module's C<XS_VERSION> variable. This is usually handled automatically by
C<xsubpp>. See L<perlxs/"The VERSIONCHECK: Keyword">.
+=for apidoc Ams||XS_APIVERSION_BOOTCHECK
+Macro to verify that the perl api version an XS module has been compiled against
+matches the api version of the perl interpreter it's being loaded into.
+
=head1 Simple Exception Handling Macros
=for apidoc Ams||dXCPT
#define newXSproto(a,b,c,d) newXS_flags(a,b,c,d,0)
#ifdef XS_VERSION
-# define XS_VERSION_BOOTCHECK \
+# define XS_VERSION_BOOTCHECK \
STMT_START { \
SV *_sv; \
const char *vn = NULL, *module = SvPV_nolen_const(ST(0)); \
_sv = get_sv(Perl_form(aTHX_ "%s::%s", module, \
vn = "XS_VERSION"), FALSE); \
if (!_sv || !SvOK(_sv)) \
- _sv = get_sv(Perl_form(aTHX_ "%s::%s", module, \
+ _sv = get_sv(Perl_form(aTHX_ "%s::%s", module, \
vn = "VERSION"), FALSE); \
} \
if (_sv) { \
- SV *xssv = Perl_newSVpv(aTHX_ XS_VERSION, 0); \
- xssv = new_version(xssv); \
- if ( !sv_derived_from(_sv, "version") ) \
- _sv = new_version(_sv); \
- if ( vcmp(_sv,xssv) ) \
- Perl_croak(aTHX_ "%s object version %"SVf" does not match %s%s%s%s %"SVf,\
- module, SVfARG(vstringify(xssv)), \
- vn ? "$" : "", vn ? module : "", vn ? "::" : "", \
- vn ? vn : "bootstrap parameter", SVfARG(vstringify(_sv)));\
+ SV *xpt = NULL; \
+ SV *xssv = Perl_newSVpvn(aTHX_ STR_WITH_LEN(XS_VERSION)); \
+ SV *pmsv = sv_derived_from(_sv, "version") \
+ ? SvREFCNT_inc_simple_NN(_sv) \
+ : new_version(_sv); \
+ xssv = upg_version(xssv, 0); \
+ if ( vcmp(pmsv,xssv) ) { \
+ xpt = Perl_newSVpvf(aTHX_ "%s object version %"SVf \
+ " does not match %s%s%s%s %"SVf, \
+ module, \
+ SVfARG(Perl_sv_2mortal(aTHX_ vstringify(xssv))), \
+ vn ? "$" : "", vn ? module : "", \
+ vn ? "::" : "", \
+ vn ? vn : "bootstrap parameter", \
+ SVfARG(Perl_sv_2mortal(aTHX_ vstringify(pmsv)))); \
+ Perl_sv_2mortal(aTHX_ xpt); \
+ } \
+ SvREFCNT_dec(xssv); \
+ SvREFCNT_dec(pmsv); \
+ if (xpt) \
+ Perl_croak_sv(aTHX_ xpt); \
} \
} STMT_END
#else
# define XS_VERSION_BOOTCHECK
#endif
+#define XS_APIVERSION_BOOTCHECK \
+ STMT_START { \
+ SV *_xpt = NULL; \
+ SV *_compver = Perl_newSVpv(aTHX_ "v" PERL_API_VERSION_STRING, 0); \
+ SV *_runver = new_version(PL_apiversion); \
+ _compver = upg_version(_compver, 0); \
+ if (vcmp(_compver, _runver)) { \
+ _xpt = Perl_newSVpvf(aTHX_ "Perl API version %"SVf \
+ " of %s does not match %"SVf, \
+ SVfARG(Perl_sv_2mortal(aTHX_ vstringify(_compver))), \
+ SvPV_nolen_const(ST(0)), \
+ SVfARG(Perl_sv_2mortal(aTHX_ vstringify(_runver)))); \
+ Perl_sv_2mortal(aTHX_ _xpt); \
+ } \
+ SvREFCNT_dec(_compver); \
+ SvREFCNT_dec(_runver); \
+ if (_xpt) \
+ Perl_croak_sv(aTHX_ _xpt); \
+ } STMT_END
+
#ifdef NO_XSLOCKS
# define dXCPT dJMPENV; int rEtV = 0
# define XCPT_TRY_START JMPENV_PUSH(rEtV); if (rEtV == 0)
# define XCPT_RETHROW JMPENV_JUMP(rEtV)
#endif
-/*
- The DBM_setFilter & DBM_ckFilter macros are only used by
- the *DB*_File modules
+/*
+ The DBM_setFilter & DBM_ckFilter macros are only used by
+ the *DB*_File modules
*/
#define DBM_setFilter(db_type,code) \