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 = (GV*)cSVOP->op_sv;
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(CopFILESV(PL_curcop)));
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 (mg = SvTIED_mg((SV*)gv, 'q')) {
537 XPUSHs(SvTIED_obj((SV*)gv, mg));
543 call_method("OPEN", G_SCALAR);
549 tmps = SvPV(sv, len);
550 if (do_open9(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, name, have_name))
551 PUSHi( (I32)PL_forkprocess );
552 else if (PL_forkprocess == 0) /* we are a new child */
570 if (mg = SvTIED_mg((SV*)gv, 'q')) {
572 XPUSHs(SvTIED_obj((SV*)gv, mg));
575 call_method("CLOSE", G_SCALAR);
581 PUSHs(boolSV(do_close(gv, TRUE)));
601 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
602 DIE(aTHX_ PL_no_usym, "filehandle");
607 do_close(rgv, FALSE);
609 do_close(wgv, FALSE);
611 if (PerlProc_pipe(fd) < 0)
614 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
615 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
616 IoIFP(wstio) = IoOFP(wstio);
620 if (!IoIFP(rstio) || !IoOFP(wstio)) {
621 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
622 else PerlLIO_close(fd[0]);
623 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
624 else PerlLIO_close(fd[1]);
627 #if defined(HAS_FCNTL) && defined(F_SETFD)
628 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
629 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
636 DIE(aTHX_ PL_no_func, "pipe");
652 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
654 XPUSHs(SvTIED_obj((SV*)gv, mg));
657 call_method("FILENO", G_SCALAR);
663 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
665 PUSHi(PerlIO_fileno(fp));
676 anum = PerlLIO_umask(0);
677 (void)PerlLIO_umask(anum);
680 anum = PerlLIO_umask(POPi);
681 TAINT_PROPER("umask");
684 /* Only DIE if trying to restrict permissions on `user' (self).
685 * Otherwise it's harmless and more useful to just return undef
686 * since 'group' and 'other' concepts probably don't exist here. */
687 if (MAXARG >= 1 && (POPi & 0700))
688 DIE(aTHX_ "umask not implemented");
689 XPUSHs(&PL_sv_undef);
707 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
709 XPUSHs(SvTIED_obj((SV*)gv, mg));
712 call_method("BINMODE", G_SCALAR);
719 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
722 if (do_binmode(fp,IoTYPE(io),TRUE))
737 I32 markoff = MARK - PL_stack_base;
744 switch(SvTYPE(varsv)) {
746 methname = "TIEHASH";
749 methname = "TIEARRAY";
752 methname = "TIEHANDLE";
756 methname = "TIESCALAR";
761 if (sv_isobject(*MARK)) {
763 PUSHSTACKi(PERLSI_MAGIC);
769 call_method(methname, G_SCALAR);
772 /* Not clear why we don't call call_method here too.
773 * perhaps to get different error message ?
775 stash = gv_stashsv(*MARK, FALSE);
776 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
777 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
778 methname, SvPV(*MARK,n_a));
781 PUSHSTACKi(PERLSI_MAGIC);
787 call_sv((SV*)GvCV(gv), G_SCALAR);
793 if (sv_isobject(sv)) {
794 sv_unmagic(varsv, how);
795 sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0);
798 SP = PL_stack_base + markoff;
807 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
809 if (ckWARN(WARN_UNTIE)) {
811 if (mg = SvTIED_mg(sv, how)) {
812 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
813 Perl_warner(aTHX_ WARN_UNTIE,
814 "untie attempted while %"UVuf" inner references still exist",
815 (UV)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
827 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
830 if (mg = SvTIED_mg(sv, how)) {
831 SV *osv = SvTIED_obj(sv, mg);
832 if (osv == mg->mg_obj)
833 osv = sv_mortalcopy(osv);
851 sv = sv_mortalcopy(&PL_sv_no);
852 sv_setpv(sv, "AnyDBM_File");
853 stash = gv_stashsv(sv, FALSE);
854 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
856 require_pv("AnyDBM_File.pm");
858 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
859 DIE(aTHX_ "No dbm on this machine");
869 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
871 PUSHs(sv_2mortal(newSViv(O_RDWR)));
874 call_sv((SV*)GvCV(gv), G_SCALAR);
877 if (!sv_isobject(TOPs)) {
882 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
885 call_sv((SV*)GvCV(gv), G_SCALAR);
889 if (sv_isobject(TOPs)) {
890 sv_unmagic((SV *) hv, 'P');
891 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
913 struct timeval timebuf;
914 struct timeval *tbuf = &timebuf;
918 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
923 # if BYTEORDER & 0xf0000
924 # define ORDERBYTE (0x88888888 - BYTEORDER)
926 # define ORDERBYTE (0x4444 - BYTEORDER)
932 for (i = 1; i <= 3; i++) {
940 /* little endians can use vecs directly */
941 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
942 # if SELECT_MIN_BITS > 1
943 /* If SELECT_MIN_BITS is greater than one we most probably will want
944 * to align the sizes with SELECT_MIN_BITS/8 because for example
945 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
946 * UNIX, Solaris, NeXT, Rhapsody) the smallest quantum select() operates
947 * on (sets/tests/clears bits) is 32 bits. */
948 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
950 growsize = sizeof(fd_set);
959 masksize = NFDBITS / NBBY;
961 masksize = sizeof(long); /* documented int, everyone seems to use long */
963 growsize = maxlen + (masksize - (maxlen % masksize));
964 Zero(&fd_sets[0], 4, char*);
972 timebuf.tv_sec = (long)value;
973 value -= (NV)timebuf.tv_sec;
974 timebuf.tv_usec = (long)(value * 1000000.0);
977 tbuf = Null(struct timeval*);
979 for (i = 1; i <= 3; i++) {
986 SvPV_force(sv,n_a); /* force string conversion */
989 Sv_Grow(sv, growsize);
993 while (++j <= growsize) {
997 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
999 New(403, fd_sets[i], growsize, char);
1000 for (offset = 0; offset < growsize; offset += masksize) {
1001 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1002 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1005 fd_sets[i] = SvPVX(sv);
1009 nfound = PerlSock_select(
1011 (Select_fd_set_t) fd_sets[1],
1012 (Select_fd_set_t) fd_sets[2],
1013 (Select_fd_set_t) fd_sets[3],
1015 for (i = 1; i <= 3; i++) {
1018 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1020 for (offset = 0; offset < growsize; offset += masksize) {
1021 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1022 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1024 Safefree(fd_sets[i]);
1031 if (GIMME == G_ARRAY && tbuf) {
1032 value = (NV)(timebuf.tv_sec) +
1033 (NV)(timebuf.tv_usec) / 1000000.0;
1034 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1035 sv_setnv(sv, value);
1039 DIE(aTHX_ "select not implemented");
1044 Perl_setdefout(pTHX_ GV *gv)
1048 (void)SvREFCNT_inc(gv);
1050 SvREFCNT_dec(PL_defoutgv);
1057 GV *newdefout, *egv;
1060 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1062 egv = GvEGV(PL_defoutgv);
1067 XPUSHs(&PL_sv_undef);
1069 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1070 if (gvp && *gvp == egv) {
1071 gv_efullname3(TARG, PL_defoutgv, Nullch);
1075 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1080 if (!GvIO(newdefout))
1081 gv_IOadd(newdefout);
1082 setdefout(newdefout);
1101 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1102 I32 gimme = GIMME_V;
1104 XPUSHs(SvTIED_obj((SV*)gv, mg));
1107 call_method("GETC", gimme);
1110 if (gimme == G_SCALAR)
1111 SvSetMagicSV_nosteal(TARG, TOPs);
1114 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1117 sv_setpv(TARG, " ");
1118 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1125 return pp_sysread();
1129 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1132 register PERL_CONTEXT *cx;
1133 I32 gimme = GIMME_V;
1134 AV* padlist = CvPADLIST(cv);
1135 SV** svp = AvARRAY(padlist);
1141 PUSHBLOCK(cx, CXt_SUB, PL_stack_sp);
1143 SAVESPTR(PL_curpad);
1144 PL_curpad = AvARRAY((AV*)svp[1]);
1146 setdefout(gv); /* locally select filehandle so $% et al work */
1178 SV *tmpsv = sv_newmortal();
1179 gv_efullname3(tmpsv, fgv, Nullch);
1180 DIE(aTHX_ "Undefined format \"%s\" called",SvPVX(tmpsv));
1182 DIE(aTHX_ "Not a format reference");
1185 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1187 IoFLAGS(io) &= ~IOf_DIDTOP;
1188 return doform(cv,gv,PL_op->op_next);
1194 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1195 register IO *io = GvIOp(gv);
1196 PerlIO *ofp = IoOFP(io);
1200 register PERL_CONTEXT *cx;
1202 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1203 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1204 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1205 PL_formtarget != PL_toptarget)
1209 if (!IoTOP_GV(io)) {
1213 if (!IoTOP_NAME(io)) {
1214 if (!IoFMT_NAME(io))
1215 IoFMT_NAME(io) = savepv(GvNAME(gv));
1216 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1217 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1218 if ((topgv && GvFORM(topgv)) ||
1219 !gv_fetchpv("top",FALSE,SVt_PVFM))
1220 IoTOP_NAME(io) = savepv(SvPVX(topname));
1222 IoTOP_NAME(io) = savepv("top");
1224 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1225 if (!topgv || !GvFORM(topgv)) {
1226 IoLINES_LEFT(io) = 100000000;
1229 IoTOP_GV(io) = topgv;
1231 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1232 I32 lines = IoLINES_LEFT(io);
1233 char *s = SvPVX(PL_formtarget);
1234 if (lines <= 0) /* Yow, header didn't even fit!!! */
1236 while (lines-- > 0) {
1237 s = strchr(s, '\n');
1243 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1244 sv_chop(PL_formtarget, s);
1245 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1248 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1249 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1250 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1252 PL_formtarget = PL_toptarget;
1253 IoFLAGS(io) |= IOf_DIDTOP;
1256 DIE(aTHX_ "bad top format reference");
1259 SV *tmpsv = sv_newmortal();
1260 gv_efullname3(tmpsv, fgv, Nullch);
1261 DIE(aTHX_ "Undefined top format \"%s\" called",SvPVX(tmpsv));
1264 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1265 return doform(cv,gv,PL_op);
1269 POPBLOCK(cx,PL_curpm);
1275 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1276 SV* sv = sv_newmortal();
1277 gv_efullname3(sv, gv, Nullch);
1279 Perl_warner(aTHX_ WARN_IO,
1280 "Filehandle %s opened only for input",
1282 else if (ckWARN(WARN_CLOSED))
1283 Perl_warner(aTHX_ WARN_CLOSED,
1284 "Write on closed filehandle %s", SvPV_nolen(sv));
1289 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1290 if (ckWARN(WARN_IO))
1291 Perl_warner(aTHX_ WARN_IO, "page overflow");
1293 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1297 FmLINES(PL_formtarget) = 0;
1298 SvCUR_set(PL_formtarget, 0);
1299 *SvEND(PL_formtarget) = '\0';
1300 if (IoFLAGS(io) & IOf_FLUSH)
1301 (void)PerlIO_flush(fp);
1305 PL_formtarget = PL_bodytarget;
1307 return pop_return();
1312 djSP; dMARK; dORIGMARK;
1320 if (PL_op->op_flags & OPf_STACKED)
1325 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1326 if (MARK == ORIGMARK) {
1329 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1333 *MARK = SvTIED_obj((SV*)gv, mg);
1336 call_method("PRINTF", G_SCALAR);
1339 MARK = ORIGMARK + 1;
1346 if (!(io = GvIO(gv))) {
1347 if (ckWARN(WARN_UNOPENED)) {
1348 gv_efullname3(sv, gv, Nullch);
1349 Perl_warner(aTHX_ WARN_UNOPENED,
1350 "Filehandle %s never opened", SvPV(sv,n_a));
1352 SETERRNO(EBADF,RMS$_IFI);
1355 else if (!(fp = IoOFP(io))) {
1356 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1357 gv_efullname3(sv, gv, Nullch);
1359 Perl_warner(aTHX_ WARN_IO,
1360 "Filehandle %s opened only for input",
1362 else if (ckWARN(WARN_CLOSED))
1363 Perl_warner(aTHX_ WARN_CLOSED,
1364 "printf on closed filehandle %s", SvPV(sv,n_a));
1366 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1370 do_sprintf(sv, SP - MARK, MARK + 1);
1371 if (!do_print(sv, fp))
1374 if (IoFLAGS(io) & IOf_FLUSH)
1375 if (PerlIO_flush(fp) == EOF)
1386 PUSHs(&PL_sv_undef);
1407 /* Need TIEHANDLE method ? */
1409 tmps = SvPV(sv, len);
1410 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1411 IoLINES(GvIOp(gv)) = 0;
1415 PUSHs(&PL_sv_undef);
1422 djSP; dMARK; dORIGMARK; dTARGET;
1428 Sock_size_t bufsize;
1434 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1435 (mg = SvTIED_mg((SV*)gv, 'q')))
1440 *MARK = SvTIED_obj((SV*)gv, mg);
1442 call_method("READ", G_SCALAR);
1455 sv_setpvn(bufsv, "", 0);
1456 buffer = SvPV_force(bufsv, blen);
1457 length = SvIVx(*++MARK);
1459 DIE(aTHX_ "Negative length");
1462 offset = SvIVx(*++MARK);
1466 if (!io || !IoIFP(io))
1469 if (PL_op->op_type == OP_RECV) {
1470 char namebuf[MAXPATHLEN];
1471 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1472 bufsize = sizeof (struct sockaddr_in);
1474 bufsize = sizeof namebuf;
1476 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1480 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1484 buffer = SvGROW(bufsv, length+1);
1485 /* 'offset' means 'flags' here */
1486 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1487 (struct sockaddr *)namebuf, &bufsize);
1490 SvCUR_set(bufsv, length);
1491 *SvEND(bufsv) = '\0';
1492 (void)SvPOK_only(bufsv);
1494 /* This should not be marked tainted if the fp is marked clean */
1495 if (!(IoFLAGS(io) & IOf_UNTAINT))
1496 SvTAINTED_on(bufsv);
1498 sv_setpvn(TARG, namebuf, bufsize);
1503 if (PL_op->op_type == OP_RECV)
1504 DIE(aTHX_ PL_no_sock_func, "recv");
1508 DIE(aTHX_ "Offset outside string");
1511 bufsize = SvCUR(bufsv);
1512 buffer = SvGROW(bufsv, length+offset+1);
1513 if (offset > bufsize) { /* Zero any newly allocated space */
1514 Zero(buffer+bufsize, offset-bufsize, char);
1516 if (PL_op->op_type == OP_SYSREAD) {
1517 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1518 if (IoTYPE(io) == 's') {
1519 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1520 buffer+offset, length, 0);
1525 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1526 buffer+offset, length);
1530 #ifdef HAS_SOCKET__bad_code_maybe
1531 if (IoTYPE(io) == 's') {
1532 char namebuf[MAXPATHLEN];
1533 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1534 bufsize = sizeof (struct sockaddr_in);
1536 bufsize = sizeof namebuf;
1538 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1539 (struct sockaddr *)namebuf, &bufsize);
1544 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1545 /* fread() returns 0 on both error and EOF */
1546 if (length == 0 && PerlIO_error(IoIFP(io)))
1550 if ((IoTYPE(io) == '>' || IoIFP(io) == PerlIO_stdout()
1551 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1553 SV* sv = sv_newmortal();
1554 gv_efullname3(sv, gv, Nullch);
1555 Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for output",
1560 SvCUR_set(bufsv, length+offset);
1561 *SvEND(bufsv) = '\0';
1562 (void)SvPOK_only(bufsv);
1564 /* This should not be marked tainted if the fp is marked clean */
1565 if (!(IoFLAGS(io) & IOf_UNTAINT))
1566 SvTAINTED_on(bufsv);
1579 int items = (SP - PL_stack_base) - TOPMARK;
1583 sv = sv_2mortal(newSViv(sv_len(*SP)));
1592 djSP; dMARK; dORIGMARK; dTARGET;
1603 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1607 *MARK = SvTIED_obj((SV*)gv, mg);
1609 call_method("WRITE", G_SCALAR);
1620 buffer = SvPV(bufsv, blen);
1621 length = SvIVx(*++MARK);
1623 DIE(aTHX_ "Negative length");
1626 if (!io || !IoIFP(io)) {
1628 if (ckWARN(WARN_CLOSED)) {
1629 if (PL_op->op_type == OP_SYSWRITE)
1630 Perl_warner(aTHX_ WARN_CLOSED, "Syswrite on closed filehandle");
1632 Perl_warner(aTHX_ WARN_CLOSED, "Send on closed socket");
1635 else if (PL_op->op_type == OP_SYSWRITE) {
1637 offset = SvIVx(*++MARK);
1640 DIE(aTHX_ "Offset outside string");
1642 } else if (offset >= blen && blen > 0)
1643 DIE(aTHX_ "Offset outside string");
1646 if (length > blen - offset)
1647 length = blen - offset;
1648 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1649 if (IoTYPE(io) == 's') {
1650 length = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1651 buffer+offset, length, 0);
1656 /* See the note at doio.c:do_print about filesize limits. --jhi */
1657 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1658 buffer+offset, length);
1662 else if (SP > MARK) {
1665 sockbuf = SvPVx(*++MARK, mlen);
1666 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1667 (struct sockaddr *)sockbuf, mlen);
1670 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1674 DIE(aTHX_ PL_no_sock_func, "send");
1689 return pp_sysread();
1701 gv = PL_last_in_gv = (GV*)POPs;
1703 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1705 XPUSHs(SvTIED_obj((SV*)gv, mg));
1708 call_method("EOF", G_SCALAR);
1714 PUSHs(boolSV(!gv || do_eof(gv)));
1727 gv = PL_last_in_gv = (GV*)POPs;
1729 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1731 XPUSHs(SvTIED_obj((SV*)gv, mg));
1734 call_method("TELL", G_SCALAR);
1740 PUSHi( do_tell(gv) );
1746 return pp_sysseek();
1754 Off_t offset = (Off_t)SvIVx(POPs);
1757 gv = PL_last_in_gv = (GV*)POPs;
1759 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1761 XPUSHs(SvTIED_obj((SV*)gv, mg));
1762 XPUSHs(sv_2mortal(newSViv((IV) offset)));
1763 XPUSHs(sv_2mortal(newSViv((IV) whence)));
1766 call_method("SEEK", G_SCALAR);
1772 if (PL_op->op_type == OP_SEEK)
1773 PUSHs(boolSV(do_seek(gv, offset, whence)));
1775 Off_t n = do_sysseek(gv, offset, whence);
1776 PUSHs((n < 0) ? &PL_sv_undef
1777 : sv_2mortal(n ? newSViv((IV)n)
1778 : newSVpvn(zero_but_true, ZBTLEN)));
1786 Off_t len = (Off_t)POPn;
1792 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1793 if (PL_op->op_flags & OPf_SPECIAL) {
1794 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1796 TAINT_PROPER("truncate");
1797 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1799 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1801 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1810 if (SvTYPE(sv) == SVt_PVGV) {
1811 tmpgv = (GV*)sv; /* *main::FRED for example */
1814 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1815 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1819 name = SvPV(sv, n_a);
1820 TAINT_PROPER("truncate");
1822 if (truncate(name, len) < 0)
1827 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1830 if (my_chsize(tmpfd, len) < 0)
1832 PerlLIO_close(tmpfd);
1841 SETERRNO(EBADF,RMS$_IFI);
1844 DIE(aTHX_ "truncate not implemented");
1857 unsigned int func = U_I(POPn);
1858 int optype = PL_op->op_type;
1864 if (!io || !argsv || !IoIFP(io)) {
1865 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1869 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1872 s = SvPV_force(argsv, len);
1873 need = IOCPARM_LEN(func);
1875 s = Sv_Grow(argsv, need + 1);
1876 SvCUR_set(argsv, need);
1879 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1882 retval = SvIV(argsv);
1883 s = INT2PTR(char*,retval); /* ouch */
1886 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1888 if (optype == OP_IOCTL)
1890 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1892 DIE(aTHX_ "ioctl is not implemented");
1896 #if defined(OS2) && defined(__EMX__)
1897 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1899 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1902 DIE(aTHX_ "fcntl is not implemented");
1906 if (s[SvCUR(argsv)] != 17)
1907 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
1908 PL_op_name[optype]);
1909 s[SvCUR(argsv)] = 0; /* put our null back */
1910 SvSETMAGIC(argsv); /* Assume it has changed */
1919 PUSHp(zero_but_true, ZBTLEN);
1939 fp = IoIFP(GvIOp(gv));
1943 (void)PerlIO_flush(fp);
1944 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1951 DIE(aTHX_ PL_no_func, "flock()");
1963 int protocol = POPi;
1971 SETERRNO(EBADF,LIB$_INVARG);
1977 do_close(gv, FALSE);
1979 TAINT_PROPER("socket");
1980 fd = PerlSock_socket(domain, type, protocol);
1983 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1984 IoOFP(io) = PerlIO_fdopen(fd, "w");
1986 if (!IoIFP(io) || !IoOFP(io)) {
1987 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1988 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1989 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
1995 DIE(aTHX_ PL_no_sock_func, "socket");
2002 #ifdef HAS_SOCKETPAIR
2007 int protocol = POPi;
2020 do_close(gv1, FALSE);
2022 do_close(gv2, FALSE);
2024 TAINT_PROPER("socketpair");
2025 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2027 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2028 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2030 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2031 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2033 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2034 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2035 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2036 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2037 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2038 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2039 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2045 DIE(aTHX_ PL_no_sock_func, "socketpair");
2053 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2054 extern GETPRIVMODE();
2055 extern GETUSERMODE();
2060 register IO *io = GvIOn(gv);
2064 int mpeprivmode = 0;
2067 if (!io || !IoIFP(io))
2070 addr = SvPV(addrsv, len);
2071 TAINT_PROPER("bind");
2072 #ifdef MPE /* Deal with MPE bind() peculiarities */
2073 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2074 /* The address *MUST* stupidly be zero. */
2075 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2076 /* PRIV mode is required to bind() to ports < 1024. */
2077 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2078 ((struct sockaddr_in *)addr)->sin_port > 0) {
2079 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2084 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2085 (struct sockaddr *)addr, len) >= 0)
2088 #ifdef MPE /* Switch back to USER mode */
2099 if (ckWARN(WARN_CLOSED))
2100 Perl_warner(aTHX_ WARN_CLOSED, "bind() on closed fd");
2101 SETERRNO(EBADF,SS$_IVCHAN);
2104 DIE(aTHX_ PL_no_sock_func, "bind");
2115 register IO *io = GvIOn(gv);
2118 if (!io || !IoIFP(io))
2121 addr = SvPV(addrsv, len);
2122 TAINT_PROPER("connect");
2123 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2129 if (ckWARN(WARN_CLOSED))
2130 Perl_warner(aTHX_ WARN_CLOSED, "connect() on closed fd");
2131 SETERRNO(EBADF,SS$_IVCHAN);
2134 DIE(aTHX_ PL_no_sock_func, "connect");
2144 register IO *io = GvIOn(gv);
2146 if (!io || !IoIFP(io))
2149 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2155 if (ckWARN(WARN_CLOSED))
2156 Perl_warner(aTHX_ WARN_CLOSED, "listen() on closed fd");
2157 SETERRNO(EBADF,SS$_IVCHAN);
2160 DIE(aTHX_ PL_no_sock_func, "listen");
2172 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2173 Sock_size_t len = sizeof saddr;
2185 if (!gstio || !IoIFP(gstio))
2190 do_close(ngv, FALSE);
2192 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2195 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2196 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2197 IoTYPE(nstio) = 's';
2198 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2199 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2200 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2201 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2205 PUSHp((char *)&saddr, len);
2209 if (ckWARN(WARN_CLOSED))
2210 Perl_warner(aTHX_ WARN_CLOSED, "accept() on closed fd");
2211 SETERRNO(EBADF,SS$_IVCHAN);
2217 DIE(aTHX_ PL_no_sock_func, "accept");
2227 register IO *io = GvIOn(gv);
2229 if (!io || !IoIFP(io))
2232 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2236 if (ckWARN(WARN_CLOSED))
2237 Perl_warner(aTHX_ WARN_CLOSED, "shutdown() on closed fd");
2238 SETERRNO(EBADF,SS$_IVCHAN);
2241 DIE(aTHX_ PL_no_sock_func, "shutdown");
2248 return pp_ssockopt();
2250 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2258 int optype = PL_op->op_type;
2261 unsigned int optname;
2267 if (optype == OP_GSOCKOPT)
2268 sv = sv_2mortal(NEWSV(22, 257));
2271 optname = (unsigned int) POPi;
2272 lvl = (unsigned int) POPi;
2276 if (!io || !IoIFP(io))
2279 fd = PerlIO_fileno(IoIFP(io));
2283 (void)SvPOK_only(sv);
2287 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2302 aint = (int)SvIV(sv);
2306 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2315 if (ckWARN(WARN_CLOSED))
2316 Perl_warner(aTHX_ WARN_CLOSED, "[gs]etsockopt() on closed fd");
2317 SETERRNO(EBADF,SS$_IVCHAN);
2322 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2329 return pp_getpeername();
2331 DIE(aTHX_ PL_no_sock_func, "getsockname");
2339 int optype = PL_op->op_type;
2343 register IO *io = GvIOn(gv);
2346 if (!io || !IoIFP(io))
2349 sv = sv_2mortal(NEWSV(22, 257));
2350 (void)SvPOK_only(sv);
2354 fd = PerlIO_fileno(IoIFP(io));
2356 case OP_GETSOCKNAME:
2357 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2360 case OP_GETPEERNAME:
2361 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2363 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2365 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2366 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2367 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2368 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2369 sizeof(u_short) + sizeof(struct in_addr))) {
2376 #ifdef BOGUS_GETNAME_RETURN
2377 /* Interactive Unix, getpeername() and getsockname()
2378 does not return valid namelen */
2379 if (len == BOGUS_GETNAME_RETURN)
2380 len = sizeof(struct sockaddr);
2388 if (ckWARN(WARN_CLOSED))
2389 Perl_warner(aTHX_ WARN_CLOSED, "get{sock, peer}name() on closed fd");
2390 SETERRNO(EBADF,SS$_IVCHAN);
2395 DIE(aTHX_ PL_no_sock_func, "getpeername");
2414 if (PL_op->op_flags & OPf_REF) {
2415 tmpgv = (GV*)cSVOP->op_sv;
2417 if (tmpgv != PL_defgv) {
2418 PL_laststype = OP_STAT;
2420 sv_setpv(PL_statname, "");
2421 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2422 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2424 if (PL_laststatval < 0)
2429 if (SvTYPE(sv) == SVt_PVGV) {
2433 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2434 tmpgv = (GV*)SvRV(sv);
2437 sv_setpv(PL_statname, SvPV(sv,n_a));
2440 PL_laststype = PL_op->op_type;
2441 if (PL_op->op_type == OP_LSTAT)
2442 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2445 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2446 if (PL_laststatval < 0) {
2447 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2448 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2454 if (gimme != G_ARRAY) {
2455 if (gimme != G_VOID)
2456 XPUSHs(boolSV(max));
2462 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2463 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2464 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mode)));
2465 PUSHs(sv_2mortal(newSViv(PL_statcache.st_nlink)));
2466 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2467 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2468 #ifdef USE_STAT_RDEV
2469 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2471 PUSHs(sv_2mortal(newSVpvn("", 0)));
2473 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2475 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2476 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2477 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2479 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2480 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2481 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2483 #ifdef USE_STAT_BLOCKS
2484 PUSHs(sv_2mortal(newSViv(PL_statcache.st_blksize)));
2485 PUSHs(sv_2mortal(newSViv(PL_statcache.st_blocks)));
2487 PUSHs(sv_2mortal(newSVpvn("", 0)));
2488 PUSHs(sv_2mortal(newSVpvn("", 0)));
2498 #if defined(HAS_ACCESS) && defined(R_OK)
2500 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2501 result = access(TOPpx, R_OK);
2516 if (cando(S_IRUSR, 0, &PL_statcache))
2525 #if defined(HAS_ACCESS) && defined(W_OK)
2527 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2528 result = access(TOPpx, W_OK);
2543 if (cando(S_IWUSR, 0, &PL_statcache))
2552 #if defined(HAS_ACCESS) && defined(X_OK)
2554 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2555 result = access(TOPpx, X_OK);
2570 if (cando(S_IXUSR, 0, &PL_statcache))
2579 #ifdef PERL_EFF_ACCESS_R_OK
2581 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2582 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2597 if (cando(S_IRUSR, 1, &PL_statcache))
2606 #ifdef PERL_EFF_ACCESS_W_OK
2608 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2609 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2624 if (cando(S_IWUSR, 1, &PL_statcache))
2633 #ifdef PERL_EFF_ACCESS_X_OK
2635 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2636 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2651 if (cando(S_IXUSR, 1, &PL_statcache))
2658 I32 result = my_stat();
2667 return pp_ftrowned();
2672 I32 result = my_stat();
2676 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? PL_euid : PL_uid) )
2683 I32 result = my_stat();
2687 if (!PL_statcache.st_size)
2694 I32 result = my_stat();
2698 PUSHi(PL_statcache.st_size);
2704 I32 result = my_stat();
2708 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2714 I32 result = my_stat();
2718 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2724 I32 result = my_stat();
2728 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
2734 I32 result = my_stat();
2738 if (S_ISSOCK(PL_statcache.st_mode))
2745 I32 result = my_stat();
2749 if (S_ISCHR(PL_statcache.st_mode))
2756 I32 result = my_stat();
2760 if (S_ISBLK(PL_statcache.st_mode))
2767 I32 result = my_stat();
2771 if (S_ISREG(PL_statcache.st_mode))
2778 I32 result = my_stat();
2782 if (S_ISDIR(PL_statcache.st_mode))
2789 I32 result = my_stat();
2793 if (S_ISFIFO(PL_statcache.st_mode))
2800 I32 result = my_lstat();
2804 if (S_ISLNK(PL_statcache.st_mode))
2813 I32 result = my_stat();
2817 if (PL_statcache.st_mode & S_ISUID)
2827 I32 result = my_stat();
2831 if (PL_statcache.st_mode & S_ISGID)
2841 I32 result = my_stat();
2845 if (PL_statcache.st_mode & S_ISVTX)
2856 char *tmps = Nullch;
2859 if (PL_op->op_flags & OPf_REF)
2860 gv = (GV*)cSVOP->op_sv;
2861 else if (isGV(TOPs))
2863 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2864 gv = (GV*)SvRV(POPs);
2866 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2868 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2869 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2870 else if (tmps && isDIGIT(*tmps))
2874 if (PerlLIO_isatty(fd))
2879 #if defined(atarist) /* this will work with atariST. Configure will
2880 make guesses for other systems. */
2881 # define FILE_base(f) ((f)->_base)
2882 # define FILE_ptr(f) ((f)->_ptr)
2883 # define FILE_cnt(f) ((f)->_cnt)
2884 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2894 register STDCHAR *s;
2900 if (PL_op->op_flags & OPf_REF)
2901 gv = (GV*)cSVOP->op_sv;
2902 else if (isGV(TOPs))
2904 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2905 gv = (GV*)SvRV(POPs);
2911 if (gv == PL_defgv) {
2913 io = GvIO(PL_statgv);
2916 goto really_filename;
2921 PL_laststatval = -1;
2922 sv_setpv(PL_statname, "");
2923 io = GvIO(PL_statgv);
2925 if (io && IoIFP(io)) {
2926 if (! PerlIO_has_base(IoIFP(io)))
2927 DIE(aTHX_ "-T and -B not implemented on filehandles");
2928 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
2929 if (PL_laststatval < 0)
2931 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
2932 if (PL_op->op_type == OP_FTTEXT)
2936 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2937 i = PerlIO_getc(IoIFP(io));
2939 (void)PerlIO_ungetc(IoIFP(io),i);
2941 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2943 len = PerlIO_get_bufsiz(IoIFP(io));
2944 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2945 /* sfio can have large buffers - limit to 512 */
2950 if (ckWARN(WARN_UNOPENED))
2951 Perl_warner(aTHX_ WARN_UNOPENED, "Test on unopened file <%s>",
2952 GvENAME((GV*)cSVOP->op_sv));
2953 SETERRNO(EBADF,RMS$_IFI);
2961 PL_laststatval = -1;
2962 sv_setpv(PL_statname, SvPV(sv, n_a));
2964 i = PerlLIO_open3(SvPV(sv, n_a), O_RDONLY, 0);
2966 i = PerlLIO_open(SvPV(sv, n_a), 0);
2969 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
2970 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
2973 PL_laststatval = PerlLIO_fstat(i, &PL_statcache);
2974 if (PL_laststatval < 0)
2976 len = PerlLIO_read(i, tbuf, 512);
2977 (void)PerlLIO_close(i);
2979 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
2980 RETPUSHNO; /* special case NFS directories */
2981 RETPUSHYES; /* null file is anything */
2986 /* now scan s to look for textiness */
2987 /* XXX ASCII dependent code */
2989 for (i = 0; i < len; i++, s++) {
2990 if (!*s) { /* null never allowed in text */
2995 else if (!(isPRINT(*s) || isSPACE(*s)))
3001 *s != '\n' && *s != '\r' && *s != '\b' &&
3002 *s != '\t' && *s != '\f' && *s != 27)
3007 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3031 if (!tmps || !*tmps) {
3032 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3034 tmps = SvPV(*svp, n_a);
3036 if (!tmps || !*tmps) {
3037 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3039 tmps = SvPV(*svp, n_a);
3042 if (!tmps || !*tmps) {
3043 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3045 tmps = SvPV(*svp, n_a);
3048 TAINT_PROPER("chdir");
3049 PUSHi( PerlDir_chdir(tmps) >= 0 );
3051 /* Clear the DEFAULT element of ENV so we'll get the new value
3053 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3060 djSP; dMARK; dTARGET;
3063 value = (I32)apply(PL_op->op_type, MARK, SP);
3068 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3079 TAINT_PROPER("chroot");
3080 PUSHi( chroot(tmps) >= 0 );
3083 DIE(aTHX_ PL_no_func, "chroot");
3089 djSP; dMARK; dTARGET;
3091 value = (I32)apply(PL_op->op_type, MARK, SP);
3099 djSP; dMARK; dTARGET;
3101 value = (I32)apply(PL_op->op_type, MARK, SP);
3109 djSP; dMARK; dTARGET;
3111 value = (I32)apply(PL_op->op_type, MARK, SP);
3123 char *tmps2 = POPpx;
3124 char *tmps = SvPV(TOPs, n_a);
3125 TAINT_PROPER("rename");
3127 anum = PerlLIO_rename(tmps, tmps2);
3129 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3130 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3133 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3134 (void)UNLINK(tmps2);
3135 if (!(anum = link(tmps, tmps2)))
3136 anum = UNLINK(tmps);
3149 char *tmps2 = POPpx;
3150 char *tmps = SvPV(TOPs, n_a);
3151 TAINT_PROPER("link");
3152 SETi( link(tmps, tmps2) >= 0 );
3154 DIE(aTHX_ PL_no_func, "Unsupported function link");
3164 char *tmps2 = POPpx;
3165 char *tmps = SvPV(TOPs, n_a);
3166 TAINT_PROPER("symlink");
3167 SETi( symlink(tmps, tmps2) >= 0 );
3170 DIE(aTHX_ PL_no_func, "symlink");
3179 char buf[MAXPATHLEN];
3183 #ifndef INCOMPLETE_TAINTS
3187 len = readlink(tmps, buf, sizeof buf);
3195 RETSETUNDEF; /* just pretend it's a normal file */
3199 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3201 S_dooneliner(pTHX_ char *cmd, char *filename)
3203 char *save_filename = filename;
3209 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3210 strcpy(cmdline, cmd);
3211 strcat(cmdline, " ");
3212 for (s = cmdline + strlen(cmdline); *filename; ) {
3217 myfp = PerlProc_popen(cmdline, "r");
3221 SV *tmpsv = sv_newmortal();
3222 /* Need to save/restore 'PL_rs' ?? */
3223 s = sv_gets(tmpsv, myfp, 0);
3224 (void)PerlProc_pclose(myfp);
3228 #ifdef HAS_SYS_ERRLIST
3233 /* you don't see this */
3235 #ifdef HAS_SYS_ERRLIST
3243 if (instr(s, errmsg)) {
3250 #define EACCES EPERM
3252 if (instr(s, "cannot make"))
3253 SETERRNO(EEXIST,RMS$_FEX);
3254 else if (instr(s, "existing file"))
3255 SETERRNO(EEXIST,RMS$_FEX);
3256 else if (instr(s, "ile exists"))
3257 SETERRNO(EEXIST,RMS$_FEX);
3258 else if (instr(s, "non-exist"))
3259 SETERRNO(ENOENT,RMS$_FNF);
3260 else if (instr(s, "does not exist"))
3261 SETERRNO(ENOENT,RMS$_FNF);
3262 else if (instr(s, "not empty"))
3263 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3264 else if (instr(s, "cannot access"))
3265 SETERRNO(EACCES,RMS$_PRV);
3267 SETERRNO(EPERM,RMS$_PRV);
3270 else { /* some mkdirs return no failure indication */
3271 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3272 if (PL_op->op_type == OP_RMDIR)
3277 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3294 char *tmps = SvPV(TOPs, n_a);
3296 TAINT_PROPER("mkdir");
3298 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3300 SETi( dooneliner("mkdir", tmps) );
3301 oldumask = PerlLIO_umask(0);
3302 PerlLIO_umask(oldumask);
3303 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3315 TAINT_PROPER("rmdir");
3317 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3319 XPUSHi( dooneliner("rmdir", tmps) );
3324 /* Directory calls. */
3329 #if defined(Direntry_t) && defined(HAS_READDIR)
3331 char *dirname = POPpx;
3333 register IO *io = GvIOn(gv);
3339 PerlDir_close(IoDIRP(io));
3340 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3346 SETERRNO(EBADF,RMS$_DIR);
3349 DIE(aTHX_ PL_no_dir_func, "opendir");
3356 #if defined(Direntry_t) && defined(HAS_READDIR)
3358 Direntry_t *readdir (DIR *);
3360 register Direntry_t *dp;
3362 register IO *io = GvIOn(gv);
3365 if (!io || !IoDIRP(io))
3368 if (GIMME == G_ARRAY) {
3370 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3372 sv = newSVpvn(dp->d_name, dp->d_namlen);
3374 sv = newSVpv(dp->d_name, 0);
3376 #ifndef INCOMPLETE_TAINTS
3379 XPUSHs(sv_2mortal(sv));
3383 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3386 sv = newSVpvn(dp->d_name, dp->d_namlen);
3388 sv = newSVpv(dp->d_name, 0);
3390 #ifndef INCOMPLETE_TAINTS
3393 XPUSHs(sv_2mortal(sv));
3399 SETERRNO(EBADF,RMS$_ISI);
3400 if (GIMME == G_ARRAY)
3405 DIE(aTHX_ PL_no_dir_func, "readdir");
3412 #if defined(HAS_TELLDIR) || defined(telldir)
3413 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3414 /* XXX netbsd still seemed to.
3415 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3416 --JHI 1999-Feb-02 */
3417 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3418 long telldir (DIR *);
3421 register IO *io = GvIOn(gv);
3423 if (!io || !IoDIRP(io))
3426 PUSHi( PerlDir_tell(IoDIRP(io)) );
3430 SETERRNO(EBADF,RMS$_ISI);
3433 DIE(aTHX_ PL_no_dir_func, "telldir");
3440 #if defined(HAS_SEEKDIR) || defined(seekdir)
3443 register IO *io = GvIOn(gv);
3445 if (!io || !IoDIRP(io))
3448 (void)PerlDir_seek(IoDIRP(io), along);
3453 SETERRNO(EBADF,RMS$_ISI);
3456 DIE(aTHX_ PL_no_dir_func, "seekdir");
3463 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3465 register IO *io = GvIOn(gv);
3467 if (!io || !IoDIRP(io))
3470 (void)PerlDir_rewind(IoDIRP(io));
3474 SETERRNO(EBADF,RMS$_ISI);
3477 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3484 #if defined(Direntry_t) && defined(HAS_READDIR)
3486 register IO *io = GvIOn(gv);
3488 if (!io || !IoDIRP(io))
3491 #ifdef VOID_CLOSEDIR
3492 PerlDir_close(IoDIRP(io));
3494 if (PerlDir_close(IoDIRP(io)) < 0) {
3495 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3504 SETERRNO(EBADF,RMS$_IFI);
3507 DIE(aTHX_ PL_no_dir_func, "closedir");
3511 /* Process control. */
3521 PERL_FLUSHALL_FOR_CHILD;
3527 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3528 sv_setiv(GvSV(tmpgv), (IV)getpid());
3529 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3534 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3540 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3545 childpid = wait4pid(-1, &argflags, 0);
3546 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3550 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3556 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3564 childpid = wait4pid(childpid, &argflags, optype);
3565 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3569 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3575 djSP; dMARK; dORIGMARK; dTARGET;
3580 Sigsave_t ihand,qhand; /* place to save signals during system() */
3585 if (SP - MARK == 1) {
3587 char *junk = SvPV(TOPs, n_a);
3589 TAINT_PROPER("system");
3592 PERL_FLUSHALL_FOR_CHILD;
3593 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3594 if (PerlProc_pipe(pp) >= 0)
3596 while ((childpid = vfork()) == -1) {
3597 if (errno != EAGAIN) {
3602 PerlLIO_close(pp[0]);
3603 PerlLIO_close(pp[1]);
3611 PerlLIO_close(pp[1]);
3612 rsignal_save(SIGINT, SIG_IGN, &ihand);
3613 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3615 result = wait4pid(childpid, &status, 0);
3616 } while (result == -1 && errno == EINTR);
3617 (void)rsignal_restore(SIGINT, &ihand);
3618 (void)rsignal_restore(SIGQUIT, &qhand);
3619 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3620 do_execfree(); /* free any memory child malloced on vfork */
3626 while (n < sizeof(int)) {
3627 n1 = PerlLIO_read(pp[0],
3628 (void*)(((char*)&errkid)+n),
3634 PerlLIO_close(pp[0]);
3635 if (n) { /* Error */
3636 if (n != sizeof(int))
3637 DIE(aTHX_ "panic: kid popen errno read");
3638 errno = errkid; /* Propagate errno from kid */
3639 STATUS_CURRENT = -1;
3642 PUSHi(STATUS_CURRENT);
3646 PerlLIO_close(pp[0]);
3647 #if defined(HAS_FCNTL) && defined(F_SETFD)
3648 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3651 if (PL_op->op_flags & OPf_STACKED) {
3652 SV *really = *++MARK;
3653 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3655 else if (SP - MARK != 1)
3656 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3658 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3661 #else /* ! FORK or VMS or OS/2 */
3662 if (PL_op->op_flags & OPf_STACKED) {
3663 SV *really = *++MARK;
3664 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3666 else if (SP - MARK != 1)
3667 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3669 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3671 STATUS_NATIVE_SET(value);
3674 PUSHi(STATUS_CURRENT);
3675 #endif /* !FORK or VMS */
3681 djSP; dMARK; dORIGMARK; dTARGET;
3685 PERL_FLUSHALL_FOR_CHILD;
3686 if (PL_op->op_flags & OPf_STACKED) {
3687 SV *really = *++MARK;
3688 value = (I32)do_aexec(really, MARK, SP);
3690 else if (SP - MARK != 1)
3692 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3696 (void ) do_aspawn(Nullsv, MARK, SP);
3700 value = (I32)do_aexec(Nullsv, MARK, SP);
3705 char *junk = SvPV(*SP, n_a);
3707 TAINT_PROPER("exec");
3710 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3713 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3716 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3727 djSP; dMARK; dTARGET;
3730 value = (I32)apply(PL_op->op_type, MARK, SP);
3735 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3743 XPUSHi( getppid() );
3746 DIE(aTHX_ PL_no_func, "getppid");
3762 pgrp = (I32)BSD_GETPGRP(pid);
3764 if (pid != 0 && pid != getpid())
3765 DIE(aTHX_ "POSIX getpgrp can't take an argument");
3771 DIE(aTHX_ PL_no_func, "getpgrp()");
3790 TAINT_PROPER("setpgrp");
3792 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3794 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3795 DIE(aTHX_ "setpgrp can't take arguments");
3796 SETi( setpgrp() >= 0 );
3797 #endif /* USE_BSDPGRP */
3800 DIE(aTHX_ PL_no_func, "setpgrp()");
3809 #ifdef HAS_GETPRIORITY
3812 SETi( getpriority(which, who) );
3815 DIE(aTHX_ PL_no_func, "getpriority()");
3825 #ifdef HAS_SETPRIORITY
3829 TAINT_PROPER("setpriority");
3830 SETi( setpriority(which, who, niceval) >= 0 );
3833 DIE(aTHX_ PL_no_func, "setpriority()");
3843 XPUSHn( time(Null(Time_t*)) );
3845 XPUSHi( time(Null(Time_t*)) );
3850 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3851 to HZ. Probably. For now, assume that if the system
3852 defines HZ, it does so correctly. (Will this break
3854 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3855 it's supported. --AD 9/96.
3871 DIE(aTHX_ "times not implemented");
3876 (void)PerlProc_times(&PL_timesbuf);
3878 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3879 /* struct tms, though same data */
3883 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
3884 if (GIMME == G_ARRAY) {
3885 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
3886 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
3887 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
3890 #endif /* HAS_TIMES */
3903 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3904 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3905 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3911 when = (Time_t)SvNVx(POPs);
3913 when = (Time_t)SvIVx(POPs);
3916 if (PL_op->op_type == OP_LOCALTIME)
3917 tmbuf = localtime(&when);
3919 tmbuf = gmtime(&when);
3923 if (GIMME != G_ARRAY) {
3928 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
3929 dayname[tmbuf->tm_wday],
3930 monname[tmbuf->tm_mon],
3935 tmbuf->tm_year + 1900);
3936 PUSHs(sv_2mortal(tsv));
3939 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
3940 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
3941 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
3942 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
3943 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
3944 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
3945 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
3946 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
3947 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
3958 anum = alarm((unsigned int)anum);
3965 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
3976 (void)time(&lasttime);
3981 PerlProc_sleep((unsigned int)duration);
3984 XPUSHi(when - lasttime);
3988 /* Shared memory. */
4002 return pp_shmwrite();
4007 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4008 djSP; dMARK; dTARGET;
4009 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4018 /* Message passing. */
4032 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4033 djSP; dMARK; dTARGET;
4034 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4045 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4046 djSP; dMARK; dTARGET;
4047 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4060 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4061 djSP; dMARK; dTARGET;
4062 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4069 DIE(aTHX_ "System V IPC is not implemented on this machine");
4075 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4076 djSP; dMARK; dTARGET;
4077 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4085 PUSHp(zero_but_true, ZBTLEN);
4095 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4096 djSP; dMARK; dTARGET;
4097 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4106 /* Get system info. */
4110 #ifdef HAS_GETHOSTBYNAME
4111 return pp_ghostent();
4113 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4119 #ifdef HAS_GETHOSTBYADDR
4120 return pp_ghostent();
4122 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4129 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4130 I32 which = PL_op->op_type;
4131 register char **elem;
4133 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4134 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4135 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4136 struct hostent *PerlSock_gethostent(void);
4138 struct hostent *hent;
4143 if (which == OP_GHBYNAME)
4144 #ifdef HAS_GETHOSTBYNAME
4145 hent = PerlSock_gethostbyname(POPpx);
4147 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4149 else if (which == OP_GHBYADDR) {
4150 #ifdef HAS_GETHOSTBYADDR
4151 int addrtype = POPi;
4154 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4156 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4158 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4162 #ifdef HAS_GETHOSTENT
4163 hent = PerlSock_gethostent();
4165 DIE(aTHX_ PL_no_sock_func, "gethostent");
4168 #ifdef HOST_NOT_FOUND
4170 STATUS_NATIVE_SET(h_errno);
4173 if (GIMME != G_ARRAY) {
4174 PUSHs(sv = sv_newmortal());
4176 if (which == OP_GHBYNAME) {
4178 sv_setpvn(sv, hent->h_addr, hent->h_length);
4181 sv_setpv(sv, (char*)hent->h_name);
4187 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4188 sv_setpv(sv, (char*)hent->h_name);
4189 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4190 for (elem = hent->h_aliases; elem && *elem; elem++) {
4191 sv_catpv(sv, *elem);
4193 sv_catpvn(sv, " ", 1);
4195 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4196 sv_setiv(sv, (IV)hent->h_addrtype);
4197 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4198 len = hent->h_length;
4199 sv_setiv(sv, (IV)len);
4201 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4202 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4203 sv_setpvn(sv, *elem, len);
4206 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4208 sv_setpvn(sv, hent->h_addr, len);
4213 DIE(aTHX_ PL_no_sock_func, "gethostent");
4219 #ifdef HAS_GETNETBYNAME
4220 return pp_gnetent();
4222 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4228 #ifdef HAS_GETNETBYADDR
4229 return pp_gnetent();
4231 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4238 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4239 I32 which = PL_op->op_type;
4240 register char **elem;
4242 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4243 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4244 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4245 struct netent *PerlSock_getnetent(void);
4247 struct netent *nent;
4250 if (which == OP_GNBYNAME)
4251 #ifdef HAS_GETNETBYNAME
4252 nent = PerlSock_getnetbyname(POPpx);
4254 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4256 else if (which == OP_GNBYADDR) {
4257 #ifdef HAS_GETNETBYADDR
4258 int addrtype = POPi;
4259 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4260 nent = PerlSock_getnetbyaddr(addr, addrtype);
4262 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4266 #ifdef HAS_GETNETENT
4267 nent = PerlSock_getnetent();
4269 DIE(aTHX_ PL_no_sock_func, "getnetent");
4273 if (GIMME != G_ARRAY) {
4274 PUSHs(sv = sv_newmortal());
4276 if (which == OP_GNBYNAME)
4277 sv_setiv(sv, (IV)nent->n_net);
4279 sv_setpv(sv, nent->n_name);
4285 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4286 sv_setpv(sv, nent->n_name);
4287 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4288 for (elem = nent->n_aliases; elem && *elem; elem++) {
4289 sv_catpv(sv, *elem);
4291 sv_catpvn(sv, " ", 1);
4293 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4294 sv_setiv(sv, (IV)nent->n_addrtype);
4295 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4296 sv_setiv(sv, (IV)nent->n_net);
4301 DIE(aTHX_ PL_no_sock_func, "getnetent");
4307 #ifdef HAS_GETPROTOBYNAME
4308 return pp_gprotoent();
4310 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4316 #ifdef HAS_GETPROTOBYNUMBER
4317 return pp_gprotoent();
4319 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4326 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4327 I32 which = PL_op->op_type;
4328 register char **elem;
4330 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4331 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4332 struct protoent *PerlSock_getprotobynumber(int);
4333 struct protoent *PerlSock_getprotoent(void);
4335 struct protoent *pent;
4338 if (which == OP_GPBYNAME)
4339 #ifdef HAS_GETPROTOBYNAME
4340 pent = PerlSock_getprotobyname(POPpx);
4342 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4344 else if (which == OP_GPBYNUMBER)
4345 #ifdef HAS_GETPROTOBYNUMBER
4346 pent = PerlSock_getprotobynumber(POPi);
4348 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4351 #ifdef HAS_GETPROTOENT
4352 pent = PerlSock_getprotoent();
4354 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4358 if (GIMME != G_ARRAY) {
4359 PUSHs(sv = sv_newmortal());
4361 if (which == OP_GPBYNAME)
4362 sv_setiv(sv, (IV)pent->p_proto);
4364 sv_setpv(sv, pent->p_name);
4370 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4371 sv_setpv(sv, pent->p_name);
4372 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4373 for (elem = pent->p_aliases; elem && *elem; elem++) {
4374 sv_catpv(sv, *elem);
4376 sv_catpvn(sv, " ", 1);
4378 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4379 sv_setiv(sv, (IV)pent->p_proto);
4384 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4390 #ifdef HAS_GETSERVBYNAME
4391 return pp_gservent();
4393 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4399 #ifdef HAS_GETSERVBYPORT
4400 return pp_gservent();
4402 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4409 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4410 I32 which = PL_op->op_type;
4411 register char **elem;
4413 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4414 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4415 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4416 struct servent *PerlSock_getservent(void);
4418 struct servent *sent;
4421 if (which == OP_GSBYNAME) {
4422 #ifdef HAS_GETSERVBYNAME
4423 char *proto = POPpx;
4426 if (proto && !*proto)
4429 sent = PerlSock_getservbyname(name, proto);
4431 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4434 else if (which == OP_GSBYPORT) {
4435 #ifdef HAS_GETSERVBYPORT
4436 char *proto = POPpx;
4437 unsigned short port = POPu;
4440 port = PerlSock_htons(port);
4442 sent = PerlSock_getservbyport(port, proto);
4444 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4448 #ifdef HAS_GETSERVENT
4449 sent = PerlSock_getservent();
4451 DIE(aTHX_ PL_no_sock_func, "getservent");
4455 if (GIMME != G_ARRAY) {
4456 PUSHs(sv = sv_newmortal());
4458 if (which == OP_GSBYNAME) {
4460 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4462 sv_setiv(sv, (IV)(sent->s_port));
4466 sv_setpv(sv, sent->s_name);
4472 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4473 sv_setpv(sv, sent->s_name);
4474 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4475 for (elem = sent->s_aliases; elem && *elem; elem++) {
4476 sv_catpv(sv, *elem);
4478 sv_catpvn(sv, " ", 1);
4480 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4482 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4484 sv_setiv(sv, (IV)(sent->s_port));
4486 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4487 sv_setpv(sv, sent->s_proto);
4492 DIE(aTHX_ PL_no_sock_func, "getservent");
4499 #ifdef HAS_SETHOSTENT
4500 PerlSock_sethostent(TOPi);
4503 DIE(aTHX_ PL_no_sock_func, "sethostent");
4510 #ifdef HAS_SETNETENT
4511 PerlSock_setnetent(TOPi);
4514 DIE(aTHX_ PL_no_sock_func, "setnetent");
4521 #ifdef HAS_SETPROTOENT
4522 PerlSock_setprotoent(TOPi);
4525 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4532 #ifdef HAS_SETSERVENT
4533 PerlSock_setservent(TOPi);
4536 DIE(aTHX_ PL_no_sock_func, "setservent");
4543 #ifdef HAS_ENDHOSTENT
4544 PerlSock_endhostent();
4548 DIE(aTHX_ PL_no_sock_func, "endhostent");
4555 #ifdef HAS_ENDNETENT
4556 PerlSock_endnetent();
4560 DIE(aTHX_ PL_no_sock_func, "endnetent");
4567 #ifdef HAS_ENDPROTOENT
4568 PerlSock_endprotoent();
4572 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4579 #ifdef HAS_ENDSERVENT
4580 PerlSock_endservent();
4584 DIE(aTHX_ PL_no_sock_func, "endservent");
4593 DIE(aTHX_ PL_no_func, "getpwnam");
4602 DIE(aTHX_ PL_no_func, "getpwuid");
4609 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4610 I32 which = PL_op->op_type;
4612 struct passwd *pwent;
4614 #if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4615 struct spwd *spwent = NULL;
4618 if (which == OP_GPWNAM)
4619 pwent = getpwnam(POPpx);
4620 else if (which == OP_GPWUID)
4621 pwent = getpwuid(POPi);
4623 pwent = (struct passwd *)getpwent();
4626 if (which == OP_GPWNAM) {
4628 spwent = getspnam(pwent->pw_name);
4630 # ifdef HAS_GETSPUID /* AFAIK there isn't any anywhere. --jhi */
4631 else if (which == OP_GPWUID) {
4633 spwent = getspnam(pwent->pw_name);
4636 # ifdef HAS_GETSPENT
4638 spwent = (struct spwd *)getspent();
4643 if (GIMME != G_ARRAY) {
4644 PUSHs(sv = sv_newmortal());
4646 if (which == OP_GPWNAM)
4647 sv_setiv(sv, (IV)pwent->pw_uid);
4649 sv_setpv(sv, pwent->pw_name);
4655 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4656 sv_setpv(sv, pwent->pw_name);
4658 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4660 # if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4662 sv_setpv(sv, spwent->sp_pwdp);
4664 sv_setpv(sv, pwent->pw_passwd);
4666 sv_setpv(sv, pwent->pw_passwd);
4670 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4671 sv_setiv(sv, (IV)pwent->pw_uid);
4673 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4674 sv_setiv(sv, (IV)pwent->pw_gid);
4676 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4677 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4679 sv_setiv(sv, (IV)pwent->pw_change);
4682 sv_setiv(sv, (IV)pwent->pw_quota);
4685 sv_setpv(sv, pwent->pw_age);
4690 /* pw_class and pw_comment are mutually exclusive. */
4691 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4693 sv_setpv(sv, pwent->pw_class);
4696 sv_setpv(sv, pwent->pw_comment);
4700 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4702 sv_setpv(sv, pwent->pw_gecos);
4704 #ifndef INCOMPLETE_TAINTS
4705 /* pw_gecos is tainted because user himself can diddle with it. */
4709 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4710 sv_setpv(sv, pwent->pw_dir);
4712 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4713 sv_setpv(sv, pwent->pw_shell);
4716 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4717 sv_setiv(sv, (IV)pwent->pw_expire);
4722 DIE(aTHX_ PL_no_func, "getpwent");
4729 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
4731 # ifdef HAS_SETSPENT
4736 DIE(aTHX_ PL_no_func, "setpwent");
4743 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4745 # ifdef HAS_ENDSPENT
4750 DIE(aTHX_ PL_no_func, "endpwent");
4759 DIE(aTHX_ PL_no_func, "getgrnam");
4768 DIE(aTHX_ PL_no_func, "getgrgid");
4775 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4776 I32 which = PL_op->op_type;
4777 register char **elem;
4779 struct group *grent;
4782 if (which == OP_GGRNAM)
4783 grent = (struct group *)getgrnam(POPpx);
4784 else if (which == OP_GGRGID)
4785 grent = (struct group *)getgrgid(POPi);
4787 grent = (struct group *)getgrent();
4790 if (GIMME != G_ARRAY) {
4791 PUSHs(sv = sv_newmortal());
4793 if (which == OP_GGRNAM)
4794 sv_setiv(sv, (IV)grent->gr_gid);
4796 sv_setpv(sv, grent->gr_name);
4802 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4803 sv_setpv(sv, grent->gr_name);
4805 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4807 sv_setpv(sv, grent->gr_passwd);
4810 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4811 sv_setiv(sv, (IV)grent->gr_gid);
4813 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4814 for (elem = grent->gr_mem; elem && *elem; elem++) {
4815 sv_catpv(sv, *elem);
4817 sv_catpvn(sv, " ", 1);
4823 DIE(aTHX_ PL_no_func, "getgrent");
4830 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4834 DIE(aTHX_ PL_no_func, "setgrent");
4841 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4845 DIE(aTHX_ PL_no_func, "endgrent");
4855 if (!(tmps = PerlProc_getlogin()))
4857 PUSHp(tmps, strlen(tmps));
4860 DIE(aTHX_ PL_no_func, "getlogin");
4864 /* Miscellaneous. */
4869 djSP; dMARK; dORIGMARK; dTARGET;
4870 register I32 items = SP - MARK;
4871 unsigned long a[20];
4878 while (++MARK <= SP) {
4879 if (SvTAINTED(*MARK)) {
4885 TAINT_PROPER("syscall");
4888 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4889 * or where sizeof(long) != sizeof(char*). But such machines will
4890 * not likely have syscall implemented either, so who cares?
4892 while (++MARK <= SP) {
4893 if (SvNIOK(*MARK) || !i)
4894 a[i++] = SvIV(*MARK);
4895 else if (*MARK == &PL_sv_undef)
4898 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
4904 DIE(aTHX_ "Too many args to syscall");
4906 DIE(aTHX_ "Too few args to syscall");
4908 retval = syscall(a[0]);
4911 retval = syscall(a[0],a[1]);
4914 retval = syscall(a[0],a[1],a[2]);
4917 retval = syscall(a[0],a[1],a[2],a[3]);
4920 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4923 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4926 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4929 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4933 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4936 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4939 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4943 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4947 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4951 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4952 a[10],a[11],a[12],a[13]);
4954 #endif /* atarist */
4960 DIE(aTHX_ PL_no_func, "syscall");
4964 #ifdef FCNTL_EMULATE_FLOCK
4966 /* XXX Emulate flock() with fcntl().
4967 What's really needed is a good file locking module.
4971 fcntl_emulate_flock(int fd, int operation)
4975 switch (operation & ~LOCK_NB) {
4977 flock.l_type = F_RDLCK;
4980 flock.l_type = F_WRLCK;
4983 flock.l_type = F_UNLCK;
4989 flock.l_whence = SEEK_SET;
4990 flock.l_start = flock.l_len = (Off_t)0;
4992 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4995 #endif /* FCNTL_EMULATE_FLOCK */
4997 #ifdef LOCKF_EMULATE_FLOCK
4999 /* XXX Emulate flock() with lockf(). This is just to increase
5000 portability of scripts. The calls are not completely
5001 interchangeable. What's really needed is a good file
5005 /* The lockf() constants might have been defined in <unistd.h>.
5006 Unfortunately, <unistd.h> causes troubles on some mixed
5007 (BSD/POSIX) systems, such as SunOS 4.1.3.
5009 Further, the lockf() constants aren't POSIX, so they might not be
5010 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5011 just stick in the SVID values and be done with it. Sigh.
5015 # define F_ULOCK 0 /* Unlock a previously locked region */
5018 # define F_LOCK 1 /* Lock a region for exclusive use */
5021 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5024 # define F_TEST 3 /* Test a region for other processes locks */
5028 lockf_emulate_flock(int fd, int operation)
5034 /* flock locks entire file so for lockf we need to do the same */
5036 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5037 if (pos > 0) /* is seekable and needs to be repositioned */
5038 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5039 pos = -1; /* seek failed, so don't seek back afterwards */
5042 switch (operation) {
5044 /* LOCK_SH - get a shared lock */
5046 /* LOCK_EX - get an exclusive lock */
5048 i = lockf (fd, F_LOCK, 0);
5051 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5052 case LOCK_SH|LOCK_NB:
5053 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5054 case LOCK_EX|LOCK_NB:
5055 i = lockf (fd, F_TLOCK, 0);
5057 if ((errno == EAGAIN) || (errno == EACCES))
5058 errno = EWOULDBLOCK;
5061 /* LOCK_UN - unlock (non-blocking is a no-op) */
5063 case LOCK_UN|LOCK_NB:
5064 i = lockf (fd, F_ULOCK, 0);
5067 /* Default - can't decipher operation */
5074 if (pos > 0) /* need to restore position of the handle */
5075 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5080 #endif /* LOCKF_EMULATE_FLOCK */