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/* perl.h
*
* Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
* 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
*
*/
#ifndef H_PERL
#define H_PERL 1
#ifdef PERL_FOR_X2P
/*
* This file is being used for x2p stuff.
* Above symbol is defined via -D in 'x2p/Makefile.SH'
* Decouple x2p stuff from some of perls more extreme eccentricities.
*/
#undef MULTIPLICITY
#undef USE_STDIO
#define USE_STDIO
#endif /* PERL_FOR_X2P */
#ifdef PERL_MICRO
# include "uconfig.h"
#else
# include "config.h"
#endif
/* See L<perlguts/"The Perl API"> for detailed notes on
* PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
/* Note that from here --> to <-- the same logic is
* repeated in makedef.pl, so be certain to update
* both places when editing. */
#ifdef USE_ITHREADS
# if !defined(MULTIPLICITY)
# define MULTIPLICITY
# endif
#endif
#ifdef PERL_GLOBAL_STRUCT_PRIVATE
# ifndef PERL_GLOBAL_STRUCT
# define PERL_GLOBAL_STRUCT
# endif
#endif
#ifdef PERL_GLOBAL_STRUCT
# ifndef MULTIPLICITY
# define MULTIPLICITY
# endif
#endif
#ifdef MULTIPLICITY
# ifndef PERL_IMPLICIT_CONTEXT
# define PERL_IMPLICIT_CONTEXT
# endif
#endif
/* undef WIN32 when building on Cygwin (for libwin32) - gph */
#ifdef __CYGWIN__
# undef WIN32
# undef _WIN32
#endif
#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
# ifndef SYMBIAN
# define SYMBIAN
# endif
#endif
#ifdef __SYMBIAN32__
# include "symbian/symbian_proto.h"
#endif
/* Any stack-challenged places. The limit varies (and often
* is configurable), but using more than a kilobyte of stack
* is usually dubious in these systems. */
#if defined(__SYMBIAN32__)
/* Symbian: need to work around the SDK features. *
* On WINS: MS VC5 generates calls to _chkstk, *
* if a "large" stack frame is allocated. *
* gcc on MARM does not generate calls like these. */
# define USE_HEAP_INSTEAD_OF_STACK
#endif
/* Use the reentrant APIs like localtime_r and getpwent_r */
/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
# define USE_REENTRANT_API
#endif
/* <--- here ends the logic shared by perl.h and makedef.pl */
/* Microsoft Visual C++ 6.0 needs special treatment in numerous places */
#if defined(WIN32) && defined(_MSC_VER) && _MSC_VER >= 1200 && _MSC_VER < 1300
# define USING_MSVC6
#endif
#undef START_EXTERN_C
#undef END_EXTERN_C
#undef EXTERN_C
#ifdef __cplusplus
# define START_EXTERN_C extern "C" {
# define END_EXTERN_C }
# define EXTERN_C extern "C"
#else
# define START_EXTERN_C
# define END_EXTERN_C
# define EXTERN_C extern
#endif
/* Fallback definitions in case we don't have definitions from config.h.
This should only matter for systems that don't use Configure and
haven't been modified to define PERL_STATIC_INLINE yet.
*/
#if !defined(PERL_STATIC_INLINE)
# ifdef HAS_STATIC_INLINE
# define PERL_STATIC_INLINE static inline
# else
# define PERL_STATIC_INLINE static
# endif
#endif
#ifdef PERL_GLOBAL_STRUCT
# ifndef PERL_GET_VARS
# ifdef PERL_GLOBAL_STRUCT_PRIVATE
EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
# ifndef PERLIO_FUNCS_CONST
# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
# endif
# else
# define PERL_GET_VARS() PL_VarsPtr
# endif
# endif
#endif
#define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL
#ifdef PERL_GLOBAL_STRUCT
# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
#else
# define dVAR dNOOP
#endif
#ifdef PERL_IMPLICIT_CONTEXT
# ifndef MULTIPLICITY
# define MULTIPLICITY
# endif
# define tTHX PerlInterpreter*
# define pTHX tTHX my_perl PERL_UNUSED_DECL
# define aTHX my_perl
# define aTHXa(a) aTHX = (tTHX)a
# ifdef PERL_GLOBAL_STRUCT
# define dTHXa(a) dVAR; pTHX = (tTHX)a
# else
# define dTHXa(a) pTHX = (tTHX)a
# endif
# ifdef PERL_GLOBAL_STRUCT
# define dTHX dVAR; pTHX = PERL_GET_THX
# else
# define dTHX pTHX = PERL_GET_THX
# endif
# define pTHX_ pTHX,
# define aTHX_ aTHX,
# define pTHX_1 2
# define pTHX_2 3
# define pTHX_3 4
# define pTHX_4 5
# define pTHX_5 6
# define pTHX_6 7
# define pTHX_7 8
# define pTHX_8 9
# define pTHX_9 10
# define pTHX_12 13
# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
# define PERL_TRACK_MEMPOOL
# endif
#else
# undef PERL_TRACK_MEMPOOL
#endif
#define STATIC static
#ifndef PERL_CORE
/* Do not use these macros. They were part of PERL_OBJECT, which was an
* implementation of multiplicity using C++ objects. They have been left
* here solely for the sake of XS code which has incorrectly
* cargo-culted them.
*/
#define CPERLscope(x) x
#define CPERLarg void
#define CPERLarg_
#define _CPERLarg
#define PERL_OBJECT_THIS
#define _PERL_OBJECT_THIS
#define PERL_OBJECT_THIS_
#define CALL_FPTR(fptr) (*fptr)
#define MEMBER_TO_FPTR(name) name
#endif /* !PERL_CORE */
#define CALLRUNOPS PL_runops
#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,sv,data,flags) \
RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
(strbeg),(minend),(sv),(data),(flags))
#define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \
RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (strpos), \
(strend),(flags),(data))
#define CALLREG_INTUIT_STRING(prog) \
RX_ENGINE(prog)->checkstr(aTHX_ (prog))
#define CALLREGFREE(prog) \
Perl_pregfree(aTHX_ (prog))
#define CALLREGFREE_PVT(prog) \
if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
#define CALLREG_NUMBUF_STORE(rx,paren,value) \
RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
#define CALLREG_NAMED_BUFF_COUNT(rx) \
RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
#define CALLREG_PACKAGE(rx) \
RX_ENGINE(rx)->qr_package(aTHX_ (rx))
#if defined(USE_ITHREADS)
#define CALLREGDUPE(prog,param) \
Perl_re_dup(aTHX_ (prog),(param))
#define CALLREGDUPE_PVT(prog,param) \
(prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
: (REGEXP *)NULL)
#endif
/*
* Because of backward compatibility reasons the PERL_UNUSED_DECL
* cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
*
* Note that there are C compilers such as MetroWerks CodeWarrior
* which do not have an "inlined" way (like the gcc __attribute__) of
* marking unused variables (they need e.g. a #pragma) and therefore
* cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
* if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
*
*/
#if defined(__SYMBIAN32__) && defined(__GNUC__)
# ifdef __cplusplus
# define PERL_UNUSED_DECL
# else
# define PERL_UNUSED_DECL __attribute__((unused))
# endif
#endif
#ifndef PERL_UNUSED_DECL
# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
# define PERL_UNUSED_DECL __attribute__unused__
# else
# define PERL_UNUSED_DECL
# endif
#endif
/* gcc -Wall:
* for silencing unused variables that are actually used most of the time,
* but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
*/
#ifndef PERL_UNUSED_ARG
# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
# include <note.h>
# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
# else
# define PERL_UNUSED_ARG(x) ((void)x)
# endif
#endif
#ifndef PERL_UNUSED_VAR
# define PERL_UNUSED_VAR(x) ((void)x)
#endif
#ifdef USE_ITHREADS
# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
#else
# define PERL_UNUSED_CONTEXT
#endif
/* on gcc (and clang), specify that a warning should be temporarily
* ignored; e.g.
*
* GCC_DIAG_IGNORE(-Wmultichar);
* char b = 'ab';
* GCC_DIAG_RESTORE;
*
* based on http://dbp-consulting.com/tutorials/SuppressingGCCWarnings.html
*
* Note that "pragma GCC diagnostic push/pop" was added in GCC 4.6, Mar 2011;
* clang only pretends to be GCC 4.2, but still supports push/pop.
*/
#if defined(__clang) || \
(defined( __GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406)
# define GCC_DIAG_DO_PRAGMA_(x) _Pragma (#x)
# define GCC_DIAG_IGNORE(x) _Pragma("GCC diagnostic push") \
GCC_DIAG_DO_PRAGMA_(GCC diagnostic ignored #x)
# define GCC_DIAG_RESTORE _Pragma("GCC diagnostic pop")
#else
# define GCC_DIAG_IGNORE(w)
# define GCC_DIAG_RESTORE
#endif
#define NOOP /*EMPTY*/(void)0
/* cea2e8a9dd23747f accidentally lost the comment originally from the first
check in of thread.h, explaining why we need dNOOP at all: */
/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
/* Declaring a *function*, instead of a variable, ensures that we don't rely
on being able to suppress "unused" warnings. */
#ifdef __cplusplus
#define dNOOP (void)0
#else
#define dNOOP extern int Perl___notused(void)
#endif
#ifndef pTHX
/* Don't bother defining tTHX ; using it outside
* code guarded by PERL_IMPLICIT_CONTEXT is an error.
*/
# define pTHX void
# define pTHX_
# define aTHX
# define aTHX_
# define aTHXa(a) NOOP
# define dTHXa(a) dNOOP
# define dTHX dNOOP
# define pTHX_1 1
# define pTHX_2 2
# define pTHX_3 3
# define pTHX_4 4
# define pTHX_5 5
# define pTHX_6 6
# define pTHX_7 7
# define pTHX_8 8
# define pTHX_9 9
# define pTHX_12 12
#endif
#ifndef dVAR
# define dVAR dNOOP
#endif
/* these are only defined for compatibility; should not be used internally */
#if !defined(pTHXo) && !defined(PERL_CORE)
# define pTHXo pTHX
# define pTHXo_ pTHX_
# define aTHXo aTHX
# define aTHXo_ aTHX_
# define dTHXo dTHX
# define dTHXoa(x) dTHXa(x)
#endif
#ifndef pTHXx
# define pTHXx PerlInterpreter *my_perl
# define pTHXx_ pTHXx,
# define aTHXx my_perl
# define aTHXx_ aTHXx,
# define dTHXx dTHX
#endif
/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
* PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
* dTHXs is therefore needed for all functions using PerlIO_foo(). */
#ifdef PERL_IMPLICIT_SYS
# ifdef PERL_GLOBAL_STRUCT_PRIVATE
# define dTHXs dVAR; dTHX
# else
# define dTHXs dTHX
# endif
#else
# ifdef PERL_GLOBAL_STRUCT_PRIVATE
# define dTHXs dVAR
# else
# define dTHXs dNOOP
# endif
#endif
/* Some platforms require marking function declarations
* for them to be exportable. Used in perlio.h, proto.h
* is handled either by the makedef.pl or by defining the
* PERL_CALLCONV to be something special. See also the
* definition of XS() in XSUB.h. */
#ifndef PERL_EXPORT_C
# ifdef __cplusplus
# define PERL_EXPORT_C extern "C"
# else
# define PERL_EXPORT_C extern
# endif
#endif
#ifndef PERL_XS_EXPORT_C
# ifdef __cplusplus
# define PERL_XS_EXPORT_C extern "C"
# else
# define PERL_XS_EXPORT_C
# endif
#endif
/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
* g++ allows them but seems to have problems with them
* (insane errors ensue).
* g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
*/
#if defined(PERL_GCC_PEDANTIC) || \
(defined(__GNUC__) && defined(__cplusplus) && \
((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
# endif
#endif
#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
# ifndef PERL_USE_GCC_BRACE_GROUPS
# define PERL_USE_GCC_BRACE_GROUPS
# endif
#endif
/*
* STMT_START { statements; } STMT_END;
* can be used as a single statement, as in
* if (x) STMT_START { ... } STMT_END; else ...
*
* Trying to select a version that gives no warnings...
*/
#if !(defined(STMT_START) && defined(STMT_END))
# ifdef PERL_USE_GCC_BRACE_GROUPS
# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
# define STMT_END )
# else
# define STMT_START do
# define STMT_END while (0)
# endif
#endif
#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
# define BYTEORDER 0x1234
#endif
/* Overall memory policy? */
#ifndef CONSERVATIVE
# define LIBERAL 1
#endif
#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
#define ASCIIish
#else
#undef ASCIIish
#endif
/*
* The following contortions are brought to you on behalf of all the
* standards, semi-standards, de facto standards, not-so-de-facto standards
* of the world, as well as all the other botches anyone ever thought of.
* The basic theory is that if we work hard enough here, the rest of the
* code can be a lot prettier. Well, so much for theory. Sorry, Henry...
*/
/* define this once if either system, instead of cluttering up the src */
#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
#define DOSISH 1
#endif
#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
# define STANDARD_C 1
#endif
#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
# define DONT_DECLARE_STD 1
#endif
#if defined(HASVOLATILE) || defined(STANDARD_C)
# define VOL volatile
#else
# define VOL
#endif
/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
* you get a perl without taint support, but doubtlessly with a lesser
* degree of support. Do not do so unless you know exactly what it means
* technically, have a good reason to do so, and know exactly how the
* perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
* a potential security risk due to flat out ignoring the security-relevant
* taint flags. This being said, a perl without taint support compiled in
* has marginal run-time performance benefits.
* SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
* SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
* silently ignores -t/-T instead of throwing an exception.
*
* DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
* voids your nonexistent warranty!
*/
#if defined(SILENT_NO_TAINT_SUPPORT) && !defined(NO_TAINT_SUPPORT)
# define NO_TAINT_SUPPORT 1
#endif
/* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
* operations into no-ops for a very modest speed-up. Enable only if you
* know what you're doing: tests and CPAN modules' tests are bound to fail.
*/
#ifdef NO_TAINT_SUPPORT
# define TAINT NOOP
# define TAINT_NOT NOOP
# define TAINT_IF(c) NOOP
# define TAINT_ENV() NOOP
# define TAINT_PROPER(s) NOOP
# define TAINT_set(s) NOOP
# define TAINT_get 0
# define TAINTING_get 0
# define TAINTING_set(s) NOOP
# define TAINT_WARN_get 0
# define TAINT_WARN_set(s) NOOP
#else
# define TAINT (PL_tainted = TRUE)
# define TAINT_NOT (PL_tainted = FALSE)
# define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
# define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
# define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
# define TAINT_set(s) (PL_tainted = (s))
# define TAINT_get (PL_tainted)
# define TAINTING_get (PL_tainting)
# define TAINTING_set(s) (PL_tainting = (s))
# define TAINT_WARN_get (PL_taint_warn)
# define TAINT_WARN_set(s) (PL_taint_warn = (s))
#endif
/* flags used internally only within pp_subst and pp_substcont */
#ifdef PERL_CORE
# define SUBST_TAINT_STR 1 /* string tainted */
# define SUBST_TAINT_PAT 2 /* pattern tainted */
# define SUBST_TAINT_REPL 4 /* replacement tainted */
# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
#endif
/* XXX All process group stuff is handled in pp_sys.c. Should these
defines move there? If so, I could simplify this a lot. --AD 9/96.
*/
/* Process group stuff changed from traditional BSD to POSIX.
perlfunc.pod documents the traditional BSD-style syntax, so we'll
try to preserve that, if possible.
*/
#ifdef HAS_SETPGID
# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
#else
# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
# else
# ifdef HAS_SETPGRP2 /* DG/UX */
# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
# endif
# endif
#endif
#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
# define HAS_SETPGRP /* Well, effectively it does . . . */
#endif
/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
our life easier :-) so we'll try it.
*/
#ifdef HAS_GETPGID
# define BSD_GETPGRP(pid) getpgid((pid))
#else
# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
# define BSD_GETPGRP(pid) getpgrp((pid))
# else
# ifdef HAS_GETPGRP2 /* DG/UX */
# define BSD_GETPGRP(pid) getpgrp2((pid))
# endif
# endif
#endif
#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
# define HAS_GETPGRP /* Well, effectively it does . . . */
#endif
/* These are not exact synonyms, since setpgrp() and getpgrp() may
have different behaviors, but perl.h used to define USE_BSDPGRP
(prior to 5.003_05) so some extension might depend on it.
*/
#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
# ifndef USE_BSDPGRP
# define USE_BSDPGRP
# endif
#endif
/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
pthread.h must be included before all other header files.
*/
#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
# include <pthread.h>
#endif
#include <sys/types.h>
#ifdef __cplusplus
# ifndef I_STDARG
# define I_STDARG 1
# endif
#endif
#ifdef I_STDARG
# include <stdarg.h>
#else
# ifdef I_VARARGS
# include <varargs.h>
# endif
#endif
#ifdef USE_NEXT_CTYPE
#if NX_CURRENT_COMPILER_RELEASE >= 500
# include <bsd/ctypes.h>
#else
# if NX_CURRENT_COMPILER_RELEASE >= 400
# include <objc/NXCType.h>
# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
# include <appkit/NXCType.h>
# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
#else /* !USE_NEXT_CTYPE */
#include <ctype.h>
#endif /* USE_NEXT_CTYPE */
#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
#undef METHOD
#endif
#ifdef PERL_MICRO
# define NO_LOCALE
#endif
#ifdef I_LOCALE
# include <locale.h>
#endif
#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
# define USE_LOCALE
# define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
capability */
# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
&& defined(HAS_STRXFRM)
# define USE_LOCALE_COLLATE
# endif
# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
# define USE_LOCALE_CTYPE
# endif
# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
# define USE_LOCALE_NUMERIC
# endif
# if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
# define USE_LOCALE_MESSAGES
# endif
# if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
# define USE_LOCALE_MONETARY
# endif
# ifndef WIN32 /* No wrapper except on Windows */
# define my_setlocale(a,b) setlocale(a,b)
# endif
#endif /* !NO_LOCALE && HAS_SETLOCALE */
#include <setjmp.h>
#ifdef I_SYS_PARAM
# ifdef PARAM_NEEDS_TYPES
# include <sys/types.h>
# endif
# include <sys/param.h>
#endif
/* On BSD-derived systems, <sys/param.h> defines BSD to a year-month
value something like 199306. This may be useful if no more-specific
feature test is available.
*/
#if defined(BSD)
# ifndef BSDish
# define BSDish
# endif
#endif
/* Use all the "standard" definitions? */
#if defined(STANDARD_C) && defined(I_STDLIB)
# include <stdlib.h>
#endif
/* If this causes problems, set i_unistd=undef in the hint file. */
#ifdef I_UNISTD
# include <unistd.h>
#endif
/* for WCOREDUMP */
#ifdef I_SYS_WAIT
# include <sys/wait.h>
#endif
#ifdef __SYMBIAN32__
# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
#endif
#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
EXTERN_C int syscall(int, ...);
#endif
#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
EXTERN_C int usleep(unsigned int);
#endif
#ifdef PERL_CORE
/* macros for correct constant construction */
# if INTSIZE >= 2
# define U16_CONST(x) ((U16)x##U)
# else
# define U16_CONST(x) ((U16)x##UL)
# endif
# if INTSIZE >= 4
# define U32_CONST(x) ((U32)x##U)
# else
# define U32_CONST(x) ((U32)x##UL)
# endif
# ifdef HAS_QUAD
# if INTSIZE >= 8
# define U64_CONST(x) ((U64)x##U)
# elif LONGSIZE >= 8
# define U64_CONST(x) ((U64)x##UL)
# elif QUADKIND == QUAD_IS_LONG_LONG
# define U64_CONST(x) ((U64)x##ULL)
# elif QUADKIND == QUAD_IS___INT64
# define U64_CONST(x) ((U64)x##UI64)
# else /* best guess we can make */
# define U64_CONST(x) ((U64)x##UL)
# endif
# endif
/* byte-swapping functions for big-/little-endian conversion */
# define _swab_16_(x) ((U16)( \
(((U16)(x) & U16_CONST(0x00ff)) << 8) | \
(((U16)(x) & U16_CONST(0xff00)) >> 8) ))
# define _swab_32_(x) ((U32)( \
(((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
(((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
(((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
(((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
# ifdef HAS_QUAD
# define _swab_64_(x) ((U64)( \
(((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
(((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
(((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
(((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
(((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
(((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
(((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
(((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
# endif
/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
at least on FreeBSD. YMMV, so experiment. */
#ifndef PERL_ARENA_SIZE
#define PERL_ARENA_SIZE 4080
#endif
/* Maximum level of recursion */
#ifndef PERL_SUB_DEPTH_WARN
#define PERL_SUB_DEPTH_WARN 100
#endif
#endif /* PERL_CORE */
/* We no longer default to creating a new SV for GvSV.
Do this before embed. */
#ifndef PERL_CREATE_GVSV
# ifndef PERL_DONT_CREATE_GVSV
# define PERL_DONT_CREATE_GVSV
# endif
#endif
#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
#define PERL_USES_PL_PIDSTATUS
#endif
#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
#endif
#define MEM_SIZE Size_t
/* Round all values passed to malloc up, by default to a multiple of
sizeof(size_t)
*/
#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
#endif
/* sv_grow() will expand strings by at least a certain percentage of
the previously *used* length to avoid excessive calls to realloc().
The default is 25% of the current length.
*/
#ifndef PERL_STRLEN_EXPAND_SHIFT
# define PERL_STRLEN_EXPAND_SHIFT 2
#endif
#if defined(STANDARD_C) && defined(I_STDDEF)
# include <stddef.h>
# define STRUCT_OFFSET(s,m) offsetof(s,m)
#else
# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
#endif
#ifndef __SYMBIAN32__
# if defined(I_STRING) || defined(__cplusplus)
# include <string.h>
# else
# include <strings.h>
# endif
#endif
/* This comes after <stdlib.h> so we don't try to change the standard
* library prototypes; we'll use our own in proto.h instead. */
#ifdef MYMALLOC
# ifdef PERL_POLLUTE_MALLOC
# ifndef PERL_EXTMALLOC_DEF
# define Perl_malloc malloc
# define Perl_calloc calloc
# define Perl_realloc realloc
# define Perl_mfree free
# endif
# else
# define EMBEDMYMALLOC /* for compatibility */
# endif
# define safemalloc Perl_malloc
# define safecalloc Perl_calloc
# define saferealloc Perl_realloc
# define safefree Perl_mfree
# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
code; \
} STMT_END
# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
# define panic_write2(s) write(2, s, strlen(s))
# define CHECK_MALLOC_TAINT(newval) \
CHECK_MALLOC_TOO_LATE_FOR_( \
if (newval) { \
panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
exit(1); })
# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
if (doing_taint(argc,argv,env)) { \
MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
}} STMT_END;
#else /* MYMALLOC */
# define safemalloc safesysmalloc
# define safecalloc safesyscalloc
# define saferealloc safesysrealloc
# define safefree safesysfree
# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
# define CHECK_MALLOC_TAINT(newval) ((void)0)
# define MALLOC_CHECK_TAINT(argc,argv,env)
#endif /* MYMALLOC */
/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
#define TOO_LATE_FOR_(ch,what) Perl_croak(aTHX_ "\"-%c\" is on the #! line, it must also be used on the command line%s", (char)(ch), what)
#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
#define strchr index
#define strrchr rindex
#endif
#ifdef I_MEMORY
# include <memory.h>
#endif
#ifdef HAS_MEMCPY
# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
# ifndef memcpy
extern char * memcpy (char*, char*, int);
# endif
# endif
#else
# ifndef memcpy
# ifdef HAS_BCOPY
# define memcpy(d,s,l) bcopy(s,d,l)
# else
# define memcpy(d,s,l) my_bcopy(s,d,l)
# endif
# endif
#endif /* HAS_MEMCPY */
#ifdef HAS_MEMSET
# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
# ifndef memset
extern char *memset (char*, int, int);
# endif
# endif
#else
# undef memset
# define memset(d,c,l) my_memset(d,c,l)
#endif /* HAS_MEMSET */
#if !defined(HAS_MEMMOVE) && !defined(memmove)
# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
# define memmove(d,s,l) bcopy(s,d,l)
# else
# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
# define memmove(d,s,l) memcpy(d,s,l)
# else
# define memmove(d,s,l) my_bcopy(s,d,l)
# endif
# endif
#endif
#if defined(mips) && defined(ultrix) && !defined(__STDC__)
# undef HAS_MEMCMP
#endif
#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
# ifndef memcmp
extern int memcmp (char*, char*, int);
# endif
# endif
#else
# ifndef memcmp
# define memcmp my_memcmp
# endif
#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
#ifndef memzero
# ifdef HAS_MEMSET
# define memzero(d,l) memset(d,0,l)
# else
# ifdef HAS_BZERO
# define memzero(d,l) bzero(d,l)
# else
# define memzero(d,l) my_bzero(d,l)
# endif
# endif
#endif
#ifndef PERL_MICRO
#ifndef memchr
# ifndef HAS_MEMCHR
# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
# endif
#endif
#endif
#ifndef HAS_BCMP
# ifndef bcmp
# define bcmp(s1,s2,l) memcmp(s1,s2,l)
# endif
#endif /* !HAS_BCMP */
#ifdef I_NETINET_IN
# include <netinet/in.h>
#endif
#ifdef I_ARPA_INET
# include <arpa/inet.h>
#endif
#ifdef I_SYS_STAT
# include <sys/stat.h>
#endif
/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
This definition should ideally go into win32/win32.h, but S_IFIFO is
used later here in perl.h before win32/win32.h is being included. */
#if !defined(S_IFIFO) && defined(_S_IFIFO)
# define S_IFIFO _S_IFIFO
#endif
/* The stat macros for Unisoft System V/88 (and derivatives
like UTekV) are broken, sometimes giving false positives. Undefine
them here and let the code below set them to proper values.
The ghs macro stands for GreenHills Software C-1.8.5 which
is the C compiler for sysV88 and the various derivatives.
This header file bug is corrected in gcc-2.5.8 and later versions.
--Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
#if defined(m88k) && defined(ghs)
# undef S_ISDIR
# undef S_ISCHR
# undef S_ISBLK
# undef S_ISREG
# undef S_ISFIFO
# undef S_ISLNK
#endif
#ifdef I_TIME
# include <time.h>
#endif
#ifdef I_SYS_TIME
# ifdef I_SYS_TIME_KERNEL
# define KERNEL
# endif
# include <sys/time.h>
# ifdef I_SYS_TIME_KERNEL
# undef KERNEL
# endif
#endif
#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
# include <sys/times.h>
#endif
#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
# undef HAS_STRERROR
#endif
#include <errno.h>
#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
#endif
/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
* This is important for using IPv6.
* For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
* a bad idea since it breaks send() and recv(). */
#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
# define _SOCKADDR_LEN
#endif
#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
# include <sys/socket.h>
# if defined(USE_SOCKS) && defined(I_SOCKS)
# if !defined(INCLUDE_PROTOTYPES)
# define INCLUDE_PROTOTYPES /* for <socks.h> */
# define PERL_SOCKS_NEED_PROTOTYPES
# endif
# include <socks.h>
# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
# undef INCLUDE_PROTOTYPES
# undef PERL_SOCKS_NEED_PROTOTYPES
# endif
# endif
# ifdef I_NETDB
# ifdef NETWARE
# include<stdio.h>
# endif
# include <netdb.h>
# endif
# ifndef ENOTSOCK
# ifdef I_NET_ERRNO
# include <net/errno.h>
# endif
# endif
#endif
/* sockatmark() is so new (2001) that many places might have it hidden
* behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
* e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
# if defined(__THROW) && defined(__GLIBC__)
int sockatmark(int) __THROW;
# else
int sockatmark(int);
# endif
#endif
#if defined(__osf__) && defined(__cplusplus) && !defined(_XOPEN_SOURCE_EXTENDED) /* Tru64 "cxx" (C++), see hints/dec_osf.sh for why the _XOPEN_SOURCE_EXTENDED cannot be defined. */
EXTERN_C int fchdir(int);
EXTERN_C int flock(int, int);
EXTERN_C int fseeko(FILE *, off_t, int);
EXTERN_C off_t ftello(FILE *);
#endif
#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
EXTERN_C char *crypt(const char *, const char *);
EXTERN_C char **environ;
#endif
#if defined(__cplusplus)
# if defined(BSDish)
EXTERN_C char **environ;
# elif defined(__CYGWIN__)
EXTERN_C char *crypt(const char *, const char *);
#endif
#endif
#ifdef SETERRNO
# undef SETERRNO /* SOCKS might have defined this */
#endif
#ifdef VMS
# define SETERRNO(errcode,vmserrcode) \
STMT_START { \
set_errno(errcode); \
set_vaxc_errno(vmserrcode); \
} STMT_END
# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
# define LIB_INVARG LIB$_INVARG
# define RMS_DIR RMS$_DIR
# define RMS_FAC RMS$_FAC
# define RMS_FEX RMS$_FEX
# define RMS_FNF RMS$_FNF
# define RMS_IFI RMS$_IFI
# define RMS_ISI RMS$_ISI
# define RMS_PRV RMS$_PRV
# define SS_ACCVIO SS$_ACCVIO
# define SS_DEVOFFLINE SS$_DEVOFFLINE
# define SS_IVCHAN SS$_IVCHAN
# define SS_NORMAL SS$_NORMAL
#else
# define LIB_INVARG 0
# define RMS_DIR 0
# define RMS_FAC 0
# define RMS_FEX 0
# define RMS_FNF 0
# define RMS_IFI 0
# define RMS_ISI 0
# define RMS_PRV 0
# define SS_ACCVIO 0
# define SS_DEVOFFLINE 0
# define SS_IVCHAN 0
# define SS_NORMAL 0
#endif
#ifdef WIN32
# define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
# define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
# define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
# define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
#endif
#ifdef OS2
# define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
# define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
# define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
# define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
#endif
#ifndef SETERRNO
# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
#endif
#ifndef dSAVEDERRNO
# define dSAVEDERRNO int saved_errno
# define dSAVE_ERRNO int saved_errno = errno
# define SAVE_ERRNO (saved_errno = errno)
# define RESTORE_ERRNO (errno = saved_errno)
#endif
#define ERRSV GvSVn(PL_errgv)
#define CLEAR_ERRSV() STMT_START { \
if (!GvSV(PL_errgv)) { \
sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
} else if (SvREADONLY(GvSV(PL_errgv))) { \
SvREFCNT_dec(GvSV(PL_errgv)); \
GvSV(PL_errgv) = newSVpvs(""); \
} else { \
SV *const errsv = GvSV(PL_errgv); \
sv_setpvs(errsv, ""); \
if (SvMAGICAL(errsv)) { \
mg_free(errsv); \
} \
SvPOK_only(errsv); \
} \
} STMT_END
#ifdef PERL_CORE
# define DEFSV (0 + GvSVn(PL_defgv))
# define DEFSV_set(sv) \
(SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
# define SAVE_DEFSV \
( \
save_gp(PL_defgv, 0), \
GvINTRO_off(PL_defgv), \
SAVEGENERICSV(GvSV(PL_defgv)), \
GvSV(PL_defgv) = NULL \
)
#else
# define DEFSV GvSVn(PL_defgv)
# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
#endif
#ifndef errno
extern int errno; /* ANSI allows errno to be an lvalue expr.
* For example in multithreaded environments
* something like this might happen:
* extern int *_errno(void);
* #define errno (*_errno()) */
#endif
#define UNKNOWN_ERRNO_MSG "(unknown)"
#ifdef HAS_STRERROR
# ifndef DONT_DECLARE_STD
# ifdef VMS
char *strerror (int,...);
# else
char *strerror (int);
# endif
# endif
# ifndef Strerror
# define Strerror strerror
# endif
#else
# ifdef HAS_SYS_ERRLIST
extern int sys_nerr;
extern char *sys_errlist[];
# ifndef Strerror
# define Strerror(e) \
((e) < 0 || (e) >= sys_nerr ? UNKNOWN_ERRNO_MSG : sys_errlist[e])
# endif
# endif
#endif
#ifdef I_SYS_IOCTL
# ifndef _IOCTL_
# include <sys/ioctl.h>
# endif
#endif
#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
# ifdef HAS_SOCKETPAIR
# undef HAS_SOCKETPAIR
# endif
# ifdef I_NDBM
# undef I_NDBM
# endif
#endif
#ifndef HAS_SOCKETPAIR
# ifdef HAS_SOCKET
# define socketpair Perl_my_socketpair
# endif
#endif
#if INTSIZE == 2
# define htoni htons
# define ntohi ntohs
#else
# define htoni htonl
# define ntohi ntohl
#endif
/* Configure already sets Direntry_t */
#if defined(I_DIRENT)
# include <dirent.h>
/* NeXT needs dirent + sys/dir.h */
# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
# include <sys/dir.h>
# endif
#else
# ifdef I_SYS_NDIR
# include <sys/ndir.h>
# else
# ifdef I_SYS_DIR
# ifdef hp9000s500
# include <ndir.h> /* may be wrong in the future */
# else
# include <sys/dir.h>
# endif
# endif
# endif
#endif
/*
* The following gobbledygook brought to you on behalf of __STDC__.
* (I could just use #ifndef __STDC__, but this is more bulletproof
* in the face of half-implementations.)
*/
#if defined(I_SYSMODE)
#include <sys/mode.h>
#endif
#ifndef S_IFMT
# ifdef _S_IFMT
# define S_IFMT _S_IFMT
# else
# define S_IFMT 0170000
# endif
#endif
#ifndef S_ISDIR
# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
#endif
#ifndef S_ISCHR
# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
#endif
#ifndef S_ISBLK
# ifdef S_IFBLK
# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
# else
# define S_ISBLK(m) (0)
# endif
#endif
#ifndef S_ISREG
# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
#endif
#ifndef S_ISFIFO
# ifdef S_IFIFO
# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
# else
# define S_ISFIFO(m) (0)
# endif
#endif
#ifndef S_ISLNK
# ifdef _S_ISLNK
# define S_ISLNK(m) _S_ISLNK(m)
# else
# ifdef _S_IFLNK
# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
# else
# ifdef S_IFLNK
# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
# else
# define S_ISLNK(m) (0)
# endif
# endif
# endif
#endif
#ifndef S_ISSOCK
# ifdef _S_ISSOCK
# define S_ISSOCK(m) _S_ISSOCK(m)
# else
# ifdef _S_IFSOCK
# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
# else
# ifdef S_IFSOCK
# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
# else
# define S_ISSOCK(m) (0)
# endif
# endif
# endif
#endif
#ifndef S_IRUSR
# ifdef S_IREAD
# define S_IRUSR S_IREAD
# define S_IWUSR S_IWRITE
# define S_IXUSR S_IEXEC
# else
# define S_IRUSR 0400
# define S_IWUSR 0200
# define S_IXUSR 0100
# endif
#endif
#ifndef S_IRGRP
# ifdef S_IRUSR
# define S_IRGRP (S_IRUSR>>3)
# define S_IWGRP (S_IWUSR>>3)
# define S_IXGRP (S_IXUSR>>3)
# else
# define S_IRGRP 0040
# define S_IWGRP 0020
# define S_IXGRP 0010
# endif
#endif
#ifndef S_IROTH
# ifdef S_IRUSR
# define S_IROTH (S_IRUSR>>6)
# define S_IWOTH (S_IWUSR>>6)
# define S_IXOTH (S_IXUSR>>6)
# else
# define S_IROTH 0040
# define S_IWOTH 0020
# define S_IXOTH 0010
# endif
#endif
#ifndef S_ISUID
# define S_ISUID 04000
#endif
#ifndef S_ISGID
# define S_ISGID 02000
#endif
#ifndef S_IRWXU
# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
#endif
#ifndef S_IRWXG
# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
#endif
#ifndef S_IRWXO
# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
#endif
/* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
* which would get included through <sys/file.h >, but that is 3000
* lines in the future. --jhi */
#if !defined(S_IREAD) && !defined(__HAIKU__)
# define S_IREAD S_IRUSR
#endif
#if !defined(S_IWRITE) && !defined(__HAIKU__)
# define S_IWRITE S_IWUSR
#endif
#ifndef S_IEXEC
# define S_IEXEC S_IXUSR
#endif
#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
# define SLOPPYDIVIDE
#endif
#ifdef UV
#undef UV
#endif
/* For the times when you want the return value of sprintf, and you want it
to be the length. Can't have a thread variable passed in, because C89 has
no varargs macros.
*/
#ifdef SPRINTF_RETURNS_STRLEN
# define my_sprintf sprintf
#else
# define my_sprintf Perl_my_sprintf
#endif
/*
* If we have v?snprintf() and the C99 variadic macros, we can just
* use just the v?snprintf(). It is nice to try to trap the buffer
* overflow, however, so if we are DEBUGGING, and we cannot use the
* gcc statement expressions, then use the function wrappers which try
* to trap the overflow. If we can use the gcc statement expressions,
* we can try that even with the version that uses the C99 variadic
* macros.
*/
/* Note that we do not check against snprintf()/vsnprintf() returning
* negative values because that is non-standard behaviour and we use
* snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
* that should be true only if the snprintf()/vsnprintf() are true
* to the standard. */
#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
# ifdef PERL_USE_GCC_BRACE_GROUPS
# define my_snprintf(buffer, len, ...) ({ int __len__ = snprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak_nocontext("panic: snprintf buffer overflow"); __len__; })
# define PERL_MY_SNPRINTF_GUARDED
# else
# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
# endif
#else
# define my_snprintf Perl_my_snprintf
# define PERL_MY_SNPRINTF_GUARDED
#endif
#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
# ifdef PERL_USE_GCC_BRACE_GROUPS
# define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (Size_t)(len)) Perl_croak_nocontext("panic: vsnprintf buffer overflow"); __len__; })
# define PERL_MY_VSNPRINTF_GUARDED
# else
# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
# endif
#else
# define my_vsnprintf Perl_my_vsnprintf
# define PERL_MY_VSNPRINTF_GUARDED
#endif
#ifdef HAS_STRLCAT
# define my_strlcat strlcat
#else
# define my_strlcat Perl_my_strlcat
#endif
#ifdef HAS_STRLCPY
# define my_strlcpy strlcpy
#else
# define my_strlcpy Perl_my_strlcpy
#endif
/*
The IV type is supposed to be long enough to hold any integral
value or a pointer.
--Andy Dougherty August 1996
*/
typedef IVTYPE IV;
typedef UVTYPE UV;
#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
# define IV_MAX INT64_MAX
# define IV_MIN INT64_MIN
# define UV_MAX UINT64_MAX
# ifndef UINT64_MIN
# define UINT64_MIN 0
# endif
# define UV_MIN UINT64_MIN
# else
# define IV_MAX PERL_QUAD_MAX
# define IV_MIN PERL_QUAD_MIN
# define UV_MAX PERL_UQUAD_MAX
# define UV_MIN PERL_UQUAD_MIN
# endif
# define IV_IS_QUAD
# define UV_IS_QUAD
#else
# if defined(INT32_MAX) && IVSIZE == 4
# define IV_MAX INT32_MAX
# define IV_MIN INT32_MIN
# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
# define UV_MAX UINT32_MAX
# else
# define UV_MAX 4294967295U
# endif
# ifndef UINT32_MIN
# define UINT32_MIN 0
# endif
# define UV_MIN UINT32_MIN
# else
# define IV_MAX PERL_LONG_MAX
# define IV_MIN PERL_LONG_MIN
# define UV_MAX PERL_ULONG_MAX
# define UV_MIN PERL_ULONG_MIN
# endif
# if IVSIZE == 8
# define IV_IS_QUAD
# define UV_IS_QUAD
# ifndef HAS_QUAD
# define HAS_QUAD
# endif
# else
# undef IV_IS_QUAD
# undef UV_IS_QUAD
#if !defined(PERL_CORE) || defined(USING_MSVC6)
/* We think that removing this decade-old undef this will cause too much
breakage on CPAN for too little gain. (See RT #119753)
However, we do need HAS_QUAD in the core for use by the drand48 code,
but not for Win32 VC6 because it has poor __int64 support. */
# undef HAS_QUAD
#endif
# endif
#endif
#define SSize_t_MAX (SSize_t)(~(size_t)0 >> 1)
#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
#ifndef NO_PERL_PRESERVE_IVUV
#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
#endif
/*
* The macros INT2PTR and NUM2PTR are (despite their names)
* bi-directional: they will convert int/float to or from pointers.
* However the conversion to int/float are named explicitly:
* PTR2IV, PTR2UV, PTR2NV.
*
* For int conversions we do not need two casts if pointers are
* the same size as IV and UV. Otherwise we need an explicit
* cast (PTRV) to avoid compiler warnings.
*/
#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
# define PTRV UV
# define INT2PTR(any,d) (any)(d)
#else
# if PTRSIZE == LONGSIZE
# define PTRV unsigned long
# define PTR2ul(p) (unsigned long)(p)
# else
# define PTRV unsigned
# endif
#endif
#ifndef INT2PTR
# define INT2PTR(any,d) (any)(PTRV)(d)
#endif
#ifndef PTR2ul
# define PTR2ul(p) INT2PTR(unsigned long,p)
#endif
#define NUM2PTR(any,d) (any)(PTRV)(d)
#define PTR2IV(p) INT2PTR(IV,p)
#define PTR2UV(p) INT2PTR(UV,p)
#define PTR2NV(p) NUM2PTR(NV,p)
#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
/* According to strict ANSI C89 one cannot freely cast between
* data pointers and function (code) pointers. There are at least
* two ways around this. One (used below) is to do two casts,
* first the other pointer to an (unsigned) integer, and then
* the integer to the other pointer. The other way would be
* to use unions to "overlay" the pointers. For an example of
* the latter technique, see union dirpu in struct xpvio in sv.h.
* The only feasible use is probably temporarily storing
* function pointers in a data pointer (such as a void pointer). */
#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
#ifdef USE_LONG_DOUBLE
# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
# define LONG_DOUBLE_EQUALS_DOUBLE
# endif
# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
# undef USE_LONG_DOUBLE /* Ouch! */
# endif
#endif
#ifdef OVR_DBL_DIG
/* Use an overridden DBL_DIG */
# ifdef DBL_DIG
# undef DBL_DIG
# endif
# define DBL_DIG OVR_DBL_DIG
#else
/* The following is all to get DBL_DIG, in order to pick a nice
default value for printing floating point numbers in Gconvert
(see config.h). (It also has other uses, such as figuring out if
a given precision of printing can be done with a double instead of
a long double - Allen).
*/
#ifdef I_LIMITS
#include <limits.h>
#endif
#ifdef I_FLOAT
#include <float.h>
#endif
#ifndef HAS_DBL_DIG
#define DBL_DIG 15 /* A guess that works lots of places */
#endif
#endif
#ifdef OVR_LDBL_DIG
/* Use an overridden LDBL_DIG */
# ifdef LDBL_DIG
# undef LDBL_DIG
# endif
# define LDBL_DIG OVR_LDBL_DIG
#else
/* The following is all to get LDBL_DIG, in order to pick a nice
default value for printing floating point numbers in Gconvert.
(see config.h)
*/
# ifdef I_LIMITS
# include <limits.h>
# endif
# ifdef I_FLOAT
# include <float.h>
# endif
# ifndef HAS_LDBL_DIG
# if LONG_DOUBLESIZE == 10
# define LDBL_DIG 18 /* assume IEEE */
# else
# if LONG_DOUBLESIZE == 12
# define LDBL_DIG 18 /* gcc? */
# else
# if LONG_DOUBLESIZE == 16
# define LDBL_DIG 33 /* assume IEEE */
# else
# if LONG_DOUBLESIZE == DOUBLESIZE
# define LDBL_DIG DBL_DIG /* bummer */
# endif
# endif
# endif
# endif
# endif
#endif
/*
* This is for making sure we have a good DBL_MAX value, if possible,
* either for usage as NV_MAX or for usage in figuring out if we can
* fit a given long double into a double, if bug-fixing makes it
* necessary to do so. - Allen <allens@cpan.org>
*/
#ifdef I_LIMITS
# include <limits.h>
#endif
#ifdef I_VALUES
# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
# include <values.h>
# if defined(MAXDOUBLE) && !defined(DBL_MAX)
# define DBL_MAX MAXDOUBLE
# endif
# if defined(MINDOUBLE) && !defined(DBL_MIN)
# define DBL_MIN MINDOUBLE
# endif
# endif
#endif /* defined(I_VALUES) */
typedef NVTYPE NV;
#ifdef I_IEEEFP
# include <ieeefp.h>
#endif
#ifdef USE_LONG_DOUBLE
# ifdef I_SUNMATH
# include <sunmath.h>
# endif
# define NV_DIG LDBL_DIG
# ifdef LDBL_MANT_DIG
# define NV_MANT_DIG LDBL_MANT_DIG
# endif
# ifdef LDBL_MIN
# define NV_MIN LDBL_MIN
# endif
# ifdef LDBL_MAX
# define NV_MAX LDBL_MAX
# endif
# ifdef LDBL_MIN_10_EXP
# define NV_MIN_10_EXP LDBL_MIN_10_EXP
# endif
# ifdef LDBL_MAX_10_EXP
# define NV_MAX_10_EXP LDBL_MAX_10_EXP
# endif
# ifdef LDBL_EPSILON
# define NV_EPSILON LDBL_EPSILON
# endif
# ifdef LDBL_MAX
# define NV_MAX LDBL_MAX
/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
# else
# ifdef HUGE_VALL
# define NV_MAX HUGE_VALL
# else
# ifdef HUGE_VAL
# define NV_MAX ((NV)HUGE_VAL)
# endif
# endif
# endif
# ifdef HAS_SQRTL
# define Perl_cos cosl
# define Perl_sin sinl
# define Perl_sqrt sqrtl
# define Perl_exp expl
# define Perl_log logl
# define Perl_atan2 atan2l
# define Perl_pow powl
# define Perl_floor floorl
# define Perl_ceil ceill
# define Perl_fmod fmodl
# endif
/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
# ifdef HAS_MODFL
# define Perl_modf(x,y) modfl(x,y)
/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
prototype in <math.h> */
# ifndef HAS_MODFL_PROTO
EXTERN_C long double modfl(long double, long double *);
# endif
# else
# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
extern long double Perl_my_modfl(long double x, long double *ip);
# define Perl_modf(x,y) Perl_my_modfl(x,y)
# endif
# endif
# ifdef HAS_FREXPL
# define Perl_frexp(x,y) frexpl(x,y)
# else
# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
extern long double Perl_my_frexpl(long double x, int *e);
# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
# endif
# endif
# ifndef Perl_isnan
# ifdef HAS_ISNANL
# define Perl_isnan(x) isnanl(x)
# endif
# endif
# ifndef Perl_isinf
# ifdef HAS_FINITEL
# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
# endif
# endif
#else
# define NV_DIG DBL_DIG
# ifdef DBL_MANT_DIG
# define NV_MANT_DIG DBL_MANT_DIG
# endif
# ifdef DBL_MIN
# define NV_MIN DBL_MIN
# endif
# ifdef DBL_MAX
# define NV_MAX DBL_MAX
# endif
# ifdef DBL_MIN_10_EXP
# define NV_MIN_10_EXP DBL_MIN_10_EXP
# endif
# ifdef DBL_MAX_10_EXP
# define NV_MAX_10_EXP DBL_MAX_10_EXP
# endif
# ifdef DBL_EPSILON
# define NV_EPSILON DBL_EPSILON
# endif
# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
# define NV_MAX DBL_MAX
# define NV_MIN DBL_MIN
# else
# ifdef HUGE_VAL
# define NV_MAX HUGE_VAL
# endif
# endif
# define Perl_cos cos
# define Perl_sin sin
# define Perl_sqrt sqrt
# define Perl_exp exp
# define Perl_log log
# define Perl_atan2 atan2
# define Perl_pow pow
# define Perl_floor floor
# define Perl_ceil ceil
# define Perl_fmod fmod
# define Perl_modf(x,y) modf(x,y)
# define Perl_frexp(x,y) frexp(x,y)
#endif
/* rumor has it that Win32 has _fpclass() */
/* SGI has fpclassl... but not with the same result values,
* and it's via a typedef (not via #define), so will need to redo Configure
* to use. Not worth the trouble, IMO, at least until the below is used
* more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
* with me for the SGI manpages, SGI testing, etcetera, if you want to
* try getting this to work with IRIX. - Allen <allens@cpan.org> */
#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
# ifdef I_IEEFP
# include <ieeefp.h>
# endif
# ifdef I_FP
# include <fp.h>
# endif
# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
# define Perl_fp_class() fpclassl(x)
# else
# define Perl_fp_class() fpclass(x)
# endif
# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
#endif
#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS)
# include <math.h>
# if !defined(FP_SNAN) && defined(I_FP_CLASS)
# include <fp_class.h>
# endif
# define Perl_fp_class(x) fp_class(x)
# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
#endif
#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
# include <math.h>
# define Perl_fp_class(x) fpclassify(x)
# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
#endif
#if !defined(Perl_fp_class) && defined(HAS_CLASS)
# include <math.h>
# ifndef _cplusplus
# define Perl_fp_class(x) class(x)
# else
# define Perl_fp_class(x) _class(x)
# endif
# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
#endif
/* rumor has it that Win32 has _isnan() */
#ifndef Perl_isnan
# ifdef HAS_ISNAN
# define Perl_isnan(x) isnan((NV)x)
# else
# ifdef Perl_fp_class_nan
# define Perl_isnan(x) Perl_fp_class_nan(x)
# else
# ifdef HAS_UNORDERED
# define Perl_isnan(x) unordered((x), 0.0)
# else
# define Perl_isnan(x) ((x)!=(x))
# endif
# endif
# endif
#endif
#ifdef UNDER_CE
int isnan(double d);
#endif
#ifndef Perl_isinf
# ifdef HAS_ISINF
# define Perl_isinf(x) isinf((NV)x)
# else
# ifdef Perl_fp_class_inf
# define Perl_isinf(x) Perl_fp_class_inf(x)
# else
# define Perl_isinf(x) ((x)==NV_INF)
# endif
# endif
#endif
#ifndef Perl_isfinite
# ifdef HAS_FINITE
# define Perl_isfinite(x) finite((NV)x)
# else
# ifdef HAS_ISFINITE
# define Perl_isfinite(x) isfinite(x)
# else
# ifdef Perl_fp_class_finite
# define Perl_isfinite(x) Perl_fp_class_finite(x)
# else
# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
# endif
# endif
# endif
#endif
/* The default is to use Perl's own atof() implementation (in numeric.c).
* Usually that is the one to use but for some platforms (e.g. UNICOS)
* it is however best to use the native implementation of atof.
* You can experiment with using your native one by -DUSE_PERL_ATOF=0.
* Some good tests to try out with either setting are t/base/num.t,
* t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
* you may need to be using a different function than atof! */
#ifndef USE_PERL_ATOF
# ifndef _UNICOS
# define USE_PERL_ATOF
# endif
#else
# if USE_PERL_ATOF == 0
# undef USE_PERL_ATOF
# endif
#endif
#ifdef USE_PERL_ATOF
# define Perl_atof(s) Perl_my_atof(s)
# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
#else
# define Perl_atof(s) (NV)atof(s)
# define Perl_atof2(s, n) ((n) = atof(s))
#endif
/* Previously these definitions used hardcoded figures.
* It is hoped these formula are more portable, although
* no data one way or another is presently known to me.
* The "PERL_" names are used because these calculated constants
* do not meet the ANSI requirements for LONG_MAX, etc., which
* need to be constants acceptable to #if - kja
* define PERL_LONG_MAX 2147483647L
* define PERL_LONG_MIN (-LONG_MAX - 1)
* define PERL ULONG_MAX 4294967295L
*/
#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
# include <limits.h>
#endif
/* Included values.h above if necessary; still including limits.h down here,
* despite doing above, because math.h might have overridden... XXX - Allen */
/*
* Try to figure out max and min values for the integral types. THE CORRECT
* SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
* following hacks are used if neither limits.h or values.h provide them:
* U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
* for types < int: (unsigned TYPE)~(unsigned)0
* The argument to ~ must be unsigned so that later signed->unsigned
* conversion can't modify the value's bit pattern (e.g. -0 -> +0),
* and it must not be smaller than int because ~ does integral promotion.
* <type>_MAX: (<type>) (U<type>_MAX >> 1)
* <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
* The latter is a hack which happens to work on some machines but
* does *not* catch any random system, or things like integer types
* with NaN if that is possible.
*
* All of the types are explicitly cast to prevent accidental loss of
* numeric range, and in the hope that they will be less likely to confuse
* over-eager optimizers.
*
*/
#define PERL_UCHAR_MIN ((unsigned char)0)
#ifdef UCHAR_MAX
# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
#else
# ifdef MAXUCHAR
# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
# else
# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
# endif
#endif
/*
* CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
* ambiguous. It may be equivalent to (signed char) or (unsigned char)
* depending on local options. Until Configure detects this (or at least
* detects whether the "signed" keyword is available) the CHAR ranges
* will not be included. UCHAR functions normally.
* - kja
*/
#define PERL_USHORT_MIN ((unsigned short)0)
#ifdef USHORT_MAX
# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
#else
# ifdef MAXUSHORT
# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
# else
# ifdef USHRT_MAX
# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
# else
# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
# endif
# endif
#endif
#ifdef SHORT_MAX
# define PERL_SHORT_MAX ((short)SHORT_MAX)
#else
# ifdef MAXSHORT /* Often used in <values.h> */
# define PERL_SHORT_MAX ((short)MAXSHORT)
# else
# ifdef SHRT_MAX
# define PERL_SHORT_MAX ((short)SHRT_MAX)
# else
# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
# endif
# endif
#endif
#ifdef SHORT_MIN
# define PERL_SHORT_MIN ((short)SHORT_MIN)
#else
# ifdef MINSHORT
# define PERL_SHORT_MIN ((short)MINSHORT)
# else
# ifdef SHRT_MIN
# define PERL_SHORT_MIN ((short)SHRT_MIN)
# else
# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
# endif
# endif
#endif
#ifdef UINT_MAX
# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
#else
# ifdef MAXUINT
# define PERL_UINT_MAX ((unsigned int)MAXUINT)
# else
# define PERL_UINT_MAX (~(unsigned int)0)
# endif
#endif
#define PERL_UINT_MIN ((unsigned int)0)
#ifdef INT_MAX
# define PERL_INT_MAX ((int)INT_MAX)
#else
# ifdef MAXINT /* Often used in <values.h> */
# define PERL_INT_MAX ((int)MAXINT)
# else
# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
# endif
#endif
#ifdef INT_MIN
# define PERL_INT_MIN ((int)INT_MIN)
#else
# ifdef MININT
# define PERL_INT_MIN ((int)MININT)
# else
# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
# endif
#endif
#ifdef ULONG_MAX
# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
#else
# ifdef MAXULONG
# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
# else
# define PERL_ULONG_MAX (~(unsigned long)0)
# endif
#endif
#define PERL_ULONG_MIN ((unsigned long)0L)
#ifdef LONG_MAX
# define PERL_LONG_MAX ((long)LONG_MAX)
#else
# ifdef MAXLONG /* Often used in <values.h> */
# define PERL_LONG_MAX ((long)MAXLONG)
# else
# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
# endif
#endif
#ifdef LONG_MIN
# define PERL_LONG_MIN ((long)LONG_MIN)
#else
# ifdef MINLONG
# define PERL_LONG_MIN ((long)MINLONG)
# else
# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
# endif
#endif
#ifdef UV_IS_QUAD
# define PERL_UQUAD_MAX (~(UV)0)
# define PERL_UQUAD_MIN ((UV)0)
# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
#endif
typedef MEM_SIZE STRLEN;
#ifdef PERL_MAD
typedef struct token TOKEN;
typedef struct madprop MADPROP;
typedef struct nexttoken NEXTTOKE;
#endif
typedef struct op OP;
typedef struct cop COP;
typedef struct unop UNOP;
typedef struct binop BINOP;
typedef struct listop LISTOP;
typedef struct logop LOGOP;
typedef struct pmop PMOP;
typedef struct svop SVOP;
typedef struct padop PADOP;
typedef struct pvop PVOP;
typedef struct loop LOOP;
#ifdef PERL_CORE
typedef struct opslab OPSLAB;
typedef struct opslot OPSLOT;
#endif
typedef struct block_hooks BHK;
typedef struct custom_op XOP;
typedef struct interpreter PerlInterpreter;
/* SGI's <sys/sema.h> has struct sv */
#if defined(__sgi)
# define STRUCT_SV perl_sv
#else
# define STRUCT_SV sv
#endif
typedef struct STRUCT_SV SV;
typedef struct av AV;
typedef struct hv HV;
typedef struct cv CV;
typedef struct p5rx REGEXP;
typedef struct gp GP;
typedef struct gv GV;
typedef struct io IO;
typedef struct context PERL_CONTEXT;
typedef struct block BLOCK;
typedef struct magic MAGIC;
typedef struct xpv XPV;
typedef struct xpviv XPVIV;
typedef struct xpvuv XPVUV;
typedef struct xpvnv XPVNV;
typedef struct xpvmg XPVMG;
typedef struct xpvlv XPVLV;
typedef struct xpvinvlist XINVLIST;
typedef struct xpvav XPVAV;
typedef struct xpvhv XPVHV;
typedef struct xpvgv XPVGV;
typedef struct xpvcv XPVCV;
typedef struct xpvbm XPVBM;
typedef struct xpvfm XPVFM;
typedef struct xpvio XPVIO;
typedef struct mgvtbl MGVTBL;
typedef union any ANY;
typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
typedef struct ptr_tbl PTR_TBL_t;
typedef struct clone_params CLONE_PARAMS;
/* a pad or name pad is currently just an AV; but that might change,
* so hide the type. */
typedef struct padlist PADLIST;
typedef AV PAD;
typedef AV PADNAMELIST;
typedef SV PADNAME;
/* enable PERL_NEW_COPY_ON_WRITE by default */
#if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
# define PERL_NEW_COPY_ON_WRITE
#endif
#if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
# if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
# error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
# else
# define PERL_ANY_COW
# endif
#else
# define PERL_SAWAMPERSAND
#endif
#include "handy.h"
#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
# define USE_64_BIT_RAWIO /* implicit */
# endif
#endif
/* Notice the use of HAS_FSEEKO: now we are obligated to always use
* fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
* however, because operating systems like to do that themself. */
#ifndef FSEEKSIZE
# ifdef HAS_FSEEKO
# define FSEEKSIZE LSEEKSIZE
# else
# define FSEEKSIZE LONGSIZE
# endif
#endif
#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
# define USE_64_BIT_STDIO /* implicit */
# endif
#endif
#ifdef USE_64_BIT_RAWIO
# ifdef HAS_OFF64_T
# undef Off_t
# define Off_t off64_t
# undef LSEEKSIZE
# define LSEEKSIZE 8
# endif
/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
* will trigger defines like the ones below. Some 64-bit environments,
* however, do not. Therefore we have to explicitly mix and match. */
# if defined(USE_OPEN64)
# define open open64
# endif
# if defined(USE_LSEEK64)
# define lseek lseek64
# else
# if defined(USE_LLSEEK)
# define lseek llseek
# endif
# endif
# if defined(USE_STAT64)
# define stat stat64
# endif
# if defined(USE_FSTAT64)
# define fstat fstat64
# endif
# if defined(USE_LSTAT64)
# define lstat lstat64
# endif
# if defined(USE_FLOCK64)
# define flock flock64
# endif
# if defined(USE_LOCKF64)
# define lockf lockf64
# endif
# if defined(USE_FCNTL64)
# define fcntl fcntl64
# endif
# if defined(USE_TRUNCATE64)
# define truncate truncate64
# endif
# if defined(USE_FTRUNCATE64)
# define ftruncate ftruncate64
# endif
#endif
#ifdef USE_64_BIT_STDIO
# ifdef HAS_FPOS64_T
# undef Fpos_t
# define Fpos_t fpos64_t
# endif
/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
* will trigger defines like the ones below. Some 64-bit environments,
* however, do not. */
# if defined(USE_FOPEN64)
# define fopen fopen64
# endif
# if defined(USE_FSEEK64)
# define fseek fseek64 /* don't do fseeko here, see perlio.c */
# endif
# if defined(USE_FTELL64)
# define ftell ftell64 /* don't do ftello here, see perlio.c */
# endif
# if defined(USE_FSETPOS64)
# define fsetpos fsetpos64
# endif
# if defined(USE_FGETPOS64)
# define fgetpos fgetpos64
# endif
# if defined(USE_TMPFILE64)
# define tmpfile tmpfile64
# endif
# if defined(USE_FREOPEN64)
# define freopen freopen64
# endif
#endif
#if defined(OS2)
# include "iperlsys.h"
#endif
#ifdef DOSISH
# if defined(OS2)
# include "os2ish.h"
# else
# include "dosish.h"
# endif
#elif defined(VMS)
# include "vmsish.h"
#elif defined(PLAN9)
# include "./plan9/plan9ish.h"
#elif defined(__VOS__)
# ifdef __GNUC__
# include "./vos/vosish.h"
# else
# include "vos/vosish.h"
# endif
#elif defined(__SYMBIAN32__)
# include "symbian/symbianish.h"
#elif defined(__HAIKU__)
# include "haiku/haikuish.h"
#else
# include "unixish.h"
#endif
/* NSIG logic from Configure --> */
/* Strange style to avoid deeply-nested #if/#else/#endif */
#ifndef NSIG
# ifdef _NSIG
# define NSIG (_NSIG)
# endif
#endif
#ifndef NSIG
# ifdef SIGMAX
# define NSIG (SIGMAX+1)
# endif
#endif
#ifndef NSIG
# ifdef SIG_MAX
# define NSIG (SIG_MAX+1)
# endif
#endif
#ifndef NSIG
# ifdef _SIG_MAX
# define NSIG (_SIG_MAX+1)
# endif
#endif
#ifndef NSIG
# ifdef MAXSIG
# define NSIG (MAXSIG+1)
# endif
#endif
#ifndef NSIG
# ifdef MAX_SIG
# define NSIG (MAX_SIG+1)
# endif
#endif
#ifndef NSIG
# ifdef SIGARRAYSIZE
# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
# endif
#endif
#ifndef NSIG
# ifdef _sys_nsig
# define NSIG (_sys_nsig) /* Solaris 2.5 */
# endif
#endif
/* Default to some arbitrary number that's big enough to get most
of the common signals.
*/
#ifndef NSIG
# define NSIG 50
#endif
/* <-- NSIG logic from Configure */
#ifndef NO_ENVIRON_ARRAY
# define USE_ENVIRON_ARRAY
#endif
/*
* initialise to avoid floating-point exceptions from overflow, etc
*/
#ifndef PERL_FPU_INIT
# ifdef HAS_FPSETMASK
# if HAS_FLOATINGPOINT_H
# include <floatingpoint.h>
# endif
/* Some operating systems have this as a macro, which in turn expands to a comma
expression, and the last sub-expression is something that gets calculated,
and then they have the gall to warn that a value computed is not used. Hence
cast to void. */
# define PERL_FPU_INIT (void)fpsetmask(0)
# else
# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
# else
# define PERL_FPU_INIT
# endif
# endif
#endif
#ifndef PERL_FPU_PRE_EXEC
# define PERL_FPU_PRE_EXEC {
# define PERL_FPU_POST_EXEC }
#endif
#ifndef PERL_SYS_INIT3_BODY
# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
#endif
/*
=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
Provides system-specific tune up of the C runtime environment necessary to
run Perl interpreters. This should be called only once, before creating
any Perl interpreters.
=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
Provides system-specific tune up of the C runtime environment necessary to
run Perl interpreters. This should be called only once, before creating
any Perl interpreters.
=for apidoc Am|void|PERL_SYS_TERM|
Provides system-specific clean up of the C runtime environment after
running Perl interpreters. This should be called only once, after
freeing any remaining Perl interpreters.
=cut
*/
#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
#define PERL_SYS_TERM() Perl_sys_term()
#ifndef PERL_WRITE_MSG_TO_CONSOLE
# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
#endif
#ifndef MAXPATHLEN
# ifdef PATH_MAX
# ifdef _POSIX_PATH_MAX
# if PATH_MAX > _POSIX_PATH_MAX
/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
* included the null byte or not. Later amendments of POSIX,
* XPG4, the Austin Group, and the Single UNIX Specification
* all explicitly include the null byte in the PATH_MAX.
* Ditto for _POSIX_PATH_MAX. */
# define MAXPATHLEN PATH_MAX
# else
# define MAXPATHLEN _POSIX_PATH_MAX
# endif
# else
# define MAXPATHLEN (PATH_MAX+1)
# endif
# else
# define MAXPATHLEN 1024 /* Err on the large side. */
# endif
#endif
/* In case Configure was not used (we are using a "canned config"
* such as Win32, or a cross-compilation setup, for example) try going
* by the gcc major and minor versions. One useful URL is
* http://www.ohse.de/uwe/articles/gcc-attributes.html,
* but contrary to this information warn_unused_result seems
* not to be in gcc 3.3.5, at least. --jhi
* Also, when building extensions with an installed perl, this allows
* the user to upgrade gcc and get the right attributes, rather than
* relying on the list generated at Configure time. --AD
* Set these up now otherwise we get confused when some of the <*thread.h>
* includes below indirectly pull in <perlio.h> (which needs to know if we
* have HASATTRIBUTE_FORMAT).
*/
#ifndef PERL_MICRO
#if defined __GNUC__ && !defined(__INTEL_COMPILER)
# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
# define HASATTRIBUTE_DEPRECATED
# endif
# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
# define HASATTRIBUTE_FORMAT
# if defined __MINGW32__
# define PRINTF_FORMAT_NULL_OK
# endif
# endif
# if __GNUC__ >= 3 /* 3.0 -> */
# define HASATTRIBUTE_MALLOC
# endif
# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
# define HASATTRIBUTE_NONNULL
# endif
# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
# define HASATTRIBUTE_NORETURN
# endif
# if __GNUC__ >= 3 /* gcc 3.0 -> */
# define HASATTRIBUTE_PURE
# endif
# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
# define HASATTRIBUTE_UNUSED
# endif
# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
# endif
# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
# define HASATTRIBUTE_WARN_UNUSED_RESULT
# endif
#endif
#endif /* #ifndef PERL_MICRO */
/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
* <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
* this results in many functions being undeclared which bothers C++
* May make sense to have threads after "*ish.h" anyway
*/
#if defined(USE_ITHREADS)
# ifdef NETWARE
# include <nw5thread.h>
# else
# ifdef WIN32
# include <win32thread.h>
# else
# ifdef OS2
# include "os2thread.h"
# else
# ifdef I_MACH_CTHREADS
# include <mach/cthreads.h>
# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
# define MUTEX_INIT_CALLS_MALLOC
# endif
typedef cthread_t perl_os_thread;
typedef mutex_t perl_mutex;
typedef condition_t perl_cond;
typedef void * perl_key;
# else /* Posix threads */
# ifdef I_PTHREAD
# include <pthread.h>
# endif
typedef pthread_t perl_os_thread;
typedef pthread_mutex_t perl_mutex;
typedef pthread_cond_t perl_cond;
typedef pthread_key_t perl_key;
# endif /* I_MACH_CTHREADS */
# endif /* OS2 */
# endif /* WIN32 */
# endif /* NETWARE */
#endif /* USE_ITHREADS */
#if defined(WIN32)
# include "win32.h"
#endif
#ifdef NETWARE
# include "netware.h"
#endif
#define STATUS_UNIX PL_statusvalue
#ifdef VMS
# define STATUS_NATIVE PL_statusvalue_vms
/*
* vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
* its contents can not be trusted. Unfortunately, Perl seems to check
* it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
* be updated also.
*/
# include <stsdef.h>
# include <ssdef.h>
/* Presume this because if VMS changes it, it will require a new
* set of APIs for waiting on children for binary compatibility.
*/
# define child_offset_bits (8)
# ifndef C_FAC_POSIX
# define C_FAC_POSIX 0x35A000
# endif
/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
* platform from the existing UNIX or Native status values.
*/
# define STATUS_EXIT \
(((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
(VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
* exit code and shifts the UNIX value over the correct number of bits to
* be a child status. Usually the number of bits is 8, but that could be
* platform dependent. The NATIVE status code is presumed to have either
* from a child process.
*/
/* This is complicated. The child processes return a true native VMS
status which must be saved. But there is an assumption in Perl that
the UNIX child status has some relationship to errno values, so
Perl tries to translate it to text in some of the tests.
In order to get the string translation correct, for the error, errno
must be EVMSERR, but that generates a different text message
than what the test programs are expecting. So an errno value must
be derived from the native status value when an error occurs.
That will hide the true native status message. With this version of
perl, the true native child status can always be retrieved so that
is not a problem. But in this case, Pl_statusvalue and errno may
have different values in them.
*/
# define STATUS_NATIVE_CHILD_SET(n) \
STMT_START { \
I32 evalue = (I32)n; \
if (evalue == EVMSERR) { \
PL_statusvalue_vms = vaxc$errno; \
PL_statusvalue = evalue; \
} else { \
PL_statusvalue_vms = evalue; \
if (evalue == -1) { \
PL_statusvalue = -1; \
PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
} else \
PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
set_vaxc_errno(evalue); \
if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
set_errno(EVMSERR); \
else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
PL_statusvalue = PL_statusvalue << child_offset_bits; \
} \
} STMT_END
# ifdef VMSISH_STATUS
# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
# else
# define STATUS_CURRENT STATUS_UNIX
# endif
/* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
* the NATIVE status to an equivalent value. Can not be used to translate
* exit code values as exit code values are not guaranteed to have any
* relationship at all to errno values.
* This is used when Perl is forcing errno to have a specific value.
*/
# define STATUS_UNIX_SET(n) \
STMT_START { \
I32 evalue = (I32)n; \
PL_statusvalue = evalue; \
if (PL_statusvalue != -1) { \
if (PL_statusvalue != EVMSERR) { \
PL_statusvalue &= 0xFFFF; \
if (MY_POSIX_EXIT) \
PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
} \
else { \
PL_statusvalue_vms = vaxc$errno; \
} \
} \
else PL_statusvalue_vms = SS$_ABORT; \
set_vaxc_errno(PL_statusvalue_vms); \
} STMT_END
/* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
* the NATIVE error status based on it.
*
* When in the default mode to comply with the Perl VMS documentation,
* 0 is a success and any other code sets the NATIVE status to a failure
* code of SS$_ABORT.
*
* In the new POSIX EXIT mode, native status will be set so that the
* actual exit code will can be retrieved by the calling program or
* shell.
*
* If the exit code is not clearly a UNIX parent or child exit status,
* it will be passed through as a VMS status.
*/
# define STATUS_UNIX_EXIT_SET(n) \
STMT_START { \
I32 evalue = (I32)n; \
PL_statusvalue = evalue; \
if (MY_POSIX_EXIT) { \
if (evalue <= 0xFF00) { \
if (evalue > 0xFF) \
evalue = (evalue >> child_offset_bits) & 0xFF; \
PL_statusvalue_vms = \
(C_FAC_POSIX | (evalue << 3 ) | \
((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
} else /* forgive them Perl, for they have sinned */ \
PL_statusvalue_vms = evalue; \
} else { \
if (evalue == 0) \
PL_statusvalue_vms = SS$_NORMAL; \
else if (evalue <= 0xFF00) \
PL_statusvalue_vms = SS$_ABORT; \
else { /* forgive them Perl, for they have sinned */ \
if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
else PL_statusvalue_vms = vaxc$errno; \
/* And obviously used a VMS status value instead of UNIX */ \
PL_statusvalue = EVMSERR; \
} \
set_vaxc_errno(PL_statusvalue_vms); \
} \
} STMT_END
/* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
* and sets the NATIVE error status based on it. This special case
* is needed to maintain compatibility with past VMS behavior.
*
* In the default mode on VMS, this number is passed through as
* both the NATIVE and UNIX status. Which makes it different
* that the STATUS_UNIX_EXIT_SET.
*
* In the new POSIX EXIT mode, native status will be set so that the
* actual exit code will can be retrieved by the calling program or
* shell.
*
* A POSIX exit code is from 0 to 255. If the exit code is higher
* than this, it needs to be assumed that it is a VMS exit code and
* passed through.
*/
# define STATUS_EXIT_SET(n) \
STMT_START { \
I32 evalue = (I32)n; \
PL_statusvalue = evalue; \
if (MY_POSIX_EXIT) \
if (evalue > 255) PL_statusvalue_vms = evalue; else { \
PL_statusvalue_vms = \
(C_FAC_POSIX | (evalue << 3 ) | \
((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
else \
PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
set_vaxc_errno(PL_statusvalue_vms); \
} STMT_END
/* This macro forces a success status */
# define STATUS_ALL_SUCCESS \
(PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
/* This macro forces a failure status */
# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
(C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
#else
# define STATUS_NATIVE PL_statusvalue_posix
# if defined(WCOREDUMP)
# define STATUS_NATIVE_CHILD_SET(n) \
STMT_START { \
PL_statusvalue_posix = (n); \
if (PL_statusvalue_posix == -1) \
PL_statusvalue = -1; \
else { \
PL_statusvalue = \
(WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
(WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
(WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
} \
} STMT_END
# elif defined(WIFEXITED)
# define STATUS_NATIVE_CHILD_SET(n) \
STMT_START { \
PL_statusvalue_posix = (n); \
if (PL_statusvalue_posix == -1) \
PL_statusvalue = -1; \
else { \
PL_statusvalue = \
(WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
(WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
} \
} STMT_END
# else
# define STATUS_NATIVE_CHILD_SET(n) \
STMT_START { \
PL_statusvalue_posix = (n); \
if (PL_statusvalue_posix == -1) \
PL_statusvalue = -1; \
else { \
PL_statusvalue = \
PL_statusvalue_posix & 0xFFFF; \
} \
} STMT_END
# endif
# define STATUS_UNIX_SET(n) \
STMT_START { \
PL_statusvalue = (n); \
if (PL_statusvalue != -1) \
PL_statusvalue &= 0xFFFF; \
} STMT_END
# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
# define STATUS_CURRENT STATUS_UNIX
# define STATUS_EXIT STATUS_UNIX
# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
#endif
/* flags in PL_exit_flags for nature of exit() */
#define PERL_EXIT_EXPECTED 0x01
#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
#define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
#define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
#ifndef PERL_CORE
/* format to use for version numbers in file/directory names */
/* XXX move to Configure? */
/* This was only ever used for the current version, and that can be done at
compile time, as PERL_FS_VERSION, so should we just delete it? */
# ifndef PERL_FS_VER_FMT
# define PERL_FS_VER_FMT "%d.%d.%d"
# endif
#endif
#ifndef PERL_FS_VERSION
# define PERL_FS_VERSION PERL_VERSION_STRING
#endif
/* This defines a way to flush all output buffers. This may be a
* performance issue, so we allow people to disable it. Also, if
* we are using stdio, there are broken implementations of fflush(NULL)
* out there, Solaris being the most prominent.
*/
#ifndef PERL_FLUSHALL_FOR_CHILD
# if defined(USE_PERLIO) || defined(FFLUSH_NULL)
# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
# else
# ifdef FFLUSH_ALL
# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
# else
# define PERL_FLUSHALL_FOR_CHILD NOOP
# endif
# endif
#endif
#ifndef PERL_WAIT_FOR_CHILDREN
# define PERL_WAIT_FOR_CHILDREN NOOP
#endif
/* the traditional thread-unsafe notion of "current interpreter". */
#ifndef PERL_SET_INTERP
# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
#endif
#ifndef PERL_GET_INTERP
# define PERL_GET_INTERP (PL_curinterp)
#endif
#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
# ifdef MULTIPLICITY
# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
# endif
# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
#endif
/*
This replaces the previous %_ "hack" by the "%p" hacks.
All that is required is that the perl source does not
use "%-p" or "%-<number>p" or "%<number>p" formats.
These formats will still work in perl code.
See comments in sv.c for further details.
Robin Barker 2005-07-14
No longer use %1p for VDf = %vd. RMB 2007-10-19
*/
#ifndef SVf_
# define SVf_(n) "-" STRINGIFY(n) "p"
#endif
#ifndef SVf
# define SVf "-p"
#endif
#ifndef SVf32
# define SVf32 SVf_(32)
#endif
#ifndef SVf256
# define SVf256 SVf_(256)
#endif
#define SVfARG(p) ((void*)(p))
#ifndef HEKf
# define HEKf "2p"
#endif
/* Not ideal, but we cannot easily include a number in an already-numeric
* format sequence. */
#ifndef HEKf256
# define HEKf256 "3p"
#endif
#define HEKfARG(p) ((void*)(p))
/* Takes three arguments: is_utf8, length, str */
#ifndef UTF8f
# define UTF8f "d%" UVuf "%4p"
#endif
#define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
#ifdef PERL_CORE
/* not used; but needed for backward compatibility with XS code? - RMB */
# undef UVf
#else
# ifndef UVf
# define UVf UVuf
# endif
#endif
#ifdef HASATTRIBUTE_DEPRECATED
# define __attribute__deprecated__ __attribute__((deprecated))
#endif
#ifdef HASATTRIBUTE_FORMAT
# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
#endif
#ifdef HASATTRIBUTE_MALLOC
# define __attribute__malloc__ __attribute__((__malloc__))
#endif
#ifdef HASATTRIBUTE_NONNULL
# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
#endif
#ifdef HASATTRIBUTE_NORETURN
# define __attribute__noreturn__ __attribute__((noreturn))
#endif
#ifdef HASATTRIBUTE_PURE
# define __attribute__pure__ __attribute__((pure))
#endif
#ifdef HASATTRIBUTE_UNUSED
# define __attribute__unused__ __attribute__((unused))
#endif
#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
#endif
/* If we haven't defined the attributes yet, define them to blank. */
#ifndef __attribute__deprecated__
# define __attribute__deprecated__
#endif
#ifndef __attribute__format__
# define __attribute__format__(x,y,z)
#endif
#ifndef __attribute__malloc__
# define __attribute__malloc__
#endif
#ifndef __attribute__nonnull__
# define __attribute__nonnull__(a)
#endif
#ifndef __attribute__noreturn__
# define __attribute__noreturn__
#endif
#ifndef __attribute__pure__
# define __attribute__pure__
#endif
#ifndef __attribute__unused__
# define __attribute__unused__
#endif
#ifndef __attribute__warn_unused_result__
# define __attribute__warn_unused_result__
#endif
/* For functions that are marked as __attribute__noreturn__, it's not
appropriate to call return. In either case, include the lint directive.
*/
#ifdef HASATTRIBUTE_NORETURN
# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */
#else
# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */ return 0
#endif
/* Some OS warn on NULL format to printf */
#ifdef PRINTF_FORMAT_NULL_OK
# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
#else
# define __attribute__format__null_ok__(x,y,z)
#endif
#ifdef HAS_BUILTIN_EXPECT
# define EXPECT(expr,val) __builtin_expect(expr,val)
#else
# define EXPECT(expr,val) (expr)
#endif
#define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
#define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
#ifdef HAS_BUILTIN_CHOOSE_EXPR
/* placeholder */
#endif
#ifndef __has_builtin
# define __has_builtin(x) 0 /* not a clang style compiler */
#endif
/* ASSUME is like assert(), but it has a benefit in a release build. It is a
hint to a compiler about a statement of fact in a function call free
expression, which allows the compiler to generate better machine code.
In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
the control path is unreachable. In a for loop, ASSUME can be used to hint
that a loop will run atleast X times. ASSUME is based off MSVC's __assume
intrinsic function, see its documents for more details.
*/
#ifndef DEBUGGING
# if __has_builtin(__builtin_unreachable) \
|| (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 5) /* 4.5 -> */
# define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
# elif defined(_MSC_VER)
# define ASSUME(x) __assume(x)
# elif defined(__ARMCC_VERSION) /* untested */
# define ASSUME(x) __promise(x)
# else
/* a random compiler might define assert to its own special optimization token
so pass it through to C lib as a last resort */
# define ASSUME(x) assert(x)
# endif
#else
# define ASSUME(x) assert(x)
#endif
#define NOT_REACHED ASSUME(0)
/* Some unistd.h's give a prototype for pause() even though
HAS_PAUSE ends up undefined. This causes the #define
below to be rejected by the compiler. Sigh.
*/
#ifdef HAS_PAUSE
#define Pause pause
#else
#define Pause() sleep((32767<<16)+32767)
#endif
#ifndef IOCPARM_LEN
# ifdef IOCPARM_MASK
/* on BSDish systems we're safe */
# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
# else
# if defined(_IOC_SIZE) && defined(__GLIBC__)
/* on Linux systems we're safe; except when we're not [perl #38223] */
# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
# else
/* otherwise guess at what's safe */
# define IOCPARM_LEN(x) 256
# endif
# endif
#endif
#if defined(__CYGWIN__)
/* USEMYBINMODE
* This symbol, if defined, indicates that the program should
* use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
* that a file is in "binary" mode -- that is, that no translation
* of bytes occurs on read or write operations.
*/
# define USEMYBINMODE /**/
# include <io.h> /* for setmode() prototype */
# define my_binmode(fp, iotype, mode) \
(PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
#endif
#ifdef __CYGWIN__
void init_os_extras(void);
#endif
#ifdef UNION_ANY_DEFINITION
UNION_ANY_DEFINITION;
#else
union any {
void* any_ptr;
I32 any_i32;
U32 any_u32;
IV any_iv;
UV any_uv;
long any_long;
bool any_bool;
void (*any_dptr) (void*);
void (*any_dxptr) (pTHX_ void*);
};
#endif
typedef I32 (*filter_t) (pTHX_ int, SV *, int);
#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
#define FILTER_DATA(idx) \
(PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
#define FILTER_ISREADER(idx) \
(PL_parser && PL_parser->rsfp_filters \
&& idx >= AvFILLp(PL_parser->rsfp_filters))
#define PERL_FILTER_EXISTS(i) \
(PL_parser && PL_parser->rsfp_filters \
&& (i) <= av_tindex(PL_parser->rsfp_filters))
#if defined(_AIX) && !defined(_AIX43)
#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
/* We cannot include <crypt.h> to get the struct crypt_data
* because of setkey prototype problems when threading */
typedef struct crypt_data { /* straight from /usr/include/crypt.h */
/* From OSF, Not needed in AIX
char C[28], D[28];
*/
char E[48];
char KS[16][48];
char block[66];
char iobuf[16];
} CRYPTD;
#endif /* threading */
#endif /* AIX */
#if !defined(OS2)
# include "iperlsys.h"
#endif
#ifdef __LIBCATAMOUNT__
#undef HAS_PASSWD /* unixish.h but not unixish enough. */
#undef HAS_GROUP
#define FAKE_BIT_BUCKET
#endif
/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
* Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
* defined by Configure, despite their names being similar to the
* other defines like USE_ITHREADS. Configure in fact knows nothing
* about the randomised hashes. Therefore to enable/disable the hash
* randomisation defines use the Configure -Accflags=... instead. */
#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
# define USE_HASH_SEED
#endif
/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
* 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
* it's not really needed.
*/
#if defined(WIN32)
# define YYTOKENTYPE
#endif
#include "perly.h"
#ifdef PERL_MAD
struct nexttoken {
YYSTYPE next_val; /* value of next token, if any */
I32 next_type; /* type of next token */
MADPROP *next_mad; /* everything else about that token */
};
#endif
/* macros to define bit-fields in structs. */
#ifndef PERL_BITFIELD8
# define PERL_BITFIELD8 unsigned
#endif
#ifndef PERL_BITFIELD16
# define PERL_BITFIELD16 unsigned
#endif
#ifndef PERL_BITFIELD32
# define PERL_BITFIELD32 unsigned
#endif
#include "sv.h"
#include "regexp.h"
#include "util.h"
#include "form.h"
#include "gv.h"
#include "pad.h"
#include "cv.h"
#include "opnames.h"
#include "op.h"
#include "hv.h"
#include "cop.h"
#include "av.h"
#include "mg.h"
#include "scope.h"
#include "warnings.h"
#include "utf8.h"
/* these would be in doio.h if there was such a file */
#define my_stat() my_stat_flags(SV_GMAGIC)
#define my_lstat() my_lstat_flags(SV_GMAGIC)
/* defined in sv.c, but also used in [ach]v.c */
#undef _XPV_HEAD
#undef _XPVMG_HEAD
#undef _XPVCV_COMMON
typedef struct _sublex_info SUBLEXINFO;
struct _sublex_info {
U8 super_state; /* lexer state to save */
U16 sub_inwhat; /* "lex_inwhat" to use */
OP *sub_op; /* "lex_op" to use */
SV *repl; /* replacement of s/// or y/// */
};
#include "parser.h"
typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
#if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
/* These have to be predeclared, as they are used in proto.h which is #included
* before their definitions in regcomp.h. */
struct scan_data_t;
typedef struct regnode_charclass regnode_charclass;
struct regnode_charclass_class;
/* A hopefully less confusing name. The sub-classes are all Posix classes only
* used under /l matching */
typedef struct regnode_charclass_class regnode_charclass_posixl;
typedef struct regnode_ssc regnode_ssc;
typedef struct RExC_state_t RExC_state_t;
struct _reg_trie_data;
#endif
struct ptr_tbl_ent {
struct ptr_tbl_ent* next;
const void* oldval;
void* newval;
};
struct ptr_tbl {
struct ptr_tbl_ent** tbl_ary;
UV tbl_max;
UV tbl_items;
struct ptr_tbl_arena *tbl_arena;
struct ptr_tbl_ent *tbl_arena_next;
struct ptr_tbl_ent *tbl_arena_end;
};
#if defined(htonl) && !defined(HAS_HTONL)
#define HAS_HTONL
#endif
#if defined(htons) && !defined(HAS_HTONS)
#define HAS_HTONS
#endif
#if defined(ntohl) && !defined(HAS_NTOHL)
#define HAS_NTOHL
#endif
#if defined(ntohs) && !defined(HAS_NTOHS)
#define HAS_NTOHS
#endif
#ifndef HAS_HTONL
#define HAS_HTONS
#define HAS_HTONL
#define HAS_NTOHS
#define HAS_NTOHL
# if (BYTEORDER & 0xffff) == 0x4321
/* Big endian system, so ntohl, ntohs, htonl and htons do not need to
re-order their values. However, to behave identically to the alternative
implementations, they should truncate to the correct size. */
# define ntohl(x) ((x)&0xFFFFFFFF)
# define htonl(x) ntohl(x)
# define ntohs(x) ((x)&0xFFFF)
# define htons(x) ntohs(x)
# elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
/* Note that we can't straight out declare our own htonl and htons because
the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
to avoid the overhead of initialising the socket subsystem, but the headers
that *declare* the various functions are still seen. If we declare our own
htonl etc they will clash with the declarations in the Win32 headers. */
PERL_STATIC_INLINE U32
my_swap32(const U32 x) {
return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
| ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
}
PERL_STATIC_INLINE U16
my_swap16(const U16 x) {
return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
}
# define htonl(x) my_swap32(x)
# define ntohl(x) my_swap32(x)
# define ntohs(x) my_swap16(x)
# define htons(x) my_swap16(x)
# else
# error "Unsupported byteorder"
/* The C pre-processor doesn't let us return the value of BYTEORDER as part of
the error message. Please check the value of the macro BYTEORDER, as defined
in config.h. The values of BYTEORDER we expect are
big endian little endian
32 bit 0x4321 0x1234
64 bit 0x87654321 0x12345678
If you have a system with a different byte order, please see
pod/perlhack.pod for how to submit a patch to add supporting code.
*/
# endif
#endif
/*
* Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
* -DWS
*/
#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
/* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
re-order their values. However, to behave identically to the alternative
implementations, they should truncate to the correct size. */
# define vtohl(x) ((x)&0xFFFFFFFF)
# define vtohs(x) ((x)&0xFFFF)
# define htovl(x) vtohl(x)
# define htovs(x) vtohs(x)
#elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
# define vtohl(x) ((((x)&0xFF)<<24) \
+(((x)>>24)&0xFF) \
+(((x)&0x0000FF00)<<8) \
+(((x)&0x00FF0000)>>8) )
# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
# define htovl(x) vtohl(x)
# define htovs(x) vtohs(x)
#else
# error "Unsupported byteorder"
/* If you have need for current perl on PDP-11 or similar, and can help test
that blead keeps working on a mixed-endian system, then see
pod/perlhack.pod for how to submit patches to things working again. */
#endif
/* *MAX Plus 1. A floating point value.
Hopefully expressed in a way that dodgy floating point can't mess up.
>> 2 rather than 1, so that value is safely less than I32_MAX after 1
is added to it
May find that some broken compiler will want the value cast to I32.
[after the shift, as signed >> may not be as secure as unsigned >>]
*/
#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
may be greater than sizeof(IV), so don't assume that half max UV is max IV.
*/
#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
/* This may look like unnecessary jumping through hoops, but converting
out of range floating point values to integers *is* undefined behaviour,
and it is starting to bite.
*/
#ifndef CAST_INLINE
#define I_32(what) (cast_i32((NV)(what)))
#define U_32(what) (cast_ulong((NV)(what)))
#define I_V(what) (cast_iv((NV)(what)))
#define U_V(what) (cast_uv((NV)(what)))
#else
#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
: ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
: ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
: ((n) < U32_MAX_P1 ? (U32) (n) \
: ((n) > 0 ? U32_MAX : 0 /* NaN */)))
#define I_V(n) (LIKELY((n) < IV_MAX_P1) ? (UNLIKELY((n) < IV_MIN) ? IV_MIN : (IV) (n)) \
: (LIKELY((n) < UV_MAX_P1) ? (IV)(UV) (n) \
: ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
#define U_V(n) ((n) < 0.0 ? (UNLIKELY((n) < IV_MIN) ? (UV) IV_MIN : (UV)(IV) (n)) \
: (LIKELY((n) < UV_MAX_P1) ? (UV) (n) \
: ((n) > 0 ? UV_MAX : 0 /* NaN */)))
#endif
#define U_S(what) ((U16)U_32(what))
#define U_I(what) ((unsigned int)U_32(what))
#define U_L(what) U_32(what)
#ifdef HAS_SIGNBIT
# define Perl_signbit signbit
#endif
/* These do not care about the fractional part, only about the range. */
#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
/* Used with UV/IV arguments: */
/* XXXX: need to speed it up */
#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
#ifndef MAXSYSFD
# define MAXSYSFD 2
#endif
#ifndef __cplusplus
#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
Uid_t getuid (void);
Uid_t geteuid (void);
Gid_t getgid (void);
Gid_t getegid (void);
#endif
#endif
#ifndef Perl_debug_log
# define Perl_debug_log PerlIO_stderr()
#endif
#ifndef Perl_error_log
# define Perl_error_log (PL_stderrgv \
&& isGV(PL_stderrgv) \
&& GvIOp(PL_stderrgv) \
&& IoOFP(GvIOp(PL_stderrgv)) \
? IoOFP(GvIOp(PL_stderrgv)) \
: PerlIO_stderr())
#endif
#define DEBUG_p_FLAG 0x00000001 /* 1 */
#define DEBUG_s_FLAG 0x00000002 /* 2 */
#define DEBUG_l_FLAG 0x00000004 /* 4 */
#define DEBUG_t_FLAG 0x00000008 /* 8 */
#define DEBUG_o_FLAG 0x00000010 /* 16 */
#define DEBUG_c_FLAG 0x00000020 /* 32 */
#define DEBUG_P_FLAG 0x00000040 /* 64 */
#define DEBUG_m_FLAG 0x00000080 /* 128 */
#define DEBUG_f_FLAG 0x00000100 /* 256 */
#define DEBUG_r_FLAG 0x00000200 /* 512 */
#define DEBUG_x_FLAG 0x00000400 /* 1024 */
#define DEBUG_u_FLAG 0x00000800 /* 2048 */
/* U is reserved for Unofficial, exploratory hacking */
#define DEBUG_U_FLAG 0x00001000 /* 4096 */
#define DEBUG_H_FLAG 0x00002000 /* 8192 */
#define DEBUG_X_FLAG 0x00004000 /* 16384 */
#define DEBUG_D_FLAG 0x00008000 /* 32768 */
#define DEBUG_S_FLAG 0x00010000 /* 65536 */
#define DEBUG_T_FLAG 0x00020000 /* 131072 */
#define DEBUG_R_FLAG 0x00040000 /* 262144 */
#define DEBUG_J_FLAG 0x00080000 /* 524288 */
#define DEBUG_v_FLAG 0x00100000 /*1048576 */
#define DEBUG_C_FLAG 0x00200000 /*2097152 */
#define DEBUG_A_FLAG 0x00400000 /*4194304 */
#define DEBUG_q_FLAG 0x00800000 /*8388608 */
#define DEBUG_M_FLAG 0x01000000 /*16777216*/
#define DEBUG_B_FLAG 0x02000000 /*33554432*/
#define DEBUG_L_FLAG 0x04000000 /*67108864*/
#define DEBUG_MASK 0x07FFEFFF /* mask of all the standard flags */
#define DEBUG_DB_RECURSE_FLAG 0x40000000
#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
that something was done? */
# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
# define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
#ifdef DEBUGGING
# define DEBUG_p_TEST DEBUG_p_TEST_
# define DEBUG_s_TEST DEBUG_s_TEST_
# define DEBUG_l_TEST DEBUG_l_TEST_
# define DEBUG_t_TEST DEBUG_t_TEST_
# define DEBUG_o_TEST DEBUG_o_TEST_
# define DEBUG_c_TEST DEBUG_c_TEST_
# define DEBUG_P_TEST DEBUG_P_TEST_
# define DEBUG_m_TEST DEBUG_m_TEST_
# define DEBUG_f_TEST DEBUG_f_TEST_
# define DEBUG_r_TEST DEBUG_r_TEST_
# define DEBUG_x_TEST DEBUG_x_TEST_
# define DEBUG_u_TEST DEBUG_u_TEST_
# define DEBUG_U_TEST DEBUG_U_TEST_
# define DEBUG_H_TEST DEBUG_H_TEST_
# define DEBUG_X_TEST DEBUG_X_TEST_
# define DEBUG_D_TEST DEBUG_D_TEST_
# define DEBUG_S_TEST DEBUG_S_TEST_
# define DEBUG_T_TEST DEBUG_T_TEST_
# defi