3 * Copyright (c) 1991-2000, Larry Wall
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
11 * But only a short way ahead its floor and the walls on either side were
12 * cloven by a great fissure, out of which the red glare came, now leaping
13 * up, now dying down into darkness; and all the while far below there was
14 * a rumour and a trouble as of great engines throbbing and labouring.
18 #define PERL_IN_PP_SYS_C
22 /* Shadow password support for solaris - pdo@cs.umd.edu
23 * Not just Solaris: at least HP-UX, IRIX, Linux.
24 * the API is from SysV. --jhi */
26 /* There is a MAXINT coming from <shadow.h> <- <hpsecurity.h> <- <values.h>
27 * and another MAXINT from "perl.h" <- <sys/param.h>. */
33 /* XXX If this causes problems, set i_unistd=undef in the hint file. */
40 extern "C" int syscall(unsigned long,...);
45 # include <sys/wait.h>
49 # include <sys/resource.h>
52 #if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
53 # include <sys/socket.h>
54 # if defined(USE_SOCKS) && defined(I_SOCKS)
62 # include <net/errno.h>
69 #include <sys/select.h>
73 /* XXX Configure test needed.
74 h_errno might not be a simple 'int', especially for multi-threaded
75 applications, see "extern int errno in perl.h". Creating such
76 a test requires taking into account the differences between
77 compiling multithreaded and singlethreaded ($ccflags et al).
78 HOST_NOT_FOUND is typically defined in <netdb.h>.
80 #if defined(HOST_NOT_FOUND) && !defined(h_errno) && !defined(__CYGWIN__)
88 struct passwd *getpwnam (char *);
89 struct passwd *getpwuid (Uid_t);
92 struct passwd *getpwent (void);
100 struct group *getgrnam (char *);
101 struct group *getgrgid (Gid_t);
104 struct group *getgrent (void);
109 # if defined(_MSC_VER) || defined(__MINGW32__)
110 # include <sys/utime.h>
116 /* Put this after #includes because fork and vfork prototypes may conflict. */
121 /* Put this after #includes because <unistd.h> defines _XOPEN_*. */
123 # if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
124 # define Sock_size_t Size_t
126 # define Sock_size_t int
131 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
134 # define my_chsize PerlLIO_chsize
139 #else /* no flock() */
141 /* fcntl.h might not have been included, even if it exists, because
142 the current Configure only sets I_FCNTL if it's needed to pick up
143 the *_OK constants. Make sure it has been included before testing
144 the fcntl() locking constants. */
145 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
149 # if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
150 # define FLOCK fcntl_emulate_flock
151 # define FCNTL_EMULATE_FLOCK
152 # else /* no flock() or fcntl(F_SETLK,...) */
154 # define FLOCK lockf_emulate_flock
155 # define LOCKF_EMULATE_FLOCK
157 # endif /* no flock() or fcntl(F_SETLK,...) */
160 static int FLOCK (int, int);
163 * These are the flock() constants. Since this sytems doesn't have
164 * flock(), the values of the constants are probably not available.
178 # endif /* emulating flock() */
180 #endif /* no flock() */
183 static char zero_but_true[ZBTLEN + 1] = "0 but true";
185 #if defined(I_SYS_ACCESS) && !defined(R_OK)
186 # include <sys/access.h>
189 #if defined(HAS_FCNTL) && defined(F_SETFD) && !defined(FD_CLOEXEC)
190 # define FD_CLOEXEC 1 /* NeXT needs this */
193 #undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */
194 #undef PERL_EFF_ACCESS_W_OK
195 #undef PERL_EFF_ACCESS_X_OK
197 /* F_OK unused: if stat() cannot find it... */
199 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
200 /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */
201 # define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK))
202 # define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK))
203 # define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK))
206 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS)
207 # if defined(I_SYS_SECURITY)
208 # include <sys/security.h>
210 /* XXX Configure test needed for eaccess */
213 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF))
214 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF))
215 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF))
218 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK))
219 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK))
220 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK))
224 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF)
226 # define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF))
227 # define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF))
228 # define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF))
231 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \
232 && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \
233 || defined(HAS_SETREGID) || defined(HAS_SETRESGID))
236 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
238 Uid_t ruid = getuid();
239 Uid_t euid = geteuid();
240 Gid_t rgid = getgid();
241 Gid_t egid = getegid();
245 #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
246 Perl_croak(aTHX_ "switching effective uid is not implemented");
249 if (setreuid(euid, ruid))
252 if (setresuid(euid, ruid, (Uid_t)-1))
255 Perl_croak(aTHX_ "entering effective uid failed");
258 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
259 Perl_croak(aTHX_ "switching effective gid is not implemented");
262 if (setregid(egid, rgid))
265 if (setresgid(egid, rgid, (Gid_t)-1))
268 Perl_croak(aTHX_ "entering effective gid failed");
271 res = access(path, mode);
274 if (setreuid(ruid, euid))
277 if (setresuid(ruid, euid, (Uid_t)-1))
280 Perl_croak(aTHX_ "leaving effective uid failed");
283 if (setregid(rgid, egid))
286 if (setresgid(rgid, egid, (Gid_t)-1))
289 Perl_croak(aTHX_ "leaving effective gid failed");
294 # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
295 # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
296 # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
299 #if !defined(PERL_EFF_ACCESS_R_OK)
301 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
303 Perl_croak(aTHX_ "switching effective uid is not implemented");
318 fp = PerlProc_popen(tmps, "r");
320 if (gimme == G_VOID) {
322 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
326 else if (gimme == G_SCALAR) {
327 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
328 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
339 if (sv_gets(sv, fp, 0) == Nullch) {
343 XPUSHs(sv_2mortal(sv));
344 if (SvLEN(sv) - SvCUR(sv) > 20) {
345 SvLEN_set(sv, SvCUR(sv)+1);
346 Renew(SvPVX(sv), SvLEN(sv), char);
351 STATUS_NATIVE_SET(PerlProc_pclose(fp));
352 TAINT; /* "I believe that this is not gratuitous!" */
355 STATUS_NATIVE_SET(-1);
356 if (gimme == G_SCALAR)
366 tryAMAGICunTARGET(iter, -1);
373 * The external globbing program may use things we can't control,
374 * so for security reasons we must assume the worst.
377 taint_proper(PL_no_security, "glob");
381 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
382 PL_last_in_gv = (GV*)*PL_stack_sp--;
384 SAVESPTR(PL_rs); /* This is not permanent, either. */
385 PL_rs = sv_2mortal(newSVpvn("\000", 1));
388 *SvPVX(PL_rs) = '\n';
392 result = do_readline();
397 #if 0 /* XXX never used! */
401 PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), n_a), TRUE,SVt_PVIO);
402 return do_readline();
408 PL_last_in_gv = cGVOP_gv;
409 return do_readline();
418 if (SP - MARK != 1) {
420 do_join(TARG, &PL_sv_no, MARK, SP);
427 tmps = SvPV(tmpsv, len);
430 (void)SvUPGRADE(error, SVt_PV);
431 if (SvPOK(error) && SvCUR(error))
432 sv_catpv(error, "\t...caught");
434 tmps = SvPV(tmpsv, len);
437 tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26));
439 Perl_warn(aTHX_ "%"SVf, tmpsv);
450 if (SP - MARK != 1) {
452 do_join(TARG, &PL_sv_no, MARK, SP);
454 tmps = SvPV(tmpsv, len);
460 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, len);
464 (void)SvUPGRADE(error, SVt_PV);
465 if (multiarg ? SvROK(error) : SvROK(tmpsv)) {
467 SvSetSV(error,tmpsv);
468 else if (sv_isobject(error)) {
469 HV *stash = SvSTASH(SvRV(error));
470 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
472 SV *file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0));
473 SV *line = sv_2mortal(newSViv(CopLINE(PL_curcop)));
480 call_sv((SV*)GvCV(gv),
481 G_SCALAR|G_EVAL|G_KEEPERR);
482 sv_setsv(error,*PL_stack_sp--);
488 if (SvPOK(error) && SvCUR(error))
489 sv_catpv(error, "\t...propagated");
491 tmps = SvPV(tmpsv, len);
495 tmpsv = sv_2mortal(newSVpvn("Died", 4));
497 DIE(aTHX_ "%"SVf, tmpsv);
520 DIE(aTHX_ PL_no_usym, "filehandle");
525 DIE(aTHX_ PL_no_usym, "filehandle");
527 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
529 if (mg = SvTIED_mg((SV*)gv, 'q')) {
531 XPUSHs(SvTIED_obj((SV*)gv, mg));
537 call_method("OPEN", G_SCALAR);
543 tmps = SvPV(sv, len);
544 if (do_open9(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, name, have_name))
545 PUSHi( (I32)PL_forkprocess );
546 else if (PL_forkprocess == 0) /* we are a new child */
564 if (mg = SvTIED_mg((SV*)gv, 'q')) {
566 XPUSHs(SvTIED_obj((SV*)gv, mg));
569 call_method("CLOSE", G_SCALAR);
575 PUSHs(boolSV(do_close(gv, TRUE)));
595 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
596 DIE(aTHX_ PL_no_usym, "filehandle");
601 do_close(rgv, FALSE);
603 do_close(wgv, FALSE);
605 if (PerlProc_pipe(fd) < 0)
608 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
609 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
610 IoIFP(wstio) = IoOFP(wstio);
614 if (!IoIFP(rstio) || !IoOFP(wstio)) {
615 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
616 else PerlLIO_close(fd[0]);
617 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
618 else PerlLIO_close(fd[1]);
621 #if defined(HAS_FCNTL) && defined(F_SETFD)
622 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
623 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
630 DIE(aTHX_ PL_no_func, "pipe");
646 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
648 XPUSHs(SvTIED_obj((SV*)gv, mg));
651 call_method("FILENO", G_SCALAR);
657 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
659 PUSHi(PerlIO_fileno(fp));
670 anum = PerlLIO_umask(0);
671 (void)PerlLIO_umask(anum);
674 anum = PerlLIO_umask(POPi);
675 TAINT_PROPER("umask");
678 /* Only DIE if trying to restrict permissions on `user' (self).
679 * Otherwise it's harmless and more useful to just return undef
680 * since 'group' and 'other' concepts probably don't exist here. */
681 if (MAXARG >= 1 && (POPi & 0700))
682 DIE(aTHX_ "umask not implemented");
683 XPUSHs(&PL_sv_undef);
701 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
703 XPUSHs(SvTIED_obj((SV*)gv, mg));
706 call_method("BINMODE", G_SCALAR);
713 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
716 if (do_binmode(fp,IoTYPE(io),TRUE))
731 I32 markoff = MARK - PL_stack_base;
738 switch(SvTYPE(varsv)) {
740 methname = "TIEHASH";
743 methname = "TIEARRAY";
746 methname = "TIEHANDLE";
750 methname = "TIESCALAR";
755 if (sv_isobject(*MARK)) {
757 PUSHSTACKi(PERLSI_MAGIC);
763 call_method(methname, G_SCALAR);
766 /* Not clear why we don't call call_method here too.
767 * perhaps to get different error message ?
769 stash = gv_stashsv(*MARK, FALSE);
770 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
771 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
772 methname, SvPV(*MARK,n_a));
775 PUSHSTACKi(PERLSI_MAGIC);
781 call_sv((SV*)GvCV(gv), G_SCALAR);
787 if (sv_isobject(sv)) {
788 sv_unmagic(varsv, how);
789 sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0);
792 SP = PL_stack_base + markoff;
801 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
803 if (ckWARN(WARN_UNTIE)) {
805 if (mg = SvTIED_mg(sv, how)) {
806 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
807 Perl_warner(aTHX_ WARN_UNTIE,
808 "untie attempted while %"UVuf" inner references still exist",
809 (UV)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
821 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
824 if (mg = SvTIED_mg(sv, how)) {
825 SV *osv = SvTIED_obj(sv, mg);
826 if (osv == mg->mg_obj)
827 osv = sv_mortalcopy(osv);
845 sv = sv_mortalcopy(&PL_sv_no);
846 sv_setpv(sv, "AnyDBM_File");
847 stash = gv_stashsv(sv, FALSE);
848 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
850 require_pv("AnyDBM_File.pm");
852 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
853 DIE(aTHX_ "No dbm on this machine");
863 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
865 PUSHs(sv_2mortal(newSViv(O_RDWR)));
868 call_sv((SV*)GvCV(gv), G_SCALAR);
871 if (!sv_isobject(TOPs)) {
876 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
879 call_sv((SV*)GvCV(gv), G_SCALAR);
883 if (sv_isobject(TOPs)) {
884 sv_unmagic((SV *) hv, 'P');
885 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
907 struct timeval timebuf;
908 struct timeval *tbuf = &timebuf;
912 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
917 # if BYTEORDER & 0xf0000
918 # define ORDERBYTE (0x88888888 - BYTEORDER)
920 # define ORDERBYTE (0x4444 - BYTEORDER)
926 for (i = 1; i <= 3; i++) {
934 /* little endians can use vecs directly */
935 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
936 # if SELECT_MIN_BITS > 1
937 /* If SELECT_MIN_BITS is greater than one we most probably will want
938 * to align the sizes with SELECT_MIN_BITS/8 because for example
939 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
940 * UNIX, Solaris, NeXT, Rhapsody) the smallest quantum select() operates
941 * on (sets/tests/clears bits) is 32 bits. */
942 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
944 growsize = sizeof(fd_set);
953 masksize = NFDBITS / NBBY;
955 masksize = sizeof(long); /* documented int, everyone seems to use long */
957 growsize = maxlen + (masksize - (maxlen % masksize));
958 Zero(&fd_sets[0], 4, char*);
966 timebuf.tv_sec = (long)value;
967 value -= (NV)timebuf.tv_sec;
968 timebuf.tv_usec = (long)(value * 1000000.0);
971 tbuf = Null(struct timeval*);
973 for (i = 1; i <= 3; i++) {
980 SvPV_force(sv,n_a); /* force string conversion */
983 Sv_Grow(sv, growsize);
987 while (++j <= growsize) {
991 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
993 New(403, fd_sets[i], growsize, char);
994 for (offset = 0; offset < growsize; offset += masksize) {
995 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
996 fd_sets[i][j+offset] = s[(k % masksize) + offset];
999 fd_sets[i] = SvPVX(sv);
1003 nfound = PerlSock_select(
1005 (Select_fd_set_t) fd_sets[1],
1006 (Select_fd_set_t) fd_sets[2],
1007 (Select_fd_set_t) fd_sets[3],
1009 for (i = 1; i <= 3; i++) {
1012 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1014 for (offset = 0; offset < growsize; offset += masksize) {
1015 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1016 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1018 Safefree(fd_sets[i]);
1025 if (GIMME == G_ARRAY && tbuf) {
1026 value = (NV)(timebuf.tv_sec) +
1027 (NV)(timebuf.tv_usec) / 1000000.0;
1028 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1029 sv_setnv(sv, value);
1033 DIE(aTHX_ "select not implemented");
1038 Perl_setdefout(pTHX_ GV *gv)
1042 (void)SvREFCNT_inc(gv);
1044 SvREFCNT_dec(PL_defoutgv);
1051 GV *newdefout, *egv;
1054 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1056 egv = GvEGV(PL_defoutgv);
1061 XPUSHs(&PL_sv_undef);
1063 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1064 if (gvp && *gvp == egv) {
1065 gv_efullname3(TARG, PL_defoutgv, Nullch);
1069 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1074 if (!GvIO(newdefout))
1075 gv_IOadd(newdefout);
1076 setdefout(newdefout);
1093 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1094 I32 gimme = GIMME_V;
1096 XPUSHs(SvTIED_obj((SV*)gv, mg));
1099 call_method("GETC", gimme);
1102 if (gimme == G_SCALAR)
1103 SvSetMagicSV_nosteal(TARG, TOPs);
1106 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1109 sv_setpv(TARG, " ");
1110 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1117 return pp_sysread();
1121 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1124 register PERL_CONTEXT *cx;
1125 I32 gimme = GIMME_V;
1126 AV* padlist = CvPADLIST(cv);
1127 SV** svp = AvARRAY(padlist);
1133 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1135 SAVEVPTR(PL_curpad);
1136 PL_curpad = AvARRAY((AV*)svp[1]);
1138 setdefout(gv); /* locally select filehandle so $% et al work */
1170 SV *tmpsv = sv_newmortal();
1171 gv_efullname3(tmpsv, fgv, Nullch);
1172 DIE(aTHX_ "Undefined format \"%s\" called",SvPVX(tmpsv));
1174 DIE(aTHX_ "Not a format reference");
1177 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1179 IoFLAGS(io) &= ~IOf_DIDTOP;
1180 return doform(cv,gv,PL_op->op_next);
1186 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1187 register IO *io = GvIOp(gv);
1188 PerlIO *ofp = IoOFP(io);
1192 register PERL_CONTEXT *cx;
1194 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1195 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1196 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1197 PL_formtarget != PL_toptarget)
1201 if (!IoTOP_GV(io)) {
1205 if (!IoTOP_NAME(io)) {
1206 if (!IoFMT_NAME(io))
1207 IoFMT_NAME(io) = savepv(GvNAME(gv));
1208 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1209 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1210 if ((topgv && GvFORM(topgv)) ||
1211 !gv_fetchpv("top",FALSE,SVt_PVFM))
1212 IoTOP_NAME(io) = savepv(SvPVX(topname));
1214 IoTOP_NAME(io) = savepv("top");
1216 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1217 if (!topgv || !GvFORM(topgv)) {
1218 IoLINES_LEFT(io) = 100000000;
1221 IoTOP_GV(io) = topgv;
1223 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1224 I32 lines = IoLINES_LEFT(io);
1225 char *s = SvPVX(PL_formtarget);
1226 if (lines <= 0) /* Yow, header didn't even fit!!! */
1228 while (lines-- > 0) {
1229 s = strchr(s, '\n');
1235 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1236 sv_chop(PL_formtarget, s);
1237 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1240 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1241 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1242 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1244 PL_formtarget = PL_toptarget;
1245 IoFLAGS(io) |= IOf_DIDTOP;
1248 DIE(aTHX_ "bad top format reference");
1251 SV *tmpsv = sv_newmortal();
1252 gv_efullname3(tmpsv, fgv, Nullch);
1253 DIE(aTHX_ "Undefined top format \"%s\" called",SvPVX(tmpsv));
1256 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1257 return doform(cv,gv,PL_op);
1261 POPBLOCK(cx,PL_curpm);
1267 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1269 SV* sv = sv_newmortal();
1270 gv_efullname3(sv, gv, Nullch);
1271 Perl_warner(aTHX_ WARN_IO,
1272 "Filehandle %s opened only for input",
1275 else if (ckWARN(WARN_CLOSED))
1276 report_closed_fh(gv, io, "write", "filehandle");
1281 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1282 if (ckWARN(WARN_IO))
1283 Perl_warner(aTHX_ WARN_IO, "page overflow");
1285 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1289 FmLINES(PL_formtarget) = 0;
1290 SvCUR_set(PL_formtarget, 0);
1291 *SvEND(PL_formtarget) = '\0';
1292 if (IoFLAGS(io) & IOf_FLUSH)
1293 (void)PerlIO_flush(fp);
1297 PL_formtarget = PL_bodytarget;
1299 return pop_return();
1304 djSP; dMARK; dORIGMARK;
1312 if (PL_op->op_flags & OPf_STACKED)
1317 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1318 if (MARK == ORIGMARK) {
1321 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1325 *MARK = SvTIED_obj((SV*)gv, mg);
1328 call_method("PRINTF", G_SCALAR);
1331 MARK = ORIGMARK + 1;
1338 if (!(io = GvIO(gv))) {
1339 if (ckWARN(WARN_UNOPENED)) {
1340 gv_efullname3(sv, gv, Nullch);
1341 Perl_warner(aTHX_ WARN_UNOPENED,
1342 "Filehandle %s never opened", SvPV(sv,n_a));
1344 SETERRNO(EBADF,RMS$_IFI);
1347 else if (!(fp = IoOFP(io))) {
1348 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1350 gv_efullname3(sv, gv, Nullch);
1351 Perl_warner(aTHX_ WARN_IO,
1352 "Filehandle %s opened only for input",
1355 else if (ckWARN(WARN_CLOSED))
1356 report_closed_fh(gv, io, "printf", "filehandle");
1358 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1362 do_sprintf(sv, SP - MARK, MARK + 1);
1363 if (!do_print(sv, fp))
1366 if (IoFLAGS(io) & IOf_FLUSH)
1367 if (PerlIO_flush(fp) == EOF)
1378 PUSHs(&PL_sv_undef);
1399 /* Need TIEHANDLE method ? */
1401 tmps = SvPV(sv, len);
1402 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1403 IoLINES(GvIOp(gv)) = 0;
1407 PUSHs(&PL_sv_undef);
1414 djSP; dMARK; dORIGMARK; dTARGET;
1420 Sock_size_t bufsize;
1426 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1427 (mg = SvTIED_mg((SV*)gv, 'q')))
1432 *MARK = SvTIED_obj((SV*)gv, mg);
1434 call_method("READ", G_SCALAR);
1447 sv_setpvn(bufsv, "", 0);
1448 buffer = SvPV_force(bufsv, blen);
1449 length = SvIVx(*++MARK);
1451 DIE(aTHX_ "Negative length");
1454 offset = SvIVx(*++MARK);
1458 if (!io || !IoIFP(io))
1461 if (PL_op->op_type == OP_RECV) {
1462 char namebuf[MAXPATHLEN];
1463 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1464 bufsize = sizeof (struct sockaddr_in);
1466 bufsize = sizeof namebuf;
1468 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1472 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1476 buffer = SvGROW(bufsv, length+1);
1477 /* 'offset' means 'flags' here */
1478 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1479 (struct sockaddr *)namebuf, &bufsize);
1482 SvCUR_set(bufsv, length);
1483 *SvEND(bufsv) = '\0';
1484 (void)SvPOK_only(bufsv);
1486 /* This should not be marked tainted if the fp is marked clean */
1487 if (!(IoFLAGS(io) & IOf_UNTAINT))
1488 SvTAINTED_on(bufsv);
1490 sv_setpvn(TARG, namebuf, bufsize);
1495 if (PL_op->op_type == OP_RECV)
1496 DIE(aTHX_ PL_no_sock_func, "recv");
1500 DIE(aTHX_ "Offset outside string");
1503 bufsize = SvCUR(bufsv);
1504 buffer = SvGROW(bufsv, length+offset+1);
1505 if (offset > bufsize) { /* Zero any newly allocated space */
1506 Zero(buffer+bufsize, offset-bufsize, char);
1508 if (PL_op->op_type == OP_SYSREAD) {
1509 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1510 if (IoTYPE(io) == 's') {
1511 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1512 buffer+offset, length, 0);
1517 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1518 buffer+offset, length);
1522 #ifdef HAS_SOCKET__bad_code_maybe
1523 if (IoTYPE(io) == 's') {
1524 char namebuf[MAXPATHLEN];
1525 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1526 bufsize = sizeof (struct sockaddr_in);
1528 bufsize = sizeof namebuf;
1530 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1531 (struct sockaddr *)namebuf, &bufsize);
1536 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1537 /* fread() returns 0 on both error and EOF */
1538 if (length == 0 && PerlIO_error(IoIFP(io)))
1542 if ((IoTYPE(io) == '>' || IoIFP(io) == PerlIO_stdout()
1543 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1545 SV* sv = sv_newmortal();
1546 gv_efullname3(sv, gv, Nullch);
1547 Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for output",
1552 SvCUR_set(bufsv, length+offset);
1553 *SvEND(bufsv) = '\0';
1554 (void)SvPOK_only(bufsv);
1556 /* This should not be marked tainted if the fp is marked clean */
1557 if (!(IoFLAGS(io) & IOf_UNTAINT))
1558 SvTAINTED_on(bufsv);
1571 int items = (SP - PL_stack_base) - TOPMARK;
1575 sv = sv_2mortal(newSViv(sv_len(*SP)));
1584 djSP; dMARK; dORIGMARK; dTARGET;
1595 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1599 *MARK = SvTIED_obj((SV*)gv, mg);
1601 call_method("WRITE", G_SCALAR);
1612 buffer = SvPV(bufsv, blen);
1613 #if Off_t_SIZE > IVSIZE
1614 length = SvNVx(*++MARK);
1616 length = SvIVx(*++MARK);
1619 DIE(aTHX_ "Negative length");
1622 if (!io || !IoIFP(io)) {
1624 if (ckWARN(WARN_CLOSED)) {
1625 if (PL_op->op_type == OP_SYSWRITE)
1626 report_closed_fh(gv, io, "syswrite", "filehandle");
1628 report_closed_fh(gv, io, "send", "socket");
1631 else if (PL_op->op_type == OP_SYSWRITE) {
1633 #if Off_t_SIZE > IVSIZE
1634 offset = SvNVx(*++MARK);
1636 offset = SvIVx(*++MARK);
1640 DIE(aTHX_ "Offset outside string");
1642 } else if (offset >= blen && blen > 0)
1643 DIE(aTHX_ "Offset outside string");
1646 if (length > blen - offset)
1647 length = blen - offset;
1648 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1649 if (IoTYPE(io) == 's') {
1650 length = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1651 buffer+offset, length, 0);
1656 /* See the note at doio.c:do_print about filesize limits. --jhi */
1657 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1658 buffer+offset, length);
1662 else if (SP > MARK) {
1665 sockbuf = SvPVx(*++MARK, mlen);
1666 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1667 (struct sockaddr *)sockbuf, mlen);
1670 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1674 DIE(aTHX_ PL_no_sock_func, "send");
1689 return pp_sysread();
1699 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1701 gv = PL_last_in_gv = PL_argvgv;
1703 if (io && !IoIFP(io)) {
1704 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1706 IoFLAGS(io) &= ~IOf_START;
1707 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1708 sv_setpvn(GvSV(gv), "-", 1);
1709 SvSETMAGIC(GvSV(gv));
1711 else if (!nextargv(gv))
1716 gv = PL_last_in_gv; /* eof */
1719 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1721 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1723 XPUSHs(SvTIED_obj((SV*)gv, mg));
1726 call_method("EOF", G_SCALAR);
1732 PUSHs(boolSV(!gv || do_eof(gv)));
1745 gv = PL_last_in_gv = (GV*)POPs;
1747 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1749 XPUSHs(SvTIED_obj((SV*)gv, mg));
1752 call_method("TELL", G_SCALAR);
1758 #if LSEEKSIZE > IVSIZE
1759 PUSHn( do_tell(gv) );
1761 PUSHi( do_tell(gv) );
1768 return pp_sysseek();
1776 #if LSEEKSIZE > IVSIZE
1777 Off_t offset = (Off_t)SvNVx(POPs);
1779 Off_t offset = (Off_t)SvIVx(POPs);
1783 gv = PL_last_in_gv = (GV*)POPs;
1785 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1787 XPUSHs(SvTIED_obj((SV*)gv, mg));
1788 #if LSEEKSIZE > IVSIZE
1789 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1791 XPUSHs(sv_2mortal(newSViv((IV) offset)));
1793 XPUSHs(sv_2mortal(newSViv((IV) whence)));
1796 call_method("SEEK", G_SCALAR);
1802 if (PL_op->op_type == OP_SEEK)
1803 PUSHs(boolSV(do_seek(gv, offset, whence)));
1805 Off_t n = do_sysseek(gv, offset, whence);
1807 PUSHs(&PL_sv_undef);
1810 #if LSEEKSIZE > IVSIZE
1815 : newSVpvn(zero_but_true, ZBTLEN);
1816 PUSHs(sv_2mortal(sv));
1825 Off_t len = (Off_t)POPn;
1831 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1832 if (PL_op->op_flags & OPf_SPECIAL) {
1833 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1835 TAINT_PROPER("truncate");
1836 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
1839 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
1841 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1843 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1853 if (SvTYPE(sv) == SVt_PVGV) {
1854 tmpgv = (GV*)sv; /* *main::FRED for example */
1857 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1858 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1862 name = SvPV(sv, n_a);
1863 TAINT_PROPER("truncate");
1865 if (truncate(name, len) < 0)
1870 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1873 if (my_chsize(tmpfd, len) < 0)
1875 PerlLIO_close(tmpfd);
1884 SETERRNO(EBADF,RMS$_IFI);
1887 DIE(aTHX_ "truncate not implemented");
1900 unsigned int func = U_I(POPn);
1901 int optype = PL_op->op_type;
1907 if (!io || !argsv || !IoIFP(io)) {
1908 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1912 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1915 s = SvPV_force(argsv, len);
1916 need = IOCPARM_LEN(func);
1918 s = Sv_Grow(argsv, need + 1);
1919 SvCUR_set(argsv, need);
1922 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1925 retval = SvIV(argsv);
1926 s = INT2PTR(char*,retval); /* ouch */
1929 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1931 if (optype == OP_IOCTL)
1933 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1935 DIE(aTHX_ "ioctl is not implemented");
1939 #if defined(OS2) && defined(__EMX__)
1940 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1942 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1945 DIE(aTHX_ "fcntl is not implemented");
1949 if (s[SvCUR(argsv)] != 17)
1950 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
1951 PL_op_name[optype]);
1952 s[SvCUR(argsv)] = 0; /* put our null back */
1953 SvSETMAGIC(argsv); /* Assume it has changed */
1962 PUSHp(zero_but_true, ZBTLEN);
1982 fp = IoIFP(GvIOp(gv));
1986 (void)PerlIO_flush(fp);
1987 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1991 SETERRNO(EBADF,RMS$_IFI);
1992 if (ckWARN(WARN_CLOSED))
1993 report_closed_fh(gv, GvIO(gv), "flock", "filehandle");
1998 DIE(aTHX_ PL_no_func, "flock()");
2010 int protocol = POPi;
2018 SETERRNO(EBADF,LIB$_INVARG);
2024 do_close(gv, FALSE);
2026 TAINT_PROPER("socket");
2027 fd = PerlSock_socket(domain, type, protocol);
2030 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2031 IoOFP(io) = PerlIO_fdopen(fd, "w");
2033 if (!IoIFP(io) || !IoOFP(io)) {
2034 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2035 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2036 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2039 #if defined(HAS_FCNTL) && defined(F_SETFD)
2040 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2045 DIE(aTHX_ PL_no_sock_func, "socket");
2052 #ifdef HAS_SOCKETPAIR
2057 int protocol = POPi;
2070 do_close(gv1, FALSE);
2072 do_close(gv2, FALSE);
2074 TAINT_PROPER("socketpair");
2075 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2077 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2078 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2080 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2081 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2083 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2084 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2085 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2086 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2087 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2088 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2089 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2092 #if defined(HAS_FCNTL) && defined(F_SETFD)
2093 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2094 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2099 DIE(aTHX_ PL_no_sock_func, "socketpair");
2107 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2108 extern GETPRIVMODE();
2109 extern GETUSERMODE();
2114 register IO *io = GvIOn(gv);
2118 int mpeprivmode = 0;
2121 if (!io || !IoIFP(io))
2124 addr = SvPV(addrsv, len);
2125 TAINT_PROPER("bind");
2126 #ifdef MPE /* Deal with MPE bind() peculiarities */
2127 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2128 /* The address *MUST* stupidly be zero. */
2129 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2130 /* PRIV mode is required to bind() to ports < 1024. */
2131 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2132 ((struct sockaddr_in *)addr)->sin_port > 0) {
2133 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2138 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2139 (struct sockaddr *)addr, len) >= 0)
2142 #ifdef MPE /* Switch back to USER mode */
2153 if (ckWARN(WARN_CLOSED))
2154 report_closed_fh(gv, io, "bind", "socket");
2155 SETERRNO(EBADF,SS$_IVCHAN);
2158 DIE(aTHX_ PL_no_sock_func, "bind");
2169 register IO *io = GvIOn(gv);
2172 if (!io || !IoIFP(io))
2175 addr = SvPV(addrsv, len);
2176 TAINT_PROPER("connect");
2177 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2183 if (ckWARN(WARN_CLOSED))
2184 report_closed_fh(gv, io, "connect", "socket");
2185 SETERRNO(EBADF,SS$_IVCHAN);
2188 DIE(aTHX_ PL_no_sock_func, "connect");
2198 register IO *io = GvIOn(gv);
2200 if (!io || !IoIFP(io))
2203 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2209 if (ckWARN(WARN_CLOSED))
2210 report_closed_fh(gv, io, "listen", "socket");
2211 SETERRNO(EBADF,SS$_IVCHAN);
2214 DIE(aTHX_ PL_no_sock_func, "listen");
2226 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2227 Sock_size_t len = sizeof saddr;
2239 if (!gstio || !IoIFP(gstio))
2244 do_close(ngv, FALSE);
2246 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2249 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2250 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2251 IoTYPE(nstio) = 's';
2252 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2253 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2254 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2255 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2258 #if defined(HAS_FCNTL) && defined(F_SETFD)
2259 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2262 PUSHp((char *)&saddr, len);
2266 if (ckWARN(WARN_CLOSED))
2267 report_closed_fh(ggv, ggv ? GvIO(ggv) : 0, "accept", "socket");
2268 SETERRNO(EBADF,SS$_IVCHAN);
2274 DIE(aTHX_ PL_no_sock_func, "accept");
2284 register IO *io = GvIOn(gv);
2286 if (!io || !IoIFP(io))
2289 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2293 if (ckWARN(WARN_CLOSED))
2294 report_closed_fh(gv, io, "shutdown", "socket");
2295 SETERRNO(EBADF,SS$_IVCHAN);
2298 DIE(aTHX_ PL_no_sock_func, "shutdown");
2305 return pp_ssockopt();
2307 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2315 int optype = PL_op->op_type;
2318 unsigned int optname;
2324 if (optype == OP_GSOCKOPT)
2325 sv = sv_2mortal(NEWSV(22, 257));
2328 optname = (unsigned int) POPi;
2329 lvl = (unsigned int) POPi;
2333 if (!io || !IoIFP(io))
2336 fd = PerlIO_fileno(IoIFP(io));
2340 (void)SvPOK_only(sv);
2344 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2359 aint = (int)SvIV(sv);
2363 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2372 if (ckWARN(WARN_CLOSED))
2373 report_closed_fh(gv, io,
2374 optype == OP_GSOCKOPT ? "getsockopt" : "setsockopt",
2376 SETERRNO(EBADF,SS$_IVCHAN);
2381 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2388 return pp_getpeername();
2390 DIE(aTHX_ PL_no_sock_func, "getsockname");
2398 int optype = PL_op->op_type;
2402 register IO *io = GvIOn(gv);
2405 if (!io || !IoIFP(io))
2408 sv = sv_2mortal(NEWSV(22, 257));
2409 (void)SvPOK_only(sv);
2413 fd = PerlIO_fileno(IoIFP(io));
2415 case OP_GETSOCKNAME:
2416 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2419 case OP_GETPEERNAME:
2420 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2422 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2424 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2425 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2426 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2427 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2428 sizeof(u_short) + sizeof(struct in_addr))) {
2435 #ifdef BOGUS_GETNAME_RETURN
2436 /* Interactive Unix, getpeername() and getsockname()
2437 does not return valid namelen */
2438 if (len == BOGUS_GETNAME_RETURN)
2439 len = sizeof(struct sockaddr);
2447 if (ckWARN(WARN_CLOSED))
2448 report_closed_fh(gv, io,
2449 optype == OP_GETSOCKNAME ? "getsockname"
2452 SETERRNO(EBADF,SS$_IVCHAN);
2457 DIE(aTHX_ PL_no_sock_func, "getpeername");
2476 if (PL_op->op_flags & OPf_REF) {
2479 if (tmpgv != PL_defgv) {
2480 PL_laststype = OP_STAT;
2482 sv_setpv(PL_statname, "");
2483 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2484 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2486 if (PL_laststatval < 0)
2491 if (SvTYPE(sv) == SVt_PVGV) {
2495 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2496 tmpgv = (GV*)SvRV(sv);
2499 sv_setpv(PL_statname, SvPV(sv,n_a));
2502 PL_laststype = PL_op->op_type;
2503 if (PL_op->op_type == OP_LSTAT)
2504 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2507 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2508 if (PL_laststatval < 0) {
2509 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2510 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2516 if (gimme != G_ARRAY) {
2517 if (gimme != G_VOID)
2518 XPUSHs(boolSV(max));
2524 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2525 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2526 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mode)));
2527 PUSHs(sv_2mortal(newSViv(PL_statcache.st_nlink)));
2528 #if Uid_t_size > IVSIZE
2529 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2531 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2533 #if Gid_t_size > IVSIZE
2534 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2536 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2538 #ifdef USE_STAT_RDEV
2539 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2541 PUSHs(sv_2mortal(newSVpvn("", 0)));
2543 #if Off_t_size > IVSIZE
2544 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2546 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2549 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2550 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2551 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2553 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2554 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2555 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2557 #ifdef USE_STAT_BLOCKS
2558 PUSHs(sv_2mortal(newSViv(PL_statcache.st_blksize)));
2559 PUSHs(sv_2mortal(newSViv(PL_statcache.st_blocks)));
2561 PUSHs(sv_2mortal(newSVpvn("", 0)));
2562 PUSHs(sv_2mortal(newSVpvn("", 0)));
2572 #if defined(HAS_ACCESS) && defined(R_OK)
2574 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2575 result = access(TOPpx, R_OK);
2590 if (cando(S_IRUSR, 0, &PL_statcache))
2599 #if defined(HAS_ACCESS) && defined(W_OK)
2601 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2602 result = access(TOPpx, W_OK);
2617 if (cando(S_IWUSR, 0, &PL_statcache))
2626 #if defined(HAS_ACCESS) && defined(X_OK)
2628 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2629 result = access(TOPpx, X_OK);
2644 if (cando(S_IXUSR, 0, &PL_statcache))
2653 #ifdef PERL_EFF_ACCESS_R_OK
2655 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2656 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2671 if (cando(S_IRUSR, 1, &PL_statcache))
2680 #ifdef PERL_EFF_ACCESS_W_OK
2682 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2683 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2698 if (cando(S_IWUSR, 1, &PL_statcache))
2707 #ifdef PERL_EFF_ACCESS_X_OK
2709 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2710 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2725 if (cando(S_IXUSR, 1, &PL_statcache))
2732 I32 result = my_stat();
2741 return pp_ftrowned();
2746 I32 result = my_stat();
2750 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2758 I32 result = my_stat();
2762 if (PL_statcache.st_size == 0)
2769 I32 result = my_stat();
2773 #if Off_t_size > IVSIZE
2774 PUSHn(PL_statcache.st_size);
2776 PUSHi(PL_statcache.st_size);
2783 I32 result = my_stat();
2787 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2793 I32 result = my_stat();
2797 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2803 I32 result = my_stat();
2807 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
2813 I32 result = my_stat();
2817 if (S_ISSOCK(PL_statcache.st_mode))
2824 I32 result = my_stat();
2828 if (S_ISCHR(PL_statcache.st_mode))
2835 I32 result = my_stat();
2839 if (S_ISBLK(PL_statcache.st_mode))
2846 I32 result = my_stat();
2850 if (S_ISREG(PL_statcache.st_mode))
2857 I32 result = my_stat();
2861 if (S_ISDIR(PL_statcache.st_mode))
2868 I32 result = my_stat();
2872 if (S_ISFIFO(PL_statcache.st_mode))
2879 I32 result = my_lstat();
2883 if (S_ISLNK(PL_statcache.st_mode))
2892 I32 result = my_stat();
2896 if (PL_statcache.st_mode & S_ISUID)
2906 I32 result = my_stat();
2910 if (PL_statcache.st_mode & S_ISGID)
2920 I32 result = my_stat();
2924 if (PL_statcache.st_mode & S_ISVTX)
2935 char *tmps = Nullch;
2938 if (PL_op->op_flags & OPf_REF)
2940 else if (isGV(TOPs))
2942 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2943 gv = (GV*)SvRV(POPs);
2945 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2947 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2948 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2949 else if (tmps && isDIGIT(*tmps))
2953 if (PerlLIO_isatty(fd))
2958 #if defined(atarist) /* this will work with atariST. Configure will
2959 make guesses for other systems. */
2960 # define FILE_base(f) ((f)->_base)
2961 # define FILE_ptr(f) ((f)->_ptr)
2962 # define FILE_cnt(f) ((f)->_cnt)
2963 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2973 register STDCHAR *s;
2980 if (PL_op->op_flags & OPf_REF)
2982 else if (isGV(TOPs))
2984 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2985 gv = (GV*)SvRV(POPs);
2991 if (gv == PL_defgv) {
2993 io = GvIO(PL_statgv);
2996 goto really_filename;
3001 PL_laststatval = -1;
3002 sv_setpv(PL_statname, "");
3003 io = GvIO(PL_statgv);
3005 if (io && IoIFP(io)) {
3006 if (! PerlIO_has_base(IoIFP(io)))
3007 DIE(aTHX_ "-T and -B not implemented on filehandles");
3008 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3009 if (PL_laststatval < 0)
3011 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
3012 if (PL_op->op_type == OP_FTTEXT)
3016 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3017 i = PerlIO_getc(IoIFP(io));
3019 (void)PerlIO_ungetc(IoIFP(io),i);
3021 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3023 len = PerlIO_get_bufsiz(IoIFP(io));
3024 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3025 /* sfio can have large buffers - limit to 512 */
3030 if (ckWARN(WARN_UNOPENED)) {
3032 Perl_warner(aTHX_ WARN_UNOPENED, "Test on unopened file <%s>",
3035 SETERRNO(EBADF,RMS$_IFI);
3043 PL_laststatval = -1;
3044 sv_setpv(PL_statname, SvPV(sv, n_a));
3045 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3046 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3047 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3050 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3051 if (PL_laststatval < 0) {
3052 (void)PerlIO_close(fp);
3055 do_binmode(fp, '<', TRUE);
3056 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3057 (void)PerlIO_close(fp);
3059 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3060 RETPUSHNO; /* special case NFS directories */
3061 RETPUSHYES; /* null file is anything */
3066 /* now scan s to look for textiness */
3067 /* XXX ASCII dependent code */
3069 #if defined(DOSISH) || defined(USEMYBINMODE)
3070 /* ignore trailing ^Z on short files */
3071 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3075 for (i = 0; i < len; i++, s++) {
3076 if (!*s) { /* null never allowed in text */
3081 else if (!(isPRINT(*s) || isSPACE(*s)))
3084 else if (*s & 128) {
3086 if (!(PL_op->op_private & OPpLOCALE) || !isALPHA_LC(*s))
3091 *s != '\n' && *s != '\r' && *s != '\b' &&
3092 *s != '\t' && *s != '\f' && *s != 27)
3097 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3121 if (!tmps || !*tmps) {
3122 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3124 tmps = SvPV(*svp, n_a);
3126 if (!tmps || !*tmps) {
3127 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3129 tmps = SvPV(*svp, n_a);
3132 if (!tmps || !*tmps) {
3133 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3135 tmps = SvPV(*svp, n_a);
3138 TAINT_PROPER("chdir");
3139 PUSHi( PerlDir_chdir(tmps) >= 0 );
3141 /* Clear the DEFAULT element of ENV so we'll get the new value
3143 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3150 djSP; dMARK; dTARGET;
3153 value = (I32)apply(PL_op->op_type, MARK, SP);
3158 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3169 TAINT_PROPER("chroot");
3170 PUSHi( chroot(tmps) >= 0 );
3173 DIE(aTHX_ PL_no_func, "chroot");
3179 djSP; dMARK; dTARGET;
3181 value = (I32)apply(PL_op->op_type, MARK, SP);
3189 djSP; dMARK; dTARGET;
3191 value = (I32)apply(PL_op->op_type, MARK, SP);
3199 djSP; dMARK; dTARGET;
3201 value = (I32)apply(PL_op->op_type, MARK, SP);
3213 char *tmps2 = POPpx;
3214 char *tmps = SvPV(TOPs, n_a);
3215 TAINT_PROPER("rename");
3217 anum = PerlLIO_rename(tmps, tmps2);
3219 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3220 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3223 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3224 (void)UNLINK(tmps2);
3225 if (!(anum = link(tmps, tmps2)))
3226 anum = UNLINK(tmps);
3239 char *tmps2 = POPpx;
3240 char *tmps = SvPV(TOPs, n_a);
3241 TAINT_PROPER("link");
3242 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3244 DIE(aTHX_ PL_no_func, "Unsupported function link");
3254 char *tmps2 = POPpx;
3255 char *tmps = SvPV(TOPs, n_a);
3256 TAINT_PROPER("symlink");
3257 SETi( symlink(tmps, tmps2) >= 0 );
3260 DIE(aTHX_ PL_no_func, "symlink");
3269 char buf[MAXPATHLEN];
3273 #ifndef INCOMPLETE_TAINTS
3277 len = readlink(tmps, buf, sizeof buf);
3285 RETSETUNDEF; /* just pretend it's a normal file */
3289 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3291 S_dooneliner(pTHX_ char *cmd, char *filename)
3293 char *save_filename = filename;
3299 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3300 strcpy(cmdline, cmd);
3301 strcat(cmdline, " ");
3302 for (s = cmdline + strlen(cmdline); *filename; ) {
3307 myfp = PerlProc_popen(cmdline, "r");
3311 SV *tmpsv = sv_newmortal();
3312 /* Need to save/restore 'PL_rs' ?? */
3313 s = sv_gets(tmpsv, myfp, 0);
3314 (void)PerlProc_pclose(myfp);
3318 #ifdef HAS_SYS_ERRLIST
3323 /* you don't see this */
3325 #ifdef HAS_SYS_ERRLIST
3333 if (instr(s, errmsg)) {
3340 #define EACCES EPERM
3342 if (instr(s, "cannot make"))
3343 SETERRNO(EEXIST,RMS$_FEX);
3344 else if (instr(s, "existing file"))
3345 SETERRNO(EEXIST,RMS$_FEX);
3346 else if (instr(s, "ile exists"))
3347 SETERRNO(EEXIST,RMS$_FEX);
3348 else if (instr(s, "non-exist"))
3349 SETERRNO(ENOENT,RMS$_FNF);
3350 else if (instr(s, "does not exist"))
3351 SETERRNO(ENOENT,RMS$_FNF);
3352 else if (instr(s, "not empty"))
3353 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3354 else if (instr(s, "cannot access"))
3355 SETERRNO(EACCES,RMS$_PRV);
3357 SETERRNO(EPERM,RMS$_PRV);
3360 else { /* some mkdirs return no failure indication */
3361 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3362 if (PL_op->op_type == OP_RMDIR)
3367 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3391 tmps = SvPV(TOPs, n_a);
3393 TAINT_PROPER("mkdir");
3395 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3397 SETi( dooneliner("mkdir", tmps) );
3398 oldumask = PerlLIO_umask(0);
3399 PerlLIO_umask(oldumask);
3400 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3412 TAINT_PROPER("rmdir");
3414 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3416 XPUSHi( dooneliner("rmdir", tmps) );
3421 /* Directory calls. */
3426 #if defined(Direntry_t) && defined(HAS_READDIR)
3428 char *dirname = POPpx;
3430 register IO *io = GvIOn(gv);
3436 PerlDir_close(IoDIRP(io));
3437 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3443 SETERRNO(EBADF,RMS$_DIR);
3446 DIE(aTHX_ PL_no_dir_func, "opendir");
3453 #if defined(Direntry_t) && defined(HAS_READDIR)
3455 Direntry_t *readdir (DIR *);
3457 register Direntry_t *dp;
3459 register IO *io = GvIOn(gv);
3462 if (!io || !IoDIRP(io))
3465 if (GIMME == G_ARRAY) {
3467 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3469 sv = newSVpvn(dp->d_name, dp->d_namlen);
3471 sv = newSVpv(dp->d_name, 0);
3473 #ifndef INCOMPLETE_TAINTS
3476 XPUSHs(sv_2mortal(sv));
3480 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3483 sv = newSVpvn(dp->d_name, dp->d_namlen);
3485 sv = newSVpv(dp->d_name, 0);
3487 #ifndef INCOMPLETE_TAINTS
3490 XPUSHs(sv_2mortal(sv));
3496 SETERRNO(EBADF,RMS$_ISI);
3497 if (GIMME == G_ARRAY)
3502 DIE(aTHX_ PL_no_dir_func, "readdir");
3509 #if defined(HAS_TELLDIR) || defined(telldir)
3510 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3511 /* XXX netbsd still seemed to.
3512 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3513 --JHI 1999-Feb-02 */
3514 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3515 long telldir (DIR *);
3518 register IO *io = GvIOn(gv);
3520 if (!io || !IoDIRP(io))
3523 PUSHi( PerlDir_tell(IoDIRP(io)) );
3527 SETERRNO(EBADF,RMS$_ISI);
3530 DIE(aTHX_ PL_no_dir_func, "telldir");
3537 #if defined(HAS_SEEKDIR) || defined(seekdir)
3540 register IO *io = GvIOn(gv);
3542 if (!io || !IoDIRP(io))
3545 (void)PerlDir_seek(IoDIRP(io), along);
3550 SETERRNO(EBADF,RMS$_ISI);
3553 DIE(aTHX_ PL_no_dir_func, "seekdir");
3560 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3562 register IO *io = GvIOn(gv);
3564 if (!io || !IoDIRP(io))
3567 (void)PerlDir_rewind(IoDIRP(io));
3571 SETERRNO(EBADF,RMS$_ISI);
3574 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3581 #if defined(Direntry_t) && defined(HAS_READDIR)
3583 register IO *io = GvIOn(gv);
3585 if (!io || !IoDIRP(io))
3588 #ifdef VOID_CLOSEDIR
3589 PerlDir_close(IoDIRP(io));
3591 if (PerlDir_close(IoDIRP(io)) < 0) {
3592 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3601 SETERRNO(EBADF,RMS$_IFI);
3604 DIE(aTHX_ PL_no_dir_func, "closedir");
3608 /* Process control. */
3618 PERL_FLUSHALL_FOR_CHILD;
3624 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3625 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3626 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3631 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3636 PERL_FLUSHALL_FOR_CHILD;
3637 childpid = PerlProc_fork();
3641 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3648 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3653 childpid = wait4pid(-1, &argflags, 0);
3654 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3658 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3664 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3672 childpid = wait4pid(childpid, &argflags, optype);
3673 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3677 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3683 djSP; dMARK; dORIGMARK; dTARGET;
3688 Sigsave_t ihand,qhand; /* place to save signals during system() */
3693 if (SP - MARK == 1) {
3695 char *junk = SvPV(TOPs, n_a);
3697 TAINT_PROPER("system");
3700 PERL_FLUSHALL_FOR_CHILD;
3701 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3702 if (PerlProc_pipe(pp) >= 0)
3704 while ((childpid = vfork()) == -1) {
3705 if (errno != EAGAIN) {
3710 PerlLIO_close(pp[0]);
3711 PerlLIO_close(pp[1]);
3719 PerlLIO_close(pp[1]);
3720 rsignal_save(SIGINT, SIG_IGN, &ihand);
3721 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3723 result = wait4pid(childpid, &status, 0);
3724 } while (result == -1 && errno == EINTR);
3725 (void)rsignal_restore(SIGINT, &ihand);
3726 (void)rsignal_restore(SIGQUIT, &qhand);
3727 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3728 do_execfree(); /* free any memory child malloced on vfork */
3734 while (n < sizeof(int)) {
3735 n1 = PerlLIO_read(pp[0],
3736 (void*)(((char*)&errkid)+n),
3742 PerlLIO_close(pp[0]);
3743 if (n) { /* Error */
3744 if (n != sizeof(int))
3745 DIE(aTHX_ "panic: kid popen errno read");
3746 errno = errkid; /* Propagate errno from kid */
3747 STATUS_CURRENT = -1;
3750 PUSHi(STATUS_CURRENT);
3754 PerlLIO_close(pp[0]);
3755 #if defined(HAS_FCNTL) && defined(F_SETFD)
3756 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3759 if (PL_op->op_flags & OPf_STACKED) {
3760 SV *really = *++MARK;
3761 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3763 else if (SP - MARK != 1)
3764 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3766 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3769 #else /* ! FORK or VMS or OS/2 */
3770 if (PL_op->op_flags & OPf_STACKED) {
3771 SV *really = *++MARK;
3772 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3774 else if (SP - MARK != 1)
3775 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3777 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3779 STATUS_NATIVE_SET(value);
3782 PUSHi(STATUS_CURRENT);
3783 #endif /* !FORK or VMS */
3789 djSP; dMARK; dORIGMARK; dTARGET;
3793 PERL_FLUSHALL_FOR_CHILD;
3794 if (PL_op->op_flags & OPf_STACKED) {
3795 SV *really = *++MARK;
3796 value = (I32)do_aexec(really, MARK, SP);
3798 else if (SP - MARK != 1)
3800 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3804 (void ) do_aspawn(Nullsv, MARK, SP);
3808 value = (I32)do_aexec(Nullsv, MARK, SP);
3813 char *junk = SvPV(*SP, n_a);
3815 TAINT_PROPER("exec");
3818 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3821 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3824 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3829 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3841 djSP; dMARK; dTARGET;
3844 value = (I32)apply(PL_op->op_type, MARK, SP);
3849 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3857 XPUSHi( getppid() );
3860 DIE(aTHX_ PL_no_func, "getppid");
3876 pgrp = (I32)BSD_GETPGRP(pid);
3878 if (pid != 0 && pid != PerlProc_getpid())
3879 DIE(aTHX_ "POSIX getpgrp can't take an argument");
3885 DIE(aTHX_ PL_no_func, "getpgrp()");
3904 TAINT_PROPER("setpgrp");
3906 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3908 if ((pgrp != 0 && pgrp != PerlProc_getpid())
3909 || (pid != 0 && pid != PerlProc_getpid()))
3911 DIE(aTHX_ "setpgrp can't take arguments");
3913 SETi( setpgrp() >= 0 );
3914 #endif /* USE_BSDPGRP */
3917 DIE(aTHX_ PL_no_func, "setpgrp()");
3926 #ifdef HAS_GETPRIORITY
3929 SETi( getpriority(which, who) );
3932 DIE(aTHX_ PL_no_func, "getpriority()");
3942 #ifdef HAS_SETPRIORITY
3946 TAINT_PROPER("setpriority");
3947 SETi( setpriority(which, who, niceval) >= 0 );
3950 DIE(aTHX_ PL_no_func, "setpriority()");
3960 XPUSHn( time(Null(Time_t*)) );
3962 XPUSHi( time(Null(Time_t*)) );
3967 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3968 to HZ. Probably. For now, assume that if the system
3969 defines HZ, it does so correctly. (Will this break
3971 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3972 it's supported. --AD 9/96.
3988 DIE(aTHX_ "times not implemented");
3993 (void)PerlProc_times(&PL_timesbuf);
3995 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3996 /* struct tms, though same data */
4000 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
4001 if (GIMME == G_ARRAY) {
4002 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
4003 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
4004 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
4007 #endif /* HAS_TIMES */
4020 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4021 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4022 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4028 when = (Time_t)SvNVx(POPs);
4030 when = (Time_t)SvIVx(POPs);
4033 if (PL_op->op_type == OP_LOCALTIME)
4034 tmbuf = localtime(&when);
4036 tmbuf = gmtime(&when);
4040 if (GIMME != G_ARRAY) {
4045 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4046 dayname[tmbuf->tm_wday],
4047 monname[tmbuf->tm_mon],
4052 tmbuf->tm_year + 1900);
4053 PUSHs(sv_2mortal(tsv));
4056 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4057 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4058 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4059 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4060 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4061 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4062 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4063 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4064 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4075 anum = alarm((unsigned int)anum);
4082 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4093 (void)time(&lasttime);
4098 PerlProc_sleep((unsigned int)duration);
4101 XPUSHi(when - lasttime);
4105 /* Shared memory. */
4119 return pp_shmwrite();
4124 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4125 djSP; dMARK; dTARGET;
4126 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4135 /* Message passing. */
4149 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4150 djSP; dMARK; dTARGET;
4151 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4162 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4163 djSP; dMARK; dTARGET;
4164 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4177 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4178 djSP; dMARK; dTARGET;
4179 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4186 DIE(aTHX_ "System V IPC is not implemented on this machine");
4192 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4193 djSP; dMARK; dTARGET;
4194 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4202 PUSHp(zero_but_true, ZBTLEN);
4212 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4213 djSP; dMARK; dTARGET;
4214 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4223 /* Get system info. */
4227 #ifdef HAS_GETHOSTBYNAME
4228 return pp_ghostent();
4230 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4236 #ifdef HAS_GETHOSTBYADDR
4237 return pp_ghostent();
4239 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4246 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4247 I32 which = PL_op->op_type;
4248 register char **elem;
4250 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4251 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4252 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4253 struct hostent *PerlSock_gethostent(void);
4255 struct hostent *hent;
4260 if (which == OP_GHBYNAME)
4261 #ifdef HAS_GETHOSTBYNAME
4262 hent = PerlSock_gethostbyname(POPpx);
4264 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4266 else if (which == OP_GHBYADDR) {
4267 #ifdef HAS_GETHOSTBYADDR
4268 int addrtype = POPi;
4271 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4273 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4275 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4279 #ifdef HAS_GETHOSTENT
4280 hent = PerlSock_gethostent();
4282 DIE(aTHX_ PL_no_sock_func, "gethostent");
4285 #ifdef HOST_NOT_FOUND
4287 STATUS_NATIVE_SET(h_errno);
4290 if (GIMME != G_ARRAY) {
4291 PUSHs(sv = sv_newmortal());
4293 if (which == OP_GHBYNAME) {
4295 sv_setpvn(sv, hent->h_addr, hent->h_length);
4298 sv_setpv(sv, (char*)hent->h_name);
4304 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4305 sv_setpv(sv, (char*)hent->h_name);
4306 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4307 for (elem = hent->h_aliases; elem && *elem; elem++) {
4308 sv_catpv(sv, *elem);
4310 sv_catpvn(sv, " ", 1);
4312 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4313 sv_setiv(sv, (IV)hent->h_addrtype);
4314 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4315 len = hent->h_length;
4316 sv_setiv(sv, (IV)len);
4318 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4319 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4320 sv_setpvn(sv, *elem, len);
4323 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4325 sv_setpvn(sv, hent->h_addr, len);
4330 DIE(aTHX_ PL_no_sock_func, "gethostent");
4336 #ifdef HAS_GETNETBYNAME
4337 return pp_gnetent();
4339 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4345 #ifdef HAS_GETNETBYADDR
4346 return pp_gnetent();
4348 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4355 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4356 I32 which = PL_op->op_type;
4357 register char **elem;
4359 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4360 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4361 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4362 struct netent *PerlSock_getnetent(void);
4364 struct netent *nent;
4367 if (which == OP_GNBYNAME)
4368 #ifdef HAS_GETNETBYNAME
4369 nent = PerlSock_getnetbyname(POPpx);
4371 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4373 else if (which == OP_GNBYADDR) {
4374 #ifdef HAS_GETNETBYADDR
4375 int addrtype = POPi;
4376 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4377 nent = PerlSock_getnetbyaddr(addr, addrtype);
4379 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4383 #ifdef HAS_GETNETENT
4384 nent = PerlSock_getnetent();
4386 DIE(aTHX_ PL_no_sock_func, "getnetent");
4390 if (GIMME != G_ARRAY) {
4391 PUSHs(sv = sv_newmortal());
4393 if (which == OP_GNBYNAME)
4394 sv_setiv(sv, (IV)nent->n_net);
4396 sv_setpv(sv, nent->n_name);
4402 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4403 sv_setpv(sv, nent->n_name);
4404 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4405 for (elem = nent->n_aliases; elem && *elem; elem++) {
4406 sv_catpv(sv, *elem);
4408 sv_catpvn(sv, " ", 1);
4410 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4411 sv_setiv(sv, (IV)nent->n_addrtype);
4412 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4413 sv_setiv(sv, (IV)nent->n_net);
4418 DIE(aTHX_ PL_no_sock_func, "getnetent");
4424 #ifdef HAS_GETPROTOBYNAME
4425 return pp_gprotoent();
4427 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4433 #ifdef HAS_GETPROTOBYNUMBER
4434 return pp_gprotoent();
4436 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4443 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4444 I32 which = PL_op->op_type;
4445 register char **elem;
4447 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4448 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4449 struct protoent *PerlSock_getprotobynumber(int);
4450 struct protoent *PerlSock_getprotoent(void);
4452 struct protoent *pent;
4455 if (which == OP_GPBYNAME)
4456 #ifdef HAS_GETPROTOBYNAME
4457 pent = PerlSock_getprotobyname(POPpx);
4459 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4461 else if (which == OP_GPBYNUMBER)
4462 #ifdef HAS_GETPROTOBYNUMBER
4463 pent = PerlSock_getprotobynumber(POPi);
4465 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4468 #ifdef HAS_GETPROTOENT
4469 pent = PerlSock_getprotoent();
4471 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4475 if (GIMME != G_ARRAY) {
4476 PUSHs(sv = sv_newmortal());
4478 if (which == OP_GPBYNAME)
4479 sv_setiv(sv, (IV)pent->p_proto);
4481 sv_setpv(sv, pent->p_name);
4487 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4488 sv_setpv(sv, pent->p_name);
4489 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4490 for (elem = pent->p_aliases; elem && *elem; elem++) {
4491 sv_catpv(sv, *elem);
4493 sv_catpvn(sv, " ", 1);
4495 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4496 sv_setiv(sv, (IV)pent->p_proto);
4501 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4507 #ifdef HAS_GETSERVBYNAME
4508 return pp_gservent();
4510 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4516 #ifdef HAS_GETSERVBYPORT
4517 return pp_gservent();
4519 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4526 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4527 I32 which = PL_op->op_type;
4528 register char **elem;
4530 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4531 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4532 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4533 struct servent *PerlSock_getservent(void);
4535 struct servent *sent;
4538 if (which == OP_GSBYNAME) {
4539 #ifdef HAS_GETSERVBYNAME
4540 char *proto = POPpx;
4543 if (proto && !*proto)
4546 sent = PerlSock_getservbyname(name, proto);
4548 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4551 else if (which == OP_GSBYPORT) {
4552 #ifdef HAS_GETSERVBYPORT
4553 char *proto = POPpx;
4554 unsigned short port = POPu;
4557 port = PerlSock_htons(port);
4559 sent = PerlSock_getservbyport(port, proto);
4561 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4565 #ifdef HAS_GETSERVENT
4566 sent = PerlSock_getservent();
4568 DIE(aTHX_ PL_no_sock_func, "getservent");
4572 if (GIMME != G_ARRAY) {
4573 PUSHs(sv = sv_newmortal());
4575 if (which == OP_GSBYNAME) {
4577 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4579 sv_setiv(sv, (IV)(sent->s_port));
4583 sv_setpv(sv, sent->s_name);
4589 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4590 sv_setpv(sv, sent->s_name);
4591 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4592 for (elem = sent->s_aliases; elem && *elem; elem++) {
4593 sv_catpv(sv, *elem);
4595 sv_catpvn(sv, " ", 1);
4597 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4599 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4601 sv_setiv(sv, (IV)(sent->s_port));
4603 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4604 sv_setpv(sv, sent->s_proto);
4609 DIE(aTHX_ PL_no_sock_func, "getservent");
4616 #ifdef HAS_SETHOSTENT
4617 PerlSock_sethostent(TOPi);
4620 DIE(aTHX_ PL_no_sock_func, "sethostent");
4627 #ifdef HAS_SETNETENT
4628 PerlSock_setnetent(TOPi);
4631 DIE(aTHX_ PL_no_sock_func, "setnetent");
4638 #ifdef HAS_SETPROTOENT
4639 PerlSock_setprotoent(TOPi);
4642 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4649 #ifdef HAS_SETSERVENT
4650 PerlSock_setservent(TOPi);
4653 DIE(aTHX_ PL_no_sock_func, "setservent");
4660 #ifdef HAS_ENDHOSTENT
4661 PerlSock_endhostent();
4665 DIE(aTHX_ PL_no_sock_func, "endhostent");
4672 #ifdef HAS_ENDNETENT
4673 PerlSock_endnetent();
4677 DIE(aTHX_ PL_no_sock_func, "endnetent");
4684 #ifdef HAS_ENDPROTOENT
4685 PerlSock_endprotoent();
4689 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4696 #ifdef HAS_ENDSERVENT
4697 PerlSock_endservent();
4701 DIE(aTHX_ PL_no_sock_func, "endservent");
4710 DIE(aTHX_ PL_no_func, "getpwnam");
4719 DIE(aTHX_ PL_no_func, "getpwuid");
4726 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4727 I32 which = PL_op->op_type;
4729 struct passwd *pwent;
4731 #if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4732 struct spwd *spwent = NULL;
4735 if (which == OP_GPWNAM)
4736 pwent = getpwnam(POPpx);
4737 else if (which == OP_GPWUID)
4738 pwent = getpwuid(POPi);
4740 pwent = (struct passwd *)getpwent();
4743 if (which == OP_GPWNAM) {
4745 spwent = getspnam(pwent->pw_name);
4747 # ifdef HAS_GETSPUID /* AFAIK there isn't any anywhere. --jhi */
4748 else if (which == OP_GPWUID) {
4750 spwent = getspnam(pwent->pw_name);
4753 # ifdef HAS_GETSPENT
4755 spwent = (struct spwd *)getspent();
4760 if (GIMME != G_ARRAY) {
4761 PUSHs(sv = sv_newmortal());
4763 if (which == OP_GPWNAM)
4764 sv_setiv(sv, (IV)pwent->pw_uid);
4766 sv_setpv(sv, pwent->pw_name);
4772 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4773 sv_setpv(sv, pwent->pw_name);
4775 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4777 # if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4779 sv_setpv(sv, spwent->sp_pwdp);
4781 sv_setpv(sv, pwent->pw_passwd);
4783 sv_setpv(sv, pwent->pw_passwd);
4787 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4788 sv_setiv(sv, (IV)pwent->pw_uid);
4790 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4791 sv_setiv(sv, (IV)pwent->pw_gid);
4793 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4794 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4796 sv_setiv(sv, (IV)pwent->pw_change);
4799 sv_setiv(sv, (IV)pwent->pw_quota);
4802 sv_setpv(sv, pwent->pw_age);
4807 /* pw_class and pw_comment are mutually exclusive. */
4808 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4810 sv_setpv(sv, pwent->pw_class);
4813 sv_setpv(sv, pwent->pw_comment);
4817 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4819 sv_setpv(sv, pwent->pw_gecos);
4821 #ifndef INCOMPLETE_TAINTS
4822 /* pw_gecos is tainted because user himself can diddle with it. */
4826 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4827 sv_setpv(sv, pwent->pw_dir);
4829 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4830 sv_setpv(sv, pwent->pw_shell);
4833 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4834 sv_setiv(sv, (IV)pwent->pw_expire);
4839 DIE(aTHX_ PL_no_func, "getpwent");
4846 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
4848 # ifdef HAS_SETSPENT
4853 DIE(aTHX_ PL_no_func, "setpwent");
4860 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4862 # ifdef HAS_ENDSPENT
4867 DIE(aTHX_ PL_no_func, "endpwent");
4876 DIE(aTHX_ PL_no_func, "getgrnam");
4885 DIE(aTHX_ PL_no_func, "getgrgid");
4892 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4893 I32 which = PL_op->op_type;
4894 register char **elem;
4896 struct group *grent;
4899 if (which == OP_GGRNAM)
4900 grent = (struct group *)getgrnam(POPpx);
4901 else if (which == OP_GGRGID)
4902 grent = (struct group *)getgrgid(POPi);
4904 grent = (struct group *)getgrent();
4907 if (GIMME != G_ARRAY) {
4908 PUSHs(sv = sv_newmortal());
4910 if (which == OP_GGRNAM)
4911 sv_setiv(sv, (IV)grent->gr_gid);
4913 sv_setpv(sv, grent->gr_name);
4919 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4920 sv_setpv(sv, grent->gr_name);
4922 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4924 sv_setpv(sv, grent->gr_passwd);
4927 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4928 sv_setiv(sv, (IV)grent->gr_gid);
4930 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4931 for (elem = grent->gr_mem; elem && *elem; elem++) {
4932 sv_catpv(sv, *elem);
4934 sv_catpvn(sv, " ", 1);
4940 DIE(aTHX_ PL_no_func, "getgrent");
4947 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4951 DIE(aTHX_ PL_no_func, "setgrent");
4958 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4962 DIE(aTHX_ PL_no_func, "endgrent");
4972 if (!(tmps = PerlProc_getlogin()))
4974 PUSHp(tmps, strlen(tmps));
4977 DIE(aTHX_ PL_no_func, "getlogin");
4981 /* Miscellaneous. */
4986 djSP; dMARK; dORIGMARK; dTARGET;
4987 register I32 items = SP - MARK;
4988 unsigned long a[20];
4995 while (++MARK <= SP) {
4996 if (SvTAINTED(*MARK)) {
5002 TAINT_PROPER("syscall");
5005 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5006 * or where sizeof(long) != sizeof(char*). But such machines will
5007 * not likely have syscall implemented either, so who cares?
5009 while (++MARK <= SP) {
5010 if (SvNIOK(*MARK) || !i)
5011 a[i++] = SvIV(*MARK);
5012 else if (*MARK == &PL_sv_undef)
5015 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5021 DIE(aTHX_ "Too many args to syscall");
5023 DIE(aTHX_ "Too few args to syscall");
5025 retval = syscall(a[0]);
5028 retval = syscall(a[0],a[1]);
5031 retval = syscall(a[0],a[1],a[2]);
5034 retval = syscall(a[0],a[1],a[2],a[3]);
5037 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5040 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5043 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5046 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5050 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5053 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5056 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5060 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5064 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5068 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5069 a[10],a[11],a[12],a[13]);
5071 #endif /* atarist */
5077 DIE(aTHX_ PL_no_func, "syscall");
5081 #ifdef FCNTL_EMULATE_FLOCK
5083 /* XXX Emulate flock() with fcntl().
5084 What's really needed is a good file locking module.
5088 fcntl_emulate_flock(int fd, int operation)
5092 switch (operation & ~LOCK_NB) {
5094 flock.l_type = F_RDLCK;
5097 flock.l_type = F_WRLCK;
5100 flock.l_type = F_UNLCK;
5106 flock.l_whence = SEEK_SET;
5107 flock.l_start = flock.l_len = (Off_t)0;
5109 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5112 #endif /* FCNTL_EMULATE_FLOCK */
5114 #ifdef LOCKF_EMULATE_FLOCK
5116 /* XXX Emulate flock() with lockf(). This is just to increase
5117 portability of scripts. The calls are not completely
5118 interchangeable. What's really needed is a good file
5122 /* The lockf() constants might have been defined in <unistd.h>.
5123 Unfortunately, <unistd.h> causes troubles on some mixed
5124 (BSD/POSIX) systems, such as SunOS 4.1.3.
5126 Further, the lockf() constants aren't POSIX, so they might not be
5127 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5128 just stick in the SVID values and be done with it. Sigh.
5132 # define F_ULOCK 0 /* Unlock a previously locked region */
5135 # define F_LOCK 1 /* Lock a region for exclusive use */
5138 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5141 # define F_TEST 3 /* Test a region for other processes locks */
5145 lockf_emulate_flock(int fd, int operation)
5151 /* flock locks entire file so for lockf we need to do the same */
5153 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5154 if (pos > 0) /* is seekable and needs to be repositioned */
5155 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5156 pos = -1; /* seek failed, so don't seek back afterwards */
5159 switch (operation) {
5161 /* LOCK_SH - get a shared lock */
5163 /* LOCK_EX - get an exclusive lock */
5165 i = lockf (fd, F_LOCK, 0);
5168 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5169 case LOCK_SH|LOCK_NB:
5170 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5171 case LOCK_EX|LOCK_NB:
5172 i = lockf (fd, F_TLOCK, 0);
5174 if ((errno == EAGAIN) || (errno == EACCES))
5175 errno = EWOULDBLOCK;
5178 /* LOCK_UN - unlock (non-blocking is a no-op) */
5180 case LOCK_UN|LOCK_NB:
5181 i = lockf (fd, F_ULOCK, 0);
5184 /* Default - can't decipher operation */
5191 if (pos > 0) /* need to restore position of the handle */
5192 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5197 #endif /* LOCKF_EMULATE_FLOCK */