X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/59cd0e26eb6c10499b25d783562357dd68cc16f2..92d234245893f4c155fc0cf044826a030195c3ba:/pp_sys.c diff --git a/pp_sys.c b/pp_sys.c index 36e5638..1bc072d 100644 --- a/pp_sys.c +++ b/pp_sys.c @@ -1,7 +1,7 @@ /* pp_sys.c * * Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, - * 2004, 2005, 2006, 2007 by Larry Wall and others + * 2004, 2005, 2006, 2007, 2008 by Larry Wall and others * * You may distribute under the terms of either the GNU General Public * License or the Artistic License, as specified in the README file. @@ -13,6 +13,8 @@ * cloven by a great fissure, out of which the red glare came, now leaping * up, now dying down into darkness; and all the while far below there was * a rumour and a trouble as of great engines throbbing and labouring. + * + * [p.945 of _The Lord of the Rings_, VI/iii: "Mount Doom"] */ /* This file contains system pp ("push/pop") functions that @@ -27,6 +29,8 @@ #include "EXTERN.h" #define PERL_IN_PP_SYS_C #include "perl.h" +#include "time64.h" +#include "time64.c" #ifdef I_SHADOW /* Shadow password support for solaris - pdo@cs.umd.edu @@ -199,15 +203,6 @@ void endservent(void); #undef PERL_EFF_ACCESS /* EFFective uid/gid ACCESS */ -/* AIX 5.2 and below use mktime for localtime, and defines the edge case - * for time 0x7fffffff to be valid only in UTC. AIX 5.3 provides localtime64 - * available in the 32bit environment, which could warrant Configure - * checks in the future. - */ -#ifdef _AIX -#define LOCALTIME_EDGECASE_BROKEN -#endif - /* F_OK unused: if stat() cannot find it... */ #if !defined(PERL_EFF_ACCESS) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK) @@ -247,7 +242,6 @@ S_emulate_eaccess(pTHX_ const char* path, Mode_t mode) const Gid_t egid = getegid(); int res; - LOCK_CRED_MUTEX; #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID) Perl_croak(aTHX_ "switching effective uid is not implemented"); #else @@ -293,7 +287,6 @@ S_emulate_eaccess(pTHX_ const char* path, Mode_t mode) #endif #endif Perl_croak(aTHX_ "leaving effective gid failed"); - UNLOCK_CRED_MUTEX; return res; } @@ -325,13 +318,13 @@ PP(pp_backtick) NOOP; } else if (gimme == G_SCALAR) { - ENTER; + ENTER_with_name("backtick"); SAVESPTR(PL_rs); PL_rs = &PL_sv_undef; - sv_setpvn(TARG, "", 0); /* note that this preserves previous buffer */ + sv_setpvs(TARG, ""); /* note that this preserves previous buffer */ while (sv_gets(TARG, fp, SvCUR(TARG)) != NULL) NOOP; - LEAVE; + LEAVE_with_name("backtick"); XPUSHs(TARG); SvTAINTED_on(TARG); } @@ -342,7 +335,7 @@ PP(pp_backtick) SvREFCNT_dec(sv); break; } - XPUSHs(sv_2mortal(sv)); + mXPUSHs(sv); if (SvLEN(sv) - SvCUR(sv) > 20) { SvPV_shrink_to_cur(sv); } @@ -371,7 +364,7 @@ PP(pp_glob) * without at the same time croaking, for some reason, or if * perl was built with PERL_EXTERNAL_GLOB */ - ENTER; + ENTER_with_name("glob"); #ifndef VMS if (PL_tainting) { @@ -385,10 +378,10 @@ PP(pp_glob) #endif /* !VMS */ SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */ - PL_last_in_gv = (GV*)*PL_stack_sp--; + PL_last_in_gv = MUTABLE_GV(*PL_stack_sp--); SAVESPTR(PL_rs); /* This is not permanent, either. */ - PL_rs = sv_2mortal(newSVpvs("\000")); + PL_rs = newSVpvs_flags("\000", SVs_TEMP); #ifndef DOSISH #ifndef CSH *SvPVX(PL_rs) = '\n'; @@ -396,7 +389,7 @@ PP(pp_glob) #endif /* !DOSISH */ result = do_readline(); - LEAVE; + LEAVE_with_name("glob"); return result; } @@ -410,100 +403,91 @@ PP(pp_rcatline) PP(pp_warn) { dVAR; dSP; dMARK; - SV *tmpsv; - const char *tmps; + SV *exsv; + const char *pv; STRLEN len; if (SP - MARK > 1) { dTARGET; do_join(TARG, &PL_sv_no, MARK, SP); - tmpsv = TARG; + exsv = TARG; SP = MARK + 1; } else if (SP == MARK) { - tmpsv = &PL_sv_no; + exsv = &PL_sv_no; EXTEND(SP, 1); SP = MARK + 1; } else { - tmpsv = TOPs; - } - tmps = SvPV_const(tmpsv, len); - if ((!tmps || !len) && PL_errgv) { - SV * const error = ERRSV; - SvUPGRADE(error, SVt_PV); - if (SvPOK(error) && SvCUR(error)) - sv_catpvs(error, "\t...caught"); - tmpsv = error; - tmps = SvPV_const(tmpsv, len); + exsv = TOPs; } - if (!tmps || !len) - tmpsv = sv_2mortal(newSVpvs("Warning: something's wrong")); - Perl_warn(aTHX_ "%"SVf, SVfARG(tmpsv)); + if (SvROK(exsv) || (pv = SvPV_const(exsv, len), len)) { + /* well-formed exception supplied */ + } + else if (SvROK(ERRSV)) { + exsv = ERRSV; + } + else if (SvPOK(ERRSV) && SvCUR(ERRSV)) { + exsv = sv_mortalcopy(ERRSV); + sv_catpvs(exsv, "\t...caught"); + } + else { + exsv = newSVpvs_flags("Warning: something's wrong", SVs_TEMP); + } + warn_sv(exsv); RETSETYES; } PP(pp_die) { dVAR; dSP; dMARK; - const char *tmps; - SV *tmpsv; + SV *exsv; + const char *pv; STRLEN len; - bool multiarg = 0; #ifdef VMS VMSISH_HUSHED = VMSISH_HUSHED || (PL_op->op_private & OPpHUSH_VMSISH); #endif if (SP - MARK != 1) { dTARGET; do_join(TARG, &PL_sv_no, MARK, SP); - tmpsv = TARG; - tmps = SvPV_const(tmpsv, len); - multiarg = 1; + exsv = TARG; SP = MARK + 1; } else { - tmpsv = TOPs; - tmps = SvROK(tmpsv) ? (const char *)NULL : SvPV_const(tmpsv, len); - } - if (!tmps || !len) { - SV * const error = ERRSV; - SvUPGRADE(error, SVt_PV); - if (multiarg ? SvROK(error) : SvROK(tmpsv)) { - if (!multiarg) - SvSetSV(error,tmpsv); - else if (sv_isobject(error)) { - HV * const stash = SvSTASH(SvRV(error)); - GV * const gv = gv_fetchmethod(stash, "PROPAGATE"); - if (gv) { - SV * const file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0)); - SV * const line = sv_2mortal(newSVuv(CopLINE(PL_curcop))); - EXTEND(SP, 3); - PUSHMARK(SP); - PUSHs(error); - PUSHs(file); - PUSHs(line); - PUTBACK; - call_sv((SV*)GvCV(gv), - G_SCALAR|G_EVAL|G_KEEPERR); - sv_setsv(error,*PL_stack_sp--); - } + exsv = TOPs; + } + + if (SvROK(exsv) || (pv = SvPV_const(exsv, len), len)) { + /* well-formed exception supplied */ + } + else if (SvROK(ERRSV)) { + exsv = ERRSV; + if (sv_isobject(exsv)) { + HV * const stash = SvSTASH(SvRV(exsv)); + GV * const gv = gv_fetchmethod(stash, "PROPAGATE"); + if (gv) { + SV * const file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0)); + SV * const line = sv_2mortal(newSVuv(CopLINE(PL_curcop))); + EXTEND(SP, 3); + PUSHMARK(SP); + PUSHs(exsv); + PUSHs(file); + PUSHs(line); + PUTBACK; + call_sv(MUTABLE_SV(GvCV(gv)), + G_SCALAR|G_EVAL|G_KEEPERR); + exsv = sv_mortalcopy(*PL_stack_sp--); } - DIE(aTHX_ NULL); - } - else { - if (SvPOK(error) && SvCUR(error)) - sv_catpvs(error, "\t...propagated"); - tmpsv = error; - if (SvOK(tmpsv)) - tmps = SvPV_const(tmpsv, len); - else - tmps = NULL; } } - if (!tmps || !len) - tmpsv = sv_2mortal(newSVpvs("Died")); - - DIE(aTHX_ "%"SVf, SVfARG(tmpsv)); + else if (SvPOK(ERRSV) && SvCUR(ERRSV)) { + exsv = sv_mortalcopy(ERRSV); + sv_catpvs(exsv, "\t...propagated"); + } + else { + exsv = newSVpvs_flags("Died", SVs_TEMP); + } + return die_sv(exsv); } /* I/O. */ @@ -519,7 +503,7 @@ PP(pp_open) STRLEN len; bool ok; - GV * const gv = (GV *)*++MARK; + GV * const gv = MUTABLE_GV(*++MARK); if (!isGV(gv)) DIE(aTHX_ PL_no_usym, "filehandle"); @@ -528,20 +512,21 @@ PP(pp_open) MAGIC *mg; IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT; - if (IoDIRP(io) && ckWARN2(WARN_IO, WARN_DEPRECATED)) - Perl_warner(aTHX_ packWARN2(WARN_IO, WARN_DEPRECATED), - "Opening dirhandle %s also as a file", GvENAME(gv)); + if (IoDIRP(io)) + Perl_ck_warner_d(aTHX_ packWARN2(WARN_IO, WARN_DEPRECATED), + "Opening dirhandle %s also as a file", + GvENAME(gv)); - mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); + mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); if (mg) { /* Method's args are same as ours ... */ /* ... except handle is replaced by the object */ - *MARK-- = SvTIED_obj((SV*)io, mg); + *MARK-- = SvTIED_obj(MUTABLE_SV(io), mg); PUSHMARK(MARK); PUTBACK; - ENTER; + ENTER_with_name("call_OPEN"); call_method("OPEN", G_SCALAR); - LEAVE; + LEAVE_with_name("call_OPEN"); SPAGAIN; RETURN; } @@ -566,28 +551,71 @@ PP(pp_open) RETURN; } +/* These are private to this function, which is private to this file. + Use 0x04 rather than the next available bit, to help the compiler if the + architecture can generate more efficient instructions. */ +#define MORTALIZE_NOT_NEEDED 0x04 +#define TIED_HANDLE_ARGC_SHIFT 3 + +static OP * +S_tied_handle_method(pTHX_ const char *const methname, SV **sp, + IO *const io, MAGIC *const mg, const U32 flags, ...) +{ + U32 argc = flags >> TIED_HANDLE_ARGC_SHIFT; + + PERL_ARGS_ASSERT_TIED_HANDLE_METHOD; + + /* Ensure that our flag bits do not overlap. */ + assert((MORTALIZE_NOT_NEEDED & G_WANT) == 0); + assert((G_WANT >> TIED_HANDLE_ARGC_SHIFT) == 0); + + PUSHMARK(sp); + PUSHs(SvTIED_obj(MUTABLE_SV(io), mg)); + if (argc) { + const U32 mortalize_not_needed = flags & MORTALIZE_NOT_NEEDED; + va_list args; + va_start(args, flags); + do { + SV *const arg = va_arg(args, SV *); + if(mortalize_not_needed) + PUSHs(arg); + else + mPUSHs(arg); + } while (--argc); + va_end(args); + } + + PUTBACK; + ENTER_with_name("call_tied_handle_method"); + call_method(methname, flags & G_WANT); + LEAVE_with_name("call_tied_handle_method"); + return NORMAL; +} + +#define tied_handle_method(a,b,c,d) \ + S_tied_handle_method(aTHX_ a,b,c,d,G_SCALAR) +#define tied_handle_method1(a,b,c,d,e) \ + S_tied_handle_method(aTHX_ a,b,c,d,G_SCALAR | (1 << TIED_HANDLE_ARGC_SHIFT),e) +#define tied_handle_method2(a,b,c,d,e,f) \ + S_tied_handle_method(aTHX_ a,b,c,d,G_SCALAR | (2 << TIED_HANDLE_ARGC_SHIFT), e,f) + PP(pp_close) { dVAR; dSP; - GV * const gv = (MAXARG == 0) ? PL_defoutgv : (GV*)POPs; + GV * const gv = (MAXARG == 0) ? PL_defoutgv : MUTABLE_GV(POPs); + + if (MAXARG == 0) + EXTEND(SP, 1); if (gv) { IO * const io = GvIO(gv); if (io) { - MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); + MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); if (mg) { - PUSHMARK(SP); - XPUSHs(SvTIED_obj((SV*)io, mg)); - PUTBACK; - ENTER; - call_method("CLOSE", G_SCALAR); - LEAVE; - SPAGAIN; - RETURN; + return tied_handle_method("CLOSE", SP, io, mg); } } } - EXTEND(SP, 1); PUSHs(boolSV(do_close(gv, TRUE))); RETURN; } @@ -601,13 +629,13 @@ PP(pp_pipe_op) register IO *wstio; int fd[2]; - GV * const wgv = (GV*)POPs; - GV * const rgv = (GV*)POPs; + GV * const wgv = MUTABLE_GV(POPs); + GV * const rgv = MUTABLE_GV(POPs); if (!rgv || !wgv) goto badexit; - if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV) + if (!isGV_with_GP(rgv) || !isGV_with_GP(wgv)) DIE(aTHX_ PL_no_usym, "filehandle"); rstio = GvIOn(rgv); wstio = GvIOn(wgv); @@ -661,19 +689,12 @@ PP(pp_fileno) if (MAXARG < 1) RETPUSHUNDEF; - gv = (GV*)POPs; + gv = MUTABLE_GV(POPs); if (gv && (io = GvIO(gv)) - && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) + && (mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar))) { - PUSHMARK(SP); - XPUSHs(SvTIED_obj((SV*)io, mg)); - PUTBACK; - ENTER; - call_method("FILENO", G_SCALAR); - LEAVE; - SPAGAIN; - RETURN; + return tied_handle_method("FILENO", SP, io, mg); } if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io))) { @@ -734,25 +755,23 @@ PP(pp_binmode) discp = POPs; } - gv = (GV*)POPs; + gv = MUTABLE_GV(POPs); if (gv && (io = GvIO(gv))) { - MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); + MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); if (mg) { - PUSHMARK(SP); - XPUSHs(SvTIED_obj((SV*)io, mg)); - if (discp) - XPUSHs(discp); - PUTBACK; - ENTER; - call_method("BINMODE", G_SCALAR); - LEAVE; - SPAGAIN; - RETURN; + /* This takes advantage of the implementation of the varargs + function, which I don't think that the optimiser will be able to + figure out. Although, as it's a static function, in theory it + could. */ + return S_tied_handle_method(aTHX_ "BINMODE", SP, io, mg, + G_SCALAR|MORTALIZE_NOT_NEEDED + | (discp + ? (1 << TIED_HANDLE_ARGC_SHIFT) : 0), + discp); } } - EXTEND(SP, 1); if (!(io = GvIO(gv)) || !(fp = IoIFP(io))) { if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) report_evil_fh(gv, io, PL_op->op_type); @@ -762,8 +781,12 @@ PP(pp_binmode) PUTBACK; { - const int mode = mode_from_discipline(discp); - const char *const d = (discp ? SvPV_nolen_const(discp) : NULL); + STRLEN len = 0; + const char *d = NULL; + int mode; + if (discp) + d = SvPV_const(discp, len); + mode = mode_from_discipline(d, len); if (PerlIO_binmode(aTHX_ fp, IoTYPE(io), mode, d)) { if (IoOFP(io) && IoOFP(io) != IoIFP(io)) { if (!PerlIO_binmode(aTHX_ IoOFP(io), IoTYPE(io), mode, d)) { @@ -785,7 +808,7 @@ PP(pp_tie) { dVAR; dSP; dMARK; HV* stash; - GV *gv; + GV *gv = NULL; SV *sv; const I32 markoff = MARK - PL_stack_base; const char *methname; @@ -796,33 +819,31 @@ PP(pp_tie) switch(SvTYPE(varsv)) { case SVt_PVHV: methname = "TIEHASH"; - HvEITER_set((HV *)varsv, 0); + HvEITER_set(MUTABLE_HV(varsv), 0); break; case SVt_PVAV: methname = "TIEARRAY"; break; case SVt_PVGV: -#ifdef GV_UNIQUE_CHECK - if (GvUNIQUE((GV*)varsv)) { - Perl_croak(aTHX_ "Attempt to tie unique GV"); + if (isGV_with_GP(varsv)) { + methname = "TIEHANDLE"; + how = PERL_MAGIC_tiedscalar; + /* For tied filehandles, we apply tiedscalar magic to the IO + slot of the GP rather than the GV itself. AMS 20010812 */ + if (!GvIOp(varsv)) + GvIOp(varsv) = newIO(); + varsv = MUTABLE_SV(GvIOp(varsv)); + break; } -#endif - methname = "TIEHANDLE"; - how = PERL_MAGIC_tiedscalar; - /* For tied filehandles, we apply tiedscalar magic to the IO - slot of the GP rather than the GV itself. AMS 20010812 */ - if (!GvIOp(varsv)) - GvIOp(varsv) = newIO(); - varsv = (SV *)GvIOp(varsv); - break; + /* FALL THROUGH */ default: methname = "TIESCALAR"; how = PERL_MAGIC_tiedscalar; break; } items = SP - MARK++; - if (sv_isobject(*MARK)) { - ENTER; + if (sv_isobject(*MARK)) { /* Calls GET magic. */ + ENTER_with_name("call_TIE"); PUSHSTACKi(PERLSI_MAGIC); PUSHMARK(SP); EXTEND(SP,(I32)items); @@ -832,22 +853,26 @@ PP(pp_tie) call_method(methname, G_SCALAR); } else { - /* Not clear why we don't call call_method here too. - * perhaps to get different error message ? + /* Can't use call_method here, else this: fileno FOO; tie @a, "FOO" + * will attempt to invoke IO::File::TIEARRAY, with (best case) the + * wrong error message, and worse case, supreme action at a distance. + * (Sorry obfuscation writers. You're not going to be given this one.) */ - stash = gv_stashsv(*MARK, 0); + STRLEN len; + const char *name = SvPV_nomg_const(*MARK, len); + stash = gv_stashpvn(name, len, 0); if (!stash || !(gv = gv_fetchmethod(stash, methname))) { DIE(aTHX_ "Can't locate object method \"%s\" via package \"%"SVf"\"", - methname, SVfARG(*MARK)); + methname, SVfARG(SvOK(*MARK) ? *MARK : &PL_sv_no)); } - ENTER; + ENTER_with_name("call_TIE"); PUSHSTACKi(PERLSI_MAGIC); PUSHMARK(SP); EXTEND(SP,(I32)items); while (items--) PUSHs(*MARK++); PUTBACK; - call_sv((SV*)GvCV(gv), G_SCALAR); + call_sv(MUTABLE_SV(GvCV(gv)), G_SCALAR); } SPAGAIN; @@ -863,7 +888,7 @@ PP(pp_tie) "Self-ties of arrays and hashes are not supported"); sv_magic(varsv, (SvRV(sv) == varsv ? NULL : sv), how, NULL, 0); } - LEAVE; + LEAVE_with_name("call_TIE"); SP = PL_stack_base + markoff; PUSHs(sv); RETURN; @@ -877,7 +902,7 @@ PP(pp_untie) const char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar; - if (SvTYPE(sv) == SVt_PVGV && !(sv = (SV *)GvIOp(sv))) + if (isGV_with_GP(sv) && !(sv = MUTABLE_SV(GvIOp(sv)))) RETPUSHYES; if ((mg = SvTIED_mg(sv, how))) { @@ -887,18 +912,18 @@ PP(pp_untie) CV *cv; if (gv && isGV(gv) && (cv = GvCV(gv))) { PUSHMARK(SP); - XPUSHs(SvTIED_obj((SV*)gv, mg)); - XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1))); + PUSHs(SvTIED_obj(MUTABLE_SV(gv), mg)); + mXPUSHi(SvREFCNT(obj) - 1); PUTBACK; - ENTER; - call_sv((SV *)cv, G_VOID); - LEAVE; + ENTER_with_name("call_UNTIE"); + call_sv(MUTABLE_SV(cv), G_VOID); + LEAVE_with_name("call_UNTIE"); SPAGAIN; } - else if (mg && SvREFCNT(obj) > 1 && ckWARN(WARN_UNTIE)) { - Perl_warner(aTHX_ packWARN(WARN_UNTIE), - "untie attempted while %"UVuf" inner references still exist", - (UV)SvREFCNT(obj) - 1 ) ; + else if (mg && SvREFCNT(obj) > 1) { + Perl_ck_warner(aTHX_ packWARN(WARN_UNTIE), + "untie attempted while %"UVuf" inner references still exist", + (UV)SvREFCNT(obj) - 1 ) ; } } } @@ -915,7 +940,7 @@ PP(pp_tied) const char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar; - if (SvTYPE(sv) == SVt_PVGV && !(sv = (SV *)GvIOp(sv))) + if (isGV_with_GP(sv) && !(sv = MUTABLE_SV(GvIOp(sv)))) RETPUSHUNDEF; if ((mg = SvTIED_mg(sv, how))) { @@ -933,16 +958,16 @@ PP(pp_dbmopen) dVAR; dSP; dPOPPOPssrl; HV* stash; - GV *gv; + GV *gv = NULL; - HV * const hv = (HV*)POPs; - SV * const sv = sv_2mortal(newSVpvs("AnyDBM_File")); + HV * const hv = MUTABLE_HV(POPs); + SV * const sv = newSVpvs_flags("AnyDBM_File", SVs_TEMP); stash = gv_stashsv(sv, 0); if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) { PUTBACK; require_pv("AnyDBM_File.pm"); SPAGAIN; - if (!(gv = gv_fetchmethod(stash, "TIEHASH"))) + if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) DIE(aTHX_ "No dbm on this machine"); } @@ -953,12 +978,12 @@ PP(pp_dbmopen) PUSHs(sv); PUSHs(left); if (SvIV(right)) - PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT))); + mPUSHu(O_RDWR|O_CREAT); else - PUSHs(sv_2mortal(newSVuv(O_RDWR))); + mPUSHu(O_RDWR); PUSHs(right); PUTBACK; - call_sv((SV*)GvCV(gv), G_SCALAR); + call_sv(MUTABLE_SV(GvCV(gv)), G_SCALAR); SPAGAIN; if (!sv_isobject(TOPs)) { @@ -966,16 +991,16 @@ PP(pp_dbmopen) PUSHMARK(SP); PUSHs(sv); PUSHs(left); - PUSHs(sv_2mortal(newSVuv(O_RDONLY))); + mPUSHu(O_RDONLY); PUSHs(right); PUTBACK; - call_sv((SV*)GvCV(gv), G_SCALAR); + call_sv(MUTABLE_SV(GvCV(gv)), G_SCALAR); SPAGAIN; } if (sv_isobject(TOPs)) { - sv_unmagic((SV *) hv, PERL_MAGIC_tied); - sv_magic((SV*)hv, TOPs, PERL_MAGIC_tied, NULL, 0); + sv_unmagic(MUTABLE_SV(hv), PERL_MAGIC_tied); + sv_magic(MUTABLE_SV(hv), TOPs, PERL_MAGIC_tied, NULL, 0); } LEAVE; RETURN; @@ -1018,11 +1043,10 @@ PP(pp_sselect) if (SvIsCOW(sv)) sv_force_normal_flags(sv, 0); if (SvREADONLY(sv) && !(SvPOK(sv) && SvCUR(sv) == 0)) - DIE(aTHX_ PL_no_modify); + Perl_croak_no_modify(aTHX); } if (!SvPOK(sv)) { - if (ckWARN(WARN_MISC)) - Perl_warner(aTHX_ packWARN(WARN_MISC), "Non-string passed as bitmask"); + Perl_ck_warner(aTHX_ packWARN(WARN_MISC), "Non-string passed as bitmask"); SvPV_force_nolen(sv); /* force string conversion */ } j = SvCUR(sv); @@ -1137,7 +1161,7 @@ PP(pp_sselect) if (GIMME == G_ARRAY && tbuf) { value = (NV)(timebuf.tv_sec) + (NV)(timebuf.tv_usec) / 1000000.0; - PUSHs(sv_2mortal(newSVnv(value))); + mPUSHn(value); } RETURN; #else @@ -1145,13 +1169,23 @@ PP(pp_sselect) #endif } +/* +=for apidoc setdefout + +Sets PL_defoutgv, the default file handle for output, to the passed in +typeglob. As PL_defoutgv "owns" a reference on its typeglob, the reference +count of the passed in typeglob is increased by one, and the reference count +of the typeglob that PL_defoutgv points to is decreased by one. + +=cut +*/ + void Perl_setdefout(pTHX_ GV *gv) { dVAR; SvREFCNT_inc_simple_void(gv); - if (PL_defoutgv) - SvREFCNT_dec(PL_defoutgv); + SvREFCNT_dec(PL_defoutgv); PL_defoutgv = gv; } @@ -1159,12 +1193,12 @@ PP(pp_select) { dVAR; dSP; dTARGET; HV *hv; - GV * const newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : NULL; - GV * egv = GvEGV(PL_defoutgv); + GV * const newdefout = (PL_op->op_private > 0) ? (MUTABLE_GV(POPs)) : NULL; + GV * egv = GvEGVx(PL_defoutgv); if (!egv) egv = PL_defoutgv; - hv = GvSTASH(egv); + hv = isGV_with_GP(egv) ? GvSTASH(egv) : NULL; if (! hv) XPUSHs(&PL_sv_undef); else { @@ -1174,7 +1208,7 @@ PP(pp_select) XPUSHTARG; } else { - XPUSHs(sv_2mortal(newRV((SV*)egv))); + mXPUSHs(newRV(MUTABLE_SV(egv))); } } @@ -1191,22 +1225,21 @@ PP(pp_getc) { dVAR; dSP; dTARGET; IO *io = NULL; - GV * const gv = (MAXARG==0) ? PL_stdingv : (GV*)POPs; + GV * const gv = (MAXARG==0) ? PL_stdingv : MUTABLE_GV(POPs); + + if (MAXARG == 0) + EXTEND(SP, 1); if (gv && (io = GvIO(gv))) { - MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); + MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); if (mg) { - const I32 gimme = GIMME_V; - PUSHMARK(SP); - XPUSHs(SvTIED_obj((SV*)io, mg)); - PUTBACK; - ENTER; - call_method("GETC", gimme); - LEAVE; - SPAGAIN; - if (gimme == G_SCALAR) + const U32 gimme = GIMME_V; + S_tied_handle_method(aTHX_ "GETC", SP, io, mg, gimme); + if (gimme == G_SCALAR) { + SPAGAIN; SvSetMagicSV_nosteal(TARG, TOPs); - RETURN; + } + return NORMAL; } } if (!gv || do_eof(gv)) { /* make sure we have fp with something */ @@ -1217,7 +1250,7 @@ PP(pp_getc) RETPUSHUNDEF; } TAINT; - sv_setpvn(TARG, " ", 1); + sv_setpvs(TARG, " "); *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */ if (PerlIO_isutf8(IoIFP(GvIOp(gv)))) { /* Find out how many bytes the char needs */ @@ -1240,12 +1273,16 @@ S_doform(pTHX_ CV *cv, GV *gv, OP *retop) register PERL_CONTEXT *cx; const I32 gimme = GIMME_V; + PERL_ARGS_ASSERT_DOFORM; + + if (cv && CvCLONE(cv)) + cv = MUTABLE_CV(sv_2mortal(MUTABLE_SV(cv_clone(cv)))); + ENTER; SAVETMPS; PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp); - PUSHFORMAT(cx); - cx->blk_sub.retop = retop; + PUSHFORMAT(cx, retop); SAVECOMPPAD(); PAD_SET_CUR_NOSAVE(CvPADLIST(cv), 1); @@ -1260,17 +1297,18 @@ PP(pp_enterwrite) register GV *gv; register IO *io; GV *fgv; - CV *cv; - SV * tmpsv = NULL; + CV *cv = NULL; + SV *tmpsv = NULL; - if (MAXARG == 0) + if (MAXARG == 0) { gv = PL_defoutgv; + EXTEND(SP, 1); + } else { - gv = (GV*)POPs; + gv = MUTABLE_GV(POPs); if (!gv) gv = PL_defoutgv; } - EXTEND(SP, 1); io = GvIO(gv); if (!io) { RETPUSHNO; @@ -1295,9 +1333,6 @@ PP(pp_enterwrite) not_a_format_reference: DIE(aTHX_ "Not a format reference"); } - if (CvCLONE(cv)) - cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); - IoFLAGS(io) &= ~IOf_DIDTOP; return doform(cv,gv,PL_op->op_next); } @@ -1305,7 +1340,7 @@ PP(pp_enterwrite) PP(pp_leavewrite) { dVAR; dSP; - GV * const gv = cxstack[cxstack_ix].blk_sub.gv; + GV * const gv = cxstack[cxstack_ix].blk_format.gv; register IO * const io = GvIOp(gv); PerlIO *ofp; PerlIO *fp; @@ -1386,8 +1421,6 @@ PP(pp_leavewrite) else DIE(aTHX_ "Undefined top format called"); } - if (cv && CvCLONE(cv)) - cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); return doform(cv, gv, PL_op); } @@ -1408,8 +1441,7 @@ PP(pp_leavewrite) } else { if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) { - if (ckWARN(WARN_IO)) - Perl_warner(aTHX_ packWARN(WARN_IO), "page overflow"); + Perl_ck_warner(aTHX_ packWARN(WARN_IO), "page overflow"); } if (!do_print(PL_formtarget, fp)) PUSHs(&PL_sv_no); @@ -1437,10 +1469,11 @@ PP(pp_prtf) PerlIO *fp; SV *sv; - GV * const gv = (PL_op->op_flags & OPf_STACKED) ? (GV*)*++MARK : PL_defoutgv; + GV * const gv + = (PL_op->op_flags & OPf_STACKED) ? MUTABLE_GV(*++MARK) : PL_defoutgv; if (gv && (io = GvIO(gv))) { - MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); + MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); if (mg) { if (MARK == ORIGMARK) { MEXTEND(SP, 1); @@ -1449,7 +1482,7 @@ PP(pp_prtf) ++SP; } PUSHMARK(MARK - 1); - *MARK = SvTIED_obj((SV*)io, mg); + *MARK = SvTIED_obj(MUTABLE_SV(io), mg); PUTBACK; ENTER; call_method("PRINTF", G_SCALAR); @@ -1509,7 +1542,7 @@ PP(pp_sysopen) const int perm = (MAXARG > 3) ? POPi : 0666; const int mode = POPi; SV * const sv = POPs; - GV * const gv = (GV *)POPs; + GV * const gv = MUTABLE_GV(POPs); STRLEN len; /* Need TIEHANDLE method ? */ @@ -1545,15 +1578,15 @@ PP(pp_sysread) STRLEN charskip = 0; STRLEN skip = 0; - GV * const gv = (GV*)*++MARK; + GV * const gv = MUTABLE_GV(*++MARK); if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) && gv && (io = GvIO(gv)) ) { - const MAGIC * mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); + const MAGIC * mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); if (mg) { SV *sv; PUSHMARK(MARK-1); - *MARK = SvTIED_obj((SV*)io, mg); + *MARK = SvTIED_obj(MUTABLE_SV(io), mg); ENTER; call_method("READ", G_SCALAR); LEAVE; @@ -1569,7 +1602,7 @@ PP(pp_sysread) goto say_undef; bufsv = *++MARK; if (! SvOK(bufsv)) - sv_setpvn(bufsv, "", 0); + sv_setpvs(bufsv, ""); length = SvIVx(*++MARK); SETERRNO(0,0); if (MARK < SP) @@ -1791,22 +1824,21 @@ PP(pp_send) bool doing_utf8; U8 *tmpbuf = NULL; - GV *const gv = (GV*)*++MARK; + GV *const gv = MUTABLE_GV(*++MARK); if (PL_op->op_type == OP_SYSWRITE && gv && (io = GvIO(gv))) { - MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); + MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); if (mg) { SV *sv; if (MARK == SP - 1) { - EXTEND(SP, 1000); - sv = sv_2mortal(newSViv(sv_len(*SP))); - PUSHs(sv); + sv = *SP; + mXPUSHi(sv_len(sv)); PUTBACK; } PUSHMARK(ORIGMARK); - *(ORIGMARK+1) = SvTIED_obj((SV*)io, mg); + *(ORIGMARK+1) = SvTIED_obj(MUTABLE_SV(io), mg); ENTER; call_method("WRITE", G_SCALAR); LEAVE; @@ -1910,7 +1942,7 @@ PP(pp_send) DIE(aTHX_ "Offset outside string"); } offset += blen_chars; - } else if (offset >= (IV)blen_chars && blen_chars > 0) { + } else if (offset > (IV)blen_chars) { Safefree(tmpbuf); DIE(aTHX_ "Offset outside string"); } @@ -2001,51 +2033,62 @@ PP(pp_eof) { dVAR; dSP; GV *gv; + IO *io; + MAGIC *mg; + /* + * in Perl 5.12 and later, the additional parameter is a bitmask: + * 0 = eof + * 1 = eof(FH) + * 2 = eof() <- ARGV magic + * + * I'll rely on the compiler's trace flow analysis to decide whether to + * actually assign this out here, or punt it into the only block where it is + * used. Doing it out here is DRY on the condition logic. + */ + unsigned int which; - if (MAXARG == 0) { - if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */ - IO *io; - gv = PL_last_in_gv = GvEGV(PL_argvgv); - io = GvIO(gv); - if (io && !IoIFP(io)) { - if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) { - IoLINES(io) = 0; - IoFLAGS(io) &= ~IOf_START; - do_open(gv, "-", 1, FALSE, O_RDONLY, 0, NULL); - if ( GvSV(gv) ) { - sv_setpvn(GvSV(gv), "-", 1); - } - else { - GvSV(gv) = newSVpvn("-", 1); - } - SvSETMAGIC(GvSV(gv)); - } - else if (!nextargv(gv)) - RETPUSHYES; - } + if (MAXARG) { + gv = PL_last_in_gv = MUTABLE_GV(POPs); /* eof(FH) */ + which = 1; + } + else { + EXTEND(SP, 1); + + if (PL_op->op_flags & OPf_SPECIAL) { + gv = PL_last_in_gv = GvEGVx(PL_argvgv); /* eof() - ARGV magic */ + which = 2; } - else + else { gv = PL_last_in_gv; /* eof */ + which = 0; + } } - else - gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */ - if (gv) { - IO * const io = GvIO(gv); - MAGIC * mg; - if (io && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) { - PUSHMARK(SP); - XPUSHs(SvTIED_obj((SV*)io, mg)); - PUTBACK; - ENTER; - call_method("EOF", G_SCALAR); - LEAVE; - SPAGAIN; - RETURN; + if (!gv) + RETPUSHNO; + + if ((io = GvIO(gv)) && (mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar))) { + return tied_handle_method1("EOF", SP, io, mg, newSVuv(which)); + } + + if (!MAXARG && (PL_op->op_flags & OPf_SPECIAL)) { /* eof() */ + if (io && !IoIFP(io)) { + if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) { + IoLINES(io) = 0; + IoFLAGS(io) &= ~IOf_START; + do_open(gv, "-", 1, FALSE, O_RDONLY, 0, NULL); + if (GvSV(gv)) + sv_setpvs(GvSV(gv), "-"); + else + GvSV(gv) = newSVpvs("-"); + SvSETMAGIC(GvSV(gv)); + } + else if (!nextargv(gv)) + RETPUSHYES; } } - PUSHs(boolSV(!gv || do_eof(gv))); + PUSHs(boolSV(do_eof(gv))); RETURN; } @@ -2056,22 +2099,23 @@ PP(pp_tell) IO *io; if (MAXARG != 0) - PL_last_in_gv = (GV*)POPs; + PL_last_in_gv = MUTABLE_GV(POPs); + else + EXTEND(SP, 1); gv = PL_last_in_gv; if (gv && (io = GvIO(gv))) { - MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); + MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); if (mg) { - PUSHMARK(SP); - XPUSHs(SvTIED_obj((SV*)io, mg)); - PUTBACK; - ENTER; - call_method("TELL", G_SCALAR); - LEAVE; - SPAGAIN; - RETURN; + return tied_handle_method("TELL", SP, io, mg); } } + else if (!gv) { + if (!errno) + SETERRNO(EBADF,RMS_IFI); + PUSHi(-1); + RETURN; + } #if LSEEKSIZE > IVSIZE PUSHn( do_tell(gv) ); @@ -2091,26 +2135,20 @@ PP(pp_sysseek) const Off_t offset = (Off_t)SvIVx(POPs); #endif - GV * const gv = PL_last_in_gv = (GV*)POPs; + GV * const gv = PL_last_in_gv = MUTABLE_GV(POPs); IO *io; if (gv && (io = GvIO(gv))) { - MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); + MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); if (mg) { - PUSHMARK(SP); - XPUSHs(SvTIED_obj((SV*)io, mg)); #if LSEEKSIZE > IVSIZE - XPUSHs(sv_2mortal(newSVnv((NV) offset))); + SV *const offset_sv = newSVnv((NV) offset); #else - XPUSHs(sv_2mortal(newSViv(offset))); + SV *const offset_sv = newSViv(offset); #endif - XPUSHs(sv_2mortal(newSViv(whence))); - PUTBACK; - ENTER; - call_method("SEEK", G_SCALAR); - LEAVE; - SPAGAIN; - RETURN; + + return tied_handle_method2("SEEK", SP, io, mg, offset_sv, + newSViv(whence)); } } @@ -2128,7 +2166,7 @@ PP(pp_sysseek) newSViv(sought) #endif : newSVpvn(zero_but_true, ZBTLEN); - PUSHs(sv_2mortal(sv)); + mPUSHs(sv); } } RETURN; @@ -2188,16 +2226,16 @@ PP(pp_truncate) SV * const sv = POPs; const char *name; - if (SvTYPE(sv) == SVt_PVGV) { - tmpgv = (GV*)sv; /* *main::FRED for example */ + if (isGV_with_GP(sv)) { + tmpgv = MUTABLE_GV(sv); /* *main::FRED for example */ goto do_ftruncate_gv; } - else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) { - tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */ + else if (SvROK(sv) && isGV_with_GP(SvRV(sv))) { + tmpgv = MUTABLE_GV(SvRV(sv)); /* \*main::FRED for example */ goto do_ftruncate_gv; } else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVIO) { - io = (IO*) SvRV(sv); /* *main::FRED{IO} for example */ + io = MUTABLE_IO(SvRV(sv)); /* *main::FRED{IO} for example */ goto do_ftruncate_io; } @@ -2235,7 +2273,7 @@ PP(pp_ioctl) SV * const argsv = POPs; const unsigned int func = POPu; const int optype = PL_op->op_type; - GV * const gv = (GV*)POPs; + GV * const gv = MUTABLE_GV(POPs); IO * const io = gv ? GvIOn(gv) : NULL; char *s; IV retval; @@ -2312,7 +2350,7 @@ PP(pp_flock) IO *io = NULL; PerlIO *fp; const int argtype = POPi; - GV * const gv = (MAXARG == 0) ? PL_last_in_gv : (GV*)POPs; + GV * const gv = (MAXARG == 0) ? PL_last_in_gv : MUTABLE_GV(POPs); if (gv && (io = GvIO(gv))) fp = IoIFP(io); @@ -2347,7 +2385,7 @@ PP(pp_socket) const int protocol = POPi; const int type = POPi; const int domain = POPi; - GV * const gv = (GV*)POPs; + GV * const gv = MUTABLE_GV(POPs); register IO * const io = gv ? GvIOn(gv) : NULL; int fd; @@ -2397,8 +2435,8 @@ PP(pp_sockpair) const int protocol = POPi; const int type = POPi; const int domain = POPi; - GV * const gv2 = (GV*)POPs; - GV * const gv1 = (GV*)POPs; + GV * const gv2 = MUTABLE_GV(POPs); + GV * const gv1 = MUTABLE_GV(POPs); register IO * const io1 = gv1 ? GvIOn(gv1) : NULL; register IO * const io2 = gv2 ? GvIOn(gv2) : NULL; int fd[2]; @@ -2458,7 +2496,7 @@ PP(pp_bind) SV * const addrsv = POPs; /* OK, so on what platform does bind modify addr? */ const char *addr; - GV * const gv = (GV*)POPs; + GV * const gv = MUTABLE_GV(POPs); register IO * const io = GvIOn(gv); STRLEN len; @@ -2487,7 +2525,7 @@ PP(pp_connect) #ifdef HAS_SOCKET dVAR; dSP; SV * const addrsv = POPs; - GV * const gv = (GV*)POPs; + GV * const gv = MUTABLE_GV(POPs); register IO * const io = GvIOn(gv); const char *addr; STRLEN len; @@ -2517,7 +2555,7 @@ PP(pp_listen) #ifdef HAS_SOCKET dVAR; dSP; const int backlog = POPi; - GV * const gv = (GV*)POPs; + GV * const gv = MUTABLE_GV(POPs); register IO * const io = gv ? GvIOn(gv) : NULL; if (!gv || !io || !IoIFP(io)) @@ -2550,8 +2588,8 @@ PP(pp_accept) #else Sock_size_t len = sizeof namebuf; #endif - GV * const ggv = (GV*)POPs; - GV * const ngv = (GV*)POPs; + GV * const ggv = MUTABLE_GV(POPs); + GV * const ngv = MUTABLE_GV(POPs); int fd; if (!ngv) @@ -2622,7 +2660,7 @@ PP(pp_shutdown) #ifdef HAS_SOCKET dVAR; dSP; dTARGET; const int how = POPi; - GV * const gv = (GV*)POPs; + GV * const gv = MUTABLE_GV(POPs); register IO * const io = GvIOn(gv); if (!io || !IoIFP(io)) @@ -2649,7 +2687,7 @@ PP(pp_ssockopt) SV * const sv = (optype == OP_GSOCKOPT) ? sv_2mortal(newSV(257)) : POPs; const unsigned int optname = (unsigned int) POPi; const unsigned int lvl = (unsigned int) POPi; - GV * const gv = (GV*)POPs; + GV * const gv = MUTABLE_GV(POPs); register IO * const io = GvIOn(gv); int fd; Sock_size_t len; @@ -2723,7 +2761,7 @@ PP(pp_getpeername) #ifdef HAS_SOCKET dVAR; dSP; const int optype = PL_op->op_type; - GV * const gv = (GV*)POPs; + GV * const gv = MUTABLE_GV(POPs); register IO * const io = GvIOn(gv); Sock_size_t len; SV *sv; @@ -2798,9 +2836,8 @@ PP(pp_stat) if (PL_op->op_type == OP_LSTAT) { if (gv != PL_defgv) { do_fstat_warning_check: - if (ckWARN(WARN_IO)) - Perl_warner(aTHX_ packWARN(WARN_IO), - "lstat() on filehandle %s", gv ? GvENAME(gv) : ""); + Perl_ck_warner(aTHX_ packWARN(WARN_IO), + "lstat() on filehandle %s", gv ? GvENAME(gv) : ""); } else if (PL_laststype != OP_LSTAT) Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat"); } @@ -2809,7 +2846,7 @@ PP(pp_stat) if (gv != PL_defgv) { PL_laststype = OP_STAT; PL_statgv = gv; - sv_setpvn(PL_statname, "", 0); + sv_setpvs(PL_statname, ""); if(gv) { io = GvIO(gv); do_fstat_have_io: @@ -2835,16 +2872,16 @@ PP(pp_stat) } else { SV* const sv = POPs; - if (SvTYPE(sv) == SVt_PVGV) { - gv = (GV*)sv; + if (isGV_with_GP(sv)) { + gv = MUTABLE_GV(sv); goto do_fstat; - } else if(SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) { - gv = (GV*)SvRV(sv); + } else if(SvROK(sv) && isGV_with_GP(SvRV(sv))) { + gv = MUTABLE_GV(SvRV(sv)); if (PL_op->op_type == OP_LSTAT) goto do_fstat_warning_check; goto do_fstat; } else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVIO) { - io = (IO*)SvRV(sv); + io = MUTABLE_IO(SvRV(sv)); if (PL_op->op_type == OP_LSTAT) goto do_fstat_warning_check; goto do_fstat_have_io; @@ -2873,64 +2910,111 @@ PP(pp_stat) if (max) { EXTEND(SP, max); EXTEND_MORTAL(max); - PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev))); - PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino))); - PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode))); - PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink))); + mPUSHi(PL_statcache.st_dev); + mPUSHi(PL_statcache.st_ino); + mPUSHu(PL_statcache.st_mode); + mPUSHu(PL_statcache.st_nlink); #if Uid_t_size > IVSIZE - PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid))); + mPUSHn(PL_statcache.st_uid); #else # if Uid_t_sign <= 0 - PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid))); + mPUSHi(PL_statcache.st_uid); # else - PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid))); + mPUSHu(PL_statcache.st_uid); # endif #endif #if Gid_t_size > IVSIZE - PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid))); + mPUSHn(PL_statcache.st_gid); #else # if Gid_t_sign <= 0 - PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid))); + mPUSHi(PL_statcache.st_gid); # else - PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid))); + mPUSHu(PL_statcache.st_gid); # endif #endif #ifdef USE_STAT_RDEV - PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev))); + mPUSHi(PL_statcache.st_rdev); #else - PUSHs(sv_2mortal(newSVpvs(""))); + PUSHs(newSVpvs_flags("", SVs_TEMP)); #endif #if Off_t_size > IVSIZE - PUSHs(sv_2mortal(newSVnv((NV)PL_statcache.st_size))); + mPUSHn(PL_statcache.st_size); #else - PUSHs(sv_2mortal(newSViv(PL_statcache.st_size))); + mPUSHi(PL_statcache.st_size); #endif #ifdef BIG_TIME - PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime))); - PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime))); - PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime))); + mPUSHn(PL_statcache.st_atime); + mPUSHn(PL_statcache.st_mtime); + mPUSHn(PL_statcache.st_ctime); #else - PUSHs(sv_2mortal(newSViv((IV)PL_statcache.st_atime))); - PUSHs(sv_2mortal(newSViv((IV)PL_statcache.st_mtime))); - PUSHs(sv_2mortal(newSViv((IV)PL_statcache.st_ctime))); + mPUSHi(PL_statcache.st_atime); + mPUSHi(PL_statcache.st_mtime); + mPUSHi(PL_statcache.st_ctime); #endif #ifdef USE_STAT_BLOCKS - PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize))); - PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks))); + mPUSHu(PL_statcache.st_blksize); + mPUSHu(PL_statcache.st_blocks); #else - PUSHs(sv_2mortal(newSVpvs(""))); - PUSHs(sv_2mortal(newSVpvs(""))); + PUSHs(newSVpvs_flags("", SVs_TEMP)); + PUSHs(newSVpvs_flags("", SVs_TEMP)); #endif } RETURN; } +#define tryAMAGICftest_MG(chr) STMT_START { \ + if ( (SvFLAGS(TOPs) & (SVf_ROK|SVs_GMG)) \ + && S_try_amagic_ftest(aTHX_ chr)) \ + return NORMAL; \ + } STMT_END + +STATIC bool +S_try_amagic_ftest(pTHX_ char chr) { + dVAR; + dSP; + SV* const arg = TOPs; + + assert(chr != '?'); + SvGETMAGIC(arg); + + if ((PL_op->op_flags & OPf_KIDS) + && SvAMAGIC(TOPs)) + { + const char tmpchr = chr; + const OP *next; + SV * const tmpsv = amagic_call(arg, + newSVpvn_flags(&tmpchr, 1, SVs_TEMP), + ftest_amg, AMGf_unary); + + if (!tmpsv) + return FALSE; + + SPAGAIN; + + next = PL_op->op_next; + if (next->op_type >= OP_FTRREAD && + next->op_type <= OP_FTBINARY && + next->op_private & OPpFT_STACKED + ) { + if (SvTRUE(tmpsv)) + /* leave the object alone */ + return TRUE; + } + + SETs(tmpsv); + PUTBACK; + return TRUE; + } + return FALSE; +} + + /* This macro is used by the stacked filetest operators : * if the previous filetest failed, short-circuit and pass its value. * Else, discard it from the stack and continue. --rgs */ #define STACKED_FTEST_CHECK if (PL_op->op_private & OPpFT_STACKED) { \ - if (TOPs == &PL_sv_no || TOPs == &PL_sv_undef) { RETURN; } \ + if (!SvTRUE(TOPs)) { RETURN; } \ else { (void)POPs; PUTBACK; } \ } @@ -2956,8 +3040,19 @@ PP(pp_ftrread) int stat_mode = S_IRUSR; bool effective = FALSE; + char opchar = '?'; dSP; + switch (PL_op->op_type) { + case OP_FTRREAD: opchar = 'R'; break; + case OP_FTRWRITE: opchar = 'W'; break; + case OP_FTREXEC: opchar = 'X'; break; + case OP_FTEREAD: opchar = 'r'; break; + case OP_FTEWRITE: opchar = 'w'; break; + case OP_FTEEXEC: opchar = 'x'; break; + } + tryAMAGICftest_MG(opchar); + STACKED_FTEST_CHECK; switch (PL_op->op_type) { @@ -2990,7 +3085,7 @@ PP(pp_ftrread) access_mode = W_OK; #endif stat_mode = S_IWUSR; - /* Fall through */ + /* fall through */ case OP_FTEREAD: #ifndef PERL_EFF_ACCESS @@ -2999,10 +3094,9 @@ PP(pp_ftrread) effective = TRUE; break; - case OP_FTEEXEC: #ifdef PERL_EFF_ACCESS - access_mode = W_OK; + access_mode = X_OK; #else use_access = 0; #endif @@ -3037,7 +3131,7 @@ PP(pp_ftrread) #endif } - result = my_stat(); + result = my_stat_flags(0); SPAGAIN; if (result < 0) RETPUSHUNDEF; @@ -3051,9 +3145,21 @@ PP(pp_ftis) dVAR; I32 result; const int op_type = PL_op->op_type; + char opchar = '?'; dSP; + + switch (op_type) { + case OP_FTIS: opchar = 'e'; break; + case OP_FTSIZE: opchar = 's'; break; + case OP_FTMTIME: opchar = 'M'; break; + case OP_FTCTIME: opchar = 'C'; break; + case OP_FTATIME: opchar = 'A'; break; + } + tryAMAGICftest_MG(opchar); + STACKED_FTEST_CHECK; - result = my_stat(); + + result = my_stat_flags(0); SPAGAIN; if (result < 0) RETPUSHUNDEF; @@ -3089,25 +3195,52 @@ PP(pp_ftrowned) { dVAR; I32 result; + char opchar = '?'; dSP; + switch (PL_op->op_type) { + case OP_FTROWNED: opchar = 'O'; break; + case OP_FTEOWNED: opchar = 'o'; break; + case OP_FTZERO: opchar = 'z'; break; + case OP_FTSOCK: opchar = 'S'; break; + case OP_FTCHR: opchar = 'c'; break; + case OP_FTBLK: opchar = 'b'; break; + case OP_FTFILE: opchar = 'f'; break; + case OP_FTDIR: opchar = 'd'; break; + case OP_FTPIPE: opchar = 'p'; break; + case OP_FTSUID: opchar = 'u'; break; + case OP_FTSGID: opchar = 'g'; break; + case OP_FTSVTX: opchar = 'k'; break; + } + tryAMAGICftest_MG(opchar); + + STACKED_FTEST_CHECK; + /* I believe that all these three are likely to be defined on most every system these days. */ #ifndef S_ISUID - if(PL_op->op_type == OP_FTSUID) + if(PL_op->op_type == OP_FTSUID) { + if ((PL_op->op_flags & OPf_REF) == 0 && (PL_op->op_private & OPpFT_STACKED) == 0) + (void) POPs; RETPUSHNO; + } #endif #ifndef S_ISGID - if(PL_op->op_type == OP_FTSGID) + if(PL_op->op_type == OP_FTSGID) { + if ((PL_op->op_flags & OPf_REF) == 0 && (PL_op->op_private & OPpFT_STACKED) == 0) + (void) POPs; RETPUSHNO; + } #endif #ifndef S_ISVTX - if(PL_op->op_type == OP_FTSVTX) + if(PL_op->op_type == OP_FTSVTX) { + if ((PL_op->op_flags & OPf_REF) == 0 && (PL_op->op_private & OPpFT_STACKED) == 0) + (void) POPs; RETPUSHNO; + } #endif - STACKED_FTEST_CHECK; - result = my_stat(); + result = my_stat_flags(0); SPAGAIN; if (result < 0) RETPUSHUNDEF; @@ -3173,8 +3306,13 @@ PP(pp_ftrowned) PP(pp_ftlink) { dVAR; - I32 result = my_lstat(); dSP; + I32 result; + + tryAMAGICftest_MG('l'); + result = my_lstat_flags(0); + SPAGAIN; + if (result < 0) RETPUSHUNDEF; if (S_ISLNK(PL_statcache.st_mode)) @@ -3189,24 +3327,30 @@ PP(pp_fttty) int fd; GV *gv; SV *tmpsv = NULL; + char *name = NULL; + STRLEN namelen; + + tryAMAGICftest_MG('t'); STACKED_FTEST_CHECK; if (PL_op->op_flags & OPf_REF) gv = cGVOP_gv; else if (isGV(TOPs)) - gv = (GV*)POPs; + gv = MUTABLE_GV(POPs); else if (SvROK(TOPs) && isGV(SvRV(TOPs))) - gv = (GV*)SvRV(POPs); - else - gv = gv_fetchsv(tmpsv = POPs, 0, SVt_PVIO); + gv = MUTABLE_GV(SvRV(POPs)); + else { + tmpsv = POPs; + name = SvPV_nomg(tmpsv, namelen); + gv = gv_fetchpvn_flags(name, namelen, SvUTF8(tmpsv), SVt_PVIO); + } if (GvIO(gv) && IoIFP(GvIOp(gv))) fd = PerlIO_fileno(IoIFP(GvIOp(gv))); else if (tmpsv && SvOK(tmpsv)) { - const char *tmps = SvPV_nolen_const(tmpsv); - if (isDIGIT(*tmps)) - fd = atoi(tmps); + if (isDIGIT(*name)) + fd = atoi(name); else RETPUSHUNDEF; } @@ -3239,14 +3383,16 @@ PP(pp_fttext) GV *gv; PerlIO *fp; + tryAMAGICftest_MG(PL_op->op_type == OP_FTTEXT ? 'T' : 'B'); + STACKED_FTEST_CHECK; if (PL_op->op_flags & OPf_REF) gv = cGVOP_gv; else if (isGV(TOPs)) - gv = (GV*)POPs; + gv = MUTABLE_GV(POPs); else if (SvROK(TOPs) && isGV(SvRV(TOPs))) - gv = (GV*)SvRV(POPs); + gv = MUTABLE_GV(SvRV(POPs)); else gv = NULL; @@ -3263,7 +3409,7 @@ PP(pp_fttext) else { PL_statgv = gv; PL_laststatval = -1; - sv_setpvn(PL_statname, "", 0); + sv_setpvs(PL_statname, ""); io = GvIO(PL_statgv); } if (io && IoIFP(io)) { @@ -3305,7 +3451,7 @@ PP(pp_fttext) really_filename: PL_statgv = NULL; PL_laststype = OP_STAT; - sv_setpv(PL_statname, SvPV_nolen_const(sv)); + sv_setpv(PL_statname, SvPV_nomg_const_nolen(sv)); if (!(fp = PerlIO_open(SvPVX_const(PL_statname), "r"))) { if (ckWARN(WARN_NEWLINE) && strchr(SvPV_nolen_const(PL_statname), '\n')) @@ -3395,11 +3541,11 @@ PP(pp_chdir) if (PL_op->op_flags & OPf_SPECIAL) { gv = gv_fetchsv(sv, 0, SVt_PVIO); } - else if (SvTYPE(sv) == SVt_PVGV) { - gv = (GV*)sv; + else if (isGV_with_GP(sv)) { + gv = MUTABLE_GV(sv); } - else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) { - gv = (GV*)SvRV(sv); + else if (SvROK(sv) && isGV_with_GP(SvRV(sv))) { + gv = MUTABLE_GV(SvRV(sv)); } else { tmps = SvPV_nolen_const(sv); @@ -3577,7 +3723,6 @@ PP(pp_readlink) #endif tmps = POPpconstx; len = readlink(tmps, buf, sizeof(buf) - 1); - EXTEND(SP, 1); if (len < 0) RETPUSHUNDEF; PUSHp(buf, len); @@ -3599,6 +3744,8 @@ S_dooneliner(pTHX_ const char *cmd, const char *filename) int anum = 1; Size_t size = strlen(cmd) + (strlen(filename) * 2) + 10; + PERL_ARGS_ASSERT_DOONELINER; + Newx(cmdline, size, char); my_strlcpy(cmdline, cmd, size); my_strlcat(cmdline, " ", size); @@ -3750,15 +3897,16 @@ PP(pp_open_dir) #if defined(Direntry_t) && defined(HAS_READDIR) dVAR; dSP; const char * const dirname = POPpconstx; - GV * const gv = (GV*)POPs; + GV * const gv = MUTABLE_GV(POPs); register IO * const io = GvIOn(gv); if (!io) goto nope; - if ((IoIFP(io) || IoOFP(io)) && ckWARN2(WARN_IO, WARN_DEPRECATED)) - Perl_warner(aTHX_ packWARN2(WARN_IO, WARN_DEPRECATED), - "Opening filehandle %s also as a directory", GvENAME(gv)); + if ((IoIFP(io) || IoOFP(io))) + Perl_ck_warner_d(aTHX_ packWARN2(WARN_IO, WARN_DEPRECATED), + "Opening filehandle %s also as a directory", + GvENAME(gv)); if (IoDIRP(io)) PerlDir_close(IoDIRP(io)); if (!(IoDIRP(io) = PerlDir_open(dirname))) @@ -3787,15 +3935,13 @@ PP(pp_readdir) SV *sv; const I32 gimme = GIMME; - GV * const gv = (GV *)POPs; + GV * const gv = MUTABLE_GV(POPs); register const Direntry_t *dp; register IO * const io = GvIOn(gv); if (!io || !IoDIRP(io)) { - if(ckWARN(WARN_IO)) { - Perl_warner(aTHX_ packWARN(WARN_IO), - "readdir() attempted on invalid dirhandle %s", GvENAME(gv)); - } + Perl_ck_warner(aTHX_ packWARN(WARN_IO), + "readdir() attempted on invalid dirhandle %s", GvENAME(gv)); goto nope; } @@ -3812,7 +3958,7 @@ PP(pp_readdir) if (!(IoFLAGS(io) & IOf_UNTAINT)) SvTAINTED_on(sv); #endif - XPUSHs(sv_2mortal(sv)); + mXPUSHs(sv); } while (gimme == G_ARRAY); if (!dp && gimme != G_ARRAY) @@ -3841,14 +3987,12 @@ PP(pp_telldir) # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO) long telldir (DIR *); # endif - GV * const gv = (GV*)POPs; + GV * const gv = MUTABLE_GV(POPs); register IO * const io = GvIOn(gv); if (!io || !IoDIRP(io)) { - if(ckWARN(WARN_IO)) { - Perl_warner(aTHX_ packWARN(WARN_IO), - "telldir() attempted on invalid dirhandle %s", GvENAME(gv)); - } + Perl_ck_warner(aTHX_ packWARN(WARN_IO), + "telldir() attempted on invalid dirhandle %s", GvENAME(gv)); goto nope; } @@ -3868,14 +4012,12 @@ PP(pp_seekdir) #if defined(HAS_SEEKDIR) || defined(seekdir) dVAR; dSP; const long along = POPl; - GV * const gv = (GV*)POPs; + GV * const gv = MUTABLE_GV(POPs); register IO * const io = GvIOn(gv); if (!io || !IoDIRP(io)) { - if(ckWARN(WARN_IO)) { - Perl_warner(aTHX_ packWARN(WARN_IO), - "seekdir() attempted on invalid dirhandle %s", GvENAME(gv)); - } + Perl_ck_warner(aTHX_ packWARN(WARN_IO), + "seekdir() attempted on invalid dirhandle %s", GvENAME(gv)); goto nope; } (void)PerlDir_seek(IoDIRP(io), along); @@ -3894,14 +4036,12 @@ PP(pp_rewinddir) { #if defined(HAS_REWINDDIR) || defined(rewinddir) dVAR; dSP; - GV * const gv = (GV*)POPs; + GV * const gv = MUTABLE_GV(POPs); register IO * const io = GvIOn(gv); if (!io || !IoDIRP(io)) { - if(ckWARN(WARN_IO)) { - Perl_warner(aTHX_ packWARN(WARN_IO), - "rewinddir() attempted on invalid dirhandle %s", GvENAME(gv)); - } + Perl_ck_warner(aTHX_ packWARN(WARN_IO), + "rewinddir() attempted on invalid dirhandle %s", GvENAME(gv)); goto nope; } (void)PerlDir_rewind(IoDIRP(io)); @@ -3919,14 +4059,12 @@ PP(pp_closedir) { #if defined(Direntry_t) && defined(HAS_READDIR) dVAR; dSP; - GV * const gv = (GV*)POPs; + GV * const gv = MUTABLE_GV(POPs); register IO * const io = GvIOn(gv); if (!io || !IoDIRP(io)) { - if(ckWARN(WARN_IO)) { - Perl_warner(aTHX_ packWARN(WARN_IO), - "closedir() attempted on invalid dirhandle %s", GvENAME(gv)); - } + Perl_ck_warner(aTHX_ packWARN(WARN_IO), + "closedir() attempted on invalid dirhandle %s", GvENAME(gv)); goto nope; } #ifdef VOID_CLOSEDIR @@ -3998,7 +4136,7 @@ PP(pp_fork) PP(pp_wait) { -#if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL) && !defined(__LIBCATAMOUNT__) +#if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(__LIBCATAMOUNT__) dVAR; dSP; dTARGET; Pid_t childpid; int argflags; @@ -4026,7 +4164,7 @@ PP(pp_wait) PP(pp_waitpid) { -#if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL) && !defined(__LIBCATAMOUNT__) +#if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(__LIBCATAMOUNT__) dVAR; dSP; dTARGET; const int optype = POPi; const Pid_t pid = TOPi; @@ -4163,14 +4301,14 @@ PP(pp_system) result = 0; if (PL_op->op_flags & OPf_STACKED) { SV * const really = *++MARK; -# if defined(WIN32) || defined(OS2) || defined(__SYMBIAN32__) +# if defined(WIN32) || defined(OS2) || defined(__SYMBIAN32__) || defined(__VMS) value = (I32)do_aspawn(really, MARK, SP); # else value = (I32)do_aspawn(really, (void **)MARK, (void **)SP); # endif } else if (SP - MARK != 1) { -# if defined(WIN32) || defined(OS2) || defined(__SYMBIAN32__) +# if defined(WIN32) || defined(OS2) || defined(__SYMBIAN32__) || defined(__VMS) value = (I32)do_aspawn(NULL, MARK, SP); # else value = (I32)do_aspawn(NULL, (void **)MARK, (void **)SP); @@ -4289,6 +4427,7 @@ PP(pp_setpgrp) if (MAXARG < 2) { pgrp = 0; pid = 0; + XPUSHi(-1); } else { pgrp = POPi; @@ -4312,13 +4451,19 @@ PP(pp_setpgrp) #endif } +#ifdef __GLIBC__ +# define PRIORITY_WHICH_T(which) (__priority_which_t)which +#else +# define PRIORITY_WHICH_T(which) which +#endif + PP(pp_getpriority) { #ifdef HAS_GETPRIORITY dVAR; dSP; dTARGET; const int who = POPi; const int which = TOPi; - SETi( getpriority(which, who) ); + SETi( getpriority(PRIORITY_WHICH_T(which), who) ); RETURN; #else DIE(aTHX_ PL_no_func, "getpriority()"); @@ -4333,13 +4478,15 @@ PP(pp_setpriority) const int who = POPi; const int which = TOPi; TAINT_PROPER("setpriority"); - SETi( setpriority(which, who, niceval) >= 0 ); + SETi( setpriority(PRIORITY_WHICH_T(which), who, niceval) >= 0 ); RETURN; #else DIE(aTHX_ PL_no_func, "setpriority()"); #endif } +#undef PRIORITY_WHICH_T + /* Time calls. */ PP(pp_time) @@ -4367,22 +4514,22 @@ PP(pp_tms) /* is returned. */ #endif - PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/(NV)PL_clocktick))); + mPUSHn(((NV)PL_timesbuf.tms_utime)/(NV)PL_clocktick); if (GIMME == G_ARRAY) { - PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/(NV)PL_clocktick))); - PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/(NV)PL_clocktick))); - PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/(NV)PL_clocktick))); + mPUSHn(((NV)PL_timesbuf.tms_stime)/(NV)PL_clocktick); + mPUSHn(((NV)PL_timesbuf.tms_cutime)/(NV)PL_clocktick); + mPUSHn(((NV)PL_timesbuf.tms_cstime)/(NV)PL_clocktick); } RETURN; #else # ifdef PERL_MICRO dSP; - PUSHs(sv_2mortal(newSVnv((NV)0.0))); + mPUSHn(0.0); EXTEND(SP, 4); if (GIMME == G_ARRAY) { - PUSHs(sv_2mortal(newSVnv((NV)0.0))); - PUSHs(sv_2mortal(newSVnv((NV)0.0))); - PUSHs(sv_2mortal(newSVnv((NV)0.0))); + mPUSHn(0.0); + mPUSHn(0.0); + mPUSHn(0.0); } RETURN; # else @@ -4391,104 +4538,101 @@ PP(pp_tms) #endif /* HAS_TIMES */ } -#ifdef LOCALTIME_EDGECASE_BROKEN -static struct tm *S_my_localtime (pTHX_ Time_t *tp) -{ - auto time_t T; - auto struct tm *P; - - /* No workarounds in the valid range */ - if (!tp || *tp < 0x7fff573f || *tp >= 0x80000000) - return (localtime (tp)); - - /* This edge case is to workaround the undefined behaviour, where the - * TIMEZONE makes the time go beyond the defined range. - * gmtime (0x7fffffff) => 2038-01-19 03:14:07 - * If there is a negative offset in TZ, like MET-1METDST, some broken - * implementations of localtime () (like AIX 5.2) barf with bogus - * return values: - * 0x7fffffff gmtime 2038-01-19 03:14:07 - * 0x7fffffff localtime 1901-12-13 21:45:51 - * 0x7fffffff mylocaltime 2038-01-19 04:14:07 - * 0x3c19137f gmtime 2001-12-13 20:45:51 - * 0x3c19137f localtime 2001-12-13 21:45:51 - * 0x3c19137f mylocaltime 2001-12-13 21:45:51 - * Given that legal timezones are typically between GMT-12 and GMT+12 - * we turn back the clock 23 hours before calling the localtime - * function, and add those to the return value. This will never cause - * day wrapping problems, since the edge case is Tue Jan *19* - */ - T = *tp - 82800; /* 23 hour. allows up to GMT-23 */ - P = localtime (&T); - P->tm_hour += 23; - if (P->tm_hour >= 24) { - P->tm_hour -= 24; - P->tm_mday++; /* 18 -> 19 */ - P->tm_wday++; /* Mon -> Tue */ - P->tm_yday++; /* 18 -> 19 */ - } - return (P); -} /* S_my_localtime */ -#endif +/* The 32 bit int year limits the times we can represent to these + boundaries with a few days wiggle room to account for time zone + offsets +*/ +/* Sat Jan 3 00:00:00 -2147481748 */ +#define TIME_LOWER_BOUND -67768100567755200.0 +/* Sun Dec 29 12:00:00 2147483647 */ +#define TIME_UPPER_BOUND 67767976233316800.0 PP(pp_gmtime) { dVAR; dSP; - Time_t when; - const struct tm *tmbuf; + Time64_T when; + struct TM tmbuf; + struct TM *err; + const char *opname = PL_op->op_type == OP_LOCALTIME ? "localtime" : "gmtime"; static const char * const dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"}; static const char * const monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; - if (MAXARG < 1) - (void)time(&when); - else -#ifdef BIG_TIME - when = (Time_t)SvNVx(POPs); -#else - when = (Time_t)SvIVx(POPs); -#endif + if (MAXARG < 1) { + time_t now; + (void)time(&now); + when = (Time64_T)now; + } + else { + NV input = Perl_floor(POPn); + when = (Time64_T)input; + if (when != input) { + Perl_ck_warner(aTHX_ packWARN(WARN_OVERFLOW), + "%s(%.0" NVff ") too large", opname, input); + } + } - if (PL_op->op_type == OP_LOCALTIME) -#ifdef LOCALTIME_EDGECASE_BROKEN - tmbuf = S_my_localtime(aTHX_ &when); -#else - tmbuf = localtime(&when); -#endif - else - tmbuf = gmtime(&when); + if ( TIME_LOWER_BOUND > when ) { + Perl_ck_warner(aTHX_ packWARN(WARN_OVERFLOW), + "%s(%.0" NVff ") too small", opname, when); + err = NULL; + } + else if( when > TIME_UPPER_BOUND ) { + Perl_ck_warner(aTHX_ packWARN(WARN_OVERFLOW), + "%s(%.0" NVff ") too large", opname, when); + err = NULL; + } + else { + if (PL_op->op_type == OP_LOCALTIME) + err = S_localtime64_r(&when, &tmbuf); + else + err = S_gmtime64_r(&when, &tmbuf); + } - if (GIMME != G_ARRAY) { + if (err == NULL) { + /* XXX %lld broken for quads */ + Perl_ck_warner(aTHX_ packWARN(WARN_OVERFLOW), + "%s(%.0" NVff ") failed", opname, when); + } + + if (GIMME != G_ARRAY) { /* scalar context */ SV *tsv; + /* XXX newSVpvf()'s %lld type is broken, so cheat with a double */ + double year = (double)tmbuf.tm_year + 1900; + EXTEND(SP, 1); EXTEND_MORTAL(1); - if (!tmbuf) + if (err == NULL) RETPUSHUNDEF; - tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d", - dayname[tmbuf->tm_wday], - monname[tmbuf->tm_mon], - tmbuf->tm_mday, - tmbuf->tm_hour, - tmbuf->tm_min, - tmbuf->tm_sec, - tmbuf->tm_year + 1900); - PUSHs(sv_2mortal(tsv)); - } - else if (tmbuf) { + + tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %.0f", + dayname[tmbuf.tm_wday], + monname[tmbuf.tm_mon], + tmbuf.tm_mday, + tmbuf.tm_hour, + tmbuf.tm_min, + tmbuf.tm_sec, + year); + mPUSHs(tsv); + } + else { /* list context */ + if ( err == NULL ) + RETURN; + EXTEND(SP, 9); EXTEND_MORTAL(9); - PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec))); - PUSHs(sv_2mortal(newSViv(tmbuf->tm_min))); - PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour))); - PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday))); - PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon))); - PUSHs(sv_2mortal(newSViv(tmbuf->tm_year))); - PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday))); - PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday))); - PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst))); + mPUSHi(tmbuf.tm_sec); + mPUSHi(tmbuf.tm_min); + mPUSHi(tmbuf.tm_hour); + mPUSHi(tmbuf.tm_mday); + mPUSHi(tmbuf.tm_mon); + mPUSHn(tmbuf.tm_year); + mPUSHi(tmbuf.tm_wday); + mPUSHi(tmbuf.tm_yday); + mPUSHi(tmbuf.tm_isdst); } RETURN; } @@ -4500,7 +4644,6 @@ PP(pp_alarm) int anum; anum = POPi; anum = alarm((unsigned int)anum); - EXTEND(SP, 1); if (anum < 0) RETPUSHUNDEF; PUSHi(anum); @@ -4606,8 +4749,10 @@ S_space_join_names_mortal(pTHX_ char *const *array) { SV *target; + PERL_ARGS_ASSERT_SPACE_JOIN_NAMES_MORTAL; + if (array && *array) { - target = sv_2mortal(newSVpvs("")); + target = newSVpvs_flags("", SVs_TEMP); while (1) { sv_catpv(target, *array); if (!*++array) @@ -4634,7 +4779,7 @@ PP(pp_ghostent) struct hostent *gethostbyname(Netdb_name_t); struct hostent *gethostent(void); #endif - struct hostent *hent; + struct hostent *hent = NULL; unsigned long len; EXTEND(SP, 10); @@ -4690,18 +4835,18 @@ PP(pp_ghostent) } if (hent) { - PUSHs(sv_2mortal(newSVpv((char*)hent->h_name, 0))); + mPUSHs(newSVpv((char*)hent->h_name, 0)); PUSHs(space_join_names_mortal(hent->h_aliases)); - PUSHs(sv_2mortal(newSViv((IV)hent->h_addrtype))); + mPUSHi(hent->h_addrtype); len = hent->h_length; - PUSHs(sv_2mortal(newSViv((IV)len))); + mPUSHi(len); #ifdef h_addr for (elem = hent->h_addr_list; elem && *elem; elem++) { - XPUSHs(newSVpvn_flags(*elem, len, SVs_TEMP)); + mXPUSHp(*elem, len); } #else if (hent->h_addr) - PUSHs(newSVpvn(hent->h_addr, len)); + mPUSHp(hent->h_addr, len); else PUSHs(sv_mortalcopy(&PL_sv_no)); #endif /* h_addr */ @@ -4773,10 +4918,10 @@ PP(pp_gnetent) } if (nent) { - PUSHs(sv_2mortal(newSVpv(nent->n_name, 0))); + mPUSHs(newSVpv(nent->n_name, 0)); PUSHs(space_join_names_mortal(nent->n_aliases)); - PUSHs(sv_2mortal(newSViv((IV)nent->n_addrtype))); - PUSHs(sv_2mortal(newSViv((IV)nent->n_net))); + mPUSHi(nent->n_addrtype); + mPUSHi(nent->n_net); } RETURN; @@ -4834,9 +4979,9 @@ PP(pp_gprotoent) } if (pent) { - PUSHs(sv_2mortal(newSVpv(pent->p_name, 0))); + mPUSHs(newSVpv(pent->p_name, 0)); PUSHs(space_join_names_mortal(pent->p_aliases)); - PUSHs(sv_2mortal(newSViv((IV)pent->p_proto))); + mPUSHi(pent->p_proto); } RETURN; @@ -4904,14 +5049,14 @@ PP(pp_gservent) } if (sent) { - PUSHs(sv_2mortal(newSVpv(sent->s_name, 0))); + mPUSHs(newSVpv(sent->s_name, 0)); PUSHs(space_join_names_mortal(sent->s_aliases)); #ifdef HAS_NTOHS - PUSHs(sv_2mortal(newSViv((IV)PerlSock_ntohs(sent->s_port)))); + mPUSHi(PerlSock_ntohs(sent->s_port)); #else - PUSHs(sv_2mortal(newSViv((IV)(sent->s_port)))); + mPUSHi(sent->s_port); #endif - PUSHs(sv_2mortal(newSVpv(sent->s_proto, 0))); + mPUSHs(newSVpv(sent->s_proto, 0)); } RETURN; @@ -4935,7 +5080,7 @@ PP(pp_snetent) { #ifdef HAS_SETNETENT dVAR; dSP; - PerlSock_setnetent(TOPi); + (void)PerlSock_setnetent(TOPi); RETSETYES; #else DIE(aTHX_ PL_no_sock_func, "setnetent"); @@ -4946,7 +5091,7 @@ PP(pp_sprotoent) { #ifdef HAS_SETPROTOENT dVAR; dSP; - PerlSock_setprotoent(TOPi); + (void)PerlSock_setprotoent(TOPi); RETSETYES; #else DIE(aTHX_ PL_no_sock_func, "setprotoent"); @@ -4957,7 +5102,7 @@ PP(pp_sservent) { #ifdef HAS_SETSERVENT dVAR; dSP; - PerlSock_setservent(TOPi); + (void)PerlSock_setservent(TOPi); RETSETYES; #else DIE(aTHX_ PL_no_sock_func, "setservent"); @@ -5127,9 +5272,10 @@ PP(pp_gpwent) } if (pwent) { - PUSHs(sv_2mortal(newSVpv(pwent->pw_name, 0))); + mPUSHs(newSVpv(pwent->pw_name, 0)); - PUSHs(sv = sv_2mortal(newSViv(0))); + sv = newSViv(0); + mPUSHs(sv); /* If we have getspnam(), we try to dig up the shadow * password. If we are underprivileged, the shadow * interface will set the errno to EACCES or similar, @@ -5150,13 +5296,13 @@ PP(pp_gpwent) * has a different API than the Solaris/IRIX one. */ # if defined(HAS_GETSPNAM) && !defined(_AIX) { - const int saverrno = errno; + dSAVE_ERRNO; const struct spwd * const spwent = getspnam(pwent->pw_name); /* Save and restore errno so that * underprivileged attempts seem * to have never made the unsccessful * attempt to retrieve the shadow password. */ - errno = saverrno; + RESTORE_ERRNO; if (spwent && spwent->sp_pwdp) sv_setpv(sv, spwent->sp_pwdp); } @@ -5173,15 +5319,15 @@ PP(pp_gpwent) # endif # if Uid_t_sign <= 0 - PUSHs(sv_2mortal(newSViv((IV)pwent->pw_uid))); + mPUSHi(pwent->pw_uid); # else - PUSHs(sv_2mortal(newSVuv((UV)pwent->pw_uid))); + mPUSHu(pwent->pw_uid); # endif # if Uid_t_sign <= 0 - PUSHs(sv_2mortal(newSViv((IV)pwent->pw_gid))); + mPUSHi(pwent->pw_gid); # else - PUSHs(sv_2mortal(newSVuv((UV)pwent->pw_gid))); + mPUSHu(pwent->pw_gid); # endif /* pw_change, pw_quota, and pw_age are mutually exclusive-- * because of the poor interface of the Perl getpw*(), @@ -5189,13 +5335,13 @@ PP(pp_gpwent) * A better interface would have been to return a hash, * but we are accursed by our history, alas. --jhi. */ # ifdef PWCHANGE - PUSHs(sv_2mortal(newSViv((IV)pwent->pw_change))); + mPUSHi(pwent->pw_change); # else # ifdef PWQUOTA - PUSHs(sv_2mortal(newSViv((IV)pwent->pw_quota))); + mPUSHi(pwent->pw_quota); # else # ifdef PWAGE - PUSHs(sv_2mortal(newSVpv(pwent->pw_age, 0))); + mPUSHs(newSVpv(pwent->pw_age, 0)); # else /* I think that you can never get this compiled, but just in case. */ PUSHs(sv_mortalcopy(&PL_sv_no)); @@ -5206,10 +5352,10 @@ PP(pp_gpwent) /* pw_class and pw_comment are mutually exclusive--. * see the above note for pw_change, pw_quota, and pw_age. */ # ifdef PWCLASS - PUSHs(sv_2mortal(newSVpv(pwent->pw_class, 0))); + mPUSHs(newSVpv(pwent->pw_class, 0)); # else # ifdef PWCOMMENT - PUSHs(sv_2mortal(newSVpv(pwent->pw_comment, 0))); + mPUSHs(newSVpv(pwent->pw_comment, 0)); # else /* I think that you can never get this compiled, but just in case. */ PUSHs(sv_mortalcopy(&PL_sv_no)); @@ -5226,7 +5372,7 @@ PP(pp_gpwent) SvTAINTED_on(sv); # endif - PUSHs(sv_2mortal(newSVpv(pwent->pw_dir, 0))); + mPUSHs(newSVpv(pwent->pw_dir, 0)); PUSHs(sv = sv_2mortal(newSVpv(pwent->pw_shell, 0))); # ifndef INCOMPLETE_TAINTS @@ -5235,7 +5381,7 @@ PP(pp_gpwent) # endif # ifdef PWEXPIRE - PUSHs(sv_2mortal(newSViv((IV)pwent->pw_expire))); + mPUSHi(pwent->pw_expire); # endif } RETURN; @@ -5295,7 +5441,11 @@ PP(pp_ggrent) PUSHs(sv); if (grent) { if (which == OP_GGRNAM) +#if Gid_t_sign <= 0 sv_setiv(sv, (IV)grent->gr_gid); +#else + sv_setuv(sv, (UV)grent->gr_gid); +#endif else sv_setpv(sv, grent->gr_name); } @@ -5303,15 +5453,19 @@ PP(pp_ggrent) } if (grent) { - PUSHs(sv_2mortal(newSVpv(grent->gr_name, 0))); + mPUSHs(newSVpv(grent->gr_name, 0)); #ifdef GRPASSWD - PUSHs(sv_2mortal(newSVpv(grent->gr_passwd, 0))); + mPUSHs(newSVpv(grent->gr_passwd, 0)); #else PUSHs(sv_mortalcopy(&PL_sv_no)); #endif - PUSHs(sv_2mortal(newSViv((IV)grent->gr_gid))); +#if Gid_t_sign <= 0 + mPUSHi(grent->gr_gid); +#else + mPUSHu(grent->gr_gid); +#endif #if !(defined(_CRAYMPP) && defined(USE_REENTRANT_API)) /* In UNICOS/mk (_CRAYMPP) the multithreading @@ -5476,6 +5630,7 @@ PP(pp_syscall) static int fcntl_emulate_flock(int fd, int operation) { + int res; struct flock flock; switch (operation & ~LOCK_NB) { @@ -5495,7 +5650,10 @@ fcntl_emulate_flock(int fd, int operation) flock.l_whence = SEEK_SET; flock.l_start = flock.l_len = (Off_t)0; - return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock); + res = fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock); + if (res == -1 && ((errno == EAGAIN) || (errno == EACCES))) + errno = EWOULDBLOCK; + return res; } #endif /* FCNTL_EMULATE_FLOCK */ @@ -5534,15 +5692,15 @@ static int lockf_emulate_flock(int fd, int operation) { int i; - const int save_errno = errno; Off_t pos; + dSAVE_ERRNO; /* flock locks entire file so for lockf we need to do the same */ pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */ if (pos > 0) /* is seekable and needs to be repositioned */ if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0) pos = -1; /* seek failed, so don't seek back afterwards */ - errno = save_errno; + RESTORE_ERRNO; switch (operation) {