X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/10067d9ac787a7e27e17175ac3e209ef628b8aec..ea6efd2c816aee1bf9f4bfc59f5bf6b604e59cc2:/pp_sys.c diff --git a/pp_sys.c b/pp_sys.c index b8fa1a99..bcd99a5 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) @@ -328,7 +323,7 @@ PP(pp_backtick) ENTER; 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; @@ -385,7 +380,7 @@ 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 = newSVpvs_flags("\000", SVs_TEMP); @@ -483,7 +478,7 @@ PP(pp_die) PUSHs(file); PUSHs(line); PUTBACK; - call_sv((SV*)GvCV(gv), + call_sv(MUTABLE_SV(GvCV(gv)), G_SCALAR|G_EVAL|G_KEEPERR); sv_setsv(error,*PL_stack_sp--); } @@ -519,7 +514,7 @@ 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"); @@ -532,11 +527,11 @@ PP(pp_open) Perl_warner(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; @@ -569,15 +564,15 @@ PP(pp_open) 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 (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)); + XPUSHs(SvTIED_obj(MUTABLE_SV(io), mg)); PUTBACK; ENTER; call_method("CLOSE", G_SCALAR); @@ -601,13 +596,13 @@ 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); @@ -661,13 +656,13 @@ 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)); + XPUSHs(SvTIED_obj(MUTABLE_SV(io), mg)); PUTBACK; ENTER; call_method("FILENO", G_SCALAR); @@ -734,13 +729,13 @@ 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)); + XPUSHs(SvTIED_obj(MUTABLE_SV(io), mg)); if (discp) XPUSHs(discp); PUTBACK; @@ -762,8 +757,12 @@ 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)) { @@ -796,32 +795,30 @@ 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)) { + if (sv_isobject(*MARK)) { /* Calls GET magic. */ ENTER; PUSHSTACKi(PERLSI_MAGIC); PUSHMARK(SP); @@ -835,10 +832,12 @@ PP(pp_tie) /* Not clear why we don't call call_method here too. * perhaps to get different error message ? */ - 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; PUSHSTACKi(PERLSI_MAGIC); @@ -847,7 +846,7 @@ PP(pp_tie) while (items--) PUSHs(*MARK++); PUTBACK; - call_sv((SV*)GvCV(gv), G_SCALAR); + call_sv(MUTABLE_SV(GvCV(gv)), G_SCALAR); } SPAGAIN; @@ -877,7 +876,7 @@ 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))) { @@ -887,11 +886,11 @@ PP(pp_untie) CV *cv; if (gv && isGV(gv) && (cv = GvCV(gv))) { PUSHMARK(SP); - XPUSHs(SvTIED_obj((SV*)gv, mg)); + XPUSHs(SvTIED_obj(MUTABLE_SV(gv), mg)); mXPUSHi(SvREFCNT(obj) - 1); PUTBACK; ENTER; - call_sv((SV *)cv, G_VOID); + call_sv(MUTABLE_SV(cv), G_VOID); LEAVE; SPAGAIN; } @@ -915,7 +914,7 @@ 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))) { @@ -935,14 +934,14 @@ PP(pp_dbmopen) HV* stash; GV *gv; - HV * const hv = (HV*)POPs; + 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"); } @@ -958,7 +957,7 @@ PP(pp_dbmopen) 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)) { @@ -969,13 +968,13 @@ PP(pp_dbmopen) 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; @@ -1018,7 +1017,7 @@ 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); + DIE(aTHX_ "%s", PL_no_modify); } if (!SvPOK(sv)) { if (ckWARN(WARN_MISC)) @@ -1145,6 +1144,17 @@ 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) { @@ -1159,7 +1169,7 @@ PP(pp_select) { dVAR; dSP; dTARGET; HV *hv; - GV * const newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : NULL; + GV * const newdefout = (PL_op->op_private > 0) ? (MUTABLE_GV(POPs)) : NULL; GV * egv = GvEGV(PL_defoutgv); if (!egv) @@ -1174,7 +1184,7 @@ PP(pp_select) XPUSHTARG; } else { - mXPUSHs(newRV((SV*)egv)); + mXPUSHs(newRV(MUTABLE_SV(egv))); } } @@ -1191,14 +1201,14 @@ 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 (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)); + XPUSHs(SvTIED_obj(MUTABLE_SV(io), mg)); PUTBACK; ENTER; call_method("GETC", gimme); @@ -1217,7 +1227,7 @@ 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 */ @@ -1240,6 +1250,8 @@ S_doform(pTHX_ CV *cv, GV *gv, OP *retop) register PERL_CONTEXT *cx; const I32 gimme = GIMME_V; + PERL_ARGS_ASSERT_DOFORM; + ENTER; SAVETMPS; @@ -1265,7 +1277,7 @@ PP(pp_enterwrite) if (MAXARG == 0) gv = PL_defoutgv; else { - gv = (GV*)POPs; + gv = MUTABLE_GV(POPs); if (!gv) gv = PL_defoutgv; } @@ -1295,7 +1307,7 @@ PP(pp_enterwrite) DIE(aTHX_ "Not a format reference"); } if (CvCLONE(cv)) - cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); + cv = MUTABLE_CV(sv_2mortal(MUTABLE_SV(cv_clone(cv)))); IoFLAGS(io) &= ~IOf_DIDTOP; return doform(cv,gv,PL_op->op_next); @@ -1304,7 +1316,7 @@ 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; @@ -1386,7 +1398,7 @@ PP(pp_leavewrite) DIE(aTHX_ "Undefined top format called"); } if (cv && CvCLONE(cv)) - cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); + cv = MUTABLE_CV(sv_2mortal(MUTABLE_SV(cv_clone(cv)))); return doform(cv, gv, PL_op); } @@ -1436,10 +1448,11 @@ 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); @@ -1448,7 +1461,7 @@ 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); @@ -1508,7 +1521,7 @@ 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 ? */ @@ -1544,15 +1557,15 @@ 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; @@ -1568,7 +1581,7 @@ 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) @@ -1790,22 +1803,21 @@ 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; @@ -2000,51 +2012,60 @@ PP(pp_eof) { dVAR; dSP; GV *gv; + IO *io; + MAGIC *mg; - 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) */ + else if (PL_op->op_flags & OPf_SPECIAL) + gv = PL_last_in_gv = GvEGV(PL_argvgv); /* eof() - ARGV magic */ + else + gv = PL_last_in_gv; /* eof */ + + if (!gv) + RETPUSHNO; + + if ((io = GvIO(gv)) && (mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar))) { + PUSHMARK(SP); + XPUSHs(SvTIED_obj(MUTABLE_SV(io), mg)); + /* + * in Perl 5.12 and later, the additional paramter is a bitmask: + * 0 = eof + * 1 = eof(FH) + * 2 = eof() <- ARGV magic + */ + if (MAXARG) + mPUSHi(1); /* 1 = eof(FH) - simple, explicit FH */ + else if (PL_op->op_flags & OPf_SPECIAL) + mPUSHi(2); /* 2 = eof() - ARGV magic */ else - gv = PL_last_in_gv; /* eof */ + mPUSHi(0); /* 0 = eof - simple, implicit FH */ + PUTBACK; + ENTER; + call_method("EOF", G_SCALAR); + LEAVE; + SPAGAIN; + RETURN; } - 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 (!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; } @@ -2055,14 +2076,14 @@ PP(pp_tell) IO *io; if (MAXARG != 0) - PL_last_in_gv = (GV*)POPs; + PL_last_in_gv = MUTABLE_GV(POPs); 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)); + XPUSHs(SvTIED_obj(MUTABLE_SV(io), mg)); PUTBACK; ENTER; call_method("TELL", G_SCALAR); @@ -2090,14 +2111,14 @@ 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)); + XPUSHs(SvTIED_obj(MUTABLE_SV(io), mg)); #if LSEEKSIZE > IVSIZE mXPUSHn((NV) offset); #else @@ -2187,16 +2208,16 @@ 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; } @@ -2234,7 +2255,7 @@ 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; @@ -2311,7 +2332,7 @@ 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); @@ -2346,7 +2367,7 @@ 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; @@ -2396,8 +2417,8 @@ 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]; @@ -2457,7 +2478,7 @@ 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; @@ -2486,7 +2507,7 @@ 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; @@ -2516,7 +2537,7 @@ 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)) @@ -2549,8 +2570,8 @@ 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) @@ -2621,7 +2642,7 @@ 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)) @@ -2648,7 +2669,7 @@ 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; @@ -2722,7 +2743,7 @@ 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; @@ -2808,7 +2829,7 @@ 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: @@ -2834,16 +2855,16 @@ 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; @@ -2929,7 +2950,7 @@ PP(pp_stat) * 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; } \ } @@ -2955,8 +2976,19 @@ 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(opchar); + STACKED_FTEST_CHECK; switch (PL_op->op_type) { @@ -2989,7 +3021,7 @@ PP(pp_ftrread) access_mode = W_OK; #endif stat_mode = S_IWUSR; - /* Fall through */ + /* fall through */ case OP_FTEREAD: #ifndef PERL_EFF_ACCESS @@ -3049,8 +3081,20 @@ 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(opchar); + STACKED_FTEST_CHECK; + result = my_stat(); SPAGAIN; if (result < 0) @@ -3087,8 +3131,25 @@ 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(opchar); + /* I believe that all these three are likely to be defined on most every system these days. */ #ifndef S_ISUID @@ -3105,6 +3166,7 @@ PP(pp_ftrowned) #endif STACKED_FTEST_CHECK; + result = my_stat(); SPAGAIN; if (result < 0) @@ -3171,8 +3233,13 @@ PP(pp_ftrowned) PP(pp_ftlink) { dVAR; - I32 result = my_lstat(); dSP; + I32 result; + + tryAMAGICftest('l'); + result = my_lstat(); + SPAGAIN; + if (result < 0) RETPUSHUNDEF; if (S_ISLNK(PL_statcache.st_mode)) @@ -3188,14 +3255,16 @@ PP(pp_fttty) GV *gv; SV *tmpsv = NULL; + tryAMAGICftest('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); + gv = MUTABLE_GV(SvRV(POPs)); else gv = gv_fetchsv(tmpsv = POPs, 0, SVt_PVIO); @@ -3237,14 +3306,16 @@ PP(pp_fttext) GV *gv; PerlIO *fp; + tryAMAGICftest(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; @@ -3261,7 +3332,7 @@ 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)) { @@ -3393,11 +3464,11 @@ 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); @@ -3597,6 +3668,8 @@ 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); @@ -3748,7 +3821,7 @@ 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) @@ -3785,7 +3858,7 @@ 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); @@ -3839,7 +3912,7 @@ 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)) { @@ -3866,7 +3939,7 @@ 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)) { @@ -3892,7 +3965,7 @@ 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)) { @@ -3917,7 +3990,7 @@ 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)) { @@ -3996,7 +4069,7 @@ 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; @@ -4024,7 +4097,7 @@ 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; @@ -4161,14 +4234,14 @@ 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); @@ -4287,6 +4360,7 @@ PP(pp_setpgrp) if (MAXARG < 2) { pgrp = 0; pid = 0; + XPUSHi(-1); } else { pgrp = POPi; @@ -4389,104 +4463,80 @@ 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 - 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 { + double input = Perl_floor(POPn); + when = (Time64_T)input; + if (when != input && ckWARN(WARN_OVERFLOW)) { + Perl_warner(aTHX_ packWARN(WARN_OVERFLOW), + "%s(%.0f) 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 + err = S_localtime64_r(&when, &tmbuf); else - tmbuf = gmtime(&when); + err = S_gmtime64_r(&when, &tmbuf); - if (GIMME != G_ARRAY) { + if (err == NULL && ckWARN(WARN_OVERFLOW)) { + /* XXX %lld broken for quads */ + Perl_warner(aTHX_ packWARN(WARN_OVERFLOW), + "%s(%.0f) failed", opname, (double)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); + + 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 if (tmbuf) { + else { /* list context */ + if ( err == NULL ) + RETURN; + EXTEND(SP, 9); EXTEND_MORTAL(9); - mPUSHi(tmbuf->tm_sec); - mPUSHi(tmbuf->tm_min); - mPUSHi(tmbuf->tm_hour); - mPUSHi(tmbuf->tm_mday); - mPUSHi(tmbuf->tm_mon); - mPUSHi(tmbuf->tm_year); - mPUSHi(tmbuf->tm_wday); - mPUSHi(tmbuf->tm_yday); - mPUSHi(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; } @@ -4604,6 +4654,8 @@ S_space_join_names_mortal(pTHX_ char *const *array) { SV *target; + PERL_ARGS_ASSERT_SPACE_JOIN_NAMES_MORTAL; + if (array && *array) { target = newSVpvs_flags("", SVs_TEMP); while (1) { @@ -4933,7 +4985,7 @@ PP(pp_snetent) { #ifdef HAS_SETNETENT dVAR; dSP; - PerlSock_setnetent(TOPi); + (void)PerlSock_setnetent(TOPi); RETSETYES; #else DIE(aTHX_ PL_no_sock_func, "setnetent"); @@ -4944,7 +4996,7 @@ PP(pp_sprotoent) { #ifdef HAS_SETPROTOENT dVAR; dSP; - PerlSock_setprotoent(TOPi); + (void)PerlSock_setprotoent(TOPi); RETSETYES; #else DIE(aTHX_ PL_no_sock_func, "setprotoent"); @@ -4955,7 +5007,7 @@ PP(pp_sservent) { #ifdef HAS_SETSERVENT dVAR; dSP; - PerlSock_setservent(TOPi); + (void)PerlSock_setservent(TOPi); RETSETYES; #else DIE(aTHX_ PL_no_sock_func, "setservent"); @@ -5149,13 +5201,13 @@ 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); } @@ -5294,7 +5346,11 @@ 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); } @@ -5310,7 +5366,11 @@ PP(pp_ggrent) PUSHs(sv_mortalcopy(&PL_sv_no)); #endif +#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 @@ -5533,15 +5593,15 @@ 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) {