/home/.cpan/build/B-COW-0.004-0
Edit: /home/.cpan/build/B-COW-0.004-0/COW.c (7945B)
/*
* This file was generated automatically by ExtUtils::ParseXS version 3.35 from the
* contents of COW.xs. Do not edit this file, edit COW.xs instead.
*
* ANY CHANGES MADE HERE WILL BE LOST!
*
*/
#line 1 "COW.xs"
/*
*
* Copyright (c) 2018, Nicolas R.
*
* This is free software; you can redistribute it and/or modify it under the
* same terms as Perl itself.
*
*/
#include
#include
#include
#include
#define MIN_PERL_VERSION_FOR_COW 20
#if defined(SV_COW_REFCNT_MAX)
# define B_CAN_COW 1
#else
# define B_CAN_COW 0
#endif
/* CowREFCNT is incorrect on Perl < 5.32 */
#define myCowREFCNT(sv) ((SvLEN(sv)>0) ? CowREFCNT(sv) : 0)
#line 37 "COW.c"
#ifndef PERL_UNUSED_VAR
# define PERL_UNUSED_VAR(var) if (0) var = var
#endif
#ifndef dVAR
# define dVAR dNOOP
#endif
/* This stuff is not part of the API! You have been warned. */
#ifndef PERL_VERSION_DECIMAL
# define PERL_VERSION_DECIMAL(r,v,s) (r*1000000 + v*1000 + s)
#endif
#ifndef PERL_DECIMAL_VERSION
# define PERL_DECIMAL_VERSION \
PERL_VERSION_DECIMAL(PERL_REVISION,PERL_VERSION,PERL_SUBVERSION)
#endif
#ifndef PERL_VERSION_GE
# define PERL_VERSION_GE(r,v,s) \
(PERL_DECIMAL_VERSION >= PERL_VERSION_DECIMAL(r,v,s))
#endif
#ifndef PERL_VERSION_LE
# define PERL_VERSION_LE(r,v,s) \
(PERL_DECIMAL_VERSION <= PERL_VERSION_DECIMAL(r,v,s))
#endif
/* XS_INTERNAL is the explicit static-linkage variant of the default
* XS macro.
*
* XS_EXTERNAL is the same as XS_INTERNAL except it does not include
* "STATIC", ie. it exports XSUB symbols. You probably don't want that
* for anything but the BOOT XSUB.
*
* See XSUB.h in core!
*/
/* TODO: This might be compatible further back than 5.10.0. */
#if PERL_VERSION_GE(5, 10, 0) && PERL_VERSION_LE(5, 15, 1)
# undef XS_EXTERNAL
# undef XS_INTERNAL
# if defined(__CYGWIN__) && defined(USE_DYNAMIC_LOADING)
# define XS_EXTERNAL(name) __declspec(dllexport) XSPROTO(name)
# define XS_INTERNAL(name) STATIC XSPROTO(name)
# endif
# if defined(__SYMBIAN32__)
# define XS_EXTERNAL(name) EXPORT_C XSPROTO(name)
# define XS_INTERNAL(name) EXPORT_C STATIC XSPROTO(name)
# endif
# ifndef XS_EXTERNAL
# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
# define XS_EXTERNAL(name) void name(pTHX_ CV* cv __attribute__unused__)
# define XS_INTERNAL(name) STATIC void name(pTHX_ CV* cv __attribute__unused__)
# else
# ifdef __cplusplus
# define XS_EXTERNAL(name) extern "C" XSPROTO(name)
# define XS_INTERNAL(name) static XSPROTO(name)
# else
# define XS_EXTERNAL(name) XSPROTO(name)
# define XS_INTERNAL(name) STATIC XSPROTO(name)
# endif
# endif
# endif
#endif
/* perl >= 5.10.0 && perl <= 5.15.1 */
/* The XS_EXTERNAL macro is used for functions that must not be static
* like the boot XSUB of a module. If perl didn't have an XS_EXTERNAL
* macro defined, the best we can do is assume XS is the same.
* Dito for XS_INTERNAL.
*/
#ifndef XS_EXTERNAL
# define XS_EXTERNAL(name) XS(name)
#endif
#ifndef XS_INTERNAL
# define XS_INTERNAL(name) XS(name)
#endif
/* Now, finally, after all this mess, we want an ExtUtils::ParseXS
* internal macro that we're free to redefine for varying linkage due
* to the EXPORT_XSUB_SYMBOLS XS keyword. This is internal, use
* XS_EXTERNAL(name) or XS_INTERNAL(name) in your code if you need to!
*/
#undef XS_EUPXS
#if defined(PERL_EUPXS_ALWAYS_EXPORT)
# define XS_EUPXS(name) XS_EXTERNAL(name)
#else
/* default to internal */
# define XS_EUPXS(name) XS_INTERNAL(name)
#endif
#ifndef PERL_ARGS_ASSERT_CROAK_XS_USAGE
#define PERL_ARGS_ASSERT_CROAK_XS_USAGE assert(cv); assert(params)
/* prototype to pass -Wmissing-prototypes */
STATIC void
S_croak_xs_usage(const CV *const cv, const char *const params);
STATIC void
S_croak_xs_usage(const CV *const cv, const char *const params)
{
const GV *const gv = CvGV(cv);
PERL_ARGS_ASSERT_CROAK_XS_USAGE;
if (gv) {
const char *const gvname = GvNAME(gv);
const HV *const stash = GvSTASH(gv);
const char *const hvname = stash ? HvNAME(stash) : NULL;
if (hvname)
Perl_croak_nocontext("Usage: %s::%s(%s)", hvname, gvname, params);
else
Perl_croak_nocontext("Usage: %s(%s)", gvname, params);
} else {
/* Pants. I don't think that it should be possible to get here. */
Perl_croak_nocontext("Usage: CODE(0x%" UVxf ")(%s)", PTR2UV(cv), params);
}
}
#undef PERL_ARGS_ASSERT_CROAK_XS_USAGE
#define croak_xs_usage S_croak_xs_usage
#endif
/* NOTE: the prototype of newXSproto() is different in versions of perls,
* so we define a portable version of newXSproto()
*/
#ifdef newXS_flags
#define newXSproto_portable(name, c_impl, file, proto) newXS_flags(name, c_impl, file, proto, 0)
#else
#define newXSproto_portable(name, c_impl, file, proto) (PL_Sv=(SV*)newXS(name, c_impl, file), sv_setpv(PL_Sv, proto), (CV*)PL_Sv)
#endif /* !defined(newXS_flags) */
#if PERL_VERSION_LE(5, 21, 5)
# define newXS_deffile(a,b) Perl_newXS(aTHX_ a,b,file)
#else
# define newXS_deffile(a,b) Perl_newXS_deffile(aTHX_ a,b)
#endif
#line 181 "COW.c"
XS_EUPXS(XS_B__COW_can_cow); /* prototype to pass -Wmissing-prototypes */
XS_EUPXS(XS_B__COW_can_cow)
{
dVAR; dXSARGS;
if (items != 0)
croak_xs_usage(cv, "");
{
SV * RETVAL;
#line 32 "COW.xs"
{
#if B_CAN_COW
XSRETURN_YES;
#else
XSRETURN_NO;
#endif
}
#line 199 "COW.c"
RETVAL = sv_2mortal(RETVAL);
ST(0) = RETVAL;
}
XSRETURN(1);
}
XS_EUPXS(XS_B__COW_is_cow); /* prototype to pass -Wmissing-prototypes */
XS_EUPXS(XS_B__COW_is_cow)
{
dVAR; dXSARGS;
if (items != 1)
croak_xs_usage(cv, "sv");
{
SV * sv = ST(0)
;
SV * RETVAL;
#line 46 "COW.xs"
{
/* not exactly accurate but let's start there */
#if !B_CAN_COW
XSRETURN_UNDEF;
#else
if ( SvPOK(sv) && SvIsCOW(sv) ) XSRETURN_YES;
#endif
XSRETURN_NO;
}
#line 227 "COW.c"
RETVAL = sv_2mortal(RETVAL);
ST(0) = RETVAL;
}
XSRETURN(1);
}
XS_EUPXS(XS_B__COW_cowrefcnt); /* prototype to pass -Wmissing-prototypes */
XS_EUPXS(XS_B__COW_cowrefcnt)
{
dVAR; dXSARGS;
if (items != 1)
croak_xs_usage(cv, "sv");
{
SV * sv = ST(0)
;
SV * RETVAL;
#line 62 "COW.xs"
{
#if !B_CAN_COW
XSRETURN_UNDEF;
#else
if ( SvIsCOW(sv) ) XSRETURN_IV( myCowREFCNT(sv) );
#endif
XSRETURN_UNDEF;
}
#line 254 "COW.c"
RETVAL = sv_2mortal(RETVAL);
ST(0) = RETVAL;
}
XSRETURN(1);
}
XS_EUPXS(XS_B__COW_cowrefcnt_max); /* prototype to pass -Wmissing-prototypes */
XS_EUPXS(XS_B__COW_cowrefcnt_max)
{
dVAR; dXSARGS;
if (items != 0)
croak_xs_usage(cv, "");
{
SV * RETVAL;
#line 76 "COW.xs"
{
#if !B_CAN_COW
XSRETURN_UNDEF;
#else
XSRETURN_IV(SV_COW_REFCNT_MAX);
#endif
}
#line 278 "COW.c"
RETVAL = sv_2mortal(RETVAL);
ST(0) = RETVAL;
}
XSRETURN(1);
}
#ifdef __cplusplus
extern "C"
#endif
XS_EXTERNAL(boot_B__COW); /* prototype to pass -Wmissing-prototypes */
XS_EXTERNAL(boot_B__COW)
{
#if PERL_VERSION_LE(5, 21, 5)
dVAR; dXSARGS;
#else
dVAR; dXSBOOTARGSXSAPIVERCHK;
#endif
#if (PERL_REVISION == 5 && PERL_VERSION < 9)
char* file = __FILE__;
#else
const char* file = __FILE__;
#endif
PERL_UNUSED_VAR(file);
PERL_UNUSED_VAR(cv); /* -W */
PERL_UNUSED_VAR(items); /* -W */
#if PERL_VERSION_LE(5, 21, 5)
XS_VERSION_BOOTCHECK;
# ifdef XS_APIVERSION_BOOTCHECK
XS_APIVERSION_BOOTCHECK;
# endif
#endif
newXS_deffile("B::COW::can_cow", XS_B__COW_can_cow);
newXS_deffile("B::COW::is_cow", XS_B__COW_is_cow);
newXS_deffile("B::COW::cowrefcnt", XS_B__COW_cowrefcnt);
newXS_deffile("B::COW::cowrefcnt_max", XS_B__COW_cowrefcnt_max);
#if PERL_VERSION_LE(5, 21, 5)
# if PERL_VERSION_GE(5, 9, 0)
if (PL_unitcheckav)
call_list(PL_scopestack_ix, PL_unitcheckav);
# endif
XSRETURN_YES;
#else
Perl_xs_boot_epilog(aTHX_ ax);
#endif
}