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)) {
829 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
830 Perl_warner(aTHX_ WARN_UNTIE,
831 "untie attempted while %" PERL_PRIu64 " inner references still exist",
832 (UV)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
834 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
835 Perl_warner(aTHX_ WARN_UNTIE,
836 "untie attempted while %lu inner references still exist",
837 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
850 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
853 if (mg = SvTIED_mg(sv, how)) {
854 SV *osv = SvTIED_obj(sv, mg);
855 if (osv == mg->mg_obj)
856 osv = sv_mortalcopy(osv);
874 sv = sv_mortalcopy(&PL_sv_no);
875 sv_setpv(sv, "AnyDBM_File");
876 stash = gv_stashsv(sv, FALSE);
877 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
879 require_pv("AnyDBM_File.pm");
881 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
882 DIE(aTHX_ "No dbm on this machine");
892 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
894 PUSHs(sv_2mortal(newSViv(O_RDWR)));
897 call_sv((SV*)GvCV(gv), G_SCALAR);
900 if (!sv_isobject(TOPs)) {
905 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
908 call_sv((SV*)GvCV(gv), G_SCALAR);
912 if (sv_isobject(TOPs)) {
913 sv_unmagic((SV *) hv, 'P');
914 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
936 struct timeval timebuf;
937 struct timeval *tbuf = &timebuf;
941 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
946 # if BYTEORDER & 0xf0000
947 # define ORDERBYTE (0x88888888 - BYTEORDER)
949 # define ORDERBYTE (0x4444 - BYTEORDER)
955 for (i = 1; i <= 3; i++) {
963 /* little endians can use vecs directly */
964 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
965 # if SELECT_MIN_BITS > 1
966 /* If SELECT_MIN_BITS is greater than one we most probably will want
967 * to align the sizes with SELECT_MIN_BITS/8 because for example
968 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
969 * UNIX, Solaris, NeXT, Rhapsody) the smallest quantum select() operates
970 * on (sets/tests/clears bits) is 32 bits. */
971 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
973 growsize = sizeof(fd_set);
982 masksize = NFDBITS / NBBY;
984 masksize = sizeof(long); /* documented int, everyone seems to use long */
986 growsize = maxlen + (masksize - (maxlen % masksize));
987 Zero(&fd_sets[0], 4, char*);
995 timebuf.tv_sec = (long)value;
996 value -= (NV)timebuf.tv_sec;
997 timebuf.tv_usec = (long)(value * 1000000.0);
1000 tbuf = Null(struct timeval*);
1002 for (i = 1; i <= 3; i++) {
1008 else if (!SvPOK(sv))
1009 SvPV_force(sv,n_a); /* force string conversion */
1012 Sv_Grow(sv, growsize);
1016 while (++j <= growsize) {
1020 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1022 New(403, fd_sets[i], growsize, char);
1023 for (offset = 0; offset < growsize; offset += masksize) {
1024 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1025 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1028 fd_sets[i] = SvPVX(sv);
1032 nfound = PerlSock_select(
1034 (Select_fd_set_t) fd_sets[1],
1035 (Select_fd_set_t) fd_sets[2],
1036 (Select_fd_set_t) fd_sets[3],
1038 for (i = 1; i <= 3; i++) {
1041 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1043 for (offset = 0; offset < growsize; offset += masksize) {
1044 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1045 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1047 Safefree(fd_sets[i]);
1054 if (GIMME == G_ARRAY && tbuf) {
1055 value = (NV)(timebuf.tv_sec) +
1056 (NV)(timebuf.tv_usec) / 1000000.0;
1057 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1058 sv_setnv(sv, value);
1062 DIE(aTHX_ "select not implemented");
1067 Perl_setdefout(pTHX_ GV *gv)
1071 (void)SvREFCNT_inc(gv);
1073 SvREFCNT_dec(PL_defoutgv);
1080 GV *newdefout, *egv;
1083 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1085 egv = GvEGV(PL_defoutgv);
1090 XPUSHs(&PL_sv_undef);
1092 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1093 if (gvp && *gvp == egv) {
1094 gv_efullname3(TARG, PL_defoutgv, Nullch);
1098 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1103 if (!GvIO(newdefout))
1104 gv_IOadd(newdefout);
1105 setdefout(newdefout);
1124 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1125 I32 gimme = GIMME_V;
1127 XPUSHs(SvTIED_obj((SV*)gv, mg));
1130 call_method("GETC", gimme);
1133 if (gimme == G_SCALAR)
1134 SvSetMagicSV_nosteal(TARG, TOPs);
1137 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1140 sv_setpv(TARG, " ");
1141 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1148 return pp_sysread();
1152 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1155 register PERL_CONTEXT *cx;
1156 I32 gimme = GIMME_V;
1157 AV* padlist = CvPADLIST(cv);
1158 SV** svp = AvARRAY(padlist);
1164 PUSHBLOCK(cx, CXt_SUB, PL_stack_sp);
1166 SAVESPTR(PL_curpad);
1167 PL_curpad = AvARRAY((AV*)svp[1]);
1169 setdefout(gv); /* locally select filehandle so $% et al work */
1201 SV *tmpsv = sv_newmortal();
1202 gv_efullname3(tmpsv, fgv, Nullch);
1203 DIE(aTHX_ "Undefined format \"%s\" called",SvPVX(tmpsv));
1205 DIE(aTHX_ "Not a format reference");
1208 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1210 IoFLAGS(io) &= ~IOf_DIDTOP;
1211 return doform(cv,gv,PL_op->op_next);
1217 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1218 register IO *io = GvIOp(gv);
1219 PerlIO *ofp = IoOFP(io);
1223 register PERL_CONTEXT *cx;
1225 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1226 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1227 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1228 PL_formtarget != PL_toptarget)
1232 if (!IoTOP_GV(io)) {
1236 if (!IoTOP_NAME(io)) {
1237 if (!IoFMT_NAME(io))
1238 IoFMT_NAME(io) = savepv(GvNAME(gv));
1239 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1240 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1241 if ((topgv && GvFORM(topgv)) ||
1242 !gv_fetchpv("top",FALSE,SVt_PVFM))
1243 IoTOP_NAME(io) = savepv(SvPVX(topname));
1245 IoTOP_NAME(io) = savepv("top");
1247 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1248 if (!topgv || !GvFORM(topgv)) {
1249 IoLINES_LEFT(io) = 100000000;
1252 IoTOP_GV(io) = topgv;
1254 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1255 I32 lines = IoLINES_LEFT(io);
1256 char *s = SvPVX(PL_formtarget);
1257 if (lines <= 0) /* Yow, header didn't even fit!!! */
1259 while (lines-- > 0) {
1260 s = strchr(s, '\n');
1266 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1267 sv_chop(PL_formtarget, s);
1268 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1271 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1272 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1273 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1275 PL_formtarget = PL_toptarget;
1276 IoFLAGS(io) |= IOf_DIDTOP;
1279 DIE(aTHX_ "bad top format reference");
1282 SV *tmpsv = sv_newmortal();
1283 gv_efullname3(tmpsv, fgv, Nullch);
1284 DIE(aTHX_ "Undefined top format \"%s\" called",SvPVX(tmpsv));
1287 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1288 return doform(cv,gv,PL_op);
1292 POPBLOCK(cx,PL_curpm);
1298 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1299 SV* sv = sv_newmortal();
1300 gv_efullname3(sv, gv, Nullch);
1302 Perl_warner(aTHX_ WARN_IO,
1303 "Filehandle %s opened only for input",
1305 else if (ckWARN(WARN_CLOSED))
1306 Perl_warner(aTHX_ WARN_CLOSED,
1307 "Write on closed filehandle %s", SvPV_nolen(sv));
1312 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1313 if (ckWARN(WARN_IO))
1314 Perl_warner(aTHX_ WARN_IO, "page overflow");
1316 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1320 FmLINES(PL_formtarget) = 0;
1321 SvCUR_set(PL_formtarget, 0);
1322 *SvEND(PL_formtarget) = '\0';
1323 if (IoFLAGS(io) & IOf_FLUSH)
1324 (void)PerlIO_flush(fp);
1328 PL_formtarget = PL_bodytarget;
1330 return pop_return();
1335 djSP; dMARK; dORIGMARK;
1343 if (PL_op->op_flags & OPf_STACKED)
1348 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1349 if (MARK == ORIGMARK) {
1352 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1356 *MARK = SvTIED_obj((SV*)gv, mg);
1359 call_method("PRINTF", G_SCALAR);
1362 MARK = ORIGMARK + 1;
1369 if (!(io = GvIO(gv))) {
1370 if (ckWARN(WARN_UNOPENED)) {
1371 gv_efullname3(sv, gv, Nullch);
1372 Perl_warner(aTHX_ WARN_UNOPENED,
1373 "Filehandle %s never opened", SvPV(sv,n_a));
1375 SETERRNO(EBADF,RMS$_IFI);
1378 else if (!(fp = IoOFP(io))) {
1379 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1380 gv_efullname3(sv, gv, Nullch);
1382 Perl_warner(aTHX_ WARN_IO,
1383 "Filehandle %s opened only for input",
1385 else if (ckWARN(WARN_CLOSED))
1386 Perl_warner(aTHX_ WARN_CLOSED,
1387 "printf on closed filehandle %s", SvPV(sv,n_a));
1389 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1393 do_sprintf(sv, SP - MARK, MARK + 1);
1394 if (!do_print(sv, fp))
1397 if (IoFLAGS(io) & IOf_FLUSH)
1398 if (PerlIO_flush(fp) == EOF)
1409 PUSHs(&PL_sv_undef);
1430 /* Need TIEHANDLE method ? */
1432 tmps = SvPV(sv, len);
1433 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1434 IoLINES(GvIOp(gv)) = 0;
1438 PUSHs(&PL_sv_undef);
1445 djSP; dMARK; dORIGMARK; dTARGET;
1451 Sock_size_t bufsize;
1457 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1458 (mg = SvTIED_mg((SV*)gv, 'q')))
1463 *MARK = SvTIED_obj((SV*)gv, mg);
1465 call_method("READ", G_SCALAR);
1478 sv_setpvn(bufsv, "", 0);
1479 buffer = SvPV_force(bufsv, blen);
1480 length = SvIVx(*++MARK);
1482 DIE(aTHX_ "Negative length");
1485 offset = SvIVx(*++MARK);
1489 if (!io || !IoIFP(io))
1492 if (PL_op->op_type == OP_RECV) {
1493 char namebuf[MAXPATHLEN];
1494 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1495 bufsize = sizeof (struct sockaddr_in);
1497 bufsize = sizeof namebuf;
1499 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1503 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1507 buffer = SvGROW(bufsv, length+1);
1508 /* 'offset' means 'flags' here */
1509 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1510 (struct sockaddr *)namebuf, &bufsize);
1513 SvCUR_set(bufsv, length);
1514 *SvEND(bufsv) = '\0';
1515 (void)SvPOK_only(bufsv);
1517 /* This should not be marked tainted if the fp is marked clean */
1518 if (!(IoFLAGS(io) & IOf_UNTAINT))
1519 SvTAINTED_on(bufsv);
1521 sv_setpvn(TARG, namebuf, bufsize);
1526 if (PL_op->op_type == OP_RECV)
1527 DIE(aTHX_ PL_no_sock_func, "recv");
1531 DIE(aTHX_ "Offset outside string");
1534 bufsize = SvCUR(bufsv);
1535 buffer = SvGROW(bufsv, length+offset+1);
1536 if (offset > bufsize) { /* Zero any newly allocated space */
1537 Zero(buffer+bufsize, offset-bufsize, char);
1539 if (PL_op->op_type == OP_SYSREAD) {
1540 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1541 if (IoTYPE(io) == 's') {
1542 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1543 buffer+offset, length, 0);
1548 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1549 buffer+offset, length);
1553 #ifdef HAS_SOCKET__bad_code_maybe
1554 if (IoTYPE(io) == 's') {
1555 char namebuf[MAXPATHLEN];
1556 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1557 bufsize = sizeof (struct sockaddr_in);
1559 bufsize = sizeof namebuf;
1561 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1562 (struct sockaddr *)namebuf, &bufsize);
1567 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1568 /* fread() returns 0 on both error and EOF */
1569 if (length == 0 && PerlIO_error(IoIFP(io)))
1573 if ((IoTYPE(io) == '>' || IoIFP(io) == PerlIO_stdout()
1574 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1576 SV* sv = sv_newmortal();
1577 gv_efullname3(sv, gv, Nullch);
1578 Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for output",
1583 SvCUR_set(bufsv, length+offset);
1584 *SvEND(bufsv) = '\0';
1585 (void)SvPOK_only(bufsv);
1587 /* This should not be marked tainted if the fp is marked clean */
1588 if (!(IoFLAGS(io) & IOf_UNTAINT))
1589 SvTAINTED_on(bufsv);
1602 int items = (SP - PL_stack_base) - TOPMARK;
1606 sv = sv_2mortal(newSViv(sv_len(*SP)));
1615 djSP; dMARK; dORIGMARK; dTARGET;
1626 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1630 *MARK = SvTIED_obj((SV*)gv, mg);
1632 call_method("WRITE", G_SCALAR);
1643 buffer = SvPV(bufsv, blen);
1644 length = SvIVx(*++MARK);
1646 DIE(aTHX_ "Negative length");
1649 if (!io || !IoIFP(io)) {
1651 if (ckWARN(WARN_CLOSED)) {
1652 if (PL_op->op_type == OP_SYSWRITE)
1653 Perl_warner(aTHX_ WARN_CLOSED, "Syswrite on closed filehandle");
1655 Perl_warner(aTHX_ WARN_CLOSED, "Send on closed socket");
1658 else if (PL_op->op_type == OP_SYSWRITE) {
1660 offset = SvIVx(*++MARK);
1663 DIE(aTHX_ "Offset outside string");
1665 } else if (offset >= blen && blen > 0)
1666 DIE(aTHX_ "Offset outside string");
1669 if (length > blen - offset)
1670 length = blen - offset;
1671 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1672 if (IoTYPE(io) == 's') {
1673 length = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1674 buffer+offset, length, 0);
1679 /* See the note at doio.c:do_print about filesize limits. --jhi */
1680 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1681 buffer+offset, length);
1685 else if (SP > MARK) {
1688 sockbuf = SvPVx(*++MARK, mlen);
1689 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1690 (struct sockaddr *)sockbuf, mlen);
1693 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1697 DIE(aTHX_ PL_no_sock_func, "send");
1712 return pp_sysread();
1724 gv = PL_last_in_gv = (GV*)POPs;
1726 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1728 XPUSHs(SvTIED_obj((SV*)gv, mg));
1731 call_method("EOF", G_SCALAR);
1737 PUSHs(boolSV(!gv || do_eof(gv)));
1750 gv = PL_last_in_gv = (GV*)POPs;
1752 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1754 XPUSHs(SvTIED_obj((SV*)gv, mg));
1757 call_method("TELL", G_SCALAR);
1763 PUSHi( do_tell(gv) );
1769 return pp_sysseek();
1777 Off_t offset = (Off_t)SvIVx(POPs);
1780 gv = PL_last_in_gv = (GV*)POPs;
1782 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1784 XPUSHs(SvTIED_obj((SV*)gv, mg));
1785 XPUSHs(sv_2mortal(newSViv((IV) offset)));
1786 XPUSHs(sv_2mortal(newSViv((IV) whence)));
1789 call_method("SEEK", G_SCALAR);
1795 if (PL_op->op_type == OP_SEEK)
1796 PUSHs(boolSV(do_seek(gv, offset, whence)));
1798 Off_t n = do_sysseek(gv, offset, whence);
1799 PUSHs((n < 0) ? &PL_sv_undef
1800 : sv_2mortal(n ? newSViv((IV)n)
1801 : newSVpvn(zero_but_true, ZBTLEN)));
1809 Off_t len = (Off_t)POPn;
1815 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1816 if (PL_op->op_flags & OPf_SPECIAL) {
1817 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1819 TAINT_PROPER("truncate");
1820 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1822 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1824 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1833 if (SvTYPE(sv) == SVt_PVGV) {
1834 tmpgv = (GV*)sv; /* *main::FRED for example */
1837 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1838 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1842 name = SvPV(sv, n_a);
1843 TAINT_PROPER("truncate");
1845 if (truncate(name, len) < 0)
1850 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1853 if (my_chsize(tmpfd, len) < 0)
1855 PerlLIO_close(tmpfd);
1864 SETERRNO(EBADF,RMS$_IFI);
1867 DIE(aTHX_ "truncate not implemented");
1880 unsigned int func = U_I(POPn);
1881 int optype = PL_op->op_type;
1887 if (!io || !argsv || !IoIFP(io)) {
1888 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1892 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1895 s = SvPV_force(argsv, len);
1896 need = IOCPARM_LEN(func);
1898 s = Sv_Grow(argsv, need + 1);
1899 SvCUR_set(argsv, need);
1902 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1905 retval = SvIV(argsv);
1906 s = INT2PTR(char*,retval); /* ouch */
1909 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1911 if (optype == OP_IOCTL)
1913 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1915 DIE(aTHX_ "ioctl is not implemented");
1919 #if defined(OS2) && defined(__EMX__)
1920 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1922 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1925 DIE(aTHX_ "fcntl is not implemented");
1929 if (s[SvCUR(argsv)] != 17)
1930 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
1931 PL_op_name[optype]);
1932 s[SvCUR(argsv)] = 0; /* put our null back */
1933 SvSETMAGIC(argsv); /* Assume it has changed */
1942 PUSHp(zero_but_true, ZBTLEN);
1962 fp = IoIFP(GvIOp(gv));
1966 (void)PerlIO_flush(fp);
1967 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1974 DIE(aTHX_ PL_no_func, "flock()");
1986 int protocol = POPi;
1994 SETERRNO(EBADF,LIB$_INVARG);
2000 do_close(gv, FALSE);
2002 TAINT_PROPER("socket");
2003 fd = PerlSock_socket(domain, type, protocol);
2006 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2007 IoOFP(io) = PerlIO_fdopen(fd, "w");
2009 if (!IoIFP(io) || !IoOFP(io)) {
2010 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2011 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2012 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2018 DIE(aTHX_ PL_no_sock_func, "socket");
2025 #ifdef HAS_SOCKETPAIR
2030 int protocol = POPi;
2043 do_close(gv1, FALSE);
2045 do_close(gv2, FALSE);
2047 TAINT_PROPER("socketpair");
2048 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2050 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2051 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2053 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2054 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2056 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2057 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2058 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2059 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2060 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2061 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2062 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2068 DIE(aTHX_ PL_no_sock_func, "socketpair");
2076 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2077 extern GETPRIVMODE();
2078 extern GETUSERMODE();
2083 register IO *io = GvIOn(gv);
2087 int mpeprivmode = 0;
2090 if (!io || !IoIFP(io))
2093 addr = SvPV(addrsv, len);
2094 TAINT_PROPER("bind");
2095 #ifdef MPE /* Deal with MPE bind() peculiarities */
2096 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2097 /* The address *MUST* stupidly be zero. */
2098 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2099 /* PRIV mode is required to bind() to ports < 1024. */
2100 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2101 ((struct sockaddr_in *)addr)->sin_port > 0) {
2102 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2107 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2108 (struct sockaddr *)addr, len) >= 0)
2111 #ifdef MPE /* Switch back to USER mode */
2122 if (ckWARN(WARN_CLOSED))
2123 Perl_warner(aTHX_ WARN_CLOSED, "bind() on closed fd");
2124 SETERRNO(EBADF,SS$_IVCHAN);
2127 DIE(aTHX_ PL_no_sock_func, "bind");
2138 register IO *io = GvIOn(gv);
2141 if (!io || !IoIFP(io))
2144 addr = SvPV(addrsv, len);
2145 TAINT_PROPER("connect");
2146 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2152 if (ckWARN(WARN_CLOSED))
2153 Perl_warner(aTHX_ WARN_CLOSED, "connect() on closed fd");
2154 SETERRNO(EBADF,SS$_IVCHAN);
2157 DIE(aTHX_ PL_no_sock_func, "connect");
2167 register IO *io = GvIOn(gv);
2169 if (!io || !IoIFP(io))
2172 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2178 if (ckWARN(WARN_CLOSED))
2179 Perl_warner(aTHX_ WARN_CLOSED, "listen() on closed fd");
2180 SETERRNO(EBADF,SS$_IVCHAN);
2183 DIE(aTHX_ PL_no_sock_func, "listen");
2195 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2196 Sock_size_t len = sizeof saddr;
2208 if (!gstio || !IoIFP(gstio))
2213 do_close(ngv, FALSE);
2215 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2218 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2219 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2220 IoTYPE(nstio) = 's';
2221 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2222 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2223 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2224 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2228 PUSHp((char *)&saddr, len);
2232 if (ckWARN(WARN_CLOSED))
2233 Perl_warner(aTHX_ WARN_CLOSED, "accept() on closed fd");
2234 SETERRNO(EBADF,SS$_IVCHAN);
2240 DIE(aTHX_ PL_no_sock_func, "accept");
2250 register IO *io = GvIOn(gv);
2252 if (!io || !IoIFP(io))
2255 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2259 if (ckWARN(WARN_CLOSED))
2260 Perl_warner(aTHX_ WARN_CLOSED, "shutdown() on closed fd");
2261 SETERRNO(EBADF,SS$_IVCHAN);
2264 DIE(aTHX_ PL_no_sock_func, "shutdown");
2271 return pp_ssockopt();
2273 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2281 int optype = PL_op->op_type;
2284 unsigned int optname;
2290 if (optype == OP_GSOCKOPT)
2291 sv = sv_2mortal(NEWSV(22, 257));
2294 optname = (unsigned int) POPi;
2295 lvl = (unsigned int) POPi;
2299 if (!io || !IoIFP(io))
2302 fd = PerlIO_fileno(IoIFP(io));
2306 (void)SvPOK_only(sv);
2310 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2325 aint = (int)SvIV(sv);
2329 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2338 if (ckWARN(WARN_CLOSED))
2339 Perl_warner(aTHX_ WARN_CLOSED, "[gs]etsockopt() on closed fd");
2340 SETERRNO(EBADF,SS$_IVCHAN);
2345 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2352 return pp_getpeername();
2354 DIE(aTHX_ PL_no_sock_func, "getsockname");
2362 int optype = PL_op->op_type;
2366 register IO *io = GvIOn(gv);
2369 if (!io || !IoIFP(io))
2372 sv = sv_2mortal(NEWSV(22, 257));
2373 (void)SvPOK_only(sv);
2377 fd = PerlIO_fileno(IoIFP(io));
2379 case OP_GETSOCKNAME:
2380 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2383 case OP_GETPEERNAME:
2384 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2386 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2388 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2389 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2390 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2391 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2392 sizeof(u_short) + sizeof(struct in_addr))) {
2399 #ifdef BOGUS_GETNAME_RETURN
2400 /* Interactive Unix, getpeername() and getsockname()
2401 does not return valid namelen */
2402 if (len == BOGUS_GETNAME_RETURN)
2403 len = sizeof(struct sockaddr);
2411 if (ckWARN(WARN_CLOSED))
2412 Perl_warner(aTHX_ WARN_CLOSED, "get{sock, peer}name() on closed fd");
2413 SETERRNO(EBADF,SS$_IVCHAN);
2418 DIE(aTHX_ PL_no_sock_func, "getpeername");
2437 if (PL_op->op_flags & OPf_REF) {
2438 tmpgv = cGVOP->op_gv;
2440 if (tmpgv != PL_defgv) {
2441 PL_laststype = OP_STAT;
2443 sv_setpv(PL_statname, "");
2444 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2445 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2447 if (PL_laststatval < 0)
2452 if (SvTYPE(sv) == SVt_PVGV) {
2456 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2457 tmpgv = (GV*)SvRV(sv);
2460 sv_setpv(PL_statname, SvPV(sv,n_a));
2463 PL_laststype = PL_op->op_type;
2464 if (PL_op->op_type == OP_LSTAT)
2465 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2468 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2469 if (PL_laststatval < 0) {
2470 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2471 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2477 if (gimme != G_ARRAY) {
2478 if (gimme != G_VOID)
2479 XPUSHs(boolSV(max));
2485 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2486 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2487 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mode)));
2488 PUSHs(sv_2mortal(newSViv(PL_statcache.st_nlink)));
2489 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2490 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2491 #ifdef USE_STAT_RDEV
2492 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2494 PUSHs(sv_2mortal(newSVpvn("", 0)));
2496 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2498 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2499 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2500 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2502 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2503 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2504 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2506 #ifdef USE_STAT_BLOCKS
2507 PUSHs(sv_2mortal(newSViv(PL_statcache.st_blksize)));
2508 PUSHs(sv_2mortal(newSViv(PL_statcache.st_blocks)));
2510 PUSHs(sv_2mortal(newSVpvn("", 0)));
2511 PUSHs(sv_2mortal(newSVpvn("", 0)));
2521 #if defined(HAS_ACCESS) && defined(R_OK)
2523 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2524 result = access(TOPpx, R_OK);
2539 if (cando(S_IRUSR, 0, &PL_statcache))
2548 #if defined(HAS_ACCESS) && defined(W_OK)
2550 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2551 result = access(TOPpx, W_OK);
2566 if (cando(S_IWUSR, 0, &PL_statcache))
2575 #if defined(HAS_ACCESS) && defined(X_OK)
2577 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2578 result = access(TOPpx, X_OK);
2593 if (cando(S_IXUSR, 0, &PL_statcache))
2602 #ifdef PERL_EFF_ACCESS_R_OK
2604 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2605 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2620 if (cando(S_IRUSR, 1, &PL_statcache))
2629 #ifdef PERL_EFF_ACCESS_W_OK
2631 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2632 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2647 if (cando(S_IWUSR, 1, &PL_statcache))
2656 #ifdef PERL_EFF_ACCESS_X_OK
2658 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2659 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2674 if (cando(S_IXUSR, 1, &PL_statcache))
2681 I32 result = my_stat();
2690 return pp_ftrowned();
2695 I32 result = my_stat();
2699 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? PL_euid : PL_uid) )
2706 I32 result = my_stat();
2710 if (!PL_statcache.st_size)
2717 I32 result = my_stat();
2721 PUSHi(PL_statcache.st_size);
2727 I32 result = my_stat();
2731 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2737 I32 result = my_stat();
2741 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2747 I32 result = my_stat();
2751 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
2757 I32 result = my_stat();
2761 if (S_ISSOCK(PL_statcache.st_mode))
2768 I32 result = my_stat();
2772 if (S_ISCHR(PL_statcache.st_mode))
2779 I32 result = my_stat();
2783 if (S_ISBLK(PL_statcache.st_mode))
2790 I32 result = my_stat();
2794 if (S_ISREG(PL_statcache.st_mode))
2801 I32 result = my_stat();
2805 if (S_ISDIR(PL_statcache.st_mode))
2812 I32 result = my_stat();
2816 if (S_ISFIFO(PL_statcache.st_mode))
2823 I32 result = my_lstat();
2827 if (S_ISLNK(PL_statcache.st_mode))
2836 I32 result = my_stat();
2840 if (PL_statcache.st_mode & S_ISUID)
2850 I32 result = my_stat();
2854 if (PL_statcache.st_mode & S_ISGID)
2864 I32 result = my_stat();
2868 if (PL_statcache.st_mode & S_ISVTX)
2879 char *tmps = Nullch;
2882 if (PL_op->op_flags & OPf_REF)
2884 else if (isGV(TOPs))
2886 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2887 gv = (GV*)SvRV(POPs);
2889 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2891 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2892 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2893 else if (tmps && isDIGIT(*tmps))
2897 if (PerlLIO_isatty(fd))
2902 #if defined(atarist) /* this will work with atariST. Configure will
2903 make guesses for other systems. */
2904 # define FILE_base(f) ((f)->_base)
2905 # define FILE_ptr(f) ((f)->_ptr)
2906 # define FILE_cnt(f) ((f)->_cnt)
2907 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2917 register STDCHAR *s;
2923 if (PL_op->op_flags & OPf_REF)
2925 else if (isGV(TOPs))
2927 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2928 gv = (GV*)SvRV(POPs);
2934 if (gv == PL_defgv) {
2936 io = GvIO(PL_statgv);
2939 goto really_filename;
2944 PL_laststatval = -1;
2945 sv_setpv(PL_statname, "");
2946 io = GvIO(PL_statgv);
2948 if (io && IoIFP(io)) {
2949 if (! PerlIO_has_base(IoIFP(io)))
2950 DIE(aTHX_ "-T and -B not implemented on filehandles");
2951 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
2952 if (PL_laststatval < 0)
2954 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
2955 if (PL_op->op_type == OP_FTTEXT)
2959 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2960 i = PerlIO_getc(IoIFP(io));
2962 (void)PerlIO_ungetc(IoIFP(io),i);
2964 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2966 len = PerlIO_get_bufsiz(IoIFP(io));
2967 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2968 /* sfio can have large buffers - limit to 512 */
2973 if (ckWARN(WARN_UNOPENED))
2974 Perl_warner(aTHX_ WARN_UNOPENED, "Test on unopened file <%s>",
2975 GvENAME(cGVOP->op_gv));
2976 SETERRNO(EBADF,RMS$_IFI);
2984 PL_laststatval = -1;
2985 sv_setpv(PL_statname, SvPV(sv, n_a));
2987 i = PerlLIO_open3(SvPV(sv, n_a), O_RDONLY, 0);
2989 i = PerlLIO_open(SvPV(sv, n_a), 0);
2992 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
2993 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
2996 PL_laststatval = PerlLIO_fstat(i, &PL_statcache);
2997 if (PL_laststatval < 0)
2999 len = PerlLIO_read(i, tbuf, 512);
3000 (void)PerlLIO_close(i);
3002 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3003 RETPUSHNO; /* special case NFS directories */
3004 RETPUSHYES; /* null file is anything */
3009 /* now scan s to look for textiness */
3010 /* XXX ASCII dependent code */
3012 for (i = 0; i < len; i++, s++) {
3013 if (!*s) { /* null never allowed in text */
3018 else if (!(isPRINT(*s) || isSPACE(*s)))
3024 *s != '\n' && *s != '\r' && *s != '\b' &&
3025 *s != '\t' && *s != '\f' && *s != 27)
3030 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3054 if (!tmps || !*tmps) {
3055 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3057 tmps = SvPV(*svp, n_a);
3059 if (!tmps || !*tmps) {
3060 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3062 tmps = SvPV(*svp, n_a);
3065 if (!tmps || !*tmps) {
3066 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3068 tmps = SvPV(*svp, n_a);
3071 TAINT_PROPER("chdir");
3072 PUSHi( PerlDir_chdir(tmps) >= 0 );
3074 /* Clear the DEFAULT element of ENV so we'll get the new value
3076 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3083 djSP; dMARK; dTARGET;
3086 value = (I32)apply(PL_op->op_type, MARK, SP);
3091 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3102 TAINT_PROPER("chroot");
3103 PUSHi( chroot(tmps) >= 0 );
3106 DIE(aTHX_ PL_no_func, "chroot");
3112 djSP; dMARK; dTARGET;
3114 value = (I32)apply(PL_op->op_type, MARK, SP);
3122 djSP; dMARK; dTARGET;
3124 value = (I32)apply(PL_op->op_type, MARK, SP);
3132 djSP; dMARK; dTARGET;
3134 value = (I32)apply(PL_op->op_type, MARK, SP);
3146 char *tmps2 = POPpx;
3147 char *tmps = SvPV(TOPs, n_a);
3148 TAINT_PROPER("rename");
3150 anum = PerlLIO_rename(tmps, tmps2);
3152 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3153 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3156 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3157 (void)UNLINK(tmps2);
3158 if (!(anum = link(tmps, tmps2)))
3159 anum = UNLINK(tmps);
3172 char *tmps2 = POPpx;
3173 char *tmps = SvPV(TOPs, n_a);
3174 TAINT_PROPER("link");
3175 SETi( link(tmps, tmps2) >= 0 );
3177 DIE(aTHX_ PL_no_func, "Unsupported function link");
3187 char *tmps2 = POPpx;
3188 char *tmps = SvPV(TOPs, n_a);
3189 TAINT_PROPER("symlink");
3190 SETi( symlink(tmps, tmps2) >= 0 );
3193 DIE(aTHX_ PL_no_func, "symlink");
3202 char buf[MAXPATHLEN];
3206 #ifndef INCOMPLETE_TAINTS
3210 len = readlink(tmps, buf, sizeof buf);
3218 RETSETUNDEF; /* just pretend it's a normal file */
3222 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3224 S_dooneliner(pTHX_ char *cmd, char *filename)
3226 char *save_filename = filename;
3232 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3233 strcpy(cmdline, cmd);
3234 strcat(cmdline, " ");
3235 for (s = cmdline + strlen(cmdline); *filename; ) {
3240 myfp = PerlProc_popen(cmdline, "r");
3244 SV *tmpsv = sv_newmortal();
3245 /* Need to save/restore 'PL_rs' ?? */
3246 s = sv_gets(tmpsv, myfp, 0);
3247 (void)PerlProc_pclose(myfp);
3251 #ifdef HAS_SYS_ERRLIST
3256 /* you don't see this */
3258 #ifdef HAS_SYS_ERRLIST
3266 if (instr(s, errmsg)) {
3273 #define EACCES EPERM
3275 if (instr(s, "cannot make"))
3276 SETERRNO(EEXIST,RMS$_FEX);
3277 else if (instr(s, "existing file"))
3278 SETERRNO(EEXIST,RMS$_FEX);
3279 else if (instr(s, "ile exists"))
3280 SETERRNO(EEXIST,RMS$_FEX);
3281 else if (instr(s, "non-exist"))
3282 SETERRNO(ENOENT,RMS$_FNF);
3283 else if (instr(s, "does not exist"))
3284 SETERRNO(ENOENT,RMS$_FNF);
3285 else if (instr(s, "not empty"))
3286 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3287 else if (instr(s, "cannot access"))
3288 SETERRNO(EACCES,RMS$_PRV);
3290 SETERRNO(EPERM,RMS$_PRV);
3293 else { /* some mkdirs return no failure indication */
3294 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3295 if (PL_op->op_type == OP_RMDIR)
3300 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3317 char *tmps = SvPV(TOPs, n_a);
3319 TAINT_PROPER("mkdir");
3321 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3323 SETi( dooneliner("mkdir", tmps) );
3324 oldumask = PerlLIO_umask(0);
3325 PerlLIO_umask(oldumask);
3326 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3338 TAINT_PROPER("rmdir");
3340 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3342 XPUSHi( dooneliner("rmdir", tmps) );
3347 /* Directory calls. */
3352 #if defined(Direntry_t) && defined(HAS_READDIR)
3354 char *dirname = POPpx;
3356 register IO *io = GvIOn(gv);
3362 PerlDir_close(IoDIRP(io));
3363 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3369 SETERRNO(EBADF,RMS$_DIR);
3372 DIE(aTHX_ PL_no_dir_func, "opendir");
3379 #if defined(Direntry_t) && defined(HAS_READDIR)
3381 Direntry_t *readdir (DIR *);
3383 register Direntry_t *dp;
3385 register IO *io = GvIOn(gv);
3388 if (!io || !IoDIRP(io))
3391 if (GIMME == G_ARRAY) {
3393 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3395 sv = newSVpvn(dp->d_name, dp->d_namlen);
3397 sv = newSVpv(dp->d_name, 0);
3399 #ifndef INCOMPLETE_TAINTS
3402 XPUSHs(sv_2mortal(sv));
3406 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3409 sv = newSVpvn(dp->d_name, dp->d_namlen);
3411 sv = newSVpv(dp->d_name, 0);
3413 #ifndef INCOMPLETE_TAINTS
3416 XPUSHs(sv_2mortal(sv));
3422 SETERRNO(EBADF,RMS$_ISI);
3423 if (GIMME == G_ARRAY)
3428 DIE(aTHX_ PL_no_dir_func, "readdir");
3435 #if defined(HAS_TELLDIR) || defined(telldir)
3436 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3437 /* XXX netbsd still seemed to.
3438 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3439 --JHI 1999-Feb-02 */
3440 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3441 long telldir (DIR *);
3444 register IO *io = GvIOn(gv);
3446 if (!io || !IoDIRP(io))
3449 PUSHi( PerlDir_tell(IoDIRP(io)) );
3453 SETERRNO(EBADF,RMS$_ISI);
3456 DIE(aTHX_ PL_no_dir_func, "telldir");
3463 #if defined(HAS_SEEKDIR) || defined(seekdir)
3466 register IO *io = GvIOn(gv);
3468 if (!io || !IoDIRP(io))
3471 (void)PerlDir_seek(IoDIRP(io), along);
3476 SETERRNO(EBADF,RMS$_ISI);
3479 DIE(aTHX_ PL_no_dir_func, "seekdir");
3486 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3488 register IO *io = GvIOn(gv);
3490 if (!io || !IoDIRP(io))
3493 (void)PerlDir_rewind(IoDIRP(io));
3497 SETERRNO(EBADF,RMS$_ISI);
3500 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3507 #if defined(Direntry_t) && defined(HAS_READDIR)
3509 register IO *io = GvIOn(gv);
3511 if (!io || !IoDIRP(io))
3514 #ifdef VOID_CLOSEDIR
3515 PerlDir_close(IoDIRP(io));
3517 if (PerlDir_close(IoDIRP(io)) < 0) {
3518 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3527 SETERRNO(EBADF,RMS$_IFI);
3530 DIE(aTHX_ PL_no_dir_func, "closedir");
3534 /* Process control. */
3544 PERL_FLUSHALL_FOR_CHILD;
3550 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3551 sv_setiv(GvSV(tmpgv), (IV)getpid());
3552 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3557 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3563 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3568 childpid = wait4pid(-1, &argflags, 0);
3569 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3573 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3579 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3587 childpid = wait4pid(childpid, &argflags, optype);
3588 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3592 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3598 djSP; dMARK; dORIGMARK; dTARGET;
3603 Sigsave_t ihand,qhand; /* place to save signals during system() */
3608 if (SP - MARK == 1) {
3610 char *junk = SvPV(TOPs, n_a);
3612 TAINT_PROPER("system");
3615 PERL_FLUSHALL_FOR_CHILD;
3616 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3617 if (PerlProc_pipe(pp) >= 0)
3619 while ((childpid = vfork()) == -1) {
3620 if (errno != EAGAIN) {
3625 PerlLIO_close(pp[0]);
3626 PerlLIO_close(pp[1]);
3634 PerlLIO_close(pp[1]);
3635 rsignal_save(SIGINT, SIG_IGN, &ihand);
3636 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3638 result = wait4pid(childpid, &status, 0);
3639 } while (result == -1 && errno == EINTR);
3640 (void)rsignal_restore(SIGINT, &ihand);
3641 (void)rsignal_restore(SIGQUIT, &qhand);
3642 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3643 do_execfree(); /* free any memory child malloced on vfork */
3649 while (n < sizeof(int)) {
3650 n1 = PerlLIO_read(pp[0],
3651 (void*)(((char*)&errkid)+n),
3657 PerlLIO_close(pp[0]);
3658 if (n) { /* Error */
3659 if (n != sizeof(int))
3660 Perl_croak(aTHX_ "panic: kid popen errno read");
3661 errno = errkid; /* Propagate errno from kid */
3662 STATUS_CURRENT = -1;
3665 PUSHi(STATUS_CURRENT);
3669 PerlLIO_close(pp[0]);
3670 #if defined(HAS_FCNTL) && defined(F_SETFD)
3671 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3674 if (PL_op->op_flags & OPf_STACKED) {
3675 SV *really = *++MARK;
3676 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3678 else if (SP - MARK != 1)
3679 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3681 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3684 #else /* ! FORK or VMS or OS/2 */
3685 if (PL_op->op_flags & OPf_STACKED) {
3686 SV *really = *++MARK;
3687 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3689 else if (SP - MARK != 1)
3690 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3692 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3694 STATUS_NATIVE_SET(value);
3697 PUSHi(STATUS_CURRENT);
3698 #endif /* !FORK or VMS */
3704 djSP; dMARK; dORIGMARK; dTARGET;
3708 PERL_FLUSHALL_FOR_CHILD;
3709 if (PL_op->op_flags & OPf_STACKED) {
3710 SV *really = *++MARK;
3711 value = (I32)do_aexec(really, MARK, SP);
3713 else if (SP - MARK != 1)
3715 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3719 (void ) do_aspawn(Nullsv, MARK, SP);
3723 value = (I32)do_aexec(Nullsv, MARK, SP);
3728 char *junk = SvPV(*SP, n_a);
3730 TAINT_PROPER("exec");
3733 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3736 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3739 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3750 djSP; dMARK; dTARGET;
3753 value = (I32)apply(PL_op->op_type, MARK, SP);
3758 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3766 XPUSHi( getppid() );
3769 DIE(aTHX_ PL_no_func, "getppid");
3785 pgrp = (I32)BSD_GETPGRP(pid);
3787 if (pid != 0 && pid != getpid())
3788 DIE(aTHX_ "POSIX getpgrp can't take an argument");
3794 DIE(aTHX_ PL_no_func, "getpgrp()");
3813 TAINT_PROPER("setpgrp");
3815 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3817 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3818 DIE(aTHX_ "POSIX setpgrp can't take an argument");
3819 SETi( setpgrp() >= 0 );
3820 #endif /* USE_BSDPGRP */
3823 DIE(aTHX_ PL_no_func, "setpgrp()");
3832 #ifdef HAS_GETPRIORITY
3835 SETi( getpriority(which, who) );
3838 DIE(aTHX_ PL_no_func, "getpriority()");
3848 #ifdef HAS_SETPRIORITY
3852 TAINT_PROPER("setpriority");
3853 SETi( setpriority(which, who, niceval) >= 0 );
3856 DIE(aTHX_ PL_no_func, "setpriority()");
3866 XPUSHn( time(Null(Time_t*)) );
3868 XPUSHi( time(Null(Time_t*)) );
3873 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3874 to HZ. Probably. For now, assume that if the system
3875 defines HZ, it does so correctly. (Will this break
3877 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3878 it's supported. --AD 9/96.
3894 DIE(aTHX_ "times not implemented");
3899 (void)PerlProc_times(&PL_timesbuf);
3901 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3902 /* struct tms, though same data */
3906 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
3907 if (GIMME == G_ARRAY) {
3908 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
3909 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
3910 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
3913 #endif /* HAS_TIMES */
3926 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3927 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3928 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3934 when = (Time_t)SvNVx(POPs);
3936 when = (Time_t)SvIVx(POPs);
3939 if (PL_op->op_type == OP_LOCALTIME)
3940 tmbuf = localtime(&when);
3942 tmbuf = gmtime(&when);
3946 if (GIMME != G_ARRAY) {
3951 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
3952 dayname[tmbuf->tm_wday],
3953 monname[tmbuf->tm_mon],
3958 tmbuf->tm_year + 1900);
3959 PUSHs(sv_2mortal(tsv));
3962 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
3963 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
3964 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
3965 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
3966 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
3967 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
3968 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
3969 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
3970 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
3981 anum = alarm((unsigned int)anum);
3988 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
3999 (void)time(&lasttime);
4004 PerlProc_sleep((unsigned int)duration);
4007 XPUSHi(when - lasttime);
4011 /* Shared memory. */
4025 return pp_shmwrite();
4030 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4031 djSP; dMARK; dTARGET;
4032 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4041 /* Message passing. */
4055 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4056 djSP; dMARK; dTARGET;
4057 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4068 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4069 djSP; dMARK; dTARGET;
4070 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4083 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4084 djSP; dMARK; dTARGET;
4085 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4092 DIE(aTHX_ "System V IPC is not implemented on this machine");
4098 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4099 djSP; dMARK; dTARGET;
4100 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4108 PUSHp(zero_but_true, ZBTLEN);
4118 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4119 djSP; dMARK; dTARGET;
4120 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4129 /* Get system info. */
4133 #ifdef HAS_GETHOSTBYNAME
4134 return pp_ghostent();
4136 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4142 #ifdef HAS_GETHOSTBYADDR
4143 return pp_ghostent();
4145 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4152 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4153 I32 which = PL_op->op_type;
4154 register char **elem;
4156 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4157 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4158 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4159 struct hostent *PerlSock_gethostent(void);
4161 struct hostent *hent;
4166 if (which == OP_GHBYNAME)
4167 #ifdef HAS_GETHOSTBYNAME
4168 hent = PerlSock_gethostbyname(POPpx);
4170 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4172 else if (which == OP_GHBYADDR) {
4173 #ifdef HAS_GETHOSTBYADDR
4174 int addrtype = POPi;
4177 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4179 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4181 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4185 #ifdef HAS_GETHOSTENT
4186 hent = PerlSock_gethostent();
4188 DIE(aTHX_ PL_no_sock_func, "gethostent");
4191 #ifdef HOST_NOT_FOUND
4193 STATUS_NATIVE_SET(h_errno);
4196 if (GIMME != G_ARRAY) {
4197 PUSHs(sv = sv_newmortal());
4199 if (which == OP_GHBYNAME) {
4201 sv_setpvn(sv, hent->h_addr, hent->h_length);
4204 sv_setpv(sv, (char*)hent->h_name);
4210 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4211 sv_setpv(sv, (char*)hent->h_name);
4212 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4213 for (elem = hent->h_aliases; elem && *elem; elem++) {
4214 sv_catpv(sv, *elem);
4216 sv_catpvn(sv, " ", 1);
4218 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4219 sv_setiv(sv, (IV)hent->h_addrtype);
4220 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4221 len = hent->h_length;
4222 sv_setiv(sv, (IV)len);
4224 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4225 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4226 sv_setpvn(sv, *elem, len);
4229 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4231 sv_setpvn(sv, hent->h_addr, len);
4236 DIE(aTHX_ PL_no_sock_func, "gethostent");
4242 #ifdef HAS_GETNETBYNAME
4243 return pp_gnetent();
4245 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4251 #ifdef HAS_GETNETBYADDR
4252 return pp_gnetent();
4254 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4261 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4262 I32 which = PL_op->op_type;
4263 register char **elem;
4265 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4266 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4267 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4268 struct netent *PerlSock_getnetent(void);
4270 struct netent *nent;
4273 if (which == OP_GNBYNAME)
4274 #ifdef HAS_GETNETBYNAME
4275 nent = PerlSock_getnetbyname(POPpx);
4277 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4279 else if (which == OP_GNBYADDR) {
4280 #ifdef HAS_GETNETBYADDR
4281 int addrtype = POPi;
4282 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4283 nent = PerlSock_getnetbyaddr(addr, addrtype);
4285 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4289 #ifdef HAS_GETNETENT
4290 nent = PerlSock_getnetent();
4292 DIE(aTHX_ PL_no_sock_func, "getnetent");
4296 if (GIMME != G_ARRAY) {
4297 PUSHs(sv = sv_newmortal());
4299 if (which == OP_GNBYNAME)
4300 sv_setiv(sv, (IV)nent->n_net);
4302 sv_setpv(sv, nent->n_name);
4308 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4309 sv_setpv(sv, nent->n_name);
4310 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4311 for (elem = nent->n_aliases; elem && *elem; elem++) {
4312 sv_catpv(sv, *elem);
4314 sv_catpvn(sv, " ", 1);
4316 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4317 sv_setiv(sv, (IV)nent->n_addrtype);
4318 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4319 sv_setiv(sv, (IV)nent->n_net);
4324 DIE(aTHX_ PL_no_sock_func, "getnetent");
4330 #ifdef HAS_GETPROTOBYNAME
4331 return pp_gprotoent();
4333 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4339 #ifdef HAS_GETPROTOBYNUMBER
4340 return pp_gprotoent();
4342 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4349 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4350 I32 which = PL_op->op_type;
4351 register char **elem;
4353 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4354 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4355 struct protoent *PerlSock_getprotobynumber(int);
4356 struct protoent *PerlSock_getprotoent(void);
4358 struct protoent *pent;
4361 if (which == OP_GPBYNAME)
4362 #ifdef HAS_GETPROTOBYNAME
4363 pent = PerlSock_getprotobyname(POPpx);
4365 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4367 else if (which == OP_GPBYNUMBER)
4368 #ifdef HAS_GETPROTOBYNUMBER
4369 pent = PerlSock_getprotobynumber(POPi);
4371 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4374 #ifdef HAS_GETPROTOENT
4375 pent = PerlSock_getprotoent();
4377 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4381 if (GIMME != G_ARRAY) {
4382 PUSHs(sv = sv_newmortal());
4384 if (which == OP_GPBYNAME)
4385 sv_setiv(sv, (IV)pent->p_proto);
4387 sv_setpv(sv, pent->p_name);
4393 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4394 sv_setpv(sv, pent->p_name);
4395 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4396 for (elem = pent->p_aliases; elem && *elem; elem++) {
4397 sv_catpv(sv, *elem);
4399 sv_catpvn(sv, " ", 1);
4401 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4402 sv_setiv(sv, (IV)pent->p_proto);
4407 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4413 #ifdef HAS_GETSERVBYNAME
4414 return pp_gservent();
4416 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4422 #ifdef HAS_GETSERVBYPORT
4423 return pp_gservent();
4425 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4432 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4433 I32 which = PL_op->op_type;
4434 register char **elem;
4436 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4437 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4438 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4439 struct servent *PerlSock_getservent(void);
4441 struct servent *sent;
4444 if (which == OP_GSBYNAME) {
4445 #ifdef HAS_GETSERVBYNAME
4446 char *proto = POPpx;
4449 if (proto && !*proto)
4452 sent = PerlSock_getservbyname(name, proto);
4454 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4457 else if (which == OP_GSBYPORT) {
4458 #ifdef HAS_GETSERVBYPORT
4459 char *proto = POPpx;
4460 unsigned short port = POPu;
4463 port = PerlSock_htons(port);
4465 sent = PerlSock_getservbyport(port, proto);
4467 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4471 #ifdef HAS_GETSERVENT
4472 sent = PerlSock_getservent();
4474 DIE(aTHX_ PL_no_sock_func, "getservent");
4478 if (GIMME != G_ARRAY) {
4479 PUSHs(sv = sv_newmortal());
4481 if (which == OP_GSBYNAME) {
4483 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4485 sv_setiv(sv, (IV)(sent->s_port));
4489 sv_setpv(sv, sent->s_name);
4495 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4496 sv_setpv(sv, sent->s_name);
4497 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4498 for (elem = sent->s_aliases; elem && *elem; elem++) {
4499 sv_catpv(sv, *elem);
4501 sv_catpvn(sv, " ", 1);
4503 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4505 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4507 sv_setiv(sv, (IV)(sent->s_port));
4509 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4510 sv_setpv(sv, sent->s_proto);
4515 DIE(aTHX_ PL_no_sock_func, "getservent");
4522 #ifdef HAS_SETHOSTENT
4523 PerlSock_sethostent(TOPi);
4526 DIE(aTHX_ PL_no_sock_func, "sethostent");
4533 #ifdef HAS_SETNETENT
4534 PerlSock_setnetent(TOPi);
4537 DIE(aTHX_ PL_no_sock_func, "setnetent");
4544 #ifdef HAS_SETPROTOENT
4545 PerlSock_setprotoent(TOPi);
4548 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4555 #ifdef HAS_SETSERVENT
4556 PerlSock_setservent(TOPi);
4559 DIE(aTHX_ PL_no_sock_func, "setservent");
4566 #ifdef HAS_ENDHOSTENT
4567 PerlSock_endhostent();
4571 DIE(aTHX_ PL_no_sock_func, "endhostent");
4578 #ifdef HAS_ENDNETENT
4579 PerlSock_endnetent();
4583 DIE(aTHX_ PL_no_sock_func, "endnetent");
4590 #ifdef HAS_ENDPROTOENT
4591 PerlSock_endprotoent();
4595 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4602 #ifdef HAS_ENDSERVENT
4603 PerlSock_endservent();
4607 DIE(aTHX_ PL_no_sock_func, "endservent");
4616 DIE(aTHX_ PL_no_func, "getpwnam");
4625 DIE(aTHX_ PL_no_func, "getpwuid");
4632 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4633 I32 which = PL_op->op_type;
4635 struct passwd *pwent;
4637 #if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4638 struct spwd *spwent = NULL;
4641 if (which == OP_GPWNAM)
4642 pwent = getpwnam(POPpx);
4643 else if (which == OP_GPWUID)
4644 pwent = getpwuid(POPi);
4646 pwent = (struct passwd *)getpwent();
4649 if (which == OP_GPWNAM) {
4651 spwent = getspnam(pwent->pw_name);
4653 # ifdef HAS_GETSPUID /* AFAIK there isn't any anywhere. --jhi */
4654 else if (which == OP_GPWUID) {
4656 spwent = getspnam(pwent->pw_name);
4659 # ifdef HAS_GETSPENT
4661 spwent = (struct spwd *)getspent();
4666 if (GIMME != G_ARRAY) {
4667 PUSHs(sv = sv_newmortal());
4669 if (which == OP_GPWNAM)
4670 sv_setiv(sv, (IV)pwent->pw_uid);
4672 sv_setpv(sv, pwent->pw_name);
4678 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4679 sv_setpv(sv, pwent->pw_name);
4681 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4683 # if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4685 sv_setpv(sv, spwent->sp_pwdp);
4687 sv_setpv(sv, pwent->pw_passwd);
4689 sv_setpv(sv, pwent->pw_passwd);
4693 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4694 sv_setiv(sv, (IV)pwent->pw_uid);
4696 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4697 sv_setiv(sv, (IV)pwent->pw_gid);
4699 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4700 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4702 sv_setiv(sv, (IV)pwent->pw_change);
4705 sv_setiv(sv, (IV)pwent->pw_quota);
4708 sv_setpv(sv, pwent->pw_age);
4713 /* pw_class and pw_comment are mutually exclusive. */
4714 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4716 sv_setpv(sv, pwent->pw_class);
4719 sv_setpv(sv, pwent->pw_comment);
4723 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4725 sv_setpv(sv, pwent->pw_gecos);
4727 #ifndef INCOMPLETE_TAINTS
4728 /* pw_gecos is tainted because user himself can diddle with it. */
4732 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4733 sv_setpv(sv, pwent->pw_dir);
4735 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4736 sv_setpv(sv, pwent->pw_shell);
4739 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4740 sv_setiv(sv, (IV)pwent->pw_expire);
4745 DIE(aTHX_ PL_no_func, "getpwent");
4752 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
4754 # ifdef HAS_SETSPENT
4759 DIE(aTHX_ PL_no_func, "setpwent");
4766 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4768 # ifdef HAS_ENDSPENT
4773 DIE(aTHX_ PL_no_func, "endpwent");
4782 DIE(aTHX_ PL_no_func, "getgrnam");
4791 DIE(aTHX_ PL_no_func, "getgrgid");
4798 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4799 I32 which = PL_op->op_type;
4800 register char **elem;
4802 struct group *grent;
4805 if (which == OP_GGRNAM)
4806 grent = (struct group *)getgrnam(POPpx);
4807 else if (which == OP_GGRGID)
4808 grent = (struct group *)getgrgid(POPi);
4810 grent = (struct group *)getgrent();
4813 if (GIMME != G_ARRAY) {
4814 PUSHs(sv = sv_newmortal());
4816 if (which == OP_GGRNAM)
4817 sv_setiv(sv, (IV)grent->gr_gid);
4819 sv_setpv(sv, grent->gr_name);
4825 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4826 sv_setpv(sv, grent->gr_name);
4828 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4830 sv_setpv(sv, grent->gr_passwd);
4833 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4834 sv_setiv(sv, (IV)grent->gr_gid);
4836 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4837 for (elem = grent->gr_mem; elem && *elem; elem++) {
4838 sv_catpv(sv, *elem);
4840 sv_catpvn(sv, " ", 1);
4846 DIE(aTHX_ PL_no_func, "getgrent");
4853 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4857 DIE(aTHX_ PL_no_func, "setgrent");
4864 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4868 DIE(aTHX_ PL_no_func, "endgrent");
4878 if (!(tmps = PerlProc_getlogin()))
4880 PUSHp(tmps, strlen(tmps));
4883 DIE(aTHX_ PL_no_func, "getlogin");
4887 /* Miscellaneous. */
4892 djSP; dMARK; dORIGMARK; dTARGET;
4893 register I32 items = SP - MARK;
4894 unsigned long a[20];
4901 while (++MARK <= SP) {
4902 if (SvTAINTED(*MARK)) {
4908 TAINT_PROPER("syscall");
4911 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4912 * or where sizeof(long) != sizeof(char*). But such machines will
4913 * not likely have syscall implemented either, so who cares?
4915 while (++MARK <= SP) {
4916 if (SvNIOK(*MARK) || !i)
4917 a[i++] = SvIV(*MARK);
4918 else if (*MARK == &PL_sv_undef)
4921 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
4927 DIE(aTHX_ "Too many args to syscall");
4929 DIE(aTHX_ "Too few args to syscall");
4931 retval = syscall(a[0]);
4934 retval = syscall(a[0],a[1]);
4937 retval = syscall(a[0],a[1],a[2]);
4940 retval = syscall(a[0],a[1],a[2],a[3]);
4943 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4946 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4949 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4952 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4956 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4959 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4962 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4966 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4970 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4974 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4975 a[10],a[11],a[12],a[13]);
4977 #endif /* atarist */
4983 DIE(aTHX_ PL_no_func, "syscall");
4987 #ifdef FCNTL_EMULATE_FLOCK
4989 /* XXX Emulate flock() with fcntl().
4990 What's really needed is a good file locking module.
4994 fcntl_emulate_flock(int fd, int operation)
4998 switch (operation & ~LOCK_NB) {
5000 flock.l_type = F_RDLCK;
5003 flock.l_type = F_WRLCK;
5006 flock.l_type = F_UNLCK;
5012 flock.l_whence = SEEK_SET;
5013 flock.l_start = flock.l_len = (Off_t)0;
5015 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5018 #endif /* FCNTL_EMULATE_FLOCK */
5020 #ifdef LOCKF_EMULATE_FLOCK
5022 /* XXX Emulate flock() with lockf(). This is just to increase
5023 portability of scripts. The calls are not completely
5024 interchangeable. What's really needed is a good file
5028 /* The lockf() constants might have been defined in <unistd.h>.
5029 Unfortunately, <unistd.h> causes troubles on some mixed
5030 (BSD/POSIX) systems, such as SunOS 4.1.3.
5032 Further, the lockf() constants aren't POSIX, so they might not be
5033 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5034 just stick in the SVID values and be done with it. Sigh.
5038 # define F_ULOCK 0 /* Unlock a previously locked region */
5041 # define F_LOCK 1 /* Lock a region for exclusive use */
5044 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5047 # define F_TEST 3 /* Test a region for other processes locks */
5051 lockf_emulate_flock(int fd, int operation)
5057 /* flock locks entire file so for lockf we need to do the same */
5059 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5060 if (pos > 0) /* is seekable and needs to be repositioned */
5061 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5062 pos = -1; /* seek failed, so don't seek back afterwards */
5065 switch (operation) {
5067 /* LOCK_SH - get a shared lock */
5069 /* LOCK_EX - get an exclusive lock */
5071 i = lockf (fd, F_LOCK, 0);
5074 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5075 case LOCK_SH|LOCK_NB:
5076 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5077 case LOCK_EX|LOCK_NB:
5078 i = lockf (fd, F_TLOCK, 0);
5080 if ((errno == EAGAIN) || (errno == EACCES))
5081 errno = EWOULDBLOCK;
5084 /* LOCK_UN - unlock (non-blocking is a no-op) */
5086 case LOCK_UN|LOCK_NB:
5087 i = lockf (fd, F_ULOCK, 0);
5090 /* Default - can't decipher operation */
5097 if (pos > 0) /* need to restore position of the handle */
5098 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5103 #endif /* LOCKF_EMULATE_FLOCK */