/* pp_sys.c * * Copyright (c) 1991-1994, 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. * */ /* * But only a short way ahead its floor and the walls on either side were * 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. */ #include "EXTERN.h" #include "perl.h" /* XXX Omit this -- it causes too much grief on mixed systems. Next time, I should force broken systems to unset i_unistd in hint files. */ #if 0 # ifdef I_UNISTD # include # endif #endif /* Put this after #includes because fork and vfork prototypes may conflict. */ #ifndef HAS_VFORK # define vfork fork #endif #if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */ # include # include # ifndef ENOTSOCK # ifdef I_NET_ERRNO # include # endif # endif #endif #ifdef HAS_SELECT #ifdef I_SYS_SELECT #ifndef I_SYS_TIME #include #endif #endif #endif #ifdef HOST_NOT_FOUND extern int h_errno; #endif #ifdef HAS_PASSWD # ifdef I_PWD # include # else struct passwd *getpwnam _((char *)); struct passwd *getpwuid _((Uid_t)); # endif struct passwd *getpwent _((void)); #endif #ifdef HAS_GROUP # ifdef I_GRP # include # else struct group *getgrnam _((char *)); struct group *getgrgid _((Gid_t)); # endif struct group *getgrent _((void)); #endif #ifdef I_UTIME #include #endif #ifdef I_FCNTL #include #endif #ifdef I_SYS_FILE #include #endif #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR) static int dooneliner _((char *cmd, char *filename)); #endif /* Pushy I/O. */ PP(pp_backtick) { dSP; dTARGET; FILE *fp; char *tmps = POPp; TAINT_PROPER("``"); fp = my_popen(tmps, "r"); if (fp) { sv_setpv(TARG, ""); /* note that this preserves previous buffer */ if (GIMME == G_SCALAR) { while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch) /*SUPPRESS 530*/ ; XPUSHs(TARG); } else { SV *sv; for (;;) { sv = NEWSV(56, 80); if (sv_gets(sv, fp, 0) == Nullch) { SvREFCNT_dec(sv); break; } XPUSHs(sv_2mortal(sv)); if (SvLEN(sv) - SvCUR(sv) > 20) { SvLEN_set(sv, SvCUR(sv)+1); Renew(SvPVX(sv), SvLEN(sv), char); } } } statusvalue = FIXSTATUS(my_pclose(fp)); } else { statusvalue = -1; if (GIMME == G_SCALAR) RETPUSHUNDEF; } RETURN; } PP(pp_glob) { OP *result; ENTER; SAVESPTR(last_in_gv); /* We don't want this to be permanent. */ last_in_gv = (GV*)*stack_sp--; SAVESPTR(rs); /* This is not permanent, either. */ rs = sv_2mortal(newSVpv("", 1)); #ifndef DOSISH #ifndef CSH *SvPVX(rs) = '\n'; #endif /* !CSH */ #endif /* !MSDOS */ result = do_readline(); LEAVE; return result; } PP(pp_indread) { last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*stack_sp--)), na), TRUE,SVt_PVIO); return do_readline(); } PP(pp_rcatline) { last_in_gv = cGVOP->op_gv; return do_readline(); } PP(pp_warn) { dSP; dMARK; char *tmps; if (SP - MARK != 1) { dTARGET; do_join(TARG, &sv_no, MARK, SP); tmps = SvPV(TARG, na); SP = MARK + 1; } else { tmps = SvPV(TOPs, na); } if (!tmps || !*tmps) { SV *error = GvSV(errgv); (void)SvUPGRADE(error, SVt_PV); if (SvPOK(error) && SvCUR(error)) sv_catpv(error, "\t...caught"); tmps = SvPV(error, na); } if (!tmps || !*tmps) tmps = "Warning: something's wrong"; warn("%s", tmps); RETSETYES; } PP(pp_die) { dSP; dMARK; char *tmps; if (SP - MARK != 1) { dTARGET; do_join(TARG, &sv_no, MARK, SP); tmps = SvPV(TARG, na); SP = MARK + 1; } else { tmps = SvPV(TOPs, na); } if (!tmps || !*tmps) { SV *error = GvSV(errgv); (void)SvUPGRADE(error, SVt_PV); if (SvPOK(error) && SvCUR(error)) sv_catpv(error, "\t...propagated"); tmps = SvPV(error, na); } if (!tmps || !*tmps) tmps = "Died"; DIE("%s", tmps); } /* I/O. */ PP(pp_open) { dSP; dTARGET; GV *gv; SV *sv; char *tmps; STRLEN len; if (MAXARG > 1) sv = POPs; else if (SvTYPE(TOPs) == SVt_PVGV) sv = GvSV(TOPs); else DIE(no_usym, "filehandle"); gv = (GV*)POPs; tmps = SvPV(sv, len); if (do_open(gv, tmps, len, FALSE, 0, 0, Nullfp)) { IoLINES(GvIOp(gv)) = 0; PUSHi( (I32)forkprocess ); } else if (forkprocess == 0) /* we are a new child */ PUSHi(0); else RETPUSHUNDEF; RETURN; } PP(pp_close) { dSP; GV *gv; if (MAXARG == 0) gv = defoutgv; else gv = (GV*)POPs; EXTEND(SP, 1); PUSHs( do_close(gv, TRUE) ? &sv_yes : &sv_no ); RETURN; } PP(pp_pipe_op) { dSP; #ifdef HAS_PIPE GV *rgv; GV *wgv; register IO *rstio; register IO *wstio; int fd[2]; wgv = (GV*)POPs; rgv = (GV*)POPs; if (!rgv || !wgv) goto badexit; if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV) DIE(no_usym, "filehandle"); rstio = GvIOn(rgv); wstio = GvIOn(wgv); if (IoIFP(rstio)) do_close(rgv, FALSE); if (IoIFP(wstio)) do_close(wgv, FALSE); if (pipe(fd) < 0) goto badexit; IoIFP(rstio) = fdopen(fd[0], "r"); IoOFP(wstio) = fdopen(fd[1], "w"); IoIFP(wstio) = IoOFP(wstio); IoTYPE(rstio) = '<'; IoTYPE(wstio) = '>'; if (!IoIFP(rstio) || !IoOFP(wstio)) { if (IoIFP(rstio)) fclose(IoIFP(rstio)); else close(fd[0]); if (IoOFP(wstio)) fclose(IoOFP(wstio)); else close(fd[1]); goto badexit; } RETPUSHYES; badexit: RETPUSHUNDEF; #else DIE(no_func, "pipe"); #endif } PP(pp_fileno) { dSP; dTARGET; GV *gv; IO *io; FILE *fp; if (MAXARG < 1) RETPUSHUNDEF; gv = (GV*)POPs; if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io))) RETPUSHUNDEF; PUSHi(fileno(fp)); RETURN; } PP(pp_umask) { dSP; dTARGET; int anum; #ifdef HAS_UMASK if (MAXARG < 1) { anum = umask(0); (void)umask(anum); } else anum = umask(POPi); TAINT_PROPER("umask"); XPUSHi(anum); #else DIE(no_func, "Unsupported function umask"); #endif RETURN; } PP(pp_binmode) { dSP; GV *gv; IO *io; FILE *fp; if (MAXARG < 1) RETPUSHUNDEF; gv = (GV*)POPs; EXTEND(SP, 1); if (!(io = GvIO(gv)) || !(fp = IoIFP(io))) RETSETUNDEF; #ifdef DOSISH #ifdef atarist if (!Fflush(fp) && (fp->_flag |= _IOBIN)) RETPUSHYES; else RETPUSHUNDEF; #else if (setmode(fileno(fp), OP_BINARY) != -1) RETPUSHYES; else RETPUSHUNDEF; #endif #else RETPUSHYES; #endif } PP(pp_tie) { dSP; SV *varsv; HV* stash; GV *gv; BINOP myop; SV *sv; SV **mark = stack_base + ++*markstack_ptr; /* reuse in entersub */ I32 markoff = mark - stack_base - 1; char *methname; varsv = mark[0]; if (SvTYPE(varsv) == SVt_PVHV) methname = "TIEHASH"; else if (SvTYPE(varsv) == SVt_PVAV) methname = "TIEARRAY"; else if (SvTYPE(varsv) == SVt_PVGV) methname = "TIEHANDLE"; else methname = "TIESCALAR"; stash = gv_stashsv(mark[1], FALSE); if (!stash || !(gv = gv_fetchmethod(stash, methname)) || !GvCV(gv)) DIE("Can't locate object method \"%s\" via package \"%s\"", methname, SvPV(mark[1],na)); Zero(&myop, 1, BINOP); myop.op_last = (OP *) &myop; myop.op_next = Nullop; myop.op_flags = OPf_KNOW|OPf_STACKED; ENTER; SAVESPTR(op); op = (OP *) &myop; XPUSHs(gv); PUTBACK; if (op = pp_entersub()) runops(); SPAGAIN; sv = TOPs; if (sv_isobject(sv)) { if (SvTYPE(varsv) == SVt_PVHV || SvTYPE(varsv) == SVt_PVAV) { sv_unmagic(varsv, 'P'); sv_magic(varsv, sv, 'P', Nullch, 0); } else { sv_unmagic(varsv, 'q'); sv_magic(varsv, sv, 'q', Nullch, 0); } } LEAVE; SP = stack_base + markoff; PUSHs(sv); RETURN; } PP(pp_untie) { dSP; if (SvTYPE(TOPs) == SVt_PVHV || SvTYPE(TOPs) == SVt_PVAV) sv_unmagic(TOPs, 'P'); else sv_unmagic(TOPs, 'q'); RETSETYES; } PP(pp_tied) { dSP; SV * sv ; MAGIC * mg ; sv = POPs; if (SvMAGICAL(sv)) { if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) mg = mg_find(sv, 'P') ; else mg = mg_find(sv, 'q') ; if (mg) { PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ; RETURN ; } } RETPUSHUNDEF; } PP(pp_dbmopen) { dSP; HV *hv; dPOPPOPssrl; HV* stash; GV *gv; BINOP myop; SV *sv; hv = (HV*)POPs; sv = sv_mortalcopy(&sv_no); sv_setpv(sv, "AnyDBM_File"); stash = gv_stashsv(sv, FALSE); if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH")) || !GvCV(gv)) { PUTBACK; perl_require_pv("AnyDBM_File.pm"); SPAGAIN; if (!(gv = gv_fetchmethod(stash, "TIEHASH")) || !GvCV(gv)) DIE("No dbm on this machine"); } Zero(&myop, 1, BINOP); myop.op_last = (OP *) &myop; myop.op_next = Nullop; myop.op_flags = OPf_KNOW|OPf_STACKED; ENTER; SAVESPTR(op); op = (OP *) &myop; PUTBACK; pp_pushmark(); EXTEND(sp, 5); PUSHs(sv); PUSHs(left); if (SvIV(right)) PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT))); else PUSHs(sv_2mortal(newSViv(O_RDWR))); PUSHs(right); PUSHs(gv); PUTBACK; if (op = pp_entersub()) runops(); SPAGAIN; if (!sv_isobject(TOPs)) { sp--; op = (OP *) &myop; PUTBACK; pp_pushmark(); PUSHs(sv); PUSHs(left); PUSHs(sv_2mortal(newSViv(O_RDONLY))); PUSHs(right); PUSHs(gv); PUTBACK; if (op = pp_entersub()) runops(); SPAGAIN; } if (sv_isobject(TOPs)) sv_magic((SV*)hv, TOPs, 'P', Nullch, 0); LEAVE; RETURN; } PP(pp_dbmclose) { return pp_untie(ARGS); } PP(pp_sselect) { dSP; dTARGET; #ifdef HAS_SELECT register I32 i; register I32 j; register char *s; register SV *sv; double value; I32 maxlen = 0; I32 nfound; struct timeval timebuf; struct timeval *tbuf = &timebuf; I32 growsize; char *fd_sets[4]; #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 I32 masksize; I32 offset; I32 k; # if BYTEORDER & 0xf0000 # define ORDERBYTE (0x88888888 - BYTEORDER) # else # define ORDERBYTE (0x4444 - BYTEORDER) # endif #endif SP -= 4; for (i = 1; i <= 3; i++) { if (!SvPOK(SP[i])) continue; j = SvCUR(SP[i]); if (maxlen < j) maxlen = j; } #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 #ifdef __linux__ growsize = sizeof(fd_set); #else growsize = maxlen; /* little endians can use vecs directly */ #endif #else #ifdef NFDBITS #ifndef NBBY #define NBBY 8 #endif masksize = NFDBITS / NBBY; #else masksize = sizeof(long); /* documented int, everyone seems to use long */ #endif growsize = maxlen + (masksize - (maxlen % masksize)); Zero(&fd_sets[0], 4, char*); #endif sv = SP[4]; if (SvOK(sv)) { value = SvNV(sv); if (value < 0.0) value = 0.0; timebuf.tv_sec = (long)value; value -= (double)timebuf.tv_sec; timebuf.tv_usec = (long)(value * 1000000.0); } else tbuf = Null(struct timeval*); for (i = 1; i <= 3; i++) { sv = SP[i]; if (!SvOK(sv)) { fd_sets[i] = 0; continue; } else if (!SvPOK(sv)) SvPV_force(sv,na); /* force string conversion */ j = SvLEN(sv); if (j < growsize) { Sv_Grow(sv, growsize); } j = SvCUR(sv); s = SvPVX(sv) + j; while (++j <= growsize) { *s++ = '\0'; } #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 s = SvPVX(sv); New(403, fd_sets[i], growsize, char); for (offset = 0; offset < growsize; offset += masksize) { for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4)) fd_sets[i][j+offset] = s[(k % masksize) + offset]; } #else fd_sets[i] = SvPVX(sv); #endif } nfound = select( maxlen * 8, (Select_fd_set_t) fd_sets[1], (Select_fd_set_t) fd_sets[2], (Select_fd_set_t) fd_sets[3], tbuf); for (i = 1; i <= 3; i++) { if (fd_sets[i]) { sv = SP[i]; #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 s = SvPVX(sv); for (offset = 0; offset < growsize; offset += masksize) { for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4)) s[(k % masksize) + offset] = fd_sets[i][j+offset]; } Safefree(fd_sets[i]); #endif SvSETMAGIC(sv); } } PUSHi(nfound); if (GIMME == G_ARRAY && tbuf) { value = (double)(timebuf.tv_sec) + (double)(timebuf.tv_usec) / 1000000.0; PUSHs(sv = sv_mortalcopy(&sv_no)); sv_setnv(sv, value); } RETURN; #else DIE("select not implemented"); #endif } void setdefout(gv) GV *gv; { if (gv) (void)SvREFCNT_inc(gv); if (defoutgv) SvREFCNT_dec(defoutgv); defoutgv = gv; } PP(pp_select) { dSP; dTARGET; GV *newdefout, *egv; HV *hv; newdefout = (op->op_private > 0) ? ((GV *) POPs) : NULL; egv = GvEGV(defoutgv); if (!egv) egv = defoutgv; hv = GvSTASH(egv); if (! hv) XPUSHs(&sv_undef); else { GV **gvp = hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE); if (gvp && *gvp == egv) gv_efullname(TARG, defoutgv); else sv_setsv(TARG, sv_2mortal(newRV(egv))); XPUSHTARG; } if (newdefout) { if (!GvIO(newdefout)) gv_IOadd(newdefout); setdefout(newdefout); } RETURN; } PP(pp_getc) { dSP; dTARGET; GV *gv; if (MAXARG <= 0) gv = stdingv; else gv = (GV*)POPs; if (!gv) gv = argvgv; if (!gv || do_eof(gv)) /* make sure we have fp with something */ RETPUSHUNDEF; TAINT_IF(1); sv_setpv(TARG, " "); *SvPVX(TARG) = getc(IoIFP(GvIOp(gv))); /* should never be EOF */ PUSHTARG; RETURN; } PP(pp_read) { return pp_sysread(ARGS); } static OP * doform(cv,gv,retop) CV *cv; GV *gv; OP *retop; { register CONTEXT *cx; I32 gimme = GIMME; AV* padlist = CvPADLIST(cv); SV** svp = AvARRAY(padlist); ENTER; SAVETMPS; push_return(retop); PUSHBLOCK(cx, CXt_SUB, stack_sp); PUSHFORMAT(cx); SAVESPTR(curpad); curpad = AvARRAY((AV*)svp[1]); setdefout(gv); /* locally select filehandle so $% et al work */ return CvSTART(cv); } PP(pp_enterwrite) { dSP; register GV *gv; register IO *io; GV *fgv; CV *cv; if (MAXARG == 0) gv = defoutgv; else { gv = (GV*)POPs; if (!gv) gv = defoutgv; } EXTEND(SP, 1); io = GvIO(gv); if (!io) { RETPUSHNO; } if (IoFMT_GV(io)) fgv = IoFMT_GV(io); else fgv = gv; cv = GvFORM(fgv); if (!cv) { if (fgv) { SV *tmpsv = sv_newmortal(); gv_efullname(tmpsv, gv); DIE("Undefined format \"%s\" called",SvPVX(tmpsv)); } DIE("Not a format reference"); } IoFLAGS(io) &= ~IOf_DIDTOP; return doform(cv,gv,op->op_next); } PP(pp_leavewrite) { dSP; GV *gv = cxstack[cxstack_ix].blk_sub.gv; register IO *io = GvIOp(gv); FILE *ofp = IoOFP(io); FILE *fp; SV **newsp; I32 gimme; register CONTEXT *cx; DEBUG_f(fprintf(stderr,"left=%ld, todo=%ld\n", (long)IoLINES_LEFT(io), (long)FmLINES(formtarget))); if (IoLINES_LEFT(io) < FmLINES(formtarget) && formtarget != toptarget) { GV *fgv; CV *cv; if (!IoTOP_GV(io)) { GV *topgv; char tmpbuf[256]; if (!IoTOP_NAME(io)) { if (!IoFMT_NAME(io)) IoFMT_NAME(io) = savepv(GvNAME(gv)); sprintf(tmpbuf, "%s_TOP", IoFMT_NAME(io)); topgv = gv_fetchpv(tmpbuf,FALSE, SVt_PVFM); if ((topgv && GvFORM(topgv)) || !gv_fetchpv("top",FALSE,SVt_PVFM)) IoTOP_NAME(io) = savepv(tmpbuf); else IoTOP_NAME(io) = savepv("top"); } topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM); if (!topgv || !GvFORM(topgv)) { IoLINES_LEFT(io) = 100000000; goto forget_top; } IoTOP_GV(io) = topgv; } if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */ I32 lines = IoLINES_LEFT(io); char *s = SvPVX(formtarget); if (lines <= 0) /* Yow, header didn't even fit!!! */ goto forget_top; while (lines-- > 0) { s = strchr(s, '\n'); if (!s) break; s++; } if (s) { fwrite1(SvPVX(formtarget), s - SvPVX(formtarget), 1, ofp); sv_chop(formtarget, s); FmLINES(formtarget) -= IoLINES_LEFT(io); } } if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0) fwrite1(SvPVX(formfeed), SvCUR(formfeed), 1, ofp); IoLINES_LEFT(io) = IoPAGE_LEN(io); IoPAGE(io)++; formtarget = toptarget; IoFLAGS(io) |= IOf_DIDTOP; fgv = IoTOP_GV(io); if (!fgv) DIE("bad top format reference"); cv = GvFORM(fgv); if (!cv) { SV *tmpsv = sv_newmortal(); gv_efullname(tmpsv, fgv); DIE("Undefined top format \"%s\" called",SvPVX(tmpsv)); } return doform(cv,gv,op); } forget_top: POPBLOCK(cx,curpm); POPFORMAT(cx); LEAVE; fp = IoOFP(io); if (!fp) { if (dowarn) { if (IoIFP(io)) warn("Filehandle only opened for input"); else warn("Write on closed filehandle"); } PUSHs(&sv_no); } else { if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) { if (dowarn) warn("page overflow"); } if (!fwrite1(SvPVX(formtarget), 1, SvCUR(formtarget), ofp) || ferror(fp)) PUSHs(&sv_no); else { FmLINES(formtarget) = 0; SvCUR_set(formtarget, 0); *SvEND(formtarget) = '\0'; if (IoFLAGS(io) & IOf_FLUSH) (void)Fflush(fp); PUSHs(&sv_yes); } } formtarget = bodytarget; PUTBACK; return pop_return(); } PP(pp_prtf) { dSP; dMARK; dORIGMARK; GV *gv; IO *io; FILE *fp; SV *sv = NEWSV(0,0); if (op->op_flags & OPf_STACKED) gv = (GV*)*++MARK; else gv = defoutgv; if (!(io = GvIO(gv))) { if (dowarn) { gv_fullname(sv,gv); warn("Filehandle %s never opened", SvPV(sv,na)); } SETERRNO(EBADF,RMS$_IFI); goto just_say_no; } else if (!(fp = IoOFP(io))) { if (dowarn) { gv_fullname(sv,gv); if (IoIFP(io)) warn("Filehandle %s opened only for input", SvPV(sv,na)); else warn("printf on closed filehandle %s", SvPV(sv,na)); } SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI); goto just_say_no; } else { do_sprintf(sv, SP - MARK, MARK + 1); if (!do_print(sv, fp)) goto just_say_no; if (IoFLAGS(io) & IOf_FLUSH) if (Fflush(fp) == EOF) goto just_say_no; } SvREFCNT_dec(sv); SP = ORIGMARK; PUSHs(&sv_yes); RETURN; just_say_no: SvREFCNT_dec(sv); SP = ORIGMARK; PUSHs(&sv_undef); RETURN; } PP(pp_sysopen) { dSP; GV *gv; SV *sv; char *tmps; STRLEN len; int mode, perm; if (MAXARG > 3) perm = POPi; else perm = 0666; mode = POPi; sv = POPs; gv = (GV *)POPs; tmps = SvPV(sv, len); if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) { IoLINES(GvIOp(gv)) = 0; PUSHs(&sv_yes); } else { PUSHs(&sv_undef); } RETURN; } PP(pp_sysread) { dSP; dMARK; dORIGMARK; dTARGET; int offset; GV *gv; IO *io; char *buffer; int length; int bufsize; SV *bufsv; STRLEN blen; gv = (GV*)*++MARK; if (!gv) goto say_undef; bufsv = *++MARK; buffer = SvPV_force(bufsv, blen); length = SvIVx(*++MARK); if (length < 0) DIE("Negative length"); SETERRNO(0,0); if (MARK < SP) offset = SvIVx(*++MARK); else offset = 0; io = GvIO(gv); if (!io || !IoIFP(io)) goto say_undef; #ifdef HAS_SOCKET if (op->op_type == OP_RECV) { bufsize = sizeof buf; buffer = SvGROW(bufsv, length+1); length = recvfrom(fileno(IoIFP(io)), buffer, length, offset, (struct sockaddr *)buf, &bufsize); if (length < 0) RETPUSHUNDEF; SvCUR_set(bufsv, length); *SvEND(bufsv) = '\0'; (void)SvPOK_only(bufsv); SvSETMAGIC(bufsv); if (tainting) sv_magic(bufsv, Nullsv, 't', Nullch, 0); SP = ORIGMARK; sv_setpvn(TARG, buf, bufsize); PUSHs(TARG); RETURN; } #else if (op->op_type == OP_RECV) DIE(no_sock_func, "recv"); #endif buffer = SvGROW(bufsv, length+offset+1); if (op->op_type == OP_SYSREAD) { length = read(fileno(IoIFP(io)), buffer+offset, length); } else #ifdef HAS_SOCKET__bad_code_maybe if (IoTYPE(io) == 's') { bufsize = sizeof buf; length = recvfrom(fileno(IoIFP(io)), buffer+offset, length, 0, (struct sockaddr *)buf, &bufsize); } else #endif length = fread(buffer+offset, 1, length, IoIFP(io)); if (length < 0) goto say_undef; SvCUR_set(bufsv, length+offset); *SvEND(bufsv) = '\0'; (void)SvPOK_only(bufsv); SvSETMAGIC(bufsv); if (tainting) sv_magic(bufsv, Nullsv, 't', Nullch, 0); SP = ORIGMARK; PUSHi(length); RETURN; say_undef: SP = ORIGMARK; RETPUSHUNDEF; } PP(pp_syswrite) { return pp_send(ARGS); } PP(pp_send) { dSP; dMARK; dORIGMARK; dTARGET; GV *gv; IO *io; int offset; SV *bufsv; char *buffer; int length; STRLEN blen; gv = (GV*)*++MARK; if (!gv) goto say_undef; bufsv = *++MARK; buffer = SvPV(bufsv, blen); length = SvIVx(*++MARK); if (length < 0) DIE("Negative length"); SETERRNO(0,0); io = GvIO(gv); if (!io || !IoIFP(io)) { length = -1; if (dowarn) { if (op->op_type == OP_SYSWRITE) warn("Syswrite on closed filehandle"); else warn("Send on closed socket"); } } else if (op->op_type == OP_SYSWRITE) { if (MARK < SP) offset = SvIVx(*++MARK); else offset = 0; if (length > blen - offset) length = blen - offset; length = write(fileno(IoIFP(io)), buffer+offset, length); } #ifdef HAS_SOCKET else if (SP > MARK) { char *sockbuf; STRLEN mlen; sockbuf = SvPVx(*++MARK, mlen); length = sendto(fileno(IoIFP(io)), buffer, blen, length, (struct sockaddr *)sockbuf, mlen); } else length = send(fileno(IoIFP(io)), buffer, blen, length); #else else DIE(no_sock_func, "send"); #endif if (length < 0) goto say_undef; SP = ORIGMARK; PUSHi(length); RETURN; say_undef: SP = ORIGMARK; RETPUSHUNDEF; } PP(pp_recv) { return pp_sysread(ARGS); } PP(pp_eof) { dSP; GV *gv; if (MAXARG <= 0) gv = last_in_gv; else gv = last_in_gv = (GV*)POPs; PUSHs(!gv || do_eof(gv) ? &sv_yes : &sv_no); RETURN; } PP(pp_tell) { dSP; dTARGET; GV *gv; if (MAXARG <= 0) gv = last_in_gv; else gv = last_in_gv = (GV*)POPs; PUSHi( do_tell(gv) ); RETURN; } PP(pp_seek) { dSP; GV *gv; int whence = POPi; long offset = POPl; gv = last_in_gv = (GV*)POPs; PUSHs( do_seek(gv, offset, whence) ? &sv_yes : &sv_no ); RETURN; } PP(pp_truncate) { dSP; Off_t len = (Off_t)POPn; int result = 1; GV *tmpgv; SETERRNO(0,0); #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP) #ifdef HAS_TRUNCATE if (op->op_flags & OPf_SPECIAL) { tmpgv = gv_fetchpv(POPp,FALSE, SVt_PVIO); if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) || ftruncate(fileno(IoIFP(GvIOn(tmpgv))), len) < 0) result = 0; } else if (truncate(POPp, len) < 0) result = 0; #else if (op->op_flags & OPf_SPECIAL) { tmpgv = gv_fetchpv(POPp,FALSE, SVt_PVIO); if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) || chsize(fileno(IoIFP(GvIOn(tmpgv))), len) < 0) result = 0; } else { int tmpfd; if ((tmpfd = open(POPp, 0)) < 0) result = 0; else { if (chsize(tmpfd, len) < 0) result = 0; close(tmpfd); } } #endif if (result) RETPUSHYES; if (!errno) SETERRNO(EBADF,RMS$_IFI); RETPUSHUNDEF; #else DIE("truncate not implemented"); #endif } PP(pp_fcntl) { return pp_ioctl(ARGS); } PP(pp_ioctl) { dSP; dTARGET; SV *argsv = POPs; unsigned int func = U_I(POPn); int optype = op->op_type; char *s; int retval; GV *gv = (GV*)POPs; IO *io = GvIOn(gv); if (!io || !argsv || !IoIFP(io)) { SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */ RETPUSHUNDEF; } if (SvPOK(argsv) || !SvNIOK(argsv)) { STRLEN len; s = SvPV_force(argsv, len); retval = IOCPARM_LEN(func); if (len < retval) { s = Sv_Grow(argsv, retval+1); SvCUR_set(argsv, retval); } s[SvCUR(argsv)] = 17; /* a little sanity check here */ } else { retval = SvIV(argsv); #ifdef DOSISH s = (char*)(long)retval; /* ouch */ #else s = (char*)retval; /* ouch */ #endif } TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl"); if (optype == OP_IOCTL) #ifdef HAS_IOCTL retval = ioctl(fileno(IoIFP(io)), func, s); #else DIE("ioctl is not implemented"); #endif else #if defined(DOSISH) && !defined(OS2) DIE("fcntl is not implemented"); #else # ifdef HAS_FCNTL # if defined(OS2) && defined(__EMX__) retval = fcntl(fileno(IoIFP(io)), func, (int)s); # else retval = fcntl(fileno(IoIFP(io)), func, s); # endif # else DIE("fcntl is not implemented"); # endif #endif if (SvPOK(argsv)) { if (s[SvCUR(argsv)] != 17) DIE("Possible memory corruption: %s overflowed 3rd argument", op_name[optype]); s[SvCUR(argsv)] = 0; /* put our null back */ SvSETMAGIC(argsv); /* Assume it has changed */ } if (retval == -1) RETPUSHUNDEF; if (retval != 0) { PUSHi(retval); } else { PUSHp("0 but true", 10); } RETURN; } PP(pp_flock) { dSP; dTARGET; I32 value; int argtype; GV *gv; FILE *fp; #if !defined(HAS_FLOCK) && defined(HAS_LOCKF) # define flock lockf_emulate_flock #endif #if defined(HAS_FLOCK) || defined(flock) argtype = POPi; if (MAXARG <= 0) gv = last_in_gv; else gv = (GV*)POPs; if (gv && GvIO(gv)) fp = IoIFP(GvIOp(gv)); else fp = Nullfp; if (fp) { value = (I32)(flock(fileno(fp), argtype) >= 0); } else value = 0; PUSHi(value); RETURN; #else DIE(no_func, "flock()"); #endif } /* Sockets. */ PP(pp_socket) { dSP; #ifdef HAS_SOCKET GV *gv; register IO *io; int protocol = POPi; int type = POPi; int domain = POPi; int fd; gv = (GV*)POPs; if (!gv) { SETERRNO(EBADF,LIB$_INVARG); RETPUSHUNDEF; } io = GvIOn(gv); if (IoIFP(io)) do_close(gv, FALSE); TAINT_PROPER("socket"); fd = socket(domain, type, protocol); if (fd < 0) RETPUSHUNDEF; IoIFP(io) = fdopen(fd, "r"); /* stdio gets confused about sockets */ IoOFP(io) = fdopen(fd, "w"); IoTYPE(io) = 's'; if (!IoIFP(io) || !IoOFP(io)) { if (IoIFP(io)) fclose(IoIFP(io)); if (IoOFP(io)) fclose(IoOFP(io)); if (!IoIFP(io) && !IoOFP(io)) close(fd); RETPUSHUNDEF; } RETPUSHYES; #else DIE(no_sock_func, "socket"); #endif } PP(pp_sockpair) { dSP; #ifdef HAS_SOCKETPAIR GV *gv1; GV *gv2; register IO *io1; register IO *io2; int protocol = POPi; int type = POPi; int domain = POPi; int fd[2]; gv2 = (GV*)POPs; gv1 = (GV*)POPs; if (!gv1 || !gv2) RETPUSHUNDEF; io1 = GvIOn(gv1); io2 = GvIOn(gv2); if (IoIFP(io1)) do_close(gv1, FALSE); if (IoIFP(io2)) do_close(gv2, FALSE); TAINT_PROPER("socketpair"); if (socketpair(domain, type, protocol, fd) < 0) RETPUSHUNDEF; IoIFP(io1) = fdopen(fd[0], "r"); IoOFP(io1) = fdopen(fd[0], "w"); IoTYPE(io1) = 's'; IoIFP(io2) = fdopen(fd[1], "r"); IoOFP(io2) = fdopen(fd[1], "w"); IoTYPE(io2) = 's'; if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) { if (IoIFP(io1)) fclose(IoIFP(io1)); if (IoOFP(io1)) fclose(IoOFP(io1)); if (!IoIFP(io1) && !IoOFP(io1)) close(fd[0]); if (IoIFP(io2)) fclose(IoIFP(io2)); if (IoOFP(io2)) fclose(IoOFP(io2)); if (!IoIFP(io2) && !IoOFP(io2)) close(fd[1]); RETPUSHUNDEF; } RETPUSHYES; #else DIE(no_sock_func, "socketpair"); #endif } PP(pp_bind) { dSP; #ifdef HAS_SOCKET SV *addrsv = POPs; char *addr; GV *gv = (GV*)POPs; register IO *io = GvIOn(gv); STRLEN len; if (!io || !IoIFP(io)) goto nuts; addr = SvPV(addrsv, len); TAINT_PROPER("bind"); if (bind(fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0) RETPUSHYES; else RETPUSHUNDEF; nuts: if (dowarn) warn("bind() on closed fd"); SETERRNO(EBADF,SS$_IVCHAN); RETPUSHUNDEF; #else DIE(no_sock_func, "bind"); #endif } PP(pp_connect) { dSP; #ifdef HAS_SOCKET SV *addrsv = POPs; char *addr; GV *gv = (GV*)POPs; register IO *io = GvIOn(gv); STRLEN len; if (!io || !IoIFP(io)) goto nuts; addr = SvPV(addrsv, len); TAINT_PROPER("connect"); if (connect(fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0) RETPUSHYES; else RETPUSHUNDEF; nuts: if (dowarn) warn("connect() on closed fd"); SETERRNO(EBADF,SS$_IVCHAN); RETPUSHUNDEF; #else DIE(no_sock_func, "connect"); #endif } PP(pp_listen) { dSP; #ifdef HAS_SOCKET int backlog = POPi; GV *gv = (GV*)POPs; register IO *io = GvIOn(gv); if (!io || !IoIFP(io)) goto nuts; if (listen(fileno(IoIFP(io)), backlog) >= 0) RETPUSHYES; else RETPUSHUNDEF; nuts: if (dowarn) warn("listen() on closed fd"); SETERRNO(EBADF,SS$_IVCHAN); RETPUSHUNDEF; #else DIE(no_sock_func, "listen"); #endif } PP(pp_accept) { dSP; dTARGET; #ifdef HAS_SOCKET GV *ngv; GV *ggv; register IO *nstio; register IO *gstio; struct sockaddr saddr; /* use a struct to avoid alignment problems */ int len = sizeof saddr; int fd; ggv = (GV*)POPs; ngv = (GV*)POPs; if (!ngv) goto badexit; if (!ggv) goto nuts; gstio = GvIO(ggv); if (!gstio || !IoIFP(gstio)) goto nuts; nstio = GvIOn(ngv); if (IoIFP(nstio)) do_close(ngv, FALSE); fd = accept(fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len); if (fd < 0) goto badexit; IoIFP(nstio) = fdopen(fd, "r"); IoOFP(nstio) = fdopen(fd, "w"); IoTYPE(nstio) = 's'; if (!IoIFP(nstio) || !IoOFP(nstio)) { if (IoIFP(nstio)) fclose(IoIFP(nstio)); if (IoOFP(nstio)) fclose(IoOFP(nstio)); if (!IoIFP(nstio) && !IoOFP(nstio)) close(fd); goto badexit; } PUSHp((char *)&saddr, len); RETURN; nuts: if (dowarn) warn("accept() on closed fd"); SETERRNO(EBADF,SS$_IVCHAN); badexit: RETPUSHUNDEF; #else DIE(no_sock_func, "accept"); #endif } PP(pp_shutdown) { dSP; dTARGET; #ifdef HAS_SOCKET int how = POPi; GV *gv = (GV*)POPs; register IO *io = GvIOn(gv); if (!io || !IoIFP(io)) goto nuts; PUSHi( shutdown(fileno(IoIFP(io)), how) >= 0 ); RETURN; nuts: if (dowarn) warn("shutdown() on closed fd"); SETERRNO(EBADF,SS$_IVCHAN); RETPUSHUNDEF; #else DIE(no_sock_func, "shutdown"); #endif } PP(pp_gsockopt) { #ifdef HAS_SOCKET return pp_ssockopt(ARGS); #else DIE(no_sock_func, "getsockopt"); #endif } PP(pp_ssockopt) { dSP; #ifdef HAS_SOCKET int optype = op->op_type; SV *sv; int fd; unsigned int optname; unsigned int lvl; GV *gv; register IO *io; int aint; if (optype == OP_GSOCKOPT) sv = sv_2mortal(NEWSV(22, 257)); else sv = POPs; optname = (unsigned int) POPi; lvl = (unsigned int) POPi; gv = (GV*)POPs; io = GvIOn(gv); if (!io || !IoIFP(io)) goto nuts; fd = fileno(IoIFP(io)); switch (optype) { case OP_GSOCKOPT: SvGROW(sv, 257); (void)SvPOK_only(sv); SvCUR_set(sv,256); *SvEND(sv) ='\0'; aint = SvCUR(sv); if (getsockopt(fd, lvl, optname, SvPVX(sv), &aint) < 0) goto nuts2; SvCUR_set(sv,aint); *SvEND(sv) ='\0'; PUSHs(sv); break; case OP_SSOCKOPT: { STRLEN len = 0; char *buf = 0; if (SvPOKp(sv)) buf = SvPV(sv, len); else if (SvOK(sv)) { aint = (int)SvIV(sv); buf = (char*)&aint; len = sizeof(int); } if (setsockopt(fd, lvl, optname, buf, (int)len) < 0) goto nuts2; PUSHs(&sv_yes); } break; } RETURN; nuts: if (dowarn) warn("[gs]etsockopt() on closed fd"); SETERRNO(EBADF,SS$_IVCHAN); nuts2: RETPUSHUNDEF; #else DIE(no_sock_func, "setsockopt"); #endif } PP(pp_getsockname) { #ifdef HAS_SOCKET return pp_getpeername(ARGS); #else DIE(no_sock_func, "getsockname"); #endif } PP(pp_getpeername) { dSP; #ifdef HAS_SOCKET int optype = op->op_type; SV *sv; int fd; GV *gv = (GV*)POPs; register IO *io = GvIOn(gv); int aint; if (!io || !IoIFP(io)) goto nuts; sv = sv_2mortal(NEWSV(22, 257)); (void)SvPOK_only(sv); SvCUR_set(sv,256); *SvEND(sv) ='\0'; aint = SvCUR(sv); fd = fileno(IoIFP(io)); switch (optype) { case OP_GETSOCKNAME: if (getsockname(fd, (struct sockaddr *)SvPVX(sv), &aint) < 0) goto nuts2; break; case OP_GETPEERNAME: if (getpeername(fd, (struct sockaddr *)SvPVX(sv), &aint) < 0) goto nuts2; break; } SvCUR_set(sv,aint); *SvEND(sv) ='\0'; PUSHs(sv); RETURN; nuts: if (dowarn) warn("get{sock, peer}name() on closed fd"); SETERRNO(EBADF,SS$_IVCHAN); nuts2: RETPUSHUNDEF; #else DIE(no_sock_func, "getpeername"); #endif } /* Stat calls. */ PP(pp_lstat) { return pp_stat(ARGS); } PP(pp_stat) { dSP; GV *tmpgv; I32 max = 13; if (op->op_flags & OPf_REF) { tmpgv = cGVOP->op_gv; do_fstat: if (tmpgv != defgv) { laststype = OP_STAT; statgv = tmpgv; sv_setpv(statname, ""); if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) || Fstat(fileno(IoIFP(GvIOn(tmpgv))), &statcache) < 0) { max = 0; laststatval = -1; } } else if (laststatval < 0) max = 0; } else { SV* sv = POPs; if (SvTYPE(sv) == SVt_PVGV) { tmpgv = (GV*)sv; goto do_fstat; } else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) { tmpgv = (GV*)SvRV(sv); goto do_fstat; } sv_setpv(statname, SvPV(sv,na)); statgv = Nullgv; #ifdef HAS_LSTAT laststype = op->op_type; if (op->op_type == OP_LSTAT) laststatval = lstat(SvPV(statname, na), &statcache); else #endif laststatval = Stat(SvPV(statname, na), &statcache); if (laststatval < 0) { if (dowarn && strchr(SvPV(statname, na), '\n')) warn(warn_nl, "stat"); max = 0; } } EXTEND(SP, 13); if (GIMME != G_ARRAY) { if (max) RETPUSHYES; else RETPUSHUNDEF; } if (max) { PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev))); PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino))); PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode))); PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink))); PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid))); PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid))); PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev))); PUSHs(sv_2mortal(newSViv((I32)statcache.st_size))); PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime))); PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime))); PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime))); #ifdef USE_STAT_BLOCKS PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize))); PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks))); #else PUSHs(sv_2mortal(newSVpv("", 0))); PUSHs(sv_2mortal(newSVpv("", 0))); #endif } RETURN; } PP(pp_ftrread) { I32 result = my_stat(ARGS); dSP; if (result < 0) RETPUSHUNDEF; if (cando(S_IRUSR, 0, &statcache)) RETPUSHYES; RETPUSHNO; } PP(pp_ftrwrite) { I32 result = my_stat(ARGS); dSP; if (result < 0) RETPUSHUNDEF; if (cando(S_IWUSR, 0, &statcache)) RETPUSHYES; RETPUSHNO; } PP(pp_ftrexec) { I32 result = my_stat(ARGS); dSP; if (result < 0) RETPUSHUNDEF; if (cando(S_IXUSR, 0, &statcache)) RETPUSHYES; RETPUSHNO; } PP(pp_fteread) { I32 result = my_stat(ARGS); dSP; if (result < 0) RETPUSHUNDEF; if (cando(S_IRUSR, 1, &statcache)) RETPUSHYES; RETPUSHNO; } PP(pp_ftewrite) { I32 result = my_stat(ARGS); dSP; if (result < 0) RETPUSHUNDEF; if (cando(S_IWUSR, 1, &statcache)) RETPUSHYES; RETPUSHNO; } PP(pp_fteexec) { I32 result = my_stat(ARGS); dSP; if (result < 0) RETPUSHUNDEF; if (cando(S_IXUSR, 1, &statcache)) RETPUSHYES; RETPUSHNO; } PP(pp_ftis) { I32 result = my_stat(ARGS); dSP; if (result < 0) RETPUSHUNDEF; RETPUSHYES; } PP(pp_fteowned) { return pp_ftrowned(ARGS); } PP(pp_ftrowned) { I32 result = my_stat(ARGS); dSP; if (result < 0) RETPUSHUNDEF; if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) ) RETPUSHYES; RETPUSHNO; } PP(pp_ftzero) { I32 result = my_stat(ARGS); dSP; if (result < 0) RETPUSHUNDEF; if (!statcache.st_size) RETPUSHYES; RETPUSHNO; } PP(pp_ftsize) { I32 result = my_stat(ARGS); dSP; dTARGET; if (result < 0) RETPUSHUNDEF; PUSHi(statcache.st_size); RETURN; } PP(pp_ftmtime) { I32 result = my_stat(ARGS); dSP; dTARGET; if (result < 0) RETPUSHUNDEF; PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 ); RETURN; } PP(pp_ftatime) { I32 result = my_stat(ARGS); dSP; dTARGET; if (result < 0) RETPUSHUNDEF; PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 ); RETURN; } PP(pp_ftctime) { I32 result = my_stat(ARGS); dSP; dTARGET; if (result < 0) RETPUSHUNDEF; PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 ); RETURN; } PP(pp_ftsock) { I32 result = my_stat(ARGS); dSP; if (result < 0) RETPUSHUNDEF; if (S_ISSOCK(statcache.st_mode)) RETPUSHYES; RETPUSHNO; } PP(pp_ftchr) { I32 result = my_stat(ARGS); dSP; if (result < 0) RETPUSHUNDEF; if (S_ISCHR(statcache.st_mode)) RETPUSHYES; RETPUSHNO; } PP(pp_ftblk) { I32 result = my_stat(ARGS); dSP; if (result < 0) RETPUSHUNDEF; if (S_ISBLK(statcache.st_mode)) RETPUSHYES; RETPUSHNO; } PP(pp_ftfile) { I32 result = my_stat(ARGS); dSP; if (result < 0) RETPUSHUNDEF; if (S_ISREG(statcache.st_mode)) RETPUSHYES; RETPUSHNO; } PP(pp_ftdir) { I32 result = my_stat(ARGS); dSP; if (result < 0) RETPUSHUNDEF; if (S_ISDIR(statcache.st_mode)) RETPUSHYES; RETPUSHNO; } PP(pp_ftpipe) { I32 result = my_stat(ARGS); dSP; if (result < 0) RETPUSHUNDEF; if (S_ISFIFO(statcache.st_mode)) RETPUSHYES; RETPUSHNO; } PP(pp_ftlink) { I32 result = my_lstat(ARGS); dSP; if (result < 0) RETPUSHUNDEF; if (S_ISLNK(statcache.st_mode)) RETPUSHYES; RETPUSHNO; } PP(pp_ftsuid) { dSP; #ifdef S_ISUID I32 result = my_stat(ARGS); SPAGAIN; if (result < 0) RETPUSHUNDEF; if (statcache.st_mode & S_ISUID) RETPUSHYES; #endif RETPUSHNO; } PP(pp_ftsgid) { dSP; #ifdef S_ISGID I32 result = my_stat(ARGS); SPAGAIN; if (result < 0) RETPUSHUNDEF; if (statcache.st_mode & S_ISGID) RETPUSHYES; #endif RETPUSHNO; } PP(pp_ftsvtx) { dSP; #ifdef S_ISVTX I32 result = my_stat(ARGS); SPAGAIN; if (result < 0) RETPUSHUNDEF; if (statcache.st_mode & S_ISVTX) RETPUSHYES; #endif RETPUSHNO; } PP(pp_fttty) { dSP; int fd; GV *gv; char *tmps; if (op->op_flags & OPf_REF) { gv = cGVOP->op_gv; tmps = ""; } else gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO); if (GvIO(gv) && IoIFP(GvIOp(gv))) fd = fileno(IoIFP(GvIOp(gv))); else if (isDIGIT(*tmps)) fd = atoi(tmps); else RETPUSHUNDEF; if (isatty(fd)) RETPUSHYES; RETPUSHNO; } #if defined(atarist) /* this will work with atariST. Configure will make guesses for other systems. */ # define FILE_base(f) ((f)->_base) # define FILE_ptr(f) ((f)->_ptr) # define FILE_cnt(f) ((f)->_cnt) # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base)) #endif PP(pp_fttext) { dSP; I32 i; I32 len; I32 odd = 0; STDCHAR tbuf[512]; register STDCHAR *s; register IO *io; SV *sv; if (op->op_flags & OPf_REF) { EXTEND(SP, 1); if (cGVOP->op_gv == defgv) { if (statgv) io = GvIO(statgv); else { sv = statname; goto really_filename; } } else { statgv = cGVOP->op_gv; sv_setpv(statname, ""); io = GvIO(statgv); } if (io && IoIFP(io)) { #ifdef FILE_base Fstat(fileno(IoIFP(io)), &statcache); if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */ if (op->op_type == OP_FTTEXT) RETPUSHNO; else RETPUSHYES; if (FILE_cnt(IoIFP(io)) <= 0) { i = getc(IoIFP(io)); if (i != EOF) (void)ungetc(i, IoIFP(io)); } if (FILE_cnt(IoIFP(io)) <= 0) /* null file is anything */ RETPUSHYES; len = FILE_bufsiz(IoIFP(io)); s = FILE_base(IoIFP(io)); #else DIE("-T and -B not implemented on filehandles"); #endif } else { if (dowarn) warn("Test on unopened file <%s>", GvENAME(cGVOP->op_gv)); SETERRNO(EBADF,RMS$_IFI); RETPUSHUNDEF; } } else { sv = POPs; statgv = Nullgv; sv_setpv(statname, SvPV(sv, na)); really_filename: #ifdef HAS_OPEN3 i = open(SvPV(sv, na), O_RDONLY, 0); #else i = open(SvPV(sv, na), 0); #endif if (i < 0) { if (dowarn && strchr(SvPV(sv, na), '\n')) warn(warn_nl, "open"); RETPUSHUNDEF; } Fstat(i, &statcache); len = read(i, tbuf, 512); (void)close(i); if (len <= 0) { if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT) RETPUSHNO; /* special case NFS directories */ RETPUSHYES; /* null file is anything */ } s = tbuf; } /* now scan s to look for textiness */ /* XXX ASCII dependent code */ for (i = 0; i < len; i++, s++) { if (!*s) { /* null never allowed in text */ odd += len; break; } else if (*s & 128) odd++; else if (*s < 32 && *s != '\n' && *s != '\r' && *s != '\b' && *s != '\t' && *s != '\f' && *s != 27) odd++; } if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */ RETPUSHNO; else RETPUSHYES; } PP(pp_ftbinary) { return pp_fttext(ARGS); } /* File calls. */ PP(pp_chdir) { dSP; dTARGET; char *tmps; SV **svp; if (MAXARG < 1) tmps = Nullch; else tmps = POPp; if (!tmps || !*tmps) { svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE); if (svp) tmps = SvPV(*svp, na); } if (!tmps || !*tmps) { svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE); if (svp) tmps = SvPV(*svp, na); } TAINT_PROPER("chdir"); PUSHi( chdir(tmps) >= 0 ); #ifdef VMS /* Clear the DEFAULT element of ENV so we'll get the new value * in the future. */ hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD); #endif RETURN; } PP(pp_chown) { dSP; dMARK; dTARGET; I32 value; #ifdef HAS_CHOWN value = (I32)apply(op->op_type, MARK, SP); SP = MARK; PUSHi(value); RETURN; #else DIE(no_func, "Unsupported function chown"); #endif } PP(pp_chroot) { dSP; dTARGET; char *tmps; #ifdef HAS_CHROOT tmps = POPp; TAINT_PROPER("chroot"); PUSHi( chroot(tmps) >= 0 ); RETURN; #else DIE(no_func, "chroot"); #endif } PP(pp_unlink) { dSP; dMARK; dTARGET; I32 value; value = (I32)apply(op->op_type, MARK, SP); SP = MARK; PUSHi(value); RETURN; } PP(pp_chmod) { dSP; dMARK; dTARGET; I32 value; value = (I32)apply(op->op_type, MARK, SP); SP = MARK; PUSHi(value); RETURN; } PP(pp_utime) { dSP; dMARK; dTARGET; I32 value; value = (I32)apply(op->op_type, MARK, SP); SP = MARK; PUSHi(value); RETURN; } PP(pp_rename) { dSP; dTARGET; int anum; char *tmps2 = POPp; char *tmps = SvPV(TOPs, na); TAINT_PROPER("rename"); #ifdef HAS_RENAME anum = rename(tmps, tmps2); #else if (same_dirent(tmps2, tmps)) /* can always rename to same name */ anum = 1; else { if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode)) (void)UNLINK(tmps2); if (!(anum = link(tmps, tmps2))) anum = UNLINK(tmps); } #endif SETi( anum >= 0 ); RETURN; } PP(pp_link) { dSP; dTARGET; #ifdef HAS_LINK char *tmps2 = POPp; char *tmps = SvPV(TOPs, na); TAINT_PROPER("link"); SETi( link(tmps, tmps2) >= 0 ); #else DIE(no_func, "Unsupported function link"); #endif RETURN; } PP(pp_symlink) { dSP; dTARGET; #ifdef HAS_SYMLINK char *tmps2 = POPp; char *tmps = SvPV(TOPs, na); TAINT_PROPER("symlink"); SETi( symlink(tmps, tmps2) >= 0 ); RETURN; #else DIE(no_func, "symlink"); #endif } PP(pp_readlink) { dSP; dTARGET; #ifdef HAS_SYMLINK char *tmps; int len; tmps = POPp; len = readlink(tmps, buf, sizeof buf); EXTEND(SP, 1); if (len < 0) RETPUSHUNDEF; PUSHp(buf, len); RETURN; #else EXTEND(SP, 1); RETSETUNDEF; /* just pretend it's a normal file */ #endif } #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR) static int dooneliner(cmd, filename) char *cmd; char *filename; { char mybuf[8192]; char *s, *save_filename = filename; int anum = 1; FILE *myfp; strcpy(mybuf, cmd); strcat(mybuf, " "); for (s = mybuf+strlen(mybuf); *filename; ) { *s++ = '\\'; *s++ = *filename++; } strcpy(s, " 2>&1"); myfp = my_popen(mybuf, "r"); if (myfp) { *mybuf = '\0'; s = fgets(mybuf, sizeof mybuf, myfp); (void)my_pclose(myfp); if (s != Nullch) { for (errno = 1; errno < sys_nerr; errno++) { #ifdef HAS_SYS_ERRLIST if (instr(mybuf, sys_errlist[errno])) /* you don't see this */ return 0; #else char *errmsg; /* especially if it isn't there */ if (instr(mybuf, (errmsg = strerror(errno)) ? errmsg : "NoErRoR")) return 0; #endif } SETERRNO(0,0); #ifndef EACCES #define EACCES EPERM #endif if (instr(mybuf, "cannot make")) SETERRNO(EEXIST,RMS$_FEX); else if (instr(mybuf, "existing file")) SETERRNO(EEXIST,RMS$_FEX); else if (instr(mybuf, "ile exists")) SETERRNO(EEXIST,RMS$_FEX); else if (instr(mybuf, "non-exist")) SETERRNO(ENOENT,RMS$_FNF); else if (instr(mybuf, "does not exist")) SETERRNO(ENOENT,RMS$_FNF); else if (instr(mybuf, "not empty")) SETERRNO(EBUSY,SS$_DEVOFFLINE); else if (instr(mybuf, "cannot access")) SETERRNO(EACCES,RMS$_PRV); else SETERRNO(EPERM,RMS$_PRV); return 0; } else { /* some mkdirs return no failure indication */ anum = (Stat(save_filename, &statbuf) >= 0); if (op->op_type == OP_RMDIR) anum = !anum; if (anum) SETERRNO(0,0); else SETERRNO(EACCES,RMS$_PRV); /* a guess */ } return anum; } else return 0; } #endif PP(pp_mkdir) { dSP; dTARGET; int mode = POPi; #ifndef HAS_MKDIR int oldumask; #endif char *tmps = SvPV(TOPs, na); TAINT_PROPER("mkdir"); #ifdef HAS_MKDIR SETi( mkdir(tmps, mode) >= 0 ); #else SETi( dooneliner("mkdir", tmps) ); oldumask = umask(0); umask(oldumask); chmod(tmps, (mode & ~oldumask) & 0777); #endif RETURN; } PP(pp_rmdir) { dSP; dTARGET; char *tmps; tmps = POPp; TAINT_PROPER("rmdir"); #ifdef HAS_RMDIR XPUSHi( rmdir(tmps) >= 0 ); #else XPUSHi( dooneliner("rmdir", tmps) ); #endif RETURN; } /* Directory calls. */ PP(pp_open_dir) { dSP; #if defined(Direntry_t) && defined(HAS_READDIR) char *dirname = POPp; GV *gv = (GV*)POPs; register IO *io = GvIOn(gv); if (!io) goto nope; if (IoDIRP(io)) closedir(IoDIRP(io)); if (!(IoDIRP(io) = opendir(dirname))) goto nope; RETPUSHYES; nope: if (!errno) SETERRNO(EBADF,RMS$_DIR); RETPUSHUNDEF; #else DIE(no_dir_func, "opendir"); #endif } PP(pp_readdir) { dSP; #if defined(Direntry_t) && defined(HAS_READDIR) #ifndef I_DIRENT Direntry_t *readdir _((DIR *)); #endif register Direntry_t *dp; GV *gv = (GV*)POPs; register IO *io = GvIOn(gv); if (!io || !IoDIRP(io)) goto nope; if (GIMME == G_ARRAY) { /*SUPPRESS 560*/ while (dp = (Direntry_t *)readdir(IoDIRP(io))) { #ifdef DIRNAMLEN XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen))); #else XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0))); #endif } } else { if (!(dp = (Direntry_t *)readdir(IoDIRP(io)))) goto nope; #ifdef DIRNAMLEN XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen))); #else XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0))); #endif } RETURN; nope: if (!errno) SETERRNO(EBADF,RMS$_ISI); if (GIMME == G_ARRAY) RETURN; else RETPUSHUNDEF; #else DIE(no_dir_func, "readdir"); #endif } PP(pp_telldir) { dSP; dTARGET; #if defined(HAS_TELLDIR) || defined(telldir) #if !defined(telldir) && !defined(HAS_TELLDIR_PROTOTYPE) long telldir _((DIR *)); #endif GV *gv = (GV*)POPs; register IO *io = GvIOn(gv); if (!io || !IoDIRP(io)) goto nope; PUSHi( telldir(IoDIRP(io)) ); RETURN; nope: if (!errno) SETERRNO(EBADF,RMS$_ISI); RETPUSHUNDEF; #else DIE(no_dir_func, "telldir"); #endif } PP(pp_seekdir) { dSP; #if defined(HAS_SEEKDIR) || defined(seekdir) long along = POPl; GV *gv = (GV*)POPs; register IO *io = GvIOn(gv); if (!io || !IoDIRP(io)) goto nope; (void)seekdir(IoDIRP(io), along); RETPUSHYES; nope: if (!errno) SETERRNO(EBADF,RMS$_ISI); RETPUSHUNDEF; #else DIE(no_dir_func, "seekdir"); #endif } PP(pp_rewinddir) { dSP; #if defined(HAS_REWINDDIR) || defined(rewinddir) GV *gv = (GV*)POPs; register IO *io = GvIOn(gv); if (!io || !IoDIRP(io)) goto nope; (void)rewinddir(IoDIRP(io)); RETPUSHYES; nope: if (!errno) SETERRNO(EBADF,RMS$_ISI); RETPUSHUNDEF; #else DIE(no_dir_func, "rewinddir"); #endif } PP(pp_closedir) { dSP; #if defined(Direntry_t) && defined(HAS_READDIR) GV *gv = (GV*)POPs; register IO *io = GvIOn(gv); if (!io || !IoDIRP(io)) goto nope; #ifdef VOID_CLOSEDIR closedir(IoDIRP(io)); #else if (closedir(IoDIRP(io)) < 0) { IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */ goto nope; } #endif IoDIRP(io) = 0; RETPUSHYES; nope: if (!errno) SETERRNO(EBADF,RMS$_IFI); RETPUSHUNDEF; #else DIE(no_dir_func, "closedir"); #endif } /* Process control. */ PP(pp_fork) { dSP; dTARGET; int childpid; GV *tmpgv; EXTEND(SP, 1); #ifdef HAS_FORK childpid = fork(); if (childpid < 0) RETSETUNDEF; if (!childpid) { /*SUPPRESS 560*/ if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV)) sv_setiv(GvSV(tmpgv), (I32)getpid()); hv_clear(pidstatus); /* no kids, so don't wait for 'em */ } PUSHi(childpid); RETURN; #else DIE(no_func, "Unsupported function fork"); #endif } PP(pp_wait) { dSP; dTARGET; int childpid; int argflags; I32 value; EXTEND(SP, 1); #ifdef HAS_WAIT childpid = wait(&argflags); if (childpid > 0) pidgone(childpid, argflags); value = (I32)childpid; statusvalue = FIXSTATUS(argflags); PUSHi(value); RETURN; #else DIE(no_func, "Unsupported function wait"); #endif } PP(pp_waitpid) { dSP; dTARGET; int childpid; int optype; int argflags; I32 value; #ifdef HAS_WAIT optype = POPi; childpid = TOPi; childpid = wait4pid(childpid, &argflags, optype); value = (I32)childpid; statusvalue = FIXSTATUS(argflags); SETi(value); RETURN; #else DIE(no_func, "Unsupported function wait"); #endif } PP(pp_system) { dSP; dMARK; dORIGMARK; dTARGET; I32 value; int childpid; int result; int status; Signal_t (*ihand)(); /* place to save signal during system() */ Signal_t (*qhand)(); /* place to save signal during system() */ #if defined(HAS_FORK) && !defined(VMS) && !defined(OS2) if (SP - MARK == 1) { if (tainting) { char *junk = SvPV(TOPs, na); TAINT_ENV(); TAINT_PROPER("system"); } } while ((childpid = vfork()) == -1) { if (errno != EAGAIN) { value = -1; SP = ORIGMARK; PUSHi(value); RETURN; } sleep(5); } if (childpid > 0) { ihand = signal(SIGINT, SIG_IGN); qhand = signal(SIGQUIT, SIG_IGN); do { result = wait4pid(childpid, &status, 0); } while (result == -1 && errno == EINTR); (void)signal(SIGINT, ihand); (void)signal(SIGQUIT, qhand); statusvalue = FIXSTATUS(status); if (result < 0) value = -1; else { value = (I32)((unsigned int)status & 0xffff); } do_execfree(); /* free any memory child malloced on vfork */ SP = ORIGMARK; PUSHi(value); RETURN; } if (op->op_flags & OPf_STACKED) { SV *really = *++MARK; value = (I32)do_aexec(really, MARK, SP); } else if (SP - MARK != 1) value = (I32)do_aexec(Nullsv, MARK, SP); else { value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na)); } _exit(-1); #else /* ! FORK or VMS or OS/2 */ if (op->op_flags & OPf_STACKED) { SV *really = *++MARK; value = (I32)do_aspawn(really, MARK, SP); } else if (SP - MARK != 1) value = (I32)do_aspawn(Nullsv, MARK, SP); else { value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na)); } statusvalue = FIXSTATUS(value); do_execfree(); SP = ORIGMARK; PUSHi(value); #endif /* !FORK or VMS */ RETURN; } PP(pp_exec) { dSP; dMARK; dORIGMARK; dTARGET; I32 value; if (op->op_flags & OPf_STACKED) { SV *really = *++MARK; value = (I32)do_aexec(really, MARK, SP); } else if (SP - MARK != 1) #ifdef VMS value = (I32)vms_do_aexec(Nullsv, MARK, SP); #else value = (I32)do_aexec(Nullsv, MARK, SP); #endif else { if (tainting) { char *junk = SvPV(*SP, na); TAINT_ENV(); TAINT_PROPER("exec"); } #ifdef VMS value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na)); #else value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na)); #endif } SP = ORIGMARK; PUSHi(value); RETURN; } PP(pp_kill) { dSP; dMARK; dTARGET; I32 value; #ifdef HAS_KILL value = (I32)apply(op->op_type, MARK, SP); SP = MARK; PUSHi(value); RETURN; #else DIE(no_func, "Unsupported function kill"); #endif } PP(pp_getppid) { #ifdef HAS_GETPPID dSP; dTARGET; XPUSHi( getppid() ); RETURN; #else DIE(no_func, "getppid"); #endif } PP(pp_getpgrp) { #ifdef HAS_GETPGRP dSP; dTARGET; int pid; I32 value; if (MAXARG < 1) pid = 0; else pid = SvIVx(POPs); #ifdef BSD_GETPGRP value = (I32)BSD_GETPGRP(pid); #else if (pid != 0) DIE("POSIX getpgrp can't take an argument"); value = (I32)getpgrp(); #endif XPUSHi(value); RETURN; #else DIE(no_func, "getpgrp()"); #endif } PP(pp_setpgrp) { #ifdef HAS_SETPGRP dSP; dTARGET; int pgrp; int pid; if (MAXARG < 2) { pgrp = 0; pid = 0; } else { pgrp = POPi; pid = TOPi; } TAINT_PROPER("setpgrp"); #ifdef BSD_SETPGRP SETi( BSD_SETPGRP(pid, pgrp) >= 0 ); #else if ((pgrp != 0) || (pid != 0)) { DIE("POSIX setpgrp can't take an argument"); } SETi( setpgrp() >= 0 ); #endif /* USE_BSDPGRP */ RETURN; #else DIE(no_func, "setpgrp()"); #endif } PP(pp_getpriority) { dSP; dTARGET; int which; int who; #ifdef HAS_GETPRIORITY who = POPi; which = TOPi; SETi( getpriority(which, who) ); RETURN; #else DIE(no_func, "getpriority()"); #endif } PP(pp_setpriority) { dSP; dTARGET; int which; int who; int niceval; #ifdef HAS_SETPRIORITY niceval = POPi; who = POPi; which = TOPi; TAINT_PROPER("setpriority"); SETi( setpriority(which, who, niceval) >= 0 ); RETURN; #else DIE(no_func, "setpriority()"); #endif } /* Time calls. */ PP(pp_time) { dSP; dTARGET; XPUSHi( time(Null(Time_t*)) ); RETURN; } #ifndef HZ #define HZ 60 #endif PP(pp_tms) { dSP; #if defined(MSDOS) || !defined(HAS_TIMES) DIE("times not implemented"); #else EXTEND(SP, 4); #ifndef VMS (void)times(×buf); #else (void)times((tbuffer_t *)×buf); /* time.h uses different name for */ /* struct tms, though same data */ /* is returned. */ #undef HZ #define HZ CLK_TCK #endif PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ))); if (GIMME == G_ARRAY) { PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ))); PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ))); PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ))); } RETURN; #endif /* MSDOS */ } PP(pp_localtime) { return pp_gmtime(ARGS); } PP(pp_gmtime) { dSP; Time_t when; struct tm *tmbuf; static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"}; static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; if (MAXARG < 1) (void)time(&when); else when = (Time_t)SvIVx(POPs); if (op->op_type == OP_LOCALTIME) tmbuf = localtime(&when); else tmbuf = gmtime(&when); EXTEND(SP, 9); if (GIMME != G_ARRAY) { dTARGET; char mybuf[30]; if (!tmbuf) RETPUSHUNDEF; sprintf(mybuf, "%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); PUSHp(mybuf, strlen(mybuf)); } else if (tmbuf) { PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec))); PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min))); PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour))); PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday))); PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon))); PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year))); PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday))); PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday))); PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst))); } RETURN; } PP(pp_alarm) { dSP; dTARGET; int anum; #ifdef HAS_ALARM anum = POPi; anum = alarm((unsigned int)anum); EXTEND(SP, 1); if (anum < 0) RETPUSHUNDEF; PUSHi((I32)anum); RETURN; #else DIE(no_func, "Unsupported function alarm"); #endif } PP(pp_sleep) { dSP; dTARGET; I32 duration; Time_t lasttime; Time_t when; (void)time(&lasttime); if (MAXARG < 1) pause(); else { duration = POPi; sleep((unsigned int)duration); } (void)time(&when); XPUSHi(when - lasttime); RETURN; } /* Shared memory. */ PP(pp_shmget) { return pp_semget(ARGS); } PP(pp_shmctl) { return pp_semctl(ARGS); } PP(pp_shmread) { return pp_shmwrite(ARGS); } PP(pp_shmwrite) { #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) dSP; dMARK; dTARGET; I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0); SP = MARK; PUSHi(value); RETURN; #else return pp_semget(ARGS); #endif } /* Message passing. */ PP(pp_msgget) { return pp_semget(ARGS); } PP(pp_msgctl) { return pp_semctl(ARGS); } PP(pp_msgsnd) { #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) dSP; dMARK; dTARGET; I32 value = (I32)(do_msgsnd(MARK, SP) >= 0); SP = MARK; PUSHi(value); RETURN; #else return pp_semget(ARGS); #endif } PP(pp_msgrcv) { #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) dSP; dMARK; dTARGET; I32 value = (I32)(do_msgrcv(MARK, SP) >= 0); SP = MARK; PUSHi(value); RETURN; #else return pp_semget(ARGS); #endif } /* Semaphores. */ PP(pp_semget) { #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) dSP; dMARK; dTARGET; int anum = do_ipcget(op->op_type, MARK, SP); SP = MARK; if (anum == -1) RETPUSHUNDEF; PUSHi(anum); RETURN; #else DIE("System V IPC is not implemented on this machine"); #endif } PP(pp_semctl) { #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) dSP; dMARK; dTARGET; int anum = do_ipcctl(op->op_type, MARK, SP); SP = MARK; if (anum == -1) RETSETUNDEF; if (anum != 0) { PUSHi(anum); } else { PUSHp("0 but true",10); } RETURN; #else return pp_semget(ARGS); #endif } PP(pp_semop) { #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) dSP; dMARK; dTARGET; I32 value = (I32)(do_semop(MARK, SP) >= 0); SP = MARK; PUSHi(value); RETURN; #else return pp_semget(ARGS); #endif } /* Get system info. */ PP(pp_ghbyname) { #ifdef HAS_SOCKET return pp_ghostent(ARGS); #else DIE(no_sock_func, "gethostbyname"); #endif } PP(pp_ghbyaddr) { #ifdef HAS_SOCKET return pp_ghostent(ARGS); #else DIE(no_sock_func, "gethostbyaddr"); #endif } PP(pp_ghostent) { dSP; #ifdef HAS_SOCKET I32 which = op->op_type; register char **elem; register SV *sv; struct hostent *gethostbyname(); struct hostent *gethostbyaddr(); #ifdef HAS_GETHOSTENT struct hostent *gethostent(); #endif struct hostent *hent; unsigned long len; EXTEND(SP, 10); if (which == OP_GHBYNAME) { hent = gethostbyname(POPp); } else if (which == OP_GHBYADDR) { int addrtype = POPi; SV *addrsv = POPs; STRLEN addrlen; char *addr = SvPV(addrsv, addrlen); hent = gethostbyaddr(addr, addrlen, addrtype); } else #ifdef HAS_GETHOSTENT hent = gethostent(); #else DIE("gethostent not implemented"); #endif #ifdef HOST_NOT_FOUND if (!hent) statusvalue = FIXSTATUS(h_errno); #endif if (GIMME != G_ARRAY) { PUSHs(sv = sv_newmortal()); if (hent) { if (which == OP_GHBYNAME) { if (hent->h_addr) sv_setpvn(sv, hent->h_addr, hent->h_length); } else sv_setpv(sv, (char*)hent->h_name); } RETURN; } if (hent) { PUSHs(sv = sv_mortalcopy(&sv_no)); sv_setpv(sv, (char*)hent->h_name); PUSHs(sv = sv_mortalcopy(&sv_no)); for (elem = hent->h_aliases; elem && *elem; elem++) { sv_catpv(sv, *elem); if (elem[1]) sv_catpvn(sv, " ", 1); } PUSHs(sv = sv_mortalcopy(&sv_no)); sv_setiv(sv, (I32)hent->h_addrtype); PUSHs(sv = sv_mortalcopy(&sv_no)); len = hent->h_length; sv_setiv(sv, (I32)len); #ifdef h_addr for (elem = hent->h_addr_list; elem && *elem; elem++) { XPUSHs(sv = sv_mortalcopy(&sv_no)); sv_setpvn(sv, *elem, len); } #else PUSHs(sv = sv_mortalcopy(&sv_no)); if (hent->h_addr) sv_setpvn(sv, hent->h_addr, len); #endif /* h_addr */ } RETURN; #else DIE(no_sock_func, "gethostent"); #endif } PP(pp_gnbyname) { #ifdef HAS_SOCKET return pp_gnetent(ARGS); #else DIE(no_sock_func, "getnetbyname"); #endif } PP(pp_gnbyaddr) { #ifdef HAS_SOCKET return pp_gnetent(ARGS); #else DIE(no_sock_func, "getnetbyaddr"); #endif } PP(pp_gnetent) { dSP; #ifdef HAS_SOCKET I32 which = op->op_type; register char **elem; register SV *sv; struct netent *getnetbyname(); struct netent *getnetbyaddr(); struct netent *getnetent(); struct netent *nent; if (which == OP_GNBYNAME) nent = getnetbyname(POPp); else if (which == OP_GNBYADDR) { int addrtype = POPi; unsigned long addr = U_L(POPn); nent = getnetbyaddr((long)addr, addrtype); } else nent = getnetent(); EXTEND(SP, 4); if (GIMME != G_ARRAY) { PUSHs(sv = sv_newmortal()); if (nent) { if (which == OP_GNBYNAME) sv_setiv(sv, (I32)nent->n_net); else sv_setpv(sv, nent->n_name); } RETURN; } if (nent) { PUSHs(sv = sv_mortalcopy(&sv_no)); sv_setpv(sv, nent->n_name); PUSHs(sv = sv_mortalcopy(&sv_no)); for (elem = nent->n_aliases; *elem; elem++) { sv_catpv(sv, *elem); if (elem[1]) sv_catpvn(sv, " ", 1); } PUSHs(sv = sv_mortalcopy(&sv_no)); sv_setiv(sv, (I32)nent->n_addrtype); PUSHs(sv = sv_mortalcopy(&sv_no)); sv_setiv(sv, (I32)nent->n_net); } RETURN; #else DIE(no_sock_func, "getnetent"); #endif } PP(pp_gpbyname) { #ifdef HAS_SOCKET return pp_gprotoent(ARGS); #else DIE(no_sock_func, "getprotobyname"); #endif } PP(pp_gpbynumber) { #ifdef HAS_SOCKET return pp_gprotoent(ARGS); #else DIE(no_sock_func, "getprotobynumber"); #endif } PP(pp_gprotoent) { dSP; #ifdef HAS_SOCKET I32 which = op->op_type; register char **elem; register SV *sv; struct protoent *getprotobyname(); struct protoent *getprotobynumber(); struct protoent *getprotoent(); struct protoent *pent; if (which == OP_GPBYNAME) pent = getprotobyname(POPp); else if (which == OP_GPBYNUMBER) pent = getprotobynumber(POPi); else pent = getprotoent(); EXTEND(SP, 3); if (GIMME != G_ARRAY) { PUSHs(sv = sv_newmortal()); if (pent) { if (which == OP_GPBYNAME) sv_setiv(sv, (I32)pent->p_proto); else sv_setpv(sv, pent->p_name); } RETURN; } if (pent) { PUSHs(sv = sv_mortalcopy(&sv_no)); sv_setpv(sv, pent->p_name); PUSHs(sv = sv_mortalcopy(&sv_no)); for (elem = pent->p_aliases; *elem; elem++) { sv_catpv(sv, *elem); if (elem[1]) sv_catpvn(sv, " ", 1); } PUSHs(sv = sv_mortalcopy(&sv_no)); sv_setiv(sv, (I32)pent->p_proto); } RETURN; #else DIE(no_sock_func, "getprotoent"); #endif } PP(pp_gsbyname) { #ifdef HAS_SOCKET return pp_gservent(ARGS); #else DIE(no_sock_func, "getservbyname"); #endif } PP(pp_gsbyport) { #ifdef HAS_SOCKET return pp_gservent(ARGS); #else DIE(no_sock_func, "getservbyport"); #endif } PP(pp_gservent) { dSP; #ifdef HAS_SOCKET I32 which = op->op_type; register char **elem; register SV *sv; struct servent *getservbyname(); struct servent *getservbynumber(); struct servent *getservent(); struct servent *sent; if (which == OP_GSBYNAME) { char *proto = POPp; char *name = POPp; if (proto && !*proto) proto = Nullch; sent = getservbyname(name, proto); } else if (which == OP_GSBYPORT) { char *proto = POPp; int port = POPi; sent = getservbyport(port, proto); } else sent = getservent(); EXTEND(SP, 4); if (GIMME != G_ARRAY) { PUSHs(sv = sv_newmortal()); if (sent) { if (which == OP_GSBYNAME) { #ifdef HAS_NTOHS sv_setiv(sv, (I32)ntohs(sent->s_port)); #else sv_setiv(sv, (I32)(sent->s_port)); #endif } else sv_setpv(sv, sent->s_name); } RETURN; } if (sent) { PUSHs(sv = sv_mortalcopy(&sv_no)); sv_setpv(sv, sent->s_name); PUSHs(sv = sv_mortalcopy(&sv_no)); for (elem = sent->s_aliases; *elem; elem++) { sv_catpv(sv, *elem); if (elem[1]) sv_catpvn(sv, " ", 1); } PUSHs(sv = sv_mortalcopy(&sv_no)); #ifdef HAS_NTOHS sv_setiv(sv, (I32)ntohs(sent->s_port)); #else sv_setiv(sv, (I32)(sent->s_port)); #endif PUSHs(sv = sv_mortalcopy(&sv_no)); sv_setpv(sv, sent->s_proto); } RETURN; #else DIE(no_sock_func, "getservent"); #endif } PP(pp_shostent) { dSP; #ifdef HAS_SOCKET sethostent(TOPi); RETSETYES; #else DIE(no_sock_func, "sethostent"); #endif } PP(pp_snetent) { dSP; #ifdef HAS_SOCKET setnetent(TOPi); RETSETYES; #else DIE(no_sock_func, "setnetent"); #endif } PP(pp_sprotoent) { dSP; #ifdef HAS_SOCKET setprotoent(TOPi); RETSETYES; #else DIE(no_sock_func, "setprotoent"); #endif } PP(pp_sservent) { dSP; #ifdef HAS_SOCKET setservent(TOPi); RETSETYES; #else DIE(no_sock_func, "setservent"); #endif } PP(pp_ehostent) { dSP; #ifdef HAS_SOCKET endhostent(); EXTEND(sp,1); RETPUSHYES; #else DIE(no_sock_func, "endhostent"); #endif } PP(pp_enetent) { dSP; #ifdef HAS_SOCKET endnetent(); EXTEND(sp,1); RETPUSHYES; #else DIE(no_sock_func, "endnetent"); #endif } PP(pp_eprotoent) { dSP; #ifdef HAS_SOCKET endprotoent(); EXTEND(sp,1); RETPUSHYES; #else DIE(no_sock_func, "endprotoent"); #endif } PP(pp_eservent) { dSP; #ifdef HAS_SOCKET endservent(); EXTEND(sp,1); RETPUSHYES; #else DIE(no_sock_func, "endservent"); #endif } PP(pp_gpwnam) { #ifdef HAS_PASSWD return pp_gpwent(ARGS); #else DIE(no_func, "getpwnam"); #endif } PP(pp_gpwuid) { #ifdef HAS_PASSWD return pp_gpwent(ARGS); #else DIE(no_func, "getpwuid"); #endif } PP(pp_gpwent) { dSP; #ifdef HAS_PASSWD I32 which = op->op_type; register SV *sv; struct passwd *pwent; if (which == OP_GPWNAM) pwent = getpwnam(POPp); else if (which == OP_GPWUID) pwent = getpwuid(POPi); else pwent = (struct passwd *)getpwent(); EXTEND(SP, 10); if (GIMME != G_ARRAY) { PUSHs(sv = sv_newmortal()); if (pwent) { if (which == OP_GPWNAM) sv_setiv(sv, (I32)pwent->pw_uid); else sv_setpv(sv, pwent->pw_name); } RETURN; } if (pwent) { PUSHs(sv = sv_mortalcopy(&sv_no)); sv_setpv(sv, pwent->pw_name); PUSHs(sv = sv_mortalcopy(&sv_no)); sv_setpv(sv, pwent->pw_passwd); PUSHs(sv = sv_mortalcopy(&sv_no)); sv_setiv(sv, (I32)pwent->pw_uid); PUSHs(sv = sv_mortalcopy(&sv_no)); sv_setiv(sv, (I32)pwent->pw_gid); PUSHs(sv = sv_mortalcopy(&sv_no)); #ifdef PWCHANGE sv_setiv(sv, (I32)pwent->pw_change); #else #ifdef PWQUOTA sv_setiv(sv, (I32)pwent->pw_quota); #else #ifdef PWAGE sv_setpv(sv, pwent->pw_age); #endif #endif #endif PUSHs(sv = sv_mortalcopy(&sv_no)); #ifdef PWCLASS sv_setpv(sv, pwent->pw_class); #else #ifdef PWCOMMENT sv_setpv(sv, pwent->pw_comment); #endif #endif PUSHs(sv = sv_mortalcopy(&sv_no)); sv_setpv(sv, pwent->pw_gecos); PUSHs(sv = sv_mortalcopy(&sv_no)); sv_setpv(sv, pwent->pw_dir); PUSHs(sv = sv_mortalcopy(&sv_no)); sv_setpv(sv, pwent->pw_shell); #ifdef PWEXPIRE PUSHs(sv = sv_mortalcopy(&sv_no)); sv_setiv(sv, (I32)pwent->pw_expire); #endif } RETURN; #else DIE(no_func, "getpwent"); #endif } PP(pp_spwent) { dSP; #ifdef HAS_PASSWD setpwent(); RETPUSHYES; #else DIE(no_func, "setpwent"); #endif } PP(pp_epwent) { dSP; #ifdef HAS_PASSWD endpwent(); RETPUSHYES; #else DIE(no_func, "endpwent"); #endif } PP(pp_ggrnam) { #ifdef HAS_GROUP return pp_ggrent(ARGS); #else DIE(no_func, "getgrnam"); #endif } PP(pp_ggrgid) { #ifdef HAS_GROUP return pp_ggrent(ARGS); #else DIE(no_func, "getgrgid"); #endif } PP(pp_ggrent) { dSP; #ifdef HAS_GROUP I32 which = op->op_type; register char **elem; register SV *sv; struct group *grent; if (which == OP_GGRNAM) grent = (struct group *)getgrnam(POPp); else if (which == OP_GGRGID) grent = (struct group *)getgrgid(POPi); else grent = (struct group *)getgrent(); EXTEND(SP, 4); if (GIMME != G_ARRAY) { PUSHs(sv = sv_newmortal()); if (grent) { if (which == OP_GGRNAM) sv_setiv(sv, (I32)grent->gr_gid); else sv_setpv(sv, grent->gr_name); } RETURN; } if (grent) { PUSHs(sv = sv_mortalcopy(&sv_no)); sv_setpv(sv, grent->gr_name); PUSHs(sv = sv_mortalcopy(&sv_no)); sv_setpv(sv, grent->gr_passwd); PUSHs(sv = sv_mortalcopy(&sv_no)); sv_setiv(sv, (I32)grent->gr_gid); PUSHs(sv = sv_mortalcopy(&sv_no)); for (elem = grent->gr_mem; *elem; elem++) { sv_catpv(sv, *elem); if (elem[1]) sv_catpvn(sv, " ", 1); } } RETURN; #else DIE(no_func, "getgrent"); #endif } PP(pp_sgrent) { dSP; #ifdef HAS_GROUP setgrent(); RETPUSHYES; #else DIE(no_func, "setgrent"); #endif } PP(pp_egrent) { dSP; #ifdef HAS_GROUP endgrent(); RETPUSHYES; #else DIE(no_func, "endgrent"); #endif } PP(pp_getlogin) { dSP; dTARGET; #ifdef HAS_GETLOGIN char *tmps; EXTEND(SP, 1); if (!(tmps = getlogin())) RETPUSHUNDEF; PUSHp(tmps, strlen(tmps)); RETURN; #else DIE(no_func, "getlogin"); #endif } PP(pp_getcwd) { dSP; dTARGET; char tmpbuf[512]; EXTEND(SP, 1); if (getcwd(tmpbuf, sizeof(tmpbuf)) == NULL) RETPUSHUNDEF; PUSHp(tmpbuf, strlen(tmpbuf)); RETURN; } /* Miscellaneous. */ PP(pp_syscall) { #ifdef HAS_SYSCALL dSP; dMARK; dORIGMARK; dTARGET; register I32 items = SP - MARK; unsigned long a[20]; register I32 i = 0; I32 retval = -1; MAGIC *mg; if (tainting) { while (++MARK <= SP) { if (SvGMAGICAL(*MARK) && SvSMAGICAL(*MARK) && (mg = mg_find(*MARK, 't')) && mg->mg_len & 1) tainted = TRUE; } MARK = ORIGMARK; TAINT_PROPER("syscall"); } /* This probably won't work on machines where sizeof(long) != sizeof(int) * or where sizeof(long) != sizeof(char*). But such machines will * not likely have syscall implemented either, so who cares? */ while (++MARK <= SP) { if (SvNIOK(*MARK) || !i) a[i++] = SvIV(*MARK); else if (*MARK == &sv_undef) a[i++] = 0; else a[i++] = (unsigned long)SvPV_force(*MARK, na); if (i > 15) break; } switch (items) { default: DIE("Too many args to syscall"); case 0: DIE("Too few args to syscall"); case 1: retval = syscall(a[0]); break; case 2: retval = syscall(a[0],a[1]); break; case 3: retval = syscall(a[0],a[1],a[2]); break; case 4: retval = syscall(a[0],a[1],a[2],a[3]); break; case 5: retval = syscall(a[0],a[1],a[2],a[3],a[4]); break; case 6: retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]); break; case 7: retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]); break; case 8: retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]); break; #ifdef atarist case 9: retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]); break; case 10: retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]); break; case 11: retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], a[10]); break; case 12: retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], a[10],a[11]); break; case 13: retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], a[10],a[11],a[12]); break; case 14: retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], a[10],a[11],a[12],a[13]); break; #endif /* atarist */ } SP = ORIGMARK; PUSHi(retval); RETURN; #else DIE(no_func, "syscall"); #endif } #if !defined(HAS_FLOCK) && defined(HAS_LOCKF) /* XXX Emulate flock() with lockf(). This is just to increase portability of scripts. The calls are not completely interchangeable. What's really needed is a good file locking module. */ /* We might need because it sometimes defines the lockf() constants. Unfortunately, causes troubles on some mixed (BSD/POSIX) systems, such as SunOS 4.1.3. We could just try including here in this part of the file, but that might conflict with various other #defines and includes above, such as #define vfork fork above. Further, the lockf() constants aren't POSIX, so they might not be visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll just stick in the SVID values and be done with it. Sigh. */ # ifndef F_ULOCK # define F_ULOCK 0 /* Unlock a previously locked region */ # endif # ifndef F_LOCK # define F_LOCK 1 /* Lock a region for exclusive use */ # endif # ifndef F_TLOCK # define F_TLOCK 2 /* Test and lock a region for exclusive use */ # endif # ifndef F_TEST # define F_TEST 3 /* Test a region for other processes locks */ # endif /* These are the flock() constants. Since this sytems doesn't have flock(), the values of the constants are probably not available. */ # ifndef LOCK_SH # define LOCK_SH 1 # endif # ifndef LOCK_EX # define LOCK_EX 2 # endif # ifndef LOCK_NB # define LOCK_NB 4 # endif # ifndef LOCK_UN # define LOCK_UN 8 # endif int lockf_emulate_flock (fd, operation) int fd; int operation; { int i; switch (operation) { /* LOCK_SH - get a shared lock */ case LOCK_SH: /* LOCK_EX - get an exclusive lock */ case LOCK_EX: i = lockf (fd, F_LOCK, 0); break; /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */ case LOCK_SH|LOCK_NB: /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */ case LOCK_EX|LOCK_NB: i = lockf (fd, F_TLOCK, 0); if (i == -1) if ((errno == EAGAIN) || (errno == EACCES)) errno = EWOULDBLOCK; break; /* LOCK_UN - unlock */ case LOCK_UN: i = lockf (fd, F_ULOCK, 0); break; /* Default - can't decipher operation */ default: i = -1; errno = EINVAL; break; } return (i); } #endif