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>
119 #include <sys/file.h>
122 /* Put this after #includes because fork and vfork prototypes may conflict. */
127 /* Put this after #includes because <unistd.h> defines _XOPEN_*. */
129 # if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
130 # define Sock_size_t Size_t
132 # define Sock_size_t int
137 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
140 # define my_chsize PerlLIO_chsize
145 #else /* no flock() */
147 /* fcntl.h might not have been included, even if it exists, because
148 the current Configure only sets I_FCNTL if it's needed to pick up
149 the *_OK constants. Make sure it has been included before testing
150 the fcntl() locking constants. */
151 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
155 # if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
156 # define FLOCK fcntl_emulate_flock
157 # define FCNTL_EMULATE_FLOCK
158 # else /* no flock() or fcntl(F_SETLK,...) */
160 # define FLOCK lockf_emulate_flock
161 # define LOCKF_EMULATE_FLOCK
163 # endif /* no flock() or fcntl(F_SETLK,...) */
166 static int FLOCK (int, int);
169 * These are the flock() constants. Since this sytems doesn't have
170 * flock(), the values of the constants are probably not available.
184 # endif /* emulating flock() */
186 #endif /* no flock() */
189 static char zero_but_true[ZBTLEN + 1] = "0 but true";
191 #if defined(I_SYS_ACCESS) && !defined(R_OK)
192 # include <sys/access.h>
195 #if defined(HAS_FCNTL) && defined(F_SETFD) && !defined(FD_CLOEXEC)
196 # define FD_CLOEXEC 1 /* NeXT needs this */
199 #undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */
200 #undef PERL_EFF_ACCESS_W_OK
201 #undef PERL_EFF_ACCESS_X_OK
203 /* F_OK unused: if stat() cannot find it... */
205 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
206 /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */
207 # define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK))
208 # define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK))
209 # define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK))
212 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS)
213 # if defined(I_SYS_SECURITY)
214 # include <sys/security.h>
216 /* XXX Configure test needed for eaccess */
219 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF))
220 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF))
221 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF))
224 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK))
225 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK))
226 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK))
230 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF)
232 # define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF))
233 # define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF))
234 # define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF))
237 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \
238 && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \
239 || defined(HAS_SETREGID) || defined(HAS_SETRESGID))
242 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
244 Uid_t ruid = getuid();
245 Uid_t euid = geteuid();
246 Gid_t rgid = getgid();
247 Gid_t egid = getegid();
251 #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
252 Perl_croak(aTHX_ "switching effective uid is not implemented");
255 if (setreuid(euid, ruid))
258 if (setresuid(euid, ruid, (Uid_t)-1))
261 Perl_croak(aTHX_ "entering effective uid failed");
264 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
265 Perl_croak(aTHX_ "switching effective gid is not implemented");
268 if (setregid(egid, rgid))
271 if (setresgid(egid, rgid, (Gid_t)-1))
274 Perl_croak(aTHX_ "entering effective gid failed");
277 res = access(path, mode);
280 if (setreuid(ruid, euid))
283 if (setresuid(ruid, euid, (Uid_t)-1))
286 Perl_croak(aTHX_ "leaving effective uid failed");
289 if (setregid(rgid, egid))
292 if (setresgid(rgid, egid, (Gid_t)-1))
295 Perl_croak(aTHX_ "leaving effective gid failed");
300 # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
301 # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
302 # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
305 #if !defined(PERL_EFF_ACCESS_R_OK)
307 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
309 Perl_croak(aTHX_ "switching effective uid is not implemented");
324 fp = PerlProc_popen(tmps, "r");
326 if (gimme == G_VOID) {
328 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
332 else if (gimme == G_SCALAR) {
333 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
334 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
345 if (sv_gets(sv, fp, 0) == Nullch) {
349 XPUSHs(sv_2mortal(sv));
350 if (SvLEN(sv) - SvCUR(sv) > 20) {
351 SvLEN_set(sv, SvCUR(sv)+1);
352 Renew(SvPVX(sv), SvLEN(sv), char);
357 STATUS_NATIVE_SET(PerlProc_pclose(fp));
358 TAINT; /* "I believe that this is not gratuitous!" */
361 STATUS_NATIVE_SET(-1);
362 if (gimme == G_SCALAR)
372 tryAMAGICunTARGET(iter, -1);
379 * The external globbing program may use things we can't control,
380 * so for security reasons we must assume the worst.
383 taint_proper(PL_no_security, "glob");
387 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
388 PL_last_in_gv = (GV*)*PL_stack_sp--;
390 SAVESPTR(PL_rs); /* This is not permanent, either. */
391 PL_rs = sv_2mortal(newSVpvn("\000", 1));
394 *SvPVX(PL_rs) = '\n';
398 result = do_readline();
403 #if 0 /* XXX never used! */
407 PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), n_a), TRUE,SVt_PVIO);
408 return do_readline();
414 PL_last_in_gv = cGVOP_gv;
415 return do_readline();
424 if (SP - MARK != 1) {
426 do_join(TARG, &PL_sv_no, MARK, SP);
433 tmps = SvPV(tmpsv, len);
436 (void)SvUPGRADE(error, SVt_PV);
437 if (SvPOK(error) && SvCUR(error))
438 sv_catpv(error, "\t...caught");
440 tmps = SvPV(tmpsv, len);
443 tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26));
445 Perl_warn(aTHX_ "%"SVf, tmpsv);
456 if (SP - MARK != 1) {
458 do_join(TARG, &PL_sv_no, MARK, SP);
460 tmps = SvPV(tmpsv, len);
466 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, len);
470 (void)SvUPGRADE(error, SVt_PV);
471 if (multiarg ? SvROK(error) : SvROK(tmpsv)) {
473 SvSetSV(error,tmpsv);
474 else if (sv_isobject(error)) {
475 HV *stash = SvSTASH(SvRV(error));
476 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
478 SV *file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0));
479 SV *line = sv_2mortal(newSViv(CopLINE(PL_curcop)));
486 call_sv((SV*)GvCV(gv),
487 G_SCALAR|G_EVAL|G_KEEPERR);
488 sv_setsv(error,*PL_stack_sp--);
494 if (SvPOK(error) && SvCUR(error))
495 sv_catpv(error, "\t...propagated");
497 tmps = SvPV(tmpsv, len);
501 tmpsv = sv_2mortal(newSVpvn("Died", 4));
503 DIE(aTHX_ "%"SVf, tmpsv);
526 DIE(aTHX_ PL_no_usym, "filehandle");
531 DIE(aTHX_ PL_no_usym, "filehandle");
533 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
535 if (mg = SvTIED_mg((SV*)gv, 'q')) {
537 XPUSHs(SvTIED_obj((SV*)gv, mg));
543 call_method("OPEN", G_SCALAR);
549 tmps = SvPV(sv, len);
550 if (do_open9(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, name, have_name))
551 PUSHi( (I32)PL_forkprocess );
552 else if (PL_forkprocess == 0) /* we are a new child */
570 if (mg = SvTIED_mg((SV*)gv, 'q')) {
572 XPUSHs(SvTIED_obj((SV*)gv, mg));
575 call_method("CLOSE", G_SCALAR);
581 PUSHs(boolSV(do_close(gv, TRUE)));
601 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
602 DIE(aTHX_ PL_no_usym, "filehandle");
607 do_close(rgv, FALSE);
609 do_close(wgv, FALSE);
611 if (PerlProc_pipe(fd) < 0)
614 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
615 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
616 IoIFP(wstio) = IoOFP(wstio);
620 if (!IoIFP(rstio) || !IoOFP(wstio)) {
621 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
622 else PerlLIO_close(fd[0]);
623 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
624 else PerlLIO_close(fd[1]);
627 #if defined(HAS_FCNTL) && defined(F_SETFD)
628 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
629 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
636 DIE(aTHX_ PL_no_func, "pipe");
652 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
654 XPUSHs(SvTIED_obj((SV*)gv, mg));
657 call_method("FILENO", G_SCALAR);
663 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
665 PUSHi(PerlIO_fileno(fp));
676 anum = PerlLIO_umask(0);
677 (void)PerlLIO_umask(anum);
680 anum = PerlLIO_umask(POPi);
681 TAINT_PROPER("umask");
684 /* Only DIE if trying to restrict permissions on `user' (self).
685 * Otherwise it's harmless and more useful to just return undef
686 * since 'group' and 'other' concepts probably don't exist here. */
687 if (MAXARG >= 1 && (POPi & 0700))
688 DIE(aTHX_ "umask not implemented");
689 XPUSHs(&PL_sv_undef);
707 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
709 XPUSHs(SvTIED_obj((SV*)gv, mg));
712 call_method("BINMODE", G_SCALAR);
719 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
722 if (do_binmode(fp,IoTYPE(io),TRUE))
737 I32 markoff = MARK - PL_stack_base;
744 switch(SvTYPE(varsv)) {
746 methname = "TIEHASH";
749 methname = "TIEARRAY";
752 methname = "TIEHANDLE";
756 methname = "TIESCALAR";
761 if (sv_isobject(*MARK)) {
763 PUSHSTACKi(PERLSI_MAGIC);
769 call_method(methname, G_SCALAR);
772 /* Not clear why we don't call call_method here too.
773 * perhaps to get different error message ?
775 stash = gv_stashsv(*MARK, FALSE);
776 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
777 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
778 methname, SvPV(*MARK,n_a));
781 PUSHSTACKi(PERLSI_MAGIC);
787 call_sv((SV*)GvCV(gv), G_SCALAR);
793 if (sv_isobject(sv)) {
794 sv_unmagic(varsv, how);
795 sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0);
798 SP = PL_stack_base + markoff;
807 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
809 if (ckWARN(WARN_UNTIE)) {
811 if (mg = SvTIED_mg(sv, how)) {
812 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
813 Perl_warner(aTHX_ WARN_UNTIE,
814 "untie attempted while %"UVuf" inner references still exist",
815 (UV)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
827 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
830 if (mg = SvTIED_mg(sv, how)) {
831 SV *osv = SvTIED_obj(sv, mg);
832 if (osv == mg->mg_obj)
833 osv = sv_mortalcopy(osv);
851 sv = sv_mortalcopy(&PL_sv_no);
852 sv_setpv(sv, "AnyDBM_File");
853 stash = gv_stashsv(sv, FALSE);
854 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
856 require_pv("AnyDBM_File.pm");
858 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
859 DIE(aTHX_ "No dbm on this machine");
869 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
871 PUSHs(sv_2mortal(newSViv(O_RDWR)));
874 call_sv((SV*)GvCV(gv), G_SCALAR);
877 if (!sv_isobject(TOPs)) {
882 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
885 call_sv((SV*)GvCV(gv), G_SCALAR);
889 if (sv_isobject(TOPs)) {
890 sv_unmagic((SV *) hv, 'P');
891 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
913 struct timeval timebuf;
914 struct timeval *tbuf = &timebuf;
918 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
923 # if BYTEORDER & 0xf0000
924 # define ORDERBYTE (0x88888888 - BYTEORDER)
926 # define ORDERBYTE (0x4444 - BYTEORDER)
932 for (i = 1; i <= 3; i++) {
940 /* little endians can use vecs directly */
941 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
942 # if SELECT_MIN_BITS > 1
943 /* If SELECT_MIN_BITS is greater than one we most probably will want
944 * to align the sizes with SELECT_MIN_BITS/8 because for example
945 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
946 * UNIX, Solaris, NeXT, Rhapsody) the smallest quantum select() operates
947 * on (sets/tests/clears bits) is 32 bits. */
948 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
950 growsize = sizeof(fd_set);
959 masksize = NFDBITS / NBBY;
961 masksize = sizeof(long); /* documented int, everyone seems to use long */
963 growsize = maxlen + (masksize - (maxlen % masksize));
964 Zero(&fd_sets[0], 4, char*);
972 timebuf.tv_sec = (long)value;
973 value -= (NV)timebuf.tv_sec;
974 timebuf.tv_usec = (long)(value * 1000000.0);
977 tbuf = Null(struct timeval*);
979 for (i = 1; i <= 3; i++) {
986 SvPV_force(sv,n_a); /* force string conversion */
989 Sv_Grow(sv, growsize);
993 while (++j <= growsize) {
997 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
999 New(403, fd_sets[i], growsize, char);
1000 for (offset = 0; offset < growsize; offset += masksize) {
1001 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1002 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1005 fd_sets[i] = SvPVX(sv);
1009 nfound = PerlSock_select(
1011 (Select_fd_set_t) fd_sets[1],
1012 (Select_fd_set_t) fd_sets[2],
1013 (Select_fd_set_t) fd_sets[3],
1015 for (i = 1; i <= 3; i++) {
1018 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1020 for (offset = 0; offset < growsize; offset += masksize) {
1021 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1022 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1024 Safefree(fd_sets[i]);
1031 if (GIMME == G_ARRAY && tbuf) {
1032 value = (NV)(timebuf.tv_sec) +
1033 (NV)(timebuf.tv_usec) / 1000000.0;
1034 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1035 sv_setnv(sv, value);
1039 DIE(aTHX_ "select not implemented");
1044 Perl_setdefout(pTHX_ GV *gv)
1048 (void)SvREFCNT_inc(gv);
1050 SvREFCNT_dec(PL_defoutgv);
1057 GV *newdefout, *egv;
1060 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1062 egv = GvEGV(PL_defoutgv);
1067 XPUSHs(&PL_sv_undef);
1069 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1070 if (gvp && *gvp == egv) {
1071 gv_efullname3(TARG, PL_defoutgv, Nullch);
1075 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1080 if (!GvIO(newdefout))
1081 gv_IOadd(newdefout);
1082 setdefout(newdefout);
1099 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1100 I32 gimme = GIMME_V;
1102 XPUSHs(SvTIED_obj((SV*)gv, mg));
1105 call_method("GETC", gimme);
1108 if (gimme == G_SCALAR)
1109 SvSetMagicSV_nosteal(TARG, TOPs);
1112 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1115 sv_setpv(TARG, " ");
1116 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1123 return pp_sysread();
1127 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1130 register PERL_CONTEXT *cx;
1131 I32 gimme = GIMME_V;
1132 AV* padlist = CvPADLIST(cv);
1133 SV** svp = AvARRAY(padlist);
1139 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1141 SAVEVPTR(PL_curpad);
1142 PL_curpad = AvARRAY((AV*)svp[1]);
1144 setdefout(gv); /* locally select filehandle so $% et al work */
1176 SV *tmpsv = sv_newmortal();
1177 gv_efullname3(tmpsv, fgv, Nullch);
1178 DIE(aTHX_ "Undefined format \"%s\" called",SvPVX(tmpsv));
1180 DIE(aTHX_ "Not a format reference");
1183 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1185 IoFLAGS(io) &= ~IOf_DIDTOP;
1186 return doform(cv,gv,PL_op->op_next);
1192 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1193 register IO *io = GvIOp(gv);
1194 PerlIO *ofp = IoOFP(io);
1198 register PERL_CONTEXT *cx;
1200 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1201 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1202 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1203 PL_formtarget != PL_toptarget)
1207 if (!IoTOP_GV(io)) {
1211 if (!IoTOP_NAME(io)) {
1212 if (!IoFMT_NAME(io))
1213 IoFMT_NAME(io) = savepv(GvNAME(gv));
1214 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1215 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1216 if ((topgv && GvFORM(topgv)) ||
1217 !gv_fetchpv("top",FALSE,SVt_PVFM))
1218 IoTOP_NAME(io) = savepv(SvPVX(topname));
1220 IoTOP_NAME(io) = savepv("top");
1222 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1223 if (!topgv || !GvFORM(topgv)) {
1224 IoLINES_LEFT(io) = 100000000;
1227 IoTOP_GV(io) = topgv;
1229 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1230 I32 lines = IoLINES_LEFT(io);
1231 char *s = SvPVX(PL_formtarget);
1232 if (lines <= 0) /* Yow, header didn't even fit!!! */
1234 while (lines-- > 0) {
1235 s = strchr(s, '\n');
1241 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1242 sv_chop(PL_formtarget, s);
1243 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1246 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1247 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1248 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1250 PL_formtarget = PL_toptarget;
1251 IoFLAGS(io) |= IOf_DIDTOP;
1254 DIE(aTHX_ "bad top format reference");
1257 SV *tmpsv = sv_newmortal();
1258 gv_efullname3(tmpsv, fgv, Nullch);
1259 DIE(aTHX_ "Undefined top format \"%s\" called",SvPVX(tmpsv));
1262 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1263 return doform(cv,gv,PL_op);
1267 POPBLOCK(cx,PL_curpm);
1273 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1275 SV* sv = sv_newmortal();
1276 gv_efullname3(sv, gv, Nullch);
1277 Perl_warner(aTHX_ WARN_IO,
1278 "Filehandle %s opened only for input",
1281 else if (ckWARN(WARN_CLOSED))
1282 report_closed_fh(gv, io, "write", "filehandle");
1287 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1288 if (ckWARN(WARN_IO))
1289 Perl_warner(aTHX_ WARN_IO, "page overflow");
1291 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1295 FmLINES(PL_formtarget) = 0;
1296 SvCUR_set(PL_formtarget, 0);
1297 *SvEND(PL_formtarget) = '\0';
1298 if (IoFLAGS(io) & IOf_FLUSH)
1299 (void)PerlIO_flush(fp);
1303 PL_formtarget = PL_bodytarget;
1305 return pop_return();
1310 djSP; dMARK; dORIGMARK;
1318 if (PL_op->op_flags & OPf_STACKED)
1323 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1324 if (MARK == ORIGMARK) {
1327 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1331 *MARK = SvTIED_obj((SV*)gv, mg);
1334 call_method("PRINTF", G_SCALAR);
1337 MARK = ORIGMARK + 1;
1344 if (!(io = GvIO(gv))) {
1345 if (ckWARN(WARN_UNOPENED)) {
1346 gv_efullname3(sv, gv, Nullch);
1347 Perl_warner(aTHX_ WARN_UNOPENED,
1348 "Filehandle %s never opened", SvPV(sv,n_a));
1350 SETERRNO(EBADF,RMS$_IFI);
1353 else if (!(fp = IoOFP(io))) {
1354 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1356 gv_efullname3(sv, gv, Nullch);
1357 Perl_warner(aTHX_ WARN_IO,
1358 "Filehandle %s opened only for input",
1361 else if (ckWARN(WARN_CLOSED))
1362 report_closed_fh(gv, io, "printf", "filehandle");
1364 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1368 do_sprintf(sv, SP - MARK, MARK + 1);
1369 if (!do_print(sv, fp))
1372 if (IoFLAGS(io) & IOf_FLUSH)
1373 if (PerlIO_flush(fp) == EOF)
1384 PUSHs(&PL_sv_undef);
1405 /* Need TIEHANDLE method ? */
1407 tmps = SvPV(sv, len);
1408 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1409 IoLINES(GvIOp(gv)) = 0;
1413 PUSHs(&PL_sv_undef);
1420 djSP; dMARK; dORIGMARK; dTARGET;
1426 Sock_size_t bufsize;
1432 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1433 (mg = SvTIED_mg((SV*)gv, 'q')))
1438 *MARK = SvTIED_obj((SV*)gv, mg);
1440 call_method("READ", G_SCALAR);
1453 sv_setpvn(bufsv, "", 0);
1454 buffer = SvPV_force(bufsv, blen);
1455 length = SvIVx(*++MARK);
1457 DIE(aTHX_ "Negative length");
1460 offset = SvIVx(*++MARK);
1464 if (!io || !IoIFP(io))
1467 if (PL_op->op_type == OP_RECV) {
1468 char namebuf[MAXPATHLEN];
1469 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1470 bufsize = sizeof (struct sockaddr_in);
1472 bufsize = sizeof namebuf;
1474 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1478 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1482 buffer = SvGROW(bufsv, length+1);
1483 /* 'offset' means 'flags' here */
1484 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1485 (struct sockaddr *)namebuf, &bufsize);
1488 SvCUR_set(bufsv, length);
1489 *SvEND(bufsv) = '\0';
1490 (void)SvPOK_only(bufsv);
1492 /* This should not be marked tainted if the fp is marked clean */
1493 if (!(IoFLAGS(io) & IOf_UNTAINT))
1494 SvTAINTED_on(bufsv);
1496 sv_setpvn(TARG, namebuf, bufsize);
1501 if (PL_op->op_type == OP_RECV)
1502 DIE(aTHX_ PL_no_sock_func, "recv");
1506 DIE(aTHX_ "Offset outside string");
1509 bufsize = SvCUR(bufsv);
1510 buffer = SvGROW(bufsv, length+offset+1);
1511 if (offset > bufsize) { /* Zero any newly allocated space */
1512 Zero(buffer+bufsize, offset-bufsize, char);
1514 if (PL_op->op_type == OP_SYSREAD) {
1515 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1516 if (IoTYPE(io) == 's') {
1517 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1518 buffer+offset, length, 0);
1523 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1524 buffer+offset, length);
1528 #ifdef HAS_SOCKET__bad_code_maybe
1529 if (IoTYPE(io) == 's') {
1530 char namebuf[MAXPATHLEN];
1531 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1532 bufsize = sizeof (struct sockaddr_in);
1534 bufsize = sizeof namebuf;
1536 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1537 (struct sockaddr *)namebuf, &bufsize);
1542 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1543 /* fread() returns 0 on both error and EOF */
1544 if (length == 0 && PerlIO_error(IoIFP(io)))
1548 if ((IoTYPE(io) == '>' || IoIFP(io) == PerlIO_stdout()
1549 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1551 SV* sv = sv_newmortal();
1552 gv_efullname3(sv, gv, Nullch);
1553 Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for output",
1558 SvCUR_set(bufsv, length+offset);
1559 *SvEND(bufsv) = '\0';
1560 (void)SvPOK_only(bufsv);
1562 /* This should not be marked tainted if the fp is marked clean */
1563 if (!(IoFLAGS(io) & IOf_UNTAINT))
1564 SvTAINTED_on(bufsv);
1577 int items = (SP - PL_stack_base) - TOPMARK;
1581 sv = sv_2mortal(newSViv(sv_len(*SP)));
1590 djSP; dMARK; dORIGMARK; dTARGET;
1601 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1605 *MARK = SvTIED_obj((SV*)gv, mg);
1607 call_method("WRITE", G_SCALAR);
1618 buffer = SvPV(bufsv, blen);
1619 #if Off_t_SIZE > IVSIZE
1620 length = SvNVx(*++MARK);
1622 length = SvIVx(*++MARK);
1625 DIE(aTHX_ "Negative length");
1628 if (!io || !IoIFP(io)) {
1630 if (ckWARN(WARN_CLOSED)) {
1631 if (PL_op->op_type == OP_SYSWRITE)
1632 report_closed_fh(gv, io, "syswrite", "filehandle");
1634 report_closed_fh(gv, io, "send", "socket");
1637 else if (PL_op->op_type == OP_SYSWRITE) {
1639 #if Off_t_SIZE > IVSIZE
1640 offset = SvNVx(*++MARK);
1642 offset = SvIVx(*++MARK);
1646 DIE(aTHX_ "Offset outside string");
1648 } else if (offset >= blen && blen > 0)
1649 DIE(aTHX_ "Offset outside string");
1652 if (length > blen - offset)
1653 length = blen - offset;
1654 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1655 if (IoTYPE(io) == 's') {
1656 length = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1657 buffer+offset, length, 0);
1662 /* See the note at doio.c:do_print about filesize limits. --jhi */
1663 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1664 buffer+offset, length);
1668 else if (SP > MARK) {
1671 sockbuf = SvPVx(*++MARK, mlen);
1672 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1673 (struct sockaddr *)sockbuf, mlen);
1676 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1680 DIE(aTHX_ PL_no_sock_func, "send");
1695 return pp_sysread();
1705 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1707 gv = PL_last_in_gv = PL_argvgv;
1709 if (io && !IoIFP(io)) {
1710 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1712 IoFLAGS(io) &= ~IOf_START;
1713 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1714 sv_setpvn(GvSV(gv), "-", 1);
1715 SvSETMAGIC(GvSV(gv));
1717 else if (!nextargv(gv))
1722 gv = PL_last_in_gv; /* eof */
1725 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1727 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1729 XPUSHs(SvTIED_obj((SV*)gv, mg));
1732 call_method("EOF", G_SCALAR);
1738 PUSHs(boolSV(!gv || do_eof(gv)));
1751 gv = PL_last_in_gv = (GV*)POPs;
1753 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1755 XPUSHs(SvTIED_obj((SV*)gv, mg));
1758 call_method("TELL", G_SCALAR);
1764 #if LSEEKSIZE > IVSIZE
1765 PUSHn( do_tell(gv) );
1767 PUSHi( do_tell(gv) );
1774 return pp_sysseek();
1782 #if LSEEKSIZE > IVSIZE
1783 Off_t offset = (Off_t)SvNVx(POPs);
1785 Off_t offset = (Off_t)SvIVx(POPs);
1789 gv = PL_last_in_gv = (GV*)POPs;
1791 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1793 XPUSHs(SvTIED_obj((SV*)gv, mg));
1794 #if LSEEKSIZE > IVSIZE
1795 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1797 XPUSHs(sv_2mortal(newSViv((IV) offset)));
1799 XPUSHs(sv_2mortal(newSViv((IV) whence)));
1802 call_method("SEEK", G_SCALAR);
1808 if (PL_op->op_type == OP_SEEK)
1809 PUSHs(boolSV(do_seek(gv, offset, whence)));
1811 Off_t n = do_sysseek(gv, offset, whence);
1813 PUSHs(&PL_sv_undef);
1816 #if LSEEKSIZE > IVSIZE
1821 : newSVpvn(zero_but_true, ZBTLEN);
1822 PUSHs(sv_2mortal(sv));
1831 Off_t len = (Off_t)POPn;
1837 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1838 if (PL_op->op_flags & OPf_SPECIAL) {
1839 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1841 TAINT_PROPER("truncate");
1842 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
1845 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
1847 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1849 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1859 if (SvTYPE(sv) == SVt_PVGV) {
1860 tmpgv = (GV*)sv; /* *main::FRED for example */
1863 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1864 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1868 name = SvPV(sv, n_a);
1869 TAINT_PROPER("truncate");
1871 if (truncate(name, len) < 0)
1876 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1879 if (my_chsize(tmpfd, len) < 0)
1881 PerlLIO_close(tmpfd);
1890 SETERRNO(EBADF,RMS$_IFI);
1893 DIE(aTHX_ "truncate not implemented");
1906 unsigned int func = U_I(POPn);
1907 int optype = PL_op->op_type;
1913 if (!io || !argsv || !IoIFP(io)) {
1914 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1918 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1921 s = SvPV_force(argsv, len);
1922 need = IOCPARM_LEN(func);
1924 s = Sv_Grow(argsv, need + 1);
1925 SvCUR_set(argsv, need);
1928 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1931 retval = SvIV(argsv);
1932 s = INT2PTR(char*,retval); /* ouch */
1935 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1937 if (optype == OP_IOCTL)
1939 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1941 DIE(aTHX_ "ioctl is not implemented");
1945 #if defined(OS2) && defined(__EMX__)
1946 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1948 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1951 DIE(aTHX_ "fcntl is not implemented");
1955 if (s[SvCUR(argsv)] != 17)
1956 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
1957 PL_op_name[optype]);
1958 s[SvCUR(argsv)] = 0; /* put our null back */
1959 SvSETMAGIC(argsv); /* Assume it has changed */
1968 PUSHp(zero_but_true, ZBTLEN);
1988 fp = IoIFP(GvIOp(gv));
1992 (void)PerlIO_flush(fp);
1993 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1997 SETERRNO(EBADF,RMS$_IFI);
1998 if (ckWARN(WARN_CLOSED))
1999 report_closed_fh(gv, GvIO(gv), "flock", "filehandle");
2004 DIE(aTHX_ PL_no_func, "flock()");
2016 int protocol = POPi;
2024 SETERRNO(EBADF,LIB$_INVARG);
2030 do_close(gv, FALSE);
2032 TAINT_PROPER("socket");
2033 fd = PerlSock_socket(domain, type, protocol);
2036 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2037 IoOFP(io) = PerlIO_fdopen(fd, "w");
2039 if (!IoIFP(io) || !IoOFP(io)) {
2040 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2041 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2042 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2048 DIE(aTHX_ PL_no_sock_func, "socket");
2055 #ifdef HAS_SOCKETPAIR
2060 int protocol = POPi;
2073 do_close(gv1, FALSE);
2075 do_close(gv2, FALSE);
2077 TAINT_PROPER("socketpair");
2078 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2080 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2081 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2083 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2084 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2086 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2087 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2088 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2089 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2090 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2091 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2092 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2098 DIE(aTHX_ PL_no_sock_func, "socketpair");
2106 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2107 extern GETPRIVMODE();
2108 extern GETUSERMODE();
2113 register IO *io = GvIOn(gv);
2117 int mpeprivmode = 0;
2120 if (!io || !IoIFP(io))
2123 addr = SvPV(addrsv, len);
2124 TAINT_PROPER("bind");
2125 #ifdef MPE /* Deal with MPE bind() peculiarities */
2126 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2127 /* The address *MUST* stupidly be zero. */
2128 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2129 /* PRIV mode is required to bind() to ports < 1024. */
2130 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2131 ((struct sockaddr_in *)addr)->sin_port > 0) {
2132 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2137 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2138 (struct sockaddr *)addr, len) >= 0)
2141 #ifdef MPE /* Switch back to USER mode */
2152 if (ckWARN(WARN_CLOSED))
2153 report_closed_fh(gv, io, "bind", "socket");
2154 SETERRNO(EBADF,SS$_IVCHAN);
2157 DIE(aTHX_ PL_no_sock_func, "bind");
2168 register IO *io = GvIOn(gv);
2171 if (!io || !IoIFP(io))
2174 addr = SvPV(addrsv, len);
2175 TAINT_PROPER("connect");
2176 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2182 if (ckWARN(WARN_CLOSED))
2183 report_closed_fh(gv, io, "connect", "socket");
2184 SETERRNO(EBADF,SS$_IVCHAN);
2187 DIE(aTHX_ PL_no_sock_func, "connect");
2197 register IO *io = GvIOn(gv);
2199 if (!io || !IoIFP(io))
2202 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2208 if (ckWARN(WARN_CLOSED))
2209 report_closed_fh(gv, io, "listen", "socket");
2210 SETERRNO(EBADF,SS$_IVCHAN);
2213 DIE(aTHX_ PL_no_sock_func, "listen");
2225 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2226 Sock_size_t len = sizeof saddr;
2238 if (!gstio || !IoIFP(gstio))
2243 do_close(ngv, FALSE);
2245 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2248 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2249 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2250 IoTYPE(nstio) = 's';
2251 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2252 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2253 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2254 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2258 PUSHp((char *)&saddr, len);
2262 if (ckWARN(WARN_CLOSED))
2263 report_closed_fh(ggv, ggv ? GvIO(ggv) : 0, "accept", "socket");
2264 SETERRNO(EBADF,SS$_IVCHAN);
2270 DIE(aTHX_ PL_no_sock_func, "accept");
2280 register IO *io = GvIOn(gv);
2282 if (!io || !IoIFP(io))
2285 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2289 if (ckWARN(WARN_CLOSED))
2290 report_closed_fh(gv, io, "shutdown", "socket");
2291 SETERRNO(EBADF,SS$_IVCHAN);
2294 DIE(aTHX_ PL_no_sock_func, "shutdown");
2301 return pp_ssockopt();
2303 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2311 int optype = PL_op->op_type;
2314 unsigned int optname;
2320 if (optype == OP_GSOCKOPT)
2321 sv = sv_2mortal(NEWSV(22, 257));
2324 optname = (unsigned int) POPi;
2325 lvl = (unsigned int) POPi;
2329 if (!io || !IoIFP(io))
2332 fd = PerlIO_fileno(IoIFP(io));
2336 (void)SvPOK_only(sv);
2340 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2355 aint = (int)SvIV(sv);
2359 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2368 if (ckWARN(WARN_CLOSED))
2369 report_closed_fh(gv, io,
2370 optype == OP_GSOCKOPT ? "getsockopt" : "setsockopt",
2372 SETERRNO(EBADF,SS$_IVCHAN);
2377 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2384 return pp_getpeername();
2386 DIE(aTHX_ PL_no_sock_func, "getsockname");
2394 int optype = PL_op->op_type;
2398 register IO *io = GvIOn(gv);
2401 if (!io || !IoIFP(io))
2404 sv = sv_2mortal(NEWSV(22, 257));
2405 (void)SvPOK_only(sv);
2409 fd = PerlIO_fileno(IoIFP(io));
2411 case OP_GETSOCKNAME:
2412 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2415 case OP_GETPEERNAME:
2416 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2418 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2420 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";
2421 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2422 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2423 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2424 sizeof(u_short) + sizeof(struct in_addr))) {
2431 #ifdef BOGUS_GETNAME_RETURN
2432 /* Interactive Unix, getpeername() and getsockname()
2433 does not return valid namelen */
2434 if (len == BOGUS_GETNAME_RETURN)
2435 len = sizeof(struct sockaddr);
2443 if (ckWARN(WARN_CLOSED))
2444 report_closed_fh(gv, io,
2445 optype == OP_GETSOCKNAME ? "getsockname"
2448 SETERRNO(EBADF,SS$_IVCHAN);
2453 DIE(aTHX_ PL_no_sock_func, "getpeername");
2472 if (PL_op->op_flags & OPf_REF) {
2475 if (tmpgv != PL_defgv) {
2476 PL_laststype = OP_STAT;
2478 sv_setpv(PL_statname, "");
2479 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2480 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2482 if (PL_laststatval < 0)
2487 if (SvTYPE(sv) == SVt_PVGV) {
2491 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2492 tmpgv = (GV*)SvRV(sv);
2495 sv_setpv(PL_statname, SvPV(sv,n_a));
2498 PL_laststype = PL_op->op_type;
2499 if (PL_op->op_type == OP_LSTAT)
2500 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2503 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2504 if (PL_laststatval < 0) {
2505 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2506 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2512 if (gimme != G_ARRAY) {
2513 if (gimme != G_VOID)
2514 XPUSHs(boolSV(max));
2520 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2521 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2522 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mode)));
2523 PUSHs(sv_2mortal(newSViv(PL_statcache.st_nlink)));
2524 #if Uid_t_size > IVSIZE
2525 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2527 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2529 #if Gid_t_size > IVSIZE
2530 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2532 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2534 #ifdef USE_STAT_RDEV
2535 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2537 PUSHs(sv_2mortal(newSVpvn("", 0)));
2539 #if Off_t_size > IVSIZE
2540 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2542 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2545 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2546 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2547 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2549 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2550 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2551 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2553 #ifdef USE_STAT_BLOCKS
2554 PUSHs(sv_2mortal(newSViv(PL_statcache.st_blksize)));
2555 PUSHs(sv_2mortal(newSViv(PL_statcache.st_blocks)));
2557 PUSHs(sv_2mortal(newSVpvn("", 0)));
2558 PUSHs(sv_2mortal(newSVpvn("", 0)));
2568 #if defined(HAS_ACCESS) && defined(R_OK)
2570 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2571 result = access(TOPpx, R_OK);
2586 if (cando(S_IRUSR, 0, &PL_statcache))
2595 #if defined(HAS_ACCESS) && defined(W_OK)
2597 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2598 result = access(TOPpx, W_OK);
2613 if (cando(S_IWUSR, 0, &PL_statcache))
2622 #if defined(HAS_ACCESS) && defined(X_OK)
2624 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2625 result = access(TOPpx, X_OK);
2640 if (cando(S_IXUSR, 0, &PL_statcache))
2649 #ifdef PERL_EFF_ACCESS_R_OK
2651 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2652 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2667 if (cando(S_IRUSR, 1, &PL_statcache))
2676 #ifdef PERL_EFF_ACCESS_W_OK
2678 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2679 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2694 if (cando(S_IWUSR, 1, &PL_statcache))
2703 #ifdef PERL_EFF_ACCESS_X_OK
2705 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2706 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2721 if (cando(S_IXUSR, 1, &PL_statcache))
2728 I32 result = my_stat();
2737 return pp_ftrowned();
2742 I32 result = my_stat();
2746 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2754 I32 result = my_stat();
2758 if (PL_statcache.st_size == 0)
2765 I32 result = my_stat();
2769 #if Off_t_size > IVSIZE
2770 PUSHn(PL_statcache.st_size);
2772 PUSHi(PL_statcache.st_size);
2779 I32 result = my_stat();
2783 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2789 I32 result = my_stat();
2793 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2799 I32 result = my_stat();
2803 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
2809 I32 result = my_stat();
2813 if (S_ISSOCK(PL_statcache.st_mode))
2820 I32 result = my_stat();
2824 if (S_ISCHR(PL_statcache.st_mode))
2831 I32 result = my_stat();
2835 if (S_ISBLK(PL_statcache.st_mode))
2842 I32 result = my_stat();
2846 if (S_ISREG(PL_statcache.st_mode))
2853 I32 result = my_stat();
2857 if (S_ISDIR(PL_statcache.st_mode))
2864 I32 result = my_stat();
2868 if (S_ISFIFO(PL_statcache.st_mode))
2875 I32 result = my_lstat();
2879 if (S_ISLNK(PL_statcache.st_mode))
2888 I32 result = my_stat();
2892 if (PL_statcache.st_mode & S_ISUID)
2902 I32 result = my_stat();
2906 if (PL_statcache.st_mode & S_ISGID)
2916 I32 result = my_stat();
2920 if (PL_statcache.st_mode & S_ISVTX)
2931 char *tmps = Nullch;
2934 if (PL_op->op_flags & OPf_REF)
2936 else if (isGV(TOPs))
2938 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2939 gv = (GV*)SvRV(POPs);
2941 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2943 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2944 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2945 else if (tmps && isDIGIT(*tmps))
2949 if (PerlLIO_isatty(fd))
2954 #if defined(atarist) /* this will work with atariST. Configure will
2955 make guesses for other systems. */
2956 # define FILE_base(f) ((f)->_base)
2957 # define FILE_ptr(f) ((f)->_ptr)
2958 # define FILE_cnt(f) ((f)->_cnt)
2959 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2969 register STDCHAR *s;
2976 if (PL_op->op_flags & OPf_REF)
2978 else if (isGV(TOPs))
2980 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2981 gv = (GV*)SvRV(POPs);
2987 if (gv == PL_defgv) {
2989 io = GvIO(PL_statgv);
2992 goto really_filename;
2997 PL_laststatval = -1;
2998 sv_setpv(PL_statname, "");
2999 io = GvIO(PL_statgv);
3001 if (io && IoIFP(io)) {
3002 if (! PerlIO_has_base(IoIFP(io)))
3003 DIE(aTHX_ "-T and -B not implemented on filehandles");
3004 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3005 if (PL_laststatval < 0)
3007 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
3008 if (PL_op->op_type == OP_FTTEXT)
3012 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3013 i = PerlIO_getc(IoIFP(io));
3015 (void)PerlIO_ungetc(IoIFP(io),i);
3017 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3019 len = PerlIO_get_bufsiz(IoIFP(io));
3020 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3021 /* sfio can have large buffers - limit to 512 */
3026 if (ckWARN(WARN_UNOPENED)) {
3028 Perl_warner(aTHX_ WARN_UNOPENED, "Test on unopened file <%s>",
3031 SETERRNO(EBADF,RMS$_IFI);
3039 PL_laststatval = -1;
3040 sv_setpv(PL_statname, SvPV(sv, n_a));
3041 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3042 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3043 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3046 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3047 if (PL_laststatval < 0) {
3048 (void)PerlIO_close(fp);
3051 do_binmode(fp, '<', TRUE);
3052 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3053 (void)PerlIO_close(fp);
3055 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3056 RETPUSHNO; /* special case NFS directories */
3057 RETPUSHYES; /* null file is anything */
3062 /* now scan s to look for textiness */
3063 /* XXX ASCII dependent code */
3065 #if defined(DOSISH) || defined(USEMYBINMODE)
3066 /* ignore trailing ^Z on short files */
3067 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3071 for (i = 0; i < len; i++, s++) {
3072 if (!*s) { /* null never allowed in text */
3077 else if (!(isPRINT(*s) || isSPACE(*s)))
3080 else if (*s & 128) {
3082 if (!(PL_op->op_private & OPpLOCALE) || !isALPHA_LC(*s))
3087 *s != '\n' && *s != '\r' && *s != '\b' &&
3088 *s != '\t' && *s != '\f' && *s != 27)
3093 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3117 if (!tmps || !*tmps) {
3118 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3120 tmps = SvPV(*svp, n_a);
3122 if (!tmps || !*tmps) {
3123 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3125 tmps = SvPV(*svp, n_a);
3128 if (!tmps || !*tmps) {
3129 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3131 tmps = SvPV(*svp, n_a);
3134 TAINT_PROPER("chdir");
3135 PUSHi( PerlDir_chdir(tmps) >= 0 );
3137 /* Clear the DEFAULT element of ENV so we'll get the new value
3139 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3146 djSP; dMARK; dTARGET;
3149 value = (I32)apply(PL_op->op_type, MARK, SP);
3154 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3165 TAINT_PROPER("chroot");
3166 PUSHi( chroot(tmps) >= 0 );
3169 DIE(aTHX_ PL_no_func, "chroot");
3175 djSP; dMARK; dTARGET;
3177 value = (I32)apply(PL_op->op_type, MARK, SP);
3185 djSP; dMARK; dTARGET;
3187 value = (I32)apply(PL_op->op_type, MARK, SP);
3195 djSP; dMARK; dTARGET;
3197 value = (I32)apply(PL_op->op_type, MARK, SP);
3209 char *tmps2 = POPpx;
3210 char *tmps = SvPV(TOPs, n_a);
3211 TAINT_PROPER("rename");
3213 anum = PerlLIO_rename(tmps, tmps2);
3215 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3216 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3219 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3220 (void)UNLINK(tmps2);
3221 if (!(anum = link(tmps, tmps2)))
3222 anum = UNLINK(tmps);
3235 char *tmps2 = POPpx;
3236 char *tmps = SvPV(TOPs, n_a);
3237 TAINT_PROPER("link");
3238 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3240 DIE(aTHX_ PL_no_func, "Unsupported function link");
3250 char *tmps2 = POPpx;
3251 char *tmps = SvPV(TOPs, n_a);
3252 TAINT_PROPER("symlink");
3253 SETi( symlink(tmps, tmps2) >= 0 );
3256 DIE(aTHX_ PL_no_func, "symlink");
3265 char buf[MAXPATHLEN];
3269 #ifndef INCOMPLETE_TAINTS
3273 len = readlink(tmps, buf, sizeof buf);
3281 RETSETUNDEF; /* just pretend it's a normal file */
3285 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3287 S_dooneliner(pTHX_ char *cmd, char *filename)
3289 char *save_filename = filename;
3295 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3296 strcpy(cmdline, cmd);
3297 strcat(cmdline, " ");
3298 for (s = cmdline + strlen(cmdline); *filename; ) {
3303 myfp = PerlProc_popen(cmdline, "r");
3307 SV *tmpsv = sv_newmortal();
3308 /* Need to save/restore 'PL_rs' ?? */
3309 s = sv_gets(tmpsv, myfp, 0);
3310 (void)PerlProc_pclose(myfp);
3314 #ifdef HAS_SYS_ERRLIST
3319 /* you don't see this */
3321 #ifdef HAS_SYS_ERRLIST
3329 if (instr(s, errmsg)) {
3336 #define EACCES EPERM
3338 if (instr(s, "cannot make"))
3339 SETERRNO(EEXIST,RMS$_FEX);
3340 else if (instr(s, "existing file"))
3341 SETERRNO(EEXIST,RMS$_FEX);
3342 else if (instr(s, "ile exists"))
3343 SETERRNO(EEXIST,RMS$_FEX);
3344 else if (instr(s, "non-exist"))
3345 SETERRNO(ENOENT,RMS$_FNF);
3346 else if (instr(s, "does not exist"))
3347 SETERRNO(ENOENT,RMS$_FNF);
3348 else if (instr(s, "not empty"))
3349 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3350 else if (instr(s, "cannot access"))
3351 SETERRNO(EACCES,RMS$_PRV);
3353 SETERRNO(EPERM,RMS$_PRV);
3356 else { /* some mkdirs return no failure indication */
3357 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3358 if (PL_op->op_type == OP_RMDIR)
3363 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3380 char *tmps = SvPV(TOPs, n_a);
3382 TAINT_PROPER("mkdir");
3384 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3386 SETi( dooneliner("mkdir", tmps) );
3387 oldumask = PerlLIO_umask(0);
3388 PerlLIO_umask(oldumask);
3389 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3401 TAINT_PROPER("rmdir");
3403 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3405 XPUSHi( dooneliner("rmdir", tmps) );
3410 /* Directory calls. */
3415 #if defined(Direntry_t) && defined(HAS_READDIR)
3417 char *dirname = POPpx;
3419 register IO *io = GvIOn(gv);
3425 PerlDir_close(IoDIRP(io));
3426 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3432 SETERRNO(EBADF,RMS$_DIR);
3435 DIE(aTHX_ PL_no_dir_func, "opendir");
3442 #if defined(Direntry_t) && defined(HAS_READDIR)
3444 Direntry_t *readdir (DIR *);
3446 register Direntry_t *dp;
3448 register IO *io = GvIOn(gv);
3451 if (!io || !IoDIRP(io))
3454 if (GIMME == G_ARRAY) {
3456 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3458 sv = newSVpvn(dp->d_name, dp->d_namlen);
3460 sv = newSVpv(dp->d_name, 0);
3462 #ifndef INCOMPLETE_TAINTS
3465 XPUSHs(sv_2mortal(sv));
3469 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3472 sv = newSVpvn(dp->d_name, dp->d_namlen);
3474 sv = newSVpv(dp->d_name, 0);
3476 #ifndef INCOMPLETE_TAINTS
3479 XPUSHs(sv_2mortal(sv));
3485 SETERRNO(EBADF,RMS$_ISI);
3486 if (GIMME == G_ARRAY)
3491 DIE(aTHX_ PL_no_dir_func, "readdir");
3498 #if defined(HAS_TELLDIR) || defined(telldir)
3499 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3500 /* XXX netbsd still seemed to.
3501 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3502 --JHI 1999-Feb-02 */
3503 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3504 long telldir (DIR *);
3507 register IO *io = GvIOn(gv);
3509 if (!io || !IoDIRP(io))
3512 PUSHi( PerlDir_tell(IoDIRP(io)) );
3516 SETERRNO(EBADF,RMS$_ISI);
3519 DIE(aTHX_ PL_no_dir_func, "telldir");
3526 #if defined(HAS_SEEKDIR) || defined(seekdir)
3529 register IO *io = GvIOn(gv);
3531 if (!io || !IoDIRP(io))
3534 (void)PerlDir_seek(IoDIRP(io), along);
3539 SETERRNO(EBADF,RMS$_ISI);
3542 DIE(aTHX_ PL_no_dir_func, "seekdir");
3549 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3551 register IO *io = GvIOn(gv);
3553 if (!io || !IoDIRP(io))
3556 (void)PerlDir_rewind(IoDIRP(io));
3560 SETERRNO(EBADF,RMS$_ISI);
3563 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3570 #if defined(Direntry_t) && defined(HAS_READDIR)
3572 register IO *io = GvIOn(gv);
3574 if (!io || !IoDIRP(io))
3577 #ifdef VOID_CLOSEDIR
3578 PerlDir_close(IoDIRP(io));
3580 if (PerlDir_close(IoDIRP(io)) < 0) {
3581 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3590 SETERRNO(EBADF,RMS$_IFI);
3593 DIE(aTHX_ PL_no_dir_func, "closedir");
3597 /* Process control. */
3607 PERL_FLUSHALL_FOR_CHILD;
3613 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3614 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3615 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3620 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3625 PERL_FLUSHALL_FOR_CHILD;
3626 childpid = PerlProc_fork();
3630 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3637 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3642 childpid = wait4pid(-1, &argflags, 0);
3643 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3647 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3653 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3661 childpid = wait4pid(childpid, &argflags, optype);
3662 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3666 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3672 djSP; dMARK; dORIGMARK; dTARGET;
3677 Sigsave_t ihand,qhand; /* place to save signals during system() */
3682 if (SP - MARK == 1) {
3684 char *junk = SvPV(TOPs, n_a);
3686 TAINT_PROPER("system");
3689 PERL_FLUSHALL_FOR_CHILD;
3690 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3691 if (PerlProc_pipe(pp) >= 0)
3693 while ((childpid = vfork()) == -1) {
3694 if (errno != EAGAIN) {
3699 PerlLIO_close(pp[0]);
3700 PerlLIO_close(pp[1]);
3708 PerlLIO_close(pp[1]);
3709 rsignal_save(SIGINT, SIG_IGN, &ihand);
3710 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3712 result = wait4pid(childpid, &status, 0);
3713 } while (result == -1 && errno == EINTR);
3714 (void)rsignal_restore(SIGINT, &ihand);
3715 (void)rsignal_restore(SIGQUIT, &qhand);
3716 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3717 do_execfree(); /* free any memory child malloced on vfork */
3723 while (n < sizeof(int)) {
3724 n1 = PerlLIO_read(pp[0],
3725 (void*)(((char*)&errkid)+n),
3731 PerlLIO_close(pp[0]);
3732 if (n) { /* Error */
3733 if (n != sizeof(int))
3734 DIE(aTHX_ "panic: kid popen errno read");
3735 errno = errkid; /* Propagate errno from kid */
3736 STATUS_CURRENT = -1;
3739 PUSHi(STATUS_CURRENT);
3743 PerlLIO_close(pp[0]);
3744 #if defined(HAS_FCNTL) && defined(F_SETFD)
3745 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3748 if (PL_op->op_flags & OPf_STACKED) {
3749 SV *really = *++MARK;
3750 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3752 else if (SP - MARK != 1)
3753 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3755 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3758 #else /* ! FORK or VMS or OS/2 */
3759 if (PL_op->op_flags & OPf_STACKED) {
3760 SV *really = *++MARK;
3761 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3763 else if (SP - MARK != 1)
3764 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3766 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3768 STATUS_NATIVE_SET(value);
3771 PUSHi(STATUS_CURRENT);
3772 #endif /* !FORK or VMS */
3778 djSP; dMARK; dORIGMARK; dTARGET;
3782 PERL_FLUSHALL_FOR_CHILD;
3783 if (PL_op->op_flags & OPf_STACKED) {
3784 SV *really = *++MARK;
3785 value = (I32)do_aexec(really, MARK, SP);
3787 else if (SP - MARK != 1)
3789 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3793 (void ) do_aspawn(Nullsv, MARK, SP);
3797 value = (I32)do_aexec(Nullsv, MARK, SP);
3802 char *junk = SvPV(*SP, n_a);
3804 TAINT_PROPER("exec");
3807 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3810 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3813 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3818 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3830 djSP; dMARK; dTARGET;
3833 value = (I32)apply(PL_op->op_type, MARK, SP);
3838 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3846 XPUSHi( getppid() );
3849 DIE(aTHX_ PL_no_func, "getppid");
3865 pgrp = (I32)BSD_GETPGRP(pid);
3867 if (pid != 0 && pid != PerlProc_getpid())
3868 DIE(aTHX_ "POSIX getpgrp can't take an argument");
3874 DIE(aTHX_ PL_no_func, "getpgrp()");
3893 TAINT_PROPER("setpgrp");
3895 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3897 if ((pgrp != 0 && pgrp != PerlProc_getpid())
3898 || (pid != 0 && pid != PerlProc_getpid()))
3900 DIE(aTHX_ "setpgrp can't take arguments");
3902 SETi( setpgrp() >= 0 );
3903 #endif /* USE_BSDPGRP */
3906 DIE(aTHX_ PL_no_func, "setpgrp()");
3915 #ifdef HAS_GETPRIORITY
3918 SETi( getpriority(which, who) );
3921 DIE(aTHX_ PL_no_func, "getpriority()");
3931 #ifdef HAS_SETPRIORITY
3935 TAINT_PROPER("setpriority");
3936 SETi( setpriority(which, who, niceval) >= 0 );
3939 DIE(aTHX_ PL_no_func, "setpriority()");
3949 XPUSHn( time(Null(Time_t*)) );
3951 XPUSHi( time(Null(Time_t*)) );
3956 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3957 to HZ. Probably. For now, assume that if the system
3958 defines HZ, it does so correctly. (Will this break
3960 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3961 it's supported. --AD 9/96.
3977 DIE(aTHX_ "times not implemented");
3982 (void)PerlProc_times(&PL_timesbuf);
3984 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3985 /* struct tms, though same data */
3989 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
3990 if (GIMME == G_ARRAY) {
3991 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
3992 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
3993 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
3996 #endif /* HAS_TIMES */
4009 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4010 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4011 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4017 when = (Time_t)SvNVx(POPs);
4019 when = (Time_t)SvIVx(POPs);
4022 if (PL_op->op_type == OP_LOCALTIME)
4023 tmbuf = localtime(&when);
4025 tmbuf = gmtime(&when);
4029 if (GIMME != G_ARRAY) {
4034 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4035 dayname[tmbuf->tm_wday],
4036 monname[tmbuf->tm_mon],
4041 tmbuf->tm_year + 1900);
4042 PUSHs(sv_2mortal(tsv));
4045 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4046 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4047 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4048 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4049 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4050 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4051 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4052 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4053 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4064 anum = alarm((unsigned int)anum);
4071 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4082 (void)time(&lasttime);
4087 PerlProc_sleep((unsigned int)duration);
4090 XPUSHi(when - lasttime);
4094 /* Shared memory. */
4108 return pp_shmwrite();
4113 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4114 djSP; dMARK; dTARGET;
4115 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4124 /* Message passing. */
4138 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4139 djSP; dMARK; dTARGET;
4140 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4151 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4152 djSP; dMARK; dTARGET;
4153 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4166 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4167 djSP; dMARK; dTARGET;
4168 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4175 DIE(aTHX_ "System V IPC is not implemented on this machine");
4181 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4182 djSP; dMARK; dTARGET;
4183 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4191 PUSHp(zero_but_true, ZBTLEN);
4201 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4202 djSP; dMARK; dTARGET;
4203 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4212 /* Get system info. */
4216 #ifdef HAS_GETHOSTBYNAME
4217 return pp_ghostent();
4219 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4225 #ifdef HAS_GETHOSTBYADDR
4226 return pp_ghostent();
4228 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4235 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4236 I32 which = PL_op->op_type;
4237 register char **elem;
4239 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4240 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4241 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4242 struct hostent *PerlSock_gethostent(void);
4244 struct hostent *hent;
4249 if (which == OP_GHBYNAME)
4250 #ifdef HAS_GETHOSTBYNAME
4251 hent = PerlSock_gethostbyname(POPpx);
4253 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4255 else if (which == OP_GHBYADDR) {
4256 #ifdef HAS_GETHOSTBYADDR
4257 int addrtype = POPi;
4260 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4262 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4264 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4268 #ifdef HAS_GETHOSTENT
4269 hent = PerlSock_gethostent();
4271 DIE(aTHX_ PL_no_sock_func, "gethostent");
4274 #ifdef HOST_NOT_FOUND
4276 STATUS_NATIVE_SET(h_errno);
4279 if (GIMME != G_ARRAY) {
4280 PUSHs(sv = sv_newmortal());
4282 if (which == OP_GHBYNAME) {
4284 sv_setpvn(sv, hent->h_addr, hent->h_length);
4287 sv_setpv(sv, (char*)hent->h_name);
4293 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4294 sv_setpv(sv, (char*)hent->h_name);
4295 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4296 for (elem = hent->h_aliases; elem && *elem; elem++) {
4297 sv_catpv(sv, *elem);
4299 sv_catpvn(sv, " ", 1);
4301 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4302 sv_setiv(sv, (IV)hent->h_addrtype);
4303 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4304 len = hent->h_length;
4305 sv_setiv(sv, (IV)len);
4307 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4308 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4309 sv_setpvn(sv, *elem, len);
4312 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4314 sv_setpvn(sv, hent->h_addr, len);
4319 DIE(aTHX_ PL_no_sock_func, "gethostent");
4325 #ifdef HAS_GETNETBYNAME
4326 return pp_gnetent();
4328 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4334 #ifdef HAS_GETNETBYADDR
4335 return pp_gnetent();
4337 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4344 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4345 I32 which = PL_op->op_type;
4346 register char **elem;
4348 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4349 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4350 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4351 struct netent *PerlSock_getnetent(void);
4353 struct netent *nent;
4356 if (which == OP_GNBYNAME)
4357 #ifdef HAS_GETNETBYNAME
4358 nent = PerlSock_getnetbyname(POPpx);
4360 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4362 else if (which == OP_GNBYADDR) {
4363 #ifdef HAS_GETNETBYADDR
4364 int addrtype = POPi;
4365 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4366 nent = PerlSock_getnetbyaddr(addr, addrtype);
4368 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4372 #ifdef HAS_GETNETENT
4373 nent = PerlSock_getnetent();
4375 DIE(aTHX_ PL_no_sock_func, "getnetent");
4379 if (GIMME != G_ARRAY) {
4380 PUSHs(sv = sv_newmortal());
4382 if (which == OP_GNBYNAME)
4383 sv_setiv(sv, (IV)nent->n_net);
4385 sv_setpv(sv, nent->n_name);
4391 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4392 sv_setpv(sv, nent->n_name);
4393 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4394 for (elem = nent->n_aliases; elem && *elem; elem++) {
4395 sv_catpv(sv, *elem);
4397 sv_catpvn(sv, " ", 1);
4399 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4400 sv_setiv(sv, (IV)nent->n_addrtype);
4401 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4402 sv_setiv(sv, (IV)nent->n_net);
4407 DIE(aTHX_ PL_no_sock_func, "getnetent");
4413 #ifdef HAS_GETPROTOBYNAME
4414 return pp_gprotoent();
4416 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4422 #ifdef HAS_GETPROTOBYNUMBER
4423 return pp_gprotoent();
4425 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4432 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4433 I32 which = PL_op->op_type;
4434 register char **elem;
4436 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4437 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4438 struct protoent *PerlSock_getprotobynumber(int);
4439 struct protoent *PerlSock_getprotoent(void);
4441 struct protoent *pent;
4444 if (which == OP_GPBYNAME)
4445 #ifdef HAS_GETPROTOBYNAME
4446 pent = PerlSock_getprotobyname(POPpx);
4448 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4450 else if (which == OP_GPBYNUMBER)
4451 #ifdef HAS_GETPROTOBYNUMBER
4452 pent = PerlSock_getprotobynumber(POPi);
4454 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4457 #ifdef HAS_GETPROTOENT
4458 pent = PerlSock_getprotoent();
4460 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4464 if (GIMME != G_ARRAY) {
4465 PUSHs(sv = sv_newmortal());
4467 if (which == OP_GPBYNAME)
4468 sv_setiv(sv, (IV)pent->p_proto);
4470 sv_setpv(sv, pent->p_name);
4476 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4477 sv_setpv(sv, pent->p_name);
4478 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4479 for (elem = pent->p_aliases; elem && *elem; elem++) {
4480 sv_catpv(sv, *elem);
4482 sv_catpvn(sv, " ", 1);
4484 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4485 sv_setiv(sv, (IV)pent->p_proto);
4490 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4496 #ifdef HAS_GETSERVBYNAME
4497 return pp_gservent();
4499 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4505 #ifdef HAS_GETSERVBYPORT
4506 return pp_gservent();
4508 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4515 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4516 I32 which = PL_op->op_type;
4517 register char **elem;
4519 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4520 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4521 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4522 struct servent *PerlSock_getservent(void);
4524 struct servent *sent;
4527 if (which == OP_GSBYNAME) {
4528 #ifdef HAS_GETSERVBYNAME
4529 char *proto = POPpx;
4532 if (proto && !*proto)
4535 sent = PerlSock_getservbyname(name, proto);
4537 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4540 else if (which == OP_GSBYPORT) {
4541 #ifdef HAS_GETSERVBYPORT
4542 char *proto = POPpx;
4543 unsigned short port = POPu;
4546 port = PerlSock_htons(port);
4548 sent = PerlSock_getservbyport(port, proto);
4550 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4554 #ifdef HAS_GETSERVENT
4555 sent = PerlSock_getservent();
4557 DIE(aTHX_ PL_no_sock_func, "getservent");
4561 if (GIMME != G_ARRAY) {
4562 PUSHs(sv = sv_newmortal());
4564 if (which == OP_GSBYNAME) {
4566 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4568 sv_setiv(sv, (IV)(sent->s_port));
4572 sv_setpv(sv, sent->s_name);
4578 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4579 sv_setpv(sv, sent->s_name);
4580 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4581 for (elem = sent->s_aliases; elem && *elem; elem++) {
4582 sv_catpv(sv, *elem);
4584 sv_catpvn(sv, " ", 1);
4586 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4588 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4590 sv_setiv(sv, (IV)(sent->s_port));
4592 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4593 sv_setpv(sv, sent->s_proto);
4598 DIE(aTHX_ PL_no_sock_func, "getservent");
4605 #ifdef HAS_SETHOSTENT
4606 PerlSock_sethostent(TOPi);
4609 DIE(aTHX_ PL_no_sock_func, "sethostent");
4616 #ifdef HAS_SETNETENT
4617 PerlSock_setnetent(TOPi);
4620 DIE(aTHX_ PL_no_sock_func, "setnetent");
4627 #ifdef HAS_SETPROTOENT
4628 PerlSock_setprotoent(TOPi);
4631 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4638 #ifdef HAS_SETSERVENT
4639 PerlSock_setservent(TOPi);
4642 DIE(aTHX_ PL_no_sock_func, "setservent");
4649 #ifdef HAS_ENDHOSTENT
4650 PerlSock_endhostent();
4654 DIE(aTHX_ PL_no_sock_func, "endhostent");
4661 #ifdef HAS_ENDNETENT
4662 PerlSock_endnetent();
4666 DIE(aTHX_ PL_no_sock_func, "endnetent");
4673 #ifdef HAS_ENDPROTOENT
4674 PerlSock_endprotoent();
4678 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4685 #ifdef HAS_ENDSERVENT
4686 PerlSock_endservent();
4690 DIE(aTHX_ PL_no_sock_func, "endservent");
4699 DIE(aTHX_ PL_no_func, "getpwnam");
4708 DIE(aTHX_ PL_no_func, "getpwuid");
4715 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4716 I32 which = PL_op->op_type;
4718 struct passwd *pwent;
4720 #if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4721 struct spwd *spwent = NULL;
4724 if (which == OP_GPWNAM)
4725 pwent = getpwnam(POPpx);
4726 else if (which == OP_GPWUID)
4727 pwent = getpwuid(POPi);
4729 pwent = (struct passwd *)getpwent();
4732 if (which == OP_GPWNAM) {
4734 spwent = getspnam(pwent->pw_name);
4736 # ifdef HAS_GETSPUID /* AFAIK there isn't any anywhere. --jhi */
4737 else if (which == OP_GPWUID) {
4739 spwent = getspnam(pwent->pw_name);
4742 # ifdef HAS_GETSPENT
4744 spwent = (struct spwd *)getspent();
4749 if (GIMME != G_ARRAY) {
4750 PUSHs(sv = sv_newmortal());
4752 if (which == OP_GPWNAM)
4753 sv_setiv(sv, (IV)pwent->pw_uid);
4755 sv_setpv(sv, pwent->pw_name);
4761 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4762 sv_setpv(sv, pwent->pw_name);
4764 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4766 # if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4768 sv_setpv(sv, spwent->sp_pwdp);
4770 sv_setpv(sv, pwent->pw_passwd);
4772 sv_setpv(sv, pwent->pw_passwd);
4776 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4777 sv_setiv(sv, (IV)pwent->pw_uid);
4779 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4780 sv_setiv(sv, (IV)pwent->pw_gid);
4782 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4783 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4785 sv_setiv(sv, (IV)pwent->pw_change);
4788 sv_setiv(sv, (IV)pwent->pw_quota);
4791 sv_setpv(sv, pwent->pw_age);
4796 /* pw_class and pw_comment are mutually exclusive. */
4797 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4799 sv_setpv(sv, pwent->pw_class);
4802 sv_setpv(sv, pwent->pw_comment);
4806 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4808 sv_setpv(sv, pwent->pw_gecos);
4810 #ifndef INCOMPLETE_TAINTS
4811 /* pw_gecos is tainted because user himself can diddle with it. */
4815 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4816 sv_setpv(sv, pwent->pw_dir);
4818 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4819 sv_setpv(sv, pwent->pw_shell);
4822 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4823 sv_setiv(sv, (IV)pwent->pw_expire);
4828 DIE(aTHX_ PL_no_func, "getpwent");
4835 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
4837 # ifdef HAS_SETSPENT
4842 DIE(aTHX_ PL_no_func, "setpwent");
4849 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4851 # ifdef HAS_ENDSPENT
4856 DIE(aTHX_ PL_no_func, "endpwent");
4865 DIE(aTHX_ PL_no_func, "getgrnam");
4874 DIE(aTHX_ PL_no_func, "getgrgid");
4881 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4882 I32 which = PL_op->op_type;
4883 register char **elem;
4885 struct group *grent;
4888 if (which == OP_GGRNAM)
4889 grent = (struct group *)getgrnam(POPpx);
4890 else if (which == OP_GGRGID)
4891 grent = (struct group *)getgrgid(POPi);
4893 grent = (struct group *)getgrent();
4896 if (GIMME != G_ARRAY) {
4897 PUSHs(sv = sv_newmortal());
4899 if (which == OP_GGRNAM)
4900 sv_setiv(sv, (IV)grent->gr_gid);
4902 sv_setpv(sv, grent->gr_name);
4908 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4909 sv_setpv(sv, grent->gr_name);
4911 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4913 sv_setpv(sv, grent->gr_passwd);
4916 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4917 sv_setiv(sv, (IV)grent->gr_gid);
4919 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4920 for (elem = grent->gr_mem; elem && *elem; elem++) {
4921 sv_catpv(sv, *elem);
4923 sv_catpvn(sv, " ", 1);
4929 DIE(aTHX_ PL_no_func, "getgrent");
4936 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4940 DIE(aTHX_ PL_no_func, "setgrent");
4947 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4951 DIE(aTHX_ PL_no_func, "endgrent");
4961 if (!(tmps = PerlProc_getlogin()))
4963 PUSHp(tmps, strlen(tmps));
4966 DIE(aTHX_ PL_no_func, "getlogin");
4970 /* Miscellaneous. */
4975 djSP; dMARK; dORIGMARK; dTARGET;
4976 register I32 items = SP - MARK;
4977 unsigned long a[20];
4984 while (++MARK <= SP) {
4985 if (SvTAINTED(*MARK)) {
4991 TAINT_PROPER("syscall");
4994 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4995 * or where sizeof(long) != sizeof(char*). But such machines will
4996 * not likely have syscall implemented either, so who cares?
4998 while (++MARK <= SP) {
4999 if (SvNIOK(*MARK) || !i)
5000 a[i++] = SvIV(*MARK);
5001 else if (*MARK == &PL_sv_undef)
5004 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5010 DIE(aTHX_ "Too many args to syscall");
5012 DIE(aTHX_ "Too few args to syscall");
5014 retval = syscall(a[0]);
5017 retval = syscall(a[0],a[1]);
5020 retval = syscall(a[0],a[1],a[2]);
5023 retval = syscall(a[0],a[1],a[2],a[3]);
5026 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5029 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5032 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5035 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5039 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5042 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5045 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5049 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5053 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5057 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5058 a[10],a[11],a[12],a[13]);
5060 #endif /* atarist */
5066 DIE(aTHX_ PL_no_func, "syscall");
5070 #ifdef FCNTL_EMULATE_FLOCK
5072 /* XXX Emulate flock() with fcntl().
5073 What's really needed is a good file locking module.
5077 fcntl_emulate_flock(int fd, int operation)
5081 switch (operation & ~LOCK_NB) {
5083 flock.l_type = F_RDLCK;
5086 flock.l_type = F_WRLCK;
5089 flock.l_type = F_UNLCK;
5095 flock.l_whence = SEEK_SET;
5096 flock.l_start = flock.l_len = (Off_t)0;
5098 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5101 #endif /* FCNTL_EMULATE_FLOCK */
5103 #ifdef LOCKF_EMULATE_FLOCK
5105 /* XXX Emulate flock() with lockf(). This is just to increase
5106 portability of scripts. The calls are not completely
5107 interchangeable. What's really needed is a good file
5111 /* The lockf() constants might have been defined in <unistd.h>.
5112 Unfortunately, <unistd.h> causes troubles on some mixed
5113 (BSD/POSIX) systems, such as SunOS 4.1.3.
5115 Further, the lockf() constants aren't POSIX, so they might not be
5116 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5117 just stick in the SVID values and be done with it. Sigh.
5121 # define F_ULOCK 0 /* Unlock a previously locked region */
5124 # define F_LOCK 1 /* Lock a region for exclusive use */
5127 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5130 # define F_TEST 3 /* Test a region for other processes locks */
5134 lockf_emulate_flock(int fd, int operation)
5140 /* flock locks entire file so for lockf we need to do the same */
5142 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5143 if (pos > 0) /* is seekable and needs to be repositioned */
5144 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5145 pos = -1; /* seek failed, so don't seek back afterwards */
5148 switch (operation) {
5150 /* LOCK_SH - get a shared lock */
5152 /* LOCK_EX - get an exclusive lock */
5154 i = lockf (fd, F_LOCK, 0);
5157 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5158 case LOCK_SH|LOCK_NB:
5159 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5160 case LOCK_EX|LOCK_NB:
5161 i = lockf (fd, F_TLOCK, 0);
5163 if ((errno == EAGAIN) || (errno == EACCES))
5164 errno = EWOULDBLOCK;
5167 /* LOCK_UN - unlock (non-blocking is a no-op) */
5169 case LOCK_UN|LOCK_NB:
5170 i = lockf (fd, F_ULOCK, 0);
5173 /* Default - can't decipher operation */
5180 if (pos > 0) /* need to restore position of the handle */
5181 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5186 #endif /* LOCKF_EMULATE_FLOCK */