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();
250 MUTEX_LOCK(&PL_cred_mutex);
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");
296 MUTEX_UNLOCK(&PL_cred_mutex);
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->op_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_ "%_", 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(newSVsv(GvSV(PL_curcop->cop_filegv)));
479 SV *line = sv_2mortal(newSViv(PL_curcop->cop_line));
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_ "%_", tmpsv);
526 DIE(aTHX_ PL_no_usym, "filehandle");
531 DIE(aTHX_ PL_no_usym, "filehandle");
533 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
535 #if 0 /* no undef means tmpfile() yet */
536 if (sv == &PL_sv_undef) {
538 PerlIO *fp = PerlIO_tmpfile();
540 PerlIO *fp = tmpfile();
542 if (fp != Nullfp && do_open(gv, "+>&", 3, FALSE, 0, 0, fp))
543 PUSHi( (I32)PL_forkprocess );
548 #endif /* no undef means tmpfile() yet */
551 if (mg = SvTIED_mg((SV*)gv, 'q')) {
553 XPUSHs(SvTIED_obj((SV*)gv, mg));
559 call_method("OPEN", G_SCALAR);
565 tmps = SvPV(sv, len);
566 if (do_open9(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, name, have_name))
567 PUSHi( (I32)PL_forkprocess );
568 else if (PL_forkprocess == 0) /* we are a new child */
586 if (mg = SvTIED_mg((SV*)gv, 'q')) {
588 XPUSHs(SvTIED_obj((SV*)gv, mg));
591 call_method("CLOSE", G_SCALAR);
597 PUSHs(boolSV(do_close(gv, TRUE)));
617 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
618 DIE(aTHX_ PL_no_usym, "filehandle");
623 do_close(rgv, FALSE);
625 do_close(wgv, FALSE);
627 if (PerlProc_pipe(fd) < 0)
630 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
631 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
632 IoIFP(wstio) = IoOFP(wstio);
636 if (!IoIFP(rstio) || !IoOFP(wstio)) {
637 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
638 else PerlLIO_close(fd[0]);
639 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
640 else PerlLIO_close(fd[1]);
643 #if defined(HAS_FCNTL) && defined(F_SETFD)
644 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
645 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
652 DIE(aTHX_ PL_no_func, "pipe");
668 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
670 XPUSHs(SvTIED_obj((SV*)gv, mg));
673 call_method("FILENO", G_SCALAR);
679 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
681 PUSHi(PerlIO_fileno(fp));
692 anum = PerlLIO_umask(0);
693 (void)PerlLIO_umask(anum);
696 anum = PerlLIO_umask(POPi);
697 TAINT_PROPER("umask");
700 /* Only DIE if trying to restrict permissions on `user' (self).
701 * Otherwise it's harmless and more useful to just return undef
702 * since 'group' and 'other' concepts probably don't exist here. */
703 if (MAXARG >= 1 && (POPi & 0700))
704 DIE(aTHX_ "umask not implemented");
705 XPUSHs(&PL_sv_undef);
723 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
725 XPUSHs(SvTIED_obj((SV*)gv, mg));
728 call_method("BINMODE", G_SCALAR);
735 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
738 if (do_binmode(fp,IoTYPE(io),TRUE))
753 I32 markoff = MARK - PL_stack_base;
760 switch(SvTYPE(varsv)) {
762 methname = "TIEHASH";
765 methname = "TIEARRAY";
768 methname = "TIEHANDLE";
772 methname = "TIESCALAR";
777 if (sv_isobject(*MARK)) {
779 PUSHSTACKi(PERLSI_MAGIC);
785 call_method(methname, G_SCALAR);
788 /* Not clear why we don't call call_method here too.
789 * perhaps to get different error message ?
791 stash = gv_stashsv(*MARK, FALSE);
792 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
793 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
794 methname, SvPV(*MARK,n_a));
797 PUSHSTACKi(PERLSI_MAGIC);
803 call_sv((SV*)GvCV(gv), G_SCALAR);
809 if (sv_isobject(sv)) {
810 sv_unmagic(varsv, how);
811 sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0);
814 SP = PL_stack_base + markoff;
823 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
825 if (ckWARN(WARN_UNTIE)) {
827 if (mg = SvTIED_mg(sv, how)) {
828 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
829 Perl_warner(aTHX_ WARN_UNTIE,
830 "untie attempted while %"UVuf" inner references still exist",
831 (UV)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
843 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
846 if (mg = SvTIED_mg(sv, how)) {
847 SV *osv = SvTIED_obj(sv, mg);
848 if (osv == mg->mg_obj)
849 osv = sv_mortalcopy(osv);
867 sv = sv_mortalcopy(&PL_sv_no);
868 sv_setpv(sv, "AnyDBM_File");
869 stash = gv_stashsv(sv, FALSE);
870 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
872 require_pv("AnyDBM_File.pm");
874 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
875 DIE(aTHX_ "No dbm on this machine");
885 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
887 PUSHs(sv_2mortal(newSViv(O_RDWR)));
890 call_sv((SV*)GvCV(gv), G_SCALAR);
893 if (!sv_isobject(TOPs)) {
898 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
901 call_sv((SV*)GvCV(gv), G_SCALAR);
905 if (sv_isobject(TOPs)) {
906 sv_unmagic((SV *) hv, 'P');
907 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
929 struct timeval timebuf;
930 struct timeval *tbuf = &timebuf;
934 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
939 # if BYTEORDER & 0xf0000
940 # define ORDERBYTE (0x88888888 - BYTEORDER)
942 # define ORDERBYTE (0x4444 - BYTEORDER)
948 for (i = 1; i <= 3; i++) {
956 /* little endians can use vecs directly */
957 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
958 # if SELECT_MIN_BITS > 1
959 /* If SELECT_MIN_BITS is greater than one we most probably will want
960 * to align the sizes with SELECT_MIN_BITS/8 because for example
961 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
962 * UNIX, Solaris, NeXT, Rhapsody) the smallest quantum select() operates
963 * on (sets/tests/clears bits) is 32 bits. */
964 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
966 growsize = sizeof(fd_set);
975 masksize = NFDBITS / NBBY;
977 masksize = sizeof(long); /* documented int, everyone seems to use long */
979 growsize = maxlen + (masksize - (maxlen % masksize));
980 Zero(&fd_sets[0], 4, char*);
988 timebuf.tv_sec = (long)value;
989 value -= (NV)timebuf.tv_sec;
990 timebuf.tv_usec = (long)(value * 1000000.0);
993 tbuf = Null(struct timeval*);
995 for (i = 1; i <= 3; i++) {
1001 else if (!SvPOK(sv))
1002 SvPV_force(sv,n_a); /* force string conversion */
1005 Sv_Grow(sv, growsize);
1009 while (++j <= growsize) {
1013 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1015 New(403, fd_sets[i], growsize, char);
1016 for (offset = 0; offset < growsize; offset += masksize) {
1017 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1018 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1021 fd_sets[i] = SvPVX(sv);
1025 nfound = PerlSock_select(
1027 (Select_fd_set_t) fd_sets[1],
1028 (Select_fd_set_t) fd_sets[2],
1029 (Select_fd_set_t) fd_sets[3],
1031 for (i = 1; i <= 3; i++) {
1034 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1036 for (offset = 0; offset < growsize; offset += masksize) {
1037 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1038 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1040 Safefree(fd_sets[i]);
1047 if (GIMME == G_ARRAY && tbuf) {
1048 value = (NV)(timebuf.tv_sec) +
1049 (NV)(timebuf.tv_usec) / 1000000.0;
1050 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1051 sv_setnv(sv, value);
1055 DIE(aTHX_ "select not implemented");
1060 Perl_setdefout(pTHX_ GV *gv)
1064 (void)SvREFCNT_inc(gv);
1066 SvREFCNT_dec(PL_defoutgv);
1073 GV *newdefout, *egv;
1076 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1078 egv = GvEGV(PL_defoutgv);
1083 XPUSHs(&PL_sv_undef);
1085 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1086 if (gvp && *gvp == egv) {
1087 gv_efullname3(TARG, PL_defoutgv, Nullch);
1091 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1096 if (!GvIO(newdefout))
1097 gv_IOadd(newdefout);
1098 setdefout(newdefout);
1117 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1118 I32 gimme = GIMME_V;
1120 XPUSHs(SvTIED_obj((SV*)gv, mg));
1123 call_method("GETC", gimme);
1126 if (gimme == G_SCALAR)
1127 SvSetMagicSV_nosteal(TARG, TOPs);
1130 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1133 sv_setpv(TARG, " ");
1134 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1141 return pp_sysread();
1145 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1148 register PERL_CONTEXT *cx;
1149 I32 gimme = GIMME_V;
1150 AV* padlist = CvPADLIST(cv);
1151 SV** svp = AvARRAY(padlist);
1157 PUSHBLOCK(cx, CXt_SUB, PL_stack_sp);
1159 SAVESPTR(PL_curpad);
1160 PL_curpad = AvARRAY((AV*)svp[1]);
1162 setdefout(gv); /* locally select filehandle so $% et al work */
1194 SV *tmpsv = sv_newmortal();
1195 gv_efullname3(tmpsv, fgv, Nullch);
1196 DIE(aTHX_ "Undefined format \"%s\" called",SvPVX(tmpsv));
1198 DIE(aTHX_ "Not a format reference");
1201 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1203 IoFLAGS(io) &= ~IOf_DIDTOP;
1204 return doform(cv,gv,PL_op->op_next);
1210 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1211 register IO *io = GvIOp(gv);
1212 PerlIO *ofp = IoOFP(io);
1216 register PERL_CONTEXT *cx;
1218 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1219 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1220 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1221 PL_formtarget != PL_toptarget)
1225 if (!IoTOP_GV(io)) {
1229 if (!IoTOP_NAME(io)) {
1230 if (!IoFMT_NAME(io))
1231 IoFMT_NAME(io) = savepv(GvNAME(gv));
1232 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1233 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1234 if ((topgv && GvFORM(topgv)) ||
1235 !gv_fetchpv("top",FALSE,SVt_PVFM))
1236 IoTOP_NAME(io) = savepv(SvPVX(topname));
1238 IoTOP_NAME(io) = savepv("top");
1240 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1241 if (!topgv || !GvFORM(topgv)) {
1242 IoLINES_LEFT(io) = 100000000;
1245 IoTOP_GV(io) = topgv;
1247 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1248 I32 lines = IoLINES_LEFT(io);
1249 char *s = SvPVX(PL_formtarget);
1250 if (lines <= 0) /* Yow, header didn't even fit!!! */
1252 while (lines-- > 0) {
1253 s = strchr(s, '\n');
1259 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1260 sv_chop(PL_formtarget, s);
1261 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1264 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1265 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1266 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1268 PL_formtarget = PL_toptarget;
1269 IoFLAGS(io) |= IOf_DIDTOP;
1272 DIE(aTHX_ "bad top format reference");
1275 SV *tmpsv = sv_newmortal();
1276 gv_efullname3(tmpsv, fgv, Nullch);
1277 DIE(aTHX_ "Undefined top format \"%s\" called",SvPVX(tmpsv));
1280 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1281 return doform(cv,gv,PL_op);
1285 POPBLOCK(cx,PL_curpm);
1291 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1292 SV* sv = sv_newmortal();
1293 gv_efullname3(sv, gv, Nullch);
1295 Perl_warner(aTHX_ WARN_IO,
1296 "Filehandle %s opened only for input",
1298 else if (ckWARN(WARN_CLOSED))
1299 Perl_warner(aTHX_ WARN_CLOSED,
1300 "Write on closed filehandle %s", SvPV_nolen(sv));
1305 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1306 if (ckWARN(WARN_IO))
1307 Perl_warner(aTHX_ WARN_IO, "page overflow");
1309 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1313 FmLINES(PL_formtarget) = 0;
1314 SvCUR_set(PL_formtarget, 0);
1315 *SvEND(PL_formtarget) = '\0';
1316 if (IoFLAGS(io) & IOf_FLUSH)
1317 (void)PerlIO_flush(fp);
1321 PL_formtarget = PL_bodytarget;
1323 return pop_return();
1328 djSP; dMARK; dORIGMARK;
1336 if (PL_op->op_flags & OPf_STACKED)
1341 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1342 if (MARK == ORIGMARK) {
1345 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1349 *MARK = SvTIED_obj((SV*)gv, mg);
1352 call_method("PRINTF", G_SCALAR);
1355 MARK = ORIGMARK + 1;
1362 if (!(io = GvIO(gv))) {
1363 if (ckWARN(WARN_UNOPENED)) {
1364 gv_efullname3(sv, gv, Nullch);
1365 Perl_warner(aTHX_ WARN_UNOPENED,
1366 "Filehandle %s never opened", SvPV(sv,n_a));
1368 SETERRNO(EBADF,RMS$_IFI);
1371 else if (!(fp = IoOFP(io))) {
1372 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1373 gv_efullname3(sv, gv, Nullch);
1375 Perl_warner(aTHX_ WARN_IO,
1376 "Filehandle %s opened only for input",
1378 else if (ckWARN(WARN_CLOSED))
1379 Perl_warner(aTHX_ WARN_CLOSED,
1380 "printf on closed filehandle %s", SvPV(sv,n_a));
1382 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1386 do_sprintf(sv, SP - MARK, MARK + 1);
1387 if (!do_print(sv, fp))
1390 if (IoFLAGS(io) & IOf_FLUSH)
1391 if (PerlIO_flush(fp) == EOF)
1402 PUSHs(&PL_sv_undef);
1423 /* Need TIEHANDLE method ? */
1425 tmps = SvPV(sv, len);
1426 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1427 IoLINES(GvIOp(gv)) = 0;
1431 PUSHs(&PL_sv_undef);
1438 djSP; dMARK; dORIGMARK; dTARGET;
1444 Sock_size_t bufsize;
1450 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1451 (mg = SvTIED_mg((SV*)gv, 'q')))
1456 *MARK = SvTIED_obj((SV*)gv, mg);
1458 call_method("READ", G_SCALAR);
1471 sv_setpvn(bufsv, "", 0);
1472 buffer = SvPV_force(bufsv, blen);
1473 length = SvIVx(*++MARK);
1475 DIE(aTHX_ "Negative length");
1478 offset = SvIVx(*++MARK);
1482 if (!io || !IoIFP(io))
1485 if (PL_op->op_type == OP_RECV) {
1486 char namebuf[MAXPATHLEN];
1487 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1488 bufsize = sizeof (struct sockaddr_in);
1490 bufsize = sizeof namebuf;
1492 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1496 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1500 buffer = SvGROW(bufsv, length+1);
1501 /* 'offset' means 'flags' here */
1502 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1503 (struct sockaddr *)namebuf, &bufsize);
1506 SvCUR_set(bufsv, length);
1507 *SvEND(bufsv) = '\0';
1508 (void)SvPOK_only(bufsv);
1510 /* This should not be marked tainted if the fp is marked clean */
1511 if (!(IoFLAGS(io) & IOf_UNTAINT))
1512 SvTAINTED_on(bufsv);
1514 sv_setpvn(TARG, namebuf, bufsize);
1519 if (PL_op->op_type == OP_RECV)
1520 DIE(aTHX_ PL_no_sock_func, "recv");
1524 DIE(aTHX_ "Offset outside string");
1527 bufsize = SvCUR(bufsv);
1528 buffer = SvGROW(bufsv, length+offset+1);
1529 if (offset > bufsize) { /* Zero any newly allocated space */
1530 Zero(buffer+bufsize, offset-bufsize, char);
1532 if (PL_op->op_type == OP_SYSREAD) {
1533 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1534 if (IoTYPE(io) == 's') {
1535 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1536 buffer+offset, length, 0);
1541 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1542 buffer+offset, length);
1546 #ifdef HAS_SOCKET__bad_code_maybe
1547 if (IoTYPE(io) == 's') {
1548 char namebuf[MAXPATHLEN];
1549 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1550 bufsize = sizeof (struct sockaddr_in);
1552 bufsize = sizeof namebuf;
1554 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1555 (struct sockaddr *)namebuf, &bufsize);
1560 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1561 /* fread() returns 0 on both error and EOF */
1562 if (length == 0 && PerlIO_error(IoIFP(io)))
1566 if ((IoTYPE(io) == '>' || IoIFP(io) == PerlIO_stdout()
1567 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1569 SV* sv = sv_newmortal();
1570 gv_efullname3(sv, gv, Nullch);
1571 Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for output",
1576 SvCUR_set(bufsv, length+offset);
1577 *SvEND(bufsv) = '\0';
1578 (void)SvPOK_only(bufsv);
1580 /* This should not be marked tainted if the fp is marked clean */
1581 if (!(IoFLAGS(io) & IOf_UNTAINT))
1582 SvTAINTED_on(bufsv);
1595 int items = (SP - PL_stack_base) - TOPMARK;
1599 sv = sv_2mortal(newSViv(sv_len(*SP)));
1608 djSP; dMARK; dORIGMARK; dTARGET;
1619 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1623 *MARK = SvTIED_obj((SV*)gv, mg);
1625 call_method("WRITE", G_SCALAR);
1636 buffer = SvPV(bufsv, blen);
1637 length = SvIVx(*++MARK);
1639 DIE(aTHX_ "Negative length");
1642 if (!io || !IoIFP(io)) {
1644 if (ckWARN(WARN_CLOSED)) {
1645 if (PL_op->op_type == OP_SYSWRITE)
1646 Perl_warner(aTHX_ WARN_CLOSED, "Syswrite on closed filehandle");
1648 Perl_warner(aTHX_ WARN_CLOSED, "Send on closed socket");
1651 else if (PL_op->op_type == OP_SYSWRITE) {
1653 offset = SvIVx(*++MARK);
1656 DIE(aTHX_ "Offset outside string");
1658 } else if (offset >= blen && blen > 0)
1659 DIE(aTHX_ "Offset outside string");
1662 if (length > blen - offset)
1663 length = blen - offset;
1664 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1665 if (IoTYPE(io) == 's') {
1666 length = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1667 buffer+offset, length, 0);
1672 /* See the note at doio.c:do_print about filesize limits. --jhi */
1673 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1674 buffer+offset, length);
1678 else if (SP > MARK) {
1681 sockbuf = SvPVx(*++MARK, mlen);
1682 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1683 (struct sockaddr *)sockbuf, mlen);
1686 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1690 DIE(aTHX_ PL_no_sock_func, "send");
1705 return pp_sysread();
1717 gv = PL_last_in_gv = (GV*)POPs;
1719 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1721 XPUSHs(SvTIED_obj((SV*)gv, mg));
1724 call_method("EOF", G_SCALAR);
1730 PUSHs(boolSV(!gv || do_eof(gv)));
1743 gv = PL_last_in_gv = (GV*)POPs;
1745 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1747 XPUSHs(SvTIED_obj((SV*)gv, mg));
1750 call_method("TELL", G_SCALAR);
1756 PUSHi( do_tell(gv) );
1762 return pp_sysseek();
1770 Off_t offset = (Off_t)SvIVx(POPs);
1773 gv = PL_last_in_gv = (GV*)POPs;
1775 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1777 XPUSHs(SvTIED_obj((SV*)gv, mg));
1778 XPUSHs(sv_2mortal(newSViv((IV) offset)));
1779 XPUSHs(sv_2mortal(newSViv((IV) whence)));
1782 call_method("SEEK", G_SCALAR);
1788 if (PL_op->op_type == OP_SEEK)
1789 PUSHs(boolSV(do_seek(gv, offset, whence)));
1791 Off_t n = do_sysseek(gv, offset, whence);
1792 PUSHs((n < 0) ? &PL_sv_undef
1793 : sv_2mortal(n ? newSViv((IV)n)
1794 : newSVpvn(zero_but_true, ZBTLEN)));
1802 Off_t len = (Off_t)POPn;
1808 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1809 if (PL_op->op_flags & OPf_SPECIAL) {
1810 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1812 TAINT_PROPER("truncate");
1813 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1815 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1817 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1826 if (SvTYPE(sv) == SVt_PVGV) {
1827 tmpgv = (GV*)sv; /* *main::FRED for example */
1830 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1831 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1835 name = SvPV(sv, n_a);
1836 TAINT_PROPER("truncate");
1838 if (truncate(name, len) < 0)
1843 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1846 if (my_chsize(tmpfd, len) < 0)
1848 PerlLIO_close(tmpfd);
1857 SETERRNO(EBADF,RMS$_IFI);
1860 DIE(aTHX_ "truncate not implemented");
1873 unsigned int func = U_I(POPn);
1874 int optype = PL_op->op_type;
1880 if (!io || !argsv || !IoIFP(io)) {
1881 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1885 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1888 s = SvPV_force(argsv, len);
1889 need = IOCPARM_LEN(func);
1891 s = Sv_Grow(argsv, need + 1);
1892 SvCUR_set(argsv, need);
1895 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1898 retval = SvIV(argsv);
1899 s = INT2PTR(char*,retval); /* ouch */
1902 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1904 if (optype == OP_IOCTL)
1906 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1908 DIE(aTHX_ "ioctl is not implemented");
1912 #if defined(OS2) && defined(__EMX__)
1913 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1915 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1918 DIE(aTHX_ "fcntl is not implemented");
1922 if (s[SvCUR(argsv)] != 17)
1923 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
1924 PL_op_name[optype]);
1925 s[SvCUR(argsv)] = 0; /* put our null back */
1926 SvSETMAGIC(argsv); /* Assume it has changed */
1935 PUSHp(zero_but_true, ZBTLEN);
1955 fp = IoIFP(GvIOp(gv));
1959 (void)PerlIO_flush(fp);
1960 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1967 DIE(aTHX_ PL_no_func, "flock()");
1979 int protocol = POPi;
1987 SETERRNO(EBADF,LIB$_INVARG);
1993 do_close(gv, FALSE);
1995 TAINT_PROPER("socket");
1996 fd = PerlSock_socket(domain, type, protocol);
1999 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2000 IoOFP(io) = PerlIO_fdopen(fd, "w");
2002 if (!IoIFP(io) || !IoOFP(io)) {
2003 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2004 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2005 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2011 DIE(aTHX_ PL_no_sock_func, "socket");
2018 #ifdef HAS_SOCKETPAIR
2023 int protocol = POPi;
2036 do_close(gv1, FALSE);
2038 do_close(gv2, FALSE);
2040 TAINT_PROPER("socketpair");
2041 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2043 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2044 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2046 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2047 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2049 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2050 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2051 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2052 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2053 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2054 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2055 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2061 DIE(aTHX_ PL_no_sock_func, "socketpair");
2069 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2070 extern GETPRIVMODE();
2071 extern GETUSERMODE();
2076 register IO *io = GvIOn(gv);
2080 int mpeprivmode = 0;
2083 if (!io || !IoIFP(io))
2086 addr = SvPV(addrsv, len);
2087 TAINT_PROPER("bind");
2088 #ifdef MPE /* Deal with MPE bind() peculiarities */
2089 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2090 /* The address *MUST* stupidly be zero. */
2091 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2092 /* PRIV mode is required to bind() to ports < 1024. */
2093 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2094 ((struct sockaddr_in *)addr)->sin_port > 0) {
2095 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2100 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2101 (struct sockaddr *)addr, len) >= 0)
2104 #ifdef MPE /* Switch back to USER mode */
2115 if (ckWARN(WARN_CLOSED))
2116 Perl_warner(aTHX_ WARN_CLOSED, "bind() on closed fd");
2117 SETERRNO(EBADF,SS$_IVCHAN);
2120 DIE(aTHX_ PL_no_sock_func, "bind");
2131 register IO *io = GvIOn(gv);
2134 if (!io || !IoIFP(io))
2137 addr = SvPV(addrsv, len);
2138 TAINT_PROPER("connect");
2139 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2145 if (ckWARN(WARN_CLOSED))
2146 Perl_warner(aTHX_ WARN_CLOSED, "connect() on closed fd");
2147 SETERRNO(EBADF,SS$_IVCHAN);
2150 DIE(aTHX_ PL_no_sock_func, "connect");
2160 register IO *io = GvIOn(gv);
2162 if (!io || !IoIFP(io))
2165 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2171 if (ckWARN(WARN_CLOSED))
2172 Perl_warner(aTHX_ WARN_CLOSED, "listen() on closed fd");
2173 SETERRNO(EBADF,SS$_IVCHAN);
2176 DIE(aTHX_ PL_no_sock_func, "listen");
2188 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2189 Sock_size_t len = sizeof saddr;
2201 if (!gstio || !IoIFP(gstio))
2206 do_close(ngv, FALSE);
2208 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2211 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2212 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2213 IoTYPE(nstio) = 's';
2214 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2215 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2216 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2217 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2221 PUSHp((char *)&saddr, len);
2225 if (ckWARN(WARN_CLOSED))
2226 Perl_warner(aTHX_ WARN_CLOSED, "accept() on closed fd");
2227 SETERRNO(EBADF,SS$_IVCHAN);
2233 DIE(aTHX_ PL_no_sock_func, "accept");
2243 register IO *io = GvIOn(gv);
2245 if (!io || !IoIFP(io))
2248 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2252 if (ckWARN(WARN_CLOSED))
2253 Perl_warner(aTHX_ WARN_CLOSED, "shutdown() on closed fd");
2254 SETERRNO(EBADF,SS$_IVCHAN);
2257 DIE(aTHX_ PL_no_sock_func, "shutdown");
2264 return pp_ssockopt();
2266 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2274 int optype = PL_op->op_type;
2277 unsigned int optname;
2283 if (optype == OP_GSOCKOPT)
2284 sv = sv_2mortal(NEWSV(22, 257));
2287 optname = (unsigned int) POPi;
2288 lvl = (unsigned int) POPi;
2292 if (!io || !IoIFP(io))
2295 fd = PerlIO_fileno(IoIFP(io));
2299 (void)SvPOK_only(sv);
2303 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2318 aint = (int)SvIV(sv);
2322 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2331 if (ckWARN(WARN_CLOSED))
2332 Perl_warner(aTHX_ WARN_CLOSED, "[gs]etsockopt() on closed fd");
2333 SETERRNO(EBADF,SS$_IVCHAN);
2338 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2345 return pp_getpeername();
2347 DIE(aTHX_ PL_no_sock_func, "getsockname");
2355 int optype = PL_op->op_type;
2359 register IO *io = GvIOn(gv);
2362 if (!io || !IoIFP(io))
2365 sv = sv_2mortal(NEWSV(22, 257));
2366 (void)SvPOK_only(sv);
2370 fd = PerlIO_fileno(IoIFP(io));
2372 case OP_GETSOCKNAME:
2373 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2376 case OP_GETPEERNAME:
2377 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2379 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2381 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2382 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2383 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2384 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2385 sizeof(u_short) + sizeof(struct in_addr))) {
2392 #ifdef BOGUS_GETNAME_RETURN
2393 /* Interactive Unix, getpeername() and getsockname()
2394 does not return valid namelen */
2395 if (len == BOGUS_GETNAME_RETURN)
2396 len = sizeof(struct sockaddr);
2404 if (ckWARN(WARN_CLOSED))
2405 Perl_warner(aTHX_ WARN_CLOSED, "get{sock, peer}name() on closed fd");
2406 SETERRNO(EBADF,SS$_IVCHAN);
2411 DIE(aTHX_ PL_no_sock_func, "getpeername");
2430 if (PL_op->op_flags & OPf_REF) {
2431 tmpgv = cGVOP->op_gv;
2433 if (tmpgv != PL_defgv) {
2434 PL_laststype = OP_STAT;
2436 sv_setpv(PL_statname, "");
2437 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2438 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2440 if (PL_laststatval < 0)
2445 if (SvTYPE(sv) == SVt_PVGV) {
2449 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2450 tmpgv = (GV*)SvRV(sv);
2453 sv_setpv(PL_statname, SvPV(sv,n_a));
2456 PL_laststype = PL_op->op_type;
2457 if (PL_op->op_type == OP_LSTAT)
2458 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2461 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2462 if (PL_laststatval < 0) {
2463 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2464 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2470 if (gimme != G_ARRAY) {
2471 if (gimme != G_VOID)
2472 XPUSHs(boolSV(max));
2478 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2479 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2480 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mode)));
2481 PUSHs(sv_2mortal(newSViv(PL_statcache.st_nlink)));
2482 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2483 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2484 #ifdef USE_STAT_RDEV
2485 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2487 PUSHs(sv_2mortal(newSVpvn("", 0)));
2489 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2491 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2492 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2493 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2495 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2496 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2497 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2499 #ifdef USE_STAT_BLOCKS
2500 PUSHs(sv_2mortal(newSViv(PL_statcache.st_blksize)));
2501 PUSHs(sv_2mortal(newSViv(PL_statcache.st_blocks)));
2503 PUSHs(sv_2mortal(newSVpvn("", 0)));
2504 PUSHs(sv_2mortal(newSVpvn("", 0)));
2514 #if defined(HAS_ACCESS) && defined(R_OK)
2516 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2517 result = access(TOPpx, R_OK);
2532 if (cando(S_IRUSR, 0, &PL_statcache))
2541 #if defined(HAS_ACCESS) && defined(W_OK)
2543 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2544 result = access(TOPpx, W_OK);
2559 if (cando(S_IWUSR, 0, &PL_statcache))
2568 #if defined(HAS_ACCESS) && defined(X_OK)
2570 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2571 result = access(TOPpx, X_OK);
2586 if (cando(S_IXUSR, 0, &PL_statcache))
2595 #ifdef PERL_EFF_ACCESS_R_OK
2597 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2598 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2613 if (cando(S_IRUSR, 1, &PL_statcache))
2622 #ifdef PERL_EFF_ACCESS_W_OK
2624 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2625 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2640 if (cando(S_IWUSR, 1, &PL_statcache))
2649 #ifdef PERL_EFF_ACCESS_X_OK
2651 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2652 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2667 if (cando(S_IXUSR, 1, &PL_statcache))
2674 I32 result = my_stat();
2683 return pp_ftrowned();
2688 I32 result = my_stat();
2692 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? PL_euid : PL_uid) )
2699 I32 result = my_stat();
2703 if (!PL_statcache.st_size)
2710 I32 result = my_stat();
2714 PUSHi(PL_statcache.st_size);
2720 I32 result = my_stat();
2724 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2730 I32 result = my_stat();
2734 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2740 I32 result = my_stat();
2744 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
2750 I32 result = my_stat();
2754 if (S_ISSOCK(PL_statcache.st_mode))
2761 I32 result = my_stat();
2765 if (S_ISCHR(PL_statcache.st_mode))
2772 I32 result = my_stat();
2776 if (S_ISBLK(PL_statcache.st_mode))
2783 I32 result = my_stat();
2787 if (S_ISREG(PL_statcache.st_mode))
2794 I32 result = my_stat();
2798 if (S_ISDIR(PL_statcache.st_mode))
2805 I32 result = my_stat();
2809 if (S_ISFIFO(PL_statcache.st_mode))
2816 I32 result = my_lstat();
2820 if (S_ISLNK(PL_statcache.st_mode))
2829 I32 result = my_stat();
2833 if (PL_statcache.st_mode & S_ISUID)
2843 I32 result = my_stat();
2847 if (PL_statcache.st_mode & S_ISGID)
2857 I32 result = my_stat();
2861 if (PL_statcache.st_mode & S_ISVTX)
2872 char *tmps = Nullch;
2875 if (PL_op->op_flags & OPf_REF)
2877 else if (isGV(TOPs))
2879 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2880 gv = (GV*)SvRV(POPs);
2882 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2884 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2885 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2886 else if (tmps && isDIGIT(*tmps))
2890 if (PerlLIO_isatty(fd))
2895 #if defined(atarist) /* this will work with atariST. Configure will
2896 make guesses for other systems. */
2897 # define FILE_base(f) ((f)->_base)
2898 # define FILE_ptr(f) ((f)->_ptr)
2899 # define FILE_cnt(f) ((f)->_cnt)
2900 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2910 register STDCHAR *s;
2916 if (PL_op->op_flags & OPf_REF)
2918 else if (isGV(TOPs))
2920 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2921 gv = (GV*)SvRV(POPs);
2927 if (gv == PL_defgv) {
2929 io = GvIO(PL_statgv);
2932 goto really_filename;
2937 PL_laststatval = -1;
2938 sv_setpv(PL_statname, "");
2939 io = GvIO(PL_statgv);
2941 if (io && IoIFP(io)) {
2942 if (! PerlIO_has_base(IoIFP(io)))
2943 DIE(aTHX_ "-T and -B not implemented on filehandles");
2944 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
2945 if (PL_laststatval < 0)
2947 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
2948 if (PL_op->op_type == OP_FTTEXT)
2952 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2953 i = PerlIO_getc(IoIFP(io));
2955 (void)PerlIO_ungetc(IoIFP(io),i);
2957 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2959 len = PerlIO_get_bufsiz(IoIFP(io));
2960 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2961 /* sfio can have large buffers - limit to 512 */
2966 if (ckWARN(WARN_UNOPENED))
2967 Perl_warner(aTHX_ WARN_UNOPENED, "Test on unopened file <%s>",
2968 GvENAME(cGVOP->op_gv));
2969 SETERRNO(EBADF,RMS$_IFI);
2977 PL_laststatval = -1;
2978 sv_setpv(PL_statname, SvPV(sv, n_a));
2980 i = PerlLIO_open3(SvPV(sv, n_a), O_RDONLY, 0);
2982 i = PerlLIO_open(SvPV(sv, n_a), 0);
2985 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
2986 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
2989 PL_laststatval = PerlLIO_fstat(i, &PL_statcache);
2990 if (PL_laststatval < 0)
2992 len = PerlLIO_read(i, tbuf, 512);
2993 (void)PerlLIO_close(i);
2995 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
2996 RETPUSHNO; /* special case NFS directories */
2997 RETPUSHYES; /* null file is anything */
3002 /* now scan s to look for textiness */
3003 /* XXX ASCII dependent code */
3005 for (i = 0; i < len; i++, s++) {
3006 if (!*s) { /* null never allowed in text */
3011 else if (!(isPRINT(*s) || isSPACE(*s)))
3017 *s != '\n' && *s != '\r' && *s != '\b' &&
3018 *s != '\t' && *s != '\f' && *s != 27)
3023 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3047 if (!tmps || !*tmps) {
3048 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3050 tmps = SvPV(*svp, n_a);
3052 if (!tmps || !*tmps) {
3053 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3055 tmps = SvPV(*svp, n_a);
3058 if (!tmps || !*tmps) {
3059 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3061 tmps = SvPV(*svp, n_a);
3064 TAINT_PROPER("chdir");
3065 PUSHi( PerlDir_chdir(tmps) >= 0 );
3067 /* Clear the DEFAULT element of ENV so we'll get the new value
3069 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3076 djSP; dMARK; dTARGET;
3079 value = (I32)apply(PL_op->op_type, MARK, SP);
3084 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3095 TAINT_PROPER("chroot");
3096 PUSHi( chroot(tmps) >= 0 );
3099 DIE(aTHX_ PL_no_func, "chroot");
3105 djSP; dMARK; dTARGET;
3107 value = (I32)apply(PL_op->op_type, MARK, SP);
3115 djSP; dMARK; dTARGET;
3117 value = (I32)apply(PL_op->op_type, MARK, SP);
3125 djSP; dMARK; dTARGET;
3127 value = (I32)apply(PL_op->op_type, MARK, SP);
3139 char *tmps2 = POPpx;
3140 char *tmps = SvPV(TOPs, n_a);
3141 TAINT_PROPER("rename");
3143 anum = PerlLIO_rename(tmps, tmps2);
3145 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3146 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3149 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3150 (void)UNLINK(tmps2);
3151 if (!(anum = link(tmps, tmps2)))
3152 anum = UNLINK(tmps);
3165 char *tmps2 = POPpx;
3166 char *tmps = SvPV(TOPs, n_a);
3167 TAINT_PROPER("link");
3168 SETi( link(tmps, tmps2) >= 0 );
3170 DIE(aTHX_ PL_no_func, "Unsupported function link");
3180 char *tmps2 = POPpx;
3181 char *tmps = SvPV(TOPs, n_a);
3182 TAINT_PROPER("symlink");
3183 SETi( symlink(tmps, tmps2) >= 0 );
3186 DIE(aTHX_ PL_no_func, "symlink");
3195 char buf[MAXPATHLEN];
3199 #ifndef INCOMPLETE_TAINTS
3203 len = readlink(tmps, buf, sizeof buf);
3211 RETSETUNDEF; /* just pretend it's a normal file */
3215 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3217 S_dooneliner(pTHX_ char *cmd, char *filename)
3219 char *save_filename = filename;
3225 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3226 strcpy(cmdline, cmd);
3227 strcat(cmdline, " ");
3228 for (s = cmdline + strlen(cmdline); *filename; ) {
3233 myfp = PerlProc_popen(cmdline, "r");
3237 SV *tmpsv = sv_newmortal();
3238 /* Need to save/restore 'PL_rs' ?? */
3239 s = sv_gets(tmpsv, myfp, 0);
3240 (void)PerlProc_pclose(myfp);
3244 #ifdef HAS_SYS_ERRLIST
3249 /* you don't see this */
3251 #ifdef HAS_SYS_ERRLIST
3259 if (instr(s, errmsg)) {
3266 #define EACCES EPERM
3268 if (instr(s, "cannot make"))
3269 SETERRNO(EEXIST,RMS$_FEX);
3270 else if (instr(s, "existing file"))
3271 SETERRNO(EEXIST,RMS$_FEX);
3272 else if (instr(s, "ile exists"))
3273 SETERRNO(EEXIST,RMS$_FEX);
3274 else if (instr(s, "non-exist"))
3275 SETERRNO(ENOENT,RMS$_FNF);
3276 else if (instr(s, "does not exist"))
3277 SETERRNO(ENOENT,RMS$_FNF);
3278 else if (instr(s, "not empty"))
3279 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3280 else if (instr(s, "cannot access"))
3281 SETERRNO(EACCES,RMS$_PRV);
3283 SETERRNO(EPERM,RMS$_PRV);
3286 else { /* some mkdirs return no failure indication */
3287 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3288 if (PL_op->op_type == OP_RMDIR)
3293 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3310 char *tmps = SvPV(TOPs, n_a);
3312 TAINT_PROPER("mkdir");
3314 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3316 SETi( dooneliner("mkdir", tmps) );
3317 oldumask = PerlLIO_umask(0);
3318 PerlLIO_umask(oldumask);
3319 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3331 TAINT_PROPER("rmdir");
3333 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3335 XPUSHi( dooneliner("rmdir", tmps) );
3340 /* Directory calls. */
3345 #if defined(Direntry_t) && defined(HAS_READDIR)
3347 char *dirname = POPpx;
3349 register IO *io = GvIOn(gv);
3355 PerlDir_close(IoDIRP(io));
3356 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3362 SETERRNO(EBADF,RMS$_DIR);
3365 DIE(aTHX_ PL_no_dir_func, "opendir");
3372 #if defined(Direntry_t) && defined(HAS_READDIR)
3374 Direntry_t *readdir (DIR *);
3376 register Direntry_t *dp;
3378 register IO *io = GvIOn(gv);
3381 if (!io || !IoDIRP(io))
3384 if (GIMME == G_ARRAY) {
3386 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3388 sv = newSVpvn(dp->d_name, dp->d_namlen);
3390 sv = newSVpv(dp->d_name, 0);
3392 #ifndef INCOMPLETE_TAINTS
3395 XPUSHs(sv_2mortal(sv));
3399 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3402 sv = newSVpvn(dp->d_name, dp->d_namlen);
3404 sv = newSVpv(dp->d_name, 0);
3406 #ifndef INCOMPLETE_TAINTS
3409 XPUSHs(sv_2mortal(sv));
3415 SETERRNO(EBADF,RMS$_ISI);
3416 if (GIMME == G_ARRAY)
3421 DIE(aTHX_ PL_no_dir_func, "readdir");
3428 #if defined(HAS_TELLDIR) || defined(telldir)
3429 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3430 /* XXX netbsd still seemed to.
3431 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3432 --JHI 1999-Feb-02 */
3433 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3434 long telldir (DIR *);
3437 register IO *io = GvIOn(gv);
3439 if (!io || !IoDIRP(io))
3442 PUSHi( PerlDir_tell(IoDIRP(io)) );
3446 SETERRNO(EBADF,RMS$_ISI);
3449 DIE(aTHX_ PL_no_dir_func, "telldir");
3456 #if defined(HAS_SEEKDIR) || defined(seekdir)
3459 register IO *io = GvIOn(gv);
3461 if (!io || !IoDIRP(io))
3464 (void)PerlDir_seek(IoDIRP(io), along);
3469 SETERRNO(EBADF,RMS$_ISI);
3472 DIE(aTHX_ PL_no_dir_func, "seekdir");
3479 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3481 register IO *io = GvIOn(gv);
3483 if (!io || !IoDIRP(io))
3486 (void)PerlDir_rewind(IoDIRP(io));
3490 SETERRNO(EBADF,RMS$_ISI);
3493 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3500 #if defined(Direntry_t) && defined(HAS_READDIR)
3502 register IO *io = GvIOn(gv);
3504 if (!io || !IoDIRP(io))
3507 #ifdef VOID_CLOSEDIR
3508 PerlDir_close(IoDIRP(io));
3510 if (PerlDir_close(IoDIRP(io)) < 0) {
3511 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3520 SETERRNO(EBADF,RMS$_IFI);
3523 DIE(aTHX_ PL_no_dir_func, "closedir");
3527 /* Process control. */
3537 PERL_FLUSHALL_FOR_CHILD;
3543 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3544 sv_setiv(GvSV(tmpgv), (IV)getpid());
3545 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3550 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3556 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3561 childpid = wait4pid(-1, &argflags, 0);
3562 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3566 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3572 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3580 childpid = wait4pid(childpid, &argflags, optype);
3581 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3585 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3591 djSP; dMARK; dORIGMARK; dTARGET;
3596 Sigsave_t ihand,qhand; /* place to save signals during system() */
3601 if (SP - MARK == 1) {
3603 char *junk = SvPV(TOPs, n_a);
3605 TAINT_PROPER("system");
3608 PERL_FLUSHALL_FOR_CHILD;
3609 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3610 if (PerlProc_pipe(pp) >= 0)
3612 while ((childpid = vfork()) == -1) {
3613 if (errno != EAGAIN) {
3618 PerlLIO_close(pp[0]);
3619 PerlLIO_close(pp[1]);
3627 PerlLIO_close(pp[1]);
3628 rsignal_save(SIGINT, SIG_IGN, &ihand);
3629 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3631 result = wait4pid(childpid, &status, 0);
3632 } while (result == -1 && errno == EINTR);
3633 (void)rsignal_restore(SIGINT, &ihand);
3634 (void)rsignal_restore(SIGQUIT, &qhand);
3635 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3636 do_execfree(); /* free any memory child malloced on vfork */
3642 while (n < sizeof(int)) {
3643 n1 = PerlLIO_read(pp[0],
3644 (void*)(((char*)&errkid)+n),
3650 PerlLIO_close(pp[0]);
3651 if (n) { /* Error */
3652 if (n != sizeof(int))
3653 DIE(aTHX_ "panic: kid popen errno read");
3654 errno = errkid; /* Propagate errno from kid */
3655 STATUS_CURRENT = -1;
3658 PUSHi(STATUS_CURRENT);
3662 PerlLIO_close(pp[0]);
3663 #if defined(HAS_FCNTL) && defined(F_SETFD)
3664 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3667 if (PL_op->op_flags & OPf_STACKED) {
3668 SV *really = *++MARK;
3669 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3671 else if (SP - MARK != 1)
3672 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3674 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3677 #else /* ! FORK or VMS or OS/2 */
3678 if (PL_op->op_flags & OPf_STACKED) {
3679 SV *really = *++MARK;
3680 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3682 else if (SP - MARK != 1)
3683 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3685 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3687 STATUS_NATIVE_SET(value);
3690 PUSHi(STATUS_CURRENT);
3691 #endif /* !FORK or VMS */
3697 djSP; dMARK; dORIGMARK; dTARGET;
3701 PERL_FLUSHALL_FOR_CHILD;
3702 if (PL_op->op_flags & OPf_STACKED) {
3703 SV *really = *++MARK;
3704 value = (I32)do_aexec(really, MARK, SP);
3706 else if (SP - MARK != 1)
3708 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3712 (void ) do_aspawn(Nullsv, MARK, SP);
3716 value = (I32)do_aexec(Nullsv, MARK, SP);
3721 char *junk = SvPV(*SP, n_a);
3723 TAINT_PROPER("exec");
3726 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3729 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3732 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3743 djSP; dMARK; dTARGET;
3746 value = (I32)apply(PL_op->op_type, MARK, SP);
3751 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3759 XPUSHi( getppid() );
3762 DIE(aTHX_ PL_no_func, "getppid");
3778 pgrp = (I32)BSD_GETPGRP(pid);
3780 if (pid != 0 && pid != getpid())
3781 DIE(aTHX_ "POSIX getpgrp can't take an argument");
3787 DIE(aTHX_ PL_no_func, "getpgrp()");
3806 TAINT_PROPER("setpgrp");
3808 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3810 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3811 DIE(aTHX_ "setpgrp can't take arguments");
3812 SETi( setpgrp() >= 0 );
3813 #endif /* USE_BSDPGRP */
3816 DIE(aTHX_ PL_no_func, "setpgrp()");
3825 #ifdef HAS_GETPRIORITY
3828 SETi( getpriority(which, who) );
3831 DIE(aTHX_ PL_no_func, "getpriority()");
3841 #ifdef HAS_SETPRIORITY
3845 TAINT_PROPER("setpriority");
3846 SETi( setpriority(which, who, niceval) >= 0 );
3849 DIE(aTHX_ PL_no_func, "setpriority()");
3859 XPUSHn( time(Null(Time_t*)) );
3861 XPUSHi( time(Null(Time_t*)) );
3866 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3867 to HZ. Probably. For now, assume that if the system
3868 defines HZ, it does so correctly. (Will this break
3870 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3871 it's supported. --AD 9/96.
3887 DIE(aTHX_ "times not implemented");
3892 (void)PerlProc_times(&PL_timesbuf);
3894 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3895 /* struct tms, though same data */
3899 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
3900 if (GIMME == G_ARRAY) {
3901 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
3902 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
3903 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
3906 #endif /* HAS_TIMES */
3919 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3920 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3921 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3927 when = (Time_t)SvNVx(POPs);
3929 when = (Time_t)SvIVx(POPs);
3932 if (PL_op->op_type == OP_LOCALTIME)
3933 tmbuf = localtime(&when);
3935 tmbuf = gmtime(&when);
3939 if (GIMME != G_ARRAY) {
3944 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
3945 dayname[tmbuf->tm_wday],
3946 monname[tmbuf->tm_mon],
3951 tmbuf->tm_year + 1900);
3952 PUSHs(sv_2mortal(tsv));
3955 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
3956 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
3957 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
3958 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
3959 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
3960 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
3961 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
3962 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
3963 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
3974 anum = alarm((unsigned int)anum);
3981 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
3992 (void)time(&lasttime);
3997 PerlProc_sleep((unsigned int)duration);
4000 XPUSHi(when - lasttime);
4004 /* Shared memory. */
4018 return pp_shmwrite();
4023 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4024 djSP; dMARK; dTARGET;
4025 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4034 /* Message passing. */
4048 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4049 djSP; dMARK; dTARGET;
4050 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4061 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4062 djSP; dMARK; dTARGET;
4063 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4076 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4077 djSP; dMARK; dTARGET;
4078 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4085 DIE(aTHX_ "System V IPC is not implemented on this machine");
4091 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4092 djSP; dMARK; dTARGET;
4093 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4101 PUSHp(zero_but_true, ZBTLEN);
4111 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4112 djSP; dMARK; dTARGET;
4113 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4122 /* Get system info. */
4126 #ifdef HAS_GETHOSTBYNAME
4127 return pp_ghostent();
4129 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4135 #ifdef HAS_GETHOSTBYADDR
4136 return pp_ghostent();
4138 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4145 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4146 I32 which = PL_op->op_type;
4147 register char **elem;
4149 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4150 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4151 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4152 struct hostent *PerlSock_gethostent(void);
4154 struct hostent *hent;
4159 if (which == OP_GHBYNAME)
4160 #ifdef HAS_GETHOSTBYNAME
4161 hent = PerlSock_gethostbyname(POPpx);
4163 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4165 else if (which == OP_GHBYADDR) {
4166 #ifdef HAS_GETHOSTBYADDR
4167 int addrtype = POPi;
4170 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4172 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4174 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4178 #ifdef HAS_GETHOSTENT
4179 hent = PerlSock_gethostent();
4181 DIE(aTHX_ PL_no_sock_func, "gethostent");
4184 #ifdef HOST_NOT_FOUND
4186 STATUS_NATIVE_SET(h_errno);
4189 if (GIMME != G_ARRAY) {
4190 PUSHs(sv = sv_newmortal());
4192 if (which == OP_GHBYNAME) {
4194 sv_setpvn(sv, hent->h_addr, hent->h_length);
4197 sv_setpv(sv, (char*)hent->h_name);
4203 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4204 sv_setpv(sv, (char*)hent->h_name);
4205 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4206 for (elem = hent->h_aliases; elem && *elem; elem++) {
4207 sv_catpv(sv, *elem);
4209 sv_catpvn(sv, " ", 1);
4211 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4212 sv_setiv(sv, (IV)hent->h_addrtype);
4213 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4214 len = hent->h_length;
4215 sv_setiv(sv, (IV)len);
4217 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4218 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4219 sv_setpvn(sv, *elem, len);
4222 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4224 sv_setpvn(sv, hent->h_addr, len);
4229 DIE(aTHX_ PL_no_sock_func, "gethostent");
4235 #ifdef HAS_GETNETBYNAME
4236 return pp_gnetent();
4238 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4244 #ifdef HAS_GETNETBYADDR
4245 return pp_gnetent();
4247 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4254 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4255 I32 which = PL_op->op_type;
4256 register char **elem;
4258 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4259 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4260 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4261 struct netent *PerlSock_getnetent(void);
4263 struct netent *nent;
4266 if (which == OP_GNBYNAME)
4267 #ifdef HAS_GETNETBYNAME
4268 nent = PerlSock_getnetbyname(POPpx);
4270 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4272 else if (which == OP_GNBYADDR) {
4273 #ifdef HAS_GETNETBYADDR
4274 int addrtype = POPi;
4275 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4276 nent = PerlSock_getnetbyaddr(addr, addrtype);
4278 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4282 #ifdef HAS_GETNETENT
4283 nent = PerlSock_getnetent();
4285 DIE(aTHX_ PL_no_sock_func, "getnetent");
4289 if (GIMME != G_ARRAY) {
4290 PUSHs(sv = sv_newmortal());
4292 if (which == OP_GNBYNAME)
4293 sv_setiv(sv, (IV)nent->n_net);
4295 sv_setpv(sv, nent->n_name);
4301 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4302 sv_setpv(sv, nent->n_name);
4303 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4304 for (elem = nent->n_aliases; elem && *elem; elem++) {
4305 sv_catpv(sv, *elem);
4307 sv_catpvn(sv, " ", 1);
4309 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4310 sv_setiv(sv, (IV)nent->n_addrtype);
4311 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4312 sv_setiv(sv, (IV)nent->n_net);
4317 DIE(aTHX_ PL_no_sock_func, "getnetent");
4323 #ifdef HAS_GETPROTOBYNAME
4324 return pp_gprotoent();
4326 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4332 #ifdef HAS_GETPROTOBYNUMBER
4333 return pp_gprotoent();
4335 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4342 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4343 I32 which = PL_op->op_type;
4344 register char **elem;
4346 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4347 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4348 struct protoent *PerlSock_getprotobynumber(int);
4349 struct protoent *PerlSock_getprotoent(void);
4351 struct protoent *pent;
4354 if (which == OP_GPBYNAME)
4355 #ifdef HAS_GETPROTOBYNAME
4356 pent = PerlSock_getprotobyname(POPpx);
4358 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4360 else if (which == OP_GPBYNUMBER)
4361 #ifdef HAS_GETPROTOBYNUMBER
4362 pent = PerlSock_getprotobynumber(POPi);
4364 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4367 #ifdef HAS_GETPROTOENT
4368 pent = PerlSock_getprotoent();
4370 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4374 if (GIMME != G_ARRAY) {
4375 PUSHs(sv = sv_newmortal());
4377 if (which == OP_GPBYNAME)
4378 sv_setiv(sv, (IV)pent->p_proto);
4380 sv_setpv(sv, pent->p_name);
4386 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4387 sv_setpv(sv, pent->p_name);
4388 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4389 for (elem = pent->p_aliases; elem && *elem; elem++) {
4390 sv_catpv(sv, *elem);
4392 sv_catpvn(sv, " ", 1);
4394 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4395 sv_setiv(sv, (IV)pent->p_proto);
4400 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4406 #ifdef HAS_GETSERVBYNAME
4407 return pp_gservent();
4409 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4415 #ifdef HAS_GETSERVBYPORT
4416 return pp_gservent();
4418 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4425 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4426 I32 which = PL_op->op_type;
4427 register char **elem;
4429 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4430 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4431 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4432 struct servent *PerlSock_getservent(void);
4434 struct servent *sent;
4437 if (which == OP_GSBYNAME) {
4438 #ifdef HAS_GETSERVBYNAME
4439 char *proto = POPpx;
4442 if (proto && !*proto)
4445 sent = PerlSock_getservbyname(name, proto);
4447 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4450 else if (which == OP_GSBYPORT) {
4451 #ifdef HAS_GETSERVBYPORT
4452 char *proto = POPpx;
4453 unsigned short port = POPu;
4456 port = PerlSock_htons(port);
4458 sent = PerlSock_getservbyport(port, proto);
4460 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4464 #ifdef HAS_GETSERVENT
4465 sent = PerlSock_getservent();
4467 DIE(aTHX_ PL_no_sock_func, "getservent");
4471 if (GIMME != G_ARRAY) {
4472 PUSHs(sv = sv_newmortal());
4474 if (which == OP_GSBYNAME) {
4476 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4478 sv_setiv(sv, (IV)(sent->s_port));
4482 sv_setpv(sv, sent->s_name);
4488 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4489 sv_setpv(sv, sent->s_name);
4490 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4491 for (elem = sent->s_aliases; elem && *elem; elem++) {
4492 sv_catpv(sv, *elem);
4494 sv_catpvn(sv, " ", 1);
4496 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4498 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4500 sv_setiv(sv, (IV)(sent->s_port));
4502 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4503 sv_setpv(sv, sent->s_proto);
4508 DIE(aTHX_ PL_no_sock_func, "getservent");
4515 #ifdef HAS_SETHOSTENT
4516 PerlSock_sethostent(TOPi);
4519 DIE(aTHX_ PL_no_sock_func, "sethostent");
4526 #ifdef HAS_SETNETENT
4527 PerlSock_setnetent(TOPi);
4530 DIE(aTHX_ PL_no_sock_func, "setnetent");
4537 #ifdef HAS_SETPROTOENT
4538 PerlSock_setprotoent(TOPi);
4541 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4548 #ifdef HAS_SETSERVENT
4549 PerlSock_setservent(TOPi);
4552 DIE(aTHX_ PL_no_sock_func, "setservent");
4559 #ifdef HAS_ENDHOSTENT
4560 PerlSock_endhostent();
4564 DIE(aTHX_ PL_no_sock_func, "endhostent");
4571 #ifdef HAS_ENDNETENT
4572 PerlSock_endnetent();
4576 DIE(aTHX_ PL_no_sock_func, "endnetent");
4583 #ifdef HAS_ENDPROTOENT
4584 PerlSock_endprotoent();
4588 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4595 #ifdef HAS_ENDSERVENT
4596 PerlSock_endservent();
4600 DIE(aTHX_ PL_no_sock_func, "endservent");
4609 DIE(aTHX_ PL_no_func, "getpwnam");
4618 DIE(aTHX_ PL_no_func, "getpwuid");
4625 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4626 I32 which = PL_op->op_type;
4628 struct passwd *pwent;
4630 #if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4631 struct spwd *spwent = NULL;
4634 if (which == OP_GPWNAM)
4635 pwent = getpwnam(POPpx);
4636 else if (which == OP_GPWUID)
4637 pwent = getpwuid(POPi);
4639 pwent = (struct passwd *)getpwent();
4642 if (which == OP_GPWNAM) {
4644 spwent = getspnam(pwent->pw_name);
4646 # ifdef HAS_GETSPUID /* AFAIK there isn't any anywhere. --jhi */
4647 else if (which == OP_GPWUID) {
4649 spwent = getspnam(pwent->pw_name);
4652 # ifdef HAS_GETSPENT
4654 spwent = (struct spwd *)getspent();
4659 if (GIMME != G_ARRAY) {
4660 PUSHs(sv = sv_newmortal());
4662 if (which == OP_GPWNAM)
4663 sv_setiv(sv, (IV)pwent->pw_uid);
4665 sv_setpv(sv, pwent->pw_name);
4671 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4672 sv_setpv(sv, pwent->pw_name);
4674 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4676 # if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4678 sv_setpv(sv, spwent->sp_pwdp);
4680 sv_setpv(sv, pwent->pw_passwd);
4682 sv_setpv(sv, pwent->pw_passwd);
4686 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4687 sv_setiv(sv, (IV)pwent->pw_uid);
4689 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4690 sv_setiv(sv, (IV)pwent->pw_gid);
4692 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4693 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4695 sv_setiv(sv, (IV)pwent->pw_change);
4698 sv_setiv(sv, (IV)pwent->pw_quota);
4701 sv_setpv(sv, pwent->pw_age);
4706 /* pw_class and pw_comment are mutually exclusive. */
4707 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4709 sv_setpv(sv, pwent->pw_class);
4712 sv_setpv(sv, pwent->pw_comment);
4716 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4718 sv_setpv(sv, pwent->pw_gecos);
4720 #ifndef INCOMPLETE_TAINTS
4721 /* pw_gecos is tainted because user himself can diddle with it. */
4725 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4726 sv_setpv(sv, pwent->pw_dir);
4728 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4729 sv_setpv(sv, pwent->pw_shell);
4732 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4733 sv_setiv(sv, (IV)pwent->pw_expire);
4738 DIE(aTHX_ PL_no_func, "getpwent");
4745 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
4747 # ifdef HAS_SETSPENT
4752 DIE(aTHX_ PL_no_func, "setpwent");
4759 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4761 # ifdef HAS_ENDSPENT
4766 DIE(aTHX_ PL_no_func, "endpwent");
4775 DIE(aTHX_ PL_no_func, "getgrnam");
4784 DIE(aTHX_ PL_no_func, "getgrgid");
4791 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4792 I32 which = PL_op->op_type;
4793 register char **elem;
4795 struct group *grent;
4798 if (which == OP_GGRNAM)
4799 grent = (struct group *)getgrnam(POPpx);
4800 else if (which == OP_GGRGID)
4801 grent = (struct group *)getgrgid(POPi);
4803 grent = (struct group *)getgrent();
4806 if (GIMME != G_ARRAY) {
4807 PUSHs(sv = sv_newmortal());
4809 if (which == OP_GGRNAM)
4810 sv_setiv(sv, (IV)grent->gr_gid);
4812 sv_setpv(sv, grent->gr_name);
4818 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4819 sv_setpv(sv, grent->gr_name);
4821 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4823 sv_setpv(sv, grent->gr_passwd);
4826 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4827 sv_setiv(sv, (IV)grent->gr_gid);
4829 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4830 for (elem = grent->gr_mem; elem && *elem; elem++) {
4831 sv_catpv(sv, *elem);
4833 sv_catpvn(sv, " ", 1);
4839 DIE(aTHX_ PL_no_func, "getgrent");
4846 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4850 DIE(aTHX_ PL_no_func, "setgrent");
4857 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4861 DIE(aTHX_ PL_no_func, "endgrent");
4871 if (!(tmps = PerlProc_getlogin()))
4873 PUSHp(tmps, strlen(tmps));
4876 DIE(aTHX_ PL_no_func, "getlogin");
4880 /* Miscellaneous. */
4885 djSP; dMARK; dORIGMARK; dTARGET;
4886 register I32 items = SP - MARK;
4887 unsigned long a[20];
4894 while (++MARK <= SP) {
4895 if (SvTAINTED(*MARK)) {
4901 TAINT_PROPER("syscall");
4904 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4905 * or where sizeof(long) != sizeof(char*). But such machines will
4906 * not likely have syscall implemented either, so who cares?
4908 while (++MARK <= SP) {
4909 if (SvNIOK(*MARK) || !i)
4910 a[i++] = SvIV(*MARK);
4911 else if (*MARK == &PL_sv_undef)
4914 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
4920 DIE(aTHX_ "Too many args to syscall");
4922 DIE(aTHX_ "Too few args to syscall");
4924 retval = syscall(a[0]);
4927 retval = syscall(a[0],a[1]);
4930 retval = syscall(a[0],a[1],a[2]);
4933 retval = syscall(a[0],a[1],a[2],a[3]);
4936 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4939 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4942 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4945 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4949 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4952 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4955 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4959 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4963 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4967 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4968 a[10],a[11],a[12],a[13]);
4970 #endif /* atarist */
4976 DIE(aTHX_ PL_no_func, "syscall");
4980 #ifdef FCNTL_EMULATE_FLOCK
4982 /* XXX Emulate flock() with fcntl().
4983 What's really needed is a good file locking module.
4987 fcntl_emulate_flock(int fd, int operation)
4991 switch (operation & ~LOCK_NB) {
4993 flock.l_type = F_RDLCK;
4996 flock.l_type = F_WRLCK;
4999 flock.l_type = F_UNLCK;
5005 flock.l_whence = SEEK_SET;
5006 flock.l_start = flock.l_len = (Off_t)0;
5008 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5011 #endif /* FCNTL_EMULATE_FLOCK */
5013 #ifdef LOCKF_EMULATE_FLOCK
5015 /* XXX Emulate flock() with lockf(). This is just to increase
5016 portability of scripts. The calls are not completely
5017 interchangeable. What's really needed is a good file
5021 /* The lockf() constants might have been defined in <unistd.h>.
5022 Unfortunately, <unistd.h> causes troubles on some mixed
5023 (BSD/POSIX) systems, such as SunOS 4.1.3.
5025 Further, the lockf() constants aren't POSIX, so they might not be
5026 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5027 just stick in the SVID values and be done with it. Sigh.
5031 # define F_ULOCK 0 /* Unlock a previously locked region */
5034 # define F_LOCK 1 /* Lock a region for exclusive use */
5037 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5040 # define F_TEST 3 /* Test a region for other processes locks */
5044 lockf_emulate_flock(int fd, int operation)
5050 /* flock locks entire file so for lockf we need to do the same */
5052 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5053 if (pos > 0) /* is seekable and needs to be repositioned */
5054 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5055 pos = -1; /* seek failed, so don't seek back afterwards */
5058 switch (operation) {
5060 /* LOCK_SH - get a shared lock */
5062 /* LOCK_EX - get an exclusive lock */
5064 i = lockf (fd, F_LOCK, 0);
5067 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5068 case LOCK_SH|LOCK_NB:
5069 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5070 case LOCK_EX|LOCK_NB:
5071 i = lockf (fd, F_TLOCK, 0);
5073 if ((errno == EAGAIN) || (errno == EACCES))
5074 errno = EWOULDBLOCK;
5077 /* LOCK_UN - unlock (non-blocking is a no-op) */
5079 case LOCK_UN|LOCK_NB:
5080 i = lockf (fd, F_ULOCK, 0);
5083 /* Default - can't decipher operation */
5090 if (pos > 0) /* need to restore position of the handle */
5091 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5096 #endif /* LOCKF_EMULATE_FLOCK */