3 * Copyright (c) 1991-1999, Larry Wall
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
11 * But only a short way ahead its floor and the walls on either side were
12 * cloven by a great fissure, out of which the red glare came, now leaping
13 * up, now dying down into darkness; and all the while far below there was
14 * a rumour and a trouble as of great engines throbbing and labouring.
18 #define PERL_IN_PP_SYS_C
22 /* Shadow password support for solaris - pdo@cs.umd.edu
23 * Not just Solaris: at least HP-UX, IRIX, Linux.
24 * the API is from SysV. --jhi */
28 /* XXX If this causes problems, set i_unistd=undef in the hint file. */
35 extern "C" int syscall(unsigned long,...);
40 # include <sys/wait.h>
44 # include <sys/resource.h>
47 #if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
48 # include <sys/socket.h>
49 # if defined(USE_SOCKS) && defined(I_SOCKS)
57 # include <net/errno.h>
64 #include <sys/select.h>
68 /* XXX Configure test needed.
69 h_errno might not be a simple 'int', especially for multi-threaded
70 applications, see "extern int errno in perl.h". Creating such
71 a test requires taking into account the differences between
72 compiling multithreaded and singlethreaded ($ccflags et al).
73 HOST_NOT_FOUND is typically defined in <netdb.h>.
75 #if defined(HOST_NOT_FOUND) && !defined(h_errno)
83 struct passwd *getpwnam (char *);
84 struct passwd *getpwuid (Uid_t);
87 struct passwd *getpwent (void);
95 struct group *getgrnam (char *);
96 struct group *getgrgid (Gid_t);
99 struct group *getgrent (void);
104 # if defined(_MSC_VER) || defined(__MINGW32__)
105 # include <sys/utime.h>
114 #include <sys/file.h>
117 /* Put this after #includes because fork and vfork prototypes may conflict. */
122 /* Put this after #includes because <unistd.h> defines _XOPEN_*. */
124 # if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
125 # define Sock_size_t Size_t
127 # define Sock_size_t int
132 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
135 # define my_chsize PerlLIO_chsize
140 #else /* no flock() */
142 /* fcntl.h might not have been included, even if it exists, because
143 the current Configure only sets I_FCNTL if it's needed to pick up
144 the *_OK constants. Make sure it has been included before testing
145 the fcntl() locking constants. */
146 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
150 # if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
151 # define FLOCK fcntl_emulate_flock
152 # define FCNTL_EMULATE_FLOCK
153 # else /* no flock() or fcntl(F_SETLK,...) */
155 # define FLOCK lockf_emulate_flock
156 # define LOCKF_EMULATE_FLOCK
158 # endif /* no flock() or fcntl(F_SETLK,...) */
161 static int FLOCK (int, int);
164 * These are the flock() constants. Since this sytems doesn't have
165 * flock(), the values of the constants are probably not available.
179 # endif /* emulating flock() */
181 #endif /* no flock() */
184 static char zero_but_true[ZBTLEN + 1] = "0 but true";
186 #if defined(I_SYS_ACCESS) && !defined(R_OK)
187 # include <sys/access.h>
190 #undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */
191 #undef PERL_EFF_ACCESS_W_OK
192 #undef PERL_EFF_ACCESS_X_OK
194 /* F_OK unused: if stat() cannot find it... */
196 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
197 /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */
198 # define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK))
199 # define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK))
200 # define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK))
203 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS)
204 # if defined(I_SYS_SECURITY)
205 # include <sys/security.h>
207 /* XXX Configure test needed for eaccess */
210 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF))
211 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF))
212 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF))
215 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK))
216 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK))
217 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK))
221 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF)
223 # define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF))
224 # define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF))
225 # define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF))
228 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \
229 && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \
230 || defined(HAS_SETREGID) || defined(HAS_SETRESGID))
233 S_emulate_eaccess(pTHX_ const char* path, int mode)
235 Uid_t ruid = getuid();
236 Uid_t euid = geteuid();
237 Gid_t rgid = getgid();
238 Gid_t egid = getegid();
241 MUTEX_LOCK(&PL_cred_mutex);
242 #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
243 Perl_croak(aTHX_ "switching effective uid is not implemented");
246 if (setreuid(euid, ruid))
249 if (setresuid(euid, ruid, (Uid_t)-1))
252 Perl_croak(aTHX_ "entering effective uid failed");
255 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
256 Perl_croak(aTHX_ "switching effective gid is not implemented");
259 if (setregid(egid, rgid))
262 if (setresgid(egid, rgid, (Gid_t)-1))
265 Perl_croak(aTHX_ "entering effective gid failed");
268 res = access(path, mode);
271 if (setreuid(ruid, euid))
274 if (setresuid(ruid, euid, (Uid_t)-1))
277 Perl_croak(aTHX_ "leaving effective uid failed");
280 if (setregid(rgid, egid))
283 if (setresgid(rgid, egid, (Gid_t)-1))
286 Perl_croak(aTHX_ "leaving effective gid failed");
287 MUTEX_UNLOCK(&PL_cred_mutex);
291 # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
292 # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
293 # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
296 #if !defined(PERL_EFF_ACCESS_R_OK)
298 S_emulate_eaccess(pTHX_ const char* path, int mode)
300 Perl_croak(aTHX_ "switching effective uid is not implemented");
315 fp = PerlProc_popen(tmps, "r");
317 if (gimme == G_VOID) {
319 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
323 else if (gimme == G_SCALAR) {
324 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
325 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
336 if (sv_gets(sv, fp, 0) == Nullch) {
340 XPUSHs(sv_2mortal(sv));
341 if (SvLEN(sv) - SvCUR(sv) > 20) {
342 SvLEN_set(sv, SvCUR(sv)+1);
343 Renew(SvPVX(sv), SvLEN(sv), char);
348 STATUS_NATIVE_SET(PerlProc_pclose(fp));
349 TAINT; /* "I believe that this is not gratuitous!" */
352 STATUS_NATIVE_SET(-1);
353 if (gimme == G_SCALAR)
363 tryAMAGICunTARGET(iter, -1);
370 * The external globbing program may use things we can't control,
371 * so for security reasons we must assume the worst.
374 taint_proper(PL_no_security, "glob");
378 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
379 PL_last_in_gv = (GV*)*PL_stack_sp--;
381 SAVESPTR(PL_rs); /* This is not permanent, either. */
382 PL_rs = sv_2mortal(newSVpvn("\000", 1));
385 *SvPVX(PL_rs) = '\n';
389 result = do_readline();
394 #if 0 /* XXX never used! */
398 PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), n_a), TRUE,SVt_PVIO);
399 return do_readline();
405 PL_last_in_gv = cGVOP->op_gv;
406 return do_readline();
415 if (SP - MARK != 1) {
417 do_join(TARG, &PL_sv_no, MARK, SP);
424 tmps = SvPV(tmpsv, len);
427 (void)SvUPGRADE(error, SVt_PV);
428 if (SvPOK(error) && SvCUR(error))
429 sv_catpv(error, "\t...caught");
431 tmps = SvPV(tmpsv, len);
434 tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26));
436 Perl_warn(aTHX_ "%_", tmpsv);
447 if (SP - MARK != 1) {
449 do_join(TARG, &PL_sv_no, MARK, SP);
451 tmps = SvPV(tmpsv, len);
457 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, len);
461 (void)SvUPGRADE(error, SVt_PV);
462 if (multiarg ? SvROK(error) : SvROK(tmpsv)) {
464 SvSetSV(error,tmpsv);
465 else if (sv_isobject(error)) {
466 HV *stash = SvSTASH(SvRV(error));
467 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
469 SV *file = sv_2mortal(newSVsv(GvSV(PL_curcop->cop_filegv)));
470 SV *line = sv_2mortal(newSViv(PL_curcop->cop_line));
477 call_sv((SV*)GvCV(gv),
478 G_SCALAR|G_EVAL|G_KEEPERR);
479 sv_setsv(error,*PL_stack_sp--);
485 if (SvPOK(error) && SvCUR(error))
486 sv_catpv(error, "\t...propagated");
488 tmps = SvPV(tmpsv, len);
492 tmpsv = sv_2mortal(newSVpvn("Died", 4));
494 DIE(aTHX_ "%_", tmpsv);
517 DIE(aTHX_ PL_no_usym, "filehandle");
522 DIE(aTHX_ PL_no_usym, "filehandle");
524 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
526 #if 0 /* no undef means tmpfile() yet */
527 if (sv == &PL_sv_undef) {
529 PerlIO *fp = PerlIO_tmpfile();
531 PerlIO *fp = tmpfile();
533 if (fp != Nullfp && do_open(gv, "+>&", 3, FALSE, 0, 0, fp))
534 PUSHi( (I32)PL_forkprocess );
539 #endif /* no undef means tmpfile() yet */
542 if (mg = SvTIED_mg((SV*)gv, 'q')) {
544 XPUSHs(SvTIED_obj((SV*)gv, mg));
550 call_method("OPEN", G_SCALAR);
556 tmps = SvPV(sv, len);
557 if (do_open9(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, name, have_name))
558 PUSHi( (I32)PL_forkprocess );
559 else if (PL_forkprocess == 0) /* we are a new child */
577 if (mg = SvTIED_mg((SV*)gv, 'q')) {
579 XPUSHs(SvTIED_obj((SV*)gv, mg));
582 call_method("CLOSE", G_SCALAR);
588 PUSHs(boolSV(do_close(gv, TRUE)));
608 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
609 DIE(aTHX_ PL_no_usym, "filehandle");
614 do_close(rgv, FALSE);
616 do_close(wgv, FALSE);
618 if (PerlProc_pipe(fd) < 0)
621 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
622 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
623 IoIFP(wstio) = IoOFP(wstio);
627 if (!IoIFP(rstio) || !IoOFP(wstio)) {
628 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
629 else PerlLIO_close(fd[0]);
630 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
631 else PerlLIO_close(fd[1]);
634 #if defined(HAS_FCNTL) && defined(F_SETFD)
635 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
636 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
643 DIE(aTHX_ PL_no_func, "pipe");
659 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
661 XPUSHs(SvTIED_obj((SV*)gv, mg));
664 call_method("FILENO", G_SCALAR);
670 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
672 PUSHi(PerlIO_fileno(fp));
683 anum = PerlLIO_umask(0);
684 (void)PerlLIO_umask(anum);
687 anum = PerlLIO_umask(POPi);
688 TAINT_PROPER("umask");
691 /* Only DIE if trying to restrict permissions on `user' (self).
692 * Otherwise it's harmless and more useful to just return undef
693 * since 'group' and 'other' concepts probably don't exist here. */
694 if (MAXARG >= 1 && (POPi & 0700))
695 DIE(aTHX_ "umask not implemented");
696 XPUSHs(&PL_sv_undef);
714 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
716 XPUSHs(SvTIED_obj((SV*)gv, mg));
719 call_method("BINMODE", G_SCALAR);
726 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
729 if (do_binmode(fp,IoTYPE(io),TRUE))
744 I32 markoff = MARK - PL_stack_base;
751 switch(SvTYPE(varsv)) {
753 methname = "TIEHASH";
756 methname = "TIEARRAY";
759 methname = "TIEHANDLE";
763 methname = "TIESCALAR";
768 if (sv_isobject(*MARK)) {
770 PUSHSTACKi(PERLSI_MAGIC);
776 call_method(methname, G_SCALAR);
779 /* Not clear why we don't call call_method here too.
780 * perhaps to get different error message ?
782 stash = gv_stashsv(*MARK, FALSE);
783 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
784 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
785 methname, SvPV(*MARK,n_a));
788 PUSHSTACKi(PERLSI_MAGIC);
794 call_sv((SV*)GvCV(gv), G_SCALAR);
800 if (sv_isobject(sv)) {
801 sv_unmagic(varsv, how);
802 sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0);
805 SP = PL_stack_base + markoff;
814 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
816 if (ckWARN(WARN_UNTIE)) {
818 if (mg = SvTIED_mg(sv, how)) {
819 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
820 Perl_warner(aTHX_ WARN_UNTIE,
821 "untie attempted while %lu inner references still exist",
822 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
834 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
837 if (mg = SvTIED_mg(sv, how)) {
838 SV *osv = SvTIED_obj(sv, mg);
839 if (osv == mg->mg_obj)
840 osv = sv_mortalcopy(osv);
858 sv = sv_mortalcopy(&PL_sv_no);
859 sv_setpv(sv, "AnyDBM_File");
860 stash = gv_stashsv(sv, FALSE);
861 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
863 require_pv("AnyDBM_File.pm");
865 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
866 DIE(aTHX_ "No dbm on this machine");
876 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
878 PUSHs(sv_2mortal(newSViv(O_RDWR)));
881 call_sv((SV*)GvCV(gv), G_SCALAR);
884 if (!sv_isobject(TOPs)) {
889 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
892 call_sv((SV*)GvCV(gv), G_SCALAR);
896 if (sv_isobject(TOPs)) {
897 sv_unmagic((SV *) hv, 'P');
898 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
920 struct timeval timebuf;
921 struct timeval *tbuf = &timebuf;
925 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
930 # if BYTEORDER & 0xf0000
931 # define ORDERBYTE (0x88888888 - BYTEORDER)
933 # define ORDERBYTE (0x4444 - BYTEORDER)
939 for (i = 1; i <= 3; i++) {
947 /* little endians can use vecs directly */
948 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
949 # if SELECT_MIN_BITS > 1
950 /* If SELECT_MIN_BITS is greater than one we most probably will want
951 * to align the sizes with SELECT_MIN_BITS/8 because for example
952 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
953 * UNIX, Solaris, NeXT, Rhapsody) the smallest quantum select() operates
954 * on (sets/tests/clears bits) is 32 bits. */
955 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
957 growsize = sizeof(fd_set);
966 masksize = NFDBITS / NBBY;
968 masksize = sizeof(long); /* documented int, everyone seems to use long */
970 growsize = maxlen + (masksize - (maxlen % masksize));
971 Zero(&fd_sets[0], 4, char*);
979 timebuf.tv_sec = (long)value;
980 value -= (NV)timebuf.tv_sec;
981 timebuf.tv_usec = (long)(value * 1000000.0);
984 tbuf = Null(struct timeval*);
986 for (i = 1; i <= 3; i++) {
993 SvPV_force(sv,n_a); /* force string conversion */
996 Sv_Grow(sv, growsize);
1000 while (++j <= growsize) {
1004 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1006 New(403, fd_sets[i], growsize, char);
1007 for (offset = 0; offset < growsize; offset += masksize) {
1008 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1009 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1012 fd_sets[i] = SvPVX(sv);
1016 nfound = PerlSock_select(
1018 (Select_fd_set_t) fd_sets[1],
1019 (Select_fd_set_t) fd_sets[2],
1020 (Select_fd_set_t) fd_sets[3],
1022 for (i = 1; i <= 3; i++) {
1025 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1027 for (offset = 0; offset < growsize; offset += masksize) {
1028 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1029 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1031 Safefree(fd_sets[i]);
1038 if (GIMME == G_ARRAY && tbuf) {
1039 value = (NV)(timebuf.tv_sec) +
1040 (NV)(timebuf.tv_usec) / 1000000.0;
1041 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1042 sv_setnv(sv, value);
1046 DIE(aTHX_ "select not implemented");
1051 Perl_setdefout(pTHX_ GV *gv)
1055 (void)SvREFCNT_inc(gv);
1057 SvREFCNT_dec(PL_defoutgv);
1064 GV *newdefout, *egv;
1067 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1069 egv = GvEGV(PL_defoutgv);
1074 XPUSHs(&PL_sv_undef);
1076 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1077 if (gvp && *gvp == egv) {
1078 gv_efullname3(TARG, PL_defoutgv, Nullch);
1082 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1087 if (!GvIO(newdefout))
1088 gv_IOadd(newdefout);
1089 setdefout(newdefout);
1108 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1109 I32 gimme = GIMME_V;
1111 XPUSHs(SvTIED_obj((SV*)gv, mg));
1114 call_method("GETC", gimme);
1117 if (gimme == G_SCALAR)
1118 SvSetMagicSV_nosteal(TARG, TOPs);
1121 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1124 sv_setpv(TARG, " ");
1125 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1132 return pp_sysread();
1136 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1139 register PERL_CONTEXT *cx;
1140 I32 gimme = GIMME_V;
1141 AV* padlist = CvPADLIST(cv);
1142 SV** svp = AvARRAY(padlist);
1148 PUSHBLOCK(cx, CXt_SUB, PL_stack_sp);
1150 SAVESPTR(PL_curpad);
1151 PL_curpad = AvARRAY((AV*)svp[1]);
1153 setdefout(gv); /* locally select filehandle so $% et al work */
1185 SV *tmpsv = sv_newmortal();
1186 gv_efullname3(tmpsv, fgv, Nullch);
1187 DIE(aTHX_ "Undefined format \"%s\" called",SvPVX(tmpsv));
1189 DIE(aTHX_ "Not a format reference");
1192 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1194 IoFLAGS(io) &= ~IOf_DIDTOP;
1195 return doform(cv,gv,PL_op->op_next);
1201 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1202 register IO *io = GvIOp(gv);
1203 PerlIO *ofp = IoOFP(io);
1207 register PERL_CONTEXT *cx;
1209 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1210 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1211 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1212 PL_formtarget != PL_toptarget)
1216 if (!IoTOP_GV(io)) {
1220 if (!IoTOP_NAME(io)) {
1221 if (!IoFMT_NAME(io))
1222 IoFMT_NAME(io) = savepv(GvNAME(gv));
1223 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1224 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1225 if ((topgv && GvFORM(topgv)) ||
1226 !gv_fetchpv("top",FALSE,SVt_PVFM))
1227 IoTOP_NAME(io) = savepv(SvPVX(topname));
1229 IoTOP_NAME(io) = savepv("top");
1231 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1232 if (!topgv || !GvFORM(topgv)) {
1233 IoLINES_LEFT(io) = 100000000;
1236 IoTOP_GV(io) = topgv;
1238 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1239 I32 lines = IoLINES_LEFT(io);
1240 char *s = SvPVX(PL_formtarget);
1241 if (lines <= 0) /* Yow, header didn't even fit!!! */
1243 while (lines-- > 0) {
1244 s = strchr(s, '\n');
1250 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1251 sv_chop(PL_formtarget, s);
1252 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1255 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1256 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1257 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1259 PL_formtarget = PL_toptarget;
1260 IoFLAGS(io) |= IOf_DIDTOP;
1263 DIE(aTHX_ "bad top format reference");
1266 SV *tmpsv = sv_newmortal();
1267 gv_efullname3(tmpsv, fgv, Nullch);
1268 DIE(aTHX_ "Undefined top format \"%s\" called",SvPVX(tmpsv));
1271 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1272 return doform(cv,gv,PL_op);
1276 POPBLOCK(cx,PL_curpm);
1282 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1283 SV* sv = sv_newmortal();
1284 gv_efullname3(sv, gv, Nullch);
1286 Perl_warner(aTHX_ WARN_IO,
1287 "Filehandle %s opened only for input",
1289 else if (ckWARN(WARN_CLOSED))
1290 Perl_warner(aTHX_ WARN_CLOSED,
1291 "Write on closed filehandle %s", SvPV_nolen(sv));
1296 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1297 if (ckWARN(WARN_IO))
1298 Perl_warner(aTHX_ WARN_IO, "page overflow");
1300 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1304 FmLINES(PL_formtarget) = 0;
1305 SvCUR_set(PL_formtarget, 0);
1306 *SvEND(PL_formtarget) = '\0';
1307 if (IoFLAGS(io) & IOf_FLUSH)
1308 (void)PerlIO_flush(fp);
1312 PL_formtarget = PL_bodytarget;
1314 return pop_return();
1319 djSP; dMARK; dORIGMARK;
1327 if (PL_op->op_flags & OPf_STACKED)
1332 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1333 if (MARK == ORIGMARK) {
1336 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1340 *MARK = SvTIED_obj((SV*)gv, mg);
1343 call_method("PRINTF", G_SCALAR);
1346 MARK = ORIGMARK + 1;
1353 if (!(io = GvIO(gv))) {
1354 if (ckWARN(WARN_UNOPENED)) {
1355 gv_efullname3(sv, gv, Nullch);
1356 Perl_warner(aTHX_ WARN_UNOPENED,
1357 "Filehandle %s never opened", SvPV(sv,n_a));
1359 SETERRNO(EBADF,RMS$_IFI);
1362 else if (!(fp = IoOFP(io))) {
1363 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1364 gv_efullname3(sv, gv, Nullch);
1366 Perl_warner(aTHX_ WARN_IO,
1367 "Filehandle %s opened only for input",
1369 else if (ckWARN(WARN_CLOSED))
1370 Perl_warner(aTHX_ WARN_CLOSED,
1371 "printf on closed filehandle %s", SvPV(sv,n_a));
1373 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1377 do_sprintf(sv, SP - MARK, MARK + 1);
1378 if (!do_print(sv, fp))
1381 if (IoFLAGS(io) & IOf_FLUSH)
1382 if (PerlIO_flush(fp) == EOF)
1393 PUSHs(&PL_sv_undef);
1414 /* Need TIEHANDLE method ? */
1416 tmps = SvPV(sv, len);
1417 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1418 IoLINES(GvIOp(gv)) = 0;
1422 PUSHs(&PL_sv_undef);
1429 djSP; dMARK; dORIGMARK; dTARGET;
1435 Sock_size_t bufsize;
1441 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1442 (mg = SvTIED_mg((SV*)gv, 'q')))
1447 *MARK = SvTIED_obj((SV*)gv, mg);
1449 call_method("READ", G_SCALAR);
1462 sv_setpvn(bufsv, "", 0);
1463 buffer = SvPV_force(bufsv, blen);
1464 length = SvIVx(*++MARK);
1466 DIE(aTHX_ "Negative length");
1469 offset = SvIVx(*++MARK);
1473 if (!io || !IoIFP(io))
1476 if (PL_op->op_type == OP_RECV) {
1477 char namebuf[MAXPATHLEN];
1478 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1479 bufsize = sizeof (struct sockaddr_in);
1481 bufsize = sizeof namebuf;
1483 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1487 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1491 buffer = SvGROW(bufsv, length+1);
1492 /* 'offset' means 'flags' here */
1493 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1494 (struct sockaddr *)namebuf, &bufsize);
1497 SvCUR_set(bufsv, length);
1498 *SvEND(bufsv) = '\0';
1499 (void)SvPOK_only(bufsv);
1501 /* This should not be marked tainted if the fp is marked clean */
1502 if (!(IoFLAGS(io) & IOf_UNTAINT))
1503 SvTAINTED_on(bufsv);
1505 sv_setpvn(TARG, namebuf, bufsize);
1510 if (PL_op->op_type == OP_RECV)
1511 DIE(aTHX_ PL_no_sock_func, "recv");
1515 DIE(aTHX_ "Offset outside string");
1518 bufsize = SvCUR(bufsv);
1519 buffer = SvGROW(bufsv, length+offset+1);
1520 if (offset > bufsize) { /* Zero any newly allocated space */
1521 Zero(buffer+bufsize, offset-bufsize, char);
1523 if (PL_op->op_type == OP_SYSREAD) {
1524 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1525 if (IoTYPE(io) == 's') {
1526 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1527 buffer+offset, length, 0);
1532 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1533 buffer+offset, length);
1537 #ifdef HAS_SOCKET__bad_code_maybe
1538 if (IoTYPE(io) == 's') {
1539 char namebuf[MAXPATHLEN];
1540 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1541 bufsize = sizeof (struct sockaddr_in);
1543 bufsize = sizeof namebuf;
1545 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1546 (struct sockaddr *)namebuf, &bufsize);
1551 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1552 /* fread() returns 0 on both error and EOF */
1553 if (length == 0 && PerlIO_error(IoIFP(io)))
1557 if (IoTYPE(io) == '>' || IoIFP(io) == PerlIO_stdout()
1558 || IoIFP(io) == PerlIO_stderr())
1560 SV* sv = sv_newmortal();
1561 gv_efullname3(sv, gv, Nullch);
1562 Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for output",
1567 SvCUR_set(bufsv, length+offset);
1568 *SvEND(bufsv) = '\0';
1569 (void)SvPOK_only(bufsv);
1571 /* This should not be marked tainted if the fp is marked clean */
1572 if (!(IoFLAGS(io) & IOf_UNTAINT))
1573 SvTAINTED_on(bufsv);
1586 int items = (SP - PL_stack_base) - TOPMARK;
1590 sv = sv_2mortal(newSViv(sv_len(*SP)));
1599 djSP; dMARK; dORIGMARK; dTARGET;
1610 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1614 *MARK = SvTIED_obj((SV*)gv, mg);
1616 call_method("WRITE", G_SCALAR);
1627 buffer = SvPV(bufsv, blen);
1628 length = SvIVx(*++MARK);
1630 DIE(aTHX_ "Negative length");
1633 if (!io || !IoIFP(io)) {
1635 if (ckWARN(WARN_CLOSED)) {
1636 if (PL_op->op_type == OP_SYSWRITE)
1637 Perl_warner(aTHX_ WARN_CLOSED, "Syswrite on closed filehandle");
1639 Perl_warner(aTHX_ WARN_CLOSED, "Send on closed socket");
1642 else if (PL_op->op_type == OP_SYSWRITE) {
1644 offset = SvIVx(*++MARK);
1647 DIE(aTHX_ "Offset outside string");
1649 } else if (offset >= blen && blen > 0)
1650 DIE(aTHX_ "Offset outside string");
1653 if (length > blen - offset)
1654 length = blen - offset;
1655 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1656 if (IoTYPE(io) == 's') {
1657 length = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1658 buffer+offset, length, 0);
1663 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1664 buffer+offset, length);
1668 else if (SP > MARK) {
1671 sockbuf = SvPVx(*++MARK, mlen);
1672 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1673 (struct sockaddr *)sockbuf, mlen);
1676 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1680 DIE(aTHX_ PL_no_sock_func, "send");
1695 return pp_sysread();
1707 gv = PL_last_in_gv = (GV*)POPs;
1709 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1711 XPUSHs(SvTIED_obj((SV*)gv, mg));
1714 call_method("EOF", G_SCALAR);
1720 PUSHs(boolSV(!gv || do_eof(gv)));
1733 gv = PL_last_in_gv = (GV*)POPs;
1735 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1737 XPUSHs(SvTIED_obj((SV*)gv, mg));
1740 call_method("TELL", G_SCALAR);
1746 PUSHi( do_tell(gv) );
1752 return pp_sysseek();
1760 Off_t offset = POPl;
1763 gv = PL_last_in_gv = (GV*)POPs;
1765 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1767 XPUSHs(SvTIED_obj((SV*)gv, mg));
1768 XPUSHs(sv_2mortal(newSViv((IV) offset)));
1769 XPUSHs(sv_2mortal(newSViv((IV) whence)));
1772 call_method("SEEK", G_SCALAR);
1778 if (PL_op->op_type == OP_SEEK)
1779 PUSHs(boolSV(do_seek(gv, offset, whence)));
1781 Off_t n = do_sysseek(gv, offset, whence);
1782 PUSHs((n < 0) ? &PL_sv_undef
1783 : sv_2mortal(n ? newSViv((IV)n)
1784 : newSVpvn(zero_but_true, ZBTLEN)));
1792 Off_t len = (Off_t)POPn;
1798 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1799 if (PL_op->op_flags & OPf_SPECIAL) {
1800 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1802 TAINT_PROPER("truncate");
1803 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1805 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1807 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1816 if (SvTYPE(sv) == SVt_PVGV) {
1817 tmpgv = (GV*)sv; /* *main::FRED for example */
1820 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1821 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1825 name = SvPV(sv, n_a);
1826 TAINT_PROPER("truncate");
1828 if (truncate(name, len) < 0)
1833 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1836 if (my_chsize(tmpfd, len) < 0)
1838 PerlLIO_close(tmpfd);
1847 SETERRNO(EBADF,RMS$_IFI);
1850 DIE(aTHX_ "truncate not implemented");
1863 unsigned int func = U_I(POPn);
1864 int optype = PL_op->op_type;
1870 if (!io || !argsv || !IoIFP(io)) {
1871 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1875 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1878 s = SvPV_force(argsv, len);
1879 need = IOCPARM_LEN(func);
1881 s = Sv_Grow(argsv, need + 1);
1882 SvCUR_set(argsv, need);
1885 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1888 retval = SvIV(argsv);
1889 s = (char*)retval; /* ouch */
1892 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1894 if (optype == OP_IOCTL)
1896 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1898 DIE(aTHX_ "ioctl is not implemented");
1902 #if defined(OS2) && defined(__EMX__)
1903 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1905 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1908 DIE(aTHX_ "fcntl is not implemented");
1912 if (s[SvCUR(argsv)] != 17)
1913 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
1914 PL_op_name[optype]);
1915 s[SvCUR(argsv)] = 0; /* put our null back */
1916 SvSETMAGIC(argsv); /* Assume it has changed */
1925 PUSHp(zero_but_true, ZBTLEN);
1945 fp = IoIFP(GvIOp(gv));
1949 (void)PerlIO_flush(fp);
1950 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1957 DIE(aTHX_ PL_no_func, "flock()");
1969 int protocol = POPi;
1977 SETERRNO(EBADF,LIB$_INVARG);
1983 do_close(gv, FALSE);
1985 TAINT_PROPER("socket");
1986 fd = PerlSock_socket(domain, type, protocol);
1989 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1990 IoOFP(io) = PerlIO_fdopen(fd, "w");
1992 if (!IoIFP(io) || !IoOFP(io)) {
1993 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1994 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1995 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2001 DIE(aTHX_ PL_no_sock_func, "socket");
2008 #ifdef HAS_SOCKETPAIR
2013 int protocol = POPi;
2026 do_close(gv1, FALSE);
2028 do_close(gv2, FALSE);
2030 TAINT_PROPER("socketpair");
2031 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2033 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2034 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2036 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2037 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2039 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2040 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2041 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2042 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2043 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2044 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2045 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2051 DIE(aTHX_ PL_no_sock_func, "socketpair");
2059 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2060 extern GETPRIVMODE();
2061 extern GETUSERMODE();
2066 register IO *io = GvIOn(gv);
2070 int mpeprivmode = 0;
2073 if (!io || !IoIFP(io))
2076 addr = SvPV(addrsv, len);
2077 TAINT_PROPER("bind");
2078 #ifdef MPE /* Deal with MPE bind() peculiarities */
2079 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2080 /* The address *MUST* stupidly be zero. */
2081 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2082 /* PRIV mode is required to bind() to ports < 1024. */
2083 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2084 ((struct sockaddr_in *)addr)->sin_port > 0) {
2085 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2090 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2091 (struct sockaddr *)addr, len) >= 0)
2094 #ifdef MPE /* Switch back to USER mode */
2105 if (ckWARN(WARN_CLOSED))
2106 Perl_warner(aTHX_ WARN_CLOSED, "bind() on closed fd");
2107 SETERRNO(EBADF,SS$_IVCHAN);
2110 DIE(aTHX_ PL_no_sock_func, "bind");
2121 register IO *io = GvIOn(gv);
2124 if (!io || !IoIFP(io))
2127 addr = SvPV(addrsv, len);
2128 TAINT_PROPER("connect");
2129 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2135 if (ckWARN(WARN_CLOSED))
2136 Perl_warner(aTHX_ WARN_CLOSED, "connect() on closed fd");
2137 SETERRNO(EBADF,SS$_IVCHAN);
2140 DIE(aTHX_ PL_no_sock_func, "connect");
2150 register IO *io = GvIOn(gv);
2152 if (!io || !IoIFP(io))
2155 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2161 if (ckWARN(WARN_CLOSED))
2162 Perl_warner(aTHX_ WARN_CLOSED, "listen() on closed fd");
2163 SETERRNO(EBADF,SS$_IVCHAN);
2166 DIE(aTHX_ PL_no_sock_func, "listen");
2178 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2179 Sock_size_t len = sizeof saddr;
2191 if (!gstio || !IoIFP(gstio))
2196 do_close(ngv, FALSE);
2198 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2201 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2202 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2203 IoTYPE(nstio) = 's';
2204 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2205 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2206 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2207 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2211 PUSHp((char *)&saddr, len);
2215 if (ckWARN(WARN_CLOSED))
2216 Perl_warner(aTHX_ WARN_CLOSED, "accept() on closed fd");
2217 SETERRNO(EBADF,SS$_IVCHAN);
2223 DIE(aTHX_ PL_no_sock_func, "accept");
2233 register IO *io = GvIOn(gv);
2235 if (!io || !IoIFP(io))
2238 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2242 if (ckWARN(WARN_CLOSED))
2243 Perl_warner(aTHX_ WARN_CLOSED, "shutdown() on closed fd");
2244 SETERRNO(EBADF,SS$_IVCHAN);
2247 DIE(aTHX_ PL_no_sock_func, "shutdown");
2254 return pp_ssockopt();
2256 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2264 int optype = PL_op->op_type;
2267 unsigned int optname;
2273 if (optype == OP_GSOCKOPT)
2274 sv = sv_2mortal(NEWSV(22, 257));
2277 optname = (unsigned int) POPi;
2278 lvl = (unsigned int) POPi;
2282 if (!io || !IoIFP(io))
2285 fd = PerlIO_fileno(IoIFP(io));
2289 (void)SvPOK_only(sv);
2293 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2308 aint = (int)SvIV(sv);
2312 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2321 if (ckWARN(WARN_CLOSED))
2322 Perl_warner(aTHX_ WARN_CLOSED, "[gs]etsockopt() on closed fd");
2323 SETERRNO(EBADF,SS$_IVCHAN);
2328 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2335 return pp_getpeername();
2337 DIE(aTHX_ PL_no_sock_func, "getsockname");
2345 int optype = PL_op->op_type;
2349 register IO *io = GvIOn(gv);
2352 if (!io || !IoIFP(io))
2355 sv = sv_2mortal(NEWSV(22, 257));
2356 (void)SvPOK_only(sv);
2360 fd = PerlIO_fileno(IoIFP(io));
2362 case OP_GETSOCKNAME:
2363 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2366 case OP_GETPEERNAME:
2367 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2369 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2371 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2372 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2373 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2374 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2375 sizeof(u_short) + sizeof(struct in_addr))) {
2382 #ifdef BOGUS_GETNAME_RETURN
2383 /* Interactive Unix, getpeername() and getsockname()
2384 does not return valid namelen */
2385 if (len == BOGUS_GETNAME_RETURN)
2386 len = sizeof(struct sockaddr);
2394 if (ckWARN(WARN_CLOSED))
2395 Perl_warner(aTHX_ WARN_CLOSED, "get{sock, peer}name() on closed fd");
2396 SETERRNO(EBADF,SS$_IVCHAN);
2401 DIE(aTHX_ PL_no_sock_func, "getpeername");
2420 if (PL_op->op_flags & OPf_REF) {
2421 tmpgv = cGVOP->op_gv;
2423 if (tmpgv != PL_defgv) {
2424 PL_laststype = OP_STAT;
2426 sv_setpv(PL_statname, "");
2427 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2428 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2430 if (PL_laststatval < 0)
2435 if (SvTYPE(sv) == SVt_PVGV) {
2439 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2440 tmpgv = (GV*)SvRV(sv);
2443 sv_setpv(PL_statname, SvPV(sv,n_a));
2446 PL_laststype = PL_op->op_type;
2447 if (PL_op->op_type == OP_LSTAT)
2448 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2451 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2452 if (PL_laststatval < 0) {
2453 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2454 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2460 if (gimme != G_ARRAY) {
2461 if (gimme != G_VOID)
2462 XPUSHs(boolSV(max));
2468 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_dev)));
2469 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ino)));
2470 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mode)));
2471 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_nlink)));
2472 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_uid)));
2473 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_gid)));
2474 #ifdef USE_STAT_RDEV
2475 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_rdev)));
2477 PUSHs(sv_2mortal(newSVpvn("", 0)));
2479 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_size)));
2481 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_atime)));
2482 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_mtime)));
2483 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_ctime)));
2485 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_atime)));
2486 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mtime)));
2487 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ctime)));
2489 #ifdef USE_STAT_BLOCKS
2490 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blksize)));
2491 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blocks)));
2493 PUSHs(sv_2mortal(newSVpvn("", 0)));
2494 PUSHs(sv_2mortal(newSVpvn("", 0)));
2504 #if defined(HAS_ACCESS) && defined(R_OK)
2506 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2507 result = access(TOPpx, R_OK);
2522 if (cando(S_IRUSR, 0, &PL_statcache))
2531 #if defined(HAS_ACCESS) && defined(W_OK)
2533 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2534 result = access(TOPpx, W_OK);
2549 if (cando(S_IWUSR, 0, &PL_statcache))
2558 #if defined(HAS_ACCESS) && defined(X_OK)
2560 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2561 result = access(TOPpx, X_OK);
2576 if (cando(S_IXUSR, 0, &PL_statcache))
2585 #ifdef PERL_EFF_ACCESS_R_OK
2587 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2588 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2603 if (cando(S_IRUSR, 1, &PL_statcache))
2612 #ifdef PERL_EFF_ACCESS_W_OK
2614 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2615 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2630 if (cando(S_IWUSR, 1, &PL_statcache))
2639 #ifdef PERL_EFF_ACCESS_X_OK
2641 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2642 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2657 if (cando(S_IXUSR, 1, &PL_statcache))
2664 I32 result = my_stat();
2673 return pp_ftrowned();
2678 I32 result = my_stat();
2682 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? PL_euid : PL_uid) )
2689 I32 result = my_stat();
2693 if (!PL_statcache.st_size)
2700 I32 result = my_stat();
2704 PUSHi(PL_statcache.st_size);
2710 I32 result = my_stat();
2714 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_mtime) / 86400.0 );
2720 I32 result = my_stat();
2724 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_atime) / 86400.0 );
2730 I32 result = my_stat();
2734 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_ctime) / 86400.0 );
2740 I32 result = my_stat();
2744 if (S_ISSOCK(PL_statcache.st_mode))
2751 I32 result = my_stat();
2755 if (S_ISCHR(PL_statcache.st_mode))
2762 I32 result = my_stat();
2766 if (S_ISBLK(PL_statcache.st_mode))
2773 I32 result = my_stat();
2777 if (S_ISREG(PL_statcache.st_mode))
2784 I32 result = my_stat();
2788 if (S_ISDIR(PL_statcache.st_mode))
2795 I32 result = my_stat();
2799 if (S_ISFIFO(PL_statcache.st_mode))
2806 I32 result = my_lstat();
2810 if (S_ISLNK(PL_statcache.st_mode))
2819 I32 result = my_stat();
2823 if (PL_statcache.st_mode & S_ISUID)
2833 I32 result = my_stat();
2837 if (PL_statcache.st_mode & S_ISGID)
2847 I32 result = my_stat();
2851 if (PL_statcache.st_mode & S_ISVTX)
2862 char *tmps = Nullch;
2865 if (PL_op->op_flags & OPf_REF)
2867 else if (isGV(TOPs))
2869 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2870 gv = (GV*)SvRV(POPs);
2872 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2874 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2875 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2876 else if (tmps && isDIGIT(*tmps))
2880 if (PerlLIO_isatty(fd))
2885 #if defined(atarist) /* this will work with atariST. Configure will
2886 make guesses for other systems. */
2887 # define FILE_base(f) ((f)->_base)
2888 # define FILE_ptr(f) ((f)->_ptr)
2889 # define FILE_cnt(f) ((f)->_cnt)
2890 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2900 register STDCHAR *s;
2906 if (PL_op->op_flags & OPf_REF)
2908 else if (isGV(TOPs))
2910 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2911 gv = (GV*)SvRV(POPs);
2917 if (gv == PL_defgv) {
2919 io = GvIO(PL_statgv);
2922 goto really_filename;
2927 PL_laststatval = -1;
2928 sv_setpv(PL_statname, "");
2929 io = GvIO(PL_statgv);
2931 if (io && IoIFP(io)) {
2932 if (! PerlIO_has_base(IoIFP(io)))
2933 DIE(aTHX_ "-T and -B not implemented on filehandles");
2934 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
2935 if (PL_laststatval < 0)
2937 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
2938 if (PL_op->op_type == OP_FTTEXT)
2942 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2943 i = PerlIO_getc(IoIFP(io));
2945 (void)PerlIO_ungetc(IoIFP(io),i);
2947 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2949 len = PerlIO_get_bufsiz(IoIFP(io));
2950 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2951 /* sfio can have large buffers - limit to 512 */
2956 if (ckWARN(WARN_UNOPENED))
2957 Perl_warner(aTHX_ WARN_UNOPENED, "Test on unopened file <%s>",
2958 GvENAME(cGVOP->op_gv));
2959 SETERRNO(EBADF,RMS$_IFI);
2967 PL_laststatval = -1;
2968 sv_setpv(PL_statname, SvPV(sv, n_a));
2970 i = PerlLIO_open3(SvPV(sv, n_a), O_RDONLY, 0);
2972 i = PerlLIO_open(SvPV(sv, n_a), 0);
2975 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
2976 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
2979 PL_laststatval = PerlLIO_fstat(i, &PL_statcache);
2980 if (PL_laststatval < 0)
2982 len = PerlLIO_read(i, tbuf, 512);
2983 (void)PerlLIO_close(i);
2985 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
2986 RETPUSHNO; /* special case NFS directories */
2987 RETPUSHYES; /* null file is anything */
2992 /* now scan s to look for textiness */
2993 /* XXX ASCII dependent code */
2995 for (i = 0; i < len; i++, s++) {
2996 if (!*s) { /* null never allowed in text */
3001 else if (!(isPRINT(*s) || isSPACE(*s)))
3007 *s != '\n' && *s != '\r' && *s != '\b' &&
3008 *s != '\t' && *s != '\f' && *s != 27)
3013 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3037 if (!tmps || !*tmps) {
3038 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3040 tmps = SvPV(*svp, n_a);
3042 if (!tmps || !*tmps) {
3043 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3045 tmps = SvPV(*svp, n_a);
3048 if (!tmps || !*tmps) {
3049 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3051 tmps = SvPV(*svp, n_a);
3054 TAINT_PROPER("chdir");
3055 PUSHi( PerlDir_chdir(tmps) >= 0 );
3057 /* Clear the DEFAULT element of ENV so we'll get the new value
3059 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3066 djSP; dMARK; dTARGET;
3069 value = (I32)apply(PL_op->op_type, MARK, SP);
3074 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3085 TAINT_PROPER("chroot");
3086 PUSHi( chroot(tmps) >= 0 );
3089 DIE(aTHX_ PL_no_func, "chroot");
3095 djSP; dMARK; dTARGET;
3097 value = (I32)apply(PL_op->op_type, MARK, SP);
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);
3129 char *tmps2 = POPpx;
3130 char *tmps = SvPV(TOPs, n_a);
3131 TAINT_PROPER("rename");
3133 anum = PerlLIO_rename(tmps, tmps2);
3135 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3136 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3139 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3140 (void)UNLINK(tmps2);
3141 if (!(anum = link(tmps, tmps2)))
3142 anum = UNLINK(tmps);
3155 char *tmps2 = POPpx;
3156 char *tmps = SvPV(TOPs, n_a);
3157 TAINT_PROPER("link");
3158 SETi( link(tmps, tmps2) >= 0 );
3160 DIE(aTHX_ PL_no_func, "Unsupported function link");
3170 char *tmps2 = POPpx;
3171 char *tmps = SvPV(TOPs, n_a);
3172 TAINT_PROPER("symlink");
3173 SETi( symlink(tmps, tmps2) >= 0 );
3176 DIE(aTHX_ PL_no_func, "symlink");
3185 char buf[MAXPATHLEN];
3189 #ifndef INCOMPLETE_TAINTS
3193 len = readlink(tmps, buf, sizeof buf);
3201 RETSETUNDEF; /* just pretend it's a normal file */
3205 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3207 S_dooneliner(pTHX_ char *cmd, char *filename)
3209 char *save_filename = filename;
3215 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3216 strcpy(cmdline, cmd);
3217 strcat(cmdline, " ");
3218 for (s = cmdline + strlen(cmdline); *filename; ) {
3223 myfp = PerlProc_popen(cmdline, "r");
3227 SV *tmpsv = sv_newmortal();
3228 /* Need to save/restore 'PL_rs' ?? */
3229 s = sv_gets(tmpsv, myfp, 0);
3230 (void)PerlProc_pclose(myfp);
3234 #ifdef HAS_SYS_ERRLIST
3239 /* you don't see this */
3241 #ifdef HAS_SYS_ERRLIST
3249 if (instr(s, errmsg)) {
3256 #define EACCES EPERM
3258 if (instr(s, "cannot make"))
3259 SETERRNO(EEXIST,RMS$_FEX);
3260 else if (instr(s, "existing file"))
3261 SETERRNO(EEXIST,RMS$_FEX);
3262 else if (instr(s, "ile exists"))
3263 SETERRNO(EEXIST,RMS$_FEX);
3264 else if (instr(s, "non-exist"))
3265 SETERRNO(ENOENT,RMS$_FNF);
3266 else if (instr(s, "does not exist"))
3267 SETERRNO(ENOENT,RMS$_FNF);
3268 else if (instr(s, "not empty"))
3269 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3270 else if (instr(s, "cannot access"))
3271 SETERRNO(EACCES,RMS$_PRV);
3273 SETERRNO(EPERM,RMS$_PRV);
3276 else { /* some mkdirs return no failure indication */
3277 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3278 if (PL_op->op_type == OP_RMDIR)
3283 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3300 char *tmps = SvPV(TOPs, n_a);
3302 TAINT_PROPER("mkdir");
3304 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3306 SETi( dooneliner("mkdir", tmps) );
3307 oldumask = PerlLIO_umask(0);
3308 PerlLIO_umask(oldumask);
3309 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3321 TAINT_PROPER("rmdir");
3323 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3325 XPUSHi( dooneliner("rmdir", tmps) );
3330 /* Directory calls. */
3335 #if defined(Direntry_t) && defined(HAS_READDIR)
3337 char *dirname = POPpx;
3339 register IO *io = GvIOn(gv);
3345 PerlDir_close(IoDIRP(io));
3346 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3352 SETERRNO(EBADF,RMS$_DIR);
3355 DIE(aTHX_ PL_no_dir_func, "opendir");
3362 #if defined(Direntry_t) && defined(HAS_READDIR)
3364 Direntry_t *readdir (DIR *);
3366 register Direntry_t *dp;
3368 register IO *io = GvIOn(gv);
3371 if (!io || !IoDIRP(io))
3374 if (GIMME == G_ARRAY) {
3376 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3378 sv = newSVpvn(dp->d_name, dp->d_namlen);
3380 sv = newSVpv(dp->d_name, 0);
3382 #ifndef INCOMPLETE_TAINTS
3385 XPUSHs(sv_2mortal(sv));
3389 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3392 sv = newSVpvn(dp->d_name, dp->d_namlen);
3394 sv = newSVpv(dp->d_name, 0);
3396 #ifndef INCOMPLETE_TAINTS
3399 XPUSHs(sv_2mortal(sv));
3405 SETERRNO(EBADF,RMS$_ISI);
3406 if (GIMME == G_ARRAY)
3411 DIE(aTHX_ PL_no_dir_func, "readdir");
3418 #if defined(HAS_TELLDIR) || defined(telldir)
3419 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3420 /* XXX netbsd still seemed to.
3421 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3422 --JHI 1999-Feb-02 */
3423 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3424 long telldir (DIR *);
3427 register IO *io = GvIOn(gv);
3429 if (!io || !IoDIRP(io))
3432 PUSHi( PerlDir_tell(IoDIRP(io)) );
3436 SETERRNO(EBADF,RMS$_ISI);
3439 DIE(aTHX_ PL_no_dir_func, "telldir");
3446 #if defined(HAS_SEEKDIR) || defined(seekdir)
3449 register IO *io = GvIOn(gv);
3451 if (!io || !IoDIRP(io))
3454 (void)PerlDir_seek(IoDIRP(io), along);
3459 SETERRNO(EBADF,RMS$_ISI);
3462 DIE(aTHX_ PL_no_dir_func, "seekdir");
3469 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3471 register IO *io = GvIOn(gv);
3473 if (!io || !IoDIRP(io))
3476 (void)PerlDir_rewind(IoDIRP(io));
3480 SETERRNO(EBADF,RMS$_ISI);
3483 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3490 #if defined(Direntry_t) && defined(HAS_READDIR)
3492 register IO *io = GvIOn(gv);
3494 if (!io || !IoDIRP(io))
3497 #ifdef VOID_CLOSEDIR
3498 PerlDir_close(IoDIRP(io));
3500 if (PerlDir_close(IoDIRP(io)) < 0) {
3501 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3510 SETERRNO(EBADF,RMS$_IFI);
3513 DIE(aTHX_ PL_no_dir_func, "closedir");
3517 /* Process control. */
3527 PERL_FLUSHALL_FOR_CHILD;
3533 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3534 sv_setiv(GvSV(tmpgv), (IV)getpid());
3535 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3540 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3546 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3551 childpid = wait4pid(-1, &argflags, 0);
3552 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3556 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3562 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3570 childpid = wait4pid(childpid, &argflags, optype);
3571 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3575 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3581 djSP; dMARK; dORIGMARK; dTARGET;
3586 Sigsave_t ihand,qhand; /* place to save signals during system() */
3591 if (SP - MARK == 1) {
3593 char *junk = SvPV(TOPs, n_a);
3595 TAINT_PROPER("system");
3598 PERL_FLUSHALL_FOR_CHILD;
3599 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3600 if (PerlProc_pipe(pp) >= 0)
3602 while ((childpid = vfork()) == -1) {
3603 if (errno != EAGAIN) {
3608 PerlLIO_close(pp[0]);
3609 PerlLIO_close(pp[1]);
3617 PerlLIO_close(pp[1]);
3618 rsignal_save(SIGINT, SIG_IGN, &ihand);
3619 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3621 result = wait4pid(childpid, &status, 0);
3622 } while (result == -1 && errno == EINTR);
3623 (void)rsignal_restore(SIGINT, &ihand);
3624 (void)rsignal_restore(SIGQUIT, &qhand);
3625 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3626 do_execfree(); /* free any memory child malloced on vfork */
3632 while (n < sizeof(int)) {
3633 n1 = PerlLIO_read(pp[0],
3634 (void*)(((char*)&errkid)+n),
3640 PerlLIO_close(pp[0]);
3641 if (n) { /* Error */
3642 if (n != sizeof(int))
3643 Perl_croak(aTHX_ "panic: kid popen errno read");
3644 errno = errkid; /* Propagate errno from kid */
3645 STATUS_CURRENT = -1;
3648 PUSHi(STATUS_CURRENT);
3652 PerlLIO_close(pp[0]);
3653 #if defined(HAS_FCNTL) && defined(F_SETFD)
3654 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3657 if (PL_op->op_flags & OPf_STACKED) {
3658 SV *really = *++MARK;
3659 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3661 else if (SP - MARK != 1)
3662 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3664 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3667 #else /* ! FORK or VMS or OS/2 */
3668 if (PL_op->op_flags & OPf_STACKED) {
3669 SV *really = *++MARK;
3670 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3672 else if (SP - MARK != 1)
3673 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3675 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3677 STATUS_NATIVE_SET(value);
3680 PUSHi(STATUS_CURRENT);
3681 #endif /* !FORK or VMS */
3687 djSP; dMARK; dORIGMARK; dTARGET;
3691 PERL_FLUSHALL_FOR_CHILD;
3692 if (PL_op->op_flags & OPf_STACKED) {
3693 SV *really = *++MARK;
3694 value = (I32)do_aexec(really, MARK, SP);
3696 else if (SP - MARK != 1)
3698 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3702 (void ) do_aspawn(Nullsv, MARK, SP);
3706 value = (I32)do_aexec(Nullsv, MARK, SP);
3711 char *junk = SvPV(*SP, n_a);
3713 TAINT_PROPER("exec");
3716 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3719 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3722 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3733 djSP; dMARK; dTARGET;
3736 value = (I32)apply(PL_op->op_type, MARK, SP);
3741 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3749 XPUSHi( getppid() );
3752 DIE(aTHX_ PL_no_func, "getppid");
3768 value = (I32)BSD_GETPGRP(pid);
3770 if (pid != 0 && pid != getpid())
3771 DIE(aTHX_ "POSIX getpgrp can't take an argument");
3772 value = (I32)getpgrp();
3777 DIE(aTHX_ PL_no_func, "getpgrp()");
3796 TAINT_PROPER("setpgrp");
3798 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3800 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3801 DIE(aTHX_ "POSIX setpgrp can't take an argument");
3802 SETi( setpgrp() >= 0 );
3803 #endif /* USE_BSDPGRP */
3806 DIE(aTHX_ PL_no_func, "setpgrp()");
3815 #ifdef HAS_GETPRIORITY
3818 SETi( getpriority(which, who) );
3821 DIE(aTHX_ PL_no_func, "getpriority()");
3831 #ifdef HAS_SETPRIORITY
3835 TAINT_PROPER("setpriority");
3836 SETi( setpriority(which, who, niceval) >= 0 );
3839 DIE(aTHX_ PL_no_func, "setpriority()");
3849 XPUSHn( time(Null(Time_t*)) );
3851 XPUSHi( time(Null(Time_t*)) );
3856 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3857 to HZ. Probably. For now, assume that if the system
3858 defines HZ, it does so correctly. (Will this break
3860 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3861 it's supported. --AD 9/96.
3877 DIE(aTHX_ "times not implemented");
3882 (void)PerlProc_times(&PL_timesbuf);
3884 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3885 /* struct tms, though same data */
3889 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
3890 if (GIMME == G_ARRAY) {
3891 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
3892 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
3893 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
3896 #endif /* HAS_TIMES */
3909 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3910 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3911 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3917 when = (Time_t)SvNVx(POPs);
3919 when = (Time_t)SvIVx(POPs);
3922 if (PL_op->op_type == OP_LOCALTIME)
3923 tmbuf = localtime(&when);
3925 tmbuf = gmtime(&when);
3929 if (GIMME != G_ARRAY) {
3934 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
3935 dayname[tmbuf->tm_wday],
3936 monname[tmbuf->tm_mon],
3941 tmbuf->tm_year + 1900);
3942 PUSHs(sv_2mortal(tsv));
3945 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3946 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3947 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3948 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3949 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3950 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3951 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3952 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3953 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3964 anum = alarm((unsigned int)anum);
3971 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
3982 (void)time(&lasttime);
3987 PerlProc_sleep((unsigned int)duration);
3990 XPUSHi(when - lasttime);
3994 /* Shared memory. */
4008 return pp_shmwrite();
4013 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4014 djSP; dMARK; dTARGET;
4015 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4024 /* Message passing. */
4038 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4039 djSP; dMARK; dTARGET;
4040 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4051 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4052 djSP; dMARK; dTARGET;
4053 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4066 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4067 djSP; dMARK; dTARGET;
4068 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4075 DIE(aTHX_ "System V IPC is not implemented on this machine");
4081 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4082 djSP; dMARK; dTARGET;
4083 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4091 PUSHp(zero_but_true, ZBTLEN);
4101 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4102 djSP; dMARK; dTARGET;
4103 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4112 /* Get system info. */
4116 #ifdef HAS_GETHOSTBYNAME
4117 return pp_ghostent();
4119 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4125 #ifdef HAS_GETHOSTBYADDR
4126 return pp_ghostent();
4128 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4135 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4136 I32 which = PL_op->op_type;
4137 register char **elem;
4139 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4140 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4141 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4142 struct hostent *PerlSock_gethostent(void);
4144 struct hostent *hent;
4149 if (which == OP_GHBYNAME)
4150 #ifdef HAS_GETHOSTBYNAME
4151 hent = PerlSock_gethostbyname(POPpx);
4153 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4155 else if (which == OP_GHBYADDR) {
4156 #ifdef HAS_GETHOSTBYADDR
4157 int addrtype = POPi;
4160 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4162 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4164 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4168 #ifdef HAS_GETHOSTENT
4169 hent = PerlSock_gethostent();
4171 DIE(aTHX_ PL_no_sock_func, "gethostent");
4174 #ifdef HOST_NOT_FOUND
4176 STATUS_NATIVE_SET(h_errno);
4179 if (GIMME != G_ARRAY) {
4180 PUSHs(sv = sv_newmortal());
4182 if (which == OP_GHBYNAME) {
4184 sv_setpvn(sv, hent->h_addr, hent->h_length);
4187 sv_setpv(sv, (char*)hent->h_name);
4193 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4194 sv_setpv(sv, (char*)hent->h_name);
4195 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4196 for (elem = hent->h_aliases; elem && *elem; elem++) {
4197 sv_catpv(sv, *elem);
4199 sv_catpvn(sv, " ", 1);
4201 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4202 sv_setiv(sv, (IV)hent->h_addrtype);
4203 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4204 len = hent->h_length;
4205 sv_setiv(sv, (IV)len);
4207 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4208 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4209 sv_setpvn(sv, *elem, len);
4212 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4214 sv_setpvn(sv, hent->h_addr, len);
4219 DIE(aTHX_ PL_no_sock_func, "gethostent");
4225 #ifdef HAS_GETNETBYNAME
4226 return pp_gnetent();
4228 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4234 #ifdef HAS_GETNETBYADDR
4235 return pp_gnetent();
4237 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4244 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4245 I32 which = PL_op->op_type;
4246 register char **elem;
4248 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4249 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4250 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4251 struct netent *PerlSock_getnetent(void);
4253 struct netent *nent;
4256 if (which == OP_GNBYNAME)
4257 #ifdef HAS_GETNETBYNAME
4258 nent = PerlSock_getnetbyname(POPpx);
4260 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4262 else if (which == OP_GNBYADDR) {
4263 #ifdef HAS_GETNETBYADDR
4264 int addrtype = POPi;
4265 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4266 nent = PerlSock_getnetbyaddr(addr, addrtype);
4268 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4272 #ifdef HAS_GETNETENT
4273 nent = PerlSock_getnetent();
4275 DIE(aTHX_ PL_no_sock_func, "getnetent");
4279 if (GIMME != G_ARRAY) {
4280 PUSHs(sv = sv_newmortal());
4282 if (which == OP_GNBYNAME)
4283 sv_setiv(sv, (IV)nent->n_net);
4285 sv_setpv(sv, nent->n_name);
4291 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4292 sv_setpv(sv, nent->n_name);
4293 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4294 for (elem = nent->n_aliases; elem && *elem; elem++) {
4295 sv_catpv(sv, *elem);
4297 sv_catpvn(sv, " ", 1);
4299 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4300 sv_setiv(sv, (IV)nent->n_addrtype);
4301 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4302 sv_setiv(sv, (IV)nent->n_net);
4307 DIE(aTHX_ PL_no_sock_func, "getnetent");
4313 #ifdef HAS_GETPROTOBYNAME
4314 return pp_gprotoent();
4316 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4322 #ifdef HAS_GETPROTOBYNUMBER
4323 return pp_gprotoent();
4325 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4332 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4333 I32 which = PL_op->op_type;
4334 register char **elem;
4336 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4337 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4338 struct protoent *PerlSock_getprotobynumber(int);
4339 struct protoent *PerlSock_getprotoent(void);
4341 struct protoent *pent;
4344 if (which == OP_GPBYNAME)
4345 #ifdef HAS_GETPROTOBYNAME
4346 pent = PerlSock_getprotobyname(POPpx);
4348 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4350 else if (which == OP_GPBYNUMBER)
4351 #ifdef HAS_GETPROTOBYNUMBER
4352 pent = PerlSock_getprotobynumber(POPi);
4354 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4357 #ifdef HAS_GETPROTOENT
4358 pent = PerlSock_getprotoent();
4360 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4364 if (GIMME != G_ARRAY) {
4365 PUSHs(sv = sv_newmortal());
4367 if (which == OP_GPBYNAME)
4368 sv_setiv(sv, (IV)pent->p_proto);
4370 sv_setpv(sv, pent->p_name);
4376 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4377 sv_setpv(sv, pent->p_name);
4378 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4379 for (elem = pent->p_aliases; elem && *elem; elem++) {
4380 sv_catpv(sv, *elem);
4382 sv_catpvn(sv, " ", 1);
4384 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4385 sv_setiv(sv, (IV)pent->p_proto);
4390 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4396 #ifdef HAS_GETSERVBYNAME
4397 return pp_gservent();
4399 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4405 #ifdef HAS_GETSERVBYPORT
4406 return pp_gservent();
4408 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4415 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4416 I32 which = PL_op->op_type;
4417 register char **elem;
4419 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4420 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4421 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4422 struct servent *PerlSock_getservent(void);
4424 struct servent *sent;
4427 if (which == OP_GSBYNAME) {
4428 #ifdef HAS_GETSERVBYNAME
4429 char *proto = POPpx;
4432 if (proto && !*proto)
4435 sent = PerlSock_getservbyname(name, proto);
4437 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4440 else if (which == OP_GSBYPORT) {
4441 #ifdef HAS_GETSERVBYPORT
4442 char *proto = POPpx;
4443 unsigned short port = POPu;
4446 port = PerlSock_htons(port);
4448 sent = PerlSock_getservbyport(port, proto);
4450 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4454 #ifdef HAS_GETSERVENT
4455 sent = PerlSock_getservent();
4457 DIE(aTHX_ PL_no_sock_func, "getservent");
4461 if (GIMME != G_ARRAY) {
4462 PUSHs(sv = sv_newmortal());
4464 if (which == OP_GSBYNAME) {
4466 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4468 sv_setiv(sv, (IV)(sent->s_port));
4472 sv_setpv(sv, sent->s_name);
4478 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4479 sv_setpv(sv, sent->s_name);
4480 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4481 for (elem = sent->s_aliases; elem && *elem; elem++) {
4482 sv_catpv(sv, *elem);
4484 sv_catpvn(sv, " ", 1);
4486 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4488 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4490 sv_setiv(sv, (IV)(sent->s_port));
4492 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4493 sv_setpv(sv, sent->s_proto);
4498 DIE(aTHX_ PL_no_sock_func, "getservent");
4505 #ifdef HAS_SETHOSTENT
4506 PerlSock_sethostent(TOPi);
4509 DIE(aTHX_ PL_no_sock_func, "sethostent");
4516 #ifdef HAS_SETNETENT
4517 PerlSock_setnetent(TOPi);
4520 DIE(aTHX_ PL_no_sock_func, "setnetent");
4527 #ifdef HAS_SETPROTOENT
4528 PerlSock_setprotoent(TOPi);
4531 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4538 #ifdef HAS_SETSERVENT
4539 PerlSock_setservent(TOPi);
4542 DIE(aTHX_ PL_no_sock_func, "setservent");
4549 #ifdef HAS_ENDHOSTENT
4550 PerlSock_endhostent();
4554 DIE(aTHX_ PL_no_sock_func, "endhostent");
4561 #ifdef HAS_ENDNETENT
4562 PerlSock_endnetent();
4566 DIE(aTHX_ PL_no_sock_func, "endnetent");
4573 #ifdef HAS_ENDPROTOENT
4574 PerlSock_endprotoent();
4578 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4585 #ifdef HAS_ENDSERVENT
4586 PerlSock_endservent();
4590 DIE(aTHX_ PL_no_sock_func, "endservent");
4599 DIE(aTHX_ PL_no_func, "getpwnam");
4608 DIE(aTHX_ PL_no_func, "getpwuid");
4615 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4616 I32 which = PL_op->op_type;
4618 struct passwd *pwent;
4620 #if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4621 struct spwd *spwent = NULL;
4624 if (which == OP_GPWNAM)
4625 pwent = getpwnam(POPpx);
4626 else if (which == OP_GPWUID)
4627 pwent = getpwuid(POPi);
4629 pwent = (struct passwd *)getpwent();
4632 if (which == OP_GPWNAM) {
4634 spwent = getspnam(pwent->pw_name);
4636 # ifdef HAS_GETSPUID /* AFAIK there isn't any anywhere. --jhi */
4637 else if (which == OP_GPWUID) {
4639 spwent = getspnam(pwent->pw_name);
4642 # ifdef HAS_GETSPENT
4644 spwent = (struct spwd *)getspent();
4649 if (GIMME != G_ARRAY) {
4650 PUSHs(sv = sv_newmortal());
4652 if (which == OP_GPWNAM)
4653 sv_setiv(sv, (IV)pwent->pw_uid);
4655 sv_setpv(sv, pwent->pw_name);
4661 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4662 sv_setpv(sv, pwent->pw_name);
4664 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4666 # if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4668 sv_setpv(sv, spwent->sp_pwdp);
4670 sv_setpv(sv, pwent->pw_passwd);
4672 sv_setpv(sv, pwent->pw_passwd);
4676 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4677 sv_setiv(sv, (IV)pwent->pw_uid);
4679 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4680 sv_setiv(sv, (IV)pwent->pw_gid);
4682 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4683 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4685 sv_setiv(sv, (IV)pwent->pw_change);
4688 sv_setiv(sv, (IV)pwent->pw_quota);
4691 sv_setpv(sv, pwent->pw_age);
4696 /* pw_class and pw_comment are mutually exclusive. */
4697 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4699 sv_setpv(sv, pwent->pw_class);
4702 sv_setpv(sv, pwent->pw_comment);
4706 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4708 sv_setpv(sv, pwent->pw_gecos);
4710 #ifndef INCOMPLETE_TAINTS
4711 /* pw_gecos is tainted because user himself can diddle with it. */
4715 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4716 sv_setpv(sv, pwent->pw_dir);
4718 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4719 sv_setpv(sv, pwent->pw_shell);
4722 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4723 sv_setiv(sv, (IV)pwent->pw_expire);
4728 DIE(aTHX_ PL_no_func, "getpwent");
4735 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) && !defined(CYGWIN)
4737 # ifdef HAS_SETSPENT
4742 DIE(aTHX_ PL_no_func, "setpwent");
4749 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4751 # ifdef HAS_ENDSPENT
4756 DIE(aTHX_ PL_no_func, "endpwent");
4765 DIE(aTHX_ PL_no_func, "getgrnam");
4774 DIE(aTHX_ PL_no_func, "getgrgid");
4781 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4782 I32 which = PL_op->op_type;
4783 register char **elem;
4785 struct group *grent;
4788 if (which == OP_GGRNAM)
4789 grent = (struct group *)getgrnam(POPpx);
4790 else if (which == OP_GGRGID)
4791 grent = (struct group *)getgrgid(POPi);
4793 grent = (struct group *)getgrent();
4796 if (GIMME != G_ARRAY) {
4797 PUSHs(sv = sv_newmortal());
4799 if (which == OP_GGRNAM)
4800 sv_setiv(sv, (IV)grent->gr_gid);
4802 sv_setpv(sv, grent->gr_name);
4808 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4809 sv_setpv(sv, grent->gr_name);
4811 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4813 sv_setpv(sv, grent->gr_passwd);
4816 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4817 sv_setiv(sv, (IV)grent->gr_gid);
4819 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4820 for (elem = grent->gr_mem; elem && *elem; elem++) {
4821 sv_catpv(sv, *elem);
4823 sv_catpvn(sv, " ", 1);
4829 DIE(aTHX_ PL_no_func, "getgrent");
4836 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4840 DIE(aTHX_ PL_no_func, "setgrent");
4847 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4851 DIE(aTHX_ PL_no_func, "endgrent");
4861 if (!(tmps = PerlProc_getlogin()))
4863 PUSHp(tmps, strlen(tmps));
4866 DIE(aTHX_ PL_no_func, "getlogin");
4870 /* Miscellaneous. */
4875 djSP; dMARK; dORIGMARK; dTARGET;
4876 register I32 items = SP - MARK;
4877 unsigned long a[20];
4884 while (++MARK <= SP) {
4885 if (SvTAINTED(*MARK)) {
4891 TAINT_PROPER("syscall");
4894 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4895 * or where sizeof(long) != sizeof(char*). But such machines will
4896 * not likely have syscall implemented either, so who cares?
4898 while (++MARK <= SP) {
4899 if (SvNIOK(*MARK) || !i)
4900 a[i++] = SvIV(*MARK);
4901 else if (*MARK == &PL_sv_undef)
4904 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
4910 DIE(aTHX_ "Too many args to syscall");
4912 DIE(aTHX_ "Too few args to syscall");
4914 retval = syscall(a[0]);
4917 retval = syscall(a[0],a[1]);
4920 retval = syscall(a[0],a[1],a[2]);
4923 retval = syscall(a[0],a[1],a[2],a[3]);
4926 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4929 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4932 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4935 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4939 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4942 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4945 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4949 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4953 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4957 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4958 a[10],a[11],a[12],a[13]);
4960 #endif /* atarist */
4966 DIE(aTHX_ PL_no_func, "syscall");
4970 #ifdef FCNTL_EMULATE_FLOCK
4972 /* XXX Emulate flock() with fcntl().
4973 What's really needed is a good file locking module.
4977 fcntl_emulate_flock(int fd, int operation)
4981 switch (operation & ~LOCK_NB) {
4983 flock.l_type = F_RDLCK;
4986 flock.l_type = F_WRLCK;
4989 flock.l_type = F_UNLCK;
4995 flock.l_whence = SEEK_SET;
4996 flock.l_start = flock.l_len = 0L;
4998 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5001 #endif /* FCNTL_EMULATE_FLOCK */
5003 #ifdef LOCKF_EMULATE_FLOCK
5005 /* XXX Emulate flock() with lockf(). This is just to increase
5006 portability of scripts. The calls are not completely
5007 interchangeable. What's really needed is a good file
5011 /* The lockf() constants might have been defined in <unistd.h>.
5012 Unfortunately, <unistd.h> causes troubles on some mixed
5013 (BSD/POSIX) systems, such as SunOS 4.1.3.
5015 Further, the lockf() constants aren't POSIX, so they might not be
5016 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5017 just stick in the SVID values and be done with it. Sigh.
5021 # define F_ULOCK 0 /* Unlock a previously locked region */
5024 # define F_LOCK 1 /* Lock a region for exclusive use */
5027 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5030 # define F_TEST 3 /* Test a region for other processes locks */
5034 lockf_emulate_flock(int fd, int operation)
5040 /* flock locks entire file so for lockf we need to do the same */
5042 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5043 if (pos > 0) /* is seekable and needs to be repositioned */
5044 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5045 pos = -1; /* seek failed, so don't seek back afterwards */
5048 switch (operation) {
5050 /* LOCK_SH - get a shared lock */
5052 /* LOCK_EX - get an exclusive lock */
5054 i = lockf (fd, F_LOCK, 0);
5057 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5058 case LOCK_SH|LOCK_NB:
5059 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5060 case LOCK_EX|LOCK_NB:
5061 i = lockf (fd, F_TLOCK, 0);
5063 if ((errno == EAGAIN) || (errno == EACCES))
5064 errno = EWOULDBLOCK;
5067 /* LOCK_UN - unlock (non-blocking is a no-op) */
5069 case LOCK_UN|LOCK_NB:
5070 i = lockf (fd, F_ULOCK, 0);
5073 /* Default - can't decipher operation */
5080 if (pos > 0) /* need to restore position of the handle */
5081 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5086 #endif /* LOCKF_EMULATE_FLOCK */