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.
21 /* Shadow password support for solaris - pdo@cs.umd.edu
22 * Not just Solaris: at least HP-UX, IRIX, Linux.
23 * the API is from SysV. --jhi */
27 /* XXX If this causes problems, set i_unistd=undef in the hint file. */
34 extern "C" int syscall(unsigned long,...);
39 # include <sys/wait.h>
43 # include <sys/resource.h>
46 #if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
47 # include <sys/socket.h>
53 # include <net/errno.h>
60 #include <sys/select.h>
64 /* XXX Configure test needed.
65 h_errno might not be a simple 'int', especially for multi-threaded
66 applications, see "extern int errno in perl.h". Creating such
67 a test requires taking into account the differences between
68 compiling multithreaded and singlethreaded ($ccflags et al).
69 HOST_NOT_FOUND is typically defined in <netdb.h>.
71 #if defined(HOST_NOT_FOUND) && !defined(h_errno)
79 struct passwd *getpwnam _((char *));
80 struct passwd *getpwuid _((Uid_t));
83 struct passwd *getpwent _((void));
91 struct group *getgrnam _((char *));
92 struct group *getgrgid _((Gid_t));
95 struct group *getgrent _((void));
100 # if defined(_MSC_VER) || defined(__MINGW32__)
101 # include <sys/utime.h>
110 #include <sys/file.h>
113 /* Put this after #includes because fork and vfork prototypes may conflict. */
118 /* Put this after #includes because <unistd.h> defines _XOPEN_*. */
120 # if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
121 # define Sock_size_t Size_t
123 # define Sock_size_t int
127 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
128 static int dooneliner _((char *cmd, char *filename));
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 emulate_eaccess (const char* path, int mode) {
234 Uid_t ruid = getuid();
235 Uid_t euid = geteuid();
236 Gid_t rgid = getgid();
237 Gid_t egid = getegid();
240 MUTEX_LOCK(&PL_cred_mutex);
241 #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
242 croak("switching effective uid is not implemented");
245 if (setreuid(euid, ruid))
248 if (setresuid(euid, ruid, (Uid_t)-1))
251 croak("entering effective uid failed");
254 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
255 croak("switching effective gid is not implemented");
258 if (setregid(egid, rgid))
261 if (setresgid(egid, rgid, (Gid_t)-1))
264 croak("entering effective gid failed");
267 res = access(path, mode);
270 if (setreuid(ruid, euid))
273 if (setresuid(ruid, euid, (Uid_t)-1))
276 croak("leaving effective uid failed");
279 if (setregid(rgid, egid))
282 if (setresgid(rgid, egid, (Gid_t)-1))
285 croak("leaving effective gid failed");
286 MUTEX_UNLOCK(&PL_cred_mutex);
290 # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
291 # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
292 # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
295 #if !defined(PERL_EFF_ACCESS_R_OK)
297 emulate_eaccess (const char* path, int mode) {
298 croak("switching effective uid is not implemented");
313 fp = PerlProc_popen(tmps, "r");
315 if (gimme == G_VOID) {
317 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
321 else if (gimme == G_SCALAR) {
322 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
323 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
334 if (sv_gets(sv, fp, 0) == Nullch) {
338 XPUSHs(sv_2mortal(sv));
339 if (SvLEN(sv) - SvCUR(sv) > 20) {
340 SvLEN_set(sv, SvCUR(sv)+1);
341 Renew(SvPVX(sv), SvLEN(sv), char);
346 STATUS_NATIVE_SET(PerlProc_pclose(fp));
347 TAINT; /* "I believe that this is not gratuitous!" */
350 STATUS_NATIVE_SET(-1);
351 if (gimme == G_SCALAR)
361 tryAMAGICunTARGET(iter, -1);
368 * The external globbing program may use things we can't control,
369 * so for security reasons we must assume the worst.
372 taint_proper(PL_no_security, "glob");
376 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
377 PL_last_in_gv = (GV*)*PL_stack_sp--;
379 SAVESPTR(PL_rs); /* This is not permanent, either. */
380 PL_rs = sv_2mortal(newSVpvn("\000", 1));
383 *SvPVX(PL_rs) = '\n';
387 result = do_readline();
392 #if 0 /* XXX never used! */
396 PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), n_a), TRUE,SVt_PVIO);
397 return do_readline();
403 PL_last_in_gv = cGVOP->op_gv;
404 return do_readline();
413 if (SP - MARK != 1) {
415 do_join(TARG, &PL_sv_no, MARK, SP);
422 tmps = SvPV(tmpsv, len);
425 (void)SvUPGRADE(error, SVt_PV);
426 if (SvPOK(error) && SvCUR(error))
427 sv_catpv(error, "\t...caught");
429 tmps = SvPV(tmpsv, len);
432 tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26));
445 if (SP - MARK != 1) {
447 do_join(TARG, &PL_sv_no, MARK, SP);
449 tmps = SvPV(tmpsv, len);
455 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, len);
459 (void)SvUPGRADE(error, SVt_PV);
460 if (multiarg ? SvROK(error) : SvROK(tmpsv)) {
462 SvSetSV(error,tmpsv);
463 else if (sv_isobject(error)) {
464 HV *stash = SvSTASH(SvRV(error));
465 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
467 SV *file = sv_2mortal(newSVsv(GvSV(PL_curcop->cop_filegv)));
468 SV *line = sv_2mortal(newSViv(PL_curcop->cop_line));
475 perl_call_sv((SV*)GvCV(gv),
476 G_SCALAR|G_EVAL|G_KEEPERR);
477 sv_setsv(error,*PL_stack_sp--);
483 if (SvPOK(error) && SvCUR(error))
484 sv_catpv(error, "\t...propagated");
486 tmps = SvPV(tmpsv, len);
490 tmpsv = sv_2mortal(newSVpvn("Died", 4));
509 DIE(PL_no_usym, "filehandle");
514 DIE(PL_no_usym, "filehandle");
516 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
518 #if 0 /* no undef means tmpfile() yet */
519 if (sv == &PL_sv_undef) {
521 PerlIO *fp = PerlIO_tmpfile();
523 PerlIO *fp = tmpfile();
525 if (fp != Nullfp && do_open(gv, "+>&", 3, FALSE, 0, 0, fp))
526 PUSHi( (I32)PL_forkprocess );
531 #endif /* no undef means tmpfile() yet */
534 if (mg = SvTIED_mg((SV*)gv, 'q')) {
536 XPUSHs(SvTIED_obj((SV*)gv, mg));
540 perl_call_method("OPEN", G_SCALAR);
546 tmps = SvPV(sv, len);
547 if (do_open(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp))
548 PUSHi( (I32)PL_forkprocess );
549 else if (PL_forkprocess == 0) /* we are a new child */
567 if (mg = SvTIED_mg((SV*)gv, 'q')) {
569 XPUSHs(SvTIED_obj((SV*)gv, mg));
572 perl_call_method("CLOSE", G_SCALAR);
578 PUSHs(boolSV(do_close(gv, TRUE)));
598 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
599 DIE(PL_no_usym, "filehandle");
604 do_close(rgv, FALSE);
606 do_close(wgv, FALSE);
608 if (PerlProc_pipe(fd) < 0)
611 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
612 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
613 IoIFP(wstio) = IoOFP(wstio);
617 if (!IoIFP(rstio) || !IoOFP(wstio)) {
618 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
619 else PerlLIO_close(fd[0]);
620 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
621 else PerlLIO_close(fd[1]);
624 #if defined(HAS_FCNTL) && defined(F_SETFD)
625 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
626 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
633 DIE(PL_no_func, "pipe");
649 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
651 XPUSHs(SvTIED_obj((SV*)gv, mg));
654 perl_call_method("FILENO", G_SCALAR);
660 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
662 PUSHi(PerlIO_fileno(fp));
673 anum = PerlLIO_umask(0);
674 (void)PerlLIO_umask(anum);
677 anum = PerlLIO_umask(POPi);
678 TAINT_PROPER("umask");
681 /* Only DIE if trying to restrict permissions on `user' (self).
682 * Otherwise it's harmless and more useful to just return undef
683 * since 'group' and 'other' concepts probably don't exist here. */
684 if (MAXARG >= 1 && (POPi & 0700))
685 DIE("umask not implemented");
686 XPUSHs(&PL_sv_undef);
704 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
706 XPUSHs(SvTIED_obj((SV*)gv, mg));
709 perl_call_method("BINMODE", G_SCALAR);
716 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
719 if (do_binmode(fp,IoTYPE(io),TRUE))
734 I32 markoff = MARK - PL_stack_base;
741 switch(SvTYPE(varsv)) {
743 methname = "TIEHASH";
746 methname = "TIEARRAY";
749 methname = "TIEHANDLE";
753 methname = "TIESCALAR";
758 if (sv_isobject(*MARK)) {
760 PUSHSTACKi(PERLSI_MAGIC);
766 perl_call_method(methname, G_SCALAR);
769 /* Not clear why we don't call perl_call_method here too.
770 * perhaps to get different error message ?
772 stash = gv_stashsv(*MARK, FALSE);
773 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
774 DIE("Can't locate object method \"%s\" via package \"%s\"",
775 methname, SvPV(*MARK,n_a));
778 PUSHSTACKi(PERLSI_MAGIC);
784 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
790 if (sv_isobject(sv)) {
791 sv_unmagic(varsv, how);
792 sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0);
795 SP = PL_stack_base + markoff;
804 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
806 if (ckWARN(WARN_UNTIE)) {
808 if (mg = SvTIED_mg(sv, how)) {
809 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
811 "untie attempted while %lu inner references still exist",
812 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
824 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
827 if (mg = SvTIED_mg(sv, how)) {
828 SV *osv = SvTIED_obj(sv, mg);
829 if (osv == mg->mg_obj)
830 osv = sv_mortalcopy(osv);
848 sv = sv_mortalcopy(&PL_sv_no);
849 sv_setpv(sv, "AnyDBM_File");
850 stash = gv_stashsv(sv, FALSE);
851 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
853 perl_require_pv("AnyDBM_File.pm");
855 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
856 DIE("No dbm on this machine");
866 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
868 PUSHs(sv_2mortal(newSViv(O_RDWR)));
871 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
874 if (!sv_isobject(TOPs)) {
879 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
882 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
886 if (sv_isobject(TOPs)) {
887 sv_unmagic((SV *) hv, 'P');
888 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
896 return pp_untie(ARGS);
910 struct timeval timebuf;
911 struct timeval *tbuf = &timebuf;
915 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
920 # if BYTEORDER & 0xf0000
921 # define ORDERBYTE (0x88888888 - BYTEORDER)
923 # define ORDERBYTE (0x4444 - BYTEORDER)
929 for (i = 1; i <= 3; i++) {
937 /* little endians can use vecs directly */
938 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
939 # if SELECT_MIN_BITS > 1
940 /* If SELECT_MIN_BITS is greater than one we most probably will want
941 * to align the sizes with SELECT_MIN_BITS/8 because for example
942 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
943 * UNIX, Solaris, NeXT, Rhapsody) the smallest quantum select() operates
944 * on (sets/tests/clears bits) is 32 bits. */
945 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
947 growsize = sizeof(fd_set);
956 masksize = NFDBITS / NBBY;
958 masksize = sizeof(long); /* documented int, everyone seems to use long */
960 growsize = maxlen + (masksize - (maxlen % masksize));
961 Zero(&fd_sets[0], 4, char*);
969 timebuf.tv_sec = (long)value;
970 value -= (double)timebuf.tv_sec;
971 timebuf.tv_usec = (long)(value * 1000000.0);
974 tbuf = Null(struct timeval*);
976 for (i = 1; i <= 3; i++) {
983 SvPV_force(sv,n_a); /* force string conversion */
986 Sv_Grow(sv, growsize);
990 while (++j <= growsize) {
994 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
996 New(403, fd_sets[i], growsize, char);
997 for (offset = 0; offset < growsize; offset += masksize) {
998 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
999 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1002 fd_sets[i] = SvPVX(sv);
1006 nfound = PerlSock_select(
1008 (Select_fd_set_t) fd_sets[1],
1009 (Select_fd_set_t) fd_sets[2],
1010 (Select_fd_set_t) fd_sets[3],
1012 for (i = 1; i <= 3; i++) {
1015 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1017 for (offset = 0; offset < growsize; offset += masksize) {
1018 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1019 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1021 Safefree(fd_sets[i]);
1028 if (GIMME == G_ARRAY && tbuf) {
1029 value = (double)(timebuf.tv_sec) +
1030 (double)(timebuf.tv_usec) / 1000000.0;
1031 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1032 sv_setnv(sv, value);
1036 DIE("select not implemented");
1045 (void)SvREFCNT_inc(gv);
1047 SvREFCNT_dec(PL_defoutgv);
1054 GV *newdefout, *egv;
1057 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1059 egv = GvEGV(PL_defoutgv);
1064 XPUSHs(&PL_sv_undef);
1066 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1067 if (gvp && *gvp == egv) {
1068 gv_efullname3(TARG, PL_defoutgv, Nullch);
1072 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1077 if (!GvIO(newdefout))
1078 gv_IOadd(newdefout);
1079 setdefout(newdefout);
1098 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1099 I32 gimme = GIMME_V;
1101 XPUSHs(SvTIED_obj((SV*)gv, mg));
1104 perl_call_method("GETC", gimme);
1107 if (gimme == G_SCALAR)
1108 SvSetMagicSV_nosteal(TARG, TOPs);
1111 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1114 sv_setpv(TARG, " ");
1115 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1122 return pp_sysread(ARGS);
1126 doform(CV *cv, GV *gv, OP *retop)
1129 register PERL_CONTEXT *cx;
1130 I32 gimme = GIMME_V;
1131 AV* padlist = CvPADLIST(cv);
1132 SV** svp = AvARRAY(padlist);
1138 PUSHBLOCK(cx, CXt_SUB, PL_stack_sp);
1140 SAVESPTR(PL_curpad);
1141 PL_curpad = AvARRAY((AV*)svp[1]);
1143 setdefout(gv); /* locally select filehandle so $% et al work */
1175 SV *tmpsv = sv_newmortal();
1176 gv_efullname3(tmpsv, fgv, Nullch);
1177 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
1179 DIE("Not a format reference");
1182 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1184 IoFLAGS(io) &= ~IOf_DIDTOP;
1185 return doform(cv,gv,PL_op->op_next);
1191 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1192 register IO *io = GvIOp(gv);
1193 PerlIO *ofp = IoOFP(io);
1197 register PERL_CONTEXT *cx;
1199 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1200 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1201 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1202 PL_formtarget != PL_toptarget)
1206 if (!IoTOP_GV(io)) {
1210 if (!IoTOP_NAME(io)) {
1211 if (!IoFMT_NAME(io))
1212 IoFMT_NAME(io) = savepv(GvNAME(gv));
1213 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
1214 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1215 if ((topgv && GvFORM(topgv)) ||
1216 !gv_fetchpv("top",FALSE,SVt_PVFM))
1217 IoTOP_NAME(io) = savepv(SvPVX(topname));
1219 IoTOP_NAME(io) = savepv("top");
1221 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1222 if (!topgv || !GvFORM(topgv)) {
1223 IoLINES_LEFT(io) = 100000000;
1226 IoTOP_GV(io) = topgv;
1228 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1229 I32 lines = IoLINES_LEFT(io);
1230 char *s = SvPVX(PL_formtarget);
1231 if (lines <= 0) /* Yow, header didn't even fit!!! */
1233 while (lines-- > 0) {
1234 s = strchr(s, '\n');
1240 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1241 sv_chop(PL_formtarget, s);
1242 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1245 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1246 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1247 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1249 PL_formtarget = PL_toptarget;
1250 IoFLAGS(io) |= IOf_DIDTOP;
1253 DIE("bad top format reference");
1256 SV *tmpsv = sv_newmortal();
1257 gv_efullname3(tmpsv, fgv, Nullch);
1258 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1261 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1262 return doform(cv,gv,PL_op);
1266 POPBLOCK(cx,PL_curpm);
1272 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1274 warner(WARN_IO, "Filehandle only opened for input");
1275 else if (ckWARN(WARN_CLOSED))
1276 warner(WARN_CLOSED, "Write on closed filehandle");
1281 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1282 if (ckWARN(WARN_IO))
1283 warner(WARN_IO, "page overflow");
1285 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1289 FmLINES(PL_formtarget) = 0;
1290 SvCUR_set(PL_formtarget, 0);
1291 *SvEND(PL_formtarget) = '\0';
1292 if (IoFLAGS(io) & IOf_FLUSH)
1293 (void)PerlIO_flush(fp);
1297 PL_formtarget = PL_bodytarget;
1299 return pop_return();
1304 djSP; dMARK; dORIGMARK;
1312 if (PL_op->op_flags & OPf_STACKED)
1317 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1318 if (MARK == ORIGMARK) {
1321 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1325 *MARK = SvTIED_obj((SV*)gv, mg);
1328 perl_call_method("PRINTF", G_SCALAR);
1331 MARK = ORIGMARK + 1;
1338 if (!(io = GvIO(gv))) {
1339 if (ckWARN(WARN_UNOPENED)) {
1340 gv_fullname3(sv, gv, Nullch);
1341 warner(WARN_UNOPENED, "Filehandle %s never opened", SvPV(sv,n_a));
1343 SETERRNO(EBADF,RMS$_IFI);
1346 else if (!(fp = IoOFP(io))) {
1347 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1348 gv_fullname3(sv, gv, Nullch);
1350 warner(WARN_IO, "Filehandle %s opened only for input",
1352 else if (ckWARN(WARN_CLOSED))
1353 warner(WARN_CLOSED, "printf on closed filehandle %s",
1356 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1360 #ifdef USE_LOCALE_NUMERIC
1361 if (PL_op->op_private & OPpLOCALE)
1362 SET_NUMERIC_LOCAL();
1364 SET_NUMERIC_STANDARD();
1366 do_sprintf(sv, SP - MARK, MARK + 1);
1367 if (!do_print(sv, fp))
1370 if (IoFLAGS(io) & IOf_FLUSH)
1371 if (PerlIO_flush(fp) == EOF)
1382 PUSHs(&PL_sv_undef);
1403 /* Need TIEHANDLE method ? */
1405 tmps = SvPV(sv, len);
1406 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1407 IoLINES(GvIOp(gv)) = 0;
1411 PUSHs(&PL_sv_undef);
1418 djSP; dMARK; dORIGMARK; dTARGET;
1424 Sock_size_t bufsize;
1430 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1431 (mg = SvTIED_mg((SV*)gv, 'q')))
1436 *MARK = SvTIED_obj((SV*)gv, mg);
1438 perl_call_method("READ", G_SCALAR);
1451 sv_setpvn(bufsv, "", 0);
1452 buffer = SvPV_force(bufsv, blen);
1453 length = SvIVx(*++MARK);
1455 DIE("Negative length");
1458 offset = SvIVx(*++MARK);
1462 if (!io || !IoIFP(io))
1465 if (PL_op->op_type == OP_RECV) {
1466 char namebuf[MAXPATHLEN];
1467 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1468 bufsize = sizeof (struct sockaddr_in);
1470 bufsize = sizeof namebuf;
1472 buffer = SvGROW(bufsv, length+1);
1473 /* 'offset' means 'flags' here */
1474 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1475 (struct sockaddr *)namebuf, &bufsize);
1478 SvCUR_set(bufsv, length);
1479 *SvEND(bufsv) = '\0';
1480 (void)SvPOK_only(bufsv);
1482 /* This should not be marked tainted if the fp is marked clean */
1483 if (!(IoFLAGS(io) & IOf_UNTAINT))
1484 SvTAINTED_on(bufsv);
1486 sv_setpvn(TARG, namebuf, bufsize);
1491 if (PL_op->op_type == OP_RECV)
1492 DIE(PL_no_sock_func, "recv");
1496 DIE("Offset outside string");
1499 bufsize = SvCUR(bufsv);
1500 buffer = SvGROW(bufsv, length+offset+1);
1501 if (offset > bufsize) { /* Zero any newly allocated space */
1502 Zero(buffer+bufsize, offset-bufsize, char);
1504 if (PL_op->op_type == OP_SYSREAD) {
1505 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1506 if (IoTYPE(io) == 's') {
1507 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1508 buffer+offset, length, 0);
1513 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1514 buffer+offset, length);
1518 #ifdef HAS_SOCKET__bad_code_maybe
1519 if (IoTYPE(io) == 's') {
1520 char namebuf[MAXPATHLEN];
1521 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1522 bufsize = sizeof (struct sockaddr_in);
1524 bufsize = sizeof namebuf;
1526 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1527 (struct sockaddr *)namebuf, &bufsize);
1532 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1533 /* fread() returns 0 on both error and EOF */
1534 if (length == 0 && PerlIO_error(IoIFP(io)))
1539 SvCUR_set(bufsv, length+offset);
1540 *SvEND(bufsv) = '\0';
1541 (void)SvPOK_only(bufsv);
1543 /* This should not be marked tainted if the fp is marked clean */
1544 if (!(IoFLAGS(io) & IOf_UNTAINT))
1545 SvTAINTED_on(bufsv);
1558 int items = (SP - PL_stack_base) - TOPMARK;
1562 sv = sv_2mortal(newSViv(sv_len(*SP)));
1566 return pp_send(ARGS);
1571 djSP; dMARK; dORIGMARK; dTARGET;
1582 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1586 *MARK = SvTIED_obj((SV*)gv, mg);
1588 perl_call_method("WRITE", G_SCALAR);
1599 buffer = SvPV(bufsv, blen);
1600 length = SvIVx(*++MARK);
1602 DIE("Negative length");
1605 if (!io || !IoIFP(io)) {
1607 if (ckWARN(WARN_CLOSED)) {
1608 if (PL_op->op_type == OP_SYSWRITE)
1609 warner(WARN_CLOSED, "Syswrite on closed filehandle");
1611 warner(WARN_CLOSED, "Send on closed socket");
1614 else if (PL_op->op_type == OP_SYSWRITE) {
1616 offset = SvIVx(*++MARK);
1619 DIE("Offset outside string");
1621 } else if (offset >= blen && blen > 0)
1622 DIE("Offset outside string");
1625 if (length > blen - offset)
1626 length = blen - offset;
1627 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1628 if (IoTYPE(io) == 's') {
1629 length = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1630 buffer+offset, length, 0);
1635 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1636 buffer+offset, length);
1640 else if (SP > MARK) {
1643 sockbuf = SvPVx(*++MARK, mlen);
1644 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1645 (struct sockaddr *)sockbuf, mlen);
1648 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1652 DIE(PL_no_sock_func, "send");
1667 return pp_sysread(ARGS);
1679 gv = PL_last_in_gv = (GV*)POPs;
1681 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1683 XPUSHs(SvTIED_obj((SV*)gv, mg));
1686 perl_call_method("EOF", G_SCALAR);
1692 PUSHs(boolSV(!gv || do_eof(gv)));
1705 gv = PL_last_in_gv = (GV*)POPs;
1707 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1709 XPUSHs(SvTIED_obj((SV*)gv, mg));
1712 perl_call_method("TELL", G_SCALAR);
1718 PUSHi( do_tell(gv) );
1724 return pp_sysseek(ARGS);
1732 Off_t offset = POPl;
1735 gv = PL_last_in_gv = (GV*)POPs;
1737 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1739 XPUSHs(SvTIED_obj((SV*)gv, mg));
1740 XPUSHs(sv_2mortal(newSViv((IV) offset)));
1741 XPUSHs(sv_2mortal(newSViv((IV) whence)));
1744 perl_call_method("SEEK", G_SCALAR);
1750 if (PL_op->op_type == OP_SEEK)
1751 PUSHs(boolSV(do_seek(gv, offset, whence)));
1753 Off_t n = do_sysseek(gv, offset, whence);
1754 PUSHs((n < 0) ? &PL_sv_undef
1755 : sv_2mortal(n ? newSViv((IV)n)
1756 : newSVpvn(zero_but_true, ZBTLEN)));
1764 Off_t len = (Off_t)POPn;
1770 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1771 if (PL_op->op_flags & OPf_SPECIAL) {
1772 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1774 TAINT_PROPER("truncate");
1775 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1777 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1779 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1788 if (SvTYPE(sv) == SVt_PVGV) {
1789 tmpgv = (GV*)sv; /* *main::FRED for example */
1792 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1793 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1797 name = SvPV(sv, n_a);
1798 TAINT_PROPER("truncate");
1800 if (truncate(name, len) < 0)
1805 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1808 if (my_chsize(tmpfd, len) < 0)
1810 PerlLIO_close(tmpfd);
1819 SETERRNO(EBADF,RMS$_IFI);
1822 DIE("truncate not implemented");
1828 return pp_ioctl(ARGS);
1835 unsigned int func = U_I(POPn);
1836 int optype = PL_op->op_type;
1842 if (!io || !argsv || !IoIFP(io)) {
1843 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1847 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1850 s = SvPV_force(argsv, len);
1851 need = IOCPARM_LEN(func);
1853 s = Sv_Grow(argsv, need + 1);
1854 SvCUR_set(argsv, need);
1857 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1860 retval = SvIV(argsv);
1861 s = (char*)retval; /* ouch */
1864 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1866 if (optype == OP_IOCTL)
1868 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1870 DIE("ioctl is not implemented");
1874 #if defined(OS2) && defined(__EMX__)
1875 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1877 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1880 DIE("fcntl is not implemented");
1884 if (s[SvCUR(argsv)] != 17)
1885 DIE("Possible memory corruption: %s overflowed 3rd argument",
1886 PL_op_name[optype]);
1887 s[SvCUR(argsv)] = 0; /* put our null back */
1888 SvSETMAGIC(argsv); /* Assume it has changed */
1897 PUSHp(zero_but_true, ZBTLEN);
1917 fp = IoIFP(GvIOp(gv));
1921 (void)PerlIO_flush(fp);
1922 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1929 DIE(PL_no_func, "flock()");
1941 int protocol = POPi;
1949 SETERRNO(EBADF,LIB$_INVARG);
1955 do_close(gv, FALSE);
1957 TAINT_PROPER("socket");
1958 fd = PerlSock_socket(domain, type, protocol);
1961 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1962 IoOFP(io) = PerlIO_fdopen(fd, "w");
1964 if (!IoIFP(io) || !IoOFP(io)) {
1965 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1966 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1967 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
1973 DIE(PL_no_sock_func, "socket");
1980 #ifdef HAS_SOCKETPAIR
1985 int protocol = POPi;
1998 do_close(gv1, FALSE);
2000 do_close(gv2, FALSE);
2002 TAINT_PROPER("socketpair");
2003 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2005 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2006 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2008 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2009 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2011 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2012 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2013 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2014 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2015 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2016 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2017 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2023 DIE(PL_no_sock_func, "socketpair");
2031 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2032 extern GETPRIVMODE();
2033 extern GETUSERMODE();
2038 register IO *io = GvIOn(gv);
2042 int mpeprivmode = 0;
2045 if (!io || !IoIFP(io))
2048 addr = SvPV(addrsv, len);
2049 TAINT_PROPER("bind");
2050 #ifdef MPE /* Deal with MPE bind() peculiarities */
2051 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2052 /* The address *MUST* stupidly be zero. */
2053 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2054 /* PRIV mode is required to bind() to ports < 1024. */
2055 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2056 ((struct sockaddr_in *)addr)->sin_port > 0) {
2057 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2062 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2063 (struct sockaddr *)addr, len) >= 0)
2066 #ifdef MPE /* Switch back to USER mode */
2077 if (ckWARN(WARN_CLOSED))
2078 warner(WARN_CLOSED, "bind() on closed fd");
2079 SETERRNO(EBADF,SS$_IVCHAN);
2082 DIE(PL_no_sock_func, "bind");
2093 register IO *io = GvIOn(gv);
2096 if (!io || !IoIFP(io))
2099 addr = SvPV(addrsv, len);
2100 TAINT_PROPER("connect");
2101 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2107 if (ckWARN(WARN_CLOSED))
2108 warner(WARN_CLOSED, "connect() on closed fd");
2109 SETERRNO(EBADF,SS$_IVCHAN);
2112 DIE(PL_no_sock_func, "connect");
2122 register IO *io = GvIOn(gv);
2124 if (!io || !IoIFP(io))
2127 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2133 if (ckWARN(WARN_CLOSED))
2134 warner(WARN_CLOSED, "listen() on closed fd");
2135 SETERRNO(EBADF,SS$_IVCHAN);
2138 DIE(PL_no_sock_func, "listen");
2150 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2151 Sock_size_t len = sizeof saddr;
2163 if (!gstio || !IoIFP(gstio))
2168 do_close(ngv, FALSE);
2170 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2173 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2174 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2175 IoTYPE(nstio) = 's';
2176 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2177 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2178 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2179 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2183 PUSHp((char *)&saddr, len);
2187 if (ckWARN(WARN_CLOSED))
2188 warner(WARN_CLOSED, "accept() on closed fd");
2189 SETERRNO(EBADF,SS$_IVCHAN);
2195 DIE(PL_no_sock_func, "accept");
2205 register IO *io = GvIOn(gv);
2207 if (!io || !IoIFP(io))
2210 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2214 if (ckWARN(WARN_CLOSED))
2215 warner(WARN_CLOSED, "shutdown() on closed fd");
2216 SETERRNO(EBADF,SS$_IVCHAN);
2219 DIE(PL_no_sock_func, "shutdown");
2226 return pp_ssockopt(ARGS);
2228 DIE(PL_no_sock_func, "getsockopt");
2236 int optype = PL_op->op_type;
2239 unsigned int optname;
2245 if (optype == OP_GSOCKOPT)
2246 sv = sv_2mortal(NEWSV(22, 257));
2249 optname = (unsigned int) POPi;
2250 lvl = (unsigned int) POPi;
2254 if (!io || !IoIFP(io))
2257 fd = PerlIO_fileno(IoIFP(io));
2261 (void)SvPOK_only(sv);
2265 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2280 aint = (int)SvIV(sv);
2284 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2293 if (ckWARN(WARN_CLOSED))
2294 warner(WARN_CLOSED, "[gs]etsockopt() on closed fd");
2295 SETERRNO(EBADF,SS$_IVCHAN);
2300 DIE(PL_no_sock_func, "setsockopt");
2307 return pp_getpeername(ARGS);
2309 DIE(PL_no_sock_func, "getsockname");
2317 int optype = PL_op->op_type;
2321 register IO *io = GvIOn(gv);
2324 if (!io || !IoIFP(io))
2327 sv = sv_2mortal(NEWSV(22, 257));
2328 (void)SvPOK_only(sv);
2332 fd = PerlIO_fileno(IoIFP(io));
2334 case OP_GETSOCKNAME:
2335 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2338 case OP_GETPEERNAME:
2339 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2341 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2343 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2344 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2345 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2346 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2347 sizeof(u_short) + sizeof(struct in_addr))) {
2354 #ifdef BOGUS_GETNAME_RETURN
2355 /* Interactive Unix, getpeername() and getsockname()
2356 does not return valid namelen */
2357 if (len == BOGUS_GETNAME_RETURN)
2358 len = sizeof(struct sockaddr);
2366 if (ckWARN(WARN_CLOSED))
2367 warner(WARN_CLOSED, "get{sock, peer}name() on closed fd");
2368 SETERRNO(EBADF,SS$_IVCHAN);
2373 DIE(PL_no_sock_func, "getpeername");
2381 return pp_stat(ARGS);
2392 if (PL_op->op_flags & OPf_REF) {
2393 tmpgv = cGVOP->op_gv;
2395 if (tmpgv != PL_defgv) {
2396 PL_laststype = OP_STAT;
2398 sv_setpv(PL_statname, "");
2399 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2400 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2402 if (PL_laststatval < 0)
2407 if (SvTYPE(sv) == SVt_PVGV) {
2411 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2412 tmpgv = (GV*)SvRV(sv);
2415 sv_setpv(PL_statname, SvPV(sv,n_a));
2418 PL_laststype = PL_op->op_type;
2419 if (PL_op->op_type == OP_LSTAT)
2420 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2423 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2424 if (PL_laststatval < 0) {
2425 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2426 warner(WARN_NEWLINE, PL_warn_nl, "stat");
2432 if (gimme != G_ARRAY) {
2433 if (gimme != G_VOID)
2434 XPUSHs(boolSV(max));
2440 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_dev)));
2441 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ino)));
2442 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mode)));
2443 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_nlink)));
2444 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_uid)));
2445 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_gid)));
2446 #ifdef USE_STAT_RDEV
2447 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_rdev)));
2449 PUSHs(sv_2mortal(newSVpvn("", 0)));
2451 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_size)));
2453 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_atime)));
2454 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_mtime)));
2455 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_ctime)));
2457 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_atime)));
2458 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mtime)));
2459 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ctime)));
2461 #ifdef USE_STAT_BLOCKS
2462 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blksize)));
2463 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blocks)));
2465 PUSHs(sv_2mortal(newSVpvn("", 0)));
2466 PUSHs(sv_2mortal(newSVpvn("", 0)));
2476 #if defined(HAS_ACCESS) && defined(R_OK)
2478 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2479 result = access(TOPpx, R_OK);
2487 result = my_stat(ARGS);
2489 result = my_stat(ARGS);
2494 if (cando(S_IRUSR, 0, &PL_statcache))
2503 #if defined(HAS_ACCESS) && defined(W_OK)
2505 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2506 result = access(TOPpx, W_OK);
2514 result = my_stat(ARGS);
2516 result = my_stat(ARGS);
2521 if (cando(S_IWUSR, 0, &PL_statcache))
2530 #if defined(HAS_ACCESS) && defined(X_OK)
2532 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2533 result = access(TOPpx, X_OK);
2541 result = my_stat(ARGS);
2543 result = my_stat(ARGS);
2548 if (cando(S_IXUSR, 0, &PL_statcache))
2557 #ifdef PERL_EFF_ACCESS_R_OK
2559 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2560 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2568 result = my_stat(ARGS);
2570 result = my_stat(ARGS);
2575 if (cando(S_IRUSR, 1, &PL_statcache))
2584 #ifdef PERL_EFF_ACCESS_W_OK
2586 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2587 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2595 result = my_stat(ARGS);
2597 result = my_stat(ARGS);
2602 if (cando(S_IWUSR, 1, &PL_statcache))
2611 #ifdef PERL_EFF_ACCESS_X_OK
2613 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2614 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2622 result = my_stat(ARGS);
2624 result = my_stat(ARGS);
2629 if (cando(S_IXUSR, 1, &PL_statcache))
2636 I32 result = my_stat(ARGS);
2645 return pp_ftrowned(ARGS);
2650 I32 result = my_stat(ARGS);
2654 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? PL_euid : PL_uid) )
2661 I32 result = my_stat(ARGS);
2665 if (!PL_statcache.st_size)
2672 I32 result = my_stat(ARGS);
2676 PUSHi(PL_statcache.st_size);
2682 I32 result = my_stat(ARGS);
2686 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_mtime) / 86400.0 );
2692 I32 result = my_stat(ARGS);
2696 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_atime) / 86400.0 );
2702 I32 result = my_stat(ARGS);
2706 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_ctime) / 86400.0 );
2712 I32 result = my_stat(ARGS);
2716 if (S_ISSOCK(PL_statcache.st_mode))
2723 I32 result = my_stat(ARGS);
2727 if (S_ISCHR(PL_statcache.st_mode))
2734 I32 result = my_stat(ARGS);
2738 if (S_ISBLK(PL_statcache.st_mode))
2745 I32 result = my_stat(ARGS);
2749 if (S_ISREG(PL_statcache.st_mode))
2756 I32 result = my_stat(ARGS);
2760 if (S_ISDIR(PL_statcache.st_mode))
2767 I32 result = my_stat(ARGS);
2771 if (S_ISFIFO(PL_statcache.st_mode))
2778 I32 result = my_lstat(ARGS);
2782 if (S_ISLNK(PL_statcache.st_mode))
2791 I32 result = my_stat(ARGS);
2795 if (PL_statcache.st_mode & S_ISUID)
2805 I32 result = my_stat(ARGS);
2809 if (PL_statcache.st_mode & S_ISGID)
2819 I32 result = my_stat(ARGS);
2823 if (PL_statcache.st_mode & S_ISVTX)
2834 char *tmps = Nullch;
2837 if (PL_op->op_flags & OPf_REF)
2839 else if (isGV(TOPs))
2841 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2842 gv = (GV*)SvRV(POPs);
2844 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2846 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2847 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2848 else if (tmps && isDIGIT(*tmps))
2852 if (PerlLIO_isatty(fd))
2857 #if defined(atarist) /* this will work with atariST. Configure will
2858 make guesses for other systems. */
2859 # define FILE_base(f) ((f)->_base)
2860 # define FILE_ptr(f) ((f)->_ptr)
2861 # define FILE_cnt(f) ((f)->_cnt)
2862 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2872 register STDCHAR *s;
2878 if (PL_op->op_flags & OPf_REF)
2880 else if (isGV(TOPs))
2882 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2883 gv = (GV*)SvRV(POPs);
2889 if (gv == PL_defgv) {
2891 io = GvIO(PL_statgv);
2894 goto really_filename;
2899 PL_laststatval = -1;
2900 sv_setpv(PL_statname, "");
2901 io = GvIO(PL_statgv);
2903 if (io && IoIFP(io)) {
2904 if (! PerlIO_has_base(IoIFP(io)))
2905 DIE("-T and -B not implemented on filehandles");
2906 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
2907 if (PL_laststatval < 0)
2909 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
2910 if (PL_op->op_type == OP_FTTEXT)
2914 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2915 i = PerlIO_getc(IoIFP(io));
2917 (void)PerlIO_ungetc(IoIFP(io),i);
2919 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2921 len = PerlIO_get_bufsiz(IoIFP(io));
2922 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2923 /* sfio can have large buffers - limit to 512 */
2928 if (ckWARN(WARN_UNOPENED))
2929 warner(WARN_UNOPENED, "Test on unopened file <%s>",
2930 GvENAME(cGVOP->op_gv));
2931 SETERRNO(EBADF,RMS$_IFI);
2939 PL_laststatval = -1;
2940 sv_setpv(PL_statname, SvPV(sv, n_a));
2942 i = PerlLIO_open3(SvPV(sv, n_a), O_RDONLY, 0);
2944 i = PerlLIO_open(SvPV(sv, n_a), 0);
2947 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
2948 warner(WARN_NEWLINE, PL_warn_nl, "open");
2951 PL_laststatval = PerlLIO_fstat(i, &PL_statcache);
2952 if (PL_laststatval < 0)
2954 len = PerlLIO_read(i, tbuf, 512);
2955 (void)PerlLIO_close(i);
2957 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
2958 RETPUSHNO; /* special case NFS directories */
2959 RETPUSHYES; /* null file is anything */
2964 /* now scan s to look for textiness */
2965 /* XXX ASCII dependent code */
2967 for (i = 0; i < len; i++, s++) {
2968 if (!*s) { /* null never allowed in text */
2973 else if (!(isPRINT(*s) || isSPACE(*s)))
2979 *s != '\n' && *s != '\r' && *s != '\b' &&
2980 *s != '\t' && *s != '\f' && *s != 27)
2985 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2993 return pp_fttext(ARGS);
3009 if (!tmps || !*tmps) {
3010 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3012 tmps = SvPV(*svp, n_a);
3014 if (!tmps || !*tmps) {
3015 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3017 tmps = SvPV(*svp, n_a);
3020 if (!tmps || !*tmps) {
3021 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3023 tmps = SvPV(*svp, n_a);
3026 TAINT_PROPER("chdir");
3027 PUSHi( PerlDir_chdir(tmps) >= 0 );
3029 /* Clear the DEFAULT element of ENV so we'll get the new value
3031 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3038 djSP; dMARK; dTARGET;
3041 value = (I32)apply(PL_op->op_type, MARK, SP);
3046 DIE(PL_no_func, "Unsupported function chown");
3057 TAINT_PROPER("chroot");
3058 PUSHi( chroot(tmps) >= 0 );
3061 DIE(PL_no_func, "chroot");
3067 djSP; dMARK; dTARGET;
3069 value = (I32)apply(PL_op->op_type, MARK, SP);
3077 djSP; dMARK; dTARGET;
3079 value = (I32)apply(PL_op->op_type, MARK, SP);
3087 djSP; dMARK; dTARGET;
3089 value = (I32)apply(PL_op->op_type, MARK, SP);
3101 char *tmps2 = POPpx;
3102 char *tmps = SvPV(TOPs, n_a);
3103 TAINT_PROPER("rename");
3105 anum = PerlLIO_rename(tmps, tmps2);
3107 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3108 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3111 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3112 (void)UNLINK(tmps2);
3113 if (!(anum = link(tmps, tmps2)))
3114 anum = UNLINK(tmps);
3127 char *tmps2 = POPpx;
3128 char *tmps = SvPV(TOPs, n_a);
3129 TAINT_PROPER("link");
3130 SETi( link(tmps, tmps2) >= 0 );
3132 DIE(PL_no_func, "Unsupported function link");
3142 char *tmps2 = POPpx;
3143 char *tmps = SvPV(TOPs, n_a);
3144 TAINT_PROPER("symlink");
3145 SETi( symlink(tmps, tmps2) >= 0 );
3148 DIE(PL_no_func, "symlink");
3157 char buf[MAXPATHLEN];
3161 #ifndef INCOMPLETE_TAINTS
3165 len = readlink(tmps, buf, sizeof buf);
3173 RETSETUNDEF; /* just pretend it's a normal file */
3177 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3179 dooneliner(cmd, filename)
3183 char *save_filename = filename;
3189 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3190 strcpy(cmdline, cmd);
3191 strcat(cmdline, " ");
3192 for (s = cmdline + strlen(cmdline); *filename; ) {
3197 myfp = PerlProc_popen(cmdline, "r");
3201 SV *tmpsv = sv_newmortal();
3202 /* Need to save/restore 'PL_rs' ?? */
3203 s = sv_gets(tmpsv, myfp, 0);
3204 (void)PerlProc_pclose(myfp);
3208 #ifdef HAS_SYS_ERRLIST
3213 /* you don't see this */
3215 #ifdef HAS_SYS_ERRLIST
3223 if (instr(s, errmsg)) {
3230 #define EACCES EPERM
3232 if (instr(s, "cannot make"))
3233 SETERRNO(EEXIST,RMS$_FEX);
3234 else if (instr(s, "existing file"))
3235 SETERRNO(EEXIST,RMS$_FEX);
3236 else if (instr(s, "ile exists"))
3237 SETERRNO(EEXIST,RMS$_FEX);
3238 else if (instr(s, "non-exist"))
3239 SETERRNO(ENOENT,RMS$_FNF);
3240 else if (instr(s, "does not exist"))
3241 SETERRNO(ENOENT,RMS$_FNF);
3242 else if (instr(s, "not empty"))
3243 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3244 else if (instr(s, "cannot access"))
3245 SETERRNO(EACCES,RMS$_PRV);
3247 SETERRNO(EPERM,RMS$_PRV);
3250 else { /* some mkdirs return no failure indication */
3251 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3252 if (PL_op->op_type == OP_RMDIR)
3257 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3274 char *tmps = SvPV(TOPs, n_a);
3276 TAINT_PROPER("mkdir");
3278 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3280 SETi( dooneliner("mkdir", tmps) );
3281 oldumask = PerlLIO_umask(0);
3282 PerlLIO_umask(oldumask);
3283 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3295 TAINT_PROPER("rmdir");
3297 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3299 XPUSHi( dooneliner("rmdir", tmps) );
3304 /* Directory calls. */
3309 #if defined(Direntry_t) && defined(HAS_READDIR)
3311 char *dirname = POPpx;
3313 register IO *io = GvIOn(gv);
3319 PerlDir_close(IoDIRP(io));
3320 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3326 SETERRNO(EBADF,RMS$_DIR);
3329 DIE(PL_no_dir_func, "opendir");
3336 #if defined(Direntry_t) && defined(HAS_READDIR)
3338 Direntry_t *readdir _((DIR *));
3340 register Direntry_t *dp;
3342 register IO *io = GvIOn(gv);
3345 if (!io || !IoDIRP(io))
3348 if (GIMME == G_ARRAY) {
3350 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3352 sv = newSVpvn(dp->d_name, dp->d_namlen);
3354 sv = newSVpv(dp->d_name, 0);
3356 #ifndef INCOMPLETE_TAINTS
3359 XPUSHs(sv_2mortal(sv));
3363 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3366 sv = newSVpvn(dp->d_name, dp->d_namlen);
3368 sv = newSVpv(dp->d_name, 0);
3370 #ifndef INCOMPLETE_TAINTS
3373 XPUSHs(sv_2mortal(sv));
3379 SETERRNO(EBADF,RMS$_ISI);
3380 if (GIMME == G_ARRAY)
3385 DIE(PL_no_dir_func, "readdir");
3392 #if defined(HAS_TELLDIR) || defined(telldir)
3393 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3394 /* XXX netbsd still seemed to.
3395 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3396 --JHI 1999-Feb-02 */
3397 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3398 long telldir _((DIR *));
3401 register IO *io = GvIOn(gv);
3403 if (!io || !IoDIRP(io))
3406 PUSHi( PerlDir_tell(IoDIRP(io)) );
3410 SETERRNO(EBADF,RMS$_ISI);
3413 DIE(PL_no_dir_func, "telldir");
3420 #if defined(HAS_SEEKDIR) || defined(seekdir)
3423 register IO *io = GvIOn(gv);
3425 if (!io || !IoDIRP(io))
3428 (void)PerlDir_seek(IoDIRP(io), along);
3433 SETERRNO(EBADF,RMS$_ISI);
3436 DIE(PL_no_dir_func, "seekdir");
3443 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3445 register IO *io = GvIOn(gv);
3447 if (!io || !IoDIRP(io))
3450 (void)PerlDir_rewind(IoDIRP(io));
3454 SETERRNO(EBADF,RMS$_ISI);
3457 DIE(PL_no_dir_func, "rewinddir");
3464 #if defined(Direntry_t) && defined(HAS_READDIR)
3466 register IO *io = GvIOn(gv);
3468 if (!io || !IoDIRP(io))
3471 #ifdef VOID_CLOSEDIR
3472 PerlDir_close(IoDIRP(io));
3474 if (PerlDir_close(IoDIRP(io)) < 0) {
3475 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3484 SETERRNO(EBADF,RMS$_IFI);
3487 DIE(PL_no_dir_func, "closedir");
3491 /* Process control. */
3501 PERL_FLUSHALL_FOR_CHILD;
3507 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3508 sv_setiv(GvSV(tmpgv), (IV)getpid());
3509 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3514 DIE(PL_no_func, "Unsupported function fork");
3520 #if !defined(DOSISH) || defined(OS2) || defined(WIN32) || defined(CYGWIN32)
3525 childpid = wait4pid(-1, &argflags, 0);
3526 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3530 DIE(PL_no_func, "Unsupported function wait");
3536 #if !defined(DOSISH) || defined(OS2) || defined(WIN32) || defined(CYGWIN32)
3544 childpid = wait4pid(childpid, &argflags, optype);
3545 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3549 DIE(PL_no_func, "Unsupported function waitpid");
3555 djSP; dMARK; dORIGMARK; dTARGET;
3560 Sigsave_t ihand,qhand; /* place to save signals during system() */
3563 if (SP - MARK == 1) {
3565 char *junk = SvPV(TOPs, n_a);
3567 TAINT_PROPER("system");
3570 PERL_FLUSHALL_FOR_CHILD;
3571 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3572 while ((childpid = vfork()) == -1) {
3573 if (errno != EAGAIN) {
3582 rsignal_save(SIGINT, SIG_IGN, &ihand);
3583 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3585 result = wait4pid(childpid, &status, 0);
3586 } while (result == -1 && errno == EINTR);
3587 (void)rsignal_restore(SIGINT, &ihand);
3588 (void)rsignal_restore(SIGQUIT, &qhand);
3589 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3590 do_execfree(); /* free any memory child malloced on vfork */
3592 PUSHi(STATUS_CURRENT);
3595 if (PL_op->op_flags & OPf_STACKED) {
3596 SV *really = *++MARK;
3597 value = (I32)do_aexec(really, MARK, SP);
3599 else if (SP - MARK != 1)
3600 value = (I32)do_aexec(Nullsv, MARK, SP);
3602 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3605 #else /* ! FORK or VMS or OS/2 */
3606 if (PL_op->op_flags & OPf_STACKED) {
3607 SV *really = *++MARK;
3608 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3610 else if (SP - MARK != 1)
3611 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3613 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3615 STATUS_NATIVE_SET(value);
3618 PUSHi(STATUS_CURRENT);
3619 #endif /* !FORK or VMS */
3625 djSP; dMARK; dORIGMARK; dTARGET;
3629 PERL_FLUSHALL_FOR_CHILD;
3630 if (PL_op->op_flags & OPf_STACKED) {
3631 SV *really = *++MARK;
3632 value = (I32)do_aexec(really, MARK, SP);
3634 else if (SP - MARK != 1)
3636 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3640 (void ) do_aspawn(Nullsv, MARK, SP);
3644 value = (I32)do_aexec(Nullsv, MARK, SP);
3649 char *junk = SvPV(*SP, n_a);
3651 TAINT_PROPER("exec");
3654 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3657 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3660 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3671 djSP; dMARK; dTARGET;
3674 value = (I32)apply(PL_op->op_type, MARK, SP);
3679 DIE(PL_no_func, "Unsupported function kill");
3687 XPUSHi( getppid() );
3690 DIE(PL_no_func, "getppid");
3706 value = (I32)BSD_GETPGRP(pid);
3708 if (pid != 0 && pid != getpid())
3709 DIE("POSIX getpgrp can't take an argument");
3710 value = (I32)getpgrp();
3715 DIE(PL_no_func, "getpgrp()");
3734 TAINT_PROPER("setpgrp");
3736 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3738 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3739 DIE("POSIX setpgrp can't take an argument");
3740 SETi( setpgrp() >= 0 );
3741 #endif /* USE_BSDPGRP */
3744 DIE(PL_no_func, "setpgrp()");
3753 #ifdef HAS_GETPRIORITY
3756 SETi( getpriority(which, who) );
3759 DIE(PL_no_func, "getpriority()");
3769 #ifdef HAS_SETPRIORITY
3773 TAINT_PROPER("setpriority");
3774 SETi( setpriority(which, who, niceval) >= 0 );
3777 DIE(PL_no_func, "setpriority()");
3787 XPUSHn( time(Null(Time_t*)) );
3789 XPUSHi( time(Null(Time_t*)) );
3794 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3795 to HZ. Probably. For now, assume that if the system
3796 defines HZ, it does so correctly. (Will this break
3798 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3799 it's supported. --AD 9/96.
3815 DIE("times not implemented");
3820 (void)PerlProc_times(&PL_timesbuf);
3822 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3823 /* struct tms, though same data */
3827 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_utime)/HZ)));
3828 if (GIMME == G_ARRAY) {
3829 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_stime)/HZ)));
3830 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cutime)/HZ)));
3831 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cstime)/HZ)));
3834 #endif /* HAS_TIMES */
3839 return pp_gmtime(ARGS);
3847 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3848 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3849 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3855 when = (Time_t)SvNVx(POPs);
3857 when = (Time_t)SvIVx(POPs);
3860 if (PL_op->op_type == OP_LOCALTIME)
3861 tmbuf = localtime(&when);
3863 tmbuf = gmtime(&when);
3867 if (GIMME != G_ARRAY) {
3872 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3873 dayname[tmbuf->tm_wday],
3874 monname[tmbuf->tm_mon],
3879 tmbuf->tm_year + 1900);
3880 PUSHs(sv_2mortal(tsv));
3883 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3884 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3885 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3886 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3887 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3888 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3889 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3890 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3891 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3902 anum = alarm((unsigned int)anum);
3909 DIE(PL_no_func, "Unsupported function alarm");
3920 (void)time(&lasttime);
3925 PerlProc_sleep((unsigned int)duration);
3928 XPUSHi(when - lasttime);
3932 /* Shared memory. */
3936 return pp_semget(ARGS);
3941 return pp_semctl(ARGS);
3946 return pp_shmwrite(ARGS);
3951 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3952 djSP; dMARK; dTARGET;
3953 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
3958 return pp_semget(ARGS);
3962 /* Message passing. */
3966 return pp_semget(ARGS);
3971 return pp_semctl(ARGS);
3976 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3977 djSP; dMARK; dTARGET;
3978 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3983 return pp_semget(ARGS);
3989 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3990 djSP; dMARK; dTARGET;
3991 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3996 return pp_semget(ARGS);
4004 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4005 djSP; dMARK; dTARGET;
4006 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4013 DIE("System V IPC is not implemented on this machine");
4019 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4020 djSP; dMARK; dTARGET;
4021 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4029 PUSHp(zero_but_true, ZBTLEN);
4033 return pp_semget(ARGS);
4039 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4040 djSP; dMARK; dTARGET;
4041 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4046 return pp_semget(ARGS);
4050 /* Get system info. */
4054 #ifdef HAS_GETHOSTBYNAME
4055 return pp_ghostent(ARGS);
4057 DIE(PL_no_sock_func, "gethostbyname");
4063 #ifdef HAS_GETHOSTBYADDR
4064 return pp_ghostent(ARGS);
4066 DIE(PL_no_sock_func, "gethostbyaddr");
4073 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4074 I32 which = PL_op->op_type;
4075 register char **elem;
4077 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4078 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4079 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4080 struct hostent *PerlSock_gethostent(void);
4082 struct hostent *hent;
4087 if (which == OP_GHBYNAME)
4088 #ifdef HAS_GETHOSTBYNAME
4089 hent = PerlSock_gethostbyname(POPpx);
4091 DIE(PL_no_sock_func, "gethostbyname");
4093 else if (which == OP_GHBYADDR) {
4094 #ifdef HAS_GETHOSTBYADDR
4095 int addrtype = POPi;
4098 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4100 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4102 DIE(PL_no_sock_func, "gethostbyaddr");
4106 #ifdef HAS_GETHOSTENT
4107 hent = PerlSock_gethostent();
4109 DIE(PL_no_sock_func, "gethostent");
4112 #ifdef HOST_NOT_FOUND
4114 STATUS_NATIVE_SET(h_errno);
4117 if (GIMME != G_ARRAY) {
4118 PUSHs(sv = sv_newmortal());
4120 if (which == OP_GHBYNAME) {
4122 sv_setpvn(sv, hent->h_addr, hent->h_length);
4125 sv_setpv(sv, (char*)hent->h_name);
4131 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4132 sv_setpv(sv, (char*)hent->h_name);
4133 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4134 for (elem = hent->h_aliases; elem && *elem; elem++) {
4135 sv_catpv(sv, *elem);
4137 sv_catpvn(sv, " ", 1);
4139 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4140 sv_setiv(sv, (IV)hent->h_addrtype);
4141 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4142 len = hent->h_length;
4143 sv_setiv(sv, (IV)len);
4145 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4146 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4147 sv_setpvn(sv, *elem, len);
4150 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4152 sv_setpvn(sv, hent->h_addr, len);
4157 DIE(PL_no_sock_func, "gethostent");
4163 #ifdef HAS_GETNETBYNAME
4164 return pp_gnetent(ARGS);
4166 DIE(PL_no_sock_func, "getnetbyname");
4172 #ifdef HAS_GETNETBYADDR
4173 return pp_gnetent(ARGS);
4175 DIE(PL_no_sock_func, "getnetbyaddr");
4182 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4183 I32 which = PL_op->op_type;
4184 register char **elem;
4186 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4187 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4188 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4189 struct netent *PerlSock_getnetent(void);
4191 struct netent *nent;
4194 if (which == OP_GNBYNAME)
4195 #ifdef HAS_GETNETBYNAME
4196 nent = PerlSock_getnetbyname(POPpx);
4198 DIE(PL_no_sock_func, "getnetbyname");
4200 else if (which == OP_GNBYADDR) {
4201 #ifdef HAS_GETNETBYADDR
4202 int addrtype = POPi;
4203 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4204 nent = PerlSock_getnetbyaddr(addr, addrtype);
4206 DIE(PL_no_sock_func, "getnetbyaddr");
4210 #ifdef HAS_GETNETENT
4211 nent = PerlSock_getnetent();
4213 DIE(PL_no_sock_func, "getnetent");
4217 if (GIMME != G_ARRAY) {
4218 PUSHs(sv = sv_newmortal());
4220 if (which == OP_GNBYNAME)
4221 sv_setiv(sv, (IV)nent->n_net);
4223 sv_setpv(sv, nent->n_name);
4229 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4230 sv_setpv(sv, nent->n_name);
4231 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4232 for (elem = nent->n_aliases; elem && *elem; elem++) {
4233 sv_catpv(sv, *elem);
4235 sv_catpvn(sv, " ", 1);
4237 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4238 sv_setiv(sv, (IV)nent->n_addrtype);
4239 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4240 sv_setiv(sv, (IV)nent->n_net);
4245 DIE(PL_no_sock_func, "getnetent");
4251 #ifdef HAS_GETPROTOBYNAME
4252 return pp_gprotoent(ARGS);
4254 DIE(PL_no_sock_func, "getprotobyname");
4260 #ifdef HAS_GETPROTOBYNUMBER
4261 return pp_gprotoent(ARGS);
4263 DIE(PL_no_sock_func, "getprotobynumber");
4270 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4271 I32 which = PL_op->op_type;
4272 register char **elem;
4274 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4275 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4276 struct protoent *PerlSock_getprotobynumber(int);
4277 struct protoent *PerlSock_getprotoent(void);
4279 struct protoent *pent;
4282 if (which == OP_GPBYNAME)
4283 #ifdef HAS_GETPROTOBYNAME
4284 pent = PerlSock_getprotobyname(POPpx);
4286 DIE(PL_no_sock_func, "getprotobyname");
4288 else if (which == OP_GPBYNUMBER)
4289 #ifdef HAS_GETPROTOBYNUMBER
4290 pent = PerlSock_getprotobynumber(POPi);
4292 DIE(PL_no_sock_func, "getprotobynumber");
4295 #ifdef HAS_GETPROTOENT
4296 pent = PerlSock_getprotoent();
4298 DIE(PL_no_sock_func, "getprotoent");
4302 if (GIMME != G_ARRAY) {
4303 PUSHs(sv = sv_newmortal());
4305 if (which == OP_GPBYNAME)
4306 sv_setiv(sv, (IV)pent->p_proto);
4308 sv_setpv(sv, pent->p_name);
4314 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4315 sv_setpv(sv, pent->p_name);
4316 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4317 for (elem = pent->p_aliases; elem && *elem; elem++) {
4318 sv_catpv(sv, *elem);
4320 sv_catpvn(sv, " ", 1);
4322 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4323 sv_setiv(sv, (IV)pent->p_proto);
4328 DIE(PL_no_sock_func, "getprotoent");
4334 #ifdef HAS_GETSERVBYNAME
4335 return pp_gservent(ARGS);
4337 DIE(PL_no_sock_func, "getservbyname");
4343 #ifdef HAS_GETSERVBYPORT
4344 return pp_gservent(ARGS);
4346 DIE(PL_no_sock_func, "getservbyport");
4353 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4354 I32 which = PL_op->op_type;
4355 register char **elem;
4357 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4358 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4359 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4360 struct servent *PerlSock_getservent(void);
4362 struct servent *sent;
4365 if (which == OP_GSBYNAME) {
4366 #ifdef HAS_GETSERVBYNAME
4367 char *proto = POPpx;
4370 if (proto && !*proto)
4373 sent = PerlSock_getservbyname(name, proto);
4375 DIE(PL_no_sock_func, "getservbyname");
4378 else if (which == OP_GSBYPORT) {
4379 #ifdef HAS_GETSERVBYPORT
4380 char *proto = POPpx;
4381 unsigned short port = POPu;
4384 port = PerlSock_htons(port);
4386 sent = PerlSock_getservbyport(port, proto);
4388 DIE(PL_no_sock_func, "getservbyport");
4392 #ifdef HAS_GETSERVENT
4393 sent = PerlSock_getservent();
4395 DIE(PL_no_sock_func, "getservent");
4399 if (GIMME != G_ARRAY) {
4400 PUSHs(sv = sv_newmortal());
4402 if (which == OP_GSBYNAME) {
4404 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4406 sv_setiv(sv, (IV)(sent->s_port));
4410 sv_setpv(sv, sent->s_name);
4416 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4417 sv_setpv(sv, sent->s_name);
4418 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4419 for (elem = sent->s_aliases; elem && *elem; elem++) {
4420 sv_catpv(sv, *elem);
4422 sv_catpvn(sv, " ", 1);
4424 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4426 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4428 sv_setiv(sv, (IV)(sent->s_port));
4430 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4431 sv_setpv(sv, sent->s_proto);
4436 DIE(PL_no_sock_func, "getservent");
4443 #ifdef HAS_SETHOSTENT
4444 PerlSock_sethostent(TOPi);
4447 DIE(PL_no_sock_func, "sethostent");
4454 #ifdef HAS_SETNETENT
4455 PerlSock_setnetent(TOPi);
4458 DIE(PL_no_sock_func, "setnetent");
4465 #ifdef HAS_SETPROTOENT
4466 PerlSock_setprotoent(TOPi);
4469 DIE(PL_no_sock_func, "setprotoent");
4476 #ifdef HAS_SETSERVENT
4477 PerlSock_setservent(TOPi);
4480 DIE(PL_no_sock_func, "setservent");
4487 #ifdef HAS_ENDHOSTENT
4488 PerlSock_endhostent();
4492 DIE(PL_no_sock_func, "endhostent");
4499 #ifdef HAS_ENDNETENT
4500 PerlSock_endnetent();
4504 DIE(PL_no_sock_func, "endnetent");
4511 #ifdef HAS_ENDPROTOENT
4512 PerlSock_endprotoent();
4516 DIE(PL_no_sock_func, "endprotoent");
4523 #ifdef HAS_ENDSERVENT
4524 PerlSock_endservent();
4528 DIE(PL_no_sock_func, "endservent");
4535 return pp_gpwent(ARGS);
4537 DIE(PL_no_func, "getpwnam");
4544 return pp_gpwent(ARGS);
4546 DIE(PL_no_func, "getpwuid");
4553 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4554 I32 which = PL_op->op_type;
4556 struct passwd *pwent;
4559 struct spwd *spwent;
4562 if (which == OP_GPWNAM)
4563 pwent = getpwnam(POPpx);
4564 else if (which == OP_GPWUID)
4565 pwent = getpwuid(POPi);
4567 pwent = (struct passwd *)getpwent();
4570 if (which == OP_GPWNAM)
4571 spwent = getspnam(pwent->pw_name);
4572 # ifdef HAS_GETSPUID /* AFAIK there isn't any anywhere. --jhi */
4573 else if (which == OP_GPWUID)
4574 spwent = getspnam(pwent->pw_name);
4577 spwent = (struct spwd *)getspent();
4581 if (GIMME != G_ARRAY) {
4582 PUSHs(sv = sv_newmortal());
4584 if (which == OP_GPWNAM)
4585 sv_setiv(sv, (IV)pwent->pw_uid);
4587 sv_setpv(sv, pwent->pw_name);
4593 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4594 sv_setpv(sv, pwent->pw_name);
4596 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4598 # ifdef HAS_GETSPENT
4600 sv_setpv(sv, spwent->sp_pwdp);
4602 sv_setpv(sv, pwent->pw_passwd);
4604 sv_setpv(sv, pwent->pw_passwd);
4608 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4609 sv_setiv(sv, (IV)pwent->pw_uid);
4611 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4612 sv_setiv(sv, (IV)pwent->pw_gid);
4614 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4615 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4617 sv_setiv(sv, (IV)pwent->pw_change);
4620 sv_setiv(sv, (IV)pwent->pw_quota);
4623 sv_setpv(sv, pwent->pw_age);
4628 /* pw_class and pw_comment are mutually exclusive. */
4629 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4631 sv_setpv(sv, pwent->pw_class);
4634 sv_setpv(sv, pwent->pw_comment);
4638 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4640 sv_setpv(sv, pwent->pw_gecos);
4642 #ifndef INCOMPLETE_TAINTS
4643 /* pw_gecos is tainted because user himself can diddle with it. */
4647 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4648 sv_setpv(sv, pwent->pw_dir);
4650 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4651 sv_setpv(sv, pwent->pw_shell);
4654 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4655 sv_setiv(sv, (IV)pwent->pw_expire);
4660 DIE(PL_no_func, "getpwent");
4667 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) && !defined(CYGWIN32)
4669 # ifdef HAS_SETSPENT
4674 DIE(PL_no_func, "setpwent");
4681 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4683 # ifdef HAS_ENDSPENT
4688 DIE(PL_no_func, "endpwent");
4695 return pp_ggrent(ARGS);
4697 DIE(PL_no_func, "getgrnam");
4704 return pp_ggrent(ARGS);
4706 DIE(PL_no_func, "getgrgid");
4713 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4714 I32 which = PL_op->op_type;
4715 register char **elem;
4717 struct group *grent;
4720 if (which == OP_GGRNAM)
4721 grent = (struct group *)getgrnam(POPpx);
4722 else if (which == OP_GGRGID)
4723 grent = (struct group *)getgrgid(POPi);
4725 grent = (struct group *)getgrent();
4728 if (GIMME != G_ARRAY) {
4729 PUSHs(sv = sv_newmortal());
4731 if (which == OP_GGRNAM)
4732 sv_setiv(sv, (IV)grent->gr_gid);
4734 sv_setpv(sv, grent->gr_name);
4740 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4741 sv_setpv(sv, grent->gr_name);
4743 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4745 sv_setpv(sv, grent->gr_passwd);
4748 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4749 sv_setiv(sv, (IV)grent->gr_gid);
4751 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4752 for (elem = grent->gr_mem; elem && *elem; elem++) {
4753 sv_catpv(sv, *elem);
4755 sv_catpvn(sv, " ", 1);
4761 DIE(PL_no_func, "getgrent");
4768 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4772 DIE(PL_no_func, "setgrent");
4779 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4783 DIE(PL_no_func, "endgrent");
4793 if (!(tmps = PerlProc_getlogin()))
4795 PUSHp(tmps, strlen(tmps));
4798 DIE(PL_no_func, "getlogin");
4802 /* Miscellaneous. */
4807 djSP; dMARK; dORIGMARK; dTARGET;
4808 register I32 items = SP - MARK;
4809 unsigned long a[20];
4816 while (++MARK <= SP) {
4817 if (SvTAINTED(*MARK)) {
4823 TAINT_PROPER("syscall");
4826 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4827 * or where sizeof(long) != sizeof(char*). But such machines will
4828 * not likely have syscall implemented either, so who cares?
4830 while (++MARK <= SP) {
4831 if (SvNIOK(*MARK) || !i)
4832 a[i++] = SvIV(*MARK);
4833 else if (*MARK == &PL_sv_undef)
4836 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
4842 DIE("Too many args to syscall");
4844 DIE("Too few args to syscall");
4846 retval = syscall(a[0]);
4849 retval = syscall(a[0],a[1]);
4852 retval = syscall(a[0],a[1],a[2]);
4855 retval = syscall(a[0],a[1],a[2],a[3]);
4858 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4861 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4864 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4867 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4871 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4874 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4877 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4881 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4885 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4889 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4890 a[10],a[11],a[12],a[13]);
4892 #endif /* atarist */
4898 DIE(PL_no_func, "syscall");
4902 #ifdef FCNTL_EMULATE_FLOCK
4904 /* XXX Emulate flock() with fcntl().
4905 What's really needed is a good file locking module.
4909 fcntl_emulate_flock(int fd, int operation)
4913 switch (operation & ~LOCK_NB) {
4915 flock.l_type = F_RDLCK;
4918 flock.l_type = F_WRLCK;
4921 flock.l_type = F_UNLCK;
4927 flock.l_whence = SEEK_SET;
4928 flock.l_start = flock.l_len = 0L;
4930 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4933 #endif /* FCNTL_EMULATE_FLOCK */
4935 #ifdef LOCKF_EMULATE_FLOCK
4937 /* XXX Emulate flock() with lockf(). This is just to increase
4938 portability of scripts. The calls are not completely
4939 interchangeable. What's really needed is a good file
4943 /* The lockf() constants might have been defined in <unistd.h>.
4944 Unfortunately, <unistd.h> causes troubles on some mixed
4945 (BSD/POSIX) systems, such as SunOS 4.1.3.
4947 Further, the lockf() constants aren't POSIX, so they might not be
4948 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4949 just stick in the SVID values and be done with it. Sigh.
4953 # define F_ULOCK 0 /* Unlock a previously locked region */
4956 # define F_LOCK 1 /* Lock a region for exclusive use */
4959 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4962 # define F_TEST 3 /* Test a region for other processes locks */
4966 lockf_emulate_flock (fd, operation)
4974 /* flock locks entire file so for lockf we need to do the same */
4976 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4977 if (pos > 0) /* is seekable and needs to be repositioned */
4978 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
4979 pos = -1; /* seek failed, so don't seek back afterwards */
4982 switch (operation) {
4984 /* LOCK_SH - get a shared lock */
4986 /* LOCK_EX - get an exclusive lock */
4988 i = lockf (fd, F_LOCK, 0);
4991 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4992 case LOCK_SH|LOCK_NB:
4993 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4994 case LOCK_EX|LOCK_NB:
4995 i = lockf (fd, F_TLOCK, 0);
4997 if ((errno == EAGAIN) || (errno == EACCES))
4998 errno = EWOULDBLOCK;
5001 /* LOCK_UN - unlock (non-blocking is a no-op) */
5003 case LOCK_UN|LOCK_NB:
5004 i = lockf (fd, F_ULOCK, 0);
5007 /* Default - can't decipher operation */
5014 if (pos > 0) /* need to restore position of the handle */
5015 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5020 #endif /* LOCKF_EMULATE_FLOCK */