/* 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)
+#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32)
# define USE_REENTRANT_API
#endif
# endif
#endif
-#ifdef PERL_GLOBAL_STRUCT
-# ifndef PERL_GET_VARS
+#if defined(PERL_GLOBAL_STRUCT) && !defined(PERL_GET_VARS)
# ifdef PERL_GLOBAL_STRUCT_PRIVATE
EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
# else
# define PERL_GET_VARS() PL_VarsPtr
# endif
-# endif
#endif
/* this used to be off by default, now its on, see perlio.h */
#endif
#ifndef PERL_UNUSED_DECL
-# if defined(HASATTRIBUTE_UNUSED) && (!defined(__cplusplus) || (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)))
+# if defined(HASATTRIBUTE_UNUSED) && (!defined(__cplusplus) || __GNUC__ >= 4)
# define PERL_UNUSED_DECL __attribute__unused__
# else
# define PERL_UNUSED_DECL
* clang only pretends to be GCC 4.2, but still supports push/pop.
*
* Note on usage: on non-gcc (or lookalike, like clang) compilers
- * one cannot use these at file (global) level without warnings
- * since they are defined as empty, which leads into the terminating
+ * one cannot use these with a semicolon at file (global) level without
+ * warnings since they are defined as empty, which leads into the terminating
* semicolon being left alone on a line:
* ;
* which makes compilers mildly cranky. Therefore at file level one
- * should use the GCC_DIAG_IGNORE and GCC_DIAG_RESTORE_FILE *without*
+ * should use the GCC_DIAG_IGNORE and GCC_DIAG_RESTORE macros *without*
* the semicolons.
*
* (A dead-on-arrival solution would be to try to define the macros as
#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
+/* These exist only for back-compat with XS modules. */
+#ifndef PERL_CORE
+#define VOL volatile
+#define CAN_PROTOTYPE
+#define _(args) args
+#define I_LIMITS
+#define I_STDARG
+#define STANDARD_C
#endif
/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
*/
#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
+#elif defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
+# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
+#elif defined(HAS_SETPGRP2)
+# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
#endif
#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
# define HAS_SETPGRP /* Well, effectively it does . . . */
*/
#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
+#elif defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
+# define BSD_GETPGRP(pid) getpgrp((pid))
+#elif defined(HAS_GETPGRP2)
+# define BSD_GETPGRP(pid) getpgrp2((pid))
#endif
#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
# define HAS_GETPGRP /* Well, effectively it does . . . */
#include <sys/types.h>
-#ifdef __cplusplus
-# ifndef I_STDARG
-# define I_STDARG 1
-# endif
-#endif
-
/* EVC 4 SDK headers includes a bad definition of MB_CUR_MAX in stdlib.h
which is included from stdarg.h. Bad definition not present in SD 2008
SDK headers. wince.h is not yet included, so we cant fix this from there
#if defined(UNDER_CE) && (_MSC_VER < 1300)
# define MB_CUR_MAX 1
#endif
-#ifdef I_STDARG
-# include <stdarg.h>
-#else
-# ifdef I_VARARGS
-# include <varargs.h>
-# endif
-#endif
+
+# include <stdarg.h>
#ifdef I_STDINT
# include <stdint.h>
#endif
#include <ctype.h>
+#include <float.h>
+#include <limits.h>
#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
#undef METHOD
# if !defined(NO_LOCALE_TIME) && defined(LC_TIME)
# define USE_LOCALE_TIME
# 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>
# endif
#endif
-/* Use all the "standard" definitions? */
-#if defined(STANDARD_C) && defined(I_STDLIB)
-# include <stdlib.h>
-#endif
+/* Use all the "standard" definitions */
+#include <stdlib.h>
/* If this causes problems, set i_unistd=undef in the hint file. */
#ifdef I_UNISTD
#endif /* PERL_CORE */
+/* Maximum number of args that may be passed to an OP_MULTICONCAT op.
+ * It determines the size of local arrays in S_maybe_multiconcat() and
+ * pp_multiconcat().
+ */
+#define PERL_MULTICONCAT_MAXARG 64
+
+/* The indexes of fields of a multiconcat aux struct.
+ * The fixed fields are followed by nargs+1 const segment lengths,
+ * and if utf8 and non-utf8 differ, a second nargs+1 set for utf8.
+ */
+
+#define PERL_MULTICONCAT_IX_NARGS 0 /* number of arguments */
+#define PERL_MULTICONCAT_IX_PLAIN_PV 1 /* non-utf8 constant string */
+#define PERL_MULTICONCAT_IX_PLAIN_LEN 2 /* non-utf8 constant string length */
+#define PERL_MULTICONCAT_IX_UTF8_PV 3 /* utf8 constant string */
+#define PERL_MULTICONCAT_IX_UTF8_LEN 4 /* utf8 constant string length */
+#define PERL_MULTICONCAT_IX_LENGTHS 5 /* first of nargs+1 const segment lens */
+#define PERL_MULTICONCAT_HEADER_SIZE 5 /* The number of fields of a
+ multiconcat header */
+
/* We no longer default to creating a new SV for GvSV.
Do this before embed. */
#ifndef PERL_CREATE_GVSV
# define PERL_STRLEN_EXPAND_SHIFT 2
#endif
-#if defined(STANDARD_C) && defined(I_STDDEF) && !defined(PERL_GCC_PEDANTIC)
-# include <stddef.h>
-# define STRUCT_OFFSET(s,m) offsetof(s,m)
-#else
-# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
-#endif
+#include <stddef.h>
+#define STRUCT_OFFSET(s,m) offsetof(s,m)
/* ptrdiff_t is C11, so undef it under pedantic builds */
#ifdef PERL_GCC_PEDANTIC
#endif
#ifndef __SYMBIAN32__
-# if defined(I_STRING) || defined(__cplusplus)
-# include <string.h>
-# else
-# include <strings.h>
-# endif
+# include <string.h>
#endif
/* This comes after <stdlib.h> so we don't try to change the standard
#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
-# define memcpy(d,s,l) my_bcopy(s,d,l)
-# 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_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
-
-#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
-# undef memcmp
-# define memcmp my_memcmp
-#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
+# define memzero(d,l) memset(d,0,l)
#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>
# undef S_ISLNK
#endif
-#ifdef I_TIME
-# include <time.h>
-#endif
+#include <time.h>
#ifdef I_SYS_TIME
# ifdef I_SYS_TIME_KERNEL
# 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)
#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__)
+#if defined(__cplusplus) && defined(__CYGWIN__)
EXTERN_C char *crypt(const char *, const char *);
#endif
-#endif
#ifdef SETERRNO
# undef SETERRNO /* SOCKS might have defined this */
#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
+#if VMS
+#define Strerror(e) strerror((e), vaxc$errno)
#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
+#define Strerror(e) strerror(e)
#endif
#ifdef I_SYS_IOCTL
/* Configure already sets Direntry_t */
#if defined(I_DIRENT)
-# include <dirent.h>
-#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
+# include <dirent.h>
+#elif defined(I_SYS_NDIR)
+# include <sys/ndir.h>
+#elif defined(I_SYS_DIR)
+# include <sys/dir.h>
#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
+# ifdef _S_ISLNK
+# define S_ISLNK(m) _S_ISLNK(m)
+# elif defined(_S_IFLNK)
+# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
+# elif defined(S_IFLNK)
+# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
+# else
+# define S_ISLNK(m) (0)
+# 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
+# ifdef _S_ISSOCK
+# define S_ISSOCK(m) _S_ISSOCK(m)
+# elif defined(_S_IFSOCK)
+# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
+# elif defined(S_IFSOCK)
+# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
+# else
+# define S_ISSOCK(m) (0)
+# endif
#endif
#ifndef S_IRUSR
#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
+/* This used to be conditionally defined based on whether we had a sprintf()
+ * that correctly returns the string length (as required by C89), but we no
+ * longer need that. XS modules can (and do) use this name, so it must remain
+ * a part of the API that's visible to modules. But we no longer document it
+ * either (because using sprintf() rather than snprintf() is almost always
+ * a bad idea). */
+#define my_sprintf sprintf
/*
* If we have v?snprintf() and the C99 variadic macros, we can just
*/
/* 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. */
+ * negative values because that is non-standard behaviour and we now
+ * assume a working C89 implementation. */
-#define PERL_SNPRINTF_CHECK(len, max, api) STMT_START { if ((max) > 0 && (Size_t)len >= (max)) Perl_croak_nocontext("panic: %s buffer overflow", STRINGIFY(api)); } STMT_END
+#define PERL_SNPRINTF_CHECK(len, max, api) STMT_START { if ((max) > 0 && (Size_t)len > (max)) Perl_croak_nocontext("panic: %s buffer overflow", STRINGIFY(api)); } STMT_END
#ifdef USE_QUADMATH
# define my_snprintf Perl_my_snprintf
# define PERL_MY_SNPRINTF_GUARDED
-#else
-#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
+#elif 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, max, ...) ({ int len = snprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, snprintf); len; })
# define PERL_MY_SNPRINTF_GUARDED
# define my_snprintf Perl_my_snprintf
# define PERL_MY_SNPRINTF_GUARDED
#endif
-#endif
/* There is no quadmath_vsnprintf, and therefore my_vsnprintf()
* dies if called under USE_QUADMATH. */
-#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
+#if 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, max, ...) ({ int len = vsnprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, vsnprintf); len; })
# define PERL_MY_VSNPRINTF_GUARDED
# define my_strlcat Perl_my_strlcat
#endif
+#if defined(PERL_CORE) || defined(PERL_EXT)
+# ifdef HAS_MEMRCHR
+# define my_memrchr memrchr
+# else
+# define my_memrchr S_my_memrchr
+# endif
+#endif
+
#ifdef HAS_STRLCPY
# define my_strlcpy strlcpy
#else
# define my_strlcpy Perl_my_strlcpy
#endif
+#ifdef HAS_STRNLEN
+# define my_strnlen strnlen
+#else
+# define my_strnlen Perl_my_strnlen
+#endif
+
/*
The IV type is supposed to be long enough to hold any integral
value or a pointer.
#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
# define PTRV UV
# define INT2PTR(any,d) (any)(d)
+#elif PTRSIZE == LONGSIZE
+# define PTRV unsigned long
+# define PTR2ul(p) (unsigned long)(p)
#else
-# if PTRSIZE == LONGSIZE
-# define PTRV unsigned long
-# define PTR2ul(p) (unsigned long)(p)
-# else
-# define PTRV unsigned
-# endif
+# define PTRV unsigned
#endif
#ifndef INT2PTR
# 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
+#ifndef HAS_LDBL_DIG
# if LONG_DOUBLESIZE == 10
-# define LDBL_DIG 18 /* assume IEEE */
-# else
-# if LONG_DOUBLESIZE == 12
+# define LDBL_DIG 18 /* assume IEEE */
+# elif 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
+# elif LONG_DOUBLESIZE == 16
+# define LDBL_DIG 33 /* assume IEEE */
+# elif LONG_DOUBLESIZE == DOUBLESIZE
+# define LDBL_DIG DBL_DIG /* bummer */
# 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
# 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
-# endif
+# elif defined(HUGE_VALL)
+# define NV_MAX HUGE_VALL
# endif
# endif
# if defined(HAS_SQRTL)
# ifndef Perl_frexp
# ifdef HAS_FREXPL
# define Perl_frexp(x,y) frexpl(x,y)
-# else
-# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
+# elif 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
+# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
# endif
# endif
# ifndef Perl_ldexp
# ifdef HAS_LDEXPL
# define Perl_ldexp(x, y) ldexpl(x,y)
-# else
-# if defined(HAS_SCALBNL) && FLT_RADIX == 2
-# define Perl_ldexp(x,y) scalbnl(x,y)
-# endif
+# elif defined(HAS_SCALBNL) && FLT_RADIX == 2
+# define Perl_ldexp(x,y) scalbnl(x,y)
# endif
# endif
# ifndef Perl_isnan
# define Perl_fp_class_zero(x) (Perl_fp_class(x) == 0)
#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_EXP
-# define NV_MIN_EXP DBL_MIN_EXP
-# endif
-# ifdef DBL_MAX_EXP
-# define NV_MAX_EXP DBL_MAX_EXP
-# 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 NV_MANT_DIG DBL_MANT_DIG
+# define NV_MIN DBL_MIN
+# define NV_MAX DBL_MAX
+# define NV_MIN_EXP DBL_MIN_EXP
+# define NV_MAX_EXP DBL_MAX_EXP
+# define NV_MIN_10_EXP DBL_MIN_10_EXP
+# define NV_MAX_10_EXP DBL_MAX_10_EXP
+# define NV_EPSILON DBL_EPSILON
+# define NV_MAX DBL_MAX
+# define NV_MIN DBL_MIN
/* These math interfaces are C89. */
# define Perl_acos acos
#ifndef Perl_isnan
# ifdef Perl_fp_class_nan
# define Perl_isnan(x) Perl_fp_class_nan(x)
+# elif defined(HAS_UNORDERED)
+# define Perl_isnan(x) unordered((x), 0.0)
# else
-# ifdef HAS_UNORDERED
-# define Perl_isnan(x) unordered((x), 0.0)
-# else
-# define Perl_isnan(x) ((x)!=(x))
-# endif
+# define Perl_isnan(x) ((x)!=(x))
# endif
#endif
# 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)
* - 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
+#define PERL_UCHAR_MIN ((unsigned char)0)
+#define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
-#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
+#define PERL_USHORT_MIN ((unsigned short)0)
+#define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
-#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_SHORT_MAX ((short)SHRT_MAX)
+#define PERL_SHORT_MIN ((short)SHRT_MIN)
+#define PERL_UINT_MAX ((unsigned int)UINT_MAX)
#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_INT_MAX ((int)INT_MAX)
+#define PERL_INT_MIN ((int)INT_MIN)
+#define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
#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
+#define PERL_LONG_MAX ((long)LONG_MAX)
+#define PERL_LONG_MIN ((long)LONG_MIN)
#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;
#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
+# elif defined(SIGMAX)
# define NSIG (SIGMAX+1)
-# endif
-#endif
-
-#ifndef NSIG
-# ifdef SIG_MAX
+# elif defined(SIG_MAX)
# define NSIG (SIG_MAX+1)
-# endif
-#endif
-
-#ifndef NSIG
-# ifdef _SIG_MAX
+# elif defined(_SIG_MAX)
# define NSIG (_SIG_MAX+1)
-# endif
-#endif
-
-#ifndef NSIG
-# ifdef MAXSIG
+# elif defined(MAXSIG)
# define NSIG (MAXSIG+1)
-# endif
-#endif
-
-#ifndef NSIG
-# ifdef MAX_SIG
+# elif defined(MAX_SIG)
# define NSIG (MAX_SIG+1)
-# endif
-#endif
-
-#ifndef NSIG
-# ifdef SIGARRAYSIZE
+# elif defined(SIGARRAYSIZE)
# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
-# endif
-#endif
-
-#ifndef NSIG
-# ifdef _sys_nsig
+# elif defined(_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
+# else
+ /* Default to some arbitrary number that's big enough to get most
+ * of the common signals. */
# define NSIG 50
+# endif
#endif
/* <-- NSIG logic from Configure */
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)
+# elif 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
-# 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
+# define PERL_FPU_INIT
# endif
#endif
#ifndef PERL_FPU_PRE_EXEC
#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>
+# include <nw5thread.h>
+# elif defined(WIN32)
+# include <win32thread.h>
+# elif defined(OS2)
+# include "os2thread.h"
+# elif defined(I_MACH_CTHREADS)
+# include <mach/cthreads.h>
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
+# elif defined(I_PTHREAD) /* Posix threads */
+# include <pthread.h>
typedef pthread_t perl_os_thread;
typedef pthread_mutex_t PERL_TSA_CAPABILITY("mutex") 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
#endif /* USE_ITHREADS */
#ifdef PERL_TSA_ACTIVE
#ifndef PERL_FLUSHALL_FOR_CHILD
# if defined(USE_PERLIO) || defined(FFLUSH_NULL)
# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
+# elif defined(FFLUSH_ALL)
+# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
# else
-# ifdef FFLUSH_ALL
-# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
-# else
-# define PERL_FLUSHALL_FOR_CHILD NOOP
-# endif
+# define PERL_FLUSHALL_FOR_CHILD NOOP
# endif
#endif
#ifdef PERL_CORE
/* not used; but needed for backward compatibility with XS code? - RMB */
# undef UVf
-#else
-# ifndef UVf
-# define UVf UVuf
-# endif
+#elif !defined(UVf)
+# define UVf UVuf
#endif
#ifdef HASATTRIBUTE_DEPRECATED
# define __attribute__warn_unused_result__
#endif
-#ifdef I_ASSERT
-# if !defined(DEBUGGING) && !defined(NDEBUG)
-# define NDEBUG 1
-# endif
-# include <assert.h>
+#if !defined(DEBUGGING) && !defined(NDEBUG)
+# define NDEBUG 1
#endif
+#include <assert.h>
/* For functions that are marked as __attribute__noreturn__, it's not
appropriate to call return. In either case, include the lint directive.
/* placeholder */
#endif
-/* STATIC_ASSERT_GLOBAL/STATIC_ASSERT_STMT are like assert(), but for compile
+/* STATIC_ASSERT_DECL/STATIC_ASSERT_STMT are like assert(), but for compile
time invariants. That is, their argument must be a constant expression that
can be verified by the compiler. This expression can contain anything that's
known to the compiler, e.g. #define constants, enums, or sizeof (...). If
the expression evaluates to 0, compilation fails.
Because they generate no runtime code (i.e. their use is "free"), they're
always active, even under non-DEBUGGING builds.
- STATIC_ASSERT_GLOBAL expands to a declaration and is suitable for use at
+ STATIC_ASSERT_DECL expands to a declaration and is suitable for use at
file scope (outside of any function).
STATIC_ASSERT_STMT expands to a statement and is suitable for use inside a
function.
*/
#if (defined(static_assert) || (defined(__cplusplus) && __cplusplus >= 201103L)) && (!defined(__IBMC__) || __IBMC__ >= 1210)
/* static_assert is a macro defined in <assert.h> in C11 or a compiler
- builtin in C++11.
+ builtin in C++11. But IBM XL C V11 does not support _Static_assert, no
+ matter what <assert.h> says.
*/
-/* IBM XL C V11 does not support _Static_assert, no matter what <assert.h> says */
-# define STATIC_ASSERT_GLOBAL(COND) static_assert(COND, #COND)
+# define STATIC_ASSERT_DECL(COND) static_assert(COND, #COND)
#else
/* We use a bit-field instead of an array because gcc accepts
'typedef char x[n]' where n is not a compile-time constant.
unsigned int _static_assertion_failed_##SUFFIX : (COND) ? 1 : -1; \
} _static_assertion_failed_##SUFFIX PERL_UNUSED_DECL
# define STATIC_ASSERT_1(COND, SUFFIX) STATIC_ASSERT_2(COND, SUFFIX)
-# define STATIC_ASSERT_GLOBAL(COND) STATIC_ASSERT_1(COND, __LINE__)
+# define STATIC_ASSERT_DECL(COND) STATIC_ASSERT_1(COND, __LINE__)
#endif
/* We need this wrapper even in C11 because 'case X: static_assert(...);' is an
error (static_assert is a declaration, and only statements can have labels).
*/
-#define STATIC_ASSERT_STMT(COND) do { STATIC_ASSERT_GLOBAL(COND); } while (0)
+#define STATIC_ASSERT_STMT(COND) STMT_START { STATIC_ASSERT_DECL(COND); } STMT_END
#ifndef __has_builtin
# define __has_builtin(x) 0 /* not a clang style compiler */
# define ASSUME(x) assert(x)
#endif
-#define NOT_REACHED ASSUME(0)
+#if defined(__sun) /* ASSUME() generates warnings on Solaris */
+# define NOT_REACHED
+#elif defined(DEBUGGING) && (__has_builtin(__builtin_unreachable) \
+ || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 4)) /* 4.5 -> */
+# define NOT_REACHED STMT_START { ASSUME(0); __builtin_unreachable(); } STMT_END
+#else
+# define NOT_REACHED ASSUME(0)
+#endif
/* Some unistd.h's give a prototype for pause() even though
HAS_PAUSE ends up undefined. This causes the #define
# ifdef IOCPARM_MASK
/* on BSDish systems we're safe */
# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
-# else
-# if defined(_IOC_SIZE) && defined(__GLIBC__)
+# elif 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
+# 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
+# define IOCPARM_LEN(x) 256
# endif
#endif
#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)
+ * Note that the USE_HASH_SEED and similar defines are *NOT* defined by
+ * Configure, despite their names being similar to 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)
# define USE_HASH_SEED
#endif
#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 */
+/* spare 8192 */
#define DEBUG_X_FLAG 0x00004000 /* 16384 */
#define DEBUG_D_FLAG 0x00008000 /* 32768 */
#define DEBUG_S_FLAG 0x00010000 /* 65536 */
# define DEBUG_x_TEST_ UNLIKELY(PL_debug & DEBUG_x_FLAG)
# define DEBUG_u_TEST_ UNLIKELY(PL_debug & DEBUG_u_FLAG)
# define DEBUG_U_TEST_ UNLIKELY(PL_debug & DEBUG_U_FLAG)
-# define DEBUG_H_TEST_ UNLIKELY(PL_debug & DEBUG_H_FLAG)
# define DEBUG_X_TEST_ UNLIKELY(PL_debug & DEBUG_X_FLAG)
# define DEBUG_D_TEST_ UNLIKELY(PL_debug & DEBUG_D_FLAG)
# define DEBUG_S_TEST_ UNLIKELY(PL_debug & DEBUG_S_FLAG)
# 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_x(a) DEBUG__(DEBUG_x_TEST, a)
# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
# define DEBUG_U(a) DEBUG__(DEBUG_U_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)
# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
# define DEBUG_x_TEST (0)
# define DEBUG_u_TEST (0)
# define DEBUG_U_TEST (0)
-# define DEBUG_H_TEST (0)
# define DEBUG_X_TEST (0)
# define DEBUG_D_TEST (0)
# define DEBUG_S_TEST (0)
# define DEBUG_x(a)
# define DEBUG_u(a)
# define DEBUG_U(a)
-# define DEBUG_H(a)
# define DEBUG_X(a)
# define DEBUG_D(a)
# define DEBUG_S(a)
"\", line %d", STRINGIFY(what), __LINE__), \
(void) 0)), ((void)0))
-/* assert() gets defined if DEBUGGING (and I_ASSERT).
+/* assert() gets defined if DEBUGGING.
* If no DEBUGGING, the <assert.h> has not been included. */
#ifndef assert
# define assert(what) Perl_assert(what)
#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*);
-#ifndef atof
-double atof (const char*);
-#endif
-#endif
-
-#ifndef STANDARD_C
-/* All of these are in stdlib.h or time.h for ANSI C */
-Time_t time();
-struct tm *gmtime(), *localtime();
-#if defined(OEMVS)
-char *(strchr)(), *(strrchr)();
-char *(strcpy)(), *(strcat)();
-#else
-char *strchr(), *strrchr();
-char *strcpy(), *strcat();
-#endif
-#endif /* ! STANDARD_C */
-
-
-#ifdef I_MATH
-# include <math.h>
-# ifdef __VMS
+#include <math.h>
+#ifdef __VMS
/* isfinite and others are here rather than in math.h as C99 stipulates */
-# include <fp.h>
-# endif
-#else
-START_EXTERN_C
- double exp (double);
- double log (double);
- double log10 (double);
- double sqrt (double);
- double frexp (double,int*);
- double ldexp (double,int);
- double modf (double,double*);
- double sin (double);
- double cos (double);
- double atan2 (double,double);
- double pow (double,double);
-END_EXTERN_C
+# include <fp.h>
#endif
#ifndef __cplusplus
char *crypt (const char*, const char*);
#endif
# endif /* !WIN32 */
-# ifndef DONT_DECLARE_STD
-# ifndef getenv
-char *getenv (const char*);
-# endif /* !getenv */
-# if !defined(HAS_LSEEK_PROTO) && !defined(__hpux)
-# ifdef _FILE_OFFSET_BITS
-# if _FILE_OFFSET_BITS == 64
-Off_t lseek (int,Off_t,int);
-# endif
-# endif
-# endif
-# endif /* !DONT_DECLARE_STD */
# ifndef WIN32
# ifndef getlogin
char *getlogin (void);
#if defined(__DYNAMIC__) && defined(PERL_DARWIN) && defined(PERL_CORE)
# include <crt_externs.h> /* for the env array */
# define environ (*_NSGetEnviron())
-#else
+#elif defined(USE_ENVIRON_ARRAY) && !defined(environ)
/* VMS and some other platforms don't use the environ array */
-# ifdef USE_ENVIRON_ARRAY
-# if !defined(DONT_DECLARE_STD) || \
- (defined(__svr4__) && defined(__GNUC__) && defined(__sun)) || \
- defined(__sgi)
-extern char ** environ; /* environment variables supplied via exec */
-# endif
-# endif
+EXTERN_C char **environ; /* environment variables supplied via exec */
#endif
#define PERL_PATCHLEVEL_H_IMPLICIT
INIT("1");
EXTCONST char PL_No[]
INIT("");
+EXTCONST char PL_Zero[]
+ INIT("0");
EXTCONST char PL_hexdigit[]
INIT("0123456789abcdef0123456789ABCDEF");
EXTCONST char PL_uuemap[65]
INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
+/* a special string address whose value is "isa", but which perl knows
+ * to treat as if it were really "DOES" when printing the method name in
+ * the "Can't call method '%s'" error message */
+EXTCONST char PL_isa_DOES[]
+ INIT("isa");
+
#ifdef DOINIT
EXTCONST char PL_uudmap[256] =
# ifdef PERL_MICRO
#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
#define HINT_SORT_QUICKSORT 0x00000001
#define HINT_SORT_MERGESORT 0x00000002
-#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
+#define HINT_SORT_STABLE 0x00000100 /* sort styles */
+#define HINT_SORT_UNSTABLE 0x00000200
/* flags for PL_sawampersand */
START_EXTERN_C
# include "intrpvar.h"
END_EXTERN_C
+# define PL_sv_yes (PL_sv_immortals[0])
+# define PL_sv_undef (PL_sv_immortals[1])
+# define PL_sv_no (PL_sv_immortals[2])
+# define PL_sv_zero (PL_sv_immortals[3])
#endif
#ifdef PERL_CORE
EXTCONST bool
PL_valid_types_NVX[] = { 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
EXTCONST bool
-PL_valid_types_PVX[] = { 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1 };
+PL_valid_types_PVX[] = { 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1 };
EXTCONST bool
PL_valid_types_RV[] = { 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
EXTCONST bool
#ifdef USE_LOCALE
/* These locale things are all subject to change */
-# define LOCALE_INIT MUTEX_INIT(&PL_locale_mutex)
-# ifdef USE_THREAD_SAFE_LOCALE
-# define LOCALE_TERM \
+# if defined(HAS_NEWLOCALE) \
+ && defined(LC_ALL_MASK) \
+ && defined(HAS_FREELOCALE) \
+ && defined(HAS_USELOCALE) \
+ && ! defined(NO_POSIX_2008_LOCALE)
+
+ /* The code is written for simplicity to assume that any platform advanced
+ * enough to have the Posix 2008 locale functions has LC_ALL. The test
+ * above makes sure that assumption is valid */
+
+# define HAS_POSIX_2008_LOCALE
+# endif
+
+/* We create a C locale object unconditionally if we have the functions to do
+ * so; hence must destroy it unconditionally at the end */
+# ifndef HAS_POSIX_2008_LOCALE
+# define _LOCALE_TERM_POSIX_2008 NOOP
+# else
+# define _LOCALE_TERM_POSIX_2008 \
STMT_START { \
- MUTEX_DESTROY(&PL_locale_mutex); \
if (PL_C_locale_obj) { \
/* Make sure we aren't using the locale \
* space we are about to free */ \
freelocale(PL_C_locale_obj); \
PL_C_locale_obj = (locale_t) NULL; \
} \
- } STMT_END
- }
-# else
-# define LOCALE_TERM MUTEX_DESTROY(&PL_locale_mutex)
-# endif
-
-# define LOCALE_LOCK MUTEX_LOCK(&PL_locale_mutex)
-# define LOCALE_UNLOCK MUTEX_UNLOCK(&PL_locale_mutex)
+ } STMT_END
+# endif
+
+# ifndef USE_ITHREADS
+# define LOCALE_INIT
+# define LOCALE_LOCK
+# define LOCALE_UNLOCK
+# define LOCALE_TERM STMT_START { _LOCALE_TERM_POSIX_2008; } STMT_END
+# else /* Below is do use threads */
+# define LOCALE_INIT MUTEX_INIT(&PL_locale_mutex)
+# define LOCALE_LOCK MUTEX_LOCK(&PL_locale_mutex)
+# define LOCALE_UNLOCK MUTEX_UNLOCK(&PL_locale_mutex)
+# define LOCALE_TERM \
+ STMT_START { \
+ MUTEX_DESTROY(&PL_locale_mutex); \
+ _LOCALE_TERM_POSIX_2008; \
+ } STMT_END
+# ifdef HAS_POSIX_2008_LOCALE
+# define USE_POSIX_2008_LOCALE
+# define USE_THREAD_SAFE_LOCALE
+# endif
+# endif
/* Returns TRUE if the plain locale pragma without a parameter is in effect
*/
# define _CHECK_AND_WARN_PROBLEMATIC_LOCALE \
STMT_START { \
if (UNLIKELY(PL_warn_locale)) { \
- _warn_problematic_locale(); \
+ Perl__warn_problematic_locale(); \
} \
} STMT_END
# else
} STMT_END
# endif /* PERL_CORE or PERL_IN_XSUB_RE */
-
-#if defined(USE_ITHREADS) \
- && defined(HAS_NEWLOCALE) \
- && defined(LC_ALL_MASK) \
- && defined(HAS_FREELOCALE) \
- && defined(HAS_USELOCALE) \
- && ! defined(NO_THREAD_SAFE_USELOCALE)
-
- /* The code is written for simplicity to assume that any platform advanced
- * enough to have the Posix 2008 locale functions has LC_ALL. The test
- * above makes sure that assumption is valid */
-
-# define USE_THREAD_SAFE_LOCALE
-#endif
-
#else /* No locale usage */
# define LOCALE_INIT
# define LOCALE_TERM
*/
-#define _NOT_IN_NUMERIC_STANDARD (! PL_numeric_standard)
+# define _NOT_IN_NUMERIC_STANDARD (! PL_numeric_standard)
/* We can lock the category to stay in the C locale, making requests to the
* contrary be noops, in the dynamic scope by setting PL_numeric_standard to 2.
* */
-#define _NOT_IN_NUMERIC_UNDERLYING \
- (! PL_numeric_local && PL_numeric_standard < 2)
+# define _NOT_IN_NUMERIC_UNDERLYING \
+ (! PL_numeric_underlying && PL_numeric_standard < 2)
-#define DECLARATION_FOR_LC_NUMERIC_MANIPULATION \
+# define DECLARATION_FOR_LC_NUMERIC_MANIPULATION \
void (*_restore_LC_NUMERIC_function)(pTHX) = NULL
-#define STORE_LC_NUMERIC_SET_TO_NEEDED() \
+# define STORE_LC_NUMERIC_SET_TO_NEEDED() \
if (IN_LC(LC_NUMERIC)) { \
if (_NOT_IN_NUMERIC_UNDERLYING) { \
- set_numeric_local(); \
+ Perl_set_numeric_underlying(aTHX); \
_restore_LC_NUMERIC_function = &Perl_set_numeric_standard; \
} \
} \
else { \
if (_NOT_IN_NUMERIC_STANDARD) { \
SET_NUMERIC_STANDARD(); \
- _restore_LC_NUMERIC_function = &Perl_set_numeric_local; \
+ _restore_LC_NUMERIC_function = &Perl_set_numeric_underlying; \
} \
}
-#define RESTORE_LC_NUMERIC() \
+# define RESTORE_LC_NUMERIC() \
if (_restore_LC_NUMERIC_function) { \
_restore_LC_NUMERIC_function(aTHX); \
}
/* The next two macros set unconditionally. These should be rarely used, and
* only after being sure that this is what is needed */
-#define SET_NUMERIC_STANDARD() \
- STMT_START { if (_NOT_IN_NUMERIC_STANDARD) set_numeric_standard(); \
- } STMT_END
+# define SET_NUMERIC_STANDARD() \
+ STMT_START { if (_NOT_IN_NUMERIC_STANDARD) \
+ Perl_set_numeric_standard(aTHX); \
+ } STMT_END
-#define SET_NUMERIC_UNDERLYING() \
+# define SET_NUMERIC_UNDERLYING() \
STMT_START { if (_NOT_IN_NUMERIC_UNDERLYING) \
- set_numeric_local(); } STMT_END
+ Perl_set_numeric_underlying(aTHX); } STMT_END
/* The rest of these LC_NUMERIC macros toggle to one or the other state, with
* the RESTORE_foo ones called to switch back, but only if need be */
-#define STORE_LC_NUMERIC_UNDERLYING_SET_STANDARD() \
- bool _was_local = _NOT_IN_NUMERIC_STANDARD; \
- if (_was_local) set_numeric_standard();
+# define STORE_LC_NUMERIC_UNDERLYING_SET_STANDARD() \
+ bool _was_underlying = _NOT_IN_NUMERIC_STANDARD; \
+ if (_was_underlying) Perl_set_numeric_standard(aTHX);
/* Doesn't change to underlying locale unless within the scope of some form of
* 'use locale'. This is the usual desired behavior. */
-#define STORE_LC_NUMERIC_STANDARD_SET_UNDERLYING() \
+# define STORE_LC_NUMERIC_STANDARD_SET_UNDERLYING() \
bool _was_standard = _NOT_IN_NUMERIC_UNDERLYING \
&& IN_LC(LC_NUMERIC); \
- if (_was_standard) set_numeric_local();
+ if (_was_standard) Perl_set_numeric_underlying(aTHX);
/* Rarely, we want to change to the underlying locale even outside of 'use
* locale'. This is principally in the POSIX:: functions */
-#define STORE_LC_NUMERIC_FORCE_TO_UNDERLYING() \
+# define STORE_LC_NUMERIC_FORCE_TO_UNDERLYING() \
if (_NOT_IN_NUMERIC_UNDERLYING) { \
- set_numeric_local(); \
+ Perl_set_numeric_underlying(aTHX); \
_restore_LC_NUMERIC_function = &Perl_set_numeric_standard; \
}
-/* Lock to the C locale until unlock is called */
-#define LOCK_LC_NUMERIC_STANDARD() \
+/* Lock/unlock to the C locale until unlock is called. This needs to be
+ * recursively callable. [perl #128207] */
+# define LOCK_LC_NUMERIC_STANDARD() \
(__ASSERT_(PL_numeric_standard) \
- PL_numeric_standard = 2)
-
-#define UNLOCK_LC_NUMERIC_STANDARD() \
- (__ASSERT_(PL_numeric_standard == 2) \
- PL_numeric_standard = 1)
+ PL_numeric_standard++)
+# define UNLOCK_LC_NUMERIC_STANDARD() \
+ STMT_START { \
+ if (PL_numeric_standard > 1) { \
+ PL_numeric_standard--; \
+ } \
+ else { \
+ assert(0); \
+ } \
+ } STMT_END
-#define RESTORE_LC_NUMERIC_UNDERLYING() \
- if (_was_local) set_numeric_local();
+# define RESTORE_LC_NUMERIC_UNDERLYING() \
+ if (_was_underlying) Perl_set_numeric_underlying(aTHX);
-#define RESTORE_LC_NUMERIC_STANDARD() \
+# define RESTORE_LC_NUMERIC_STANDARD() \
if (_restore_LC_NUMERIC_function) { \
_restore_LC_NUMERIC_function(aTHX); \
}
#else /* !USE_LOCALE_NUMERIC */
-#define SET_NUMERIC_STANDARD()
-#define SET_NUMERIC_UNDERLYING()
-#define IS_NUMERIC_RADIX(a, b) (0)
-#define STORE_LC_NUMERIC_UNDERLYING_SET_STANDARD()
-#define STORE_LC_NUMERIC_STANDARD_SET_UNDERLYING()
-#define STORE_LC_NUMERIC_FORCE_TO_UNDERLYING()
-#define RESTORE_LC_NUMERIC_UNDERLYING()
-#define RESTORE_LC_NUMERIC_STANDARD()
-#define DECLARATION_FOR_LC_NUMERIC_MANIPULATION
-#define STORE_LC_NUMERIC_SET_TO_NEEDED()
-#define RESTORE_LC_NUMERIC()
-#define LOCK_LC_NUMERIC_STANDARD()
-#define UNLOCK_LC_NUMERIC_STANDARD()
+# define SET_NUMERIC_STANDARD()
+# define SET_NUMERIC_UNDERLYING()
+# define IS_NUMERIC_RADIX(a, b) (0)
+# define STORE_LC_NUMERIC_UNDERLYING_SET_STANDARD()
+# define STORE_LC_NUMERIC_STANDARD_SET_UNDERLYING()
+# define STORE_LC_NUMERIC_FORCE_TO_UNDERLYING()
+# define RESTORE_LC_NUMERIC_UNDERLYING()
+# define RESTORE_LC_NUMERIC_STANDARD()
+# define DECLARATION_FOR_LC_NUMERIC_MANIPULATION
+# define STORE_LC_NUMERIC_SET_TO_NEEDED()
+# define RESTORE_LC_NUMERIC()
+# define LOCK_LC_NUMERIC_STANDARD()
+# define UNLOCK_LC_NUMERIC_STANDARD()
#endif /* !USE_LOCALE_NUMERIC */
#define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED \
DECLARATION_FOR_LC_NUMERIC_MANIPULATION
#define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED() \
- DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED; \
- STORE_LC_NUMERIC_SET_TO_NEEDED();
+ STMT_START { \
+ DECLARATION_FOR_LC_NUMERIC_MANIPULATION; \
+ STORE_LC_NUMERIC_SET_TO_NEEDED(); \
+ STMT_END
#define LOCK_NUMERIC_STANDARD() LOCK_LC_NUMERIC_STANDARD()
#define RESTORE_NUMERIC_LOCAL() RESTORE_LC_NUMERIC_UNDERLYING()
#define RESTORE_NUMERIC_STANDARD() RESTORE_LC_NUMERIC_STANDARD()
# ifdef __hpux
# define strtoll __strtoll /* secret handshake */
# endif
-# ifdef WIN64
+# if defined(WIN64) && defined(_MSC_VER)
# define strtoll _strtoi64 /* secret handshake */
# endif
# if !defined(Strtol) && defined(HAS_STRTOLL)
# ifdef __hpux
# define strtoull __strtoull /* secret handshake */
# endif
-# ifdef WIN64
+# if defined(WIN64) && defined(_MSC_VER)
# define strtoull _strtoui64 /* secret handshake */
# endif
# if !defined(Strtoul) && defined(HAS_STRTOULL)
# define semun gccbug_semun
# endif
# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
-# else
-# ifdef USE_SEMCTL_SEMID_DS
+# elif defined(USE_SEMCTL_SEMID_DS)
# ifdef EXTRA_F_IN_SEMUN_BUF
# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
# else
# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
# endif
-# endif
# endif
#endif
# endif
#endif
+/* We have somehow managed not to define the denormal/subnormal
+ * detection.
+ *
+ * This may happen if the compiler doesn't expose the C99 math like
+ * the fpclassify() without some special switches. Perl tries to
+ * stay C89, so for example -std=c99 is not an option.
+ *
+ * The Perl_isinf() and Perl_isnan() should have been defined even if
+ * the C99 isinf() and isnan() are unavailable, and the NV_MIN becomes
+ * from the C89 DBL_MIN or moral equivalent. */
+#if !defined(Perl_fp_class_denorm) && defined(Perl_isinf) && defined(Perl_isnan) && defined(NV_MIN)
+# define Perl_fp_class_denorm(x) ((x) != 0.0 && !Perl_isinf(x) && !Perl_isnan(x) && PERL_ABS(x) < NV_MIN)
+#endif
+
+/* This is not a great fallback: subnormals tests will fail,
+ * but at least Perl will link and 99.999% of tests will work. */
+#if !defined(Perl_fp_class_denorm)
+# define Perl_fp_class_denorm(x) FALSE
+#endif
+
#ifdef DOUBLE_IS_IEEE_FORMAT
# define DOUBLE_HAS_INF
# define DOUBLE_HAS_NAN
https://perl5.git.perl.org / perl5.git / blobdiff