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.
20 /* XXX If this causes problems, set i_unistd=undef in the hint file. */
27 extern "C" int syscall(unsigned long,...);
32 # include <sys/wait.h>
36 # include <sys/resource.h>
39 #if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
40 # include <sys/socket.h>
46 # include <net/errno.h>
53 #include <sys/select.h>
57 /* XXX Configure test needed.
58 h_errno might not be a simple 'int', especially for multi-threaded
59 applications, see "extern int errno in perl.h". Creating such
60 a test requires taking into account the differences between
61 compiling multithreaded and singlethreaded ($ccflags et al).
62 HOST_NOT_FOUND is typically defined in <netdb.h>.
64 #if defined(HOST_NOT_FOUND) && !defined(h_errno)
72 struct passwd *getpwnam _((char *));
73 struct passwd *getpwuid _((Uid_t));
76 struct passwd *getpwent _((void));
84 struct group *getgrnam _((char *));
85 struct group *getgrgid _((Gid_t));
88 struct group *getgrent _((void));
93 # if defined(_MSC_VER) || defined(__MINGW32__)
94 # include <sys/utime.h>
103 #include <sys/file.h>
106 /* Put this after #includes because fork and vfork prototypes may conflict. */
111 /* Put this after #includes because <unistd.h> defines _XOPEN_*. */
113 # if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
114 # define Sock_size_t Size_t
116 # define Sock_size_t int
120 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
121 static int dooneliner _((char *cmd, char *filename));
125 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
128 # define my_chsize PerlLIO_chsize
133 #else /* no flock() */
135 /* fcntl.h might not have been included, even if it exists, because
136 the current Configure only sets I_FCNTL if it's needed to pick up
137 the *_OK constants. Make sure it has been included before testing
138 the fcntl() locking constants. */
139 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
143 # if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
144 # define FLOCK fcntl_emulate_flock
145 # define FCNTL_EMULATE_FLOCK
146 # else /* no flock() or fcntl(F_SETLK,...) */
148 # define FLOCK lockf_emulate_flock
149 # define LOCKF_EMULATE_FLOCK
151 # endif /* no flock() or fcntl(F_SETLK,...) */
154 static int FLOCK _((int, int));
157 * These are the flock() constants. Since this sytems doesn't have
158 * flock(), the values of the constants are probably not available.
172 # endif /* emulating flock() */
174 #endif /* no flock() */
177 static char zero_but_true[ZBTLEN + 1] = "0 but true";
179 #if defined(I_SYS_ACCESS) && !defined(R_OK)
180 # include <sys/access.h>
183 #undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */
184 #undef PERL_EFF_ACCESS_W_OK
185 #undef PERL_EFF_ACCESS_X_OK
187 /* F_OK unused: if stat() cannot find it... */
189 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
190 /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */
191 # define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK))
192 # define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK))
193 # define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK))
196 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS)
197 # if defined(I_SYS_SECURITY)
198 # include <sys/security.h>
200 /* XXX Configure test needed for eaccess */
203 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF))
204 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF))
205 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF))
208 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK))
209 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK))
210 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK))
214 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF)
216 # define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF))
217 # define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF))
218 # define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF))
221 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \
222 && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \
223 || defined(HAS_SETREGID) || defined(HAS_SETRESGID))
226 emulate_eaccess (const char* path, int mode) {
227 Uid_t ruid = getuid();
228 Uid_t euid = geteuid();
229 Gid_t rgid = getgid();
230 Gid_t egid = getegid();
233 MUTEX_LOCK(&PL_cred_mutex);
234 #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
235 croak("switching effective uid is not implemented");
238 if (setreuid(euid, ruid))
241 if (setresuid(euid, ruid, (Uid_t)-1))
244 croak("entering effective uid failed");
247 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
248 croak("switching effective gid is not implemented");
251 if (setregid(egid, rgid))
254 if (setresgid(egid, rgid, (Gid_t)-1))
257 croak("entering effective gid failed");
260 res = access(path, mode);
263 if (setreuid(ruid, euid))
266 if (setresuid(ruid, euid, (Uid_t)-1))
269 croak("leaving effective uid failed");
272 if (setregid(rgid, egid))
275 if (setresgid(rgid, egid, (Gid_t)-1))
278 croak("leaving effective gid failed");
279 MUTEX_UNLOCK(&PL_cred_mutex);
283 # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
284 # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
285 # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
288 #if !defined(PERL_EFF_ACCESS_R_OK)
290 emulate_eaccess (const char* path, int mode) {
291 croak("switching effective uid is not implemented");
306 fp = PerlProc_popen(tmps, "r");
308 if (gimme == G_VOID) {
310 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
314 else if (gimme == G_SCALAR) {
315 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
316 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
327 if (sv_gets(sv, fp, 0) == Nullch) {
331 XPUSHs(sv_2mortal(sv));
332 if (SvLEN(sv) - SvCUR(sv) > 20) {
333 SvLEN_set(sv, SvCUR(sv)+1);
334 Renew(SvPVX(sv), SvLEN(sv), char);
339 STATUS_NATIVE_SET(PerlProc_pclose(fp));
340 TAINT; /* "I believe that this is not gratuitous!" */
343 STATUS_NATIVE_SET(-1);
344 if (gimme == G_SCALAR)
354 tryAMAGICunTARGET(iter, -1);
361 * The external globbing program may use things we can't control,
362 * so for security reasons we must assume the worst.
365 taint_proper(PL_no_security, "glob");
369 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
370 PL_last_in_gv = (GV*)*PL_stack_sp--;
372 SAVESPTR(PL_rs); /* This is not permanent, either. */
373 PL_rs = sv_2mortal(newSVpvn("\000", 1));
376 *SvPVX(PL_rs) = '\n';
380 result = do_readline();
385 #if 0 /* XXX never used! */
389 PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), n_a), TRUE,SVt_PVIO);
390 return do_readline();
396 PL_last_in_gv = cGVOP->op_gv;
397 return do_readline();
406 if (SP - MARK != 1) {
408 do_join(TARG, &PL_sv_no, MARK, SP);
415 tmps = SvPV(tmpsv, len);
418 (void)SvUPGRADE(error, SVt_PV);
419 if (SvPOK(error) && SvCUR(error))
420 sv_catpv(error, "\t...caught");
422 tmps = SvPV(tmpsv, len);
425 tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26));
438 if (SP - MARK != 1) {
440 do_join(TARG, &PL_sv_no, MARK, SP);
442 tmps = SvPV(tmpsv, len);
448 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, len);
452 (void)SvUPGRADE(error, SVt_PV);
453 if (multiarg ? SvROK(error) : SvROK(tmpsv)) {
455 SvSetSV(error,tmpsv);
456 else if (sv_isobject(error)) {
457 HV *stash = SvSTASH(SvRV(error));
458 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
460 SV *file = sv_2mortal(newSVsv(GvSV(PL_curcop->cop_filegv)));
461 SV *line = sv_2mortal(newSViv(PL_curcop->cop_line));
468 perl_call_sv((SV*)GvCV(gv),
469 G_SCALAR|G_EVAL|G_KEEPERR);
470 sv_setsv(error,*PL_stack_sp--);
476 if (SvPOK(error) && SvCUR(error))
477 sv_catpv(error, "\t...propagated");
479 tmps = SvPV(tmpsv, len);
483 tmpsv = sv_2mortal(newSVpvn("Died", 4));
502 DIE(PL_no_usym, "filehandle");
507 DIE(PL_no_usym, "filehandle");
509 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
511 #if 0 /* no undef means tmpfile() yet */
512 if (sv == &PL_sv_undef) {
514 PerlIO *fp = PerlIO_tmpfile();
516 PerlIO *fp = tmpfile();
518 if (fp != Nullfp && do_open(gv, "+>&", 3, FALSE, 0, 0, fp))
519 PUSHi( (I32)PL_forkprocess );
524 #endif /* no undef means tmpfile() yet */
527 if (mg = SvTIED_mg((SV*)gv, 'q')) {
529 XPUSHs(SvTIED_obj((SV*)gv, mg));
533 perl_call_method("OPEN", G_SCALAR);
539 tmps = SvPV(sv, len);
540 if (do_open(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp))
541 PUSHi( (I32)PL_forkprocess );
542 else if (PL_forkprocess == 0) /* we are a new child */
560 if (mg = SvTIED_mg((SV*)gv, 'q')) {
562 XPUSHs(SvTIED_obj((SV*)gv, mg));
565 perl_call_method("CLOSE", G_SCALAR);
571 PUSHs(boolSV(do_close(gv, TRUE)));
591 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
592 DIE(PL_no_usym, "filehandle");
597 do_close(rgv, FALSE);
599 do_close(wgv, FALSE);
601 if (PerlProc_pipe(fd) < 0)
604 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
605 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
606 IoIFP(wstio) = IoOFP(wstio);
610 if (!IoIFP(rstio) || !IoOFP(wstio)) {
611 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
612 else PerlLIO_close(fd[0]);
613 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
614 else PerlLIO_close(fd[1]);
617 #if defined(HAS_FCNTL) && defined(F_SETFD)
618 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
619 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
626 DIE(PL_no_func, "pipe");
642 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
644 XPUSHs(SvTIED_obj((SV*)gv, mg));
647 perl_call_method("FILENO", G_SCALAR);
653 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
655 PUSHi(PerlIO_fileno(fp));
666 anum = PerlLIO_umask(0);
667 (void)PerlLIO_umask(anum);
670 anum = PerlLIO_umask(POPi);
671 TAINT_PROPER("umask");
674 /* Only DIE if trying to restrict permissions on `user' (self).
675 * Otherwise it's harmless and more useful to just return undef
676 * since 'group' and 'other' concepts probably don't exist here. */
677 if (MAXARG >= 1 && (POPi & 0700))
678 DIE("umask not implemented");
679 XPUSHs(&PL_sv_undef);
697 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
699 XPUSHs(SvTIED_obj((SV*)gv, mg));
702 perl_call_method("BINMODE", G_SCALAR);
709 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
712 if (do_binmode(fp,IoTYPE(io),TRUE))
727 I32 markoff = MARK - PL_stack_base;
734 switch(SvTYPE(varsv)) {
736 methname = "TIEHASH";
739 methname = "TIEARRAY";
742 methname = "TIEHANDLE";
746 methname = "TIESCALAR";
751 if (sv_isobject(*MARK)) {
753 PUSHSTACKi(PERLSI_MAGIC);
759 perl_call_method(methname, G_SCALAR);
762 /* Not clear why we don't call perl_call_method here too.
763 * perhaps to get different error message ?
765 stash = gv_stashsv(*MARK, FALSE);
766 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
767 DIE("Can't locate object method \"%s\" via package \"%s\"",
768 methname, SvPV(*MARK,n_a));
771 PUSHSTACKi(PERLSI_MAGIC);
777 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
783 if (sv_isobject(sv)) {
784 sv_unmagic(varsv, how);
785 sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0);
788 SP = PL_stack_base + markoff;
797 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
799 if (ckWARN(WARN_UNTIE)) {
801 if (mg = SvTIED_mg(sv, how)) {
802 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
804 "untie attempted while %lu inner references still exist",
805 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
817 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
820 if (mg = SvTIED_mg(sv, how)) {
821 SV *osv = SvTIED_obj(sv, mg);
822 if (osv == mg->mg_obj)
823 osv = sv_mortalcopy(osv);
841 sv = sv_mortalcopy(&PL_sv_no);
842 sv_setpv(sv, "AnyDBM_File");
843 stash = gv_stashsv(sv, FALSE);
844 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
846 perl_require_pv("AnyDBM_File.pm");
848 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
849 DIE("No dbm on this machine");
859 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
861 PUSHs(sv_2mortal(newSViv(O_RDWR)));
864 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
867 if (!sv_isobject(TOPs)) {
872 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
875 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
879 if (sv_isobject(TOPs)) {
880 sv_unmagic((SV *) hv, 'P');
881 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
889 return pp_untie(ARGS);
903 struct timeval timebuf;
904 struct timeval *tbuf = &timebuf;
908 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
913 # if BYTEORDER & 0xf0000
914 # define ORDERBYTE (0x88888888 - BYTEORDER)
916 # define ORDERBYTE (0x4444 - BYTEORDER)
922 for (i = 1; i <= 3; i++) {
930 /* little endians can use vecs directly */
931 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
932 # if SELECT_MIN_BITS > 1
933 /* If SELECT_MIN_BITS is greater than one we most probably will want
934 * to align the sizes with SELECT_MIN_BITS/8 because for example
935 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
936 * UNIX, Solaris, NeXT, Rhapsody) the smallest quantum select() operates
937 * on (sets/tests/clears bits) is 32 bits. */
938 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
940 growsize = sizeof(fd_set);
949 masksize = NFDBITS / NBBY;
951 masksize = sizeof(long); /* documented int, everyone seems to use long */
953 growsize = maxlen + (masksize - (maxlen % masksize));
954 Zero(&fd_sets[0], 4, char*);
962 timebuf.tv_sec = (long)value;
963 value -= (double)timebuf.tv_sec;
964 timebuf.tv_usec = (long)(value * 1000000.0);
967 tbuf = Null(struct timeval*);
969 for (i = 1; i <= 3; i++) {
976 SvPV_force(sv,n_a); /* force string conversion */
979 Sv_Grow(sv, growsize);
983 while (++j <= growsize) {
987 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
989 New(403, fd_sets[i], growsize, char);
990 for (offset = 0; offset < growsize; offset += masksize) {
991 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
992 fd_sets[i][j+offset] = s[(k % masksize) + offset];
995 fd_sets[i] = SvPVX(sv);
999 nfound = PerlSock_select(
1001 (Select_fd_set_t) fd_sets[1],
1002 (Select_fd_set_t) fd_sets[2],
1003 (Select_fd_set_t) fd_sets[3],
1005 for (i = 1; i <= 3; i++) {
1008 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1010 for (offset = 0; offset < growsize; offset += masksize) {
1011 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1012 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1014 Safefree(fd_sets[i]);
1021 if (GIMME == G_ARRAY && tbuf) {
1022 value = (double)(timebuf.tv_sec) +
1023 (double)(timebuf.tv_usec) / 1000000.0;
1024 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1025 sv_setnv(sv, value);
1029 DIE("select not implemented");
1038 (void)SvREFCNT_inc(gv);
1040 SvREFCNT_dec(PL_defoutgv);
1047 GV *newdefout, *egv;
1050 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1052 egv = GvEGV(PL_defoutgv);
1057 XPUSHs(&PL_sv_undef);
1059 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1060 if (gvp && *gvp == egv) {
1061 gv_efullname3(TARG, PL_defoutgv, Nullch);
1065 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1070 if (!GvIO(newdefout))
1071 gv_IOadd(newdefout);
1072 setdefout(newdefout);
1091 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1092 I32 gimme = GIMME_V;
1094 XPUSHs(SvTIED_obj((SV*)gv, mg));
1097 perl_call_method("GETC", gimme);
1100 if (gimme == G_SCALAR)
1101 SvSetMagicSV_nosteal(TARG, TOPs);
1104 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1107 sv_setpv(TARG, " ");
1108 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1115 return pp_sysread(ARGS);
1119 doform(CV *cv, GV *gv, OP *retop)
1122 register PERL_CONTEXT *cx;
1123 I32 gimme = GIMME_V;
1124 AV* padlist = CvPADLIST(cv);
1125 SV** svp = AvARRAY(padlist);
1131 PUSHBLOCK(cx, CXt_SUB, PL_stack_sp);
1133 SAVESPTR(PL_curpad);
1134 PL_curpad = AvARRAY((AV*)svp[1]);
1136 setdefout(gv); /* locally select filehandle so $% et al work */
1168 SV *tmpsv = sv_newmortal();
1169 gv_efullname3(tmpsv, fgv, Nullch);
1170 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
1172 DIE("Not a format reference");
1175 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1177 IoFLAGS(io) &= ~IOf_DIDTOP;
1178 return doform(cv,gv,PL_op->op_next);
1184 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1185 register IO *io = GvIOp(gv);
1186 PerlIO *ofp = IoOFP(io);
1190 register PERL_CONTEXT *cx;
1192 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1193 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1194 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1195 PL_formtarget != PL_toptarget)
1199 if (!IoTOP_GV(io)) {
1203 if (!IoTOP_NAME(io)) {
1204 if (!IoFMT_NAME(io))
1205 IoFMT_NAME(io) = savepv(GvNAME(gv));
1206 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
1207 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1208 if ((topgv && GvFORM(topgv)) ||
1209 !gv_fetchpv("top",FALSE,SVt_PVFM))
1210 IoTOP_NAME(io) = savepv(SvPVX(topname));
1212 IoTOP_NAME(io) = savepv("top");
1214 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1215 if (!topgv || !GvFORM(topgv)) {
1216 IoLINES_LEFT(io) = 100000000;
1219 IoTOP_GV(io) = topgv;
1221 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1222 I32 lines = IoLINES_LEFT(io);
1223 char *s = SvPVX(PL_formtarget);
1224 if (lines <= 0) /* Yow, header didn't even fit!!! */
1226 while (lines-- > 0) {
1227 s = strchr(s, '\n');
1233 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1234 sv_chop(PL_formtarget, s);
1235 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1238 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1239 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1240 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1242 PL_formtarget = PL_toptarget;
1243 IoFLAGS(io) |= IOf_DIDTOP;
1246 DIE("bad top format reference");
1249 SV *tmpsv = sv_newmortal();
1250 gv_efullname3(tmpsv, fgv, Nullch);
1251 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1254 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1255 return doform(cv,gv,PL_op);
1259 POPBLOCK(cx,PL_curpm);
1265 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1267 warner(WARN_IO, "Filehandle only opened for input");
1268 else if (ckWARN(WARN_CLOSED))
1269 warner(WARN_CLOSED, "Write on closed filehandle");
1274 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1275 if (ckWARN(WARN_IO))
1276 warner(WARN_IO, "page overflow");
1278 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1282 FmLINES(PL_formtarget) = 0;
1283 SvCUR_set(PL_formtarget, 0);
1284 *SvEND(PL_formtarget) = '\0';
1285 if (IoFLAGS(io) & IOf_FLUSH)
1286 (void)PerlIO_flush(fp);
1290 PL_formtarget = PL_bodytarget;
1292 return pop_return();
1297 djSP; dMARK; dORIGMARK;
1305 if (PL_op->op_flags & OPf_STACKED)
1310 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1311 if (MARK == ORIGMARK) {
1314 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1318 *MARK = SvTIED_obj((SV*)gv, mg);
1321 perl_call_method("PRINTF", G_SCALAR);
1324 MARK = ORIGMARK + 1;
1331 if (!(io = GvIO(gv))) {
1332 if (ckWARN(WARN_UNOPENED)) {
1333 gv_fullname3(sv, gv, Nullch);
1334 warner(WARN_UNOPENED, "Filehandle %s never opened", SvPV(sv,n_a));
1336 SETERRNO(EBADF,RMS$_IFI);
1339 else if (!(fp = IoOFP(io))) {
1340 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1341 gv_fullname3(sv, gv, Nullch);
1343 warner(WARN_IO, "Filehandle %s opened only for input",
1345 else if (ckWARN(WARN_CLOSED))
1346 warner(WARN_CLOSED, "printf on closed filehandle %s",
1349 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1353 #ifdef USE_LOCALE_NUMERIC
1354 if (PL_op->op_private & OPpLOCALE)
1355 SET_NUMERIC_LOCAL();
1357 SET_NUMERIC_STANDARD();
1359 do_sprintf(sv, SP - MARK, MARK + 1);
1360 if (!do_print(sv, fp))
1363 if (IoFLAGS(io) & IOf_FLUSH)
1364 if (PerlIO_flush(fp) == EOF)
1375 PUSHs(&PL_sv_undef);
1396 /* Need TIEHANDLE method ? */
1398 tmps = SvPV(sv, len);
1399 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1400 IoLINES(GvIOp(gv)) = 0;
1404 PUSHs(&PL_sv_undef);
1411 djSP; dMARK; dORIGMARK; dTARGET;
1417 Sock_size_t bufsize;
1423 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1424 (mg = SvTIED_mg((SV*)gv, 'q')))
1429 *MARK = SvTIED_obj((SV*)gv, mg);
1431 perl_call_method("READ", G_SCALAR);
1444 sv_setpvn(bufsv, "", 0);
1445 buffer = SvPV_force(bufsv, blen);
1446 length = SvIVx(*++MARK);
1448 DIE("Negative length");
1451 offset = SvIVx(*++MARK);
1455 if (!io || !IoIFP(io))
1458 if (PL_op->op_type == OP_RECV) {
1459 char namebuf[MAXPATHLEN];
1460 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1461 bufsize = sizeof (struct sockaddr_in);
1463 bufsize = sizeof namebuf;
1465 buffer = SvGROW(bufsv, length+1);
1466 /* 'offset' means 'flags' here */
1467 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1468 (struct sockaddr *)namebuf, &bufsize);
1471 SvCUR_set(bufsv, length);
1472 *SvEND(bufsv) = '\0';
1473 (void)SvPOK_only(bufsv);
1475 /* This should not be marked tainted if the fp is marked clean */
1476 if (!(IoFLAGS(io) & IOf_UNTAINT))
1477 SvTAINTED_on(bufsv);
1479 sv_setpvn(TARG, namebuf, bufsize);
1484 if (PL_op->op_type == OP_RECV)
1485 DIE(PL_no_sock_func, "recv");
1489 DIE("Offset outside string");
1492 bufsize = SvCUR(bufsv);
1493 buffer = SvGROW(bufsv, length+offset+1);
1494 if (offset > bufsize) { /* Zero any newly allocated space */
1495 Zero(buffer+bufsize, offset-bufsize, char);
1497 if (PL_op->op_type == OP_SYSREAD) {
1498 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1499 if (IoTYPE(io) == 's') {
1500 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1501 buffer+offset, length, 0);
1506 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1507 buffer+offset, length);
1511 #ifdef HAS_SOCKET__bad_code_maybe
1512 if (IoTYPE(io) == 's') {
1513 char namebuf[MAXPATHLEN];
1514 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1515 bufsize = sizeof (struct sockaddr_in);
1517 bufsize = sizeof namebuf;
1519 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1520 (struct sockaddr *)namebuf, &bufsize);
1525 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1526 /* fread() returns 0 on both error and EOF */
1527 if (length == 0 && PerlIO_error(IoIFP(io)))
1532 SvCUR_set(bufsv, length+offset);
1533 *SvEND(bufsv) = '\0';
1534 (void)SvPOK_only(bufsv);
1536 /* This should not be marked tainted if the fp is marked clean */
1537 if (!(IoFLAGS(io) & IOf_UNTAINT))
1538 SvTAINTED_on(bufsv);
1551 int items = (SP - PL_stack_base) - TOPMARK;
1555 sv = sv_2mortal(newSViv(sv_len(*SP)));
1559 return pp_send(ARGS);
1564 djSP; dMARK; dORIGMARK; dTARGET;
1575 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1579 *MARK = SvTIED_obj((SV*)gv, mg);
1581 perl_call_method("WRITE", G_SCALAR);
1592 buffer = SvPV(bufsv, blen);
1593 length = SvIVx(*++MARK);
1595 DIE("Negative length");
1598 if (!io || !IoIFP(io)) {
1600 if (ckWARN(WARN_CLOSED)) {
1601 if (PL_op->op_type == OP_SYSWRITE)
1602 warner(WARN_CLOSED, "Syswrite on closed filehandle");
1604 warner(WARN_CLOSED, "Send on closed socket");
1607 else if (PL_op->op_type == OP_SYSWRITE) {
1609 offset = SvIVx(*++MARK);
1612 DIE("Offset outside string");
1614 } else if (offset >= blen && blen > 0)
1615 DIE("Offset outside string");
1618 if (length > blen - offset)
1619 length = blen - offset;
1620 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1621 if (IoTYPE(io) == 's') {
1622 length = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1623 buffer+offset, length, 0);
1628 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1629 buffer+offset, length);
1633 else if (SP > MARK) {
1636 sockbuf = SvPVx(*++MARK, mlen);
1637 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1638 (struct sockaddr *)sockbuf, mlen);
1641 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1645 DIE(PL_no_sock_func, "send");
1660 return pp_sysread(ARGS);
1672 gv = PL_last_in_gv = (GV*)POPs;
1674 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1676 XPUSHs(SvTIED_obj((SV*)gv, mg));
1679 perl_call_method("EOF", G_SCALAR);
1685 PUSHs(boolSV(!gv || do_eof(gv)));
1698 gv = PL_last_in_gv = (GV*)POPs;
1700 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1702 XPUSHs(SvTIED_obj((SV*)gv, mg));
1705 perl_call_method("TELL", G_SCALAR);
1711 PUSHi( do_tell(gv) );
1717 return pp_sysseek(ARGS);
1725 Off_t offset = POPl;
1728 gv = PL_last_in_gv = (GV*)POPs;
1730 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1732 XPUSHs(SvTIED_obj((SV*)gv, mg));
1733 XPUSHs(sv_2mortal(newSViv((IV) offset)));
1734 XPUSHs(sv_2mortal(newSViv((IV) whence)));
1737 perl_call_method("SEEK", G_SCALAR);
1743 if (PL_op->op_type == OP_SEEK)
1744 PUSHs(boolSV(do_seek(gv, offset, whence)));
1746 Off_t n = do_sysseek(gv, offset, whence);
1747 PUSHs((n < 0) ? &PL_sv_undef
1748 : sv_2mortal(n ? newSViv((IV)n)
1749 : newSVpvn(zero_but_true, ZBTLEN)));
1757 Off_t len = (Off_t)POPn;
1763 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1764 if (PL_op->op_flags & OPf_SPECIAL) {
1765 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1767 TAINT_PROPER("truncate");
1768 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1770 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1772 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1781 if (SvTYPE(sv) == SVt_PVGV) {
1782 tmpgv = (GV*)sv; /* *main::FRED for example */
1785 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1786 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1790 name = SvPV(sv, n_a);
1791 TAINT_PROPER("truncate");
1793 if (truncate(name, len) < 0)
1798 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1801 if (my_chsize(tmpfd, len) < 0)
1803 PerlLIO_close(tmpfd);
1812 SETERRNO(EBADF,RMS$_IFI);
1815 DIE("truncate not implemented");
1821 return pp_ioctl(ARGS);
1828 unsigned int func = U_I(POPn);
1829 int optype = PL_op->op_type;
1835 if (!io || !argsv || !IoIFP(io)) {
1836 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1840 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1843 s = SvPV_force(argsv, len);
1844 need = IOCPARM_LEN(func);
1846 s = Sv_Grow(argsv, need + 1);
1847 SvCUR_set(argsv, need);
1850 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1853 retval = SvIV(argsv);
1854 s = (char*)retval; /* ouch */
1857 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1859 if (optype == OP_IOCTL)
1861 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1863 DIE("ioctl is not implemented");
1867 #if defined(OS2) && defined(__EMX__)
1868 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1870 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1873 DIE("fcntl is not implemented");
1877 if (s[SvCUR(argsv)] != 17)
1878 DIE("Possible memory corruption: %s overflowed 3rd argument",
1879 PL_op_name[optype]);
1880 s[SvCUR(argsv)] = 0; /* put our null back */
1881 SvSETMAGIC(argsv); /* Assume it has changed */
1890 PUSHp(zero_but_true, ZBTLEN);
1910 fp = IoIFP(GvIOp(gv));
1914 (void)PerlIO_flush(fp);
1915 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1922 DIE(PL_no_func, "flock()");
1934 int protocol = POPi;
1942 SETERRNO(EBADF,LIB$_INVARG);
1948 do_close(gv, FALSE);
1950 TAINT_PROPER("socket");
1951 fd = PerlSock_socket(domain, type, protocol);
1954 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1955 IoOFP(io) = PerlIO_fdopen(fd, "w");
1957 if (!IoIFP(io) || !IoOFP(io)) {
1958 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1959 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1960 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
1966 DIE(PL_no_sock_func, "socket");
1973 #ifdef HAS_SOCKETPAIR
1978 int protocol = POPi;
1991 do_close(gv1, FALSE);
1993 do_close(gv2, FALSE);
1995 TAINT_PROPER("socketpair");
1996 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
1998 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1999 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2001 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2002 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2004 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2005 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2006 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2007 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2008 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2009 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2010 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2016 DIE(PL_no_sock_func, "socketpair");
2024 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2025 extern GETPRIVMODE();
2026 extern GETUSERMODE();
2031 register IO *io = GvIOn(gv);
2035 int mpeprivmode = 0;
2038 if (!io || !IoIFP(io))
2041 addr = SvPV(addrsv, len);
2042 TAINT_PROPER("bind");
2043 #ifdef MPE /* Deal with MPE bind() peculiarities */
2044 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2045 /* The address *MUST* stupidly be zero. */
2046 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2047 /* PRIV mode is required to bind() to ports < 1024. */
2048 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2049 ((struct sockaddr_in *)addr)->sin_port > 0) {
2050 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2055 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2056 (struct sockaddr *)addr, len) >= 0)
2059 #ifdef MPE /* Switch back to USER mode */
2070 if (ckWARN(WARN_CLOSED))
2071 warner(WARN_CLOSED, "bind() on closed fd");
2072 SETERRNO(EBADF,SS$_IVCHAN);
2075 DIE(PL_no_sock_func, "bind");
2086 register IO *io = GvIOn(gv);
2089 if (!io || !IoIFP(io))
2092 addr = SvPV(addrsv, len);
2093 TAINT_PROPER("connect");
2094 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2100 if (ckWARN(WARN_CLOSED))
2101 warner(WARN_CLOSED, "connect() on closed fd");
2102 SETERRNO(EBADF,SS$_IVCHAN);
2105 DIE(PL_no_sock_func, "connect");
2115 register IO *io = GvIOn(gv);
2117 if (!io || !IoIFP(io))
2120 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2126 if (ckWARN(WARN_CLOSED))
2127 warner(WARN_CLOSED, "listen() on closed fd");
2128 SETERRNO(EBADF,SS$_IVCHAN);
2131 DIE(PL_no_sock_func, "listen");
2143 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2144 Sock_size_t len = sizeof saddr;
2156 if (!gstio || !IoIFP(gstio))
2161 do_close(ngv, FALSE);
2163 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2166 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2167 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2168 IoTYPE(nstio) = 's';
2169 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2170 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2171 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2172 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2176 PUSHp((char *)&saddr, len);
2180 if (ckWARN(WARN_CLOSED))
2181 warner(WARN_CLOSED, "accept() on closed fd");
2182 SETERRNO(EBADF,SS$_IVCHAN);
2188 DIE(PL_no_sock_func, "accept");
2198 register IO *io = GvIOn(gv);
2200 if (!io || !IoIFP(io))
2203 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2207 if (ckWARN(WARN_CLOSED))
2208 warner(WARN_CLOSED, "shutdown() on closed fd");
2209 SETERRNO(EBADF,SS$_IVCHAN);
2212 DIE(PL_no_sock_func, "shutdown");
2219 return pp_ssockopt(ARGS);
2221 DIE(PL_no_sock_func, "getsockopt");
2229 int optype = PL_op->op_type;
2232 unsigned int optname;
2238 if (optype == OP_GSOCKOPT)
2239 sv = sv_2mortal(NEWSV(22, 257));
2242 optname = (unsigned int) POPi;
2243 lvl = (unsigned int) POPi;
2247 if (!io || !IoIFP(io))
2250 fd = PerlIO_fileno(IoIFP(io));
2254 (void)SvPOK_only(sv);
2258 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2273 aint = (int)SvIV(sv);
2277 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2286 if (ckWARN(WARN_CLOSED))
2287 warner(WARN_CLOSED, "[gs]etsockopt() on closed fd");
2288 SETERRNO(EBADF,SS$_IVCHAN);
2293 DIE(PL_no_sock_func, "setsockopt");
2300 return pp_getpeername(ARGS);
2302 DIE(PL_no_sock_func, "getsockname");
2310 int optype = PL_op->op_type;
2314 register IO *io = GvIOn(gv);
2317 if (!io || !IoIFP(io))
2320 sv = sv_2mortal(NEWSV(22, 257));
2321 (void)SvPOK_only(sv);
2325 fd = PerlIO_fileno(IoIFP(io));
2327 case OP_GETSOCKNAME:
2328 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2331 case OP_GETPEERNAME:
2332 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2334 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2336 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2337 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2338 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2339 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2340 sizeof(u_short) + sizeof(struct in_addr))) {
2347 #ifdef BOGUS_GETNAME_RETURN
2348 /* Interactive Unix, getpeername() and getsockname()
2349 does not return valid namelen */
2350 if (len == BOGUS_GETNAME_RETURN)
2351 len = sizeof(struct sockaddr);
2359 if (ckWARN(WARN_CLOSED))
2360 warner(WARN_CLOSED, "get{sock, peer}name() on closed fd");
2361 SETERRNO(EBADF,SS$_IVCHAN);
2366 DIE(PL_no_sock_func, "getpeername");
2374 return pp_stat(ARGS);
2385 if (PL_op->op_flags & OPf_REF) {
2386 tmpgv = cGVOP->op_gv;
2388 if (tmpgv != PL_defgv) {
2389 PL_laststype = OP_STAT;
2391 sv_setpv(PL_statname, "");
2392 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2393 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2395 if (PL_laststatval < 0)
2400 if (SvTYPE(sv) == SVt_PVGV) {
2404 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2405 tmpgv = (GV*)SvRV(sv);
2408 sv_setpv(PL_statname, SvPV(sv,n_a));
2411 PL_laststype = PL_op->op_type;
2412 if (PL_op->op_type == OP_LSTAT)
2413 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2416 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2417 if (PL_laststatval < 0) {
2418 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2419 warner(WARN_NEWLINE, PL_warn_nl, "stat");
2425 if (gimme != G_ARRAY) {
2426 if (gimme != G_VOID)
2427 XPUSHs(boolSV(max));
2433 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_dev)));
2434 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ino)));
2435 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mode)));
2436 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_nlink)));
2437 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_uid)));
2438 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_gid)));
2439 #ifdef USE_STAT_RDEV
2440 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_rdev)));
2442 PUSHs(sv_2mortal(newSVpvn("", 0)));
2444 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_size)));
2446 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_atime)));
2447 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_mtime)));
2448 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_ctime)));
2450 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_atime)));
2451 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mtime)));
2452 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ctime)));
2454 #ifdef USE_STAT_BLOCKS
2455 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blksize)));
2456 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blocks)));
2458 PUSHs(sv_2mortal(newSVpvn("", 0)));
2459 PUSHs(sv_2mortal(newSVpvn("", 0)));
2469 #if defined(HAS_ACCESS) && defined(R_OK)
2471 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2472 result = access(TOPpx, R_OK);
2480 result = my_stat(ARGS);
2482 result = my_stat(ARGS);
2487 if (cando(S_IRUSR, 0, &PL_statcache))
2496 #if defined(HAS_ACCESS) && defined(W_OK)
2498 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2499 result = access(TOPpx, W_OK);
2507 result = my_stat(ARGS);
2509 result = my_stat(ARGS);
2514 if (cando(S_IWUSR, 0, &PL_statcache))
2523 #if defined(HAS_ACCESS) && defined(X_OK)
2525 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2526 result = access(TOPpx, X_OK);
2534 result = my_stat(ARGS);
2536 result = my_stat(ARGS);
2541 if (cando(S_IXUSR, 0, &PL_statcache))
2550 #ifdef PERL_EFF_ACCESS_R_OK
2552 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2553 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2561 result = my_stat(ARGS);
2563 result = my_stat(ARGS);
2568 if (cando(S_IRUSR, 1, &PL_statcache))
2577 #ifdef PERL_EFF_ACCESS_W_OK
2579 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2580 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2588 result = my_stat(ARGS);
2590 result = my_stat(ARGS);
2595 if (cando(S_IWUSR, 1, &PL_statcache))
2604 #ifdef PERL_EFF_ACCESS_X_OK
2606 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2607 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2615 result = my_stat(ARGS);
2617 result = my_stat(ARGS);
2622 if (cando(S_IXUSR, 1, &PL_statcache))
2629 I32 result = my_stat(ARGS);
2638 return pp_ftrowned(ARGS);
2643 I32 result = my_stat(ARGS);
2647 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? PL_euid : PL_uid) )
2654 I32 result = my_stat(ARGS);
2658 if (!PL_statcache.st_size)
2665 I32 result = my_stat(ARGS);
2669 PUSHi(PL_statcache.st_size);
2675 I32 result = my_stat(ARGS);
2679 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_mtime) / 86400.0 );
2685 I32 result = my_stat(ARGS);
2689 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_atime) / 86400.0 );
2695 I32 result = my_stat(ARGS);
2699 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_ctime) / 86400.0 );
2705 I32 result = my_stat(ARGS);
2709 if (S_ISSOCK(PL_statcache.st_mode))
2716 I32 result = my_stat(ARGS);
2720 if (S_ISCHR(PL_statcache.st_mode))
2727 I32 result = my_stat(ARGS);
2731 if (S_ISBLK(PL_statcache.st_mode))
2738 I32 result = my_stat(ARGS);
2742 if (S_ISREG(PL_statcache.st_mode))
2749 I32 result = my_stat(ARGS);
2753 if (S_ISDIR(PL_statcache.st_mode))
2760 I32 result = my_stat(ARGS);
2764 if (S_ISFIFO(PL_statcache.st_mode))
2771 I32 result = my_lstat(ARGS);
2775 if (S_ISLNK(PL_statcache.st_mode))
2784 I32 result = my_stat(ARGS);
2788 if (PL_statcache.st_mode & S_ISUID)
2798 I32 result = my_stat(ARGS);
2802 if (PL_statcache.st_mode & S_ISGID)
2812 I32 result = my_stat(ARGS);
2816 if (PL_statcache.st_mode & S_ISVTX)
2827 char *tmps = Nullch;
2830 if (PL_op->op_flags & OPf_REF)
2832 else if (isGV(TOPs))
2834 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2835 gv = (GV*)SvRV(POPs);
2837 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2839 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2840 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2841 else if (tmps && isDIGIT(*tmps))
2845 if (PerlLIO_isatty(fd))
2850 #if defined(atarist) /* this will work with atariST. Configure will
2851 make guesses for other systems. */
2852 # define FILE_base(f) ((f)->_base)
2853 # define FILE_ptr(f) ((f)->_ptr)
2854 # define FILE_cnt(f) ((f)->_cnt)
2855 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2865 register STDCHAR *s;
2871 if (PL_op->op_flags & OPf_REF)
2873 else if (isGV(TOPs))
2875 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2876 gv = (GV*)SvRV(POPs);
2882 if (gv == PL_defgv) {
2884 io = GvIO(PL_statgv);
2887 goto really_filename;
2892 PL_laststatval = -1;
2893 sv_setpv(PL_statname, "");
2894 io = GvIO(PL_statgv);
2896 if (io && IoIFP(io)) {
2897 if (! PerlIO_has_base(IoIFP(io)))
2898 DIE("-T and -B not implemented on filehandles");
2899 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
2900 if (PL_laststatval < 0)
2902 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
2903 if (PL_op->op_type == OP_FTTEXT)
2907 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2908 i = PerlIO_getc(IoIFP(io));
2910 (void)PerlIO_ungetc(IoIFP(io),i);
2912 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2914 len = PerlIO_get_bufsiz(IoIFP(io));
2915 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2916 /* sfio can have large buffers - limit to 512 */
2921 if (ckWARN(WARN_UNOPENED))
2922 warner(WARN_UNOPENED, "Test on unopened file <%s>",
2923 GvENAME(cGVOP->op_gv));
2924 SETERRNO(EBADF,RMS$_IFI);
2932 PL_laststatval = -1;
2933 sv_setpv(PL_statname, SvPV(sv, n_a));
2935 i = PerlLIO_open3(SvPV(sv, n_a), O_RDONLY, 0);
2937 i = PerlLIO_open(SvPV(sv, n_a), 0);
2940 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
2941 warner(WARN_NEWLINE, PL_warn_nl, "open");
2944 PL_laststatval = PerlLIO_fstat(i, &PL_statcache);
2945 if (PL_laststatval < 0)
2947 len = PerlLIO_read(i, tbuf, 512);
2948 (void)PerlLIO_close(i);
2950 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
2951 RETPUSHNO; /* special case NFS directories */
2952 RETPUSHYES; /* null file is anything */
2957 /* now scan s to look for textiness */
2958 /* XXX ASCII dependent code */
2960 for (i = 0; i < len; i++, s++) {
2961 if (!*s) { /* null never allowed in text */
2966 else if (!(isPRINT(*s) || isSPACE(*s)))
2972 *s != '\n' && *s != '\r' && *s != '\b' &&
2973 *s != '\t' && *s != '\f' && *s != 27)
2978 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2986 return pp_fttext(ARGS);
3002 if (!tmps || !*tmps) {
3003 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3005 tmps = SvPV(*svp, n_a);
3007 if (!tmps || !*tmps) {
3008 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3010 tmps = SvPV(*svp, n_a);
3013 if (!tmps || !*tmps) {
3014 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3016 tmps = SvPV(*svp, n_a);
3019 TAINT_PROPER("chdir");
3020 PUSHi( PerlDir_chdir(tmps) >= 0 );
3022 /* Clear the DEFAULT element of ENV so we'll get the new value
3024 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3031 djSP; dMARK; dTARGET;
3034 value = (I32)apply(PL_op->op_type, MARK, SP);
3039 DIE(PL_no_func, "Unsupported function chown");
3050 TAINT_PROPER("chroot");
3051 PUSHi( chroot(tmps) >= 0 );
3054 DIE(PL_no_func, "chroot");
3060 djSP; dMARK; dTARGET;
3062 value = (I32)apply(PL_op->op_type, MARK, SP);
3070 djSP; dMARK; dTARGET;
3072 value = (I32)apply(PL_op->op_type, MARK, SP);
3080 djSP; dMARK; dTARGET;
3082 value = (I32)apply(PL_op->op_type, MARK, SP);
3094 char *tmps2 = POPpx;
3095 char *tmps = SvPV(TOPs, n_a);
3096 TAINT_PROPER("rename");
3098 anum = PerlLIO_rename(tmps, tmps2);
3100 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3101 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3104 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3105 (void)UNLINK(tmps2);
3106 if (!(anum = link(tmps, tmps2)))
3107 anum = UNLINK(tmps);
3120 char *tmps2 = POPpx;
3121 char *tmps = SvPV(TOPs, n_a);
3122 TAINT_PROPER("link");
3123 SETi( link(tmps, tmps2) >= 0 );
3125 DIE(PL_no_func, "Unsupported function link");
3135 char *tmps2 = POPpx;
3136 char *tmps = SvPV(TOPs, n_a);
3137 TAINT_PROPER("symlink");
3138 SETi( symlink(tmps, tmps2) >= 0 );
3141 DIE(PL_no_func, "symlink");
3150 char buf[MAXPATHLEN];
3154 #ifndef INCOMPLETE_TAINTS
3158 len = readlink(tmps, buf, sizeof buf);
3166 RETSETUNDEF; /* just pretend it's a normal file */
3170 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3172 dooneliner(cmd, filename)
3176 char *save_filename = filename;
3182 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3183 strcpy(cmdline, cmd);
3184 strcat(cmdline, " ");
3185 for (s = cmdline + strlen(cmdline); *filename; ) {
3190 myfp = PerlProc_popen(cmdline, "r");
3194 SV *tmpsv = sv_newmortal();
3195 /* Need to save/restore 'PL_rs' ?? */
3196 s = sv_gets(tmpsv, myfp, 0);
3197 (void)PerlProc_pclose(myfp);
3201 #ifdef HAS_SYS_ERRLIST
3206 /* you don't see this */
3208 #ifdef HAS_SYS_ERRLIST
3216 if (instr(s, errmsg)) {
3223 #define EACCES EPERM
3225 if (instr(s, "cannot make"))
3226 SETERRNO(EEXIST,RMS$_FEX);
3227 else if (instr(s, "existing file"))
3228 SETERRNO(EEXIST,RMS$_FEX);
3229 else if (instr(s, "ile exists"))
3230 SETERRNO(EEXIST,RMS$_FEX);
3231 else if (instr(s, "non-exist"))
3232 SETERRNO(ENOENT,RMS$_FNF);
3233 else if (instr(s, "does not exist"))
3234 SETERRNO(ENOENT,RMS$_FNF);
3235 else if (instr(s, "not empty"))
3236 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3237 else if (instr(s, "cannot access"))
3238 SETERRNO(EACCES,RMS$_PRV);
3240 SETERRNO(EPERM,RMS$_PRV);
3243 else { /* some mkdirs return no failure indication */
3244 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3245 if (PL_op->op_type == OP_RMDIR)
3250 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3267 char *tmps = SvPV(TOPs, n_a);
3269 TAINT_PROPER("mkdir");
3271 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3273 SETi( dooneliner("mkdir", tmps) );
3274 oldumask = PerlLIO_umask(0);
3275 PerlLIO_umask(oldumask);
3276 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3288 TAINT_PROPER("rmdir");
3290 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3292 XPUSHi( dooneliner("rmdir", tmps) );
3297 /* Directory calls. */
3302 #if defined(Direntry_t) && defined(HAS_READDIR)
3304 char *dirname = POPpx;
3306 register IO *io = GvIOn(gv);
3312 PerlDir_close(IoDIRP(io));
3313 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3319 SETERRNO(EBADF,RMS$_DIR);
3322 DIE(PL_no_dir_func, "opendir");
3329 #if defined(Direntry_t) && defined(HAS_READDIR)
3331 Direntry_t *readdir _((DIR *));
3333 register Direntry_t *dp;
3335 register IO *io = GvIOn(gv);
3338 if (!io || !IoDIRP(io))
3341 if (GIMME == G_ARRAY) {
3343 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3345 sv = newSVpvn(dp->d_name, dp->d_namlen);
3347 sv = newSVpv(dp->d_name, 0);
3349 #ifndef INCOMPLETE_TAINTS
3352 XPUSHs(sv_2mortal(sv));
3356 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3359 sv = newSVpvn(dp->d_name, dp->d_namlen);
3361 sv = newSVpv(dp->d_name, 0);
3363 #ifndef INCOMPLETE_TAINTS
3366 XPUSHs(sv_2mortal(sv));
3372 SETERRNO(EBADF,RMS$_ISI);
3373 if (GIMME == G_ARRAY)
3378 DIE(PL_no_dir_func, "readdir");
3385 #if defined(HAS_TELLDIR) || defined(telldir)
3386 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3387 /* XXX netbsd still seemed to.
3388 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3389 --JHI 1999-Feb-02 */
3390 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3391 long telldir _((DIR *));
3394 register IO *io = GvIOn(gv);
3396 if (!io || !IoDIRP(io))
3399 PUSHi( PerlDir_tell(IoDIRP(io)) );
3403 SETERRNO(EBADF,RMS$_ISI);
3406 DIE(PL_no_dir_func, "telldir");
3413 #if defined(HAS_SEEKDIR) || defined(seekdir)
3416 register IO *io = GvIOn(gv);
3418 if (!io || !IoDIRP(io))
3421 (void)PerlDir_seek(IoDIRP(io), along);
3426 SETERRNO(EBADF,RMS$_ISI);
3429 DIE(PL_no_dir_func, "seekdir");
3436 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3438 register IO *io = GvIOn(gv);
3440 if (!io || !IoDIRP(io))
3443 (void)PerlDir_rewind(IoDIRP(io));
3447 SETERRNO(EBADF,RMS$_ISI);
3450 DIE(PL_no_dir_func, "rewinddir");
3457 #if defined(Direntry_t) && defined(HAS_READDIR)
3459 register IO *io = GvIOn(gv);
3461 if (!io || !IoDIRP(io))
3464 #ifdef VOID_CLOSEDIR
3465 PerlDir_close(IoDIRP(io));
3467 if (PerlDir_close(IoDIRP(io)) < 0) {
3468 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3477 SETERRNO(EBADF,RMS$_IFI);
3480 DIE(PL_no_dir_func, "closedir");
3484 /* Process control. */
3499 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3500 sv_setiv(GvSV(tmpgv), (IV)getpid());
3501 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3506 DIE(PL_no_func, "Unsupported function fork");
3512 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3517 childpid = wait4pid(-1, &argflags, 0);
3518 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3522 DIE(PL_no_func, "Unsupported function wait");
3528 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3536 childpid = wait4pid(childpid, &argflags, optype);
3537 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3541 DIE(PL_no_func, "Unsupported function waitpid");
3547 djSP; dMARK; dORIGMARK; dTARGET;
3552 Sigsave_t ihand,qhand; /* place to save signals during system() */
3555 if (SP - MARK == 1) {
3557 char *junk = SvPV(TOPs, n_a);
3559 TAINT_PROPER("system");
3562 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3563 while ((childpid = vfork()) == -1) {
3564 if (errno != EAGAIN) {
3573 rsignal_save(SIGINT, SIG_IGN, &ihand);
3574 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3576 result = wait4pid(childpid, &status, 0);
3577 } while (result == -1 && errno == EINTR);
3578 (void)rsignal_restore(SIGINT, &ihand);
3579 (void)rsignal_restore(SIGQUIT, &qhand);
3580 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3581 do_execfree(); /* free any memory child malloced on vfork */
3583 PUSHi(STATUS_CURRENT);
3586 if (PL_op->op_flags & OPf_STACKED) {
3587 SV *really = *++MARK;
3588 value = (I32)do_aexec(really, MARK, SP);
3590 else if (SP - MARK != 1)
3591 value = (I32)do_aexec(Nullsv, MARK, SP);
3593 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3596 #else /* ! FORK or VMS or OS/2 */
3597 if (PL_op->op_flags & OPf_STACKED) {
3598 SV *really = *++MARK;
3599 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3601 else if (SP - MARK != 1)
3602 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3604 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3606 STATUS_NATIVE_SET(value);
3609 PUSHi(STATUS_CURRENT);
3610 #endif /* !FORK or VMS */
3616 djSP; dMARK; dORIGMARK; dTARGET;
3620 if (PL_op->op_flags & OPf_STACKED) {
3621 SV *really = *++MARK;
3622 value = (I32)do_aexec(really, MARK, SP);
3624 else if (SP - MARK != 1)
3626 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3630 (void ) do_aspawn(Nullsv, MARK, SP);
3634 value = (I32)do_aexec(Nullsv, MARK, SP);
3639 char *junk = SvPV(*SP, n_a);
3641 TAINT_PROPER("exec");
3644 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3647 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3650 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3661 djSP; dMARK; dTARGET;
3664 value = (I32)apply(PL_op->op_type, MARK, SP);
3669 DIE(PL_no_func, "Unsupported function kill");
3677 XPUSHi( getppid() );
3680 DIE(PL_no_func, "getppid");
3696 value = (I32)BSD_GETPGRP(pid);
3698 if (pid != 0 && pid != getpid())
3699 DIE("POSIX getpgrp can't take an argument");
3700 value = (I32)getpgrp();
3705 DIE(PL_no_func, "getpgrp()");
3724 TAINT_PROPER("setpgrp");
3726 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3728 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3729 DIE("POSIX setpgrp can't take an argument");
3730 SETi( setpgrp() >= 0 );
3731 #endif /* USE_BSDPGRP */
3734 DIE(PL_no_func, "setpgrp()");
3743 #ifdef HAS_GETPRIORITY
3746 SETi( getpriority(which, who) );
3749 DIE(PL_no_func, "getpriority()");
3759 #ifdef HAS_SETPRIORITY
3763 TAINT_PROPER("setpriority");
3764 SETi( setpriority(which, who, niceval) >= 0 );
3767 DIE(PL_no_func, "setpriority()");
3777 XPUSHn( time(Null(Time_t*)) );
3779 XPUSHi( time(Null(Time_t*)) );
3784 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3785 to HZ. Probably. For now, assume that if the system
3786 defines HZ, it does so correctly. (Will this break
3788 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3789 it's supported. --AD 9/96.
3805 DIE("times not implemented");
3810 (void)PerlProc_times(&PL_timesbuf);
3812 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3813 /* struct tms, though same data */
3817 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_utime)/HZ)));
3818 if (GIMME == G_ARRAY) {
3819 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_stime)/HZ)));
3820 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cutime)/HZ)));
3821 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cstime)/HZ)));
3824 #endif /* HAS_TIMES */
3829 return pp_gmtime(ARGS);
3837 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3838 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3839 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3845 when = (Time_t)SvNVx(POPs);
3847 when = (Time_t)SvIVx(POPs);
3850 if (PL_op->op_type == OP_LOCALTIME)
3851 tmbuf = localtime(&when);
3853 tmbuf = gmtime(&when);
3857 if (GIMME != G_ARRAY) {
3862 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3863 dayname[tmbuf->tm_wday],
3864 monname[tmbuf->tm_mon],
3869 tmbuf->tm_year + 1900);
3870 PUSHs(sv_2mortal(tsv));
3873 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3874 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3875 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3876 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3877 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3878 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3879 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3880 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3881 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3892 anum = alarm((unsigned int)anum);
3899 DIE(PL_no_func, "Unsupported function alarm");
3910 (void)time(&lasttime);
3915 PerlProc_sleep((unsigned int)duration);
3918 XPUSHi(when - lasttime);
3922 /* Shared memory. */
3926 return pp_semget(ARGS);
3931 return pp_semctl(ARGS);
3936 return pp_shmwrite(ARGS);
3941 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3942 djSP; dMARK; dTARGET;
3943 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
3948 return pp_semget(ARGS);
3952 /* Message passing. */
3956 return pp_semget(ARGS);
3961 return pp_semctl(ARGS);
3966 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3967 djSP; dMARK; dTARGET;
3968 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3973 return pp_semget(ARGS);
3979 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3980 djSP; dMARK; dTARGET;
3981 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3986 return pp_semget(ARGS);
3994 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3995 djSP; dMARK; dTARGET;
3996 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4003 DIE("System V IPC is not implemented on this machine");
4009 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4010 djSP; dMARK; dTARGET;
4011 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4019 PUSHp(zero_but_true, ZBTLEN);
4023 return pp_semget(ARGS);
4029 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4030 djSP; dMARK; dTARGET;
4031 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4036 return pp_semget(ARGS);
4040 /* Get system info. */
4044 #ifdef HAS_GETHOSTBYNAME
4045 return pp_ghostent(ARGS);
4047 DIE(PL_no_sock_func, "gethostbyname");
4053 #ifdef HAS_GETHOSTBYADDR
4054 return pp_ghostent(ARGS);
4056 DIE(PL_no_sock_func, "gethostbyaddr");
4063 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4064 I32 which = PL_op->op_type;
4065 register char **elem;
4067 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4068 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4069 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4070 struct hostent *PerlSock_gethostent(void);
4072 struct hostent *hent;
4077 if (which == OP_GHBYNAME)
4078 #ifdef HAS_GETHOSTBYNAME
4079 hent = PerlSock_gethostbyname(POPpx);
4081 DIE(PL_no_sock_func, "gethostbyname");
4083 else if (which == OP_GHBYADDR) {
4084 #ifdef HAS_GETHOSTBYADDR
4085 int addrtype = POPi;
4088 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4090 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4092 DIE(PL_no_sock_func, "gethostbyaddr");
4096 #ifdef HAS_GETHOSTENT
4097 hent = PerlSock_gethostent();
4099 DIE(PL_no_sock_func, "gethostent");
4102 #ifdef HOST_NOT_FOUND
4104 STATUS_NATIVE_SET(h_errno);
4107 if (GIMME != G_ARRAY) {
4108 PUSHs(sv = sv_newmortal());
4110 if (which == OP_GHBYNAME) {
4112 sv_setpvn(sv, hent->h_addr, hent->h_length);
4115 sv_setpv(sv, (char*)hent->h_name);
4121 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4122 sv_setpv(sv, (char*)hent->h_name);
4123 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4124 for (elem = hent->h_aliases; elem && *elem; elem++) {
4125 sv_catpv(sv, *elem);
4127 sv_catpvn(sv, " ", 1);
4129 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4130 sv_setiv(sv, (IV)hent->h_addrtype);
4131 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4132 len = hent->h_length;
4133 sv_setiv(sv, (IV)len);
4135 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4136 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4137 sv_setpvn(sv, *elem, len);
4140 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4142 sv_setpvn(sv, hent->h_addr, len);
4147 DIE(PL_no_sock_func, "gethostent");
4153 #ifdef HAS_GETNETBYNAME
4154 return pp_gnetent(ARGS);
4156 DIE(PL_no_sock_func, "getnetbyname");
4162 #ifdef HAS_GETNETBYADDR
4163 return pp_gnetent(ARGS);
4165 DIE(PL_no_sock_func, "getnetbyaddr");
4172 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4173 I32 which = PL_op->op_type;
4174 register char **elem;
4176 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4177 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4178 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4179 struct netent *PerlSock_getnetent(void);
4181 struct netent *nent;
4184 if (which == OP_GNBYNAME)
4185 #ifdef HAS_GETNETBYNAME
4186 nent = PerlSock_getnetbyname(POPpx);
4188 DIE(PL_no_sock_func, "getnetbyname");
4190 else if (which == OP_GNBYADDR) {
4191 #ifdef HAS_GETNETBYADDR
4192 int addrtype = POPi;
4193 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4194 nent = PerlSock_getnetbyaddr(addr, addrtype);
4196 DIE(PL_no_sock_func, "getnetbyaddr");
4200 #ifdef HAS_GETNETENT
4201 nent = PerlSock_getnetent();
4203 DIE(PL_no_sock_func, "getnetent");
4207 if (GIMME != G_ARRAY) {
4208 PUSHs(sv = sv_newmortal());
4210 if (which == OP_GNBYNAME)
4211 sv_setiv(sv, (IV)nent->n_net);
4213 sv_setpv(sv, nent->n_name);
4219 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4220 sv_setpv(sv, nent->n_name);
4221 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4222 for (elem = nent->n_aliases; elem && *elem; elem++) {
4223 sv_catpv(sv, *elem);
4225 sv_catpvn(sv, " ", 1);
4227 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4228 sv_setiv(sv, (IV)nent->n_addrtype);
4229 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4230 sv_setiv(sv, (IV)nent->n_net);
4235 DIE(PL_no_sock_func, "getnetent");
4241 #ifdef HAS_GETPROTOBYNAME
4242 return pp_gprotoent(ARGS);
4244 DIE(PL_no_sock_func, "getprotobyname");
4250 #ifdef HAS_GETPROTOBYNUMBER
4251 return pp_gprotoent(ARGS);
4253 DIE(PL_no_sock_func, "getprotobynumber");
4260 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4261 I32 which = PL_op->op_type;
4262 register char **elem;
4264 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4265 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4266 struct protoent *PerlSock_getprotobynumber(int);
4267 struct protoent *PerlSock_getprotoent(void);
4269 struct protoent *pent;
4272 if (which == OP_GPBYNAME)
4273 #ifdef HAS_GETPROTOBYNAME
4274 pent = PerlSock_getprotobyname(POPpx);
4276 DIE(PL_no_sock_func, "getprotobyname");
4278 else if (which == OP_GPBYNUMBER)
4279 #ifdef HAS_GETPROTOBYNUMBER
4280 pent = PerlSock_getprotobynumber(POPi);
4282 DIE(PL_no_sock_func, "getprotobynumber");
4285 #ifdef HAS_GETPROTOENT
4286 pent = PerlSock_getprotoent();
4288 DIE(PL_no_sock_func, "getprotoent");
4292 if (GIMME != G_ARRAY) {
4293 PUSHs(sv = sv_newmortal());
4295 if (which == OP_GPBYNAME)
4296 sv_setiv(sv, (IV)pent->p_proto);
4298 sv_setpv(sv, pent->p_name);
4304 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4305 sv_setpv(sv, pent->p_name);
4306 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4307 for (elem = pent->p_aliases; elem && *elem; elem++) {
4308 sv_catpv(sv, *elem);
4310 sv_catpvn(sv, " ", 1);
4312 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4313 sv_setiv(sv, (IV)pent->p_proto);
4318 DIE(PL_no_sock_func, "getprotoent");
4324 #ifdef HAS_GETSERVBYNAME
4325 return pp_gservent(ARGS);
4327 DIE(PL_no_sock_func, "getservbyname");
4333 #ifdef HAS_GETSERVBYPORT
4334 return pp_gservent(ARGS);
4336 DIE(PL_no_sock_func, "getservbyport");
4343 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4344 I32 which = PL_op->op_type;
4345 register char **elem;
4347 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4348 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4349 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4350 struct servent *PerlSock_getservent(void);
4352 struct servent *sent;
4355 if (which == OP_GSBYNAME) {
4356 #ifdef HAS_GETSERVBYNAME
4357 char *proto = POPpx;
4360 if (proto && !*proto)
4363 sent = PerlSock_getservbyname(name, proto);
4365 DIE(PL_no_sock_func, "getservbyname");
4368 else if (which == OP_GSBYPORT) {
4369 #ifdef HAS_GETSERVBYPORT
4370 char *proto = POPpx;
4371 unsigned short port = POPu;
4374 port = PerlSock_htons(port);
4376 sent = PerlSock_getservbyport(port, proto);
4378 DIE(PL_no_sock_func, "getservbyport");
4382 #ifdef HAS_GETSERVENT
4383 sent = PerlSock_getservent();
4385 DIE(PL_no_sock_func, "getservent");
4389 if (GIMME != G_ARRAY) {
4390 PUSHs(sv = sv_newmortal());
4392 if (which == OP_GSBYNAME) {
4394 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4396 sv_setiv(sv, (IV)(sent->s_port));
4400 sv_setpv(sv, sent->s_name);
4406 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4407 sv_setpv(sv, sent->s_name);
4408 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4409 for (elem = sent->s_aliases; elem && *elem; elem++) {
4410 sv_catpv(sv, *elem);
4412 sv_catpvn(sv, " ", 1);
4414 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4416 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4418 sv_setiv(sv, (IV)(sent->s_port));
4420 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4421 sv_setpv(sv, sent->s_proto);
4426 DIE(PL_no_sock_func, "getservent");
4433 #ifdef HAS_SETHOSTENT
4434 PerlSock_sethostent(TOPi);
4437 DIE(PL_no_sock_func, "sethostent");
4444 #ifdef HAS_SETNETENT
4445 PerlSock_setnetent(TOPi);
4448 DIE(PL_no_sock_func, "setnetent");
4455 #ifdef HAS_SETPROTOENT
4456 PerlSock_setprotoent(TOPi);
4459 DIE(PL_no_sock_func, "setprotoent");
4466 #ifdef HAS_SETSERVENT
4467 PerlSock_setservent(TOPi);
4470 DIE(PL_no_sock_func, "setservent");
4477 #ifdef HAS_ENDHOSTENT
4478 PerlSock_endhostent();
4482 DIE(PL_no_sock_func, "endhostent");
4489 #ifdef HAS_ENDNETENT
4490 PerlSock_endnetent();
4494 DIE(PL_no_sock_func, "endnetent");
4501 #ifdef HAS_ENDPROTOENT
4502 PerlSock_endprotoent();
4506 DIE(PL_no_sock_func, "endprotoent");
4513 #ifdef HAS_ENDSERVENT
4514 PerlSock_endservent();
4518 DIE(PL_no_sock_func, "endservent");
4525 return pp_gpwent(ARGS);
4527 DIE(PL_no_func, "getpwnam");
4534 return pp_gpwent(ARGS);
4536 DIE(PL_no_func, "getpwuid");
4543 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4544 I32 which = PL_op->op_type;
4546 struct passwd *pwent;
4549 if (which == OP_GPWNAM)
4550 pwent = getpwnam(POPpx);
4551 else if (which == OP_GPWUID)
4552 pwent = getpwuid(POPi);
4554 pwent = (struct passwd *)getpwent();
4557 if (GIMME != G_ARRAY) {
4558 PUSHs(sv = sv_newmortal());
4560 if (which == OP_GPWNAM)
4561 sv_setiv(sv, (IV)pwent->pw_uid);
4563 sv_setpv(sv, pwent->pw_name);
4569 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4570 sv_setpv(sv, pwent->pw_name);
4572 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4574 sv_setpv(sv, pwent->pw_passwd);
4577 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4578 sv_setiv(sv, (IV)pwent->pw_uid);
4580 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4581 sv_setiv(sv, (IV)pwent->pw_gid);
4583 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4584 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4586 sv_setiv(sv, (IV)pwent->pw_change);
4589 sv_setiv(sv, (IV)pwent->pw_quota);
4592 sv_setpv(sv, pwent->pw_age);
4597 /* pw_class and pw_comment are mutually exclusive. */
4598 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4600 sv_setpv(sv, pwent->pw_class);
4603 sv_setpv(sv, pwent->pw_comment);
4607 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4609 sv_setpv(sv, pwent->pw_gecos);
4611 #ifndef INCOMPLETE_TAINTS
4612 /* pw_gecos is tainted because user himself can diddle with it. */
4616 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4617 sv_setpv(sv, pwent->pw_dir);
4619 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4620 sv_setpv(sv, pwent->pw_shell);
4623 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4624 sv_setiv(sv, (IV)pwent->pw_expire);
4629 DIE(PL_no_func, "getpwent");
4636 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) && !defined(CYGWIN32)
4640 DIE(PL_no_func, "setpwent");
4647 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4651 DIE(PL_no_func, "endpwent");
4658 return pp_ggrent(ARGS);
4660 DIE(PL_no_func, "getgrnam");
4667 return pp_ggrent(ARGS);
4669 DIE(PL_no_func, "getgrgid");
4676 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4677 I32 which = PL_op->op_type;
4678 register char **elem;
4680 struct group *grent;
4683 if (which == OP_GGRNAM)
4684 grent = (struct group *)getgrnam(POPpx);
4685 else if (which == OP_GGRGID)
4686 grent = (struct group *)getgrgid(POPi);
4688 grent = (struct group *)getgrent();
4691 if (GIMME != G_ARRAY) {
4692 PUSHs(sv = sv_newmortal());
4694 if (which == OP_GGRNAM)
4695 sv_setiv(sv, (IV)grent->gr_gid);
4697 sv_setpv(sv, grent->gr_name);
4703 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4704 sv_setpv(sv, grent->gr_name);
4706 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4708 sv_setpv(sv, grent->gr_passwd);
4711 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4712 sv_setiv(sv, (IV)grent->gr_gid);
4714 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4715 for (elem = grent->gr_mem; elem && *elem; elem++) {
4716 sv_catpv(sv, *elem);
4718 sv_catpvn(sv, " ", 1);
4724 DIE(PL_no_func, "getgrent");
4731 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4735 DIE(PL_no_func, "setgrent");
4742 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4746 DIE(PL_no_func, "endgrent");
4756 if (!(tmps = PerlProc_getlogin()))
4758 PUSHp(tmps, strlen(tmps));
4761 DIE(PL_no_func, "getlogin");
4765 /* Miscellaneous. */
4770 djSP; dMARK; dORIGMARK; dTARGET;
4771 register I32 items = SP - MARK;
4772 unsigned long a[20];
4779 while (++MARK <= SP) {
4780 if (SvTAINTED(*MARK)) {
4786 TAINT_PROPER("syscall");
4789 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4790 * or where sizeof(long) != sizeof(char*). But such machines will
4791 * not likely have syscall implemented either, so who cares?
4793 while (++MARK <= SP) {
4794 if (SvNIOK(*MARK) || !i)
4795 a[i++] = SvIV(*MARK);
4796 else if (*MARK == &PL_sv_undef)
4799 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
4805 DIE("Too many args to syscall");
4807 DIE("Too few args to syscall");
4809 retval = syscall(a[0]);
4812 retval = syscall(a[0],a[1]);
4815 retval = syscall(a[0],a[1],a[2]);
4818 retval = syscall(a[0],a[1],a[2],a[3]);
4821 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4824 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4827 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4830 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4834 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4837 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4840 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4844 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4848 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4852 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4853 a[10],a[11],a[12],a[13]);
4855 #endif /* atarist */
4861 DIE(PL_no_func, "syscall");
4865 #ifdef FCNTL_EMULATE_FLOCK
4867 /* XXX Emulate flock() with fcntl().
4868 What's really needed is a good file locking module.
4872 fcntl_emulate_flock(int fd, int operation)
4876 switch (operation & ~LOCK_NB) {
4878 flock.l_type = F_RDLCK;
4881 flock.l_type = F_WRLCK;
4884 flock.l_type = F_UNLCK;
4890 flock.l_whence = SEEK_SET;
4891 flock.l_start = flock.l_len = 0L;
4893 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4896 #endif /* FCNTL_EMULATE_FLOCK */
4898 #ifdef LOCKF_EMULATE_FLOCK
4900 /* XXX Emulate flock() with lockf(). This is just to increase
4901 portability of scripts. The calls are not completely
4902 interchangeable. What's really needed is a good file
4906 /* The lockf() constants might have been defined in <unistd.h>.
4907 Unfortunately, <unistd.h> causes troubles on some mixed
4908 (BSD/POSIX) systems, such as SunOS 4.1.3.
4910 Further, the lockf() constants aren't POSIX, so they might not be
4911 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4912 just stick in the SVID values and be done with it. Sigh.
4916 # define F_ULOCK 0 /* Unlock a previously locked region */
4919 # define F_LOCK 1 /* Lock a region for exclusive use */
4922 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4925 # define F_TEST 3 /* Test a region for other processes locks */
4929 lockf_emulate_flock (fd, operation)
4937 /* flock locks entire file so for lockf we need to do the same */
4939 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4940 if (pos > 0) /* is seekable and needs to be repositioned */
4941 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
4942 pos = -1; /* seek failed, so don't seek back afterwards */
4945 switch (operation) {
4947 /* LOCK_SH - get a shared lock */
4949 /* LOCK_EX - get an exclusive lock */
4951 i = lockf (fd, F_LOCK, 0);
4954 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4955 case LOCK_SH|LOCK_NB:
4956 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4957 case LOCK_EX|LOCK_NB:
4958 i = lockf (fd, F_TLOCK, 0);
4960 if ((errno == EAGAIN) || (errno == EACCES))
4961 errno = EWOULDBLOCK;
4964 /* LOCK_UN - unlock (non-blocking is a no-op) */
4966 case LOCK_UN|LOCK_NB:
4967 i = lockf (fd, F_ULOCK, 0);
4970 /* Default - can't decipher operation */
4977 if (pos > 0) /* need to restore position of the handle */
4978 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
4983 #endif /* LOCKF_EMULATE_FLOCK */