(int);
|
||
|
#endif /* 0 */
|
||
|
|
||
|
|
||
|
/************************
|
||
|
* WRAPPER FOR <math.h> *
|
||
|
************************/
|
||
|
|
||
|
#ifndef HAVE_HYPOT
|
||
|
extern double hypot(double, double);
|
||
|
#endif
|
||
|
|
||
|
|
||
|
/* On 4.4BSD-descendants, ctype functions serves the whole range of
|
||
|
* wchar_t character set rather than single byte code points only.
|
||
|
* This characteristic can break some operations of string object
|
||
|
* including str.upper() and str.split() on UTF-8 locales. This
|
||
|
* workaround was provided by Tim Robbins of FreeBSD project.
|
||
|
*/
|
||
|
|
||
|
#ifdef __FreeBSD__
|
||
|
#include <osreldate.h>
|
||
|
#if __FreeBSD_version > 500039
|
||
|
#include <ctype.h>
|
||
|
#include <wctype.h>
|
||
|
#undef isalnum
|
||
|
#define isalnum(c) iswalnum(btowc(c))
|
||
|
#undef isalpha
|
||
|
#define isalpha(c) iswalpha(btowc(c))
|
||
|
#undef islower
|
||
|
#define islower(c) iswlower(btowc(c))
|
||
|
#undef isspace
|
||
|
#define isspace(c) iswspace(btowc(c))
|
||
|
#undef isupper
|
||
|
#define isupper(c) iswupper(btowc(c))
|
||
|
#undef tolower
|
||
|
#define tolower(c) towlower(btowc(c))
|
||
|
#undef toupper
|
||
|
#define toupper(c) towupper(btowc(c))
|
||
|
#endif
|
||
|
#endif
|
||
|
|
||
|
|
||
|
/* Declarations for symbol visibility.
|
||
|
|
||
|
PyAPI_FUNC(type): Declares a public Python API function and return type
|
||
|
PyAPI_DATA(type): Declares public Python data and its type
|
||
|
PyMODINIT_FUNC: A Python module init function. If these functions are
|
||
|
inside the Python core, they are private to the core.
|
||
|
If in an extension module, it may be declared with
|
||
|
external linkage depending on the platform.
|
||
|
|
||
|
As a number of platforms support/require "__declspec(dllimport/dllexport)",
|
||
|
we support a HAVE_DECLSPEC_DLL macro to save duplication.
|
||
|
*/
|
||
|
|
||
|
/*
|
||
|
All windows ports, except cygwin, are handled in PC/pyconfig.h.
|
||
|
|
||
|
BeOS and cygwin are the only other autoconf platform requiring special
|
||
|
linkage handling and both of these use __declspec().
|
||
|
*/
|
||
|
#if defined(__CYGWIN__) || defined(__BEOS__)
|
||
|
# define HAVE_DECLSPEC_DLL
|
||
|
#endif
|
||
|
|
||
|
/* only get special linkage if built as shared or platform is Cygwin */
|
||
|
#if defined(Py_ENABLE_SHARED) || defined(__CYGWIN__)
|
||
|
# if defined(HAVE_DECLSPEC_DLL)
|
||
|
# ifdef Py_BUILD_CORE
|
||
|
# define PyAPI_FUNC(RTYPE) __declspec(dllexport) RTYPE
|
||
|
# define PyAPI_DATA(RTYPE) extern __declspec(dllexport) RTYPE
|
||
|
/* module init functions inside the core need no external linkage */
|
||
|
/* except for Cygwin to handle embedding (FIXME: BeOS too?) */
|
||
|
# if defined(__CYGWIN__)
|
||
|
# define PyMODINIT_FUNC __declspec(dllexport) void
|
||
|
# else /* __CYGWIN__ */
|
||
|
# define PyMODINIT_FUNC void
|
||
|
# endif /* __CYGWIN__ */
|
||
|
# else /* Py_BUILD_CORE */
|
||
|
/* Building an extension module, or an embedded situation */
|
||
|
/* public Python functions and data are imported */
|
||
|
/* Under Cygwin, auto-import functions to prevent compilation */
|
||
|
/* failures similar to http://python.org/doc/FAQ.html#3.24 */
|
||
|
# if !defined(__CYGWIN__)
|
||
|
# define PyAPI_FUNC(RTYPE) __declspec(dllimport) RTYPE
|
||
|
# endif /* !__CYGWIN__ */
|
||
|
# define PyAPI_DATA(RTYPE) extern __declspec(dllimport) RTYPE
|
||
|
/* module init functions outside the core must be exported */
|
||
|
# if defined(__cplusplus)
|
||
|
# define PyMODINIT_FUNC extern "C" __declspec(dllexport) void
|
||
|
# else /* __cplusplus */
|
||
|
# define PyMODINIT_FUNC __declspec(dllexport) void
|
||
|
# endif /* __cplusplus */
|
||
|
# endif /* Py_BUILD_CORE */
|
||
|
# endif /* HAVE_DECLSPEC */
|
||
|
#endif /* Py_ENABLE_SHARED */
|
||
|
|
||
|
/* If no external linkage macros defined by now, create defaults */
|
||
|
#ifndef PyAPI_FUNC
|
||
|
# define PyAPI_FUNC(RTYPE) RTYPE
|
||
|
#endif
|
||
|
#ifndef PyAPI_DATA
|
||
|
# define PyAPI_DATA(RTYPE) extern RTYPE
|
||
|
#endif
|
||
|
#ifndef PyMODINIT_FUNC
|
||
|
# if defined(__cplusplus)
|
||
|
# define PyMODINIT_FUNC extern "C" void
|
||
|
# else /* __cplusplus */
|
||
|
# define PyMODINIT_FUNC void
|
||
|
# endif /* __cplusplus */
|
||
|
#endif
|
||
|
|
||
|
/* Deprecated DL_IMPORT and DL_EXPORT macros */
|
||
|
#if defined(Py_ENABLE_SHARED) && defined (HAVE_DECLSPEC_DLL)
|
||
|
# if defined(Py_BUILD_CORE)
|
||
|
# define DL_IMPORT(RTYPE) __declspec(dllexport) RTYPE
|
||
|
# define DL_EXPORT(RTYPE) __declspec(dllexport) RTYPE
|
||
|
# else
|
||
|
# define DL_IMPORT(RTYPE) __declspec(dllimport) RTYPE
|
||
|
# define DL_EXPORT(RTYPE) __declspec(dllexport) RTYPE
|
||
|
# endif
|
||
|
#endif
|
||
|
#ifndef DL_EXPORT
|
||
|
# define DL_EXPORT(RTYPE) RTYPE
|
||
|
#endif
|
||
|
#ifndef DL_IMPORT
|
||
|
# define DL_IMPORT(RTYPE) RTYPE
|
||
|
#endif
|
||
|
/* End of deprecated DL_* macros */
|
||
|
|
||
|
/* If the fd manipulation macros aren't defined,
|
||
|
here is a set that should do the job */
|
||
|
|
||
|
#if 0 /* disabled and probably obsolete */
|
||
|
|
||
|
#ifndef FD_SETSIZE
|
||
|
#define FD_SETSIZE 256
|
||
|
#endif
|
||
|
|
||
|
#ifndef FD_SET
|
||
|
|
||
|
typedef long fd_mask;
|
||
|
|
||
|
#define NFDBITS (sizeof(fd_mask) * NBBY) /* bits per mask */
|
||
|
#ifndef howmany
|
||
|
#define howmany(x, y) (((x)+((y)-1))/(y))
|
||
|
#endif /* howmany */
|
||
|
|
||
|
typedef struct fd_set {
|
||
|
fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)];
|
||
|
} fd_set;
|
||
|
|
||
|
#define FD_SET(n, p) ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))
|
||
|
#define FD_CLR(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))
|
||
|
#define FD_ISSET(n, p) ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))
|
||
|
#define FD_ZERO(p) memset((char *)(p), '\0', sizeof(*(p)))
|
||
|
|
||
|
#endif /* FD_SET */
|
||
|
|
||
|
#endif /* fd manipulation macros */
|
||
|
|
||
|
|
||
|
/* limits.h constants that may be missing */
|
||
|
|
||
|
#ifndef INT_MAX
|
||
|
#define INT_MAX 2147483647
|
||
|
#endif
|
||
|
|
||
|
#ifndef LONG_MAX
|
||
|
#if SIZEOF_LONG == 4
|
||
|
#define LONG_MAX 0X7FFFFFFFL
|
||
|
#elif SIZEOF_LONG == 8
|
||
|
#define LONG_MAX 0X7FFFFFFFFFFFFFFFL
|
||
|
#else
|
||
|
#error "could not set LONG_MAX in pyport.h"
|
||
|
#endif
|
||
|
#endif
|
||
|
|
||
|
#ifndef LONG_MIN
|
||
|
#define LONG_MIN (-LONG_MAX-1)
|
||
|
#endif
|
||
|
|
||
|
#ifndef LONG_BIT
|
||
|
#define LONG_BIT (8 * SIZEOF_LONG)
|
||
|
#endif
|
||
|
|
||
|
#if LONG_BIT != 8 * SIZEOF_LONG
|
||
|
/* 04-Oct-2000 LONG_BIT is apparently (mis)defined as 64 on some recent
|
||
|
* 32-bit platforms using gcc. We try to catch that here at compile-time
|
||
|
* rather than waiting for integer multiplication to trigger bogus
|
||
|
* overflows.
|
||
|
*/
|
||
|
#error "LONG_BIT definition appears wrong for platform (bad gcc/glibc config?)."
|
||
|
#endif
|
||
|
|
||
|
#ifdef __cplusplus
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
/*
|
||
|
* Hide GCC attributes from compilers that don't support them.
|
||
|
*/
|
||
|
#if (!defined(__GNUC__) || __GNUC__ < 2 || \
|
||
|
(__GNUC__ == 2 && __GNUC_MINOR__ < 7) ) && \
|
||
|
!defined(RISCOS)
|
||
|
#define Py_GCC_ATTRIBUTE(x)
|
||
|
#else
|
||
|
#define Py_GCC_ATTRIBUTE(x) __attribute__(x)
|
||
|
#endif
|
||
|
|
||
|
/* Eliminate end-of-loop code not reached warnings from SunPro C
|
||
|
* when using do{...}while(0) macros
|
||
|
*/
|
||
|
#ifdef __SUNPRO_C
|
||
|
#pragma error_messages (off,E_END_OF_LOOP_CODE_NOT_REACHED)
|
||
|
#endif
|
||
|
|
||
|
/*
|
||
|
* Older Microsoft compilers don't support the C99 long long literal suffixes,
|
||
|
* so these will be defined in PC/pyconfig.h for those compilers.
|
||
|
*/
|
||
|
#ifndef Py_LL
|
||
|
#define Py_LL(x) x##LL
|
||
|
#endif
|
||
|
|
||
|
#ifndef Py_ULL
|
||
|
#define Py_ULL(x) Py_LL(x##U)
|
||
|
#endif
|
||
|
|
||
|
#endif /* Py_PYPORT_H */
|