X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=ext%2FStorable%2FStorable.xs;h=84d76aa2fbcd42d65f5dc08865fa4a6c4b1eb8c9;hb=2018a5c31a07546d28320839d66a2fd3f203fa85;hp=68d8e26ead9ec7aa7cc4a8f2b530e98fc7ed6372;hpb=ca732855658630b07dee4aa9ea6ae952226bd828;p=p5sagit%2Fp5-mst-13.2.git diff --git a/ext/Storable/Storable.xs b/ext/Storable/Storable.xs index 68d8e26..84d76aa 100644 --- a/ext/Storable/Storable.xs +++ b/ext/Storable/Storable.xs @@ -86,6 +86,13 @@ typedef double NV; /* Older perls lack the NV type */ #endif #endif +#ifndef SvRV_set +#define SvRV_set(sv, val) \ + STMT_START { \ + assert(SvTYPE(sv) >= SVt_RV); \ + (((XRV*)SvANY(sv))->xrv_rv = (val)); \ + } STMT_END +#endif #ifndef PERL_UNUSED_DECL # ifdef HASATTRIBUTE @@ -107,6 +114,24 @@ typedef double NV; /* Older perls lack the NV type */ #define dVAR dNOOP #endif +#ifndef HvRITER_set +# define HvRITER_set(hv,r) (HvRITER(hv) = r) +#endif +#ifndef HvEITER_set +# define HvEITER_set(hv,r) (HvEITER(hv) = r) +#endif + +#ifndef HvRITER_get +# define HvRITER_get HvRITER +#endif +#ifndef HvEITER_get +# define HvEITER_get HvEITER +#endif + +#ifndef HvNAME_get +#define HvNAME_get HvNAME +#endif + #ifndef HvPLACEHOLDERS_get # define HvPLACEHOLDERS_get HvPLACEHOLDERS #endif @@ -354,7 +379,7 @@ typedef struct stcxt { PerlIO *fio; /* where I/O are performed, NULL for memory */ int ver_major; /* major of version for retrieved object */ int ver_minor; /* minor of version for retrieved object */ - SV *(**retrieve_vtbl)(pTHX_ struct stcxt *, char *); /* retrieve dispatch table */ + SV *(**retrieve_vtbl)(pTHX_ struct stcxt *, const char *); /* retrieve dispatch table */ SV *prev; /* contexts chained backwards in real recursion */ SV *my_sv; /* the blessed scalar who's SvPVX() I am */ } stcxt_t; @@ -1039,7 +1064,7 @@ static const char byteorderstr_56[] = {BYTEORDER_BYTES_56, 0}; #endif /* PATCHLEVEL <= 6 */ static int store(pTHX_ stcxt_t *cxt, SV *sv); -static SV *retrieve(pTHX_ stcxt_t *cxt, char *cname); +static SV *retrieve(pTHX_ stcxt_t *cxt, const char *cname); /* * Dynamic dispatching table for SV store. @@ -1074,24 +1099,24 @@ static const sv_store_t sv_store[] = { * Dynamic dispatching tables for SV retrieval. */ -static SV *retrieve_lscalar(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_lutf8str(pTHX_ stcxt_t *cxt, char *cname); -static SV *old_retrieve_array(pTHX_ stcxt_t *cxt, char *cname); -static SV *old_retrieve_hash(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_ref(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_undef(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_integer(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_double(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_byte(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_netint(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_scalar(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_utf8str(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_tied_array(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_tied_hash(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_tied_scalar(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_other(pTHX_ stcxt_t *cxt, char *cname); - -typedef SV* (*sv_retrieve_t)(pTHX_ stcxt_t *cxt, char *name); +static SV *retrieve_lscalar(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_lutf8str(pTHX_ stcxt_t *cxt, const char *cname); +static SV *old_retrieve_array(pTHX_ stcxt_t *cxt, const char *cname); +static SV *old_retrieve_hash(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_ref(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_undef(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_integer(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_double(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_byte(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_netint(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_scalar(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_utf8str(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_tied_array(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_tied_hash(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_tied_scalar(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_other(pTHX_ stcxt_t *cxt, const char *cname); + +typedef SV* (*sv_retrieve_t)(pTHX_ stcxt_t *cxt, const char *name); static const sv_retrieve_t sv_old_retrieve[] = { 0, /* SX_OBJECT -- entry unused dynamically */ @@ -1126,21 +1151,21 @@ static const sv_retrieve_t sv_old_retrieve[] = { (sv_retrieve_t)retrieve_other, /* SX_ERROR */ }; -static SV *retrieve_array(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_hash(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_sv_undef(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_sv_yes(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_sv_no(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_blessed(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_idx_blessed(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_hook(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_overloaded(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_tied_key(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_tied_idx(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_flag_hash(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_code(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_weakref(pTHX_ stcxt_t *cxt, char *cname); -static SV *retrieve_weakoverloaded(pTHX_ stcxt_t *cxt, char *cname); +static SV *retrieve_array(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_hash(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_sv_undef(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_sv_yes(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_sv_no(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_blessed(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_idx_blessed(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_hook(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_overloaded(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_tied_key(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_tied_idx(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_flag_hash(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_code(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_weakref(pTHX_ stcxt_t *cxt, const char *cname); +static SV *retrieve_weakoverloaded(pTHX_ stcxt_t *cxt, const char *cname); static const sv_retrieve_t sv_retrieve[] = { 0, /* SX_OBJECT -- entry unused dynamically */ @@ -1583,7 +1608,7 @@ static void free_context(pTHX_ stcxt_t *cxt) * * Tells whether we're in the middle of a store operation. */ -int is_storing(pTHX) +static int is_storing(pTHX) { dSTCXT; @@ -1595,7 +1620,7 @@ int is_storing(pTHX) * * Tells whether we're in the middle of a retrieve operation. */ -int is_retrieving(pTHX) +static int is_retrieving(pTHX) { dSTCXT; @@ -1610,7 +1635,7 @@ int is_retrieving(pTHX) * This is typically out-of-band information that might prove useful * to people wishing to convert native to network order data when used. */ -int last_op_in_netorder(pTHX) +static int last_op_in_netorder(pTHX) { dSTCXT; @@ -1637,6 +1662,8 @@ static SV *pkg_fetchmeth( { GV *gv; SV *sv; + const char *hvname = HvNAME_get(pkg); + /* * The following code is the same as the one performed by UNIVERSAL::can @@ -1646,10 +1673,10 @@ static SV *pkg_fetchmeth( gv = gv_fetchmethod_autoload(pkg, method, FALSE); if (gv && isGV(gv)) { sv = newRV((SV*) GvCV(gv)); - TRACEME(("%s->%s: 0x%"UVxf, HvNAME(pkg), method, PTR2UV(sv))); + TRACEME(("%s->%s: 0x%"UVxf, hvname, method, PTR2UV(sv))); } else { sv = newSVsv(&PL_sv_undef); - TRACEME(("%s->%s: not found", HvNAME(pkg), method)); + TRACEME(("%s->%s: not found", hvname, method)); } /* @@ -1657,7 +1684,7 @@ static SV *pkg_fetchmeth( * it just won't be cached. */ - (void) hv_store(cache, HvNAME(pkg), strlen(HvNAME(pkg)), sv, 0); + (void) hv_store(cache, hvname, strlen(hvname), sv, 0); return SvOK(sv) ? sv : (SV *) 0; } @@ -1673,8 +1700,9 @@ static void pkg_hide( HV *pkg, char *method) { + const char *hvname = HvNAME_get(pkg); (void) hv_store(cache, - HvNAME(pkg), strlen(HvNAME(pkg)), newSVsv(&PL_sv_undef), 0); + hvname, strlen(hvname), newSVsv(&PL_sv_undef), 0); } /* @@ -1688,7 +1716,8 @@ static void pkg_uncache( HV *pkg, char *method) { - (void) hv_delete(cache, HvNAME(pkg), strlen(HvNAME(pkg)), G_DISCARD); + const char *hvname = HvNAME_get(pkg); + (void) hv_delete(cache, hvname, strlen(hvname), G_DISCARD); } /* @@ -1707,8 +1736,9 @@ static SV *pkg_can( { SV **svh; SV *sv; + const char *hvname = HvNAME_get(pkg); - TRACEME(("pkg_can for %s->%s", HvNAME(pkg), method)); + TRACEME(("pkg_can for %s->%s", hvname, method)); /* * Look into the cache to see whether we already have determined @@ -1718,15 +1748,15 @@ static SV *pkg_can( * that only one hook (i.e. always the same) is cached in a given cache. */ - svh = hv_fetch(cache, HvNAME(pkg), strlen(HvNAME(pkg)), FALSE); + svh = hv_fetch(cache, hvname, strlen(hvname), FALSE); if (svh) { sv = *svh; if (!SvOK(sv)) { - TRACEME(("cached %s->%s: not found", HvNAME(pkg), method)); + TRACEME(("cached %s->%s: not found", hvname, method)); return (SV *) 0; } else { TRACEME(("cached %s->%s: 0x%"UVxf, - HvNAME(pkg), method, PTR2UV(sv))); + hvname, method, PTR2UV(sv))); return sv; } } @@ -2260,8 +2290,8 @@ static int store_hash(pTHX_ stcxt_t *cxt, HV *hv) * Save possible iteration state via each() on that table. */ - riter = HvRITER(hv); - eiter = HvEITER(hv); + riter = HvRITER_get(hv); + eiter = HvEITER_get(hv); hv_iterinit(hv); /* @@ -2437,7 +2467,7 @@ static int store_hash(pTHX_ stcxt_t *cxt, HV *hv) */ for (i = 0; i < len; i++) { - char *key; + char *key = 0; I32 len; unsigned char flags; #ifdef HV_ITERNEXT_WANTPLACEHOLDERS @@ -2529,8 +2559,8 @@ static int store_hash(pTHX_ stcxt_t *cxt, HV *hv) TRACEME(("ok (hash 0x%"UVxf")", PTR2UV(hv))); out: - HvRITER(hv) = riter; /* Restore hash iterator state */ - HvEITER(hv) = eiter; + HvRITER_set(hv, riter); /* Restore hash iterator state */ + HvEITER_set(hv, eiter); return ret; } @@ -2603,7 +2633,7 @@ static int store_code(pTHX_ stcxt_t *cxt, CV *cv) CROAK(("Unexpected return value from B::Deparse::coderef2text\n")); text = POPs; - len = SvLEN(text); + len = SvCUR(text); reallen = strlen(SvPV_nolen(text)); /* @@ -2835,7 +2865,7 @@ static int store_hook( char mtype = '\0'; /* for blessed ref to tied structures */ unsigned char eflags = '\0'; /* used when object type is SHT_EXTRA */ - TRACEME(("store_hook, classname \"%s\", tagged #%d", HvNAME(pkg), cxt->tagnum)); + TRACEME(("store_hook, classname \"%s\", tagged #%d", HvNAME_get(pkg), cxt->tagnum)); /* * Determine object type on 2 bits. @@ -2886,7 +2916,7 @@ static int store_hook( } flags = SHF_NEED_RECURSE | obj_type; - classname = HvNAME(pkg); + classname = HvNAME_get(pkg); len = strlen(classname); /* @@ -2994,7 +3024,7 @@ static int store_hook( failure, whereas the existing code assumes that it can safely store a tag zero. So for ptr_tables we store tag+1 */ - if (fake_tag = ptr_table_fetch(cxt->pseen, xsv)) + if ((fake_tag = ptr_table_fetch(cxt->pseen, xsv))) goto sv_seen; /* Avoid moving code too far to the right */ #else if ((svh = hv_fetch(cxt->hseen, (char *) &xsv, sizeof(xsv), FALSE))) @@ -3069,7 +3099,7 @@ static int store_hook( #else tag = *svh; #endif - ary[i] = tag + ary[i] = tag; TRACEME(("listed object %d at 0x%"UVxf" is tag #%"UVuf, i-1, PTR2UV(xsv), PTR2UV(tag))); } @@ -3254,7 +3284,7 @@ static int store_blessed( char *classname; I32 classnum; - TRACEME(("store_blessed, type %d, class \"%s\"", type, HvNAME(pkg))); + TRACEME(("store_blessed, type %d, class \"%s\"", type, HvNAME_get(pkg))); /* * Look for a hook for this blessed SV and redirect to store_hook() @@ -3269,7 +3299,7 @@ static int store_blessed( * This is a blessed SV without any serialization hook. */ - classname = HvNAME(pkg); + classname = HvNAME_get(pkg); len = strlen(classname); TRACEME(("blessed 0x%"UVxf" in %s, no hook: tagged #%d", @@ -3776,7 +3806,7 @@ static int do_store( * Store the transitive data closure of given object to disk. * Returns 0 on error, a true value otherwise. */ -int pstore(pTHX_ PerlIO *f, SV *sv) +static int pstore(pTHX_ PerlIO *f, SV *sv) { TRACEME(("pstore")); return do_store(aTHX_ f, sv, 0, FALSE, (SV**) 0); @@ -3789,7 +3819,7 @@ int pstore(pTHX_ PerlIO *f, SV *sv) * Same as pstore(), but network order is used for integers and doubles are * emitted as strings. */ -int net_pstore(pTHX_ PerlIO *f, SV *sv) +static int net_pstore(pTHX_ PerlIO *f, SV *sv) { TRACEME(("net_pstore")); return do_store(aTHX_ f, sv, 0, TRUE, (SV**) 0); @@ -3817,7 +3847,7 @@ static SV *mbuf2sv(pTHX) * Store the transitive data closure of given object to memory. * Returns undef on error, a scalar value containing the data otherwise. */ -SV *mstore(pTHX_ SV *sv) +static SV *mstore(pTHX_ SV *sv) { SV *out; @@ -3835,7 +3865,7 @@ SV *mstore(pTHX_ SV *sv) * Same as mstore(), but network order is used for integers and doubles are * emitted as strings. */ -SV *net_mstore(pTHX_ SV *sv) +static SV *net_mstore(pTHX_ SV *sv) { SV *out; @@ -3857,7 +3887,7 @@ SV *net_mstore(pTHX_ SV *sv) * Return an error via croak, since it is not possible that we get here * under normal conditions, when facing a file produced via pstore(). */ -static SV *retrieve_other(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_other(pTHX_ stcxt_t *cxt, const char *cname) { if ( cxt->ver_major != STORABLE_BIN_MAJOR && @@ -3882,10 +3912,10 @@ static SV *retrieve_other(pTHX_ stcxt_t *cxt, char *cname) * Layout is SX_IX_BLESS with SX_IX_BLESS already read. * can be coded on either 1 or 5 bytes. */ -static SV *retrieve_idx_blessed(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_idx_blessed(pTHX_ stcxt_t *cxt, const char *cname) { I32 idx; - char *classname; + const char *classname; SV **sva; SV *sv; @@ -3923,7 +3953,7 @@ static SV *retrieve_idx_blessed(pTHX_ stcxt_t *cxt, char *cname) * Layout is SX_BLESS with SX_BLESS already read. * can be coded on either 1 or 5 bytes. */ -static SV *retrieve_blessed(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_blessed(pTHX_ stcxt_t *cxt, const char *cname) { I32 len; SV *sv; @@ -3989,7 +4019,7 @@ static SV *retrieve_blessed(pTHX_ stcxt_t *cxt, char *cname) * processing (since we won't have seen the magic object by the time the hook * is called). See comments below for why it was done that way. */ -static SV *retrieve_hook(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_hook(pTHX_ stcxt_t *cxt, const char *cname) { I32 len; char buf[LG_BLESS + 1]; /* Avoid malloc() if possible */ @@ -4253,19 +4283,14 @@ static SV *retrieve_hook(pTHX_ stcxt_t *cxt, char *cname) * Hook not found. Maybe they did not require the module where this * hook is defined yet? * - * If the require below succeeds, we'll be able to find the hook. + * If the load below succeeds, we'll be able to find the hook. * Still, it only works reliably when each class is defined in a * file of its own. */ - SV *psv = newSVpvn("require ", 8); - sv_catpv(psv, classname); - TRACEME(("No STORABLE_thaw defined for objects of class %s", classname)); - TRACEME(("Going to require module '%s' with '%s'", classname, SvPVX(psv))); - - perl_eval_sv(psv, G_DISCARD); - sv_free(psv); + TRACEME(("Going to load module '%s'", classname)); + load_module(PERL_LOADMOD_NOIMPORT, newSVpv(classname, 0), Nullsv); /* * We cache results of pkg_can, so we need to uncache before attempting @@ -4389,7 +4414,7 @@ static SV *retrieve_hook(pTHX_ stcxt_t *cxt, char *cname) * Retrieve reference to some other scalar. * Layout is SX_REF , with SX_REF already read. */ -static SV *retrieve_ref(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_ref(pTHX_ stcxt_t *cxt, const char *cname) { SV *rv; SV *sv; @@ -4449,7 +4474,7 @@ static SV *retrieve_ref(pTHX_ stcxt_t *cxt, char *cname) * Retrieve weak reference to some other scalar. * Layout is SX_WEAKREF , with SX_WEAKREF already read. */ -static SV *retrieve_weakref(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_weakref(pTHX_ stcxt_t *cxt, const char *cname) { SV *sv; @@ -4472,7 +4497,7 @@ static SV *retrieve_weakref(pTHX_ stcxt_t *cxt, char *cname) * Retrieve reference to some other scalar with overloading. * Layout is SX_OVERLOAD , with SX_OVERLOAD already read. */ -static SV *retrieve_overloaded(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_overloaded(pTHX_ stcxt_t *cxt, const char *cname) { SV *rv; SV *sv; @@ -4510,15 +4535,10 @@ static SV *retrieve_overloaded(pTHX_ stcxt_t *cxt, char *cname) PTR2UV(sv))); } if (!Gv_AMG(stash)) { - SV *psv = newSVpvn("require ", 8); - const char *package = HvNAME(stash); - sv_catpv(psv, package); - + const char *package = HvNAME_get(stash); TRACEME(("No overloading defined for package %s", package)); - TRACEME(("Going to require module '%s' with '%s'", package, SvPVX(psv))); - - perl_eval_sv(psv, G_DISCARD); - sv_free(psv); + TRACEME(("Going to load module '%s'", package)); + load_module(PERL_LOADMOD_NOIMPORT, newSVpv(package, 0), Nullsv); if (!Gv_AMG(stash)) { CROAK(("Cannot restore overloading on %s(0x%"UVxf ") (package %s) (even after a \"require %s;\")", @@ -4541,7 +4561,7 @@ static SV *retrieve_overloaded(pTHX_ stcxt_t *cxt, char *cname) * Retrieve weak overloaded reference to some other scalar. * Layout is SX_WEAKOVERLOADED , with SX_WEAKOVERLOADED already read. */ -static SV *retrieve_weakoverloaded(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_weakoverloaded(pTHX_ stcxt_t *cxt, const char *cname) { SV *sv; @@ -4564,7 +4584,7 @@ static SV *retrieve_weakoverloaded(pTHX_ stcxt_t *cxt, char *cname) * Retrieve tied array * Layout is SX_TIED_ARRAY , with SX_TIED_ARRAY already read. */ -static SV *retrieve_tied_array(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_tied_array(pTHX_ stcxt_t *cxt, const char *cname) { SV *tv; SV *sv; @@ -4593,7 +4613,7 @@ static SV *retrieve_tied_array(pTHX_ stcxt_t *cxt, char *cname) * Retrieve tied hash * Layout is SX_TIED_HASH , with SX_TIED_HASH already read. */ -static SV *retrieve_tied_hash(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_tied_hash(pTHX_ stcxt_t *cxt, const char *cname) { SV *tv; SV *sv; @@ -4621,7 +4641,7 @@ static SV *retrieve_tied_hash(pTHX_ stcxt_t *cxt, char *cname) * Retrieve tied scalar * Layout is SX_TIED_SCALAR , with SX_TIED_SCALAR already read. */ -static SV *retrieve_tied_scalar(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_tied_scalar(pTHX_ stcxt_t *cxt, const char *cname) { SV *tv; SV *sv, *obj = NULL; @@ -4657,7 +4677,7 @@ static SV *retrieve_tied_scalar(pTHX_ stcxt_t *cxt, char *cname) * Retrieve reference to value in a tied hash. * Layout is SX_TIED_KEY , with SX_TIED_KEY already read. */ -static SV *retrieve_tied_key(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_tied_key(pTHX_ stcxt_t *cxt, const char *cname) { SV *tv; SV *sv; @@ -4689,7 +4709,7 @@ static SV *retrieve_tied_key(pTHX_ stcxt_t *cxt, char *cname) * Retrieve reference to value in a tied array. * Layout is SX_TIED_IDX , with SX_TIED_IDX already read. */ -static SV *retrieve_tied_idx(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_tied_idx(pTHX_ stcxt_t *cxt, const char *cname) { SV *tv; SV *sv; @@ -4722,7 +4742,7 @@ static SV *retrieve_tied_idx(pTHX_ stcxt_t *cxt, char *cname) * The scalar is "long" in that is larger than LG_SCALAR so it * was not stored on a single byte. */ -static SV *retrieve_lscalar(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_lscalar(pTHX_ stcxt_t *cxt, const char *cname) { I32 len; SV *sv; @@ -4737,6 +4757,11 @@ static SV *retrieve_lscalar(pTHX_ stcxt_t *cxt, char *cname) sv = NEWSV(10002, len); SEEN(sv, cname, 0); /* Associate this new scalar with tag "tagnum" */ + if (len == 0) { + sv_setpvn(sv, "", 0); + return sv; + } + /* * WARNING: duplicates parts of sv_setpv and breaks SV data encapsulation. * @@ -4768,7 +4793,7 @@ static SV *retrieve_lscalar(pTHX_ stcxt_t *cxt, char *cname) * The scalar is "short" so is single byte. If it is 0, there * is no section. */ -static SV *retrieve_scalar(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_scalar(pTHX_ stcxt_t *cxt, const char *cname) { int len; SV *sv; @@ -4827,7 +4852,7 @@ static SV *retrieve_scalar(pTHX_ stcxt_t *cxt, char *cname) * Like retrieve_scalar(), but tag result as utf8. * If we're retrieving UTF8 data in a non-UTF8 perl, croaks. */ -static SV *retrieve_utf8str(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_utf8str(pTHX_ stcxt_t *cxt, const char *cname) { SV *sv; @@ -4856,7 +4881,7 @@ static SV *retrieve_utf8str(pTHX_ stcxt_t *cxt, char *cname) * Like retrieve_lscalar(), but tag result as utf8. * If we're retrieving UTF8 data in a non-UTF8 perl, croaks. */ -static SV *retrieve_lutf8str(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_lutf8str(pTHX_ stcxt_t *cxt, const char *cname) { SV *sv; @@ -4884,7 +4909,7 @@ static SV *retrieve_lutf8str(pTHX_ stcxt_t *cxt, char *cname) * Retrieve defined integer. * Layout is SX_INTEGER , whith SX_INTEGER already read. */ -static SV *retrieve_integer(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_integer(pTHX_ stcxt_t *cxt, const char *cname) { SV *sv; IV iv; @@ -4907,7 +4932,7 @@ static SV *retrieve_integer(pTHX_ stcxt_t *cxt, char *cname) * Retrieve defined integer in network order. * Layout is SX_NETINT , whith SX_NETINT already read. */ -static SV *retrieve_netint(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_netint(pTHX_ stcxt_t *cxt, const char *cname) { SV *sv; I32 iv; @@ -4935,7 +4960,7 @@ static SV *retrieve_netint(pTHX_ stcxt_t *cxt, char *cname) * Retrieve defined double. * Layout is SX_DOUBLE , whith SX_DOUBLE already read. */ -static SV *retrieve_double(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_double(pTHX_ stcxt_t *cxt, const char *cname) { SV *sv; NV nv; @@ -4958,7 +4983,7 @@ static SV *retrieve_double(pTHX_ stcxt_t *cxt, char *cname) * Retrieve defined byte (small integer within the [-128, +127] range). * Layout is SX_BYTE , whith SX_BYTE already read. */ -static SV *retrieve_byte(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_byte(pTHX_ stcxt_t *cxt, const char *cname) { SV *sv; int siv; @@ -4983,7 +5008,7 @@ static SV *retrieve_byte(pTHX_ stcxt_t *cxt, char *cname) * * Return the undefined value. */ -static SV *retrieve_undef(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_undef(pTHX_ stcxt_t *cxt, const char *cname) { SV* sv; @@ -5000,7 +5025,7 @@ static SV *retrieve_undef(pTHX_ stcxt_t *cxt, char *cname) * * Return the immortal undefined value. */ -static SV *retrieve_sv_undef(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_sv_undef(pTHX_ stcxt_t *cxt, const char *cname) { SV *sv = &PL_sv_undef; @@ -5021,7 +5046,7 @@ static SV *retrieve_sv_undef(pTHX_ stcxt_t *cxt, char *cname) * * Return the immortal yes value. */ -static SV *retrieve_sv_yes(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_sv_yes(pTHX_ stcxt_t *cxt, const char *cname) { SV *sv = &PL_sv_yes; @@ -5036,7 +5061,7 @@ static SV *retrieve_sv_yes(pTHX_ stcxt_t *cxt, char *cname) * * Return the immortal no value. */ -static SV *retrieve_sv_no(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_sv_no(pTHX_ stcxt_t *cxt, const char *cname) { SV *sv = &PL_sv_no; @@ -5055,7 +5080,7 @@ static SV *retrieve_sv_no(pTHX_ stcxt_t *cxt, char *cname) * * When we come here, SX_ARRAY has been read already. */ -static SV *retrieve_array(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_array(pTHX_ stcxt_t *cxt, const char *cname) { I32 len; I32 i; @@ -5106,7 +5131,7 @@ static SV *retrieve_array(pTHX_ stcxt_t *cxt, char *cname) * * When we come here, SX_HASH has been read already. */ -static SV *retrieve_hash(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_hash(pTHX_ stcxt_t *cxt, const char *cname) { I32 len; I32 size; @@ -5180,7 +5205,7 @@ static SV *retrieve_hash(pTHX_ stcxt_t *cxt, char *cname) * * When we come here, SX_HASH has been read already. */ -static SV *retrieve_flag_hash(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_flag_hash(pTHX_ stcxt_t *cxt, const char *cname) { dVAR; I32 len; @@ -5317,7 +5342,7 @@ static SV *retrieve_flag_hash(pTHX_ stcxt_t *cxt, char *cname) * * Return a code reference. */ -static SV *retrieve_code(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve_code(pTHX_ stcxt_t *cxt, const char *cname) { #if PERL_VERSION < 6 CROAK(("retrieve_code does not work with perl 5.005 or less\n")); @@ -5438,7 +5463,7 @@ static SV *retrieve_code(pTHX_ stcxt_t *cxt, char *cname) * * When we come here, SX_ARRAY has been read already. */ -static SV *old_retrieve_array(pTHX_ stcxt_t *cxt, char *cname) +static SV *old_retrieve_array(pTHX_ stcxt_t *cxt, const char *cname) { I32 len; I32 i; @@ -5498,7 +5523,7 @@ static SV *old_retrieve_array(pTHX_ stcxt_t *cxt, char *cname) * * When we come here, SX_HASH has been read already. */ -static SV *old_retrieve_hash(pTHX_ stcxt_t *cxt, char *cname) +static SV *old_retrieve_hash(pTHX_ stcxt_t *cxt, const char *cname) { I32 len; I32 size; @@ -5611,6 +5636,7 @@ static SV *magic_check(pTHX_ stcxt_t *cxt) int length; int use_network_order; int use_NV_size; + int old_magic = 0; int version_major; int version_minor = 0; @@ -5644,6 +5670,7 @@ static SV *magic_check(pTHX_ stcxt_t *cxt) if (memNE(buf, old_magicstr, old_len)) CROAK(("File is not a perl storable")); + old_magic++; current = buf + old_len; } use_network_order = *current; @@ -5655,9 +5682,14 @@ static SV *magic_check(pTHX_ stcxt_t *cxt) * indicate the version number of the binary, and therefore governs the * setting of sv_retrieve_vtbl. See magic_write(). */ - - version_major = use_network_order >> 1; - cxt->retrieve_vtbl = (SV*(**)(pTHX_ stcxt_t *cxt, char *cname)) (version_major ? sv_retrieve : sv_old_retrieve); + if (old_magic && use_network_order > 1) { + /* 0.1 dump - use_network_order is really byte order length */ + version_major = -1; + } + else { + version_major = use_network_order >> 1; + } + cxt->retrieve_vtbl = (SV*(**)(pTHX_ stcxt_t *cxt, const char *cname)) (version_major > 0 ? sv_retrieve : sv_old_retrieve); TRACEME(("magic_check: netorder = 0x%x", use_network_order)); @@ -5720,7 +5752,12 @@ static SV *magic_check(pTHX_ stcxt_t *cxt) /* In C truth is 1, falsehood is 0. Very convienient. */ use_NV_size = version_major >= 2 && version_minor >= 2; - GETMARK(c); + if (version_major >= 0) { + GETMARK(c); + } + else { + c = use_network_order; + } length = c + 3 + use_NV_size; READ(buf, length); /* Not null-terminated */ @@ -5770,7 +5807,7 @@ static SV *magic_check(pTHX_ stcxt_t *cxt) * root SV (which may be an AV or an HV for what we care). * Returns null if there is a problem. */ -static SV *retrieve(pTHX_ stcxt_t *cxt, char *cname) +static SV *retrieve(pTHX_ stcxt_t *cxt, const char *cname) { int type; SV **svh; @@ -6162,7 +6199,7 @@ static SV *do_retrieve( * * Retrieve data held in file and return the root object, undef on error. */ -SV *pretrieve(pTHX_ PerlIO *f) +static SV *pretrieve(pTHX_ PerlIO *f) { TRACEME(("pretrieve")); return do_retrieve(aTHX_ f, Nullsv, 0); @@ -6173,7 +6210,7 @@ SV *pretrieve(pTHX_ PerlIO *f) * * Retrieve data held in scalar and return the root object, undef on error. */ -SV *mretrieve(pTHX_ SV *sv) +static SV *mretrieve(pTHX_ SV *sv) { TRACEME(("mretrieve")); return do_retrieve(aTHX_ (PerlIO*) 0, sv, 0); @@ -6192,7 +6229,7 @@ SV *mretrieve(pTHX_ SV *sv) * there. Not that efficient, but it should be faster than doing it from * pure perl anyway. */ -SV *dclone(pTHX_ SV *sv) +static SV *dclone(pTHX_ SV *sv) { dSTCXT; int size; @@ -6210,6 +6247,14 @@ SV *dclone(pTHX_ SV *sv) clean_context(aTHX_ cxt); /* + * Tied elements seem to need special handling. + */ + + if (SvTYPE(sv) == SVt_PVLV && SvRMAGICAL(sv) && mg_find(sv, 'p')) { + mg_get(sv); + } + + /* * do_store() optimizes for dclone by not freeing its context, should * we need to allocate one because we're deep cloning from a hook. */ @@ -6292,6 +6337,12 @@ MODULE = Storable PACKAGE = Storable PROTOTYPES: ENABLE BOOT: +{ + HV *stash = gv_stashpvn("Storable", 8, TRUE); + newCONSTSUB(stash, "BIN_MAJOR", newSViv(STORABLE_BIN_MAJOR)); + newCONSTSUB(stash, "BIN_MINOR", newSViv(STORABLE_BIN_MINOR)); + newCONSTSUB(stash, "BIN_WRITE_MINOR", newSViv(STORABLE_BIN_WRITE_MINOR)); + init_perinterp(aTHX); gv_fetchpv("Storable::drop_utf8", GV_ADDMULTI, SVt_PV); #ifdef DEBUGME @@ -6301,6 +6352,7 @@ BOOT: #ifdef USE_56_INTERWORK_KLUDGE gv_fetchpv("Storable::interwork_56_64bit", GV_ADDMULTI, SVt_PV); #endif +} void init_perinterp()