/* perl.h
*
- * Copyright (c) 1987-2000, Larry Wall
+ * Copyright (c) 1987-2001, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
#ifdef PERL_FOR_X2P
/*
- * This file is being used for x2p stuff.
+ * 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.
+ * Decouple x2p stuff from some of perls more extreme eccentricities.
*/
#undef MULTIPLICITY
#undef USE_STDIO
#endif /* PERL_FOR_X2P */
#define VOIDUSED 1
-#ifdef PERL_MICRO
+#ifdef PERL_MICRO
# include "uconfig.h"
#else
# include "config.h"
struct perl_thread;
# define pTHX register struct perl_thread *thr
# define aTHX thr
-# define dTHR dNOOP
+# define dTHR dNOOP /* only backward compatibility */
# define dTHXa(a) pTHX = (struct perl_thread*)a
# else
# ifndef MULTIPLICITY
# define CALLPROTECT CALL_FPTR(PL_protect)
#endif
+#ifdef HASATTRIBUTE
+# define PERL_UNUSED_DECL __attribute__((unused))
+#else
+# define PERL_UNUSED_DECL
+#endif
+
+/* gcc -Wall:
+ * for silencing unused variables that are actually used most of the time,
+ * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
+ */
+#define PERL_UNUSED_VAR(var) if (0) var = var
+
#define NOOP (void)0
-#define dNOOP extern int Perl___notused
+#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
#ifndef pTHX
# define pTHX void
# 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
+# define dTHXs dTHX
+#else
+# define dTHXs dNOOP
+#endif
+
#undef START_EXTERN_C
#undef END_EXTERN_C
#undef EXTERN_C
# define END_EXTERN_C }
# define EXTERN_C extern "C"
#else
-# define START_EXTERN_C
-# define END_EXTERN_C
+# define START_EXTERN_C
+# define END_EXTERN_C
# define EXTERN_C extern
#endif
#endif
#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
-#define WITH_THR(s) STMT_START { dTHR; s; } STMT_END
+#define WITH_THR(s) WITH_THX(s)
/*
* SOFT_CAST can be used for args to prototyped functions to retain some
*/
/* define this once if either system, instead of cluttering up the src */
-#if defined(MSDOS) || defined(atarist) || defined(WIN32)
+#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
#define DOSISH 1
#endif
-#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC)
+#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
# define STANDARD_C 1
#endif
-#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(OS2) || defined(__DGUX) || defined( EPOC) || defined(__QNX__)
+#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(OS2) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE)
# define DONT_DECLARE_STD 1
#endif
#define TAINT_ENV() if (PL_tainting) { taint_env(); }
#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
-/* XXX All process group stuff is handled in pp_sys.c. Should these
+/* 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.
# define HAS_GETPGRP /* Well, effectively it does . . . */
#endif
-/* These are not exact synonyms, since setpgrp() and getpgrp() may
+/* 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.
*/
# include <sys/param.h>
#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
+
+#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
+int syscall(int, ...);
+#endif
+
+#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
+int usleep(unsigned int);
+#endif
+
#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
# define MYSWAP
#endif
#include <errno.h>
-#if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
+#if defined(WIN32) && (defined(PERL_OBJECT) || defined(PERL_IMPLICIT_SYS) || defined(PERL_CAPI))
+# 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 */
+#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN)
+# define _SOCKADDR_LEN
+#endif
+
+#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
# include <sys/socket.h>
# if defined(USE_SOCKS) && defined(I_SOCKS)
# if !defined(INCLUDE_PROTOTYPES)
# undef INCLUDE_PROTOTYPES
# undef PERL_SOCKS_NEED_PROTOTYPES
# endif
-# endif
+# endif
# ifdef I_NETDB
+# ifdef NETWARE
+# include<stdio.h>
+# endif
# include <netdb.h>
# endif
# ifndef ENOTSOCK
# endif
#endif
+/* sockatmark() is so new (2001) that many places might have it hidden
+ * behind some -D_BLAH_BLAH_SOURCE guard. */
+#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
+int sockatmark(int);
+#endif
+
#ifdef SETERRNO
# undef SETERRNO /* SOCKS might have defined this */
#endif
#ifndef S_IRWXU
# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
-#endif
+#endif
#ifndef S_IRWXG
# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
-#endif
+#endif
#ifndef S_IRWXO
# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
-#endif
+#endif
#ifndef S_IREAD
# define S_IREAD S_IRUSR
#undef UV
#endif
+#ifdef SPRINTF_E_BUG
+# define sprintf UTS_sprintf_wrap
+#endif
+
+/* Configure gets this right but the UTS compiler gets it wrong.
+ -- Hal Morris <hom00@utsglobal.com> */
+#ifdef UTS
+# undef UVTYPE
+# define UVTYPE unsigned
+#endif
+
/*
The IV type is supposed to be long enough to hold any integral
value or a pointer.
# endif
#endif
+#if defined(uts) || defined(UTS)
+# undef UV_MAX
+# define UV_MAX (4294967295u)
+#endif
+
#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:
# define PTRV UV
# define INT2PTR(any,d) (any)(d)
#else
-# if PTRSIZE == LONGSIZE
+# if PTRSIZE == LONGSIZE
# define PTRV unsigned long
# else
# define PTRV unsigned
#define PTR2IV(p) INT2PTR(IV,p)
#define PTR2UV(p) INT2PTR(UV,p)
#define PTR2NV(p) NUM2PTR(NV,p)
-#if PTRSIZE == LONGSIZE
+#if PTRSIZE == LONGSIZE
# define PTR2ul(p) (unsigned long)(p)
#else
# define PTR2ul(p) INT2PTR(unsigned long,p)
#endif
-
+
#ifdef USE_LONG_DOUBLE
# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
# define LONG_DOUBLE_EQUALS_DOUBLE
# endif
#endif
-#if !defined(Perl_atof) && defined(USE_LONG_DOUBLE) && defined(HAS_LONG_DOUBLE)
-# if !defined(Perl_atof) && defined(HAS_STRTOLD)
-# define Perl_atof(s) (NV)strtold(s, (char**)NULL)
-# endif
-# if !defined(Perl_atof) && defined(HAS_ATOLF)
-# define Perl_atof (NV)atolf
-# endif
-# if !defined(Perl_atof) && defined(PERL_SCNfldbl)
-# define Perl_atof PERL_SCNfldbl
-# define Perl_atof2(s,f) sscanf((s), "%"PERL_SCNfldbl, &(f))
-# endif
-#endif
-#if !defined(Perl_atof)
-# define Perl_atof atof /* we assume atof being available anywhere */
-#endif
-#if !defined(Perl_atof2)
-# define Perl_atof2(s,f) ((f) = (NV)Perl_atof(s))
-#endif
+#define Perl_atof(s) Perl_my_atof(s)
+#define Perl_atof2(s, np) Perl_my_atof2(s, np)
-/* Previously these definitions used hardcoded figures.
+/* 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
# 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)
typedef struct loop LOOP;
typedef struct interpreter PerlInterpreter;
-#ifdef UTS
-# define STRUCT_SV perl_sv /* Amdahl's <ksync.h> has struct sv */
+
+/* Amdahl's <ksync.h> has struct sv */
+/* SGI's <sys/sema.h> has struct sv */
+#if defined(UTS) || defined(__sgi)
+# define STRUCT_SV perl_sv
#else
# define STRUCT_SV sv
#endif
# define FSEEKSIZE LSEEKSIZE
# else
# define FSEEKSIZE LONGSIZE
-# endif
+# endif
#endif
#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
# else
# if defined(MACOS_TRADITIONAL)
# include "macos/macish.h"
+# ifndef NO_ENVIRON_ARRAY
+# define NO_ENVIRON_ARRAY
+# endif
# else
# include "unixish.h"
# endif
# define USE_ENVIRON_ARRAY
#endif
+#ifdef JPL
+ /* E.g. JPL needs to operate on a copy of the real environment.
+ * JDK 1.2 and 1.3 seem to get upset if the original environment
+ * is diddled with. */
+# define NEED_ENVIRON_DUP_FOR_MODIFY
+#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
+# define PERL_FPU_INIT fpsetmask(0);
+# else
+# if defined(SIGFPE) && defined(SIG_IGN)
+# define PERL_FPU_INIT signal(SIGFPE, SIG_IGN);
+# else
+# define PERL_FPU_INIT
+# endif
+# endif
+#endif
+
#ifndef PERL_SYS_INIT3
# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
#endif
# endif
#endif
-/*
+/*
* USE_THREADS 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++
* atomic.h everywhere */
# define EMULATE_ATOMIC_REFCOUNTS
# endif
+# ifdef NETWARE
+# include <nw5thread.h>
+# else
# ifdef FAKE_THREADS
# include "fakethr.h"
# else
# endif /* OS2 */
# endif /* WIN32 */
# endif /* FAKE_THREADS */
+#endif /* NETWARE */
#endif /* USE_THREADS || USE_ITHREADS */
#ifdef WIN32
# include "win32.h"
#endif
+#ifdef NETWARE
+# include "netware.h"
+#endif
+
#ifdef VMS
# define STATUS_NATIVE PL_statusvalue_vms
# define STATUS_NATIVE_EXPORT \
#endif
/* This defines a way to flush all output buffers. This may be a
- * performance issue, so we allow people to disable it.
+ * 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(FFLUSH_NULL) || defined(USE_SFIO)
+# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
# else
# ifdef FFLUSH_ALL
# define SVf "p"
# else
# define SVf "_"
-# endif
+# endif
#endif
#ifndef UVf
# define UVf UVuf
# else
# define UVf "Vu"
-# endif
+# endif
#endif
#ifndef VDf
# define VDf "p"
# else
# define VDf "vd"
-# endif
+# endif
#endif
/* Some unistd.h's give a prototype for pause() even though
/* otherwise default to functions in util.c */
#endif
-#ifdef CASTNEGFLOAT
-#define U_S(what) ((U16)(what))
-#define U_I(what) ((unsigned int)(what))
-#define U_L(what) ((U32)(what))
-#else
-#define U_S(what) ((U16)cast_ulong((NV)(what)))
-#define U_I(what) ((unsigned int)cast_ulong((NV)(what)))
-#define U_L(what) (cast_ulong((NV)(what)))
-#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)))
-#ifdef CASTI32
-#define I_32(what) ((I32)(what))
-#define I_V(what) ((IV)(what))
-#define U_V(what) ((UV)(what))
-#else
+#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)))
-#endif
+#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) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
+ : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
+ : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
+#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
+ : ((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)
/* 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)
#endif
#ifndef __cplusplus
+#ifndef UNDER_CE
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()
: 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 */
+#define DEBUG_L_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_MASK 0x0007FFFF /* mask of all the standard flags */
+
+#define DEBUG_DB_RECURSE_FLAG 0x40000000
+#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? */
+
+
#ifdef DEBUGGING
-#undef YYDEBUG
-#define YYDEBUG 1
-#define DEB(a) a
-#define DEBUG(a) if (PL_debug) a
-#define DEBUG_p(a) if (PL_debug & 1) a
-#define DEBUG_s(a) if (PL_debug & 2) a
-#define DEBUG_l(a) if (PL_debug & 4) a
-#define DEBUG_t(a) if (PL_debug & 8) a
-#define DEBUG_o(a) if (PL_debug & 16) a
-#define DEBUG_c(a) if (PL_debug & 32) a
-#define DEBUG_P(a) if (PL_debug & 64) a
+
+# undef YYDEBUG
+# define YYDEBUG 1
+
+# 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_L_TEST (PL_debug & DEBUG_L_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 DEB(a) a
+# define DEBUG(a) if (PL_debug) a
+# define DEBUG_p(a) if (DEBUG_p_TEST) a
+# define DEBUG_s(a) if (DEBUG_s_TEST) a
+# define DEBUG_l(a) if (DEBUG_l_TEST) a
+# define DEBUG_t(a) if (DEBUG_t_TEST) a
+# define DEBUG_o(a) if (DEBUG_o_TEST) a
+# define DEBUG_c(a) if (DEBUG_c_TEST) a
+# define DEBUG_P(a) if (DEBUG_P_TEST) a
+
# if defined(PERL_OBJECT)
-# define DEBUG_m(a) if (PL_debug & 128) a
+# define DEBUG_m(a) if (DEBUG_m_TEST) a
# else
+ /* Temporarily turn off memory debugging in case the a
+ * does memory allocation, either directly or indirectly. */
# define DEBUG_m(a) \
STMT_START { \
- if (PERL_GET_INTERP) { dTHX; if (PL_debug & 128) { a; } } \
+ if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
} STMT_END
# endif
-#define DEBUG_f(a) if (PL_debug & 256) a
-#define DEBUG_r(a) if (PL_debug & 512) a
-#define DEBUG_x(a) if (PL_debug & 1024) a
-#define DEBUG_u(a) if (PL_debug & 2048) a
-#define DEBUG_L(a) if (PL_debug & 4096) a
-#define DEBUG_H(a) if (PL_debug & 8192) a
-#define DEBUG_X(a) if (PL_debug & 16384) a
-#define DEBUG_D(a) if (PL_debug & 32768) a
+
+# define DEBUG__(t, a) \
+ STMT_START { \
+ if (t) STMT_START {a;} STMT_END; \
+ } STMT_END
+
+# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
+# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
+# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
+# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
+# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
+# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
+# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
+# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
+
# ifdef USE_THREADS
-# define DEBUG_S(a) if (PL_debug & (1<<16)) a
+# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
# else
# define DEBUG_S(a)
# endif
-#else
-#define DEB(a)
-#define DEBUG(a)
-#define DEBUG_p(a)
-#define DEBUG_s(a)
-#define DEBUG_l(a)
-#define DEBUG_t(a)
-#define DEBUG_o(a)
-#define DEBUG_c(a)
-#define DEBUG_P(a)
-#define DEBUG_m(a)
-#define DEBUG_f(a)
-#define DEBUG_r(a)
-#define DEBUG_x(a)
-#define DEBUG_u(a)
-#define DEBUG_S(a)
-#define DEBUG_H(a)
-#define DEBUG_X(a)
-#define DEBUG_D(a)
-#define DEBUG_S(a)
-#endif
+
+# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
+# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
+
+#else /* DEBUGGING */
+
+# define DEBUG_p_TEST (0)
+# define DEBUG_s_TEST (0)
+# define DEBUG_l_TEST (0)
+# define DEBUG_t_TEST (0)
+# define DEBUG_o_TEST (0)
+# define DEBUG_c_TEST (0)
+# define DEBUG_P_TEST (0)
+# define DEBUG_m_TEST (0)
+# define DEBUG_f_TEST (0)
+# define DEBUG_r_TEST (0)
+# define DEBUG_x_TEST (0)
+# define DEBUG_u_TEST (0)
+# define DEBUG_L_TEST (0)
+# define DEBUG_H_TEST (0)
+# define DEBUG_X_TEST (0)
+# define DEBUG_D_TEST (0)
+# define DEBUG_S_TEST (0)
+# define DEBUG_T_TEST (0)
+# define DEBUG_R_TEST (0)
+
+# define DEB(a)
+# define DEBUG(a)
+# define DEBUG_p(a)
+# define DEBUG_s(a)
+# define DEBUG_l(a)
+# define DEBUG_t(a)
+# define DEBUG_o(a)
+# define DEBUG_c(a)
+# define DEBUG_P(a)
+# define DEBUG_m(a)
+# define DEBUG_f(a)
+# define DEBUG_r(a)
+# define DEBUG_x(a)
+# define DEBUG_u(a)
+# define DEBUG_L(a)
+# define DEBUG_H(a)
+# define DEBUG_X(a)
+# define DEBUG_D(a)
+# define DEBUG_S(a)
+# define DEBUG_T(a)
+# define DEBUG_R(a)
+#endif /* DEBUGGING */
+
+
+/* These constants should be used in preference to to raw characters
+ * when using magic. Note that some perl guts still assume
+ * certain character properties of these constants, namely that
+ * isUPPER() and toLOWER() may do useful mappings.
+ *
+ * Update the magic_names table in dump.c when adding/amending these
+ */
+
+#define PERL_MAGIC_sv '\0' /* Special scalar variable */
+#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
+#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
+#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
+#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
+#define PERL_MAGIC_regdata 'D' /* Regex match position data
+ (@+ and @- vars) */
+#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
+#define PERL_MAGIC_env 'E' /* %ENV hash */
+#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
+#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
+#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
+#define PERL_MAGIC_isa 'I' /* @ISA array */
+#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
+#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
+#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
+#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
+#define PERL_MAGIC_mutex 'm' /* ??? */
+#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
+#define PERL_MAGIC_tied 'P' /* Tied array or hash */
+#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
+#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
+#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
+#define PERL_MAGIC_sig 'S' /* %SIG hash */
+#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
+#define PERL_MAGIC_taint 't' /* Taintedness */
+#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
+#define PERL_MAGIC_vec 'v' /* vec() lvalue */
+#define PERL_MAGIC_substr 'x' /* substr() lvalue */
+#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
+ smart parameter vivification */
+#define PERL_MAGIC_glob '*' /* GV (typeglob) */
+#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
+#define PERL_MAGIC_pos '.' /* pos() lvalue */
+#define PERL_MAGIC_backref '<' /* ??? */
+#define PERL_MAGIC_ext '~' /* Available for use by extensions */
+
+
#define YYMAXDEPTH 300
#ifndef assert /* <assert.h> might have been included somehow */
#endif
struct ufuncs {
- I32 (*uf_val)(IV, SV*);
- I32 (*uf_set)(IV, SV*);
+ I32 (*uf_val)(pTHX_ IV, SV*);
+ I32 (*uf_set)(pTHX_ IV, SV*);
IV uf_index;
};
+/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
+ * XS code wanting to be backward compatible can do something
+ * like the following:
+
+#ifndef PERL_MG_UFUNC
+#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
+#endif
+
+static PERL_MG_UFUNC(foo_get, index, val)
+{
+ sv_setsv(val, ...);
+ return TRUE;
+}
+
+-- Doug MacEachern
+
+*/
+
+#ifndef PERL_MG_UFUNC
+#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
+#endif
+
/* Fix these up for __STDC__ */
#ifndef DONT_DECLARE_STD
char *mktemp (char*);
END_EXTERN_C
#endif
+#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
+# define NV_INF LDBL_INFINITY
+#endif
+#if !defined(NV_INF) && defined(DBL_INFINITY)
+# define NV_INF (NV)DBL_INFINITY
+#endif
+#if !defined(NV_INF) && defined(INFINITY)
+# define NV_INF (NV)INFINITY
+#endif
+#if !defined(NV_INF) && defined(INF)
+# define NV_INF (NV)INF
+#endif
+#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
+# define NV_INF (NV)HUGE_VALL
+#endif
+#if !defined(NV_INF) && defined(HUGE_VAL)
+# define NV_INF (NV)HUGE_VAL
+#endif
+
+#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
+# if !defined(NV_NAN) && defined(LDBL_NAN)
+# define NV_NAN LDBL_NAN
+# endif
+# if !defined(NV_NAN) && defined(LDBL_QNAN)
+# define NV_NAN LDBL_QNAN
+# endif
+# if !defined(NV_NAN) && defined(LDBL_SNAN)
+# define NV_NAN LDBL_SNAN
+# endif
+#endif
+#if !defined(NV_NAN) && defined(DBL_NAN)
+# define NV_NAN (NV)DBL_NAN
+#endif
+#if !defined(NV_NAN) && defined(DBL_QNAN)
+# define NV_NAN (NV)DBL_QNAN
+#endif
+#if !defined(NV_NAN) && defined(DBL_SNAN)
+# define NV_NAN (NV)DBL_SNAN
+#endif
+#if !defined(NV_NAN) && defined(QNAN)
+# define NV_NAN (NV)QNAN
+#endif
+#if !defined(NV_NAN) && defined(SNAN)
+# define NV_NAN (NV)SNAN
+#endif
+#if !defined(NV_NAN) && defined(NAN)
+# define NV_NAN (NV)NAN
+#endif
+
#ifndef __cplusplus
# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
char *crypt (); /* Maybe more hosts will need the unprototyped version */
# else
-# if !defined(WIN32)
+# if !defined(WIN32) && !defined(VMS)
char *crypt (const char*, const char*);
# endif /* !WIN32 */
# endif /* !NeXT && !__NeXT__ */
#define UNLINK PerlLIO_unlink
#endif
+/* some versions of glibc are missing the setresuid() proto */
+#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
+int setresuid(uid_t ruid, uid_t euid, uid_t suid);
+#endif
+/* some versions of glibc are missing the setresgid() proto */
+#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
+int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
+#endif
+
#ifndef HAS_SETREUID
# ifdef HAS_SETRESUID
# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
# if !defined(DONT_DECLARE_STD) || \
(defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
defined(__sgi) || \
- defined(__DGUX)
+ defined(__DGUX)
extern char ** environ; /* environment variables supplied via exec */
# endif
# endif
EXT int PL_sig_num[];
#endif
-/* fast case folding tables */
+/* fast conversion and case folding tables */
#ifdef DOINIT
#ifdef EBCDIC
#define HINT_PRIVATE_MASK 0x000000ff
#define HINT_INTEGER 0x00000001
#define HINT_STRICT_REFS 0x00000002
-/* #define HINT_notused4 0x00000004 */
-#define HINT_BYTE 0x00000008
+#define HINT_LOCALE 0x00000004
+#define HINT_BYTES 0x00000008
+#define HINT_BYTES 0x00000008
/* #define HINT_notused10 0x00000010 */
/* Note: 20,40,80 used for NATIVE_HINTS */
#define HINT_BLOCK_SCOPE 0x00000100
#define HINT_STRICT_SUBS 0x00000200
#define HINT_STRICT_VARS 0x00000400
-#define HINT_LOCALE 0x00000800
#define HINT_NEW_INTEGER 0x00001000
#define HINT_NEW_FLOAT 0x00002000
#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
/* Enable variables which are pointers to functions */
+typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
char* strend, char* strbeg, I32 minend,
#endif /* PERL_GLOBAL_STRUCT */
#if defined(MULTIPLICITY) || defined(PERL_OBJECT)
-/* If we have multiple interpreters define a struct
+/* If we have multiple interpreters define a struct
holding variables which must be per-interpreter
- If we don't have threads anything that would have
+ If we don't have threads anything that would have
be per-thread is per-interpreter.
*/
#ifndef PERL_CALLCONV
# define PERL_CALLCONV
-#endif
+#endif
#ifndef NEXT30_NO_ATTRIBUTE
# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
# include "embedvar.h"
#endif
-/* Now include all the 'global' variables
+/* Now include all the 'global' variables
* If we don't have threads or multiple interpreters
- * these include variables that would have been their struct-s
+ * these include variables that would have been their struct-s
*/
-
+
#define PERLVAR(var,type) EXT type PL_##var;
#define PERLVARA(var,n,type) EXT type PL_##var[n];
#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
EXT MGVTBL PL_vtbl_backref = {0, 0,
0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
+EXT MGVTBL PL_vtbl_ovrld = {0, 0,
+ 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
+
#else /* !DOINIT */
EXT MGVTBL PL_vtbl_sv;
EXT MGVTBL PL_vtbl_bm;
EXT MGVTBL PL_vtbl_fm;
EXT MGVTBL PL_vtbl_uvar;
+EXT MGVTBL PL_vtbl_ovrld;
#ifdef USE_THREADS
EXT MGVTBL PL_vtbl_mutex;
copy_amg, neg_amg,
to_sv_amg, to_av_amg,
to_hv_amg, to_gv_amg,
- to_cv_amg, iter_amg,
+ to_cv_amg, iter_amg,
+ int_amg, DESTROY_amg,
max_amg_code
/* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
};
#define NofAMmeth max_amg_code
+#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
#ifdef DOINIT
EXTCONST char * PL_AMG_names[NofAMmeth] = {
- "fallback", "abs", /* "fallback" should be the first. */
- "bool", "nomethod",
- "\"\"", "0+",
- "+", "+=",
- "-", "-=",
- "*", "*=",
- "/", "/=",
- "%", "%=",
- "**", "**=",
- "<<", "<<=",
- ">>", ">>=",
- "&", "&=",
- "|", "|=",
- "^", "^=",
- "<", "<=",
- ">", ">=",
- "==", "!=",
- "<=>", "cmp",
- "lt", "le",
- "gt", "ge",
- "eq", "ne",
- "!", "~",
- "++", "--",
- "atan2", "cos",
- "sin", "exp",
- "log", "sqrt",
- "x", "x=",
- ".", ".=",
- "=", "neg",
- "${}", "@{}",
- "%{}", "*{}",
- "&{}", "<>",
+ /* Names kept in the symbol table. fallback => "()", the rest has
+ "(" prepended. The only other place in perl which knows about
+ this convention is AMG_id2name (used for debugging output and
+ 'nomethod' only), the only other place which has it hardwired is
+ overload.pm. */
+ "()", "(abs", /* "fallback" should be the first. */
+ "(bool", "(nomethod",
+ "(\"\"", "(0+",
+ "(+", "(+=",
+ "(-", "(-=",
+ "(*", "(*=",
+ "(/", "(/=",
+ "(%", "(%=",
+ "(**", "(**=",
+ "(<<", "(<<=",
+ "(>>", "(>>=",
+ "(&", "(&=",
+ "(|", "(|=",
+ "(^", "(^=",
+ "(<", "(<=",
+ "(>", "(>=",
+ "(==", "(!=",
+ "(<=>", "(cmp",
+ "(lt", "(le",
+ "(gt", "(ge",
+ "(eq", "(ne",
+ "(!", "(~",
+ "(++", "(--",
+ "(atan2", "(cos",
+ "(sin", "(exp",
+ "(log", "(sqrt",
+ "(x", "(x=",
+ "(.", "(.=",
+ "(=", "(neg",
+ "(${}", "(@{}",
+ "(%{}", "(*{}",
+ "(&{}", "(<>",
+ "(int", "DESTROY",
};
#else
EXTCONST char * PL_AMG_names[NofAMmeth];
#define AMGfallYES 3
#define AMTf_AMAGIC 1
+#define AMTf_OVERLOADED 2
#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
+#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
+#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
+#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
+#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
/*
* some compilers like to redefine cos et alia as faster
#define SET_NUMERIC_LOCAL() \
set_numeric_local();
-#define IS_NUMERIC_RADIX(c) \
- ((PL_hints & HINT_LOCALE) && \
- PL_numeric_radix && (c) == PL_numeric_radix)
+#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
+#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
+
+#define IN_LOCALE \
+ (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
- bool was_local = (PL_hints & HINT_LOCALE) && PL_numeric_local; \
+ bool was_local = PL_numeric_local && IN_LOCALE; \
if (was_local) SET_NUMERIC_STANDARD();
#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
- bool was_standard = (PL_hints & HINT_LOCALE) && PL_numeric_standard; \
+ bool was_standard = PL_numeric_standard && IN_LOCALE; \
if (was_standard) SET_NUMERIC_LOCAL();
#define RESTORE_NUMERIC_LOCAL() \
#define SET_NUMERIC_STANDARD() /**/
#define SET_NUMERIC_LOCAL() /**/
-#define IS_NUMERIC_RADIX(c) (0)
+#define IS_NUMERIC_RADIX(a, b) (0)
#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
#define RESTORE_NUMERIC_LOCAL() /**/
#define RESTORE_NUMERIC_STANDARD() /**/
#define Atof Perl_atof
+#define IN_LOCALE_RUNTIME 0
#endif /* !USE_LOCALE_NUMERIC */
# if !defined(Strtol) && defined(HAS_STRTOLL)
# define Strtol strtoll
# endif
+# if !defined(Strtol) && defined(HAS_STRTOQ)
+# define Strtol strtoq
+# endif
/* is there atoq() anywhere? */
#endif
#if !defined(Strtol) && defined(HAS_STRTOL)
#endif
#if !defined(PERLIO_IS_STDIO) && defined(HASATTRIBUTE)
-/*
- * Now we have __attribute__ out of the way
- * Remap printf
+/*
+ * Now we have __attribute__ out of the way
+ * Remap printf
*/
#undef printf
+#ifdef __GNUC__
+#define printf(fmt,args...) PerlIO_stdoutf(fmt,##args)
+#else
#define printf PerlIO_stdoutf
#endif
+#endif
/* if these never got defined, they need defaults */
#ifndef PERL_SET_CONTEXT
* Keep this check simple, or it may slow down execution
* massively.
*/
+
+#ifndef PERL_MICRO
+# ifndef PERL_OLD_SIGNALS
+# ifndef PERL_ASYNC_CHECK
+# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
+# endif
+# endif
+#endif
+
#ifndef PERL_ASYNC_CHECK
-#define PERL_ASYNC_CHECK() NOOP
+# define PERL_ASYNC_CHECK() NOOP
#endif
/*
* nice_chunk and nice_chunk size need to be set
* and queried under the protection of sv_mutex
*/
-#define offer_nice_chunk(chunk, chunk_size) do { \
- LOCK_SV_MUTEX; \
- if (!PL_nice_chunk) { \
- PL_nice_chunk = (char*)(chunk); \
- PL_nice_chunk_size = (chunk_size); \
- } \
- else { \
- Safefree(chunk); \
- } \
- UNLOCK_SV_MUTEX; \
- } while (0)
+#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
+ void *new_chunk; \
+ U32 new_chunk_size; \
+ LOCK_SV_MUTEX; \
+ new_chunk = (void *)(chunk); \
+ new_chunk_size = (chunk_size); \
+ if (new_chunk_size > PL_nice_chunk_size) { \
+ if (PL_nice_chunk) Safefree(PL_nice_chunk); \
+ PL_nice_chunk = new_chunk; \
+ PL_nice_chunk_size = new_chunk_size; \
+ } else { \
+ Safefree(chunk); \
+ } \
+ UNLOCK_SV_MUTEX; \
+ } STMT_END
#ifdef HAS_SEM
# include <sys/ipc.h>
# include <sys/file.h>
#endif
+#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
+int flock(int fd, int op);
+#endif
+
#ifndef O_RDONLY
/* Assume UNIX defaults */
# define O_RDONLY 0000
#ifdef IAMSUID
#ifdef I_SYS_STATVFS
+# if defined(PERL_SCO) && !defined(_SVID3)
+# define _SVID3
+# endif
# include <sys/statvfs.h> /* for f?statvfs() */
#endif
#ifdef I_SYS_MOUNT
# include <libutil.h> /* setproctitle() in some FreeBSDs */
#endif
+#ifndef EXEC_ARGV_CAST
+#define EXEC_ARGV_CAST(x) x
+#endif
+
+#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
+ int). value returned in pointed-
+ to UV */
+#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
+#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
+#define IS_NUMBER_NEG 0x08 /* leading minus sign */
+#define IS_NUMBER_INFINITY 0x10 /* this is big */
+#define IS_NUMBER_NAN 0x20 /* this is not */
+
+#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
+
+/* to let user control profiling */
+#ifdef PERL_GPROF_CONTROL
+extern void moncontrol(int);
+#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
+#else
+#define PERL_GPROF_MONCONTROL(x)
+#endif
+
/* and finally... */
#define PERL_PATCHLEVEL_H_IMPLICIT
#include "patchlevel.h"
#undef PERL_PATCHLEVEL_H_IMPLICIT
/* Mention
-
+
NV_PRESERVES_UV
HAS_ICONV
NVff
NVgf
+ HAS_USLEEP
+ HAS_UALARM
+
+ HAS_SETITIMER
+ HAS_GETITIMER
+
+ HAS_SENDMSG
+ HAS_RECVMSG
+ HAS_READV
+ HAS_WRITEV
+ I_SYSUIO
+ HAS_STRUCT_MSGHDR
+ HAS_STRUCT_CMSGHDR
+
+ USE_REENTRANT_API
+
+ HAS_NL_LANGINFO
+
so that Configure picks them up. */
+#ifdef UNDER_CE
+#include "wince.h"
+#endif
+
#endif /* Include guard */