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_*.
122 * Sock_size_t is defined identically in doio.c. */
124 # ifdef HAS_SOCKLEN_T
125 # define Sock_size_t socklen_t
127 # if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
128 # define Sock_size_t Size_t
130 # define Sock_size_t int
136 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
139 # define my_chsize PerlLIO_chsize
144 #else /* no flock() */
146 /* fcntl.h might not have been included, even if it exists, because
147 the current Configure only sets I_FCNTL if it's needed to pick up
148 the *_OK constants. Make sure it has been included before testing
149 the fcntl() locking constants. */
150 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
154 # if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
155 # define FLOCK fcntl_emulate_flock
156 # define FCNTL_EMULATE_FLOCK
157 # else /* no flock() or fcntl(F_SETLK,...) */
159 # define FLOCK lockf_emulate_flock
160 # define LOCKF_EMULATE_FLOCK
162 # endif /* no flock() or fcntl(F_SETLK,...) */
165 static int FLOCK (int, int);
168 * These are the flock() constants. Since this sytems doesn't have
169 * flock(), the values of the constants are probably not available.
183 # endif /* emulating flock() */
185 #endif /* no flock() */
188 static char zero_but_true[ZBTLEN + 1] = "0 but true";
190 #if defined(I_SYS_ACCESS) && !defined(R_OK)
191 # include <sys/access.h>
194 #if defined(HAS_FCNTL) && defined(F_SETFD) && !defined(FD_CLOEXEC)
195 # define FD_CLOEXEC 1 /* NeXT needs this */
198 #undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */
199 #undef PERL_EFF_ACCESS_W_OK
200 #undef PERL_EFF_ACCESS_X_OK
202 /* F_OK unused: if stat() cannot find it... */
204 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
205 /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */
206 # define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK))
207 # define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK))
208 # define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK))
211 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS)
212 # if defined(I_SYS_SECURITY)
213 # include <sys/security.h>
215 /* XXX Configure test needed for eaccess */
218 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF))
219 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF))
220 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF))
223 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK))
224 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK))
225 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK))
229 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF)
231 # define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF))
232 # define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF))
233 # define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF))
236 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \
237 && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \
238 || defined(HAS_SETREGID) || defined(HAS_SETRESGID))
241 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
243 Uid_t ruid = getuid();
244 Uid_t euid = geteuid();
245 Gid_t rgid = getgid();
246 Gid_t egid = getegid();
250 #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
251 Perl_croak(aTHX_ "switching effective uid is not implemented");
254 if (setreuid(euid, ruid))
257 if (setresuid(euid, ruid, (Uid_t)-1))
260 Perl_croak(aTHX_ "entering effective uid failed");
263 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
264 Perl_croak(aTHX_ "switching effective gid is not implemented");
267 if (setregid(egid, rgid))
270 if (setresgid(egid, rgid, (Gid_t)-1))
273 Perl_croak(aTHX_ "entering effective gid failed");
276 res = access(path, mode);
279 if (setreuid(ruid, euid))
282 if (setresuid(ruid, euid, (Uid_t)-1))
285 Perl_croak(aTHX_ "leaving effective uid failed");
288 if (setregid(rgid, egid))
291 if (setresgid(rgid, egid, (Gid_t)-1))
294 Perl_croak(aTHX_ "leaving effective gid failed");
299 # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
300 # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
301 # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
304 #if !defined(PERL_EFF_ACCESS_R_OK)
306 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
308 Perl_croak(aTHX_ "switching effective uid is not implemented");
323 fp = PerlProc_popen(tmps, "r");
325 if (gimme == G_VOID) {
327 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
331 else if (gimme == G_SCALAR) {
332 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
333 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
344 if (sv_gets(sv, fp, 0) == Nullch) {
348 XPUSHs(sv_2mortal(sv));
349 if (SvLEN(sv) - SvCUR(sv) > 20) {
350 SvLEN_set(sv, SvCUR(sv)+1);
351 Renew(SvPVX(sv), SvLEN(sv), char);
356 STATUS_NATIVE_SET(PerlProc_pclose(fp));
357 TAINT; /* "I believe that this is not gratuitous!" */
360 STATUS_NATIVE_SET(-1);
361 if (gimme == G_SCALAR)
371 tryAMAGICunTARGET(iter, -1);
378 * The external globbing program may use things we can't control,
379 * so for security reasons we must assume the worst.
382 taint_proper(PL_no_security, "glob");
386 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
387 PL_last_in_gv = (GV*)*PL_stack_sp--;
389 SAVESPTR(PL_rs); /* This is not permanent, either. */
390 PL_rs = sv_2mortal(newSVpvn("\000", 1));
393 *SvPVX(PL_rs) = '\n';
397 result = do_readline();
402 #if 0 /* XXX never used! */
406 PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), n_a), TRUE,SVt_PVIO);
407 return do_readline();
413 PL_last_in_gv = cGVOP_gv;
414 return do_readline();
423 if (SP - MARK != 1) {
425 do_join(TARG, &PL_sv_no, MARK, SP);
432 tmps = SvPV(tmpsv, len);
435 (void)SvUPGRADE(error, SVt_PV);
436 if (SvPOK(error) && SvCUR(error))
437 sv_catpv(error, "\t...caught");
439 tmps = SvPV(tmpsv, len);
442 tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26));
444 Perl_warn(aTHX_ "%"SVf, tmpsv);
455 if (SP - MARK != 1) {
457 do_join(TARG, &PL_sv_no, MARK, SP);
459 tmps = SvPV(tmpsv, len);
465 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, len);
469 (void)SvUPGRADE(error, SVt_PV);
470 if (multiarg ? SvROK(error) : SvROK(tmpsv)) {
472 SvSetSV(error,tmpsv);
473 else if (sv_isobject(error)) {
474 HV *stash = SvSTASH(SvRV(error));
475 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
477 SV *file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0));
478 SV *line = sv_2mortal(newSViv(CopLINE(PL_curcop)));
485 call_sv((SV*)GvCV(gv),
486 G_SCALAR|G_EVAL|G_KEEPERR);
487 sv_setsv(error,*PL_stack_sp--);
493 if (SvPOK(error) && SvCUR(error))
494 sv_catpv(error, "\t...propagated");
496 tmps = SvPV(tmpsv, len);
500 tmpsv = sv_2mortal(newSVpvn("Died", 4));
502 DIE(aTHX_ "%"SVf, tmpsv);
525 DIE(aTHX_ PL_no_usym, "filehandle");
530 DIE(aTHX_ PL_no_usym, "filehandle");
532 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
534 if (mg = SvTIED_mg((SV*)gv, 'q')) {
536 XPUSHs(SvTIED_obj((SV*)gv, mg));
542 call_method("OPEN", G_SCALAR);
548 tmps = SvPV(sv, len);
549 if (do_open9(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, name, have_name))
550 PUSHi( (I32)PL_forkprocess );
551 else if (PL_forkprocess == 0) /* we are a new child */
569 if (mg = SvTIED_mg((SV*)gv, 'q')) {
571 XPUSHs(SvTIED_obj((SV*)gv, mg));
574 call_method("CLOSE", G_SCALAR);
580 PUSHs(boolSV(do_close(gv, TRUE)));
600 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
601 DIE(aTHX_ PL_no_usym, "filehandle");
606 do_close(rgv, FALSE);
608 do_close(wgv, FALSE);
610 if (PerlProc_pipe(fd) < 0)
613 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
614 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
615 IoIFP(wstio) = IoOFP(wstio);
619 if (!IoIFP(rstio) || !IoOFP(wstio)) {
620 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
621 else PerlLIO_close(fd[0]);
622 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
623 else PerlLIO_close(fd[1]);
626 #if defined(HAS_FCNTL) && defined(F_SETFD)
627 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
628 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
635 DIE(aTHX_ PL_no_func, "pipe");
651 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
653 XPUSHs(SvTIED_obj((SV*)gv, mg));
656 call_method("FILENO", G_SCALAR);
662 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
664 PUSHi(PerlIO_fileno(fp));
675 anum = PerlLIO_umask(0);
676 (void)PerlLIO_umask(anum);
679 anum = PerlLIO_umask(POPi);
680 TAINT_PROPER("umask");
683 /* Only DIE if trying to restrict permissions on `user' (self).
684 * Otherwise it's harmless and more useful to just return undef
685 * since 'group' and 'other' concepts probably don't exist here. */
686 if (MAXARG >= 1 && (POPi & 0700))
687 DIE(aTHX_ "umask not implemented");
688 XPUSHs(&PL_sv_undef);
706 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
708 XPUSHs(SvTIED_obj((SV*)gv, mg));
711 call_method("BINMODE", G_SCALAR);
718 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
721 if (do_binmode(fp,IoTYPE(io),TRUE))
736 I32 markoff = MARK - PL_stack_base;
743 switch(SvTYPE(varsv)) {
745 methname = "TIEHASH";
748 methname = "TIEARRAY";
751 methname = "TIEHANDLE";
755 methname = "TIESCALAR";
760 if (sv_isobject(*MARK)) {
762 PUSHSTACKi(PERLSI_MAGIC);
768 call_method(methname, G_SCALAR);
771 /* Not clear why we don't call call_method here too.
772 * perhaps to get different error message ?
774 stash = gv_stashsv(*MARK, FALSE);
775 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
776 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
777 methname, SvPV(*MARK,n_a));
780 PUSHSTACKi(PERLSI_MAGIC);
786 call_sv((SV*)GvCV(gv), G_SCALAR);
792 if (sv_isobject(sv)) {
793 sv_unmagic(varsv, how);
794 sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0);
797 SP = PL_stack_base + markoff;
806 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
808 if (ckWARN(WARN_UNTIE)) {
810 if (mg = SvTIED_mg(sv, how)) {
811 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
812 Perl_warner(aTHX_ WARN_UNTIE,
813 "untie attempted while %"UVuf" inner references still exist",
814 (UV)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
826 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
829 if (mg = SvTIED_mg(sv, how)) {
830 SV *osv = SvTIED_obj(sv, mg);
831 if (osv == mg->mg_obj)
832 osv = sv_mortalcopy(osv);
850 sv = sv_mortalcopy(&PL_sv_no);
851 sv_setpv(sv, "AnyDBM_File");
852 stash = gv_stashsv(sv, FALSE);
853 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
855 require_pv("AnyDBM_File.pm");
857 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
858 DIE(aTHX_ "No dbm on this machine");
868 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
870 PUSHs(sv_2mortal(newSViv(O_RDWR)));
873 call_sv((SV*)GvCV(gv), G_SCALAR);
876 if (!sv_isobject(TOPs)) {
881 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
884 call_sv((SV*)GvCV(gv), G_SCALAR);
888 if (sv_isobject(TOPs)) {
889 sv_unmagic((SV *) hv, 'P');
890 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
912 struct timeval timebuf;
913 struct timeval *tbuf = &timebuf;
917 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
922 # if BYTEORDER & 0xf0000
923 # define ORDERBYTE (0x88888888 - BYTEORDER)
925 # define ORDERBYTE (0x4444 - BYTEORDER)
931 for (i = 1; i <= 3; i++) {
939 /* little endians can use vecs directly */
940 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
941 # if SELECT_MIN_BITS > 1
942 /* If SELECT_MIN_BITS is greater than one we most probably will want
943 * to align the sizes with SELECT_MIN_BITS/8 because for example
944 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
945 * UNIX, Solaris, NeXT, Rhapsody) the smallest quantum select() operates
946 * on (sets/tests/clears bits) is 32 bits. */
947 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
949 growsize = sizeof(fd_set);
958 masksize = NFDBITS / NBBY;
960 masksize = sizeof(long); /* documented int, everyone seems to use long */
962 growsize = maxlen + (masksize - (maxlen % masksize));
963 Zero(&fd_sets[0], 4, char*);
971 timebuf.tv_sec = (long)value;
972 value -= (NV)timebuf.tv_sec;
973 timebuf.tv_usec = (long)(value * 1000000.0);
976 tbuf = Null(struct timeval*);
978 for (i = 1; i <= 3; i++) {
985 SvPV_force(sv,n_a); /* force string conversion */
988 Sv_Grow(sv, growsize);
992 while (++j <= growsize) {
996 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
998 New(403, fd_sets[i], growsize, char);
999 for (offset = 0; offset < growsize; offset += masksize) {
1000 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1001 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1004 fd_sets[i] = SvPVX(sv);
1008 nfound = PerlSock_select(
1010 (Select_fd_set_t) fd_sets[1],
1011 (Select_fd_set_t) fd_sets[2],
1012 (Select_fd_set_t) fd_sets[3],
1014 for (i = 1; i <= 3; i++) {
1017 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1019 for (offset = 0; offset < growsize; offset += masksize) {
1020 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1021 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1023 Safefree(fd_sets[i]);
1030 if (GIMME == G_ARRAY && tbuf) {
1031 value = (NV)(timebuf.tv_sec) +
1032 (NV)(timebuf.tv_usec) / 1000000.0;
1033 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1034 sv_setnv(sv, value);
1038 DIE(aTHX_ "select not implemented");
1043 Perl_setdefout(pTHX_ GV *gv)
1047 (void)SvREFCNT_inc(gv);
1049 SvREFCNT_dec(PL_defoutgv);
1056 GV *newdefout, *egv;
1059 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1061 egv = GvEGV(PL_defoutgv);
1066 XPUSHs(&PL_sv_undef);
1068 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1069 if (gvp && *gvp == egv) {
1070 gv_efullname3(TARG, PL_defoutgv, Nullch);
1074 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1079 if (!GvIO(newdefout))
1080 gv_IOadd(newdefout);
1081 setdefout(newdefout);
1098 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1099 I32 gimme = GIMME_V;
1101 XPUSHs(SvTIED_obj((SV*)gv, mg));
1104 call_method("GETC", gimme);
1107 if (gimme == G_SCALAR)
1108 SvSetMagicSV_nosteal(TARG, TOPs);
1111 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1114 sv_setpv(TARG, " ");
1115 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1122 return pp_sysread();
1126 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1129 register PERL_CONTEXT *cx;
1130 I32 gimme = GIMME_V;
1131 AV* padlist = CvPADLIST(cv);
1132 SV** svp = AvARRAY(padlist);
1138 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1140 SAVEVPTR(PL_curpad);
1141 PL_curpad = AvARRAY((AV*)svp[1]);
1143 setdefout(gv); /* locally select filehandle so $% et al work */
1175 SV *tmpsv = sv_newmortal();
1176 gv_efullname3(tmpsv, fgv, Nullch);
1177 DIE(aTHX_ "Undefined format \"%s\" called",SvPVX(tmpsv));
1179 DIE(aTHX_ "Not a format reference");
1182 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1184 IoFLAGS(io) &= ~IOf_DIDTOP;
1185 return doform(cv,gv,PL_op->op_next);
1191 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1192 register IO *io = GvIOp(gv);
1193 PerlIO *ofp = IoOFP(io);
1197 register PERL_CONTEXT *cx;
1199 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1200 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1201 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1202 PL_formtarget != PL_toptarget)
1206 if (!IoTOP_GV(io)) {
1210 if (!IoTOP_NAME(io)) {
1211 if (!IoFMT_NAME(io))
1212 IoFMT_NAME(io) = savepv(GvNAME(gv));
1213 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1214 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1215 if ((topgv && GvFORM(topgv)) ||
1216 !gv_fetchpv("top",FALSE,SVt_PVFM))
1217 IoTOP_NAME(io) = savepv(SvPVX(topname));
1219 IoTOP_NAME(io) = savepv("top");
1221 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1222 if (!topgv || !GvFORM(topgv)) {
1223 IoLINES_LEFT(io) = 100000000;
1226 IoTOP_GV(io) = topgv;
1228 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1229 I32 lines = IoLINES_LEFT(io);
1230 char *s = SvPVX(PL_formtarget);
1231 if (lines <= 0) /* Yow, header didn't even fit!!! */
1233 while (lines-- > 0) {
1234 s = strchr(s, '\n');
1240 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1241 sv_chop(PL_formtarget, s);
1242 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1245 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1246 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1247 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1249 PL_formtarget = PL_toptarget;
1250 IoFLAGS(io) |= IOf_DIDTOP;
1253 DIE(aTHX_ "bad top format reference");
1256 SV *tmpsv = sv_newmortal();
1257 gv_efullname3(tmpsv, fgv, Nullch);
1258 DIE(aTHX_ "Undefined top format \"%s\" called",SvPVX(tmpsv));
1261 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1262 return doform(cv,gv,PL_op);
1266 POPBLOCK(cx,PL_curpm);
1272 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1274 SV* sv = sv_newmortal();
1275 gv_efullname3(sv, gv, Nullch);
1276 Perl_warner(aTHX_ WARN_IO,
1277 "Filehandle %s opened only for input",
1280 else if (ckWARN(WARN_CLOSED))
1281 report_closed_fh(gv, io, "write", "filehandle");
1286 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1287 if (ckWARN(WARN_IO))
1288 Perl_warner(aTHX_ WARN_IO, "page overflow");
1290 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1294 FmLINES(PL_formtarget) = 0;
1295 SvCUR_set(PL_formtarget, 0);
1296 *SvEND(PL_formtarget) = '\0';
1297 if (IoFLAGS(io) & IOf_FLUSH)
1298 (void)PerlIO_flush(fp);
1302 PL_formtarget = PL_bodytarget;
1304 return pop_return();
1309 djSP; dMARK; dORIGMARK;
1317 if (PL_op->op_flags & OPf_STACKED)
1322 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1323 if (MARK == ORIGMARK) {
1326 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1330 *MARK = SvTIED_obj((SV*)gv, mg);
1333 call_method("PRINTF", G_SCALAR);
1336 MARK = ORIGMARK + 1;
1343 if (!(io = GvIO(gv))) {
1344 if (ckWARN(WARN_UNOPENED)) {
1345 gv_efullname3(sv, gv, Nullch);
1346 Perl_warner(aTHX_ WARN_UNOPENED,
1347 "Filehandle %s never opened", SvPV(sv,n_a));
1349 SETERRNO(EBADF,RMS$_IFI);
1352 else if (!(fp = IoOFP(io))) {
1353 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1355 gv_efullname3(sv, gv, Nullch);
1356 Perl_warner(aTHX_ WARN_IO,
1357 "Filehandle %s opened only for input",
1360 else if (ckWARN(WARN_CLOSED))
1361 report_closed_fh(gv, io, "printf", "filehandle");
1363 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1367 do_sprintf(sv, SP - MARK, MARK + 1);
1368 if (!do_print(sv, fp))
1371 if (IoFLAGS(io) & IOf_FLUSH)
1372 if (PerlIO_flush(fp) == EOF)
1383 PUSHs(&PL_sv_undef);
1404 /* Need TIEHANDLE method ? */
1406 tmps = SvPV(sv, len);
1407 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1408 IoLINES(GvIOp(gv)) = 0;
1412 PUSHs(&PL_sv_undef);
1419 djSP; dMARK; dORIGMARK; dTARGET;
1425 Sock_size_t bufsize;
1431 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1432 (mg = SvTIED_mg((SV*)gv, 'q')))
1437 *MARK = SvTIED_obj((SV*)gv, mg);
1439 call_method("READ", G_SCALAR);
1452 sv_setpvn(bufsv, "", 0);
1453 buffer = SvPV_force(bufsv, blen);
1454 length = SvIVx(*++MARK);
1456 DIE(aTHX_ "Negative length");
1459 offset = SvIVx(*++MARK);
1463 if (!io || !IoIFP(io))
1466 if (PL_op->op_type == OP_RECV) {
1467 char namebuf[MAXPATHLEN];
1468 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1469 bufsize = sizeof (struct sockaddr_in);
1471 bufsize = sizeof namebuf;
1473 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1477 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1481 buffer = SvGROW(bufsv, length+1);
1482 /* 'offset' means 'flags' here */
1483 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1484 (struct sockaddr *)namebuf, &bufsize);
1487 SvCUR_set(bufsv, length);
1488 *SvEND(bufsv) = '\0';
1489 (void)SvPOK_only(bufsv);
1491 /* This should not be marked tainted if the fp is marked clean */
1492 if (!(IoFLAGS(io) & IOf_UNTAINT))
1493 SvTAINTED_on(bufsv);
1495 sv_setpvn(TARG, namebuf, bufsize);
1500 if (PL_op->op_type == OP_RECV)
1501 DIE(aTHX_ PL_no_sock_func, "recv");
1505 DIE(aTHX_ "Offset outside string");
1508 bufsize = SvCUR(bufsv);
1509 buffer = SvGROW(bufsv, length+offset+1);
1510 if (offset > bufsize) { /* Zero any newly allocated space */
1511 Zero(buffer+bufsize, offset-bufsize, char);
1513 if (PL_op->op_type == OP_SYSREAD) {
1514 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1515 if (IoTYPE(io) == 's') {
1516 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1517 buffer+offset, length, 0);
1522 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1523 buffer+offset, length);
1527 #ifdef HAS_SOCKET__bad_code_maybe
1528 if (IoTYPE(io) == 's') {
1529 char namebuf[MAXPATHLEN];
1530 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1531 bufsize = sizeof (struct sockaddr_in);
1533 bufsize = sizeof namebuf;
1535 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1536 (struct sockaddr *)namebuf, &bufsize);
1541 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1542 /* fread() returns 0 on both error and EOF */
1543 if (length == 0 && PerlIO_error(IoIFP(io)))
1547 if ((IoTYPE(io) == '>' || IoIFP(io) == PerlIO_stdout()
1548 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1550 SV* sv = sv_newmortal();
1551 gv_efullname3(sv, gv, Nullch);
1552 Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for output",
1557 SvCUR_set(bufsv, length+offset);
1558 *SvEND(bufsv) = '\0';
1559 (void)SvPOK_only(bufsv);
1561 /* This should not be marked tainted if the fp is marked clean */
1562 if (!(IoFLAGS(io) & IOf_UNTAINT))
1563 SvTAINTED_on(bufsv);
1576 int items = (SP - PL_stack_base) - TOPMARK;
1580 sv = sv_2mortal(newSViv(sv_len(*SP)));
1589 djSP; dMARK; dORIGMARK; dTARGET;
1600 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1604 *MARK = SvTIED_obj((SV*)gv, mg);
1606 call_method("WRITE", G_SCALAR);
1617 buffer = SvPV(bufsv, blen);
1618 #if Off_t_SIZE > IVSIZE
1619 length = SvNVx(*++MARK);
1621 length = SvIVx(*++MARK);
1624 DIE(aTHX_ "Negative length");
1627 if (!io || !IoIFP(io)) {
1629 if (ckWARN(WARN_CLOSED)) {
1630 if (PL_op->op_type == OP_SYSWRITE)
1631 report_closed_fh(gv, io, "syswrite", "filehandle");
1633 report_closed_fh(gv, io, "send", "socket");
1636 else if (PL_op->op_type == OP_SYSWRITE) {
1638 #if Off_t_SIZE > IVSIZE
1639 offset = SvNVx(*++MARK);
1641 offset = SvIVx(*++MARK);
1645 DIE(aTHX_ "Offset outside string");
1647 } else if (offset >= blen && blen > 0)
1648 DIE(aTHX_ "Offset outside string");
1651 if (length > blen - offset)
1652 length = blen - offset;
1653 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1654 if (IoTYPE(io) == 's') {
1655 length = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1656 buffer+offset, length, 0);
1661 /* See the note at doio.c:do_print about filesize limits. --jhi */
1662 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1663 buffer+offset, length);
1667 else if (SP > MARK) {
1670 sockbuf = SvPVx(*++MARK, mlen);
1671 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1672 (struct sockaddr *)sockbuf, mlen);
1675 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1679 DIE(aTHX_ PL_no_sock_func, "send");
1694 return pp_sysread();
1704 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1706 gv = PL_last_in_gv = PL_argvgv;
1708 if (io && !IoIFP(io)) {
1709 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1711 IoFLAGS(io) &= ~IOf_START;
1712 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1713 sv_setpvn(GvSV(gv), "-", 1);
1714 SvSETMAGIC(GvSV(gv));
1716 else if (!nextargv(gv))
1721 gv = PL_last_in_gv; /* eof */
1724 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1726 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1728 XPUSHs(SvTIED_obj((SV*)gv, mg));
1731 call_method("EOF", G_SCALAR);
1737 PUSHs(boolSV(!gv || do_eof(gv)));
1750 gv = PL_last_in_gv = (GV*)POPs;
1752 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1754 XPUSHs(SvTIED_obj((SV*)gv, mg));
1757 call_method("TELL", G_SCALAR);
1763 #if LSEEKSIZE > IVSIZE
1764 PUSHn( do_tell(gv) );
1766 PUSHi( do_tell(gv) );
1773 return pp_sysseek();
1781 #if LSEEKSIZE > IVSIZE
1782 Off_t offset = (Off_t)SvNVx(POPs);
1784 Off_t offset = (Off_t)SvIVx(POPs);
1788 gv = PL_last_in_gv = (GV*)POPs;
1790 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1792 XPUSHs(SvTIED_obj((SV*)gv, mg));
1793 #if LSEEKSIZE > IVSIZE
1794 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1796 XPUSHs(sv_2mortal(newSViv((IV) offset)));
1798 XPUSHs(sv_2mortal(newSViv((IV) whence)));
1801 call_method("SEEK", G_SCALAR);
1807 if (PL_op->op_type == OP_SEEK)
1808 PUSHs(boolSV(do_seek(gv, offset, whence)));
1810 Off_t n = do_sysseek(gv, offset, whence);
1812 PUSHs(&PL_sv_undef);
1815 #if LSEEKSIZE > IVSIZE
1820 : newSVpvn(zero_but_true, ZBTLEN);
1821 PUSHs(sv_2mortal(sv));
1830 Off_t len = (Off_t)POPn;
1836 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1837 if (PL_op->op_flags & OPf_SPECIAL) {
1838 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1840 TAINT_PROPER("truncate");
1841 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
1844 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
1846 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1848 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1858 if (SvTYPE(sv) == SVt_PVGV) {
1859 tmpgv = (GV*)sv; /* *main::FRED for example */
1862 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1863 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1867 name = SvPV(sv, n_a);
1868 TAINT_PROPER("truncate");
1870 if (truncate(name, len) < 0)
1875 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1878 if (my_chsize(tmpfd, len) < 0)
1880 PerlLIO_close(tmpfd);
1889 SETERRNO(EBADF,RMS$_IFI);
1892 DIE(aTHX_ "truncate not implemented");
1905 unsigned int func = U_I(POPn);
1906 int optype = PL_op->op_type;
1912 if (!io || !argsv || !IoIFP(io)) {
1913 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1917 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1920 s = SvPV_force(argsv, len);
1921 need = IOCPARM_LEN(func);
1923 s = Sv_Grow(argsv, need + 1);
1924 SvCUR_set(argsv, need);
1927 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1930 retval = SvIV(argsv);
1931 s = INT2PTR(char*,retval); /* ouch */
1934 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1936 if (optype == OP_IOCTL)
1938 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1940 DIE(aTHX_ "ioctl is not implemented");
1944 #if defined(OS2) && defined(__EMX__)
1945 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1947 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1950 DIE(aTHX_ "fcntl is not implemented");
1954 if (s[SvCUR(argsv)] != 17)
1955 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
1956 PL_op_name[optype]);
1957 s[SvCUR(argsv)] = 0; /* put our null back */
1958 SvSETMAGIC(argsv); /* Assume it has changed */
1967 PUSHp(zero_but_true, ZBTLEN);
1987 fp = IoIFP(GvIOp(gv));
1991 (void)PerlIO_flush(fp);
1992 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1996 SETERRNO(EBADF,RMS$_IFI);
1997 if (ckWARN(WARN_CLOSED))
1998 report_closed_fh(gv, GvIO(gv), "flock", "filehandle");
2003 DIE(aTHX_ PL_no_func, "flock()");
2015 int protocol = POPi;
2023 SETERRNO(EBADF,LIB$_INVARG);
2029 do_close(gv, FALSE);
2031 TAINT_PROPER("socket");
2032 fd = PerlSock_socket(domain, type, protocol);
2035 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2036 IoOFP(io) = PerlIO_fdopen(fd, "w");
2038 if (!IoIFP(io) || !IoOFP(io)) {
2039 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2040 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2041 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2044 #if defined(HAS_FCNTL) && defined(F_SETFD)
2045 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2050 DIE(aTHX_ PL_no_sock_func, "socket");
2057 #ifdef HAS_SOCKETPAIR
2062 int protocol = POPi;
2075 do_close(gv1, FALSE);
2077 do_close(gv2, FALSE);
2079 TAINT_PROPER("socketpair");
2080 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2082 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2083 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2085 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2086 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2088 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2089 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2090 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2091 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2092 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2093 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2094 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2097 #if defined(HAS_FCNTL) && defined(F_SETFD)
2098 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2099 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2104 DIE(aTHX_ PL_no_sock_func, "socketpair");
2112 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2113 extern GETPRIVMODE();
2114 extern GETUSERMODE();
2119 register IO *io = GvIOn(gv);
2123 int mpeprivmode = 0;
2126 if (!io || !IoIFP(io))
2129 addr = SvPV(addrsv, len);
2130 TAINT_PROPER("bind");
2131 #ifdef MPE /* Deal with MPE bind() peculiarities */
2132 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2133 /* The address *MUST* stupidly be zero. */
2134 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2135 /* PRIV mode is required to bind() to ports < 1024. */
2136 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2137 ((struct sockaddr_in *)addr)->sin_port > 0) {
2138 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2143 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2144 (struct sockaddr *)addr, len) >= 0)
2147 #ifdef MPE /* Switch back to USER mode */
2158 if (ckWARN(WARN_CLOSED))
2159 report_closed_fh(gv, io, "bind", "socket");
2160 SETERRNO(EBADF,SS$_IVCHAN);
2163 DIE(aTHX_ PL_no_sock_func, "bind");
2174 register IO *io = GvIOn(gv);
2177 if (!io || !IoIFP(io))
2180 addr = SvPV(addrsv, len);
2181 TAINT_PROPER("connect");
2182 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2188 if (ckWARN(WARN_CLOSED))
2189 report_closed_fh(gv, io, "connect", "socket");
2190 SETERRNO(EBADF,SS$_IVCHAN);
2193 DIE(aTHX_ PL_no_sock_func, "connect");
2203 register IO *io = GvIOn(gv);
2205 if (!io || !IoIFP(io))
2208 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2214 if (ckWARN(WARN_CLOSED))
2215 report_closed_fh(gv, io, "listen", "socket");
2216 SETERRNO(EBADF,SS$_IVCHAN);
2219 DIE(aTHX_ PL_no_sock_func, "listen");
2231 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2232 Sock_size_t len = sizeof saddr;
2244 if (!gstio || !IoIFP(gstio))
2249 do_close(ngv, FALSE);
2251 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2254 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2255 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2256 IoTYPE(nstio) = 's';
2257 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2258 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2259 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2260 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2263 #if defined(HAS_FCNTL) && defined(F_SETFD)
2264 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2267 PUSHp((char *)&saddr, len);
2271 if (ckWARN(WARN_CLOSED))
2272 report_closed_fh(ggv, ggv ? GvIO(ggv) : 0, "accept", "socket");
2273 SETERRNO(EBADF,SS$_IVCHAN);
2279 DIE(aTHX_ PL_no_sock_func, "accept");
2289 register IO *io = GvIOn(gv);
2291 if (!io || !IoIFP(io))
2294 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2298 if (ckWARN(WARN_CLOSED))
2299 report_closed_fh(gv, io, "shutdown", "socket");
2300 SETERRNO(EBADF,SS$_IVCHAN);
2303 DIE(aTHX_ PL_no_sock_func, "shutdown");
2310 return pp_ssockopt();
2312 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2320 int optype = PL_op->op_type;
2323 unsigned int optname;
2329 if (optype == OP_GSOCKOPT)
2330 sv = sv_2mortal(NEWSV(22, 257));
2333 optname = (unsigned int) POPi;
2334 lvl = (unsigned int) POPi;
2338 if (!io || !IoIFP(io))
2341 fd = PerlIO_fileno(IoIFP(io));
2345 (void)SvPOK_only(sv);
2349 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2364 aint = (int)SvIV(sv);
2368 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2377 if (ckWARN(WARN_CLOSED))
2378 report_closed_fh(gv, io,
2379 optype == OP_GSOCKOPT ? "getsockopt" : "setsockopt",
2381 SETERRNO(EBADF,SS$_IVCHAN);
2386 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2393 return pp_getpeername();
2395 DIE(aTHX_ PL_no_sock_func, "getsockname");
2403 int optype = PL_op->op_type;
2407 register IO *io = GvIOn(gv);
2410 if (!io || !IoIFP(io))
2413 sv = sv_2mortal(NEWSV(22, 257));
2414 (void)SvPOK_only(sv);
2418 fd = PerlIO_fileno(IoIFP(io));
2420 case OP_GETSOCKNAME:
2421 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2424 case OP_GETPEERNAME:
2425 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2427 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2429 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";
2430 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2431 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2432 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2433 sizeof(u_short) + sizeof(struct in_addr))) {
2440 #ifdef BOGUS_GETNAME_RETURN
2441 /* Interactive Unix, getpeername() and getsockname()
2442 does not return valid namelen */
2443 if (len == BOGUS_GETNAME_RETURN)
2444 len = sizeof(struct sockaddr);
2452 if (ckWARN(WARN_CLOSED))
2453 report_closed_fh(gv, io,
2454 optype == OP_GETSOCKNAME ? "getsockname"
2457 SETERRNO(EBADF,SS$_IVCHAN);
2462 DIE(aTHX_ PL_no_sock_func, "getpeername");
2481 if (PL_op->op_flags & OPf_REF) {
2484 if (tmpgv != PL_defgv) {
2485 PL_laststype = OP_STAT;
2487 sv_setpv(PL_statname, "");
2488 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2489 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2491 if (PL_laststatval < 0)
2496 if (SvTYPE(sv) == SVt_PVGV) {
2500 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2501 tmpgv = (GV*)SvRV(sv);
2504 sv_setpv(PL_statname, SvPV(sv,n_a));
2507 PL_laststype = PL_op->op_type;
2508 if (PL_op->op_type == OP_LSTAT)
2509 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2512 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2513 if (PL_laststatval < 0) {
2514 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2515 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2521 if (gimme != G_ARRAY) {
2522 if (gimme != G_VOID)
2523 XPUSHs(boolSV(max));
2529 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2530 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2531 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mode)));
2532 PUSHs(sv_2mortal(newSViv(PL_statcache.st_nlink)));
2533 #if Uid_t_size > IVSIZE
2534 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2536 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2538 #if Gid_t_size > IVSIZE
2539 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2541 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2543 #ifdef USE_STAT_RDEV
2544 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2546 PUSHs(sv_2mortal(newSVpvn("", 0)));
2548 #if Off_t_size > IVSIZE
2549 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2551 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2554 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2555 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2556 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2558 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2559 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2560 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2562 #ifdef USE_STAT_BLOCKS
2563 PUSHs(sv_2mortal(newSViv(PL_statcache.st_blksize)));
2564 PUSHs(sv_2mortal(newSViv(PL_statcache.st_blocks)));
2566 PUSHs(sv_2mortal(newSVpvn("", 0)));
2567 PUSHs(sv_2mortal(newSVpvn("", 0)));
2577 #if defined(HAS_ACCESS) && defined(R_OK)
2579 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2580 result = access(TOPpx, R_OK);
2595 if (cando(S_IRUSR, 0, &PL_statcache))
2604 #if defined(HAS_ACCESS) && defined(W_OK)
2606 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2607 result = access(TOPpx, W_OK);
2622 if (cando(S_IWUSR, 0, &PL_statcache))
2631 #if defined(HAS_ACCESS) && defined(X_OK)
2633 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2634 result = access(TOPpx, X_OK);
2649 if (cando(S_IXUSR, 0, &PL_statcache))
2658 #ifdef PERL_EFF_ACCESS_R_OK
2660 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2661 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2676 if (cando(S_IRUSR, 1, &PL_statcache))
2685 #ifdef PERL_EFF_ACCESS_W_OK
2687 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2688 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2703 if (cando(S_IWUSR, 1, &PL_statcache))
2712 #ifdef PERL_EFF_ACCESS_X_OK
2714 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2715 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2730 if (cando(S_IXUSR, 1, &PL_statcache))
2737 I32 result = my_stat();
2746 return pp_ftrowned();
2751 I32 result = my_stat();
2755 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2763 I32 result = my_stat();
2767 if (PL_statcache.st_size == 0)
2774 I32 result = my_stat();
2778 #if Off_t_size > IVSIZE
2779 PUSHn(PL_statcache.st_size);
2781 PUSHi(PL_statcache.st_size);
2788 I32 result = my_stat();
2792 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2798 I32 result = my_stat();
2802 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2808 I32 result = my_stat();
2812 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
2818 I32 result = my_stat();
2822 if (S_ISSOCK(PL_statcache.st_mode))
2829 I32 result = my_stat();
2833 if (S_ISCHR(PL_statcache.st_mode))
2840 I32 result = my_stat();
2844 if (S_ISBLK(PL_statcache.st_mode))
2851 I32 result = my_stat();
2855 if (S_ISREG(PL_statcache.st_mode))
2862 I32 result = my_stat();
2866 if (S_ISDIR(PL_statcache.st_mode))
2873 I32 result = my_stat();
2877 if (S_ISFIFO(PL_statcache.st_mode))
2884 I32 result = my_lstat();
2888 if (S_ISLNK(PL_statcache.st_mode))
2897 I32 result = my_stat();
2901 if (PL_statcache.st_mode & S_ISUID)
2911 I32 result = my_stat();
2915 if (PL_statcache.st_mode & S_ISGID)
2925 I32 result = my_stat();
2929 if (PL_statcache.st_mode & S_ISVTX)
2940 char *tmps = Nullch;
2943 if (PL_op->op_flags & OPf_REF)
2945 else if (isGV(TOPs))
2947 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2948 gv = (GV*)SvRV(POPs);
2950 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2952 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2953 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2954 else if (tmps && isDIGIT(*tmps))
2958 if (PerlLIO_isatty(fd))
2963 #if defined(atarist) /* this will work with atariST. Configure will
2964 make guesses for other systems. */
2965 # define FILE_base(f) ((f)->_base)
2966 # define FILE_ptr(f) ((f)->_ptr)
2967 # define FILE_cnt(f) ((f)->_cnt)
2968 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2978 register STDCHAR *s;
2985 if (PL_op->op_flags & OPf_REF)
2987 else if (isGV(TOPs))
2989 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2990 gv = (GV*)SvRV(POPs);
2996 if (gv == PL_defgv) {
2998 io = GvIO(PL_statgv);
3001 goto really_filename;
3006 PL_laststatval = -1;
3007 sv_setpv(PL_statname, "");
3008 io = GvIO(PL_statgv);
3010 if (io && IoIFP(io)) {
3011 if (! PerlIO_has_base(IoIFP(io)))
3012 DIE(aTHX_ "-T and -B not implemented on filehandles");
3013 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3014 if (PL_laststatval < 0)
3016 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
3017 if (PL_op->op_type == OP_FTTEXT)
3021 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3022 i = PerlIO_getc(IoIFP(io));
3024 (void)PerlIO_ungetc(IoIFP(io),i);
3026 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3028 len = PerlIO_get_bufsiz(IoIFP(io));
3029 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3030 /* sfio can have large buffers - limit to 512 */
3035 if (ckWARN(WARN_UNOPENED)) {
3037 Perl_warner(aTHX_ WARN_UNOPENED, "Test on unopened file <%s>",
3040 SETERRNO(EBADF,RMS$_IFI);
3048 PL_laststatval = -1;
3049 sv_setpv(PL_statname, SvPV(sv, n_a));
3050 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3051 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3052 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3055 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3056 if (PL_laststatval < 0) {
3057 (void)PerlIO_close(fp);
3060 do_binmode(fp, '<', TRUE);
3061 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3062 (void)PerlIO_close(fp);
3064 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3065 RETPUSHNO; /* special case NFS directories */
3066 RETPUSHYES; /* null file is anything */
3071 /* now scan s to look for textiness */
3072 /* XXX ASCII dependent code */
3074 #if defined(DOSISH) || defined(USEMYBINMODE)
3075 /* ignore trailing ^Z on short files */
3076 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3080 for (i = 0; i < len; i++, s++) {
3081 if (!*s) { /* null never allowed in text */
3086 else if (!(isPRINT(*s) || isSPACE(*s)))
3089 else if (*s & 128) {
3091 if (!(PL_op->op_private & OPpLOCALE) || !isALPHA_LC(*s))
3096 *s != '\n' && *s != '\r' && *s != '\b' &&
3097 *s != '\t' && *s != '\f' && *s != 27)
3102 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3126 if (!tmps || !*tmps) {
3127 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3129 tmps = SvPV(*svp, n_a);
3131 if (!tmps || !*tmps) {
3132 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3134 tmps = SvPV(*svp, n_a);
3137 if (!tmps || !*tmps) {
3138 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3140 tmps = SvPV(*svp, n_a);
3143 TAINT_PROPER("chdir");
3144 PUSHi( PerlDir_chdir(tmps) >= 0 );
3146 /* Clear the DEFAULT element of ENV so we'll get the new value
3148 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3155 djSP; dMARK; dTARGET;
3158 value = (I32)apply(PL_op->op_type, MARK, SP);
3163 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3174 TAINT_PROPER("chroot");
3175 PUSHi( chroot(tmps) >= 0 );
3178 DIE(aTHX_ PL_no_func, "chroot");
3184 djSP; dMARK; dTARGET;
3186 value = (I32)apply(PL_op->op_type, MARK, SP);
3194 djSP; dMARK; dTARGET;
3196 value = (I32)apply(PL_op->op_type, MARK, SP);
3204 djSP; dMARK; dTARGET;
3206 value = (I32)apply(PL_op->op_type, MARK, SP);
3218 char *tmps2 = POPpx;
3219 char *tmps = SvPV(TOPs, n_a);
3220 TAINT_PROPER("rename");
3222 anum = PerlLIO_rename(tmps, tmps2);
3224 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3225 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3228 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3229 (void)UNLINK(tmps2);
3230 if (!(anum = link(tmps, tmps2)))
3231 anum = UNLINK(tmps);
3244 char *tmps2 = POPpx;
3245 char *tmps = SvPV(TOPs, n_a);
3246 TAINT_PROPER("link");
3247 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3249 DIE(aTHX_ PL_no_func, "Unsupported function link");
3259 char *tmps2 = POPpx;
3260 char *tmps = SvPV(TOPs, n_a);
3261 TAINT_PROPER("symlink");
3262 SETi( symlink(tmps, tmps2) >= 0 );
3265 DIE(aTHX_ PL_no_func, "symlink");
3274 char buf[MAXPATHLEN];
3278 #ifndef INCOMPLETE_TAINTS
3282 len = readlink(tmps, buf, sizeof buf);
3290 RETSETUNDEF; /* just pretend it's a normal file */
3294 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3296 S_dooneliner(pTHX_ char *cmd, char *filename)
3298 char *save_filename = filename;
3304 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3305 strcpy(cmdline, cmd);
3306 strcat(cmdline, " ");
3307 for (s = cmdline + strlen(cmdline); *filename; ) {
3312 myfp = PerlProc_popen(cmdline, "r");
3316 SV *tmpsv = sv_newmortal();
3317 /* Need to save/restore 'PL_rs' ?? */
3318 s = sv_gets(tmpsv, myfp, 0);
3319 (void)PerlProc_pclose(myfp);
3323 #ifdef HAS_SYS_ERRLIST
3328 /* you don't see this */
3330 #ifdef HAS_SYS_ERRLIST
3338 if (instr(s, errmsg)) {
3345 #define EACCES EPERM
3347 if (instr(s, "cannot make"))
3348 SETERRNO(EEXIST,RMS$_FEX);
3349 else if (instr(s, "existing file"))
3350 SETERRNO(EEXIST,RMS$_FEX);
3351 else if (instr(s, "ile exists"))
3352 SETERRNO(EEXIST,RMS$_FEX);
3353 else if (instr(s, "non-exist"))
3354 SETERRNO(ENOENT,RMS$_FNF);
3355 else if (instr(s, "does not exist"))
3356 SETERRNO(ENOENT,RMS$_FNF);
3357 else if (instr(s, "not empty"))
3358 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3359 else if (instr(s, "cannot access"))
3360 SETERRNO(EACCES,RMS$_PRV);
3362 SETERRNO(EPERM,RMS$_PRV);
3365 else { /* some mkdirs return no failure indication */
3366 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3367 if (PL_op->op_type == OP_RMDIR)
3372 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3396 tmps = SvPV(TOPs, n_a);
3398 TAINT_PROPER("mkdir");
3400 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3402 SETi( dooneliner("mkdir", tmps) );
3403 oldumask = PerlLIO_umask(0);
3404 PerlLIO_umask(oldumask);
3405 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3417 TAINT_PROPER("rmdir");
3419 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3421 XPUSHi( dooneliner("rmdir", tmps) );
3426 /* Directory calls. */
3431 #if defined(Direntry_t) && defined(HAS_READDIR)
3433 char *dirname = POPpx;
3435 register IO *io = GvIOn(gv);
3441 PerlDir_close(IoDIRP(io));
3442 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3448 SETERRNO(EBADF,RMS$_DIR);
3451 DIE(aTHX_ PL_no_dir_func, "opendir");
3458 #if defined(Direntry_t) && defined(HAS_READDIR)
3460 Direntry_t *readdir (DIR *);
3462 register Direntry_t *dp;
3464 register IO *io = GvIOn(gv);
3467 if (!io || !IoDIRP(io))
3470 if (GIMME == G_ARRAY) {
3472 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3474 sv = newSVpvn(dp->d_name, dp->d_namlen);
3476 sv = newSVpv(dp->d_name, 0);
3478 #ifndef INCOMPLETE_TAINTS
3481 XPUSHs(sv_2mortal(sv));
3485 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3488 sv = newSVpvn(dp->d_name, dp->d_namlen);
3490 sv = newSVpv(dp->d_name, 0);
3492 #ifndef INCOMPLETE_TAINTS
3495 XPUSHs(sv_2mortal(sv));
3501 SETERRNO(EBADF,RMS$_ISI);
3502 if (GIMME == G_ARRAY)
3507 DIE(aTHX_ PL_no_dir_func, "readdir");
3514 #if defined(HAS_TELLDIR) || defined(telldir)
3515 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3516 /* XXX netbsd still seemed to.
3517 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3518 --JHI 1999-Feb-02 */
3519 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3520 long telldir (DIR *);
3523 register IO *io = GvIOn(gv);
3525 if (!io || !IoDIRP(io))
3528 PUSHi( PerlDir_tell(IoDIRP(io)) );
3532 SETERRNO(EBADF,RMS$_ISI);
3535 DIE(aTHX_ PL_no_dir_func, "telldir");
3542 #if defined(HAS_SEEKDIR) || defined(seekdir)
3545 register IO *io = GvIOn(gv);
3547 if (!io || !IoDIRP(io))
3550 (void)PerlDir_seek(IoDIRP(io), along);
3555 SETERRNO(EBADF,RMS$_ISI);
3558 DIE(aTHX_ PL_no_dir_func, "seekdir");
3565 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3567 register IO *io = GvIOn(gv);
3569 if (!io || !IoDIRP(io))
3572 (void)PerlDir_rewind(IoDIRP(io));
3576 SETERRNO(EBADF,RMS$_ISI);
3579 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3586 #if defined(Direntry_t) && defined(HAS_READDIR)
3588 register IO *io = GvIOn(gv);
3590 if (!io || !IoDIRP(io))
3593 #ifdef VOID_CLOSEDIR
3594 PerlDir_close(IoDIRP(io));
3596 if (PerlDir_close(IoDIRP(io)) < 0) {
3597 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3606 SETERRNO(EBADF,RMS$_IFI);
3609 DIE(aTHX_ PL_no_dir_func, "closedir");
3613 /* Process control. */
3623 PERL_FLUSHALL_FOR_CHILD;
3629 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3630 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3631 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3636 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3641 PERL_FLUSHALL_FOR_CHILD;
3642 childpid = PerlProc_fork();
3646 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3653 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3658 childpid = wait4pid(-1, &argflags, 0);
3659 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3663 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3669 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3677 childpid = wait4pid(childpid, &argflags, optype);
3678 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3682 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3688 djSP; dMARK; dORIGMARK; dTARGET;
3693 Sigsave_t ihand,qhand; /* place to save signals during system() */
3698 if (SP - MARK == 1) {
3700 char *junk = SvPV(TOPs, n_a);
3702 TAINT_PROPER("system");
3705 PERL_FLUSHALL_FOR_CHILD;
3706 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3707 if (PerlProc_pipe(pp) >= 0)
3709 while ((childpid = vfork()) == -1) {
3710 if (errno != EAGAIN) {
3715 PerlLIO_close(pp[0]);
3716 PerlLIO_close(pp[1]);
3724 PerlLIO_close(pp[1]);
3725 rsignal_save(SIGINT, SIG_IGN, &ihand);
3726 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3728 result = wait4pid(childpid, &status, 0);
3729 } while (result == -1 && errno == EINTR);
3730 (void)rsignal_restore(SIGINT, &ihand);
3731 (void)rsignal_restore(SIGQUIT, &qhand);
3732 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3733 do_execfree(); /* free any memory child malloced on vfork */
3739 while (n < sizeof(int)) {
3740 n1 = PerlLIO_read(pp[0],
3741 (void*)(((char*)&errkid)+n),
3747 PerlLIO_close(pp[0]);
3748 if (n) { /* Error */
3749 if (n != sizeof(int))
3750 DIE(aTHX_ "panic: kid popen errno read");
3751 errno = errkid; /* Propagate errno from kid */
3752 STATUS_CURRENT = -1;
3755 PUSHi(STATUS_CURRENT);
3759 PerlLIO_close(pp[0]);
3760 #if defined(HAS_FCNTL) && defined(F_SETFD)
3761 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3764 if (PL_op->op_flags & OPf_STACKED) {
3765 SV *really = *++MARK;
3766 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3768 else if (SP - MARK != 1)
3769 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3771 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3774 #else /* ! FORK or VMS or OS/2 */
3775 if (PL_op->op_flags & OPf_STACKED) {
3776 SV *really = *++MARK;
3777 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3779 else if (SP - MARK != 1)
3780 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3782 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3784 STATUS_NATIVE_SET(value);
3787 PUSHi(STATUS_CURRENT);
3788 #endif /* !FORK or VMS */
3794 djSP; dMARK; dORIGMARK; dTARGET;
3798 PERL_FLUSHALL_FOR_CHILD;
3799 if (PL_op->op_flags & OPf_STACKED) {
3800 SV *really = *++MARK;
3801 value = (I32)do_aexec(really, MARK, SP);
3803 else if (SP - MARK != 1)
3805 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3809 (void ) do_aspawn(Nullsv, MARK, SP);
3813 value = (I32)do_aexec(Nullsv, MARK, SP);
3818 char *junk = SvPV(*SP, n_a);
3820 TAINT_PROPER("exec");
3823 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3826 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3829 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3834 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3846 djSP; dMARK; dTARGET;
3849 value = (I32)apply(PL_op->op_type, MARK, SP);
3854 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3862 XPUSHi( getppid() );
3865 DIE(aTHX_ PL_no_func, "getppid");
3881 pgrp = (I32)BSD_GETPGRP(pid);
3883 if (pid != 0 && pid != PerlProc_getpid())
3884 DIE(aTHX_ "POSIX getpgrp can't take an argument");
3890 DIE(aTHX_ PL_no_func, "getpgrp()");
3909 TAINT_PROPER("setpgrp");
3911 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3913 if ((pgrp != 0 && pgrp != PerlProc_getpid())
3914 || (pid != 0 && pid != PerlProc_getpid()))
3916 DIE(aTHX_ "setpgrp can't take arguments");
3918 SETi( setpgrp() >= 0 );
3919 #endif /* USE_BSDPGRP */
3922 DIE(aTHX_ PL_no_func, "setpgrp()");
3931 #ifdef HAS_GETPRIORITY
3934 SETi( getpriority(which, who) );
3937 DIE(aTHX_ PL_no_func, "getpriority()");
3947 #ifdef HAS_SETPRIORITY
3951 TAINT_PROPER("setpriority");
3952 SETi( setpriority(which, who, niceval) >= 0 );
3955 DIE(aTHX_ PL_no_func, "setpriority()");
3965 XPUSHn( time(Null(Time_t*)) );
3967 XPUSHi( time(Null(Time_t*)) );
3972 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3973 to HZ. Probably. For now, assume that if the system
3974 defines HZ, it does so correctly. (Will this break
3976 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3977 it's supported. --AD 9/96.
3993 DIE(aTHX_ "times not implemented");
3998 (void)PerlProc_times(&PL_timesbuf);
4000 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
4001 /* struct tms, though same data */
4005 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
4006 if (GIMME == G_ARRAY) {
4007 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
4008 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
4009 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
4012 #endif /* HAS_TIMES */
4025 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4026 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4027 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4033 when = (Time_t)SvNVx(POPs);
4035 when = (Time_t)SvIVx(POPs);
4038 if (PL_op->op_type == OP_LOCALTIME)
4039 tmbuf = localtime(&when);
4041 tmbuf = gmtime(&when);
4045 if (GIMME != G_ARRAY) {
4050 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4051 dayname[tmbuf->tm_wday],
4052 monname[tmbuf->tm_mon],
4057 tmbuf->tm_year + 1900);
4058 PUSHs(sv_2mortal(tsv));
4061 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4062 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4063 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4064 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4065 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4066 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4067 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4068 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4069 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4080 anum = alarm((unsigned int)anum);
4087 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4098 (void)time(&lasttime);
4103 PerlProc_sleep((unsigned int)duration);
4106 XPUSHi(when - lasttime);
4110 /* Shared memory. */
4124 return pp_shmwrite();
4129 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4130 djSP; dMARK; dTARGET;
4131 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4140 /* Message passing. */
4154 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4155 djSP; dMARK; dTARGET;
4156 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4167 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4168 djSP; dMARK; dTARGET;
4169 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4182 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4183 djSP; dMARK; dTARGET;
4184 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4191 DIE(aTHX_ "System V IPC is not implemented on this machine");
4197 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4198 djSP; dMARK; dTARGET;
4199 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4207 PUSHp(zero_but_true, ZBTLEN);
4217 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4218 djSP; dMARK; dTARGET;
4219 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4228 /* Get system info. */
4232 #ifdef HAS_GETHOSTBYNAME
4233 return pp_ghostent();
4235 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4241 #ifdef HAS_GETHOSTBYADDR
4242 return pp_ghostent();
4244 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4251 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4252 I32 which = PL_op->op_type;
4253 register char **elem;
4255 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4256 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4257 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4258 struct hostent *PerlSock_gethostent(void);
4260 struct hostent *hent;
4265 if (which == OP_GHBYNAME)
4266 #ifdef HAS_GETHOSTBYNAME
4267 hent = PerlSock_gethostbyname(POPpx);
4269 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4271 else if (which == OP_GHBYADDR) {
4272 #ifdef HAS_GETHOSTBYADDR
4273 int addrtype = POPi;
4276 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4278 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4280 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4284 #ifdef HAS_GETHOSTENT
4285 hent = PerlSock_gethostent();
4287 DIE(aTHX_ PL_no_sock_func, "gethostent");
4290 #ifdef HOST_NOT_FOUND
4292 STATUS_NATIVE_SET(h_errno);
4295 if (GIMME != G_ARRAY) {
4296 PUSHs(sv = sv_newmortal());
4298 if (which == OP_GHBYNAME) {
4300 sv_setpvn(sv, hent->h_addr, hent->h_length);
4303 sv_setpv(sv, (char*)hent->h_name);
4309 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4310 sv_setpv(sv, (char*)hent->h_name);
4311 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4312 for (elem = hent->h_aliases; elem && *elem; elem++) {
4313 sv_catpv(sv, *elem);
4315 sv_catpvn(sv, " ", 1);
4317 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4318 sv_setiv(sv, (IV)hent->h_addrtype);
4319 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4320 len = hent->h_length;
4321 sv_setiv(sv, (IV)len);
4323 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4324 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4325 sv_setpvn(sv, *elem, len);
4328 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4330 sv_setpvn(sv, hent->h_addr, len);
4335 DIE(aTHX_ PL_no_sock_func, "gethostent");
4341 #ifdef HAS_GETNETBYNAME
4342 return pp_gnetent();
4344 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4350 #ifdef HAS_GETNETBYADDR
4351 return pp_gnetent();
4353 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4360 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4361 I32 which = PL_op->op_type;
4362 register char **elem;
4364 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4365 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4366 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4367 struct netent *PerlSock_getnetent(void);
4369 struct netent *nent;
4372 if (which == OP_GNBYNAME)
4373 #ifdef HAS_GETNETBYNAME
4374 nent = PerlSock_getnetbyname(POPpx);
4376 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4378 else if (which == OP_GNBYADDR) {
4379 #ifdef HAS_GETNETBYADDR
4380 int addrtype = POPi;
4381 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4382 nent = PerlSock_getnetbyaddr(addr, addrtype);
4384 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4388 #ifdef HAS_GETNETENT
4389 nent = PerlSock_getnetent();
4391 DIE(aTHX_ PL_no_sock_func, "getnetent");
4395 if (GIMME != G_ARRAY) {
4396 PUSHs(sv = sv_newmortal());
4398 if (which == OP_GNBYNAME)
4399 sv_setiv(sv, (IV)nent->n_net);
4401 sv_setpv(sv, nent->n_name);
4407 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4408 sv_setpv(sv, nent->n_name);
4409 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4410 for (elem = nent->n_aliases; elem && *elem; elem++) {
4411 sv_catpv(sv, *elem);
4413 sv_catpvn(sv, " ", 1);
4415 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4416 sv_setiv(sv, (IV)nent->n_addrtype);
4417 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4418 sv_setiv(sv, (IV)nent->n_net);
4423 DIE(aTHX_ PL_no_sock_func, "getnetent");
4429 #ifdef HAS_GETPROTOBYNAME
4430 return pp_gprotoent();
4432 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4438 #ifdef HAS_GETPROTOBYNUMBER
4439 return pp_gprotoent();
4441 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4448 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4449 I32 which = PL_op->op_type;
4450 register char **elem;
4452 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4453 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4454 struct protoent *PerlSock_getprotobynumber(int);
4455 struct protoent *PerlSock_getprotoent(void);
4457 struct protoent *pent;
4460 if (which == OP_GPBYNAME)
4461 #ifdef HAS_GETPROTOBYNAME
4462 pent = PerlSock_getprotobyname(POPpx);
4464 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4466 else if (which == OP_GPBYNUMBER)
4467 #ifdef HAS_GETPROTOBYNUMBER
4468 pent = PerlSock_getprotobynumber(POPi);
4470 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4473 #ifdef HAS_GETPROTOENT
4474 pent = PerlSock_getprotoent();
4476 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4480 if (GIMME != G_ARRAY) {
4481 PUSHs(sv = sv_newmortal());
4483 if (which == OP_GPBYNAME)
4484 sv_setiv(sv, (IV)pent->p_proto);
4486 sv_setpv(sv, pent->p_name);
4492 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4493 sv_setpv(sv, pent->p_name);
4494 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4495 for (elem = pent->p_aliases; elem && *elem; elem++) {
4496 sv_catpv(sv, *elem);
4498 sv_catpvn(sv, " ", 1);
4500 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4501 sv_setiv(sv, (IV)pent->p_proto);
4506 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4512 #ifdef HAS_GETSERVBYNAME
4513 return pp_gservent();
4515 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4521 #ifdef HAS_GETSERVBYPORT
4522 return pp_gservent();
4524 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4531 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4532 I32 which = PL_op->op_type;
4533 register char **elem;
4535 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4536 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4537 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4538 struct servent *PerlSock_getservent(void);
4540 struct servent *sent;
4543 if (which == OP_GSBYNAME) {
4544 #ifdef HAS_GETSERVBYNAME
4545 char *proto = POPpx;
4548 if (proto && !*proto)
4551 sent = PerlSock_getservbyname(name, proto);
4553 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4556 else if (which == OP_GSBYPORT) {
4557 #ifdef HAS_GETSERVBYPORT
4558 char *proto = POPpx;
4559 unsigned short port = POPu;
4562 port = PerlSock_htons(port);
4564 sent = PerlSock_getservbyport(port, proto);
4566 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4570 #ifdef HAS_GETSERVENT
4571 sent = PerlSock_getservent();
4573 DIE(aTHX_ PL_no_sock_func, "getservent");
4577 if (GIMME != G_ARRAY) {
4578 PUSHs(sv = sv_newmortal());
4580 if (which == OP_GSBYNAME) {
4582 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4584 sv_setiv(sv, (IV)(sent->s_port));
4588 sv_setpv(sv, sent->s_name);
4594 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4595 sv_setpv(sv, sent->s_name);
4596 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4597 for (elem = sent->s_aliases; elem && *elem; elem++) {
4598 sv_catpv(sv, *elem);
4600 sv_catpvn(sv, " ", 1);
4602 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4604 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4606 sv_setiv(sv, (IV)(sent->s_port));
4608 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4609 sv_setpv(sv, sent->s_proto);
4614 DIE(aTHX_ PL_no_sock_func, "getservent");
4621 #ifdef HAS_SETHOSTENT
4622 PerlSock_sethostent(TOPi);
4625 DIE(aTHX_ PL_no_sock_func, "sethostent");
4632 #ifdef HAS_SETNETENT
4633 PerlSock_setnetent(TOPi);
4636 DIE(aTHX_ PL_no_sock_func, "setnetent");
4643 #ifdef HAS_SETPROTOENT
4644 PerlSock_setprotoent(TOPi);
4647 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4654 #ifdef HAS_SETSERVENT
4655 PerlSock_setservent(TOPi);
4658 DIE(aTHX_ PL_no_sock_func, "setservent");
4665 #ifdef HAS_ENDHOSTENT
4666 PerlSock_endhostent();
4670 DIE(aTHX_ PL_no_sock_func, "endhostent");
4677 #ifdef HAS_ENDNETENT
4678 PerlSock_endnetent();
4682 DIE(aTHX_ PL_no_sock_func, "endnetent");
4689 #ifdef HAS_ENDPROTOENT
4690 PerlSock_endprotoent();
4694 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4701 #ifdef HAS_ENDSERVENT
4702 PerlSock_endservent();
4706 DIE(aTHX_ PL_no_sock_func, "endservent");
4715 DIE(aTHX_ PL_no_func, "getpwnam");
4724 DIE(aTHX_ PL_no_func, "getpwuid");
4732 I32 which = PL_op->op_type;
4734 struct passwd *pwent;
4736 #if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4737 struct spwd *spwent = NULL;
4740 if (which == OP_GPWNAM)
4741 pwent = getpwnam(POPpx);
4742 else if (which == OP_GPWUID)
4743 pwent = getpwuid(POPi);
4746 pwent = (struct passwd *)getpwent();
4748 DIE(aTHX_ PL_no_func, "getpwent");
4752 if (which == OP_GPWNAM) {
4754 spwent = getspnam(pwent->pw_name);
4756 # ifdef HAS_GETSPUID /* AFAIK there isn't any anywhere. --jhi */
4757 else if (which == OP_GPWUID) {
4759 spwent = getspnam(pwent->pw_name);
4762 # ifdef HAS_GETSPENT
4764 spwent = (struct spwd *)getspent();
4769 if (GIMME != G_ARRAY) {
4770 PUSHs(sv = sv_newmortal());
4772 if (which == OP_GPWNAM)
4773 sv_setiv(sv, (IV)pwent->pw_uid);
4775 sv_setpv(sv, pwent->pw_name);
4781 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4782 sv_setpv(sv, pwent->pw_name);
4784 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4786 # if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4788 sv_setpv(sv, spwent->sp_pwdp);
4790 sv_setpv(sv, pwent->pw_passwd);
4792 sv_setpv(sv, pwent->pw_passwd);
4796 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4797 sv_setiv(sv, (IV)pwent->pw_uid);
4799 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4800 sv_setiv(sv, (IV)pwent->pw_gid);
4802 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4803 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4805 sv_setiv(sv, (IV)pwent->pw_change);
4808 sv_setiv(sv, (IV)pwent->pw_quota);
4811 sv_setpv(sv, pwent->pw_age);
4816 /* pw_class and pw_comment are mutually exclusive. */
4817 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4819 sv_setpv(sv, pwent->pw_class);
4822 sv_setpv(sv, pwent->pw_comment);
4826 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4828 sv_setpv(sv, pwent->pw_gecos);
4830 #ifndef INCOMPLETE_TAINTS
4831 /* pw_gecos is tainted because user himself can diddle with it. */
4835 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4836 sv_setpv(sv, pwent->pw_dir);
4838 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4839 sv_setpv(sv, pwent->pw_shell);
4842 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4843 sv_setiv(sv, (IV)pwent->pw_expire);
4848 DIE(aTHX_ PL_no_func, "getpwent");
4855 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
4857 # ifdef HAS_SETSPENT
4862 DIE(aTHX_ PL_no_func, "setpwent");
4869 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4871 # ifdef HAS_ENDSPENT
4876 DIE(aTHX_ PL_no_func, "endpwent");
4885 DIE(aTHX_ PL_no_func, "getgrnam");
4894 DIE(aTHX_ PL_no_func, "getgrgid");
4902 I32 which = PL_op->op_type;
4903 register char **elem;
4905 struct group *grent;
4908 if (which == OP_GGRNAM)
4909 grent = (struct group *)getgrnam(POPpx);
4910 else if (which == OP_GGRGID)
4911 grent = (struct group *)getgrgid(POPi);
4914 grent = (struct group *)getgrent();
4916 DIE(aTHX_ PL_no_func, "getgrent");
4920 if (GIMME != G_ARRAY) {
4921 PUSHs(sv = sv_newmortal());
4923 if (which == OP_GGRNAM)
4924 sv_setiv(sv, (IV)grent->gr_gid);
4926 sv_setpv(sv, grent->gr_name);
4932 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4933 sv_setpv(sv, grent->gr_name);
4935 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4937 sv_setpv(sv, grent->gr_passwd);
4940 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4941 sv_setiv(sv, (IV)grent->gr_gid);
4943 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4944 for (elem = grent->gr_mem; elem && *elem; elem++) {
4945 sv_catpv(sv, *elem);
4947 sv_catpvn(sv, " ", 1);
4953 DIE(aTHX_ PL_no_func, "getgrent");
4960 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4964 DIE(aTHX_ PL_no_func, "setgrent");
4971 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4975 DIE(aTHX_ PL_no_func, "endgrent");
4985 if (!(tmps = PerlProc_getlogin()))
4987 PUSHp(tmps, strlen(tmps));
4990 DIE(aTHX_ PL_no_func, "getlogin");
4994 /* Miscellaneous. */
4999 djSP; dMARK; dORIGMARK; dTARGET;
5000 register I32 items = SP - MARK;
5001 unsigned long a[20];
5008 while (++MARK <= SP) {
5009 if (SvTAINTED(*MARK)) {
5015 TAINT_PROPER("syscall");
5018 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5019 * or where sizeof(long) != sizeof(char*). But such machines will
5020 * not likely have syscall implemented either, so who cares?
5022 while (++MARK <= SP) {
5023 if (SvNIOK(*MARK) || !i)
5024 a[i++] = SvIV(*MARK);
5025 else if (*MARK == &PL_sv_undef)
5028 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5034 DIE(aTHX_ "Too many args to syscall");
5036 DIE(aTHX_ "Too few args to syscall");
5038 retval = syscall(a[0]);
5041 retval = syscall(a[0],a[1]);
5044 retval = syscall(a[0],a[1],a[2]);
5047 retval = syscall(a[0],a[1],a[2],a[3]);
5050 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5053 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5056 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5059 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5063 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5066 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5069 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5073 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5077 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5081 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5082 a[10],a[11],a[12],a[13]);
5084 #endif /* atarist */
5090 DIE(aTHX_ PL_no_func, "syscall");
5094 #ifdef FCNTL_EMULATE_FLOCK
5096 /* XXX Emulate flock() with fcntl().
5097 What's really needed is a good file locking module.
5101 fcntl_emulate_flock(int fd, int operation)
5105 switch (operation & ~LOCK_NB) {
5107 flock.l_type = F_RDLCK;
5110 flock.l_type = F_WRLCK;
5113 flock.l_type = F_UNLCK;
5119 flock.l_whence = SEEK_SET;
5120 flock.l_start = flock.l_len = (Off_t)0;
5122 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5125 #endif /* FCNTL_EMULATE_FLOCK */
5127 #ifdef LOCKF_EMULATE_FLOCK
5129 /* XXX Emulate flock() with lockf(). This is just to increase
5130 portability of scripts. The calls are not completely
5131 interchangeable. What's really needed is a good file
5135 /* The lockf() constants might have been defined in <unistd.h>.
5136 Unfortunately, <unistd.h> causes troubles on some mixed
5137 (BSD/POSIX) systems, such as SunOS 4.1.3.
5139 Further, the lockf() constants aren't POSIX, so they might not be
5140 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5141 just stick in the SVID values and be done with it. Sigh.
5145 # define F_ULOCK 0 /* Unlock a previously locked region */
5148 # define F_LOCK 1 /* Lock a region for exclusive use */
5151 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5154 # define F_TEST 3 /* Test a region for other processes locks */
5158 lockf_emulate_flock(int fd, int operation)
5164 /* flock locks entire file so for lockf we need to do the same */
5166 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5167 if (pos > 0) /* is seekable and needs to be repositioned */
5168 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5169 pos = -1; /* seek failed, so don't seek back afterwards */
5172 switch (operation) {
5174 /* LOCK_SH - get a shared lock */
5176 /* LOCK_EX - get an exclusive lock */
5178 i = lockf (fd, F_LOCK, 0);
5181 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5182 case LOCK_SH|LOCK_NB:
5183 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5184 case LOCK_EX|LOCK_NB:
5185 i = lockf (fd, F_TLOCK, 0);
5187 if ((errno == EAGAIN) || (errno == EACCES))
5188 errno = EWOULDBLOCK;
5191 /* LOCK_UN - unlock (non-blocking is a no-op) */
5193 case LOCK_UN|LOCK_NB:
5194 i = lockf (fd, F_ULOCK, 0);
5197 /* Default - can't decipher operation */
5204 if (pos > 0) /* need to restore position of the handle */
5205 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5210 #endif /* LOCKF_EMULATE_FLOCK */