X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=pp_sys.c;h=976f5a13ad2558ac6deb39de387ad9e7f34a77e2;hb=ccc2aad8d8e6103f3ad40cea21552777ca27f419;hp=39a599af16f8929941f00dfda43836bac5279247;hpb=146174a91a192983720a158796dc066226ad0e55;p=p5sagit%2Fp5-mst-13.2.git diff --git a/pp_sys.c b/pp_sys.c index 39a599a..976f5a1 100644 --- a/pp_sys.c +++ b/pp_sys.c @@ -1,6 +1,6 @@ /* pp_sys.c * - * Copyright (c) 1991-1999, Larry Wall + * Copyright (c) 1991-2000, Larry Wall * * You may distribute under the terms of either the GNU General Public * License or the Artistic License, as specified in the README file. @@ -77,7 +77,7 @@ extern "C" int syscall(unsigned long,...); compiling multithreaded and singlethreaded ($ccflags et al). HOST_NOT_FOUND is typically defined in . */ -#if defined(HOST_NOT_FOUND) && !defined(h_errno) +#if defined(HOST_NOT_FOUND) && !defined(h_errno) && !defined(__CYGWIN__) extern int h_errno; #endif @@ -112,27 +112,12 @@ extern int h_errno; # include # endif #endif -#ifdef I_FCNTL -#include -#endif -#ifdef I_SYS_FILE -#include -#endif /* Put this after #includes because fork and vfork prototypes may conflict. */ #ifndef HAS_VFORK # define vfork fork #endif -/* Put this after #includes because defines _XOPEN_*. */ -#ifndef Sock_size_t -# if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__) -# define Sock_size_t Size_t -# else -# define Sock_size_t int -# endif -#endif - #ifdef HAS_CHSIZE # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */ # undef my_chsize @@ -319,9 +304,14 @@ PP(pp_backtick) STRLEN n_a; char *tmps = POPpx; I32 gimme = GIMME_V; + char *mode = "r"; TAINT_PROPER("``"); - fp = PerlProc_popen(tmps, "r"); + if (PL_op->op_private & OPpOPEN_IN_RAW) + mode = "rb"; + else if (PL_op->op_private & OPpOPEN_IN_CRLF) + mode = "rt"; + fp = PerlProc_popen(tmps, mode); if (fp) { if (gimme == G_VOID) { char tmpbuf[256]; @@ -371,6 +361,10 @@ PP(pp_glob) OP *result; tryAMAGICunTARGET(iter, -1); + /* Note that we only ever get here if File::Glob fails to load + * without at the same time croaking, for some reason, or if + * perl was built with PERL_EXTERNAL_GLOB */ + ENTER; #ifndef VMS @@ -442,7 +436,7 @@ PP(pp_warn) if (!tmps || !len) tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26)); - Perl_warn(aTHX_ "%_", tmpsv); + Perl_warn(aTHX_ "%"SVf, tmpsv); RETSETYES; } @@ -500,7 +494,7 @@ PP(pp_die) if (!tmps || !len) tmpsv = sv_2mortal(newSVpvn("Died", 4)); - DIE(aTHX_ "%_", tmpsv); + DIE(aTHX_ "%"SVf, tmpsv); } /* I/O. */ @@ -532,7 +526,7 @@ PP(pp_open) if (GvIOp(gv)) IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT; - if (mg = SvTIED_mg((SV*)gv, 'q')) { + if ((mg = SvTIED_mg((SV*)gv, 'q'))) { PUSHMARK(SP); XPUSHs(SvTIED_obj((SV*)gv, mg)); XPUSHs(sv); @@ -567,7 +561,7 @@ PP(pp_close) else gv = (GV*)POPs; - if (mg = SvTIED_mg((SV*)gv, 'q')) { + if ((mg = SvTIED_mg((SV*)gv, 'q'))) { PUSHMARK(SP); XPUSHs(SvTIED_obj((SV*)gv, mg)); PUTBACK; @@ -698,15 +692,20 @@ PP(pp_binmode) IO *io; PerlIO *fp; MAGIC *mg; + SV *discp = Nullsv; if (MAXARG < 1) RETPUSHUNDEF; + if (MAXARG > 1) + discp = POPs; gv = (GV*)POPs; if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) { PUSHMARK(SP); XPUSHs(SvTIED_obj((SV*)gv, mg)); + if (discp) + XPUSHs(discp); PUTBACK; ENTER; call_method("BINMODE", G_SCALAR); @@ -719,13 +718,12 @@ PP(pp_binmode) if (!(io = GvIO(gv)) || !(fp = IoIFP(io))) RETPUSHUNDEF; - if (do_binmode(fp,IoTYPE(io),TRUE)) + if (do_binmode(fp,IoTYPE(io),mode_from_discipline(discp))) RETPUSHYES; else RETPUSHUNDEF; } - PP(pp_tie) { djSP; @@ -808,7 +806,7 @@ PP(pp_untie) if (ckWARN(WARN_UNTIE)) { MAGIC * mg ; - if (mg = SvTIED_mg(sv, how)) { + if ((mg = SvTIED_mg(sv, how))) { if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1) Perl_warner(aTHX_ WARN_UNTIE, "untie attempted while %"UVuf" inner references still exist", @@ -827,7 +825,7 @@ PP(pp_tied) char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q'; MAGIC *mg; - if (mg = SvTIED_mg(sv, how)) { + if ((mg = SvTIED_mg(sv, how))) { SV *osv = SvTIED_obj(sv, mg); if (osv == mg->mg_obj) osv = sv_mortalcopy(osv); @@ -943,7 +941,7 @@ PP(pp_sselect) /* If SELECT_MIN_BITS is greater than one we most probably will want * to align the sizes with SELECT_MIN_BITS/8 because for example * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital - * UNIX, Solaris, NeXT, Rhapsody) the smallest quantum select() operates + * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates * on (sets/tests/clears bits) is 32 bits. */ growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8))); # else @@ -1091,12 +1089,12 @@ PP(pp_getc) GV *gv; MAGIC *mg; - if (MAXARG <= 0) + if (MAXARG == 0) gv = PL_stdingv; else gv = (GV*)POPs; - if (mg = SvTIED_mg((SV*)gv, 'q')) { + if ((mg = SvTIED_mg((SV*)gv, 'q'))) { I32 gimme = GIMME_V; PUSHMARK(SP); XPUSHs(SvTIED_obj((SV*)gv, mg)); @@ -1271,15 +1269,15 @@ PP(pp_leavewrite) fp = IoOFP(io); if (!fp) { if (ckWARN2(WARN_CLOSED,WARN_IO)) { - SV* sv = sv_newmortal(); - gv_efullname3(sv, gv, Nullch); - if (IoIFP(io)) + if (IoIFP(io)) { + SV* sv = sv_newmortal(); + gv_efullname3(sv, gv, Nullch); Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for input", SvPV_nolen(sv)); + } else if (ckWARN(WARN_CLOSED)) - Perl_warner(aTHX_ WARN_CLOSED, - "write() on closed filehandle %s", SvPV_nolen(sv)); + report_closed_fh(gv, io, "write", "filehandle"); } PUSHs(&PL_sv_no); } @@ -1320,7 +1318,7 @@ PP(pp_prtf) else gv = PL_defoutgv; - if (mg = SvTIED_mg((SV*)gv, 'q')) { + if ((mg = SvTIED_mg((SV*)gv, 'q'))) { if (MARK == ORIGMARK) { MEXTEND(SP, 1); ++MARK; @@ -1352,14 +1350,14 @@ PP(pp_prtf) } else if (!(fp = IoOFP(io))) { if (ckWARN2(WARN_CLOSED,WARN_IO)) { - gv_efullname3(sv, gv, Nullch); - if (IoIFP(io)) + if (IoIFP(io)) { + gv_efullname3(sv, gv, Nullch); Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for input", SvPV(sv,n_a)); + } else if (ckWARN(WARN_CLOSED)) - Perl_warner(aTHX_ WARN_CLOSED, - "printf() on closed filehandle %s", SvPV(sv,n_a)); + report_closed_fh(gv, io, "printf", "filehandle"); } SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI); goto just_say_no; @@ -1629,9 +1627,9 @@ PP(pp_send) length = -1; if (ckWARN(WARN_CLOSED)) { if (PL_op->op_type == OP_SYSWRITE) - Perl_warner(aTHX_ WARN_CLOSED, "syswrite() on closed filehandle"); + report_closed_fh(gv, io, "syswrite", "filehandle"); else - Perl_warner(aTHX_ WARN_CLOSED, "send() on closed socket"); + report_closed_fh(gv, io, "send", "socket"); } } else if (PL_op->op_type == OP_SYSWRITE) { @@ -1701,7 +1699,7 @@ PP(pp_eof) GV *gv; MAGIC *mg; - if (MAXARG <= 0) { + if (MAXARG == 0) { if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */ IO *io; gv = PL_last_in_gv = PL_argvgv; @@ -1745,7 +1743,7 @@ PP(pp_tell) GV *gv; MAGIC *mg; - if (MAXARG <= 0) + if (MAXARG == 0) gv = PL_last_in_gv; else gv = PL_last_in_gv = (GV*)POPs; @@ -1791,7 +1789,11 @@ PP(pp_sysseek) if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) { PUSHMARK(SP); XPUSHs(SvTIED_obj((SV*)gv, mg)); +#if LSEEKSIZE > IVSIZE + XPUSHs(sv_2mortal(newSVnv((NV) offset))); +#else XPUSHs(sv_2mortal(newSViv((IV) offset))); +#endif XPUSHs(sv_2mortal(newSViv((IV) whence))); PUTBACK; ENTER; @@ -1835,13 +1837,17 @@ PP(pp_truncate) tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO); do_ftruncate: TAINT_PROPER("truncate"); - if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) || + if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv))) + result = 0; + else { + PerlIO_flush(IoIFP(GvIOp(tmpgv))); #ifdef HAS_TRUNCATE - ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0) + if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0) #else - my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0) + if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0) #endif - result = 0; + result = 0; + } } else { SV *sv = POPs; @@ -1972,7 +1978,7 @@ PP(pp_flock) #ifdef FLOCK argtype = POPi; - if (MAXARG <= 0) + if (MAXARG == 0) gv = PL_last_in_gv; else gv = (GV*)POPs; @@ -1984,8 +1990,12 @@ PP(pp_flock) (void)PerlIO_flush(fp); value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0); } - else + else { value = 0; + SETERRNO(EBADF,RMS$_IFI); + if (ckWARN(WARN_CLOSED)) + report_closed_fh(gv, GvIO(gv), "flock", "filehandle"); + } PUSHi(value); RETURN; #else @@ -2030,6 +2040,9 @@ PP(pp_socket) if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd); RETPUSHUNDEF; } +#if defined(HAS_FCNTL) && defined(F_SETFD) + fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */ +#endif RETPUSHYES; #else @@ -2080,6 +2093,10 @@ PP(pp_sockpair) if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]); RETPUSHUNDEF; } +#if defined(HAS_FCNTL) && defined(F_SETFD) + fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */ + fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */ +#endif RETPUSHYES; #else @@ -2138,7 +2155,7 @@ PP(pp_bind) nuts: if (ckWARN(WARN_CLOSED)) - Perl_warner(aTHX_ WARN_CLOSED, "bind() on closed socket"); + report_closed_fh(gv, io, "bind", "socket"); SETERRNO(EBADF,SS$_IVCHAN); RETPUSHUNDEF; #else @@ -2168,7 +2185,7 @@ PP(pp_connect) nuts: if (ckWARN(WARN_CLOSED)) - Perl_warner(aTHX_ WARN_CLOSED, "connect() on closed socket"); + report_closed_fh(gv, io, "connect", "socket"); SETERRNO(EBADF,SS$_IVCHAN); RETPUSHUNDEF; #else @@ -2194,7 +2211,7 @@ PP(pp_listen) nuts: if (ckWARN(WARN_CLOSED)) - Perl_warner(aTHX_ WARN_CLOSED, "listen() on closed socket"); + report_closed_fh(gv, io, "listen", "socket"); SETERRNO(EBADF,SS$_IVCHAN); RETPUSHUNDEF; #else @@ -2242,13 +2259,16 @@ PP(pp_accept) if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd); goto badexit; } +#if defined(HAS_FCNTL) && defined(F_SETFD) + fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */ +#endif PUSHp((char *)&saddr, len); RETURN; nuts: if (ckWARN(WARN_CLOSED)) - Perl_warner(aTHX_ WARN_CLOSED, "accept() on closed socket"); + report_closed_fh(ggv, ggv ? GvIO(ggv) : 0, "accept", "socket"); SETERRNO(EBADF,SS$_IVCHAN); badexit: @@ -2275,7 +2295,7 @@ PP(pp_shutdown) nuts: if (ckWARN(WARN_CLOSED)) - Perl_warner(aTHX_ WARN_CLOSED, "shutdown() on closed socket"); + report_closed_fh(gv, io, "shutdown", "socket"); SETERRNO(EBADF,SS$_IVCHAN); RETPUSHUNDEF; #else @@ -2354,8 +2374,9 @@ PP(pp_ssockopt) nuts: if (ckWARN(WARN_CLOSED)) - Perl_warner(aTHX_ WARN_CLOSED, "%cetsockopt() on closed socket", - optype == OP_GSOCKOPT ? 'g' : 's'); + report_closed_fh(gv, io, + optype == OP_GSOCKOPT ? "getsockopt" : "setsockopt", + "socket"); SETERRNO(EBADF,SS$_IVCHAN); nuts2: RETPUSHUNDEF; @@ -2428,8 +2449,10 @@ PP(pp_getpeername) nuts: if (ckWARN(WARN_CLOSED)) - Perl_warner(aTHX_ WARN_CLOSED, "get%sname() on closed socket", - optype == OP_GETSOCKNAME ? "sock" : "peer"); + report_closed_fh(gv, io, + optype == OP_GETSOCKNAME ? "getsockname" + : "getpeername", + "socket"); SETERRNO(EBADF,SS$_IVCHAN); nuts2: RETPUSHUNDEF; @@ -3064,9 +3087,26 @@ PP(pp_fttext) #else else if (*s & 128) { #ifdef USE_LOCALE - if (!(PL_op->op_private & OPpLOCALE) || !isALPHA_LC(*s)) -#endif - odd++; + if ((PL_op->op_private & OPpLOCALE) && isALPHA_LC(*s)) + continue; +#endif + /* utf8 characters don't count as odd */ + if (*s & 0x40) { + int ulen = UTF8SKIP(s); + if (ulen < len - i) { + int j; + for (j = 1; j < ulen; j++) { + if ((s[j] & 0xc0) != 0x80) + goto not_utf8; + } + --ulen; /* loop does extra increment */ + s += ulen; + i += ulen; + continue; + } + } + not_utf8: + odd++; } else if (*s < 32 && *s != '\n' && *s != '\r' && *s != '\b' && @@ -3357,12 +3397,19 @@ S_dooneliner(pTHX_ char *cmd, char *filename) PP(pp_mkdir) { djSP; dTARGET; - int mode = POPi; + int mode; #ifndef HAS_MKDIR int oldumask; #endif STRLEN n_a; - char *tmps = SvPV(TOPs, n_a); + char *tmps; + + if (MAXARG > 1) + mode = POPi; + else + mode = 0777; + + tmps = SvPV(TOPs, n_a); TAINT_PROPER("mkdir"); #ifdef HAS_MKDIR @@ -3438,14 +3485,15 @@ PP(pp_readdir) if (GIMME == G_ARRAY) { /*SUPPRESS 560*/ - while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) { + while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) { #ifdef DIRNAMLEN sv = newSVpvn(dp->d_name, dp->d_namlen); #else sv = newSVpv(dp->d_name, 0); #endif #ifndef INCOMPLETE_TAINTS - SvTAINTED_on(sv); + if (!(IoFLAGS(io) & IOf_UNTAINT)) + SvTAINTED_on(sv); #endif XPUSHs(sv_2mortal(sv)); } @@ -3459,7 +3507,8 @@ PP(pp_readdir) sv = newSVpv(dp->d_name, 0); #endif #ifndef INCOMPLETE_TAINTS - SvTAINTED_on(sv); + if (!(IoFLAGS(io) & IOf_UNTAINT)) + SvTAINTED_on(sv); #endif XPUSHs(sv_2mortal(sv)); } @@ -3595,7 +3644,7 @@ PP(pp_fork) RETSETUNDEF; if (!childpid) { /*SUPPRESS 560*/ - if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV)) + if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV))) sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid()); hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */ } @@ -4012,7 +4061,6 @@ PP(pp_gmtime) EXTEND(SP, 9); EXTEND_MORTAL(9); if (GIMME != G_ARRAY) { - dTARGET; SV *tsv; if (!tmbuf) RETPUSHUNDEF; @@ -4697,7 +4745,7 @@ PP(pp_gpwuid) PP(pp_gpwent) { djSP; -#if defined(HAS_PASSWD) && defined(HAS_GETPWENT) +#ifdef HAS_PASSWD I32 which = PL_op->op_type; register SV *sv; struct passwd *pwent; @@ -4711,7 +4759,11 @@ PP(pp_gpwent) else if (which == OP_GPWUID) pwent = getpwuid(POPi); else +#ifdef HAS_GETPWENT pwent = (struct passwd *)getpwent(); +#else + DIE(aTHX_ PL_no_func, "getpwent"); +#endif #ifdef HAS_GETSPNAM if (which == OP_GPWNAM) { @@ -4863,7 +4915,7 @@ PP(pp_ggrgid) PP(pp_ggrent) { djSP; -#if defined(HAS_GROUP) && defined(HAS_GETGRENT) +#ifdef HAS_GROUP I32 which = PL_op->op_type; register char **elem; register SV *sv; @@ -4875,7 +4927,11 @@ PP(pp_ggrent) else if (which == OP_GGRGID) grent = (struct group *)getgrgid(POPi); else +#ifdef HAS_GETGRENT grent = (struct group *)getgrent(); +#else + DIE(aTHX_ PL_no_func, "getgrent"); +#endif EXTEND(SP, 4); if (GIMME != G_ARRAY) { @@ -4962,7 +5018,6 @@ PP(pp_syscall) unsigned long a[20]; register I32 i = 0; I32 retval = -1; - MAGIC *mg; STRLEN n_a; if (PL_tainting) {