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 #if defined(HAS_FCNTL) && defined(F_SETFD) && !defined(FD_CLOEXEC)
191 # define FD_CLOEXEC 1 /* NeXT needs this */
194 #undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */
195 #undef PERL_EFF_ACCESS_W_OK
196 #undef PERL_EFF_ACCESS_X_OK
198 /* F_OK unused: if stat() cannot find it... */
200 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
201 /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */
202 # define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK))
203 # define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK))
204 # define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK))
207 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS)
208 # if defined(I_SYS_SECURITY)
209 # include <sys/security.h>
211 /* XXX Configure test needed for eaccess */
214 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF))
215 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF))
216 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF))
219 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK))
220 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK))
221 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK))
225 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF)
227 # define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF))
228 # define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF))
229 # define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF))
232 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \
233 && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \
234 || defined(HAS_SETREGID) || defined(HAS_SETRESGID))
237 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
239 Uid_t ruid = getuid();
240 Uid_t euid = geteuid();
241 Gid_t rgid = getgid();
242 Gid_t egid = getegid();
245 MUTEX_LOCK(&PL_cred_mutex);
246 #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
247 Perl_croak(aTHX_ "switching effective uid is not implemented");
250 if (setreuid(euid, ruid))
253 if (setresuid(euid, ruid, (Uid_t)-1))
256 Perl_croak(aTHX_ "entering effective uid failed");
259 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
260 Perl_croak(aTHX_ "switching effective gid is not implemented");
263 if (setregid(egid, rgid))
266 if (setresgid(egid, rgid, (Gid_t)-1))
269 Perl_croak(aTHX_ "entering effective gid failed");
272 res = access(path, mode);
275 if (setreuid(ruid, euid))
278 if (setresuid(ruid, euid, (Uid_t)-1))
281 Perl_croak(aTHX_ "leaving effective uid failed");
284 if (setregid(rgid, egid))
287 if (setresgid(rgid, egid, (Gid_t)-1))
290 Perl_croak(aTHX_ "leaving effective gid failed");
291 MUTEX_UNLOCK(&PL_cred_mutex);
295 # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
296 # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
297 # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
300 #if !defined(PERL_EFF_ACCESS_R_OK)
302 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
304 Perl_croak(aTHX_ "switching effective uid is not implemented");
319 fp = PerlProc_popen(tmps, "r");
321 if (gimme == G_VOID) {
323 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
327 else if (gimme == G_SCALAR) {
328 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
329 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
340 if (sv_gets(sv, fp, 0) == Nullch) {
344 XPUSHs(sv_2mortal(sv));
345 if (SvLEN(sv) - SvCUR(sv) > 20) {
346 SvLEN_set(sv, SvCUR(sv)+1);
347 Renew(SvPVX(sv), SvLEN(sv), char);
352 STATUS_NATIVE_SET(PerlProc_pclose(fp));
353 TAINT; /* "I believe that this is not gratuitous!" */
356 STATUS_NATIVE_SET(-1);
357 if (gimme == G_SCALAR)
367 tryAMAGICunTARGET(iter, -1);
374 * The external globbing program may use things we can't control,
375 * so for security reasons we must assume the worst.
378 taint_proper(PL_no_security, "glob");
382 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
383 PL_last_in_gv = (GV*)*PL_stack_sp--;
385 SAVESPTR(PL_rs); /* This is not permanent, either. */
386 PL_rs = sv_2mortal(newSVpvn("\000", 1));
389 *SvPVX(PL_rs) = '\n';
393 result = do_readline();
398 #if 0 /* XXX never used! */
402 PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), n_a), TRUE,SVt_PVIO);
403 return do_readline();
409 PL_last_in_gv = cGVOP->op_gv;
410 return do_readline();
419 if (SP - MARK != 1) {
421 do_join(TARG, &PL_sv_no, MARK, SP);
428 tmps = SvPV(tmpsv, len);
431 (void)SvUPGRADE(error, SVt_PV);
432 if (SvPOK(error) && SvCUR(error))
433 sv_catpv(error, "\t...caught");
435 tmps = SvPV(tmpsv, len);
438 tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26));
440 Perl_warn(aTHX_ "%_", tmpsv);
451 if (SP - MARK != 1) {
453 do_join(TARG, &PL_sv_no, MARK, SP);
455 tmps = SvPV(tmpsv, len);
461 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, len);
465 (void)SvUPGRADE(error, SVt_PV);
466 if (multiarg ? SvROK(error) : SvROK(tmpsv)) {
468 SvSetSV(error,tmpsv);
469 else if (sv_isobject(error)) {
470 HV *stash = SvSTASH(SvRV(error));
471 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
473 SV *file = sv_2mortal(newSVsv(GvSV(PL_curcop->cop_filegv)));
474 SV *line = sv_2mortal(newSViv(PL_curcop->cop_line));
481 call_sv((SV*)GvCV(gv),
482 G_SCALAR|G_EVAL|G_KEEPERR);
483 sv_setsv(error,*PL_stack_sp--);
489 if (SvPOK(error) && SvCUR(error))
490 sv_catpv(error, "\t...propagated");
492 tmps = SvPV(tmpsv, len);
496 tmpsv = sv_2mortal(newSVpvn("Died", 4));
498 DIE(aTHX_ "%_", tmpsv);
521 DIE(aTHX_ PL_no_usym, "filehandle");
526 DIE(aTHX_ PL_no_usym, "filehandle");
528 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
530 #if 0 /* no undef means tmpfile() yet */
531 if (sv == &PL_sv_undef) {
533 PerlIO *fp = PerlIO_tmpfile();
535 PerlIO *fp = tmpfile();
537 if (fp != Nullfp && do_open(gv, "+>&", 3, FALSE, 0, 0, fp))
538 PUSHi( (I32)PL_forkprocess );
543 #endif /* no undef means tmpfile() yet */
546 if (mg = SvTIED_mg((SV*)gv, 'q')) {
548 XPUSHs(SvTIED_obj((SV*)gv, mg));
554 call_method("OPEN", G_SCALAR);
560 tmps = SvPV(sv, len);
561 if (do_open9(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, name, have_name))
562 PUSHi( (I32)PL_forkprocess );
563 else if (PL_forkprocess == 0) /* we are a new child */
581 if (mg = SvTIED_mg((SV*)gv, 'q')) {
583 XPUSHs(SvTIED_obj((SV*)gv, mg));
586 call_method("CLOSE", G_SCALAR);
592 PUSHs(boolSV(do_close(gv, TRUE)));
612 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
613 DIE(aTHX_ PL_no_usym, "filehandle");
618 do_close(rgv, FALSE);
620 do_close(wgv, FALSE);
622 if (PerlProc_pipe(fd) < 0)
625 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
626 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
627 IoIFP(wstio) = IoOFP(wstio);
631 if (!IoIFP(rstio) || !IoOFP(wstio)) {
632 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
633 else PerlLIO_close(fd[0]);
634 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
635 else PerlLIO_close(fd[1]);
638 #if defined(HAS_FCNTL) && defined(F_SETFD)
639 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
640 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
647 DIE(aTHX_ PL_no_func, "pipe");
663 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
665 XPUSHs(SvTIED_obj((SV*)gv, mg));
668 call_method("FILENO", G_SCALAR);
674 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
676 PUSHi(PerlIO_fileno(fp));
687 anum = PerlLIO_umask(0);
688 (void)PerlLIO_umask(anum);
691 anum = PerlLIO_umask(POPi);
692 TAINT_PROPER("umask");
695 /* Only DIE if trying to restrict permissions on `user' (self).
696 * Otherwise it's harmless and more useful to just return undef
697 * since 'group' and 'other' concepts probably don't exist here. */
698 if (MAXARG >= 1 && (POPi & 0700))
699 DIE(aTHX_ "umask not implemented");
700 XPUSHs(&PL_sv_undef);
718 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
720 XPUSHs(SvTIED_obj((SV*)gv, mg));
723 call_method("BINMODE", G_SCALAR);
730 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
733 if (do_binmode(fp,IoTYPE(io),TRUE))
748 I32 markoff = MARK - PL_stack_base;
755 switch(SvTYPE(varsv)) {
757 methname = "TIEHASH";
760 methname = "TIEARRAY";
763 methname = "TIEHANDLE";
767 methname = "TIESCALAR";
772 if (sv_isobject(*MARK)) {
774 PUSHSTACKi(PERLSI_MAGIC);
780 call_method(methname, G_SCALAR);
783 /* Not clear why we don't call call_method here too.
784 * perhaps to get different error message ?
786 stash = gv_stashsv(*MARK, FALSE);
787 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
788 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
789 methname, SvPV(*MARK,n_a));
792 PUSHSTACKi(PERLSI_MAGIC);
798 call_sv((SV*)GvCV(gv), G_SCALAR);
804 if (sv_isobject(sv)) {
805 sv_unmagic(varsv, how);
806 sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0);
809 SP = PL_stack_base + markoff;
818 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
820 if (ckWARN(WARN_UNTIE)) {
822 if (mg = SvTIED_mg(sv, how)) {
824 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
825 Perl_warner(aTHX_ WARN_UNTIE,
826 "untie attempted while %" PERL_PRIu64 " inner references still exist",
827 (UV)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
829 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
830 Perl_warner(aTHX_ WARN_UNTIE,
831 "untie attempted while %lu inner references still exist",
832 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
845 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
848 if (mg = SvTIED_mg(sv, how)) {
849 SV *osv = SvTIED_obj(sv, mg);
850 if (osv == mg->mg_obj)
851 osv = sv_mortalcopy(osv);
869 sv = sv_mortalcopy(&PL_sv_no);
870 sv_setpv(sv, "AnyDBM_File");
871 stash = gv_stashsv(sv, FALSE);
872 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
874 require_pv("AnyDBM_File.pm");
876 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
877 DIE(aTHX_ "No dbm on this machine");
887 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
889 PUSHs(sv_2mortal(newSViv(O_RDWR)));
892 call_sv((SV*)GvCV(gv), G_SCALAR);
895 if (!sv_isobject(TOPs)) {
900 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
903 call_sv((SV*)GvCV(gv), G_SCALAR);
907 if (sv_isobject(TOPs)) {
908 sv_unmagic((SV *) hv, 'P');
909 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
931 struct timeval timebuf;
932 struct timeval *tbuf = &timebuf;
936 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
941 # if BYTEORDER & 0xf0000
942 # define ORDERBYTE (0x88888888 - BYTEORDER)
944 # define ORDERBYTE (0x4444 - BYTEORDER)
950 for (i = 1; i <= 3; i++) {
958 /* little endians can use vecs directly */
959 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
960 # if SELECT_MIN_BITS > 1
961 /* If SELECT_MIN_BITS is greater than one we most probably will want
962 * to align the sizes with SELECT_MIN_BITS/8 because for example
963 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
964 * UNIX, Solaris, NeXT, Rhapsody) the smallest quantum select() operates
965 * on (sets/tests/clears bits) is 32 bits. */
966 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
968 growsize = sizeof(fd_set);
977 masksize = NFDBITS / NBBY;
979 masksize = sizeof(long); /* documented int, everyone seems to use long */
981 growsize = maxlen + (masksize - (maxlen % masksize));
982 Zero(&fd_sets[0], 4, char*);
990 timebuf.tv_sec = (long)value;
991 value -= (NV)timebuf.tv_sec;
992 timebuf.tv_usec = (long)(value * 1000000.0);
995 tbuf = Null(struct timeval*);
997 for (i = 1; i <= 3; i++) {
1003 else if (!SvPOK(sv))
1004 SvPV_force(sv,n_a); /* force string conversion */
1007 Sv_Grow(sv, growsize);
1011 while (++j <= growsize) {
1015 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1017 New(403, fd_sets[i], growsize, char);
1018 for (offset = 0; offset < growsize; offset += masksize) {
1019 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1020 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1023 fd_sets[i] = SvPVX(sv);
1027 nfound = PerlSock_select(
1029 (Select_fd_set_t) fd_sets[1],
1030 (Select_fd_set_t) fd_sets[2],
1031 (Select_fd_set_t) fd_sets[3],
1033 for (i = 1; i <= 3; i++) {
1036 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1038 for (offset = 0; offset < growsize; offset += masksize) {
1039 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1040 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1042 Safefree(fd_sets[i]);
1049 if (GIMME == G_ARRAY && tbuf) {
1050 value = (NV)(timebuf.tv_sec) +
1051 (NV)(timebuf.tv_usec) / 1000000.0;
1052 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1053 sv_setnv(sv, value);
1057 DIE(aTHX_ "select not implemented");
1062 Perl_setdefout(pTHX_ GV *gv)
1066 (void)SvREFCNT_inc(gv);
1068 SvREFCNT_dec(PL_defoutgv);
1075 GV *newdefout, *egv;
1078 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1080 egv = GvEGV(PL_defoutgv);
1085 XPUSHs(&PL_sv_undef);
1087 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1088 if (gvp && *gvp == egv) {
1089 gv_efullname3(TARG, PL_defoutgv, Nullch);
1093 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1098 if (!GvIO(newdefout))
1099 gv_IOadd(newdefout);
1100 setdefout(newdefout);
1119 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1120 I32 gimme = GIMME_V;
1122 XPUSHs(SvTIED_obj((SV*)gv, mg));
1125 call_method("GETC", gimme);
1128 if (gimme == G_SCALAR)
1129 SvSetMagicSV_nosteal(TARG, TOPs);
1132 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1135 sv_setpv(TARG, " ");
1136 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1143 return pp_sysread();
1147 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1150 register PERL_CONTEXT *cx;
1151 I32 gimme = GIMME_V;
1152 AV* padlist = CvPADLIST(cv);
1153 SV** svp = AvARRAY(padlist);
1159 PUSHBLOCK(cx, CXt_SUB, PL_stack_sp);
1161 SAVESPTR(PL_curpad);
1162 PL_curpad = AvARRAY((AV*)svp[1]);
1164 setdefout(gv); /* locally select filehandle so $% et al work */
1196 SV *tmpsv = sv_newmortal();
1197 gv_efullname3(tmpsv, fgv, Nullch);
1198 DIE(aTHX_ "Undefined format \"%s\" called",SvPVX(tmpsv));
1200 DIE(aTHX_ "Not a format reference");
1203 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1205 IoFLAGS(io) &= ~IOf_DIDTOP;
1206 return doform(cv,gv,PL_op->op_next);
1212 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1213 register IO *io = GvIOp(gv);
1214 PerlIO *ofp = IoOFP(io);
1218 register PERL_CONTEXT *cx;
1220 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1221 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1222 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1223 PL_formtarget != PL_toptarget)
1227 if (!IoTOP_GV(io)) {
1231 if (!IoTOP_NAME(io)) {
1232 if (!IoFMT_NAME(io))
1233 IoFMT_NAME(io) = savepv(GvNAME(gv));
1234 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1235 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1236 if ((topgv && GvFORM(topgv)) ||
1237 !gv_fetchpv("top",FALSE,SVt_PVFM))
1238 IoTOP_NAME(io) = savepv(SvPVX(topname));
1240 IoTOP_NAME(io) = savepv("top");
1242 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1243 if (!topgv || !GvFORM(topgv)) {
1244 IoLINES_LEFT(io) = 100000000;
1247 IoTOP_GV(io) = topgv;
1249 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1250 I32 lines = IoLINES_LEFT(io);
1251 char *s = SvPVX(PL_formtarget);
1252 if (lines <= 0) /* Yow, header didn't even fit!!! */
1254 while (lines-- > 0) {
1255 s = strchr(s, '\n');
1261 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1262 sv_chop(PL_formtarget, s);
1263 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1266 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1267 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1268 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1270 PL_formtarget = PL_toptarget;
1271 IoFLAGS(io) |= IOf_DIDTOP;
1274 DIE(aTHX_ "bad top format reference");
1277 SV *tmpsv = sv_newmortal();
1278 gv_efullname3(tmpsv, fgv, Nullch);
1279 DIE(aTHX_ "Undefined top format \"%s\" called",SvPVX(tmpsv));
1282 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1283 return doform(cv,gv,PL_op);
1287 POPBLOCK(cx,PL_curpm);
1293 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1294 SV* sv = sv_newmortal();
1295 gv_efullname3(sv, gv, Nullch);
1297 Perl_warner(aTHX_ WARN_IO,
1298 "Filehandle %s opened only for input",
1300 else if (ckWARN(WARN_CLOSED))
1301 Perl_warner(aTHX_ WARN_CLOSED,
1302 "Write on closed filehandle %s", SvPV_nolen(sv));
1307 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1308 if (ckWARN(WARN_IO))
1309 Perl_warner(aTHX_ WARN_IO, "page overflow");
1311 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1315 FmLINES(PL_formtarget) = 0;
1316 SvCUR_set(PL_formtarget, 0);
1317 *SvEND(PL_formtarget) = '\0';
1318 if (IoFLAGS(io) & IOf_FLUSH)
1319 (void)PerlIO_flush(fp);
1323 PL_formtarget = PL_bodytarget;
1325 return pop_return();
1330 djSP; dMARK; dORIGMARK;
1338 if (PL_op->op_flags & OPf_STACKED)
1343 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1344 if (MARK == ORIGMARK) {
1347 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1351 *MARK = SvTIED_obj((SV*)gv, mg);
1354 call_method("PRINTF", G_SCALAR);
1357 MARK = ORIGMARK + 1;
1364 if (!(io = GvIO(gv))) {
1365 if (ckWARN(WARN_UNOPENED)) {
1366 gv_efullname3(sv, gv, Nullch);
1367 Perl_warner(aTHX_ WARN_UNOPENED,
1368 "Filehandle %s never opened", SvPV(sv,n_a));
1370 SETERRNO(EBADF,RMS$_IFI);
1373 else if (!(fp = IoOFP(io))) {
1374 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1375 gv_efullname3(sv, gv, Nullch);
1377 Perl_warner(aTHX_ WARN_IO,
1378 "Filehandle %s opened only for input",
1380 else if (ckWARN(WARN_CLOSED))
1381 Perl_warner(aTHX_ WARN_CLOSED,
1382 "printf on closed filehandle %s", SvPV(sv,n_a));
1384 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1388 do_sprintf(sv, SP - MARK, MARK + 1);
1389 if (!do_print(sv, fp))
1392 if (IoFLAGS(io) & IOf_FLUSH)
1393 if (PerlIO_flush(fp) == EOF)
1404 PUSHs(&PL_sv_undef);
1425 /* Need TIEHANDLE method ? */
1427 tmps = SvPV(sv, len);
1428 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1429 IoLINES(GvIOp(gv)) = 0;
1433 PUSHs(&PL_sv_undef);
1440 djSP; dMARK; dORIGMARK; dTARGET;
1446 Sock_size_t bufsize;
1452 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1453 (mg = SvTIED_mg((SV*)gv, 'q')))
1458 *MARK = SvTIED_obj((SV*)gv, mg);
1460 call_method("READ", G_SCALAR);
1473 sv_setpvn(bufsv, "", 0);
1474 buffer = SvPV_force(bufsv, blen);
1475 length = SvIVx(*++MARK);
1477 DIE(aTHX_ "Negative length");
1480 offset = SvIVx(*++MARK);
1484 if (!io || !IoIFP(io))
1487 if (PL_op->op_type == OP_RECV) {
1488 char namebuf[MAXPATHLEN];
1489 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1490 bufsize = sizeof (struct sockaddr_in);
1492 bufsize = sizeof namebuf;
1494 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1498 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1502 buffer = SvGROW(bufsv, length+1);
1503 /* 'offset' means 'flags' here */
1504 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1505 (struct sockaddr *)namebuf, &bufsize);
1508 SvCUR_set(bufsv, length);
1509 *SvEND(bufsv) = '\0';
1510 (void)SvPOK_only(bufsv);
1512 /* This should not be marked tainted if the fp is marked clean */
1513 if (!(IoFLAGS(io) & IOf_UNTAINT))
1514 SvTAINTED_on(bufsv);
1516 sv_setpvn(TARG, namebuf, bufsize);
1521 if (PL_op->op_type == OP_RECV)
1522 DIE(aTHX_ PL_no_sock_func, "recv");
1526 DIE(aTHX_ "Offset outside string");
1529 bufsize = SvCUR(bufsv);
1530 buffer = SvGROW(bufsv, length+offset+1);
1531 if (offset > bufsize) { /* Zero any newly allocated space */
1532 Zero(buffer+bufsize, offset-bufsize, char);
1534 if (PL_op->op_type == OP_SYSREAD) {
1535 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1536 if (IoTYPE(io) == 's') {
1537 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1538 buffer+offset, length, 0);
1543 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1544 buffer+offset, length);
1548 #ifdef HAS_SOCKET__bad_code_maybe
1549 if (IoTYPE(io) == 's') {
1550 char namebuf[MAXPATHLEN];
1551 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1552 bufsize = sizeof (struct sockaddr_in);
1554 bufsize = sizeof namebuf;
1556 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1557 (struct sockaddr *)namebuf, &bufsize);
1562 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1563 /* fread() returns 0 on both error and EOF */
1564 if (length == 0 && PerlIO_error(IoIFP(io)))
1568 if ((IoTYPE(io) == '>' || IoIFP(io) == PerlIO_stdout()
1569 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1571 SV* sv = sv_newmortal();
1572 gv_efullname3(sv, gv, Nullch);
1573 Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for output",
1578 SvCUR_set(bufsv, length+offset);
1579 *SvEND(bufsv) = '\0';
1580 (void)SvPOK_only(bufsv);
1582 /* This should not be marked tainted if the fp is marked clean */
1583 if (!(IoFLAGS(io) & IOf_UNTAINT))
1584 SvTAINTED_on(bufsv);
1597 int items = (SP - PL_stack_base) - TOPMARK;
1601 sv = sv_2mortal(newSViv(sv_len(*SP)));
1610 djSP; dMARK; dORIGMARK; dTARGET;
1621 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1625 *MARK = SvTIED_obj((SV*)gv, mg);
1627 call_method("WRITE", G_SCALAR);
1638 buffer = SvPV(bufsv, blen);
1639 length = SvIVx(*++MARK);
1641 DIE(aTHX_ "Negative length");
1644 if (!io || !IoIFP(io)) {
1646 if (ckWARN(WARN_CLOSED)) {
1647 if (PL_op->op_type == OP_SYSWRITE)
1648 Perl_warner(aTHX_ WARN_CLOSED, "Syswrite on closed filehandle");
1650 Perl_warner(aTHX_ WARN_CLOSED, "Send on closed socket");
1653 else if (PL_op->op_type == OP_SYSWRITE) {
1655 offset = SvIVx(*++MARK);
1658 DIE(aTHX_ "Offset outside string");
1660 } else if (offset >= blen && blen > 0)
1661 DIE(aTHX_ "Offset outside string");
1664 if (length > blen - offset)
1665 length = blen - offset;
1666 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1667 if (IoTYPE(io) == 's') {
1668 length = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1669 buffer+offset, length, 0);
1674 /* See the note at doio.c:do_print about filesize limits. --jhi */
1675 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1676 buffer+offset, length);
1680 else if (SP > MARK) {
1683 sockbuf = SvPVx(*++MARK, mlen);
1684 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1685 (struct sockaddr *)sockbuf, mlen);
1688 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1692 DIE(aTHX_ PL_no_sock_func, "send");
1707 return pp_sysread();
1719 gv = PL_last_in_gv = (GV*)POPs;
1721 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1723 XPUSHs(SvTIED_obj((SV*)gv, mg));
1726 call_method("EOF", G_SCALAR);
1732 PUSHs(boolSV(!gv || do_eof(gv)));
1745 gv = PL_last_in_gv = (GV*)POPs;
1747 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1749 XPUSHs(SvTIED_obj((SV*)gv, mg));
1752 call_method("TELL", G_SCALAR);
1758 PUSHi( do_tell(gv) );
1764 return pp_sysseek();
1772 Off_t offset = (Off_t)SvIVx(POPs);
1775 gv = PL_last_in_gv = (GV*)POPs;
1777 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1779 XPUSHs(SvTIED_obj((SV*)gv, mg));
1780 XPUSHs(sv_2mortal(newSViv((IV) offset)));
1781 XPUSHs(sv_2mortal(newSViv((IV) whence)));
1784 call_method("SEEK", G_SCALAR);
1790 if (PL_op->op_type == OP_SEEK)
1791 PUSHs(boolSV(do_seek(gv, offset, whence)));
1793 Off_t n = do_sysseek(gv, offset, whence);
1794 PUSHs((n < 0) ? &PL_sv_undef
1795 : sv_2mortal(n ? newSViv((IV)n)
1796 : newSVpvn(zero_but_true, ZBTLEN)));
1804 Off_t len = (Off_t)POPn;
1810 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1811 if (PL_op->op_flags & OPf_SPECIAL) {
1812 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1814 TAINT_PROPER("truncate");
1815 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1817 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1819 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1828 if (SvTYPE(sv) == SVt_PVGV) {
1829 tmpgv = (GV*)sv; /* *main::FRED for example */
1832 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1833 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1837 name = SvPV(sv, n_a);
1838 TAINT_PROPER("truncate");
1840 if (truncate(name, len) < 0)
1845 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1848 if (my_chsize(tmpfd, len) < 0)
1850 PerlLIO_close(tmpfd);
1859 SETERRNO(EBADF,RMS$_IFI);
1862 DIE(aTHX_ "truncate not implemented");
1875 unsigned int func = U_I(POPn);
1876 int optype = PL_op->op_type;
1882 if (!io || !argsv || !IoIFP(io)) {
1883 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1887 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1890 s = SvPV_force(argsv, len);
1891 need = IOCPARM_LEN(func);
1893 s = Sv_Grow(argsv, need + 1);
1894 SvCUR_set(argsv, need);
1897 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1900 retval = SvIV(argsv);
1901 s = (char*)PTR_CAST retval; /* ouch */
1904 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1906 if (optype == OP_IOCTL)
1908 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1910 DIE(aTHX_ "ioctl is not implemented");
1914 #if defined(OS2) && defined(__EMX__)
1915 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1917 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1920 DIE(aTHX_ "fcntl is not implemented");
1924 if (s[SvCUR(argsv)] != 17)
1925 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
1926 PL_op_name[optype]);
1927 s[SvCUR(argsv)] = 0; /* put our null back */
1928 SvSETMAGIC(argsv); /* Assume it has changed */
1937 PUSHp(zero_but_true, ZBTLEN);
1957 fp = IoIFP(GvIOp(gv));
1961 (void)PerlIO_flush(fp);
1962 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1969 DIE(aTHX_ PL_no_func, "flock()");
1981 int protocol = POPi;
1989 SETERRNO(EBADF,LIB$_INVARG);
1995 do_close(gv, FALSE);
1997 TAINT_PROPER("socket");
1998 fd = PerlSock_socket(domain, type, protocol);
2001 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2002 IoOFP(io) = PerlIO_fdopen(fd, "w");
2004 if (!IoIFP(io) || !IoOFP(io)) {
2005 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2006 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2007 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2013 DIE(aTHX_ PL_no_sock_func, "socket");
2020 #ifdef HAS_SOCKETPAIR
2025 int protocol = POPi;
2038 do_close(gv1, FALSE);
2040 do_close(gv2, FALSE);
2042 TAINT_PROPER("socketpair");
2043 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2045 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2046 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2048 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2049 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2051 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2052 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2053 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2054 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2055 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2056 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2057 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2063 DIE(aTHX_ PL_no_sock_func, "socketpair");
2071 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2072 extern GETPRIVMODE();
2073 extern GETUSERMODE();
2078 register IO *io = GvIOn(gv);
2082 int mpeprivmode = 0;
2085 if (!io || !IoIFP(io))
2088 addr = SvPV(addrsv, len);
2089 TAINT_PROPER("bind");
2090 #ifdef MPE /* Deal with MPE bind() peculiarities */
2091 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2092 /* The address *MUST* stupidly be zero. */
2093 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2094 /* PRIV mode is required to bind() to ports < 1024. */
2095 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2096 ((struct sockaddr_in *)addr)->sin_port > 0) {
2097 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2102 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2103 (struct sockaddr *)addr, len) >= 0)
2106 #ifdef MPE /* Switch back to USER mode */
2117 if (ckWARN(WARN_CLOSED))
2118 Perl_warner(aTHX_ WARN_CLOSED, "bind() on closed fd");
2119 SETERRNO(EBADF,SS$_IVCHAN);
2122 DIE(aTHX_ PL_no_sock_func, "bind");
2133 register IO *io = GvIOn(gv);
2136 if (!io || !IoIFP(io))
2139 addr = SvPV(addrsv, len);
2140 TAINT_PROPER("connect");
2141 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2147 if (ckWARN(WARN_CLOSED))
2148 Perl_warner(aTHX_ WARN_CLOSED, "connect() on closed fd");
2149 SETERRNO(EBADF,SS$_IVCHAN);
2152 DIE(aTHX_ PL_no_sock_func, "connect");
2162 register IO *io = GvIOn(gv);
2164 if (!io || !IoIFP(io))
2167 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2173 if (ckWARN(WARN_CLOSED))
2174 Perl_warner(aTHX_ WARN_CLOSED, "listen() on closed fd");
2175 SETERRNO(EBADF,SS$_IVCHAN);
2178 DIE(aTHX_ PL_no_sock_func, "listen");
2190 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2191 Sock_size_t len = sizeof saddr;
2203 if (!gstio || !IoIFP(gstio))
2208 do_close(ngv, FALSE);
2210 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2213 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2214 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2215 IoTYPE(nstio) = 's';
2216 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2217 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2218 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2219 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2223 PUSHp((char *)&saddr, len);
2227 if (ckWARN(WARN_CLOSED))
2228 Perl_warner(aTHX_ WARN_CLOSED, "accept() on closed fd");
2229 SETERRNO(EBADF,SS$_IVCHAN);
2235 DIE(aTHX_ PL_no_sock_func, "accept");
2245 register IO *io = GvIOn(gv);
2247 if (!io || !IoIFP(io))
2250 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2254 if (ckWARN(WARN_CLOSED))
2255 Perl_warner(aTHX_ WARN_CLOSED, "shutdown() on closed fd");
2256 SETERRNO(EBADF,SS$_IVCHAN);
2259 DIE(aTHX_ PL_no_sock_func, "shutdown");
2266 return pp_ssockopt();
2268 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2276 int optype = PL_op->op_type;
2279 unsigned int optname;
2285 if (optype == OP_GSOCKOPT)
2286 sv = sv_2mortal(NEWSV(22, 257));
2289 optname = (unsigned int) POPi;
2290 lvl = (unsigned int) POPi;
2294 if (!io || !IoIFP(io))
2297 fd = PerlIO_fileno(IoIFP(io));
2301 (void)SvPOK_only(sv);
2305 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2320 aint = (int)SvIV(sv);
2324 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2333 if (ckWARN(WARN_CLOSED))
2334 Perl_warner(aTHX_ WARN_CLOSED, "[gs]etsockopt() on closed fd");
2335 SETERRNO(EBADF,SS$_IVCHAN);
2340 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2347 return pp_getpeername();
2349 DIE(aTHX_ PL_no_sock_func, "getsockname");
2357 int optype = PL_op->op_type;
2361 register IO *io = GvIOn(gv);
2364 if (!io || !IoIFP(io))
2367 sv = sv_2mortal(NEWSV(22, 257));
2368 (void)SvPOK_only(sv);
2372 fd = PerlIO_fileno(IoIFP(io));
2374 case OP_GETSOCKNAME:
2375 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2378 case OP_GETPEERNAME:
2379 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2381 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2383 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2384 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2385 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2386 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2387 sizeof(u_short) + sizeof(struct in_addr))) {
2394 #ifdef BOGUS_GETNAME_RETURN
2395 /* Interactive Unix, getpeername() and getsockname()
2396 does not return valid namelen */
2397 if (len == BOGUS_GETNAME_RETURN)
2398 len = sizeof(struct sockaddr);
2406 if (ckWARN(WARN_CLOSED))
2407 Perl_warner(aTHX_ WARN_CLOSED, "get{sock, peer}name() on closed fd");
2408 SETERRNO(EBADF,SS$_IVCHAN);
2413 DIE(aTHX_ PL_no_sock_func, "getpeername");
2432 if (PL_op->op_flags & OPf_REF) {
2433 tmpgv = cGVOP->op_gv;
2435 if (tmpgv != PL_defgv) {
2436 PL_laststype = OP_STAT;
2438 sv_setpv(PL_statname, "");
2439 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2440 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2442 if (PL_laststatval < 0)
2447 if (SvTYPE(sv) == SVt_PVGV) {
2451 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2452 tmpgv = (GV*)SvRV(sv);
2455 sv_setpv(PL_statname, SvPV(sv,n_a));
2458 PL_laststype = PL_op->op_type;
2459 if (PL_op->op_type == OP_LSTAT)
2460 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2463 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2464 if (PL_laststatval < 0) {
2465 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2466 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2472 if (gimme != G_ARRAY) {
2473 if (gimme != G_VOID)
2474 XPUSHs(boolSV(max));
2480 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2481 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2482 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mode)));
2483 PUSHs(sv_2mortal(newSViv(PL_statcache.st_nlink)));
2484 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2485 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2486 #ifdef USE_STAT_RDEV
2487 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2489 PUSHs(sv_2mortal(newSVpvn("", 0)));
2491 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2493 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2494 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2495 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2497 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2498 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2499 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2501 #ifdef USE_STAT_BLOCKS
2502 PUSHs(sv_2mortal(newSViv(PL_statcache.st_blksize)));
2503 PUSHs(sv_2mortal(newSViv(PL_statcache.st_blocks)));
2505 PUSHs(sv_2mortal(newSVpvn("", 0)));
2506 PUSHs(sv_2mortal(newSVpvn("", 0)));
2516 #if defined(HAS_ACCESS) && defined(R_OK)
2518 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2519 result = access(TOPpx, R_OK);
2534 if (cando(S_IRUSR, 0, &PL_statcache))
2543 #if defined(HAS_ACCESS) && defined(W_OK)
2545 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2546 result = access(TOPpx, W_OK);
2561 if (cando(S_IWUSR, 0, &PL_statcache))
2570 #if defined(HAS_ACCESS) && defined(X_OK)
2572 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2573 result = access(TOPpx, X_OK);
2588 if (cando(S_IXUSR, 0, &PL_statcache))
2597 #ifdef PERL_EFF_ACCESS_R_OK
2599 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2600 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2615 if (cando(S_IRUSR, 1, &PL_statcache))
2624 #ifdef PERL_EFF_ACCESS_W_OK
2626 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2627 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2642 if (cando(S_IWUSR, 1, &PL_statcache))
2651 #ifdef PERL_EFF_ACCESS_X_OK
2653 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2654 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2669 if (cando(S_IXUSR, 1, &PL_statcache))
2676 I32 result = my_stat();
2685 return pp_ftrowned();
2690 I32 result = my_stat();
2694 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? PL_euid : PL_uid) )
2701 I32 result = my_stat();
2705 if (!PL_statcache.st_size)
2712 I32 result = my_stat();
2716 PUSHi(PL_statcache.st_size);
2722 I32 result = my_stat();
2726 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2732 I32 result = my_stat();
2736 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2742 I32 result = my_stat();
2746 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
2752 I32 result = my_stat();
2756 if (S_ISSOCK(PL_statcache.st_mode))
2763 I32 result = my_stat();
2767 if (S_ISCHR(PL_statcache.st_mode))
2774 I32 result = my_stat();
2778 if (S_ISBLK(PL_statcache.st_mode))
2785 I32 result = my_stat();
2789 if (S_ISREG(PL_statcache.st_mode))
2796 I32 result = my_stat();
2800 if (S_ISDIR(PL_statcache.st_mode))
2807 I32 result = my_stat();
2811 if (S_ISFIFO(PL_statcache.st_mode))
2818 I32 result = my_lstat();
2822 if (S_ISLNK(PL_statcache.st_mode))
2831 I32 result = my_stat();
2835 if (PL_statcache.st_mode & S_ISUID)
2845 I32 result = my_stat();
2849 if (PL_statcache.st_mode & S_ISGID)
2859 I32 result = my_stat();
2863 if (PL_statcache.st_mode & S_ISVTX)
2874 char *tmps = Nullch;
2877 if (PL_op->op_flags & OPf_REF)
2879 else if (isGV(TOPs))
2881 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2882 gv = (GV*)SvRV(POPs);
2884 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2886 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2887 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2888 else if (tmps && isDIGIT(*tmps))
2892 if (PerlLIO_isatty(fd))
2897 #if defined(atarist) /* this will work with atariST. Configure will
2898 make guesses for other systems. */
2899 # define FILE_base(f) ((f)->_base)
2900 # define FILE_ptr(f) ((f)->_ptr)
2901 # define FILE_cnt(f) ((f)->_cnt)
2902 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2912 register STDCHAR *s;
2918 if (PL_op->op_flags & OPf_REF)
2920 else if (isGV(TOPs))
2922 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2923 gv = (GV*)SvRV(POPs);
2929 if (gv == PL_defgv) {
2931 io = GvIO(PL_statgv);
2934 goto really_filename;
2939 PL_laststatval = -1;
2940 sv_setpv(PL_statname, "");
2941 io = GvIO(PL_statgv);
2943 if (io && IoIFP(io)) {
2944 if (! PerlIO_has_base(IoIFP(io)))
2945 DIE(aTHX_ "-T and -B not implemented on filehandles");
2946 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
2947 if (PL_laststatval < 0)
2949 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
2950 if (PL_op->op_type == OP_FTTEXT)
2954 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2955 i = PerlIO_getc(IoIFP(io));
2957 (void)PerlIO_ungetc(IoIFP(io),i);
2959 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2961 len = PerlIO_get_bufsiz(IoIFP(io));
2962 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2963 /* sfio can have large buffers - limit to 512 */
2968 if (ckWARN(WARN_UNOPENED))
2969 Perl_warner(aTHX_ WARN_UNOPENED, "Test on unopened file <%s>",
2970 GvENAME(cGVOP->op_gv));
2971 SETERRNO(EBADF,RMS$_IFI);
2979 PL_laststatval = -1;
2980 sv_setpv(PL_statname, SvPV(sv, n_a));
2982 i = PerlLIO_open3(SvPV(sv, n_a), O_RDONLY, 0);
2984 i = PerlLIO_open(SvPV(sv, n_a), 0);
2987 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
2988 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
2991 PL_laststatval = PerlLIO_fstat(i, &PL_statcache);
2992 if (PL_laststatval < 0)
2994 len = PerlLIO_read(i, tbuf, 512);
2995 (void)PerlLIO_close(i);
2997 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
2998 RETPUSHNO; /* special case NFS directories */
2999 RETPUSHYES; /* null file is anything */
3004 /* now scan s to look for textiness */
3005 /* XXX ASCII dependent code */
3007 for (i = 0; i < len; i++, s++) {
3008 if (!*s) { /* null never allowed in text */
3013 else if (!(isPRINT(*s) || isSPACE(*s)))
3019 *s != '\n' && *s != '\r' && *s != '\b' &&
3020 *s != '\t' && *s != '\f' && *s != 27)
3025 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3049 if (!tmps || !*tmps) {
3050 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3052 tmps = SvPV(*svp, n_a);
3054 if (!tmps || !*tmps) {
3055 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3057 tmps = SvPV(*svp, n_a);
3060 if (!tmps || !*tmps) {
3061 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3063 tmps = SvPV(*svp, n_a);
3066 TAINT_PROPER("chdir");
3067 PUSHi( PerlDir_chdir(tmps) >= 0 );
3069 /* Clear the DEFAULT element of ENV so we'll get the new value
3071 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3078 djSP; dMARK; dTARGET;
3081 value = (I32)apply(PL_op->op_type, MARK, SP);
3086 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3097 TAINT_PROPER("chroot");
3098 PUSHi( chroot(tmps) >= 0 );
3101 DIE(aTHX_ PL_no_func, "chroot");
3107 djSP; dMARK; dTARGET;
3109 value = (I32)apply(PL_op->op_type, MARK, SP);
3117 djSP; dMARK; dTARGET;
3119 value = (I32)apply(PL_op->op_type, MARK, SP);
3127 djSP; dMARK; dTARGET;
3129 value = (I32)apply(PL_op->op_type, MARK, SP);
3141 char *tmps2 = POPpx;
3142 char *tmps = SvPV(TOPs, n_a);
3143 TAINT_PROPER("rename");
3145 anum = PerlLIO_rename(tmps, tmps2);
3147 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3148 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3151 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3152 (void)UNLINK(tmps2);
3153 if (!(anum = link(tmps, tmps2)))
3154 anum = UNLINK(tmps);
3167 char *tmps2 = POPpx;
3168 char *tmps = SvPV(TOPs, n_a);
3169 TAINT_PROPER("link");
3170 SETi( link(tmps, tmps2) >= 0 );
3172 DIE(aTHX_ PL_no_func, "Unsupported function link");
3182 char *tmps2 = POPpx;
3183 char *tmps = SvPV(TOPs, n_a);
3184 TAINT_PROPER("symlink");
3185 SETi( symlink(tmps, tmps2) >= 0 );
3188 DIE(aTHX_ PL_no_func, "symlink");
3197 char buf[MAXPATHLEN];
3201 #ifndef INCOMPLETE_TAINTS
3205 len = readlink(tmps, buf, sizeof buf);
3213 RETSETUNDEF; /* just pretend it's a normal file */
3217 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3219 S_dooneliner(pTHX_ char *cmd, char *filename)
3221 char *save_filename = filename;
3227 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3228 strcpy(cmdline, cmd);
3229 strcat(cmdline, " ");
3230 for (s = cmdline + strlen(cmdline); *filename; ) {
3235 myfp = PerlProc_popen(cmdline, "r");
3239 SV *tmpsv = sv_newmortal();
3240 /* Need to save/restore 'PL_rs' ?? */
3241 s = sv_gets(tmpsv, myfp, 0);
3242 (void)PerlProc_pclose(myfp);
3246 #ifdef HAS_SYS_ERRLIST
3251 /* you don't see this */
3253 #ifdef HAS_SYS_ERRLIST
3261 if (instr(s, errmsg)) {
3268 #define EACCES EPERM
3270 if (instr(s, "cannot make"))
3271 SETERRNO(EEXIST,RMS$_FEX);
3272 else if (instr(s, "existing file"))
3273 SETERRNO(EEXIST,RMS$_FEX);
3274 else if (instr(s, "ile exists"))
3275 SETERRNO(EEXIST,RMS$_FEX);
3276 else if (instr(s, "non-exist"))
3277 SETERRNO(ENOENT,RMS$_FNF);
3278 else if (instr(s, "does not exist"))
3279 SETERRNO(ENOENT,RMS$_FNF);
3280 else if (instr(s, "not empty"))
3281 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3282 else if (instr(s, "cannot access"))
3283 SETERRNO(EACCES,RMS$_PRV);
3285 SETERRNO(EPERM,RMS$_PRV);
3288 else { /* some mkdirs return no failure indication */
3289 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3290 if (PL_op->op_type == OP_RMDIR)
3295 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3312 char *tmps = SvPV(TOPs, n_a);
3314 TAINT_PROPER("mkdir");
3316 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3318 SETi( dooneliner("mkdir", tmps) );
3319 oldumask = PerlLIO_umask(0);
3320 PerlLIO_umask(oldumask);
3321 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3333 TAINT_PROPER("rmdir");
3335 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3337 XPUSHi( dooneliner("rmdir", tmps) );
3342 /* Directory calls. */
3347 #if defined(Direntry_t) && defined(HAS_READDIR)
3349 char *dirname = POPpx;
3351 register IO *io = GvIOn(gv);
3357 PerlDir_close(IoDIRP(io));
3358 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3364 SETERRNO(EBADF,RMS$_DIR);
3367 DIE(aTHX_ PL_no_dir_func, "opendir");
3374 #if defined(Direntry_t) && defined(HAS_READDIR)
3376 Direntry_t *readdir (DIR *);
3378 register Direntry_t *dp;
3380 register IO *io = GvIOn(gv);
3383 if (!io || !IoDIRP(io))
3386 if (GIMME == G_ARRAY) {
3388 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3390 sv = newSVpvn(dp->d_name, dp->d_namlen);
3392 sv = newSVpv(dp->d_name, 0);
3394 #ifndef INCOMPLETE_TAINTS
3397 XPUSHs(sv_2mortal(sv));
3401 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3404 sv = newSVpvn(dp->d_name, dp->d_namlen);
3406 sv = newSVpv(dp->d_name, 0);
3408 #ifndef INCOMPLETE_TAINTS
3411 XPUSHs(sv_2mortal(sv));
3417 SETERRNO(EBADF,RMS$_ISI);
3418 if (GIMME == G_ARRAY)
3423 DIE(aTHX_ PL_no_dir_func, "readdir");
3430 #if defined(HAS_TELLDIR) || defined(telldir)
3431 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3432 /* XXX netbsd still seemed to.
3433 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3434 --JHI 1999-Feb-02 */
3435 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3436 long telldir (DIR *);
3439 register IO *io = GvIOn(gv);
3441 if (!io || !IoDIRP(io))
3444 PUSHi( PerlDir_tell(IoDIRP(io)) );
3448 SETERRNO(EBADF,RMS$_ISI);
3451 DIE(aTHX_ PL_no_dir_func, "telldir");
3458 #if defined(HAS_SEEKDIR) || defined(seekdir)
3461 register IO *io = GvIOn(gv);
3463 if (!io || !IoDIRP(io))
3466 (void)PerlDir_seek(IoDIRP(io), along);
3471 SETERRNO(EBADF,RMS$_ISI);
3474 DIE(aTHX_ PL_no_dir_func, "seekdir");
3481 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3483 register IO *io = GvIOn(gv);
3485 if (!io || !IoDIRP(io))
3488 (void)PerlDir_rewind(IoDIRP(io));
3492 SETERRNO(EBADF,RMS$_ISI);
3495 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3502 #if defined(Direntry_t) && defined(HAS_READDIR)
3504 register IO *io = GvIOn(gv);
3506 if (!io || !IoDIRP(io))
3509 #ifdef VOID_CLOSEDIR
3510 PerlDir_close(IoDIRP(io));
3512 if (PerlDir_close(IoDIRP(io)) < 0) {
3513 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3522 SETERRNO(EBADF,RMS$_IFI);
3525 DIE(aTHX_ PL_no_dir_func, "closedir");
3529 /* Process control. */
3539 PERL_FLUSHALL_FOR_CHILD;
3545 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3546 sv_setiv(GvSV(tmpgv), (IV)getpid());
3547 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3552 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3558 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3563 childpid = wait4pid(-1, &argflags, 0);
3564 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3568 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3574 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3582 childpid = wait4pid(childpid, &argflags, optype);
3583 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3587 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3593 djSP; dMARK; dORIGMARK; dTARGET;
3598 Sigsave_t ihand,qhand; /* place to save signals during system() */
3603 if (SP - MARK == 1) {
3605 char *junk = SvPV(TOPs, n_a);
3607 TAINT_PROPER("system");
3610 PERL_FLUSHALL_FOR_CHILD;
3611 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3612 if (PerlProc_pipe(pp) >= 0)
3614 while ((childpid = vfork()) == -1) {
3615 if (errno != EAGAIN) {
3620 PerlLIO_close(pp[0]);
3621 PerlLIO_close(pp[1]);
3629 PerlLIO_close(pp[1]);
3630 rsignal_save(SIGINT, SIG_IGN, &ihand);
3631 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3633 result = wait4pid(childpid, &status, 0);
3634 } while (result == -1 && errno == EINTR);
3635 (void)rsignal_restore(SIGINT, &ihand);
3636 (void)rsignal_restore(SIGQUIT, &qhand);
3637 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3638 do_execfree(); /* free any memory child malloced on vfork */
3644 while (n < sizeof(int)) {
3645 n1 = PerlLIO_read(pp[0],
3646 (void*)(((char*)&errkid)+n),
3652 PerlLIO_close(pp[0]);
3653 if (n) { /* Error */
3654 if (n != sizeof(int))
3655 Perl_croak(aTHX_ "panic: kid popen errno read");
3656 errno = errkid; /* Propagate errno from kid */
3657 STATUS_CURRENT = -1;
3660 PUSHi(STATUS_CURRENT);
3664 PerlLIO_close(pp[0]);
3665 #if defined(HAS_FCNTL) && defined(F_SETFD)
3666 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3669 if (PL_op->op_flags & OPf_STACKED) {
3670 SV *really = *++MARK;
3671 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3673 else if (SP - MARK != 1)
3674 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3676 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3679 #else /* ! FORK or VMS or OS/2 */
3680 if (PL_op->op_flags & OPf_STACKED) {
3681 SV *really = *++MARK;
3682 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3684 else if (SP - MARK != 1)
3685 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3687 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3689 STATUS_NATIVE_SET(value);
3692 PUSHi(STATUS_CURRENT);
3693 #endif /* !FORK or VMS */
3699 djSP; dMARK; dORIGMARK; dTARGET;
3703 PERL_FLUSHALL_FOR_CHILD;
3704 if (PL_op->op_flags & OPf_STACKED) {
3705 SV *really = *++MARK;
3706 value = (I32)do_aexec(really, MARK, SP);
3708 else if (SP - MARK != 1)
3710 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3714 (void ) do_aspawn(Nullsv, MARK, SP);
3718 value = (I32)do_aexec(Nullsv, MARK, SP);
3723 char *junk = SvPV(*SP, n_a);
3725 TAINT_PROPER("exec");
3728 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3731 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3734 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3745 djSP; dMARK; dTARGET;
3748 value = (I32)apply(PL_op->op_type, MARK, SP);
3753 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3761 XPUSHi( getppid() );
3764 DIE(aTHX_ PL_no_func, "getppid");
3780 pgrp = (I32)BSD_GETPGRP(pid);
3782 if (pid != 0 && pid != getpid())
3783 DIE(aTHX_ "POSIX getpgrp can't take an argument");
3789 DIE(aTHX_ PL_no_func, "getpgrp()");
3808 TAINT_PROPER("setpgrp");
3810 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3812 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3813 DIE(aTHX_ "POSIX setpgrp can't take an argument");
3814 SETi( setpgrp() >= 0 );
3815 #endif /* USE_BSDPGRP */
3818 DIE(aTHX_ PL_no_func, "setpgrp()");
3827 #ifdef HAS_GETPRIORITY
3830 SETi( getpriority(which, who) );
3833 DIE(aTHX_ PL_no_func, "getpriority()");
3843 #ifdef HAS_SETPRIORITY
3847 TAINT_PROPER("setpriority");
3848 SETi( setpriority(which, who, niceval) >= 0 );
3851 DIE(aTHX_ PL_no_func, "setpriority()");
3861 XPUSHn( time(Null(Time_t*)) );
3863 XPUSHi( time(Null(Time_t*)) );
3868 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3869 to HZ. Probably. For now, assume that if the system
3870 defines HZ, it does so correctly. (Will this break
3872 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3873 it's supported. --AD 9/96.
3889 DIE(aTHX_ "times not implemented");
3894 (void)PerlProc_times(&PL_timesbuf);
3896 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3897 /* struct tms, though same data */
3901 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
3902 if (GIMME == G_ARRAY) {
3903 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
3904 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
3905 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
3908 #endif /* HAS_TIMES */
3921 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3922 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3923 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3929 when = (Time_t)SvNVx(POPs);
3931 when = (Time_t)SvIVx(POPs);
3934 if (PL_op->op_type == OP_LOCALTIME)
3935 tmbuf = localtime(&when);
3937 tmbuf = gmtime(&when);
3941 if (GIMME != G_ARRAY) {
3946 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
3947 dayname[tmbuf->tm_wday],
3948 monname[tmbuf->tm_mon],
3953 tmbuf->tm_year + 1900);
3954 PUSHs(sv_2mortal(tsv));
3957 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
3958 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
3959 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
3960 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
3961 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
3962 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
3963 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
3964 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
3965 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
3976 anum = alarm((unsigned int)anum);
3983 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
3994 (void)time(&lasttime);
3999 PerlProc_sleep((unsigned int)duration);
4002 XPUSHi(when - lasttime);
4006 /* Shared memory. */
4020 return pp_shmwrite();
4025 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4026 djSP; dMARK; dTARGET;
4027 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4036 /* Message passing. */
4050 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4051 djSP; dMARK; dTARGET;
4052 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4063 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4064 djSP; dMARK; dTARGET;
4065 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4078 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4079 djSP; dMARK; dTARGET;
4080 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4087 DIE(aTHX_ "System V IPC is not implemented on this machine");
4093 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4094 djSP; dMARK; dTARGET;
4095 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4103 PUSHp(zero_but_true, ZBTLEN);
4113 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4114 djSP; dMARK; dTARGET;
4115 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4124 /* Get system info. */
4128 #ifdef HAS_GETHOSTBYNAME
4129 return pp_ghostent();
4131 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4137 #ifdef HAS_GETHOSTBYADDR
4138 return pp_ghostent();
4140 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4147 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4148 I32 which = PL_op->op_type;
4149 register char **elem;
4151 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4152 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4153 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4154 struct hostent *PerlSock_gethostent(void);
4156 struct hostent *hent;
4161 if (which == OP_GHBYNAME)
4162 #ifdef HAS_GETHOSTBYNAME
4163 hent = PerlSock_gethostbyname(POPpx);
4165 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4167 else if (which == OP_GHBYADDR) {
4168 #ifdef HAS_GETHOSTBYADDR
4169 int addrtype = POPi;
4172 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4174 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4176 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4180 #ifdef HAS_GETHOSTENT
4181 hent = PerlSock_gethostent();
4183 DIE(aTHX_ PL_no_sock_func, "gethostent");
4186 #ifdef HOST_NOT_FOUND
4188 STATUS_NATIVE_SET(h_errno);
4191 if (GIMME != G_ARRAY) {
4192 PUSHs(sv = sv_newmortal());
4194 if (which == OP_GHBYNAME) {
4196 sv_setpvn(sv, hent->h_addr, hent->h_length);
4199 sv_setpv(sv, (char*)hent->h_name);
4205 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4206 sv_setpv(sv, (char*)hent->h_name);
4207 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4208 for (elem = hent->h_aliases; elem && *elem; elem++) {
4209 sv_catpv(sv, *elem);
4211 sv_catpvn(sv, " ", 1);
4213 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4214 sv_setiv(sv, (IV)hent->h_addrtype);
4215 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4216 len = hent->h_length;
4217 sv_setiv(sv, (IV)len);
4219 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4220 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4221 sv_setpvn(sv, *elem, len);
4224 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4226 sv_setpvn(sv, hent->h_addr, len);
4231 DIE(aTHX_ PL_no_sock_func, "gethostent");
4237 #ifdef HAS_GETNETBYNAME
4238 return pp_gnetent();
4240 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4246 #ifdef HAS_GETNETBYADDR
4247 return pp_gnetent();
4249 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4256 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4257 I32 which = PL_op->op_type;
4258 register char **elem;
4260 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4261 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4262 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4263 struct netent *PerlSock_getnetent(void);
4265 struct netent *nent;
4268 if (which == OP_GNBYNAME)
4269 #ifdef HAS_GETNETBYNAME
4270 nent = PerlSock_getnetbyname(POPpx);
4272 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4274 else if (which == OP_GNBYADDR) {
4275 #ifdef HAS_GETNETBYADDR
4276 int addrtype = POPi;
4277 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4278 nent = PerlSock_getnetbyaddr(addr, addrtype);
4280 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4284 #ifdef HAS_GETNETENT
4285 nent = PerlSock_getnetent();
4287 DIE(aTHX_ PL_no_sock_func, "getnetent");
4291 if (GIMME != G_ARRAY) {
4292 PUSHs(sv = sv_newmortal());
4294 if (which == OP_GNBYNAME)
4295 sv_setiv(sv, (IV)nent->n_net);
4297 sv_setpv(sv, nent->n_name);
4303 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4304 sv_setpv(sv, nent->n_name);
4305 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4306 for (elem = nent->n_aliases; elem && *elem; elem++) {
4307 sv_catpv(sv, *elem);
4309 sv_catpvn(sv, " ", 1);
4311 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4312 sv_setiv(sv, (IV)nent->n_addrtype);
4313 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4314 sv_setiv(sv, (IV)nent->n_net);
4319 DIE(aTHX_ PL_no_sock_func, "getnetent");
4325 #ifdef HAS_GETPROTOBYNAME
4326 return pp_gprotoent();
4328 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4334 #ifdef HAS_GETPROTOBYNUMBER
4335 return pp_gprotoent();
4337 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4344 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4345 I32 which = PL_op->op_type;
4346 register char **elem;
4348 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4349 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4350 struct protoent *PerlSock_getprotobynumber(int);
4351 struct protoent *PerlSock_getprotoent(void);
4353 struct protoent *pent;
4356 if (which == OP_GPBYNAME)
4357 #ifdef HAS_GETPROTOBYNAME
4358 pent = PerlSock_getprotobyname(POPpx);
4360 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4362 else if (which == OP_GPBYNUMBER)
4363 #ifdef HAS_GETPROTOBYNUMBER
4364 pent = PerlSock_getprotobynumber(POPi);
4366 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4369 #ifdef HAS_GETPROTOENT
4370 pent = PerlSock_getprotoent();
4372 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4376 if (GIMME != G_ARRAY) {
4377 PUSHs(sv = sv_newmortal());
4379 if (which == OP_GPBYNAME)
4380 sv_setiv(sv, (IV)pent->p_proto);
4382 sv_setpv(sv, pent->p_name);
4388 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4389 sv_setpv(sv, pent->p_name);
4390 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4391 for (elem = pent->p_aliases; elem && *elem; elem++) {
4392 sv_catpv(sv, *elem);
4394 sv_catpvn(sv, " ", 1);
4396 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4397 sv_setiv(sv, (IV)pent->p_proto);
4402 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4408 #ifdef HAS_GETSERVBYNAME
4409 return pp_gservent();
4411 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4417 #ifdef HAS_GETSERVBYPORT
4418 return pp_gservent();
4420 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4427 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4428 I32 which = PL_op->op_type;
4429 register char **elem;
4431 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4432 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4433 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4434 struct servent *PerlSock_getservent(void);
4436 struct servent *sent;
4439 if (which == OP_GSBYNAME) {
4440 #ifdef HAS_GETSERVBYNAME
4441 char *proto = POPpx;
4444 if (proto && !*proto)
4447 sent = PerlSock_getservbyname(name, proto);
4449 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4452 else if (which == OP_GSBYPORT) {
4453 #ifdef HAS_GETSERVBYPORT
4454 char *proto = POPpx;
4455 unsigned short port = POPu;
4458 port = PerlSock_htons(port);
4460 sent = PerlSock_getservbyport(port, proto);
4462 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4466 #ifdef HAS_GETSERVENT
4467 sent = PerlSock_getservent();
4469 DIE(aTHX_ PL_no_sock_func, "getservent");
4473 if (GIMME != G_ARRAY) {
4474 PUSHs(sv = sv_newmortal());
4476 if (which == OP_GSBYNAME) {
4478 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4480 sv_setiv(sv, (IV)(sent->s_port));
4484 sv_setpv(sv, sent->s_name);
4490 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4491 sv_setpv(sv, sent->s_name);
4492 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4493 for (elem = sent->s_aliases; elem && *elem; elem++) {
4494 sv_catpv(sv, *elem);
4496 sv_catpvn(sv, " ", 1);
4498 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4500 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4502 sv_setiv(sv, (IV)(sent->s_port));
4504 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4505 sv_setpv(sv, sent->s_proto);
4510 DIE(aTHX_ PL_no_sock_func, "getservent");
4517 #ifdef HAS_SETHOSTENT
4518 PerlSock_sethostent(TOPi);
4521 DIE(aTHX_ PL_no_sock_func, "sethostent");
4528 #ifdef HAS_SETNETENT
4529 PerlSock_setnetent(TOPi);
4532 DIE(aTHX_ PL_no_sock_func, "setnetent");
4539 #ifdef HAS_SETPROTOENT
4540 PerlSock_setprotoent(TOPi);
4543 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4550 #ifdef HAS_SETSERVENT
4551 PerlSock_setservent(TOPi);
4554 DIE(aTHX_ PL_no_sock_func, "setservent");
4561 #ifdef HAS_ENDHOSTENT
4562 PerlSock_endhostent();
4566 DIE(aTHX_ PL_no_sock_func, "endhostent");
4573 #ifdef HAS_ENDNETENT
4574 PerlSock_endnetent();
4578 DIE(aTHX_ PL_no_sock_func, "endnetent");
4585 #ifdef HAS_ENDPROTOENT
4586 PerlSock_endprotoent();
4590 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4597 #ifdef HAS_ENDSERVENT
4598 PerlSock_endservent();
4602 DIE(aTHX_ PL_no_sock_func, "endservent");
4611 DIE(aTHX_ PL_no_func, "getpwnam");
4620 DIE(aTHX_ PL_no_func, "getpwuid");
4627 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4628 I32 which = PL_op->op_type;
4630 struct passwd *pwent;
4632 #if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4633 struct spwd *spwent = NULL;
4636 if (which == OP_GPWNAM)
4637 pwent = getpwnam(POPpx);
4638 else if (which == OP_GPWUID)
4639 pwent = getpwuid(POPi);
4641 pwent = (struct passwd *)getpwent();
4644 if (which == OP_GPWNAM) {
4646 spwent = getspnam(pwent->pw_name);
4648 # ifdef HAS_GETSPUID /* AFAIK there isn't any anywhere. --jhi */
4649 else if (which == OP_GPWUID) {
4651 spwent = getspnam(pwent->pw_name);
4654 # ifdef HAS_GETSPENT
4656 spwent = (struct spwd *)getspent();
4661 if (GIMME != G_ARRAY) {
4662 PUSHs(sv = sv_newmortal());
4664 if (which == OP_GPWNAM)
4665 sv_setiv(sv, (IV)pwent->pw_uid);
4667 sv_setpv(sv, pwent->pw_name);
4673 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4674 sv_setpv(sv, pwent->pw_name);
4676 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4678 # if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4680 sv_setpv(sv, spwent->sp_pwdp);
4682 sv_setpv(sv, pwent->pw_passwd);
4684 sv_setpv(sv, pwent->pw_passwd);
4688 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4689 sv_setiv(sv, (IV)pwent->pw_uid);
4691 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4692 sv_setiv(sv, (IV)pwent->pw_gid);
4694 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4695 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4697 sv_setiv(sv, (IV)pwent->pw_change);
4700 sv_setiv(sv, (IV)pwent->pw_quota);
4703 sv_setpv(sv, pwent->pw_age);
4708 /* pw_class and pw_comment are mutually exclusive. */
4709 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4711 sv_setpv(sv, pwent->pw_class);
4714 sv_setpv(sv, pwent->pw_comment);
4718 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4720 sv_setpv(sv, pwent->pw_gecos);
4722 #ifndef INCOMPLETE_TAINTS
4723 /* pw_gecos is tainted because user himself can diddle with it. */
4727 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4728 sv_setpv(sv, pwent->pw_dir);
4730 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4731 sv_setpv(sv, pwent->pw_shell);
4734 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4735 sv_setiv(sv, (IV)pwent->pw_expire);
4740 DIE(aTHX_ PL_no_func, "getpwent");
4747 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
4749 # ifdef HAS_SETSPENT
4754 DIE(aTHX_ PL_no_func, "setpwent");
4761 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4763 # ifdef HAS_ENDSPENT
4768 DIE(aTHX_ PL_no_func, "endpwent");
4777 DIE(aTHX_ PL_no_func, "getgrnam");
4786 DIE(aTHX_ PL_no_func, "getgrgid");
4793 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4794 I32 which = PL_op->op_type;
4795 register char **elem;
4797 struct group *grent;
4800 if (which == OP_GGRNAM)
4801 grent = (struct group *)getgrnam(POPpx);
4802 else if (which == OP_GGRGID)
4803 grent = (struct group *)getgrgid(POPi);
4805 grent = (struct group *)getgrent();
4808 if (GIMME != G_ARRAY) {
4809 PUSHs(sv = sv_newmortal());
4811 if (which == OP_GGRNAM)
4812 sv_setiv(sv, (IV)grent->gr_gid);
4814 sv_setpv(sv, grent->gr_name);
4820 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4821 sv_setpv(sv, grent->gr_name);
4823 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4825 sv_setpv(sv, grent->gr_passwd);
4828 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4829 sv_setiv(sv, (IV)grent->gr_gid);
4831 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4832 for (elem = grent->gr_mem; elem && *elem; elem++) {
4833 sv_catpv(sv, *elem);
4835 sv_catpvn(sv, " ", 1);
4841 DIE(aTHX_ PL_no_func, "getgrent");
4848 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4852 DIE(aTHX_ PL_no_func, "setgrent");
4859 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4863 DIE(aTHX_ PL_no_func, "endgrent");
4873 if (!(tmps = PerlProc_getlogin()))
4875 PUSHp(tmps, strlen(tmps));
4878 DIE(aTHX_ PL_no_func, "getlogin");
4882 /* Miscellaneous. */
4887 djSP; dMARK; dORIGMARK; dTARGET;
4888 register I32 items = SP - MARK;
4889 unsigned long a[20];
4896 while (++MARK <= SP) {
4897 if (SvTAINTED(*MARK)) {
4903 TAINT_PROPER("syscall");
4906 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4907 * or where sizeof(long) != sizeof(char*). But such machines will
4908 * not likely have syscall implemented either, so who cares?
4910 while (++MARK <= SP) {
4911 if (SvNIOK(*MARK) || !i)
4912 a[i++] = SvIV(*MARK);
4913 else if (*MARK == &PL_sv_undef)
4916 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
4922 DIE(aTHX_ "Too many args to syscall");
4924 DIE(aTHX_ "Too few args to syscall");
4926 retval = syscall(a[0]);
4929 retval = syscall(a[0],a[1]);
4932 retval = syscall(a[0],a[1],a[2]);
4935 retval = syscall(a[0],a[1],a[2],a[3]);
4938 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4941 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4944 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4947 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4951 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4954 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],
4969 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4970 a[10],a[11],a[12],a[13]);
4972 #endif /* atarist */
4978 DIE(aTHX_ PL_no_func, "syscall");
4982 #ifdef FCNTL_EMULATE_FLOCK
4984 /* XXX Emulate flock() with fcntl().
4985 What's really needed is a good file locking module.
4989 fcntl_emulate_flock(int fd, int operation)
4993 switch (operation & ~LOCK_NB) {
4995 flock.l_type = F_RDLCK;
4998 flock.l_type = F_WRLCK;
5001 flock.l_type = F_UNLCK;
5007 flock.l_whence = SEEK_SET;
5008 flock.l_start = flock.l_len = (Off_t)0;
5010 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5013 #endif /* FCNTL_EMULATE_FLOCK */
5015 #ifdef LOCKF_EMULATE_FLOCK
5017 /* XXX Emulate flock() with lockf(). This is just to increase
5018 portability of scripts. The calls are not completely
5019 interchangeable. What's really needed is a good file
5023 /* The lockf() constants might have been defined in <unistd.h>.
5024 Unfortunately, <unistd.h> causes troubles on some mixed
5025 (BSD/POSIX) systems, such as SunOS 4.1.3.
5027 Further, the lockf() constants aren't POSIX, so they might not be
5028 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5029 just stick in the SVID values and be done with it. Sigh.
5033 # define F_ULOCK 0 /* Unlock a previously locked region */
5036 # define F_LOCK 1 /* Lock a region for exclusive use */
5039 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5042 # define F_TEST 3 /* Test a region for other processes locks */
5046 lockf_emulate_flock(int fd, int operation)
5052 /* flock locks entire file so for lockf we need to do the same */
5054 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5055 if (pos > 0) /* is seekable and needs to be repositioned */
5056 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5057 pos = -1; /* seek failed, so don't seek back afterwards */
5060 switch (operation) {
5062 /* LOCK_SH - get a shared lock */
5064 /* LOCK_EX - get an exclusive lock */
5066 i = lockf (fd, F_LOCK, 0);
5069 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5070 case LOCK_SH|LOCK_NB:
5071 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5072 case LOCK_EX|LOCK_NB:
5073 i = lockf (fd, F_TLOCK, 0);
5075 if ((errno == EAGAIN) || (errno == EACCES))
5076 errno = EWOULDBLOCK;
5079 /* LOCK_UN - unlock (non-blocking is a no-op) */
5081 case LOCK_UN|LOCK_NB:
5082 i = lockf (fd, F_ULOCK, 0);
5085 /* Default - can't decipher operation */
5092 if (pos > 0) /* need to restore position of the handle */
5093 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5098 #endif /* LOCKF_EMULATE_FLOCK */