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 */
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)
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 XPUSHs(sv_2mortal(newSViv((IV) offset)));
1795 XPUSHs(sv_2mortal(newSViv((IV) whence)));
1798 call_method("SEEK", G_SCALAR);
1804 if (PL_op->op_type == OP_SEEK)
1805 PUSHs(boolSV(do_seek(gv, offset, whence)));
1807 Off_t n = do_sysseek(gv, offset, whence);
1809 PUSHs(&PL_sv_undef);
1812 #if LSEEKSIZE > IVSIZE
1817 : newSVpvn(zero_but_true, ZBTLEN);
1818 PUSHs(sv_2mortal(sv));
1827 Off_t len = (Off_t)POPn;
1833 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1834 if (PL_op->op_flags & OPf_SPECIAL) {
1835 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1837 TAINT_PROPER("truncate");
1838 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
1841 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
1843 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1845 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1855 if (SvTYPE(sv) == SVt_PVGV) {
1856 tmpgv = (GV*)sv; /* *main::FRED for example */
1859 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1860 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1864 name = SvPV(sv, n_a);
1865 TAINT_PROPER("truncate");
1867 if (truncate(name, len) < 0)
1872 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1875 if (my_chsize(tmpfd, len) < 0)
1877 PerlLIO_close(tmpfd);
1886 SETERRNO(EBADF,RMS$_IFI);
1889 DIE(aTHX_ "truncate not implemented");
1902 unsigned int func = U_I(POPn);
1903 int optype = PL_op->op_type;
1909 if (!io || !argsv || !IoIFP(io)) {
1910 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1914 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1917 s = SvPV_force(argsv, len);
1918 need = IOCPARM_LEN(func);
1920 s = Sv_Grow(argsv, need + 1);
1921 SvCUR_set(argsv, need);
1924 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1927 retval = SvIV(argsv);
1928 s = INT2PTR(char*,retval); /* ouch */
1931 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1933 if (optype == OP_IOCTL)
1935 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1937 DIE(aTHX_ "ioctl is not implemented");
1941 #if defined(OS2) && defined(__EMX__)
1942 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1944 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1947 DIE(aTHX_ "fcntl is not implemented");
1951 if (s[SvCUR(argsv)] != 17)
1952 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
1953 PL_op_name[optype]);
1954 s[SvCUR(argsv)] = 0; /* put our null back */
1955 SvSETMAGIC(argsv); /* Assume it has changed */
1964 PUSHp(zero_but_true, ZBTLEN);
1984 fp = IoIFP(GvIOp(gv));
1988 (void)PerlIO_flush(fp);
1989 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1993 SETERRNO(EBADF,RMS$_IFI);
1994 if (ckWARN(WARN_CLOSED))
1995 report_closed_fh(gv, GvIO(gv), "flock", "filehandle");
2000 DIE(aTHX_ PL_no_func, "flock()");
2012 int protocol = POPi;
2020 SETERRNO(EBADF,LIB$_INVARG);
2026 do_close(gv, FALSE);
2028 TAINT_PROPER("socket");
2029 fd = PerlSock_socket(domain, type, protocol);
2032 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2033 IoOFP(io) = PerlIO_fdopen(fd, "w");
2035 if (!IoIFP(io) || !IoOFP(io)) {
2036 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2037 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2038 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2044 DIE(aTHX_ PL_no_sock_func, "socket");
2051 #ifdef HAS_SOCKETPAIR
2056 int protocol = POPi;
2069 do_close(gv1, FALSE);
2071 do_close(gv2, FALSE);
2073 TAINT_PROPER("socketpair");
2074 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2076 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2077 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2079 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2080 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2082 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2083 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2084 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2085 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2086 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2087 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2088 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2094 DIE(aTHX_ PL_no_sock_func, "socketpair");
2102 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2103 extern GETPRIVMODE();
2104 extern GETUSERMODE();
2109 register IO *io = GvIOn(gv);
2113 int mpeprivmode = 0;
2116 if (!io || !IoIFP(io))
2119 addr = SvPV(addrsv, len);
2120 TAINT_PROPER("bind");
2121 #ifdef MPE /* Deal with MPE bind() peculiarities */
2122 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2123 /* The address *MUST* stupidly be zero. */
2124 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2125 /* PRIV mode is required to bind() to ports < 1024. */
2126 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2127 ((struct sockaddr_in *)addr)->sin_port > 0) {
2128 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2133 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2134 (struct sockaddr *)addr, len) >= 0)
2137 #ifdef MPE /* Switch back to USER mode */
2148 if (ckWARN(WARN_CLOSED))
2149 report_closed_fh(gv, io, "bind", "socket");
2150 SETERRNO(EBADF,SS$_IVCHAN);
2153 DIE(aTHX_ PL_no_sock_func, "bind");
2164 register IO *io = GvIOn(gv);
2167 if (!io || !IoIFP(io))
2170 addr = SvPV(addrsv, len);
2171 TAINT_PROPER("connect");
2172 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2178 if (ckWARN(WARN_CLOSED))
2179 report_closed_fh(gv, io, "connect", "socket");
2180 SETERRNO(EBADF,SS$_IVCHAN);
2183 DIE(aTHX_ PL_no_sock_func, "connect");
2193 register IO *io = GvIOn(gv);
2195 if (!io || !IoIFP(io))
2198 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2204 if (ckWARN(WARN_CLOSED))
2205 report_closed_fh(gv, io, "listen", "socket");
2206 SETERRNO(EBADF,SS$_IVCHAN);
2209 DIE(aTHX_ PL_no_sock_func, "listen");
2221 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2222 Sock_size_t len = sizeof saddr;
2234 if (!gstio || !IoIFP(gstio))
2239 do_close(ngv, FALSE);
2241 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2244 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2245 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2246 IoTYPE(nstio) = 's';
2247 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2248 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2249 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2250 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2254 PUSHp((char *)&saddr, len);
2258 if (ckWARN(WARN_CLOSED))
2259 report_closed_fh(ggv, ggv ? GvIO(ggv) : 0, "accept", "socket");
2260 SETERRNO(EBADF,SS$_IVCHAN);
2266 DIE(aTHX_ PL_no_sock_func, "accept");
2276 register IO *io = GvIOn(gv);
2278 if (!io || !IoIFP(io))
2281 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2285 if (ckWARN(WARN_CLOSED))
2286 report_closed_fh(gv, io, "shutdown", "socket");
2287 SETERRNO(EBADF,SS$_IVCHAN);
2290 DIE(aTHX_ PL_no_sock_func, "shutdown");
2297 return pp_ssockopt();
2299 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2307 int optype = PL_op->op_type;
2310 unsigned int optname;
2316 if (optype == OP_GSOCKOPT)
2317 sv = sv_2mortal(NEWSV(22, 257));
2320 optname = (unsigned int) POPi;
2321 lvl = (unsigned int) POPi;
2325 if (!io || !IoIFP(io))
2328 fd = PerlIO_fileno(IoIFP(io));
2332 (void)SvPOK_only(sv);
2336 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2351 aint = (int)SvIV(sv);
2355 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2364 if (ckWARN(WARN_CLOSED))
2365 report_closed_fh(gv, io,
2366 optype == OP_GSOCKOPT ? "getsockopt" : "setsockopt",
2368 SETERRNO(EBADF,SS$_IVCHAN);
2373 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2380 return pp_getpeername();
2382 DIE(aTHX_ PL_no_sock_func, "getsockname");
2390 int optype = PL_op->op_type;
2394 register IO *io = GvIOn(gv);
2397 if (!io || !IoIFP(io))
2400 sv = sv_2mortal(NEWSV(22, 257));
2401 (void)SvPOK_only(sv);
2405 fd = PerlIO_fileno(IoIFP(io));
2407 case OP_GETSOCKNAME:
2408 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2411 case OP_GETPEERNAME:
2412 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2414 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2416 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";
2417 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2418 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2419 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2420 sizeof(u_short) + sizeof(struct in_addr))) {
2427 #ifdef BOGUS_GETNAME_RETURN
2428 /* Interactive Unix, getpeername() and getsockname()
2429 does not return valid namelen */
2430 if (len == BOGUS_GETNAME_RETURN)
2431 len = sizeof(struct sockaddr);
2439 if (ckWARN(WARN_CLOSED))
2440 report_closed_fh(gv, io,
2441 optype == OP_GETSOCKNAME ? "getsockname"
2444 SETERRNO(EBADF,SS$_IVCHAN);
2449 DIE(aTHX_ PL_no_sock_func, "getpeername");
2468 if (PL_op->op_flags & OPf_REF) {
2471 if (tmpgv != PL_defgv) {
2472 PL_laststype = OP_STAT;
2474 sv_setpv(PL_statname, "");
2475 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2476 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2478 if (PL_laststatval < 0)
2483 if (SvTYPE(sv) == SVt_PVGV) {
2487 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2488 tmpgv = (GV*)SvRV(sv);
2491 sv_setpv(PL_statname, SvPV(sv,n_a));
2494 PL_laststype = PL_op->op_type;
2495 if (PL_op->op_type == OP_LSTAT)
2496 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2499 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2500 if (PL_laststatval < 0) {
2501 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2502 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2508 if (gimme != G_ARRAY) {
2509 if (gimme != G_VOID)
2510 XPUSHs(boolSV(max));
2516 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2517 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2518 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mode)));
2519 PUSHs(sv_2mortal(newSViv(PL_statcache.st_nlink)));
2520 #if Uid_t_size > IVSIZE
2521 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2523 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2525 #if Gid_t_size > IVSIZE
2526 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2528 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2530 #ifdef USE_STAT_RDEV
2531 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2533 PUSHs(sv_2mortal(newSVpvn("", 0)));
2535 #if Off_t_size > IVSIZE
2536 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2538 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2541 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2542 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2543 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2545 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2546 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2547 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2549 #ifdef USE_STAT_BLOCKS
2550 PUSHs(sv_2mortal(newSViv(PL_statcache.st_blksize)));
2551 PUSHs(sv_2mortal(newSViv(PL_statcache.st_blocks)));
2553 PUSHs(sv_2mortal(newSVpvn("", 0)));
2554 PUSHs(sv_2mortal(newSVpvn("", 0)));
2564 #if defined(HAS_ACCESS) && defined(R_OK)
2566 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2567 result = access(TOPpx, R_OK);
2582 if (cando(S_IRUSR, 0, &PL_statcache))
2591 #if defined(HAS_ACCESS) && defined(W_OK)
2593 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2594 result = access(TOPpx, W_OK);
2609 if (cando(S_IWUSR, 0, &PL_statcache))
2618 #if defined(HAS_ACCESS) && defined(X_OK)
2620 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2621 result = access(TOPpx, X_OK);
2636 if (cando(S_IXUSR, 0, &PL_statcache))
2645 #ifdef PERL_EFF_ACCESS_R_OK
2647 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2648 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2663 if (cando(S_IRUSR, 1, &PL_statcache))
2672 #ifdef PERL_EFF_ACCESS_W_OK
2674 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2675 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2690 if (cando(S_IWUSR, 1, &PL_statcache))
2699 #ifdef PERL_EFF_ACCESS_X_OK
2701 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2702 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2717 if (cando(S_IXUSR, 1, &PL_statcache))
2724 I32 result = my_stat();
2733 return pp_ftrowned();
2738 I32 result = my_stat();
2742 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2750 I32 result = my_stat();
2754 if (PL_statcache.st_size == 0)
2761 I32 result = my_stat();
2765 #if Off_t_size > IVSIZE
2766 PUSHn(PL_statcache.st_size);
2768 PUSHi(PL_statcache.st_size);
2775 I32 result = my_stat();
2779 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2785 I32 result = my_stat();
2789 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2795 I32 result = my_stat();
2799 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
2805 I32 result = my_stat();
2809 if (S_ISSOCK(PL_statcache.st_mode))
2816 I32 result = my_stat();
2820 if (S_ISCHR(PL_statcache.st_mode))
2827 I32 result = my_stat();
2831 if (S_ISBLK(PL_statcache.st_mode))
2838 I32 result = my_stat();
2842 if (S_ISREG(PL_statcache.st_mode))
2849 I32 result = my_stat();
2853 if (S_ISDIR(PL_statcache.st_mode))
2860 I32 result = my_stat();
2864 if (S_ISFIFO(PL_statcache.st_mode))
2871 I32 result = my_lstat();
2875 if (S_ISLNK(PL_statcache.st_mode))
2884 I32 result = my_stat();
2888 if (PL_statcache.st_mode & S_ISUID)
2898 I32 result = my_stat();
2902 if (PL_statcache.st_mode & S_ISGID)
2912 I32 result = my_stat();
2916 if (PL_statcache.st_mode & S_ISVTX)
2927 char *tmps = Nullch;
2930 if (PL_op->op_flags & OPf_REF)
2932 else if (isGV(TOPs))
2934 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2935 gv = (GV*)SvRV(POPs);
2937 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2939 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2940 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2941 else if (tmps && isDIGIT(*tmps))
2945 if (PerlLIO_isatty(fd))
2950 #if defined(atarist) /* this will work with atariST. Configure will
2951 make guesses for other systems. */
2952 # define FILE_base(f) ((f)->_base)
2953 # define FILE_ptr(f) ((f)->_ptr)
2954 # define FILE_cnt(f) ((f)->_cnt)
2955 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2965 register STDCHAR *s;
2972 if (PL_op->op_flags & OPf_REF)
2974 else if (isGV(TOPs))
2976 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2977 gv = (GV*)SvRV(POPs);
2983 if (gv == PL_defgv) {
2985 io = GvIO(PL_statgv);
2988 goto really_filename;
2993 PL_laststatval = -1;
2994 sv_setpv(PL_statname, "");
2995 io = GvIO(PL_statgv);
2997 if (io && IoIFP(io)) {
2998 if (! PerlIO_has_base(IoIFP(io)))
2999 DIE(aTHX_ "-T and -B not implemented on filehandles");
3000 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3001 if (PL_laststatval < 0)
3003 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
3004 if (PL_op->op_type == OP_FTTEXT)
3008 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3009 i = PerlIO_getc(IoIFP(io));
3011 (void)PerlIO_ungetc(IoIFP(io),i);
3013 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3015 len = PerlIO_get_bufsiz(IoIFP(io));
3016 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3017 /* sfio can have large buffers - limit to 512 */
3022 if (ckWARN(WARN_UNOPENED)) {
3024 Perl_warner(aTHX_ WARN_UNOPENED, "Test on unopened file <%s>",
3027 SETERRNO(EBADF,RMS$_IFI);
3035 PL_laststatval = -1;
3036 sv_setpv(PL_statname, SvPV(sv, n_a));
3037 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3038 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3039 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3042 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3043 if (PL_laststatval < 0) {
3044 (void)PerlIO_close(fp);
3047 do_binmode(fp, '<', TRUE);
3048 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3049 (void)PerlIO_close(fp);
3051 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3052 RETPUSHNO; /* special case NFS directories */
3053 RETPUSHYES; /* null file is anything */
3058 /* now scan s to look for textiness */
3059 /* XXX ASCII dependent code */
3061 #if defined(DOSISH) || defined(USEMYBINMODE)
3062 /* ignore trailing ^Z on short files */
3063 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3067 for (i = 0; i < len; i++, s++) {
3068 if (!*s) { /* null never allowed in text */
3073 else if (!(isPRINT(*s) || isSPACE(*s)))
3076 else if (*s & 128) {
3078 if (!(PL_op->op_private & OPpLOCALE) || !isALPHA_LC(*s))
3083 *s != '\n' && *s != '\r' && *s != '\b' &&
3084 *s != '\t' && *s != '\f' && *s != 27)
3089 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3113 if (!tmps || !*tmps) {
3114 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3116 tmps = SvPV(*svp, n_a);
3118 if (!tmps || !*tmps) {
3119 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3121 tmps = SvPV(*svp, n_a);
3124 if (!tmps || !*tmps) {
3125 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3127 tmps = SvPV(*svp, n_a);
3130 TAINT_PROPER("chdir");
3131 PUSHi( PerlDir_chdir(tmps) >= 0 );
3133 /* Clear the DEFAULT element of ENV so we'll get the new value
3135 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3142 djSP; dMARK; dTARGET;
3145 value = (I32)apply(PL_op->op_type, MARK, SP);
3150 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3161 TAINT_PROPER("chroot");
3162 PUSHi( chroot(tmps) >= 0 );
3165 DIE(aTHX_ PL_no_func, "chroot");
3171 djSP; dMARK; dTARGET;
3173 value = (I32)apply(PL_op->op_type, MARK, SP);
3181 djSP; dMARK; dTARGET;
3183 value = (I32)apply(PL_op->op_type, MARK, SP);
3191 djSP; dMARK; dTARGET;
3193 value = (I32)apply(PL_op->op_type, MARK, SP);
3205 char *tmps2 = POPpx;
3206 char *tmps = SvPV(TOPs, n_a);
3207 TAINT_PROPER("rename");
3209 anum = PerlLIO_rename(tmps, tmps2);
3211 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3212 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3215 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3216 (void)UNLINK(tmps2);
3217 if (!(anum = link(tmps, tmps2)))
3218 anum = UNLINK(tmps);
3231 char *tmps2 = POPpx;
3232 char *tmps = SvPV(TOPs, n_a);
3233 TAINT_PROPER("link");
3234 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3236 DIE(aTHX_ PL_no_func, "Unsupported function link");
3246 char *tmps2 = POPpx;
3247 char *tmps = SvPV(TOPs, n_a);
3248 TAINT_PROPER("symlink");
3249 SETi( symlink(tmps, tmps2) >= 0 );
3252 DIE(aTHX_ PL_no_func, "symlink");
3261 char buf[MAXPATHLEN];
3265 #ifndef INCOMPLETE_TAINTS
3269 len = readlink(tmps, buf, sizeof buf);
3277 RETSETUNDEF; /* just pretend it's a normal file */
3281 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3283 S_dooneliner(pTHX_ char *cmd, char *filename)
3285 char *save_filename = filename;
3291 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3292 strcpy(cmdline, cmd);
3293 strcat(cmdline, " ");
3294 for (s = cmdline + strlen(cmdline); *filename; ) {
3299 myfp = PerlProc_popen(cmdline, "r");
3303 SV *tmpsv = sv_newmortal();
3304 /* Need to save/restore 'PL_rs' ?? */
3305 s = sv_gets(tmpsv, myfp, 0);
3306 (void)PerlProc_pclose(myfp);
3310 #ifdef HAS_SYS_ERRLIST
3315 /* you don't see this */
3317 #ifdef HAS_SYS_ERRLIST
3325 if (instr(s, errmsg)) {
3332 #define EACCES EPERM
3334 if (instr(s, "cannot make"))
3335 SETERRNO(EEXIST,RMS$_FEX);
3336 else if (instr(s, "existing file"))
3337 SETERRNO(EEXIST,RMS$_FEX);
3338 else if (instr(s, "ile exists"))
3339 SETERRNO(EEXIST,RMS$_FEX);
3340 else if (instr(s, "non-exist"))
3341 SETERRNO(ENOENT,RMS$_FNF);
3342 else if (instr(s, "does not exist"))
3343 SETERRNO(ENOENT,RMS$_FNF);
3344 else if (instr(s, "not empty"))
3345 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3346 else if (instr(s, "cannot access"))
3347 SETERRNO(EACCES,RMS$_PRV);
3349 SETERRNO(EPERM,RMS$_PRV);
3352 else { /* some mkdirs return no failure indication */
3353 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3354 if (PL_op->op_type == OP_RMDIR)
3359 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3376 char *tmps = SvPV(TOPs, n_a);
3378 TAINT_PROPER("mkdir");
3380 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3382 SETi( dooneliner("mkdir", tmps) );
3383 oldumask = PerlLIO_umask(0);
3384 PerlLIO_umask(oldumask);
3385 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3397 TAINT_PROPER("rmdir");
3399 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3401 XPUSHi( dooneliner("rmdir", tmps) );
3406 /* Directory calls. */
3411 #if defined(Direntry_t) && defined(HAS_READDIR)
3413 char *dirname = POPpx;
3415 register IO *io = GvIOn(gv);
3421 PerlDir_close(IoDIRP(io));
3422 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3428 SETERRNO(EBADF,RMS$_DIR);
3431 DIE(aTHX_ PL_no_dir_func, "opendir");
3438 #if defined(Direntry_t) && defined(HAS_READDIR)
3440 Direntry_t *readdir (DIR *);
3442 register Direntry_t *dp;
3444 register IO *io = GvIOn(gv);
3447 if (!io || !IoDIRP(io))
3450 if (GIMME == G_ARRAY) {
3452 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3454 sv = newSVpvn(dp->d_name, dp->d_namlen);
3456 sv = newSVpv(dp->d_name, 0);
3458 #ifndef INCOMPLETE_TAINTS
3461 XPUSHs(sv_2mortal(sv));
3465 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3468 sv = newSVpvn(dp->d_name, dp->d_namlen);
3470 sv = newSVpv(dp->d_name, 0);
3472 #ifndef INCOMPLETE_TAINTS
3475 XPUSHs(sv_2mortal(sv));
3481 SETERRNO(EBADF,RMS$_ISI);
3482 if (GIMME == G_ARRAY)
3487 DIE(aTHX_ PL_no_dir_func, "readdir");
3494 #if defined(HAS_TELLDIR) || defined(telldir)
3495 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3496 /* XXX netbsd still seemed to.
3497 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3498 --JHI 1999-Feb-02 */
3499 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3500 long telldir (DIR *);
3503 register IO *io = GvIOn(gv);
3505 if (!io || !IoDIRP(io))
3508 PUSHi( PerlDir_tell(IoDIRP(io)) );
3512 SETERRNO(EBADF,RMS$_ISI);
3515 DIE(aTHX_ PL_no_dir_func, "telldir");
3522 #if defined(HAS_SEEKDIR) || defined(seekdir)
3525 register IO *io = GvIOn(gv);
3527 if (!io || !IoDIRP(io))
3530 (void)PerlDir_seek(IoDIRP(io), along);
3535 SETERRNO(EBADF,RMS$_ISI);
3538 DIE(aTHX_ PL_no_dir_func, "seekdir");
3545 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3547 register IO *io = GvIOn(gv);
3549 if (!io || !IoDIRP(io))
3552 (void)PerlDir_rewind(IoDIRP(io));
3556 SETERRNO(EBADF,RMS$_ISI);
3559 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3566 #if defined(Direntry_t) && defined(HAS_READDIR)
3568 register IO *io = GvIOn(gv);
3570 if (!io || !IoDIRP(io))
3573 #ifdef VOID_CLOSEDIR
3574 PerlDir_close(IoDIRP(io));
3576 if (PerlDir_close(IoDIRP(io)) < 0) {
3577 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3586 SETERRNO(EBADF,RMS$_IFI);
3589 DIE(aTHX_ PL_no_dir_func, "closedir");
3593 /* Process control. */
3603 PERL_FLUSHALL_FOR_CHILD;
3609 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3610 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3611 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3616 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3621 PERL_FLUSHALL_FOR_CHILD;
3622 childpid = PerlProc_fork();
3626 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3633 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3638 childpid = wait4pid(-1, &argflags, 0);
3639 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3643 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3649 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3657 childpid = wait4pid(childpid, &argflags, optype);
3658 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3662 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3668 djSP; dMARK; dORIGMARK; dTARGET;
3673 Sigsave_t ihand,qhand; /* place to save signals during system() */
3678 if (SP - MARK == 1) {
3680 char *junk = SvPV(TOPs, n_a);
3682 TAINT_PROPER("system");
3685 PERL_FLUSHALL_FOR_CHILD;
3686 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3687 if (PerlProc_pipe(pp) >= 0)
3689 while ((childpid = vfork()) == -1) {
3690 if (errno != EAGAIN) {
3695 PerlLIO_close(pp[0]);
3696 PerlLIO_close(pp[1]);
3704 PerlLIO_close(pp[1]);
3705 rsignal_save(SIGINT, SIG_IGN, &ihand);
3706 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3708 result = wait4pid(childpid, &status, 0);
3709 } while (result == -1 && errno == EINTR);
3710 (void)rsignal_restore(SIGINT, &ihand);
3711 (void)rsignal_restore(SIGQUIT, &qhand);
3712 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3713 do_execfree(); /* free any memory child malloced on vfork */
3719 while (n < sizeof(int)) {
3720 n1 = PerlLIO_read(pp[0],
3721 (void*)(((char*)&errkid)+n),
3727 PerlLIO_close(pp[0]);
3728 if (n) { /* Error */
3729 if (n != sizeof(int))
3730 DIE(aTHX_ "panic: kid popen errno read");
3731 errno = errkid; /* Propagate errno from kid */
3732 STATUS_CURRENT = -1;
3735 PUSHi(STATUS_CURRENT);
3739 PerlLIO_close(pp[0]);
3740 #if defined(HAS_FCNTL) && defined(F_SETFD)
3741 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3744 if (PL_op->op_flags & OPf_STACKED) {
3745 SV *really = *++MARK;
3746 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3748 else if (SP - MARK != 1)
3749 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3751 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3754 #else /* ! FORK or VMS or OS/2 */
3755 if (PL_op->op_flags & OPf_STACKED) {
3756 SV *really = *++MARK;
3757 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3759 else if (SP - MARK != 1)
3760 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3762 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3764 STATUS_NATIVE_SET(value);
3767 PUSHi(STATUS_CURRENT);
3768 #endif /* !FORK or VMS */
3774 djSP; dMARK; dORIGMARK; dTARGET;
3778 PERL_FLUSHALL_FOR_CHILD;
3779 if (PL_op->op_flags & OPf_STACKED) {
3780 SV *really = *++MARK;
3781 value = (I32)do_aexec(really, MARK, SP);
3783 else if (SP - MARK != 1)
3785 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3789 (void ) do_aspawn(Nullsv, MARK, SP);
3793 value = (I32)do_aexec(Nullsv, MARK, SP);
3798 char *junk = SvPV(*SP, n_a);
3800 TAINT_PROPER("exec");
3803 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3806 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3809 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3814 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3826 djSP; dMARK; dTARGET;
3829 value = (I32)apply(PL_op->op_type, MARK, SP);
3834 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3842 XPUSHi( getppid() );
3845 DIE(aTHX_ PL_no_func, "getppid");
3861 pgrp = (I32)BSD_GETPGRP(pid);
3863 if (pid != 0 && pid != PerlProc_getpid())
3864 DIE(aTHX_ "POSIX getpgrp can't take an argument");
3870 DIE(aTHX_ PL_no_func, "getpgrp()");
3889 TAINT_PROPER("setpgrp");
3891 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3893 if ((pgrp != 0 && pgrp != PerlProc_getpid())
3894 || (pid != 0 && pid != PerlProc_getpid()))
3896 DIE(aTHX_ "setpgrp can't take arguments");
3898 SETi( setpgrp() >= 0 );
3899 #endif /* USE_BSDPGRP */
3902 DIE(aTHX_ PL_no_func, "setpgrp()");
3911 #ifdef HAS_GETPRIORITY
3914 SETi( getpriority(which, who) );
3917 DIE(aTHX_ PL_no_func, "getpriority()");
3927 #ifdef HAS_SETPRIORITY
3931 TAINT_PROPER("setpriority");
3932 SETi( setpriority(which, who, niceval) >= 0 );
3935 DIE(aTHX_ PL_no_func, "setpriority()");
3945 XPUSHn( time(Null(Time_t*)) );
3947 XPUSHi( time(Null(Time_t*)) );
3952 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3953 to HZ. Probably. For now, assume that if the system
3954 defines HZ, it does so correctly. (Will this break
3956 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3957 it's supported. --AD 9/96.
3973 DIE(aTHX_ "times not implemented");
3978 (void)PerlProc_times(&PL_timesbuf);
3980 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3981 /* struct tms, though same data */
3985 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
3986 if (GIMME == G_ARRAY) {
3987 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
3988 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
3989 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
3992 #endif /* HAS_TIMES */
4005 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4006 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4007 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4013 when = (Time_t)SvNVx(POPs);
4015 when = (Time_t)SvIVx(POPs);
4018 if (PL_op->op_type == OP_LOCALTIME)
4019 tmbuf = localtime(&when);
4021 tmbuf = gmtime(&when);
4025 if (GIMME != G_ARRAY) {
4030 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4031 dayname[tmbuf->tm_wday],
4032 monname[tmbuf->tm_mon],
4037 tmbuf->tm_year + 1900);
4038 PUSHs(sv_2mortal(tsv));
4041 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4042 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4043 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4044 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4045 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4046 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4047 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4048 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4049 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4060 anum = alarm((unsigned int)anum);
4067 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4078 (void)time(&lasttime);
4083 PerlProc_sleep((unsigned int)duration);
4086 XPUSHi(when - lasttime);
4090 /* Shared memory. */
4104 return pp_shmwrite();
4109 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4110 djSP; dMARK; dTARGET;
4111 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4120 /* Message passing. */
4134 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4135 djSP; dMARK; dTARGET;
4136 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4147 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4148 djSP; dMARK; dTARGET;
4149 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4162 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4163 djSP; dMARK; dTARGET;
4164 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4171 DIE(aTHX_ "System V IPC is not implemented on this machine");
4177 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4178 djSP; dMARK; dTARGET;
4179 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4187 PUSHp(zero_but_true, ZBTLEN);
4197 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4198 djSP; dMARK; dTARGET;
4199 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4208 /* Get system info. */
4212 #ifdef HAS_GETHOSTBYNAME
4213 return pp_ghostent();
4215 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4221 #ifdef HAS_GETHOSTBYADDR
4222 return pp_ghostent();
4224 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4231 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4232 I32 which = PL_op->op_type;
4233 register char **elem;
4235 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4236 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4237 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4238 struct hostent *PerlSock_gethostent(void);
4240 struct hostent *hent;
4245 if (which == OP_GHBYNAME)
4246 #ifdef HAS_GETHOSTBYNAME
4247 hent = PerlSock_gethostbyname(POPpx);
4249 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4251 else if (which == OP_GHBYADDR) {
4252 #ifdef HAS_GETHOSTBYADDR
4253 int addrtype = POPi;
4256 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4258 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4260 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4264 #ifdef HAS_GETHOSTENT
4265 hent = PerlSock_gethostent();
4267 DIE(aTHX_ PL_no_sock_func, "gethostent");
4270 #ifdef HOST_NOT_FOUND
4272 STATUS_NATIVE_SET(h_errno);
4275 if (GIMME != G_ARRAY) {
4276 PUSHs(sv = sv_newmortal());
4278 if (which == OP_GHBYNAME) {
4280 sv_setpvn(sv, hent->h_addr, hent->h_length);
4283 sv_setpv(sv, (char*)hent->h_name);
4289 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4290 sv_setpv(sv, (char*)hent->h_name);
4291 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4292 for (elem = hent->h_aliases; elem && *elem; elem++) {
4293 sv_catpv(sv, *elem);
4295 sv_catpvn(sv, " ", 1);
4297 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4298 sv_setiv(sv, (IV)hent->h_addrtype);
4299 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4300 len = hent->h_length;
4301 sv_setiv(sv, (IV)len);
4303 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4304 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4305 sv_setpvn(sv, *elem, len);
4308 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4310 sv_setpvn(sv, hent->h_addr, len);
4315 DIE(aTHX_ PL_no_sock_func, "gethostent");
4321 #ifdef HAS_GETNETBYNAME
4322 return pp_gnetent();
4324 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4330 #ifdef HAS_GETNETBYADDR
4331 return pp_gnetent();
4333 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4340 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4341 I32 which = PL_op->op_type;
4342 register char **elem;
4344 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4345 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4346 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4347 struct netent *PerlSock_getnetent(void);
4349 struct netent *nent;
4352 if (which == OP_GNBYNAME)
4353 #ifdef HAS_GETNETBYNAME
4354 nent = PerlSock_getnetbyname(POPpx);
4356 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4358 else if (which == OP_GNBYADDR) {
4359 #ifdef HAS_GETNETBYADDR
4360 int addrtype = POPi;
4361 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4362 nent = PerlSock_getnetbyaddr(addr, addrtype);
4364 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4368 #ifdef HAS_GETNETENT
4369 nent = PerlSock_getnetent();
4371 DIE(aTHX_ PL_no_sock_func, "getnetent");
4375 if (GIMME != G_ARRAY) {
4376 PUSHs(sv = sv_newmortal());
4378 if (which == OP_GNBYNAME)
4379 sv_setiv(sv, (IV)nent->n_net);
4381 sv_setpv(sv, nent->n_name);
4387 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4388 sv_setpv(sv, nent->n_name);
4389 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4390 for (elem = nent->n_aliases; elem && *elem; elem++) {
4391 sv_catpv(sv, *elem);
4393 sv_catpvn(sv, " ", 1);
4395 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4396 sv_setiv(sv, (IV)nent->n_addrtype);
4397 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4398 sv_setiv(sv, (IV)nent->n_net);
4403 DIE(aTHX_ PL_no_sock_func, "getnetent");
4409 #ifdef HAS_GETPROTOBYNAME
4410 return pp_gprotoent();
4412 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4418 #ifdef HAS_GETPROTOBYNUMBER
4419 return pp_gprotoent();
4421 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4428 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4429 I32 which = PL_op->op_type;
4430 register char **elem;
4432 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4433 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4434 struct protoent *PerlSock_getprotobynumber(int);
4435 struct protoent *PerlSock_getprotoent(void);
4437 struct protoent *pent;
4440 if (which == OP_GPBYNAME)
4441 #ifdef HAS_GETPROTOBYNAME
4442 pent = PerlSock_getprotobyname(POPpx);
4444 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4446 else if (which == OP_GPBYNUMBER)
4447 #ifdef HAS_GETPROTOBYNUMBER
4448 pent = PerlSock_getprotobynumber(POPi);
4450 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4453 #ifdef HAS_GETPROTOENT
4454 pent = PerlSock_getprotoent();
4456 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4460 if (GIMME != G_ARRAY) {
4461 PUSHs(sv = sv_newmortal());
4463 if (which == OP_GPBYNAME)
4464 sv_setiv(sv, (IV)pent->p_proto);
4466 sv_setpv(sv, pent->p_name);
4472 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4473 sv_setpv(sv, pent->p_name);
4474 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4475 for (elem = pent->p_aliases; elem && *elem; elem++) {
4476 sv_catpv(sv, *elem);
4478 sv_catpvn(sv, " ", 1);
4480 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4481 sv_setiv(sv, (IV)pent->p_proto);
4486 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4492 #ifdef HAS_GETSERVBYNAME
4493 return pp_gservent();
4495 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4501 #ifdef HAS_GETSERVBYPORT
4502 return pp_gservent();
4504 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4511 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4512 I32 which = PL_op->op_type;
4513 register char **elem;
4515 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4516 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4517 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4518 struct servent *PerlSock_getservent(void);
4520 struct servent *sent;
4523 if (which == OP_GSBYNAME) {
4524 #ifdef HAS_GETSERVBYNAME
4525 char *proto = POPpx;
4528 if (proto && !*proto)
4531 sent = PerlSock_getservbyname(name, proto);
4533 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4536 else if (which == OP_GSBYPORT) {
4537 #ifdef HAS_GETSERVBYPORT
4538 char *proto = POPpx;
4539 unsigned short port = POPu;
4542 port = PerlSock_htons(port);
4544 sent = PerlSock_getservbyport(port, proto);
4546 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4550 #ifdef HAS_GETSERVENT
4551 sent = PerlSock_getservent();
4553 DIE(aTHX_ PL_no_sock_func, "getservent");
4557 if (GIMME != G_ARRAY) {
4558 PUSHs(sv = sv_newmortal());
4560 if (which == OP_GSBYNAME) {
4562 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4564 sv_setiv(sv, (IV)(sent->s_port));
4568 sv_setpv(sv, sent->s_name);
4574 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4575 sv_setpv(sv, sent->s_name);
4576 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4577 for (elem = sent->s_aliases; elem && *elem; elem++) {
4578 sv_catpv(sv, *elem);
4580 sv_catpvn(sv, " ", 1);
4582 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4584 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4586 sv_setiv(sv, (IV)(sent->s_port));
4588 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4589 sv_setpv(sv, sent->s_proto);
4594 DIE(aTHX_ PL_no_sock_func, "getservent");
4601 #ifdef HAS_SETHOSTENT
4602 PerlSock_sethostent(TOPi);
4605 DIE(aTHX_ PL_no_sock_func, "sethostent");
4612 #ifdef HAS_SETNETENT
4613 PerlSock_setnetent(TOPi);
4616 DIE(aTHX_ PL_no_sock_func, "setnetent");
4623 #ifdef HAS_SETPROTOENT
4624 PerlSock_setprotoent(TOPi);
4627 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4634 #ifdef HAS_SETSERVENT
4635 PerlSock_setservent(TOPi);
4638 DIE(aTHX_ PL_no_sock_func, "setservent");
4645 #ifdef HAS_ENDHOSTENT
4646 PerlSock_endhostent();
4650 DIE(aTHX_ PL_no_sock_func, "endhostent");
4657 #ifdef HAS_ENDNETENT
4658 PerlSock_endnetent();
4662 DIE(aTHX_ PL_no_sock_func, "endnetent");
4669 #ifdef HAS_ENDPROTOENT
4670 PerlSock_endprotoent();
4674 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4681 #ifdef HAS_ENDSERVENT
4682 PerlSock_endservent();
4686 DIE(aTHX_ PL_no_sock_func, "endservent");
4695 DIE(aTHX_ PL_no_func, "getpwnam");
4704 DIE(aTHX_ PL_no_func, "getpwuid");
4711 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4712 I32 which = PL_op->op_type;
4714 struct passwd *pwent;
4716 #if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4717 struct spwd *spwent = NULL;
4720 if (which == OP_GPWNAM)
4721 pwent = getpwnam(POPpx);
4722 else if (which == OP_GPWUID)
4723 pwent = getpwuid(POPi);
4725 pwent = (struct passwd *)getpwent();
4728 if (which == OP_GPWNAM) {
4730 spwent = getspnam(pwent->pw_name);
4732 # ifdef HAS_GETSPUID /* AFAIK there isn't any anywhere. --jhi */
4733 else if (which == OP_GPWUID) {
4735 spwent = getspnam(pwent->pw_name);
4738 # ifdef HAS_GETSPENT
4740 spwent = (struct spwd *)getspent();
4745 if (GIMME != G_ARRAY) {
4746 PUSHs(sv = sv_newmortal());
4748 if (which == OP_GPWNAM)
4749 sv_setiv(sv, (IV)pwent->pw_uid);
4751 sv_setpv(sv, pwent->pw_name);
4757 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4758 sv_setpv(sv, pwent->pw_name);
4760 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4762 # if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4764 sv_setpv(sv, spwent->sp_pwdp);
4766 sv_setpv(sv, pwent->pw_passwd);
4768 sv_setpv(sv, pwent->pw_passwd);
4772 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4773 sv_setiv(sv, (IV)pwent->pw_uid);
4775 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4776 sv_setiv(sv, (IV)pwent->pw_gid);
4778 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4779 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4781 sv_setiv(sv, (IV)pwent->pw_change);
4784 sv_setiv(sv, (IV)pwent->pw_quota);
4787 sv_setpv(sv, pwent->pw_age);
4792 /* pw_class and pw_comment are mutually exclusive. */
4793 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4795 sv_setpv(sv, pwent->pw_class);
4798 sv_setpv(sv, pwent->pw_comment);
4802 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4804 sv_setpv(sv, pwent->pw_gecos);
4806 #ifndef INCOMPLETE_TAINTS
4807 /* pw_gecos is tainted because user himself can diddle with it. */
4811 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4812 sv_setpv(sv, pwent->pw_dir);
4814 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4815 sv_setpv(sv, pwent->pw_shell);
4818 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4819 sv_setiv(sv, (IV)pwent->pw_expire);
4824 DIE(aTHX_ PL_no_func, "getpwent");
4831 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
4833 # ifdef HAS_SETSPENT
4838 DIE(aTHX_ PL_no_func, "setpwent");
4845 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4847 # ifdef HAS_ENDSPENT
4852 DIE(aTHX_ PL_no_func, "endpwent");
4861 DIE(aTHX_ PL_no_func, "getgrnam");
4870 DIE(aTHX_ PL_no_func, "getgrgid");
4877 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4878 I32 which = PL_op->op_type;
4879 register char **elem;
4881 struct group *grent;
4884 if (which == OP_GGRNAM)
4885 grent = (struct group *)getgrnam(POPpx);
4886 else if (which == OP_GGRGID)
4887 grent = (struct group *)getgrgid(POPi);
4889 grent = (struct group *)getgrent();
4892 if (GIMME != G_ARRAY) {
4893 PUSHs(sv = sv_newmortal());
4895 if (which == OP_GGRNAM)
4896 sv_setiv(sv, (IV)grent->gr_gid);
4898 sv_setpv(sv, grent->gr_name);
4904 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4905 sv_setpv(sv, grent->gr_name);
4907 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4909 sv_setpv(sv, grent->gr_passwd);
4912 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4913 sv_setiv(sv, (IV)grent->gr_gid);
4915 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4916 for (elem = grent->gr_mem; elem && *elem; elem++) {
4917 sv_catpv(sv, *elem);
4919 sv_catpvn(sv, " ", 1);
4925 DIE(aTHX_ PL_no_func, "getgrent");
4932 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4936 DIE(aTHX_ PL_no_func, "setgrent");
4943 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4947 DIE(aTHX_ PL_no_func, "endgrent");
4957 if (!(tmps = PerlProc_getlogin()))
4959 PUSHp(tmps, strlen(tmps));
4962 DIE(aTHX_ PL_no_func, "getlogin");
4966 /* Miscellaneous. */
4971 djSP; dMARK; dORIGMARK; dTARGET;
4972 register I32 items = SP - MARK;
4973 unsigned long a[20];
4980 while (++MARK <= SP) {
4981 if (SvTAINTED(*MARK)) {
4987 TAINT_PROPER("syscall");
4990 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4991 * or where sizeof(long) != sizeof(char*). But such machines will
4992 * not likely have syscall implemented either, so who cares?
4994 while (++MARK <= SP) {
4995 if (SvNIOK(*MARK) || !i)
4996 a[i++] = SvIV(*MARK);
4997 else if (*MARK == &PL_sv_undef)
5000 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5006 DIE(aTHX_ "Too many args to syscall");
5008 DIE(aTHX_ "Too few args to syscall");
5010 retval = syscall(a[0]);
5013 retval = syscall(a[0],a[1]);
5016 retval = syscall(a[0],a[1],a[2]);
5019 retval = syscall(a[0],a[1],a[2],a[3]);
5022 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5025 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5028 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5031 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5035 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5038 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5041 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],
5054 a[10],a[11],a[12],a[13]);
5056 #endif /* atarist */
5062 DIE(aTHX_ PL_no_func, "syscall");
5066 #ifdef FCNTL_EMULATE_FLOCK
5068 /* XXX Emulate flock() with fcntl().
5069 What's really needed is a good file locking module.
5073 fcntl_emulate_flock(int fd, int operation)
5077 switch (operation & ~LOCK_NB) {
5079 flock.l_type = F_RDLCK;
5082 flock.l_type = F_WRLCK;
5085 flock.l_type = F_UNLCK;
5091 flock.l_whence = SEEK_SET;
5092 flock.l_start = flock.l_len = (Off_t)0;
5094 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5097 #endif /* FCNTL_EMULATE_FLOCK */
5099 #ifdef LOCKF_EMULATE_FLOCK
5101 /* XXX Emulate flock() with lockf(). This is just to increase
5102 portability of scripts. The calls are not completely
5103 interchangeable. What's really needed is a good file
5107 /* The lockf() constants might have been defined in <unistd.h>.
5108 Unfortunately, <unistd.h> causes troubles on some mixed
5109 (BSD/POSIX) systems, such as SunOS 4.1.3.
5111 Further, the lockf() constants aren't POSIX, so they might not be
5112 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5113 just stick in the SVID values and be done with it. Sigh.
5117 # define F_ULOCK 0 /* Unlock a previously locked region */
5120 # define F_LOCK 1 /* Lock a region for exclusive use */
5123 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5126 # define F_TEST 3 /* Test a region for other processes locks */
5130 lockf_emulate_flock(int fd, int operation)
5136 /* flock locks entire file so for lockf we need to do the same */
5138 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5139 if (pos > 0) /* is seekable and needs to be repositioned */
5140 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5141 pos = -1; /* seek failed, so don't seek back afterwards */
5144 switch (operation) {
5146 /* LOCK_SH - get a shared lock */
5148 /* LOCK_EX - get an exclusive lock */
5150 i = lockf (fd, F_LOCK, 0);
5153 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5154 case LOCK_SH|LOCK_NB:
5155 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5156 case LOCK_EX|LOCK_NB:
5157 i = lockf (fd, F_TLOCK, 0);
5159 if ((errno == EAGAIN) || (errno == EACCES))
5160 errno = EWOULDBLOCK;
5163 /* LOCK_UN - unlock (non-blocking is a no-op) */
5165 case LOCK_UN|LOCK_NB:
5166 i = lockf (fd, F_ULOCK, 0);
5169 /* Default - can't decipher operation */
5176 if (pos > 0) /* need to restore position of the handle */
5177 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5182 #endif /* LOCKF_EMULATE_FLOCK */