3 * Copyright (c) 1991-1999, 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 */
28 /* XXX If this causes problems, set i_unistd=undef in the hint file. */
35 extern "C" int syscall(unsigned long,...);
40 # include <sys/wait.h>
44 # include <sys/resource.h>
47 #if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
48 # include <sys/socket.h>
49 # if defined(USE_SOCKS) && defined(I_SOCKS)
57 # include <net/errno.h>
64 #include <sys/select.h>
68 /* XXX Configure test needed.
69 h_errno might not be a simple 'int', especially for multi-threaded
70 applications, see "extern int errno in perl.h". Creating such
71 a test requires taking into account the differences between
72 compiling multithreaded and singlethreaded ($ccflags et al).
73 HOST_NOT_FOUND is typically defined in <netdb.h>.
75 #if defined(HOST_NOT_FOUND) && !defined(h_errno)
83 struct passwd *getpwnam (char *);
84 struct passwd *getpwuid (Uid_t);
87 struct passwd *getpwent (void);
95 struct group *getgrnam (char *);
96 struct group *getgrgid (Gid_t);
99 struct group *getgrent (void);
104 # if defined(_MSC_VER) || defined(__MINGW32__)
105 # include <sys/utime.h>
114 #include <sys/file.h>
117 /* Put this after #includes because fork and vfork prototypes may conflict. */
122 /* Put this after #includes because <unistd.h> defines _XOPEN_*. */
124 # if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
125 # define Sock_size_t Size_t
127 # define Sock_size_t int
132 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
135 # define my_chsize PerlLIO_chsize
140 #else /* no flock() */
142 /* fcntl.h might not have been included, even if it exists, because
143 the current Configure only sets I_FCNTL if it's needed to pick up
144 the *_OK constants. Make sure it has been included before testing
145 the fcntl() locking constants. */
146 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
150 # if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
151 # define FLOCK fcntl_emulate_flock
152 # define FCNTL_EMULATE_FLOCK
153 # else /* no flock() or fcntl(F_SETLK,...) */
155 # define FLOCK lockf_emulate_flock
156 # define LOCKF_EMULATE_FLOCK
158 # endif /* no flock() or fcntl(F_SETLK,...) */
161 static int FLOCK (int, int);
164 * These are the flock() constants. Since this sytems doesn't have
165 * flock(), the values of the constants are probably not available.
179 # endif /* emulating flock() */
181 #endif /* no flock() */
184 static char zero_but_true[ZBTLEN + 1] = "0 but true";
186 #if defined(I_SYS_ACCESS) && !defined(R_OK)
187 # include <sys/access.h>
190 #undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */
191 #undef PERL_EFF_ACCESS_W_OK
192 #undef PERL_EFF_ACCESS_X_OK
194 /* F_OK unused: if stat() cannot find it... */
196 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
197 /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */
198 # define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK))
199 # define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK))
200 # define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK))
203 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS)
204 # if defined(I_SYS_SECURITY)
205 # include <sys/security.h>
207 /* XXX Configure test needed for eaccess */
210 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF))
211 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF))
212 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF))
215 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK))
216 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK))
217 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK))
221 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF)
223 # define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF))
224 # define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF))
225 # define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF))
228 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \
229 && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \
230 || defined(HAS_SETREGID) || defined(HAS_SETRESGID))
233 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
235 Uid_t ruid = getuid();
236 Uid_t euid = geteuid();
237 Gid_t rgid = getgid();
238 Gid_t egid = getegid();
241 MUTEX_LOCK(&PL_cred_mutex);
242 #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
243 Perl_croak(aTHX_ "switching effective uid is not implemented");
246 if (setreuid(euid, ruid))
249 if (setresuid(euid, ruid, (Uid_t)-1))
252 Perl_croak(aTHX_ "entering effective uid failed");
255 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
256 Perl_croak(aTHX_ "switching effective gid is not implemented");
259 if (setregid(egid, rgid))
262 if (setresgid(egid, rgid, (Gid_t)-1))
265 Perl_croak(aTHX_ "entering effective gid failed");
268 res = access(path, mode);
271 if (setreuid(ruid, euid))
274 if (setresuid(ruid, euid, (Uid_t)-1))
277 Perl_croak(aTHX_ "leaving effective uid failed");
280 if (setregid(rgid, egid))
283 if (setresgid(rgid, egid, (Gid_t)-1))
286 Perl_croak(aTHX_ "leaving effective gid failed");
287 MUTEX_UNLOCK(&PL_cred_mutex);
291 # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
292 # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
293 # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
296 #if !defined(PERL_EFF_ACCESS_R_OK)
298 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
300 Perl_croak(aTHX_ "switching effective uid is not implemented");
315 fp = PerlProc_popen(tmps, "r");
317 if (gimme == G_VOID) {
319 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
323 else if (gimme == G_SCALAR) {
324 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
325 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
336 if (sv_gets(sv, fp, 0) == Nullch) {
340 XPUSHs(sv_2mortal(sv));
341 if (SvLEN(sv) - SvCUR(sv) > 20) {
342 SvLEN_set(sv, SvCUR(sv)+1);
343 Renew(SvPVX(sv), SvLEN(sv), char);
348 STATUS_NATIVE_SET(PerlProc_pclose(fp));
349 TAINT; /* "I believe that this is not gratuitous!" */
352 STATUS_NATIVE_SET(-1);
353 if (gimme == G_SCALAR)
363 tryAMAGICunTARGET(iter, -1);
370 * The external globbing program may use things we can't control,
371 * so for security reasons we must assume the worst.
374 taint_proper(PL_no_security, "glob");
378 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
379 PL_last_in_gv = (GV*)*PL_stack_sp--;
381 SAVESPTR(PL_rs); /* This is not permanent, either. */
382 PL_rs = sv_2mortal(newSVpvn("\000", 1));
385 *SvPVX(PL_rs) = '\n';
389 result = do_readline();
394 #if 0 /* XXX never used! */
398 PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), n_a), TRUE,SVt_PVIO);
399 return do_readline();
405 PL_last_in_gv = cGVOP->op_gv;
406 return do_readline();
415 if (SP - MARK != 1) {
417 do_join(TARG, &PL_sv_no, MARK, SP);
424 tmps = SvPV(tmpsv, len);
427 (void)SvUPGRADE(error, SVt_PV);
428 if (SvPOK(error) && SvCUR(error))
429 sv_catpv(error, "\t...caught");
431 tmps = SvPV(tmpsv, len);
434 tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26));
436 Perl_warn(aTHX_ "%_", tmpsv);
447 if (SP - MARK != 1) {
449 do_join(TARG, &PL_sv_no, MARK, SP);
451 tmps = SvPV(tmpsv, len);
457 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, len);
461 (void)SvUPGRADE(error, SVt_PV);
462 if (multiarg ? SvROK(error) : SvROK(tmpsv)) {
464 SvSetSV(error,tmpsv);
465 else if (sv_isobject(error)) {
466 HV *stash = SvSTASH(SvRV(error));
467 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
469 SV *file = sv_2mortal(newSVsv(GvSV(PL_curcop->cop_filegv)));
470 SV *line = sv_2mortal(newSViv(PL_curcop->cop_line));
477 call_sv((SV*)GvCV(gv),
478 G_SCALAR|G_EVAL|G_KEEPERR);
479 sv_setsv(error,*PL_stack_sp--);
485 if (SvPOK(error) && SvCUR(error))
486 sv_catpv(error, "\t...propagated");
488 tmps = SvPV(tmpsv, len);
492 tmpsv = sv_2mortal(newSVpvn("Died", 4));
494 DIE(aTHX_ "%_", tmpsv);
517 DIE(aTHX_ PL_no_usym, "filehandle");
522 DIE(aTHX_ PL_no_usym, "filehandle");
524 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
526 #if 0 /* no undef means tmpfile() yet */
527 if (sv == &PL_sv_undef) {
529 PerlIO *fp = PerlIO_tmpfile();
531 PerlIO *fp = tmpfile();
533 if (fp != Nullfp && do_open(gv, "+>&", 3, FALSE, 0, 0, fp))
534 PUSHi( (I32)PL_forkprocess );
539 #endif /* no undef means tmpfile() yet */
542 if (mg = SvTIED_mg((SV*)gv, 'q')) {
544 XPUSHs(SvTIED_obj((SV*)gv, mg));
550 call_method("OPEN", G_SCALAR);
556 tmps = SvPV(sv, len);
557 if (do_open9(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, name, have_name))
558 PUSHi( (I32)PL_forkprocess );
559 else if (PL_forkprocess == 0) /* we are a new child */
577 if (mg = SvTIED_mg((SV*)gv, 'q')) {
579 XPUSHs(SvTIED_obj((SV*)gv, mg));
582 call_method("CLOSE", G_SCALAR);
588 PUSHs(boolSV(do_close(gv, TRUE)));
608 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
609 DIE(aTHX_ PL_no_usym, "filehandle");
614 do_close(rgv, FALSE);
616 do_close(wgv, FALSE);
618 if (PerlProc_pipe(fd) < 0)
621 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
622 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
623 IoIFP(wstio) = IoOFP(wstio);
627 if (!IoIFP(rstio) || !IoOFP(wstio)) {
628 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
629 else PerlLIO_close(fd[0]);
630 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
631 else PerlLIO_close(fd[1]);
634 #if defined(HAS_FCNTL) && defined(F_SETFD)
635 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
636 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
643 DIE(aTHX_ PL_no_func, "pipe");
659 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
661 XPUSHs(SvTIED_obj((SV*)gv, mg));
664 call_method("FILENO", G_SCALAR);
670 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
672 PUSHi(PerlIO_fileno(fp));
683 anum = PerlLIO_umask(0);
684 (void)PerlLIO_umask(anum);
687 anum = PerlLIO_umask(POPi);
688 TAINT_PROPER("umask");
691 /* Only DIE if trying to restrict permissions on `user' (self).
692 * Otherwise it's harmless and more useful to just return undef
693 * since 'group' and 'other' concepts probably don't exist here. */
694 if (MAXARG >= 1 && (POPi & 0700))
695 DIE(aTHX_ "umask not implemented");
696 XPUSHs(&PL_sv_undef);
714 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
716 XPUSHs(SvTIED_obj((SV*)gv, mg));
719 call_method("BINMODE", G_SCALAR);
726 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
729 if (do_binmode(fp,IoTYPE(io),TRUE))
744 I32 markoff = MARK - PL_stack_base;
751 switch(SvTYPE(varsv)) {
753 methname = "TIEHASH";
756 methname = "TIEARRAY";
759 methname = "TIEHANDLE";
763 methname = "TIESCALAR";
768 if (sv_isobject(*MARK)) {
770 PUSHSTACKi(PERLSI_MAGIC);
776 call_method(methname, G_SCALAR);
779 /* Not clear why we don't call call_method here too.
780 * perhaps to get different error message ?
782 stash = gv_stashsv(*MARK, FALSE);
783 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
784 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
785 methname, SvPV(*MARK,n_a));
788 PUSHSTACKi(PERLSI_MAGIC);
794 call_sv((SV*)GvCV(gv), G_SCALAR);
800 if (sv_isobject(sv)) {
801 sv_unmagic(varsv, how);
802 sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0);
805 SP = PL_stack_base + markoff;
814 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
816 if (ckWARN(WARN_UNTIE)) {
818 if (mg = SvTIED_mg(sv, how)) {
820 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
821 Perl_warner(aTHX_ WARN_UNTIE,
822 "untie attempted while %" PERL_PRIu64 " inner references still exist",
823 (UV)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
825 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
826 Perl_warner(aTHX_ WARN_UNTIE,
827 "untie attempted while %lu inner references still exist",
828 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
841 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
844 if (mg = SvTIED_mg(sv, how)) {
845 SV *osv = SvTIED_obj(sv, mg);
846 if (osv == mg->mg_obj)
847 osv = sv_mortalcopy(osv);
865 sv = sv_mortalcopy(&PL_sv_no);
866 sv_setpv(sv, "AnyDBM_File");
867 stash = gv_stashsv(sv, FALSE);
868 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
870 require_pv("AnyDBM_File.pm");
872 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
873 DIE(aTHX_ "No dbm on this machine");
883 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
885 PUSHs(sv_2mortal(newSViv(O_RDWR)));
888 call_sv((SV*)GvCV(gv), G_SCALAR);
891 if (!sv_isobject(TOPs)) {
896 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
899 call_sv((SV*)GvCV(gv), G_SCALAR);
903 if (sv_isobject(TOPs)) {
904 sv_unmagic((SV *) hv, 'P');
905 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
927 struct timeval timebuf;
928 struct timeval *tbuf = &timebuf;
932 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
937 # if BYTEORDER & 0xf0000
938 # define ORDERBYTE (0x88888888 - BYTEORDER)
940 # define ORDERBYTE (0x4444 - BYTEORDER)
946 for (i = 1; i <= 3; i++) {
954 /* little endians can use vecs directly */
955 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
956 # if SELECT_MIN_BITS > 1
957 /* If SELECT_MIN_BITS is greater than one we most probably will want
958 * to align the sizes with SELECT_MIN_BITS/8 because for example
959 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
960 * UNIX, Solaris, NeXT, Rhapsody) the smallest quantum select() operates
961 * on (sets/tests/clears bits) is 32 bits. */
962 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
964 growsize = sizeof(fd_set);
973 masksize = NFDBITS / NBBY;
975 masksize = sizeof(long); /* documented int, everyone seems to use long */
977 growsize = maxlen + (masksize - (maxlen % masksize));
978 Zero(&fd_sets[0], 4, char*);
986 timebuf.tv_sec = (long)value;
987 value -= (NV)timebuf.tv_sec;
988 timebuf.tv_usec = (long)(value * 1000000.0);
991 tbuf = Null(struct timeval*);
993 for (i = 1; i <= 3; i++) {
1000 SvPV_force(sv,n_a); /* force string conversion */
1003 Sv_Grow(sv, growsize);
1007 while (++j <= growsize) {
1011 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1013 New(403, fd_sets[i], growsize, char);
1014 for (offset = 0; offset < growsize; offset += masksize) {
1015 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1016 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1019 fd_sets[i] = SvPVX(sv);
1023 nfound = PerlSock_select(
1025 (Select_fd_set_t) fd_sets[1],
1026 (Select_fd_set_t) fd_sets[2],
1027 (Select_fd_set_t) fd_sets[3],
1029 for (i = 1; i <= 3; i++) {
1032 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1034 for (offset = 0; offset < growsize; offset += masksize) {
1035 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1036 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1038 Safefree(fd_sets[i]);
1045 if (GIMME == G_ARRAY && tbuf) {
1046 value = (NV)(timebuf.tv_sec) +
1047 (NV)(timebuf.tv_usec) / 1000000.0;
1048 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1049 sv_setnv(sv, value);
1053 DIE(aTHX_ "select not implemented");
1058 Perl_setdefout(pTHX_ GV *gv)
1062 (void)SvREFCNT_inc(gv);
1064 SvREFCNT_dec(PL_defoutgv);
1071 GV *newdefout, *egv;
1074 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1076 egv = GvEGV(PL_defoutgv);
1081 XPUSHs(&PL_sv_undef);
1083 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1084 if (gvp && *gvp == egv) {
1085 gv_efullname3(TARG, PL_defoutgv, Nullch);
1089 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1094 if (!GvIO(newdefout))
1095 gv_IOadd(newdefout);
1096 setdefout(newdefout);
1115 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1116 I32 gimme = GIMME_V;
1118 XPUSHs(SvTIED_obj((SV*)gv, mg));
1121 call_method("GETC", gimme);
1124 if (gimme == G_SCALAR)
1125 SvSetMagicSV_nosteal(TARG, TOPs);
1128 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1131 sv_setpv(TARG, " ");
1132 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1139 return pp_sysread();
1143 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1146 register PERL_CONTEXT *cx;
1147 I32 gimme = GIMME_V;
1148 AV* padlist = CvPADLIST(cv);
1149 SV** svp = AvARRAY(padlist);
1155 PUSHBLOCK(cx, CXt_SUB, PL_stack_sp);
1157 SAVESPTR(PL_curpad);
1158 PL_curpad = AvARRAY((AV*)svp[1]);
1160 setdefout(gv); /* locally select filehandle so $% et al work */
1192 SV *tmpsv = sv_newmortal();
1193 gv_efullname3(tmpsv, fgv, Nullch);
1194 DIE(aTHX_ "Undefined format \"%s\" called",SvPVX(tmpsv));
1196 DIE(aTHX_ "Not a format reference");
1199 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1201 IoFLAGS(io) &= ~IOf_DIDTOP;
1202 return doform(cv,gv,PL_op->op_next);
1208 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1209 register IO *io = GvIOp(gv);
1210 PerlIO *ofp = IoOFP(io);
1214 register PERL_CONTEXT *cx;
1216 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1217 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1218 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1219 PL_formtarget != PL_toptarget)
1223 if (!IoTOP_GV(io)) {
1227 if (!IoTOP_NAME(io)) {
1228 if (!IoFMT_NAME(io))
1229 IoFMT_NAME(io) = savepv(GvNAME(gv));
1230 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1231 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1232 if ((topgv && GvFORM(topgv)) ||
1233 !gv_fetchpv("top",FALSE,SVt_PVFM))
1234 IoTOP_NAME(io) = savepv(SvPVX(topname));
1236 IoTOP_NAME(io) = savepv("top");
1238 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1239 if (!topgv || !GvFORM(topgv)) {
1240 IoLINES_LEFT(io) = 100000000;
1243 IoTOP_GV(io) = topgv;
1245 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1246 I32 lines = IoLINES_LEFT(io);
1247 char *s = SvPVX(PL_formtarget);
1248 if (lines <= 0) /* Yow, header didn't even fit!!! */
1250 while (lines-- > 0) {
1251 s = strchr(s, '\n');
1257 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1258 sv_chop(PL_formtarget, s);
1259 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1262 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1263 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1264 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1266 PL_formtarget = PL_toptarget;
1267 IoFLAGS(io) |= IOf_DIDTOP;
1270 DIE(aTHX_ "bad top format reference");
1273 SV *tmpsv = sv_newmortal();
1274 gv_efullname3(tmpsv, fgv, Nullch);
1275 DIE(aTHX_ "Undefined top format \"%s\" called",SvPVX(tmpsv));
1278 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1279 return doform(cv,gv,PL_op);
1283 POPBLOCK(cx,PL_curpm);
1289 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1290 SV* sv = sv_newmortal();
1291 gv_efullname3(sv, gv, Nullch);
1293 Perl_warner(aTHX_ WARN_IO,
1294 "Filehandle %s opened only for input",
1296 else if (ckWARN(WARN_CLOSED))
1297 Perl_warner(aTHX_ WARN_CLOSED,
1298 "Write on closed filehandle %s", SvPV_nolen(sv));
1303 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1304 if (ckWARN(WARN_IO))
1305 Perl_warner(aTHX_ WARN_IO, "page overflow");
1307 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1311 FmLINES(PL_formtarget) = 0;
1312 SvCUR_set(PL_formtarget, 0);
1313 *SvEND(PL_formtarget) = '\0';
1314 if (IoFLAGS(io) & IOf_FLUSH)
1315 (void)PerlIO_flush(fp);
1319 PL_formtarget = PL_bodytarget;
1321 return pop_return();
1326 djSP; dMARK; dORIGMARK;
1334 if (PL_op->op_flags & OPf_STACKED)
1339 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1340 if (MARK == ORIGMARK) {
1343 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1347 *MARK = SvTIED_obj((SV*)gv, mg);
1350 call_method("PRINTF", G_SCALAR);
1353 MARK = ORIGMARK + 1;
1360 if (!(io = GvIO(gv))) {
1361 if (ckWARN(WARN_UNOPENED)) {
1362 gv_efullname3(sv, gv, Nullch);
1363 Perl_warner(aTHX_ WARN_UNOPENED,
1364 "Filehandle %s never opened", SvPV(sv,n_a));
1366 SETERRNO(EBADF,RMS$_IFI);
1369 else if (!(fp = IoOFP(io))) {
1370 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1371 gv_efullname3(sv, gv, Nullch);
1373 Perl_warner(aTHX_ WARN_IO,
1374 "Filehandle %s opened only for input",
1376 else if (ckWARN(WARN_CLOSED))
1377 Perl_warner(aTHX_ WARN_CLOSED,
1378 "printf on closed filehandle %s", SvPV(sv,n_a));
1380 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1384 do_sprintf(sv, SP - MARK, MARK + 1);
1385 if (!do_print(sv, fp))
1388 if (IoFLAGS(io) & IOf_FLUSH)
1389 if (PerlIO_flush(fp) == EOF)
1400 PUSHs(&PL_sv_undef);
1421 /* Need TIEHANDLE method ? */
1423 tmps = SvPV(sv, len);
1424 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1425 IoLINES(GvIOp(gv)) = 0;
1429 PUSHs(&PL_sv_undef);
1436 djSP; dMARK; dORIGMARK; dTARGET;
1442 Sock_size_t bufsize;
1448 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1449 (mg = SvTIED_mg((SV*)gv, 'q')))
1454 *MARK = SvTIED_obj((SV*)gv, mg);
1456 call_method("READ", G_SCALAR);
1469 sv_setpvn(bufsv, "", 0);
1470 buffer = SvPV_force(bufsv, blen);
1471 length = SvIVx(*++MARK);
1473 DIE(aTHX_ "Negative length");
1476 offset = SvIVx(*++MARK);
1480 if (!io || !IoIFP(io))
1483 if (PL_op->op_type == OP_RECV) {
1484 char namebuf[MAXPATHLEN];
1485 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1486 bufsize = sizeof (struct sockaddr_in);
1488 bufsize = sizeof namebuf;
1490 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1494 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1498 buffer = SvGROW(bufsv, length+1);
1499 /* 'offset' means 'flags' here */
1500 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1501 (struct sockaddr *)namebuf, &bufsize);
1504 SvCUR_set(bufsv, length);
1505 *SvEND(bufsv) = '\0';
1506 (void)SvPOK_only(bufsv);
1508 /* This should not be marked tainted if the fp is marked clean */
1509 if (!(IoFLAGS(io) & IOf_UNTAINT))
1510 SvTAINTED_on(bufsv);
1512 sv_setpvn(TARG, namebuf, bufsize);
1517 if (PL_op->op_type == OP_RECV)
1518 DIE(aTHX_ PL_no_sock_func, "recv");
1522 DIE(aTHX_ "Offset outside string");
1525 bufsize = SvCUR(bufsv);
1526 buffer = SvGROW(bufsv, length+offset+1);
1527 if (offset > bufsize) { /* Zero any newly allocated space */
1528 Zero(buffer+bufsize, offset-bufsize, char);
1530 if (PL_op->op_type == OP_SYSREAD) {
1531 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1532 if (IoTYPE(io) == 's') {
1533 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1534 buffer+offset, length, 0);
1539 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1540 buffer+offset, length);
1544 #ifdef HAS_SOCKET__bad_code_maybe
1545 if (IoTYPE(io) == 's') {
1546 char namebuf[MAXPATHLEN];
1547 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1548 bufsize = sizeof (struct sockaddr_in);
1550 bufsize = sizeof namebuf;
1552 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1553 (struct sockaddr *)namebuf, &bufsize);
1558 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1559 /* fread() returns 0 on both error and EOF */
1560 if (length == 0 && PerlIO_error(IoIFP(io)))
1564 if (IoTYPE(io) == '>' || IoIFP(io) == PerlIO_stdout()
1565 || IoIFP(io) == PerlIO_stderr())
1567 SV* sv = sv_newmortal();
1568 gv_efullname3(sv, gv, Nullch);
1569 Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for output",
1574 SvCUR_set(bufsv, length+offset);
1575 *SvEND(bufsv) = '\0';
1576 (void)SvPOK_only(bufsv);
1578 /* This should not be marked tainted if the fp is marked clean */
1579 if (!(IoFLAGS(io) & IOf_UNTAINT))
1580 SvTAINTED_on(bufsv);
1593 int items = (SP - PL_stack_base) - TOPMARK;
1597 sv = sv_2mortal(newSViv(sv_len(*SP)));
1606 djSP; dMARK; dORIGMARK; dTARGET;
1617 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1621 *MARK = SvTIED_obj((SV*)gv, mg);
1623 call_method("WRITE", G_SCALAR);
1634 buffer = SvPV(bufsv, blen);
1635 length = SvIVx(*++MARK);
1637 DIE(aTHX_ "Negative length");
1640 if (!io || !IoIFP(io)) {
1642 if (ckWARN(WARN_CLOSED)) {
1643 if (PL_op->op_type == OP_SYSWRITE)
1644 Perl_warner(aTHX_ WARN_CLOSED, "Syswrite on closed filehandle");
1646 Perl_warner(aTHX_ WARN_CLOSED, "Send on closed socket");
1649 else if (PL_op->op_type == OP_SYSWRITE) {
1651 offset = SvIVx(*++MARK);
1654 DIE(aTHX_ "Offset outside string");
1656 } else if (offset >= blen && blen > 0)
1657 DIE(aTHX_ "Offset outside string");
1660 if (length > blen - offset)
1661 length = blen - offset;
1662 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1663 if (IoTYPE(io) == 's') {
1664 length = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1665 buffer+offset, length, 0);
1670 /* See the note at doio.c:do_print about filesize limits. --jhi */
1671 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1672 buffer+offset, length);
1676 else if (SP > MARK) {
1679 sockbuf = SvPVx(*++MARK, mlen);
1680 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1681 (struct sockaddr *)sockbuf, mlen);
1684 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1688 DIE(aTHX_ PL_no_sock_func, "send");
1703 return pp_sysread();
1715 gv = PL_last_in_gv = (GV*)POPs;
1717 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1719 XPUSHs(SvTIED_obj((SV*)gv, mg));
1722 call_method("EOF", G_SCALAR);
1728 PUSHs(boolSV(!gv || do_eof(gv)));
1741 gv = PL_last_in_gv = (GV*)POPs;
1743 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1745 XPUSHs(SvTIED_obj((SV*)gv, mg));
1748 call_method("TELL", G_SCALAR);
1754 PUSHi( do_tell(gv) );
1760 return pp_sysseek();
1768 Off_t offset = (Off_t)SvIVx(POPs);
1771 gv = PL_last_in_gv = (GV*)POPs;
1773 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1775 XPUSHs(SvTIED_obj((SV*)gv, mg));
1776 XPUSHs(sv_2mortal(newSViv((IV) offset)));
1777 XPUSHs(sv_2mortal(newSViv((IV) whence)));
1780 call_method("SEEK", G_SCALAR);
1786 if (PL_op->op_type == OP_SEEK)
1787 PUSHs(boolSV(do_seek(gv, offset, whence)));
1789 Off_t n = do_sysseek(gv, offset, whence);
1790 PUSHs((n < 0) ? &PL_sv_undef
1791 : sv_2mortal(n ? newSViv((IV)n)
1792 : newSVpvn(zero_but_true, ZBTLEN)));
1800 Off_t len = (Off_t)POPn;
1806 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1807 if (PL_op->op_flags & OPf_SPECIAL) {
1808 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1810 TAINT_PROPER("truncate");
1811 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1813 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1815 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1824 if (SvTYPE(sv) == SVt_PVGV) {
1825 tmpgv = (GV*)sv; /* *main::FRED for example */
1828 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1829 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1833 name = SvPV(sv, n_a);
1834 TAINT_PROPER("truncate");
1836 if (truncate(name, len) < 0)
1841 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1844 if (my_chsize(tmpfd, len) < 0)
1846 PerlLIO_close(tmpfd);
1855 SETERRNO(EBADF,RMS$_IFI);
1858 DIE(aTHX_ "truncate not implemented");
1871 unsigned int func = U_I(POPn);
1872 int optype = PL_op->op_type;
1878 if (!io || !argsv || !IoIFP(io)) {
1879 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1883 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1886 s = SvPV_force(argsv, len);
1887 need = IOCPARM_LEN(func);
1889 s = Sv_Grow(argsv, need + 1);
1890 SvCUR_set(argsv, need);
1893 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1896 retval = SvIV(argsv);
1897 s = (char*)retval; /* ouch */
1900 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1902 if (optype == OP_IOCTL)
1904 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1906 DIE(aTHX_ "ioctl is not implemented");
1910 #if defined(OS2) && defined(__EMX__)
1911 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1913 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1916 DIE(aTHX_ "fcntl is not implemented");
1920 if (s[SvCUR(argsv)] != 17)
1921 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
1922 PL_op_name[optype]);
1923 s[SvCUR(argsv)] = 0; /* put our null back */
1924 SvSETMAGIC(argsv); /* Assume it has changed */
1933 PUSHp(zero_but_true, ZBTLEN);
1953 fp = IoIFP(GvIOp(gv));
1957 (void)PerlIO_flush(fp);
1958 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1965 DIE(aTHX_ PL_no_func, "flock()");
1977 int protocol = POPi;
1985 SETERRNO(EBADF,LIB$_INVARG);
1991 do_close(gv, FALSE);
1993 TAINT_PROPER("socket");
1994 fd = PerlSock_socket(domain, type, protocol);
1997 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1998 IoOFP(io) = PerlIO_fdopen(fd, "w");
2000 if (!IoIFP(io) || !IoOFP(io)) {
2001 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2002 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2003 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2009 DIE(aTHX_ PL_no_sock_func, "socket");
2016 #ifdef HAS_SOCKETPAIR
2021 int protocol = POPi;
2034 do_close(gv1, FALSE);
2036 do_close(gv2, FALSE);
2038 TAINT_PROPER("socketpair");
2039 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2041 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2042 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2044 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2045 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2047 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2048 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2049 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2050 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2051 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2052 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2053 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2059 DIE(aTHX_ PL_no_sock_func, "socketpair");
2067 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2068 extern GETPRIVMODE();
2069 extern GETUSERMODE();
2074 register IO *io = GvIOn(gv);
2078 int mpeprivmode = 0;
2081 if (!io || !IoIFP(io))
2084 addr = SvPV(addrsv, len);
2085 TAINT_PROPER("bind");
2086 #ifdef MPE /* Deal with MPE bind() peculiarities */
2087 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2088 /* The address *MUST* stupidly be zero. */
2089 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2090 /* PRIV mode is required to bind() to ports < 1024. */
2091 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2092 ((struct sockaddr_in *)addr)->sin_port > 0) {
2093 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2098 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2099 (struct sockaddr *)addr, len) >= 0)
2102 #ifdef MPE /* Switch back to USER mode */
2113 if (ckWARN(WARN_CLOSED))
2114 Perl_warner(aTHX_ WARN_CLOSED, "bind() on closed fd");
2115 SETERRNO(EBADF,SS$_IVCHAN);
2118 DIE(aTHX_ PL_no_sock_func, "bind");
2129 register IO *io = GvIOn(gv);
2132 if (!io || !IoIFP(io))
2135 addr = SvPV(addrsv, len);
2136 TAINT_PROPER("connect");
2137 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2143 if (ckWARN(WARN_CLOSED))
2144 Perl_warner(aTHX_ WARN_CLOSED, "connect() on closed fd");
2145 SETERRNO(EBADF,SS$_IVCHAN);
2148 DIE(aTHX_ PL_no_sock_func, "connect");
2158 register IO *io = GvIOn(gv);
2160 if (!io || !IoIFP(io))
2163 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2169 if (ckWARN(WARN_CLOSED))
2170 Perl_warner(aTHX_ WARN_CLOSED, "listen() on closed fd");
2171 SETERRNO(EBADF,SS$_IVCHAN);
2174 DIE(aTHX_ PL_no_sock_func, "listen");
2186 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2187 Sock_size_t len = sizeof saddr;
2199 if (!gstio || !IoIFP(gstio))
2204 do_close(ngv, FALSE);
2206 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2209 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2210 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2211 IoTYPE(nstio) = 's';
2212 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2213 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2214 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2215 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2219 PUSHp((char *)&saddr, len);
2223 if (ckWARN(WARN_CLOSED))
2224 Perl_warner(aTHX_ WARN_CLOSED, "accept() on closed fd");
2225 SETERRNO(EBADF,SS$_IVCHAN);
2231 DIE(aTHX_ PL_no_sock_func, "accept");
2241 register IO *io = GvIOn(gv);
2243 if (!io || !IoIFP(io))
2246 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2250 if (ckWARN(WARN_CLOSED))
2251 Perl_warner(aTHX_ WARN_CLOSED, "shutdown() on closed fd");
2252 SETERRNO(EBADF,SS$_IVCHAN);
2255 DIE(aTHX_ PL_no_sock_func, "shutdown");
2262 return pp_ssockopt();
2264 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2272 int optype = PL_op->op_type;
2275 unsigned int optname;
2281 if (optype == OP_GSOCKOPT)
2282 sv = sv_2mortal(NEWSV(22, 257));
2285 optname = (unsigned int) POPi;
2286 lvl = (unsigned int) POPi;
2290 if (!io || !IoIFP(io))
2293 fd = PerlIO_fileno(IoIFP(io));
2297 (void)SvPOK_only(sv);
2301 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2316 aint = (int)SvIV(sv);
2320 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2329 if (ckWARN(WARN_CLOSED))
2330 Perl_warner(aTHX_ WARN_CLOSED, "[gs]etsockopt() on closed fd");
2331 SETERRNO(EBADF,SS$_IVCHAN);
2336 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2343 return pp_getpeername();
2345 DIE(aTHX_ PL_no_sock_func, "getsockname");
2353 int optype = PL_op->op_type;
2357 register IO *io = GvIOn(gv);
2360 if (!io || !IoIFP(io))
2363 sv = sv_2mortal(NEWSV(22, 257));
2364 (void)SvPOK_only(sv);
2368 fd = PerlIO_fileno(IoIFP(io));
2370 case OP_GETSOCKNAME:
2371 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2374 case OP_GETPEERNAME:
2375 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2377 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2379 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2380 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2381 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2382 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2383 sizeof(u_short) + sizeof(struct in_addr))) {
2390 #ifdef BOGUS_GETNAME_RETURN
2391 /* Interactive Unix, getpeername() and getsockname()
2392 does not return valid namelen */
2393 if (len == BOGUS_GETNAME_RETURN)
2394 len = sizeof(struct sockaddr);
2402 if (ckWARN(WARN_CLOSED))
2403 Perl_warner(aTHX_ WARN_CLOSED, "get{sock, peer}name() on closed fd");
2404 SETERRNO(EBADF,SS$_IVCHAN);
2409 DIE(aTHX_ PL_no_sock_func, "getpeername");
2428 if (PL_op->op_flags & OPf_REF) {
2429 tmpgv = cGVOP->op_gv;
2431 if (tmpgv != PL_defgv) {
2432 PL_laststype = OP_STAT;
2434 sv_setpv(PL_statname, "");
2435 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2436 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2438 if (PL_laststatval < 0)
2443 if (SvTYPE(sv) == SVt_PVGV) {
2447 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2448 tmpgv = (GV*)SvRV(sv);
2451 sv_setpv(PL_statname, SvPV(sv,n_a));
2454 PL_laststype = PL_op->op_type;
2455 if (PL_op->op_type == OP_LSTAT)
2456 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2459 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2460 if (PL_laststatval < 0) {
2461 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2462 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2468 if (gimme != G_ARRAY) {
2469 if (gimme != G_VOID)
2470 XPUSHs(boolSV(max));
2476 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2477 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2478 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mode)));
2479 PUSHs(sv_2mortal(newSViv(PL_statcache.st_nlink)));
2480 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2481 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2482 #ifdef USE_STAT_RDEV
2483 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2485 PUSHs(sv_2mortal(newSVpvn("", 0)));
2487 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2489 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2490 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2491 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2493 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2494 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2495 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2497 #ifdef USE_STAT_BLOCKS
2498 PUSHs(sv_2mortal(newSViv(PL_statcache.st_blksize)));
2499 PUSHs(sv_2mortal(newSViv(PL_statcache.st_blocks)));
2501 PUSHs(sv_2mortal(newSVpvn("", 0)));
2502 PUSHs(sv_2mortal(newSVpvn("", 0)));
2512 #if defined(HAS_ACCESS) && defined(R_OK)
2514 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2515 result = access(TOPpx, R_OK);
2530 if (cando(S_IRUSR, 0, &PL_statcache))
2539 #if defined(HAS_ACCESS) && defined(W_OK)
2541 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2542 result = access(TOPpx, W_OK);
2557 if (cando(S_IWUSR, 0, &PL_statcache))
2566 #if defined(HAS_ACCESS) && defined(X_OK)
2568 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2569 result = access(TOPpx, X_OK);
2584 if (cando(S_IXUSR, 0, &PL_statcache))
2593 #ifdef PERL_EFF_ACCESS_R_OK
2595 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2596 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2611 if (cando(S_IRUSR, 1, &PL_statcache))
2620 #ifdef PERL_EFF_ACCESS_W_OK
2622 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2623 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2638 if (cando(S_IWUSR, 1, &PL_statcache))
2647 #ifdef PERL_EFF_ACCESS_X_OK
2649 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2650 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2665 if (cando(S_IXUSR, 1, &PL_statcache))
2672 I32 result = my_stat();
2681 return pp_ftrowned();
2686 I32 result = my_stat();
2690 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? PL_euid : PL_uid) )
2697 I32 result = my_stat();
2701 if (!PL_statcache.st_size)
2708 I32 result = my_stat();
2712 PUSHi(PL_statcache.st_size);
2718 I32 result = my_stat();
2722 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2728 I32 result = my_stat();
2732 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2738 I32 result = my_stat();
2742 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
2748 I32 result = my_stat();
2752 if (S_ISSOCK(PL_statcache.st_mode))
2759 I32 result = my_stat();
2763 if (S_ISCHR(PL_statcache.st_mode))
2770 I32 result = my_stat();
2774 if (S_ISBLK(PL_statcache.st_mode))
2781 I32 result = my_stat();
2785 if (S_ISREG(PL_statcache.st_mode))
2792 I32 result = my_stat();
2796 if (S_ISDIR(PL_statcache.st_mode))
2803 I32 result = my_stat();
2807 if (S_ISFIFO(PL_statcache.st_mode))
2814 I32 result = my_lstat();
2818 if (S_ISLNK(PL_statcache.st_mode))
2827 I32 result = my_stat();
2831 if (PL_statcache.st_mode & S_ISUID)
2841 I32 result = my_stat();
2845 if (PL_statcache.st_mode & S_ISGID)
2855 I32 result = my_stat();
2859 if (PL_statcache.st_mode & S_ISVTX)
2870 char *tmps = Nullch;
2873 if (PL_op->op_flags & OPf_REF)
2875 else if (isGV(TOPs))
2877 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2878 gv = (GV*)SvRV(POPs);
2880 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2882 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2883 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2884 else if (tmps && isDIGIT(*tmps))
2888 if (PerlLIO_isatty(fd))
2893 #if defined(atarist) /* this will work with atariST. Configure will
2894 make guesses for other systems. */
2895 # define FILE_base(f) ((f)->_base)
2896 # define FILE_ptr(f) ((f)->_ptr)
2897 # define FILE_cnt(f) ((f)->_cnt)
2898 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2908 register STDCHAR *s;
2914 if (PL_op->op_flags & OPf_REF)
2916 else if (isGV(TOPs))
2918 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2919 gv = (GV*)SvRV(POPs);
2925 if (gv == PL_defgv) {
2927 io = GvIO(PL_statgv);
2930 goto really_filename;
2935 PL_laststatval = -1;
2936 sv_setpv(PL_statname, "");
2937 io = GvIO(PL_statgv);
2939 if (io && IoIFP(io)) {
2940 if (! PerlIO_has_base(IoIFP(io)))
2941 DIE(aTHX_ "-T and -B not implemented on filehandles");
2942 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
2943 if (PL_laststatval < 0)
2945 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
2946 if (PL_op->op_type == OP_FTTEXT)
2950 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2951 i = PerlIO_getc(IoIFP(io));
2953 (void)PerlIO_ungetc(IoIFP(io),i);
2955 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2957 len = PerlIO_get_bufsiz(IoIFP(io));
2958 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2959 /* sfio can have large buffers - limit to 512 */
2964 if (ckWARN(WARN_UNOPENED))
2965 Perl_warner(aTHX_ WARN_UNOPENED, "Test on unopened file <%s>",
2966 GvENAME(cGVOP->op_gv));
2967 SETERRNO(EBADF,RMS$_IFI);
2975 PL_laststatval = -1;
2976 sv_setpv(PL_statname, SvPV(sv, n_a));
2978 i = PerlLIO_open3(SvPV(sv, n_a), O_RDONLY, 0);
2980 i = PerlLIO_open(SvPV(sv, n_a), 0);
2983 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
2984 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
2987 PL_laststatval = PerlLIO_fstat(i, &PL_statcache);
2988 if (PL_laststatval < 0)
2990 len = PerlLIO_read(i, tbuf, 512);
2991 (void)PerlLIO_close(i);
2993 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
2994 RETPUSHNO; /* special case NFS directories */
2995 RETPUSHYES; /* null file is anything */
3000 /* now scan s to look for textiness */
3001 /* XXX ASCII dependent code */
3003 for (i = 0; i < len; i++, s++) {
3004 if (!*s) { /* null never allowed in text */
3009 else if (!(isPRINT(*s) || isSPACE(*s)))
3015 *s != '\n' && *s != '\r' && *s != '\b' &&
3016 *s != '\t' && *s != '\f' && *s != 27)
3021 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3045 if (!tmps || !*tmps) {
3046 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3048 tmps = SvPV(*svp, n_a);
3050 if (!tmps || !*tmps) {
3051 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3053 tmps = SvPV(*svp, n_a);
3056 if (!tmps || !*tmps) {
3057 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3059 tmps = SvPV(*svp, n_a);
3062 TAINT_PROPER("chdir");
3063 PUSHi( PerlDir_chdir(tmps) >= 0 );
3065 /* Clear the DEFAULT element of ENV so we'll get the new value
3067 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3074 djSP; dMARK; dTARGET;
3077 value = (I32)apply(PL_op->op_type, MARK, SP);
3082 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3093 TAINT_PROPER("chroot");
3094 PUSHi( chroot(tmps) >= 0 );
3097 DIE(aTHX_ PL_no_func, "chroot");
3103 djSP; dMARK; dTARGET;
3105 value = (I32)apply(PL_op->op_type, MARK, SP);
3113 djSP; dMARK; dTARGET;
3115 value = (I32)apply(PL_op->op_type, MARK, SP);
3123 djSP; dMARK; dTARGET;
3125 value = (I32)apply(PL_op->op_type, MARK, SP);
3137 char *tmps2 = POPpx;
3138 char *tmps = SvPV(TOPs, n_a);
3139 TAINT_PROPER("rename");
3141 anum = PerlLIO_rename(tmps, tmps2);
3143 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3144 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3147 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3148 (void)UNLINK(tmps2);
3149 if (!(anum = link(tmps, tmps2)))
3150 anum = UNLINK(tmps);
3163 char *tmps2 = POPpx;
3164 char *tmps = SvPV(TOPs, n_a);
3165 TAINT_PROPER("link");
3166 SETi( link(tmps, tmps2) >= 0 );
3168 DIE(aTHX_ PL_no_func, "Unsupported function link");
3178 char *tmps2 = POPpx;
3179 char *tmps = SvPV(TOPs, n_a);
3180 TAINT_PROPER("symlink");
3181 SETi( symlink(tmps, tmps2) >= 0 );
3184 DIE(aTHX_ PL_no_func, "symlink");
3193 char buf[MAXPATHLEN];
3197 #ifndef INCOMPLETE_TAINTS
3201 len = readlink(tmps, buf, sizeof buf);
3209 RETSETUNDEF; /* just pretend it's a normal file */
3213 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3215 S_dooneliner(pTHX_ char *cmd, char *filename)
3217 char *save_filename = filename;
3223 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3224 strcpy(cmdline, cmd);
3225 strcat(cmdline, " ");
3226 for (s = cmdline + strlen(cmdline); *filename; ) {
3231 myfp = PerlProc_popen(cmdline, "r");
3235 SV *tmpsv = sv_newmortal();
3236 /* Need to save/restore 'PL_rs' ?? */
3237 s = sv_gets(tmpsv, myfp, 0);
3238 (void)PerlProc_pclose(myfp);
3242 #ifdef HAS_SYS_ERRLIST
3247 /* you don't see this */
3249 #ifdef HAS_SYS_ERRLIST
3257 if (instr(s, errmsg)) {
3264 #define EACCES EPERM
3266 if (instr(s, "cannot make"))
3267 SETERRNO(EEXIST,RMS$_FEX);
3268 else if (instr(s, "existing file"))
3269 SETERRNO(EEXIST,RMS$_FEX);
3270 else if (instr(s, "ile exists"))
3271 SETERRNO(EEXIST,RMS$_FEX);
3272 else if (instr(s, "non-exist"))
3273 SETERRNO(ENOENT,RMS$_FNF);
3274 else if (instr(s, "does not exist"))
3275 SETERRNO(ENOENT,RMS$_FNF);
3276 else if (instr(s, "not empty"))
3277 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3278 else if (instr(s, "cannot access"))
3279 SETERRNO(EACCES,RMS$_PRV);
3281 SETERRNO(EPERM,RMS$_PRV);
3284 else { /* some mkdirs return no failure indication */
3285 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3286 if (PL_op->op_type == OP_RMDIR)
3291 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3308 char *tmps = SvPV(TOPs, n_a);
3310 TAINT_PROPER("mkdir");
3312 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3314 SETi( dooneliner("mkdir", tmps) );
3315 oldumask = PerlLIO_umask(0);
3316 PerlLIO_umask(oldumask);
3317 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3329 TAINT_PROPER("rmdir");
3331 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3333 XPUSHi( dooneliner("rmdir", tmps) );
3338 /* Directory calls. */
3343 #if defined(Direntry_t) && defined(HAS_READDIR)
3345 char *dirname = POPpx;
3347 register IO *io = GvIOn(gv);
3353 PerlDir_close(IoDIRP(io));
3354 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3360 SETERRNO(EBADF,RMS$_DIR);
3363 DIE(aTHX_ PL_no_dir_func, "opendir");
3370 #if defined(Direntry_t) && defined(HAS_READDIR)
3372 Direntry_t *readdir (DIR *);
3374 register Direntry_t *dp;
3376 register IO *io = GvIOn(gv);
3379 if (!io || !IoDIRP(io))
3382 if (GIMME == G_ARRAY) {
3384 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3386 sv = newSVpvn(dp->d_name, dp->d_namlen);
3388 sv = newSVpv(dp->d_name, 0);
3390 #ifndef INCOMPLETE_TAINTS
3393 XPUSHs(sv_2mortal(sv));
3397 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3400 sv = newSVpvn(dp->d_name, dp->d_namlen);
3402 sv = newSVpv(dp->d_name, 0);
3404 #ifndef INCOMPLETE_TAINTS
3407 XPUSHs(sv_2mortal(sv));
3413 SETERRNO(EBADF,RMS$_ISI);
3414 if (GIMME == G_ARRAY)
3419 DIE(aTHX_ PL_no_dir_func, "readdir");
3426 #if defined(HAS_TELLDIR) || defined(telldir)
3427 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3428 /* XXX netbsd still seemed to.
3429 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3430 --JHI 1999-Feb-02 */
3431 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3432 long telldir (DIR *);
3435 register IO *io = GvIOn(gv);
3437 if (!io || !IoDIRP(io))
3440 PUSHi( PerlDir_tell(IoDIRP(io)) );
3444 SETERRNO(EBADF,RMS$_ISI);
3447 DIE(aTHX_ PL_no_dir_func, "telldir");
3454 #if defined(HAS_SEEKDIR) || defined(seekdir)
3457 register IO *io = GvIOn(gv);
3459 if (!io || !IoDIRP(io))
3462 (void)PerlDir_seek(IoDIRP(io), along);
3467 SETERRNO(EBADF,RMS$_ISI);
3470 DIE(aTHX_ PL_no_dir_func, "seekdir");
3477 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3479 register IO *io = GvIOn(gv);
3481 if (!io || !IoDIRP(io))
3484 (void)PerlDir_rewind(IoDIRP(io));
3488 SETERRNO(EBADF,RMS$_ISI);
3491 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3498 #if defined(Direntry_t) && defined(HAS_READDIR)
3500 register IO *io = GvIOn(gv);
3502 if (!io || !IoDIRP(io))
3505 #ifdef VOID_CLOSEDIR
3506 PerlDir_close(IoDIRP(io));
3508 if (PerlDir_close(IoDIRP(io)) < 0) {
3509 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3518 SETERRNO(EBADF,RMS$_IFI);
3521 DIE(aTHX_ PL_no_dir_func, "closedir");
3525 /* Process control. */
3535 PERL_FLUSHALL_FOR_CHILD;
3541 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3542 sv_setiv(GvSV(tmpgv), (IV)getpid());
3543 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3548 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3554 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3559 childpid = wait4pid(-1, &argflags, 0);
3560 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3564 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3570 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3578 childpid = wait4pid(childpid, &argflags, optype);
3579 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3583 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3589 djSP; dMARK; dORIGMARK; dTARGET;
3594 Sigsave_t ihand,qhand; /* place to save signals during system() */
3599 if (SP - MARK == 1) {
3601 char *junk = SvPV(TOPs, n_a);
3603 TAINT_PROPER("system");
3606 PERL_FLUSHALL_FOR_CHILD;
3607 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3608 if (PerlProc_pipe(pp) >= 0)
3610 while ((childpid = vfork()) == -1) {
3611 if (errno != EAGAIN) {
3616 PerlLIO_close(pp[0]);
3617 PerlLIO_close(pp[1]);
3625 PerlLIO_close(pp[1]);
3626 rsignal_save(SIGINT, SIG_IGN, &ihand);
3627 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3629 result = wait4pid(childpid, &status, 0);
3630 } while (result == -1 && errno == EINTR);
3631 (void)rsignal_restore(SIGINT, &ihand);
3632 (void)rsignal_restore(SIGQUIT, &qhand);
3633 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3634 do_execfree(); /* free any memory child malloced on vfork */
3640 while (n < sizeof(int)) {
3641 n1 = PerlLIO_read(pp[0],
3642 (void*)(((char*)&errkid)+n),
3648 PerlLIO_close(pp[0]);
3649 if (n) { /* Error */
3650 if (n != sizeof(int))
3651 Perl_croak(aTHX_ "panic: kid popen errno read");
3652 errno = errkid; /* Propagate errno from kid */
3653 STATUS_CURRENT = -1;
3656 PUSHi(STATUS_CURRENT);
3660 PerlLIO_close(pp[0]);
3661 #if defined(HAS_FCNTL) && defined(F_SETFD)
3662 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3665 if (PL_op->op_flags & OPf_STACKED) {
3666 SV *really = *++MARK;
3667 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3669 else if (SP - MARK != 1)
3670 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3672 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3675 #else /* ! FORK or VMS or OS/2 */
3676 if (PL_op->op_flags & OPf_STACKED) {
3677 SV *really = *++MARK;
3678 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3680 else if (SP - MARK != 1)
3681 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3683 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3685 STATUS_NATIVE_SET(value);
3688 PUSHi(STATUS_CURRENT);
3689 #endif /* !FORK or VMS */
3695 djSP; dMARK; dORIGMARK; dTARGET;
3699 PERL_FLUSHALL_FOR_CHILD;
3700 if (PL_op->op_flags & OPf_STACKED) {
3701 SV *really = *++MARK;
3702 value = (I32)do_aexec(really, MARK, SP);
3704 else if (SP - MARK != 1)
3706 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3710 (void ) do_aspawn(Nullsv, MARK, SP);
3714 value = (I32)do_aexec(Nullsv, MARK, SP);
3719 char *junk = SvPV(*SP, n_a);
3721 TAINT_PROPER("exec");
3724 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3727 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3730 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3741 djSP; dMARK; dTARGET;
3744 value = (I32)apply(PL_op->op_type, MARK, SP);
3749 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3757 XPUSHi( getppid() );
3760 DIE(aTHX_ PL_no_func, "getppid");
3776 pgrp = (I32)BSD_GETPGRP(pid);
3778 if (pid != 0 && pid != getpid())
3779 DIE(aTHX_ "POSIX getpgrp can't take an argument");
3785 DIE(aTHX_ PL_no_func, "getpgrp()");
3804 TAINT_PROPER("setpgrp");
3806 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3808 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3809 DIE(aTHX_ "POSIX setpgrp can't take an argument");
3810 SETi( setpgrp() >= 0 );
3811 #endif /* USE_BSDPGRP */
3814 DIE(aTHX_ PL_no_func, "setpgrp()");
3823 #ifdef HAS_GETPRIORITY
3826 SETi( getpriority(which, who) );
3829 DIE(aTHX_ PL_no_func, "getpriority()");
3839 #ifdef HAS_SETPRIORITY
3843 TAINT_PROPER("setpriority");
3844 SETi( setpriority(which, who, niceval) >= 0 );
3847 DIE(aTHX_ PL_no_func, "setpriority()");
3857 XPUSHn( time(Null(Time_t*)) );
3859 XPUSHi( time(Null(Time_t*)) );
3864 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3865 to HZ. Probably. For now, assume that if the system
3866 defines HZ, it does so correctly. (Will this break
3868 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3869 it's supported. --AD 9/96.
3885 DIE(aTHX_ "times not implemented");
3890 (void)PerlProc_times(&PL_timesbuf);
3892 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3893 /* struct tms, though same data */
3897 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
3898 if (GIMME == G_ARRAY) {
3899 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
3900 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
3901 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
3904 #endif /* HAS_TIMES */
3917 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3918 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3919 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3925 when = (Time_t)SvNVx(POPs);
3927 when = (Time_t)SvIVx(POPs);
3930 if (PL_op->op_type == OP_LOCALTIME)
3931 tmbuf = localtime(&when);
3933 tmbuf = gmtime(&when);
3937 if (GIMME != G_ARRAY) {
3942 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
3943 dayname[tmbuf->tm_wday],
3944 monname[tmbuf->tm_mon],
3949 (IV)tmbuf->tm_year + 1900);
3950 PUSHs(sv_2mortal(tsv));
3953 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
3954 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
3955 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
3956 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
3957 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
3958 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
3959 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
3960 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
3961 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
3972 anum = alarm((unsigned int)anum);
3979 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
3990 (void)time(&lasttime);
3995 PerlProc_sleep((unsigned int)duration);
3998 XPUSHi(when - lasttime);
4002 /* Shared memory. */
4016 return pp_shmwrite();
4021 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4022 djSP; dMARK; dTARGET;
4023 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4032 /* Message passing. */
4046 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4047 djSP; dMARK; dTARGET;
4048 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4059 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4060 djSP; dMARK; dTARGET;
4061 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4074 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4075 djSP; dMARK; dTARGET;
4076 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4083 DIE(aTHX_ "System V IPC is not implemented on this machine");
4089 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4090 djSP; dMARK; dTARGET;
4091 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4099 PUSHp(zero_but_true, ZBTLEN);
4109 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4110 djSP; dMARK; dTARGET;
4111 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4120 /* Get system info. */
4124 #ifdef HAS_GETHOSTBYNAME
4125 return pp_ghostent();
4127 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4133 #ifdef HAS_GETHOSTBYADDR
4134 return pp_ghostent();
4136 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4143 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4144 I32 which = PL_op->op_type;
4145 register char **elem;
4147 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4148 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4149 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4150 struct hostent *PerlSock_gethostent(void);
4152 struct hostent *hent;
4157 if (which == OP_GHBYNAME)
4158 #ifdef HAS_GETHOSTBYNAME
4159 hent = PerlSock_gethostbyname(POPpx);
4161 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4163 else if (which == OP_GHBYADDR) {
4164 #ifdef HAS_GETHOSTBYADDR
4165 int addrtype = POPi;
4168 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4170 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4172 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4176 #ifdef HAS_GETHOSTENT
4177 hent = PerlSock_gethostent();
4179 DIE(aTHX_ PL_no_sock_func, "gethostent");
4182 #ifdef HOST_NOT_FOUND
4184 STATUS_NATIVE_SET(h_errno);
4187 if (GIMME != G_ARRAY) {
4188 PUSHs(sv = sv_newmortal());
4190 if (which == OP_GHBYNAME) {
4192 sv_setpvn(sv, hent->h_addr, hent->h_length);
4195 sv_setpv(sv, (char*)hent->h_name);
4201 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4202 sv_setpv(sv, (char*)hent->h_name);
4203 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4204 for (elem = hent->h_aliases; elem && *elem; elem++) {
4205 sv_catpv(sv, *elem);
4207 sv_catpvn(sv, " ", 1);
4209 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4210 sv_setiv(sv, (IV)hent->h_addrtype);
4211 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4212 len = hent->h_length;
4213 sv_setiv(sv, (IV)len);
4215 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4216 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4217 sv_setpvn(sv, *elem, len);
4220 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4222 sv_setpvn(sv, hent->h_addr, len);
4227 DIE(aTHX_ PL_no_sock_func, "gethostent");
4233 #ifdef HAS_GETNETBYNAME
4234 return pp_gnetent();
4236 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4242 #ifdef HAS_GETNETBYADDR
4243 return pp_gnetent();
4245 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4252 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4253 I32 which = PL_op->op_type;
4254 register char **elem;
4256 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4257 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4258 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4259 struct netent *PerlSock_getnetent(void);
4261 struct netent *nent;
4264 if (which == OP_GNBYNAME)
4265 #ifdef HAS_GETNETBYNAME
4266 nent = PerlSock_getnetbyname(POPpx);
4268 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4270 else if (which == OP_GNBYADDR) {
4271 #ifdef HAS_GETNETBYADDR
4272 int addrtype = POPi;
4273 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4274 nent = PerlSock_getnetbyaddr(addr, addrtype);
4276 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4280 #ifdef HAS_GETNETENT
4281 nent = PerlSock_getnetent();
4283 DIE(aTHX_ PL_no_sock_func, "getnetent");
4287 if (GIMME != G_ARRAY) {
4288 PUSHs(sv = sv_newmortal());
4290 if (which == OP_GNBYNAME)
4291 sv_setiv(sv, (IV)nent->n_net);
4293 sv_setpv(sv, nent->n_name);
4299 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4300 sv_setpv(sv, nent->n_name);
4301 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4302 for (elem = nent->n_aliases; elem && *elem; elem++) {
4303 sv_catpv(sv, *elem);
4305 sv_catpvn(sv, " ", 1);
4307 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4308 sv_setiv(sv, (IV)nent->n_addrtype);
4309 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4310 sv_setiv(sv, (IV)nent->n_net);
4315 DIE(aTHX_ PL_no_sock_func, "getnetent");
4321 #ifdef HAS_GETPROTOBYNAME
4322 return pp_gprotoent();
4324 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4330 #ifdef HAS_GETPROTOBYNUMBER
4331 return pp_gprotoent();
4333 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4340 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4341 I32 which = PL_op->op_type;
4342 register char **elem;
4344 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4345 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4346 struct protoent *PerlSock_getprotobynumber(int);
4347 struct protoent *PerlSock_getprotoent(void);
4349 struct protoent *pent;
4352 if (which == OP_GPBYNAME)
4353 #ifdef HAS_GETPROTOBYNAME
4354 pent = PerlSock_getprotobyname(POPpx);
4356 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4358 else if (which == OP_GPBYNUMBER)
4359 #ifdef HAS_GETPROTOBYNUMBER
4360 pent = PerlSock_getprotobynumber(POPi);
4362 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4365 #ifdef HAS_GETPROTOENT
4366 pent = PerlSock_getprotoent();
4368 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4372 if (GIMME != G_ARRAY) {
4373 PUSHs(sv = sv_newmortal());
4375 if (which == OP_GPBYNAME)
4376 sv_setiv(sv, (IV)pent->p_proto);
4378 sv_setpv(sv, pent->p_name);
4384 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4385 sv_setpv(sv, pent->p_name);
4386 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4387 for (elem = pent->p_aliases; elem && *elem; elem++) {
4388 sv_catpv(sv, *elem);
4390 sv_catpvn(sv, " ", 1);
4392 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4393 sv_setiv(sv, (IV)pent->p_proto);
4398 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4404 #ifdef HAS_GETSERVBYNAME
4405 return pp_gservent();
4407 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4413 #ifdef HAS_GETSERVBYPORT
4414 return pp_gservent();
4416 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4423 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4424 I32 which = PL_op->op_type;
4425 register char **elem;
4427 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4428 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4429 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4430 struct servent *PerlSock_getservent(void);
4432 struct servent *sent;
4435 if (which == OP_GSBYNAME) {
4436 #ifdef HAS_GETSERVBYNAME
4437 char *proto = POPpx;
4440 if (proto && !*proto)
4443 sent = PerlSock_getservbyname(name, proto);
4445 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4448 else if (which == OP_GSBYPORT) {
4449 #ifdef HAS_GETSERVBYPORT
4450 char *proto = POPpx;
4451 unsigned short port = POPu;
4454 port = PerlSock_htons(port);
4456 sent = PerlSock_getservbyport(port, proto);
4458 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4462 #ifdef HAS_GETSERVENT
4463 sent = PerlSock_getservent();
4465 DIE(aTHX_ PL_no_sock_func, "getservent");
4469 if (GIMME != G_ARRAY) {
4470 PUSHs(sv = sv_newmortal());
4472 if (which == OP_GSBYNAME) {
4474 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4476 sv_setiv(sv, (IV)(sent->s_port));
4480 sv_setpv(sv, sent->s_name);
4486 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4487 sv_setpv(sv, sent->s_name);
4488 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4489 for (elem = sent->s_aliases; elem && *elem; elem++) {
4490 sv_catpv(sv, *elem);
4492 sv_catpvn(sv, " ", 1);
4494 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4496 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4498 sv_setiv(sv, (IV)(sent->s_port));
4500 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4501 sv_setpv(sv, sent->s_proto);
4506 DIE(aTHX_ PL_no_sock_func, "getservent");
4513 #ifdef HAS_SETHOSTENT
4514 PerlSock_sethostent(TOPi);
4517 DIE(aTHX_ PL_no_sock_func, "sethostent");
4524 #ifdef HAS_SETNETENT
4525 PerlSock_setnetent(TOPi);
4528 DIE(aTHX_ PL_no_sock_func, "setnetent");
4535 #ifdef HAS_SETPROTOENT
4536 PerlSock_setprotoent(TOPi);
4539 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4546 #ifdef HAS_SETSERVENT
4547 PerlSock_setservent(TOPi);
4550 DIE(aTHX_ PL_no_sock_func, "setservent");
4557 #ifdef HAS_ENDHOSTENT
4558 PerlSock_endhostent();
4562 DIE(aTHX_ PL_no_sock_func, "endhostent");
4569 #ifdef HAS_ENDNETENT
4570 PerlSock_endnetent();
4574 DIE(aTHX_ PL_no_sock_func, "endnetent");
4581 #ifdef HAS_ENDPROTOENT
4582 PerlSock_endprotoent();
4586 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4593 #ifdef HAS_ENDSERVENT
4594 PerlSock_endservent();
4598 DIE(aTHX_ PL_no_sock_func, "endservent");
4607 DIE(aTHX_ PL_no_func, "getpwnam");
4616 DIE(aTHX_ PL_no_func, "getpwuid");
4623 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4624 I32 which = PL_op->op_type;
4626 struct passwd *pwent;
4628 #if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4629 struct spwd *spwent = NULL;
4632 if (which == OP_GPWNAM)
4633 pwent = getpwnam(POPpx);
4634 else if (which == OP_GPWUID)
4635 pwent = getpwuid(POPi);
4637 pwent = (struct passwd *)getpwent();
4640 if (which == OP_GPWNAM) {
4642 spwent = getspnam(pwent->pw_name);
4644 # ifdef HAS_GETSPUID /* AFAIK there isn't any anywhere. --jhi */
4645 else if (which == OP_GPWUID) {
4647 spwent = getspnam(pwent->pw_name);
4650 # ifdef HAS_GETSPENT
4652 spwent = (struct spwd *)getspent();
4657 if (GIMME != G_ARRAY) {
4658 PUSHs(sv = sv_newmortal());
4660 if (which == OP_GPWNAM)
4661 sv_setiv(sv, (IV)pwent->pw_uid);
4663 sv_setpv(sv, pwent->pw_name);
4669 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4670 sv_setpv(sv, pwent->pw_name);
4672 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4674 # if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4676 sv_setpv(sv, spwent->sp_pwdp);
4678 sv_setpv(sv, pwent->pw_passwd);
4680 sv_setpv(sv, pwent->pw_passwd);
4684 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4685 sv_setiv(sv, (IV)pwent->pw_uid);
4687 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4688 sv_setiv(sv, (IV)pwent->pw_gid);
4690 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4691 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4693 sv_setiv(sv, (IV)pwent->pw_change);
4696 sv_setiv(sv, (IV)pwent->pw_quota);
4699 sv_setpv(sv, pwent->pw_age);
4704 /* pw_class and pw_comment are mutually exclusive. */
4705 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4707 sv_setpv(sv, pwent->pw_class);
4710 sv_setpv(sv, pwent->pw_comment);
4714 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4716 sv_setpv(sv, pwent->pw_gecos);
4718 #ifndef INCOMPLETE_TAINTS
4719 /* pw_gecos is tainted because user himself can diddle with it. */
4723 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4724 sv_setpv(sv, pwent->pw_dir);
4726 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4727 sv_setpv(sv, pwent->pw_shell);
4730 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4731 sv_setiv(sv, (IV)pwent->pw_expire);
4736 DIE(aTHX_ PL_no_func, "getpwent");
4743 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
4745 # ifdef HAS_SETSPENT
4750 DIE(aTHX_ PL_no_func, "setpwent");
4757 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4759 # ifdef HAS_ENDSPENT
4764 DIE(aTHX_ PL_no_func, "endpwent");
4773 DIE(aTHX_ PL_no_func, "getgrnam");
4782 DIE(aTHX_ PL_no_func, "getgrgid");
4789 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4790 I32 which = PL_op->op_type;
4791 register char **elem;
4793 struct group *grent;
4796 if (which == OP_GGRNAM)
4797 grent = (struct group *)getgrnam(POPpx);
4798 else if (which == OP_GGRGID)
4799 grent = (struct group *)getgrgid(POPi);
4801 grent = (struct group *)getgrent();
4804 if (GIMME != G_ARRAY) {
4805 PUSHs(sv = sv_newmortal());
4807 if (which == OP_GGRNAM)
4808 sv_setiv(sv, (IV)grent->gr_gid);
4810 sv_setpv(sv, grent->gr_name);
4816 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4817 sv_setpv(sv, grent->gr_name);
4819 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4821 sv_setpv(sv, grent->gr_passwd);
4824 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4825 sv_setiv(sv, (IV)grent->gr_gid);
4827 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4828 for (elem = grent->gr_mem; elem && *elem; elem++) {
4829 sv_catpv(sv, *elem);
4831 sv_catpvn(sv, " ", 1);
4837 DIE(aTHX_ PL_no_func, "getgrent");
4844 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4848 DIE(aTHX_ PL_no_func, "setgrent");
4855 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4859 DIE(aTHX_ PL_no_func, "endgrent");
4869 if (!(tmps = PerlProc_getlogin()))
4871 PUSHp(tmps, strlen(tmps));
4874 DIE(aTHX_ PL_no_func, "getlogin");
4878 /* Miscellaneous. */
4883 djSP; dMARK; dORIGMARK; dTARGET;
4884 register I32 items = SP - MARK;
4885 unsigned long a[20];
4892 while (++MARK <= SP) {
4893 if (SvTAINTED(*MARK)) {
4899 TAINT_PROPER("syscall");
4902 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4903 * or where sizeof(long) != sizeof(char*). But such machines will
4904 * not likely have syscall implemented either, so who cares?
4906 while (++MARK <= SP) {
4907 if (SvNIOK(*MARK) || !i)
4908 a[i++] = SvIV(*MARK);
4909 else if (*MARK == &PL_sv_undef)
4912 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
4918 DIE(aTHX_ "Too many args to syscall");
4920 DIE(aTHX_ "Too few args to syscall");
4922 retval = syscall(a[0]);
4925 retval = syscall(a[0],a[1]);
4928 retval = syscall(a[0],a[1],a[2]);
4931 retval = syscall(a[0],a[1],a[2],a[3]);
4934 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4937 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4940 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4943 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4947 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4950 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4953 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4957 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4961 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4965 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4966 a[10],a[11],a[12],a[13]);
4968 #endif /* atarist */
4974 DIE(aTHX_ PL_no_func, "syscall");
4978 #ifdef FCNTL_EMULATE_FLOCK
4980 /* XXX Emulate flock() with fcntl().
4981 What's really needed is a good file locking module.
4985 fcntl_emulate_flock(int fd, int operation)
4989 switch (operation & ~LOCK_NB) {
4991 flock.l_type = F_RDLCK;
4994 flock.l_type = F_WRLCK;
4997 flock.l_type = F_UNLCK;
5003 flock.l_whence = SEEK_SET;
5004 flock.l_start = flock.l_len = (Off_t)0;
5006 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5009 #endif /* FCNTL_EMULATE_FLOCK */
5011 #ifdef LOCKF_EMULATE_FLOCK
5013 /* XXX Emulate flock() with lockf(). This is just to increase
5014 portability of scripts. The calls are not completely
5015 interchangeable. What's really needed is a good file
5019 /* The lockf() constants might have been defined in <unistd.h>.
5020 Unfortunately, <unistd.h> causes troubles on some mixed
5021 (BSD/POSIX) systems, such as SunOS 4.1.3.
5023 Further, the lockf() constants aren't POSIX, so they might not be
5024 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5025 just stick in the SVID values and be done with it. Sigh.
5029 # define F_ULOCK 0 /* Unlock a previously locked region */
5032 # define F_LOCK 1 /* Lock a region for exclusive use */
5035 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5038 # define F_TEST 3 /* Test a region for other processes locks */
5042 lockf_emulate_flock(int fd, int operation)
5048 /* flock locks entire file so for lockf we need to do the same */
5050 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5051 if (pos > 0) /* is seekable and needs to be repositioned */
5052 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5053 pos = -1; /* seek failed, so don't seek back afterwards */
5056 switch (operation) {
5058 /* LOCK_SH - get a shared lock */
5060 /* LOCK_EX - get an exclusive lock */
5062 i = lockf (fd, F_LOCK, 0);
5065 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5066 case LOCK_SH|LOCK_NB:
5067 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5068 case LOCK_EX|LOCK_NB:
5069 i = lockf (fd, F_TLOCK, 0);
5071 if ((errno == EAGAIN) || (errno == EACCES))
5072 errno = EWOULDBLOCK;
5075 /* LOCK_UN - unlock (non-blocking is a no-op) */
5077 case LOCK_UN|LOCK_NB:
5078 i = lockf (fd, F_ULOCK, 0);
5081 /* Default - can't decipher operation */
5088 if (pos > 0) /* need to restore position of the handle */
5089 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5094 #endif /* LOCKF_EMULATE_FLOCK */