3 * Copyright (c) 1991-1997, 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 * "It's a big house this, and very peculiar. Always a bit more to discover,
12 * and no knowing what you'll find around a corner. And Elves, sir!" --Samwise
19 * The compiler on Concurrent CX/UX systems has a subtle bug which only
20 * seems to show up when compiling pp.c - it generates the wrong double
21 * precision constant value for (double)UV_MAX when used inline in the body
22 * of the code below, so this makes a static variable up front (which the
23 * compiler seems to get correct) and uses it in place of UV_MAX below.
25 #ifdef CXUX_BROKEN_CONSTANT_CONVERT
26 static double UV_MAX_cxux = ((double)UV_MAX);
30 * Types used in bitwise operations.
32 * Normally we'd just use IV and UV. However, some hardware and
33 * software combinations (e.g. Alpha and current OSF/1) don't have a
34 * floating-point type to use for NV that has adequate bits to fully
35 * hold an IV/UV. (In other words, sizeof(long) == sizeof(double).)
37 * It just so happens that "int" is the right size almost everywhere.
43 * Mask used after bitwise operations.
45 * There is at least one realm (Cray word machines) that doesn't
46 * have an integral type (except char) small enough to be represented
47 * in a double without loss; that is, it has no 32-bit type.
49 #if LONGSIZE > 4 && defined(_CRAY) && !defined(_CRAYMPP)
51 # define BW_MASK ((1 << BW_BITS) - 1)
52 # define BW_SIGN (1 << (BW_BITS - 1))
53 # define BWi(i) (((i) & BW_SIGN) ? ((i) | ~BW_MASK) : ((i) & BW_MASK))
54 # define BWu(u) ((u) & BW_MASK)
61 * Offset for integer pack/unpack.
63 * On architectures where I16 and I32 aren't really 16 and 32 bits,
64 * which for now are all Crays, pack and unpack have to play games.
68 * These values are required for portability of pack() output.
69 * If they're not right on your machine, then pack() and unpack()
70 * wouldn't work right anyway; you'll need to apply the Cray hack.
71 * (I'd like to check them with #if, but you can't use sizeof() in
72 * the preprocessor.) --???
75 The appropriate SHORTSIZE, INTSIZE, LONGSIZE, and LONGLONGSIZE
76 defines are now in config.h. --Andy Dougherty April 1998
81 #if BYTEORDER > 0xFFFF && defined(_CRAY) && !defined(_CRAYMPP)
82 # if BYTEORDER == 0x12345678
83 # define OFF16(p) (char*)(p)
84 # define OFF32(p) (char*)(p)
86 # if BYTEORDER == 0x87654321
87 # define OFF16(p) ((char*)(p) + (sizeof(U16) - SIZE16))
88 # define OFF32(p) ((char*)(p) + (sizeof(U32) - SIZE32))
90 }}}} bad cray byte order
93 # define COPY16(s,p) (*(p) = 0, Copy(s, OFF16(p), SIZE16, char))
94 # define COPY32(s,p) (*(p) = 0, Copy(s, OFF32(p), SIZE32, char))
95 # define CAT16(sv,p) sv_catpvn(sv, OFF16(p), SIZE16)
96 # define CAT32(sv,p) sv_catpvn(sv, OFF32(p), SIZE32)
98 # define COPY16(s,p) Copy(s, p, SIZE16, char)
99 # define COPY32(s,p) Copy(s, p, SIZE32, char)
100 # define CAT16(sv,p) sv_catpvn(sv, (char*)(p), SIZE16)
101 # define CAT32(sv,p) sv_catpvn(sv, (char*)(p), SIZE32)
104 static void doencodes _((SV* sv, char* s, I32 len));
105 static SV* refto _((SV* sv));
106 static U32 seed _((void));
108 static bool srand_called = FALSE;
110 /* variations on pp_null */
116 /* XXX I can't imagine anyone who doesn't have this actually _needs_
117 it, since pid_t is an integral type.
120 #ifdef NEED_GETPID_PROTO
121 extern Pid_t getpid (void);
127 if (GIMME_V == G_SCALAR)
142 if (op->op_private & OPpLVAL_INTRO)
143 SAVECLEARSV(curpad[op->op_targ]);
145 if (op->op_flags & OPf_REF) {
149 if (GIMME == G_ARRAY) {
150 I32 maxarg = AvFILL((AV*)TARG) + 1;
152 if (SvMAGICAL(TARG)) {
154 for (i=0; i < maxarg; i++) {
155 SV **svp = av_fetch((AV*)TARG, i, FALSE);
156 SP[i+1] = (svp) ? *svp : &sv_undef;
160 Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*);
165 SV* sv = sv_newmortal();
166 I32 maxarg = AvFILL((AV*)TARG) + 1;
167 sv_setiv(sv, maxarg);
179 if (op->op_private & OPpLVAL_INTRO)
180 SAVECLEARSV(curpad[op->op_targ]);
181 if (op->op_flags & OPf_REF)
184 if (gimme == G_ARRAY) {
185 RETURNOP(do_kv(ARGS));
187 else if (gimme == G_SCALAR) {
188 SV* sv = sv_newmortal();
189 if (HvFILL((HV*)TARG))
190 sv_setpvf(sv, "%ld/%ld",
191 (long)HvFILL((HV*)TARG), (long)HvMAX((HV*)TARG) + 1);
201 DIE("NOT IMPL LINE %d",__LINE__);
213 if (SvTYPE(sv) == SVt_PVIO) {
214 GV *gv = (GV*) sv_newmortal();
215 gv_init(gv, 0, "", 0, 0);
216 GvIOp(gv) = (IO *)sv;
217 (void)SvREFCNT_inc(sv);
219 } else if (SvTYPE(sv) != SVt_PVGV)
220 DIE("Not a GLOB reference");
223 if (SvTYPE(sv) != SVt_PVGV) {
226 if (SvGMAGICAL(sv)) {
232 if (op->op_flags & OPf_REF ||
233 op->op_private & HINT_STRICT_REFS)
234 DIE(no_usym, "a symbol");
240 if (op->op_private & HINT_STRICT_REFS)
241 DIE(no_symref, sym, "a symbol");
242 sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV);
245 if (op->op_private & OPpLVAL_INTRO)
246 save_gp((GV*)sv, !(op->op_flags & OPf_SPECIAL));
258 switch (SvTYPE(sv)) {
262 DIE("Not a SCALAR reference");
269 if (SvTYPE(gv) != SVt_PVGV) {
270 if (SvGMAGICAL(sv)) {
276 if (op->op_flags & OPf_REF ||
277 op->op_private & HINT_STRICT_REFS)
278 DIE(no_usym, "a SCALAR");
284 if (op->op_private & HINT_STRICT_REFS)
285 DIE(no_symref, sym, "a SCALAR");
286 gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV);
290 if (op->op_flags & OPf_MOD) {
291 if (op->op_private & OPpLVAL_INTRO)
292 sv = save_scalar((GV*)TOPs);
293 else if (op->op_private & OPpDEREF)
294 vivify_ref(sv, op->op_private & OPpDEREF);
304 SV *sv = AvARYLEN(av);
306 AvARYLEN(av) = sv = NEWSV(0,0);
307 sv_upgrade(sv, SVt_IV);
308 sv_magic(sv, (SV*)av, '#', Nullch, 0);
316 djSP; dTARGET; dPOPss;
318 if (op->op_flags & OPf_MOD) {
319 if (SvTYPE(TARG) < SVt_PVLV) {
320 sv_upgrade(TARG, SVt_PVLV);
321 sv_magic(TARG, Nullsv, '.', Nullch, 0);
325 if (LvTARG(TARG) != sv) {
327 SvREFCNT_dec(LvTARG(TARG));
328 LvTARG(TARG) = SvREFCNT_inc(sv);
330 PUSHs(TARG); /* no SvSETMAGIC */
336 if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) {
337 mg = mg_find(sv, 'g');
338 if (mg && mg->mg_len >= 0) {
339 PUSHi(mg->mg_len + curcop->cop_arybase);
353 /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */
354 /* (But not in defined().) */
355 CV *cv = sv_2cv(TOPs, &stash, &gv, !(op->op_flags & OPf_SPECIAL));
358 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
375 if (SvPOK(TOPs) && SvCUR(TOPs) >= 7) {
376 char *s = SvPVX(TOPs);
377 if (strnEQ(s, "CORE::", 6)) {
380 code = keyword(s + 6, SvCUR(TOPs) - 6);
381 if (code < 0) { /* Overridable. */
382 #define MAX_ARGS_OP ((sizeof(I32) - 1) * 2)
383 int i = 0, n = 0, seen_question = 0;
385 char str[ MAX_ARGS_OP * 2 + 2 ]; /* One ';', one '\0' */
387 while (i < MAXO) { /* The slow way. */
388 if (strEQ(s + 6, op_name[i]) || strEQ(s + 6, op_desc[i]))
392 goto nonesuch; /* Should not happen... */
394 oa = opargs[i] >> OASHIFT;
396 if (oa & OA_OPTIONAL) {
399 } else if (seen_question)
400 goto set; /* XXXX system, exec */
401 if ((oa & (OA_OPTIONAL - 1)) >= OA_AVREF
402 && (oa & (OA_OPTIONAL - 1)) <= OA_HVREF) {
405 /* What to do with R ((un)tie, tied, (sys)read, recv)? */
406 str[n++] = ("?$@@%&*$")[oa & (OA_OPTIONAL - 1)];
410 ret = sv_2mortal(newSVpv(str, n - 1));
411 } else if (code) /* Non-Overridable */
413 else { /* None such */
415 croak("Cannot find an opnumber for \"%s\"", s+6);
419 cv = sv_2cv(TOPs, &stash, &gv, FALSE);
421 ret = sv_2mortal(newSVpv(SvPVX(cv), SvCUR(cv)));
430 CV* cv = (CV*)curpad[op->op_targ];
432 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
448 if (GIMME != G_ARRAY) {
453 *MARK = refto(*MARK);
457 EXTEND_MORTAL(SP - MARK);
459 *MARK = refto(*MARK);
468 if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') {
471 if (!(sv = LvTARG(sv)))
474 else if (SvPADTMP(sv))
478 (void)SvREFCNT_inc(sv);
481 sv_upgrade(rv, SVt_RV);
495 if (sv && SvGMAGICAL(sv))
498 if (!sv || !SvROK(sv))
502 pv = sv_reftype(sv,TRUE);
503 PUSHp(pv, strlen(pv));
513 stash = curcop->cop_stash;
517 char *ptr = SvPV(ssv,len);
518 if (dowarn && len == 0)
519 warn("Explicit blessing to '' (assuming package main)");
520 stash = gv_stashpvn(ptr, len, TRUE);
523 (void)sv_bless(TOPs, stash);
540 switch (elem ? *elem : '\0')
543 if (strEQ(elem, "ARRAY"))
547 if (strEQ(elem, "CODE"))
548 ref = (SV*)GvCVu(gv);
551 if (strEQ(elem, "FILEHANDLE")) /* XXX deprecate in 5.005 */
552 ref = (SV*)GvIOp(gv);
555 if (strEQ(elem, "GLOB"))
559 if (strEQ(elem, "HASH"))
563 if (strEQ(elem, "IO"))
564 ref = (SV*)GvIOp(gv);
567 if (strEQ(elem, "NAME"))
568 sv = newSVpv(GvNAME(gv), GvNAMELEN(gv));
571 if (strEQ(elem, "PACKAGE"))
572 sv = newSVpv(HvNAME(GvSTASH(gv)), 0);
575 if (strEQ(elem, "SCALAR"))
589 /* Pattern matching */
594 register UNOP *unop = cUNOP;
595 register unsigned char *s;
598 register I32 *sfirst;
602 if(unop->op_first && unop->op_first->op_type == OP_PUSHRE) {
603 PMOP *pm = (PMOP *)unop->op_first;
604 SV *rv = sv_newmortal();
605 sv = newSVrv(rv, "Regexp");
606 sv_magic(sv,(SV*)ReREFCNT_inc(pm->op_pmregexp),'r',0,0);
610 if (sv == lastscream) {
616 SvSCREAM_off(lastscream);
617 SvREFCNT_dec(lastscream);
619 lastscream = SvREFCNT_inc(sv);
622 s = (unsigned char*)(SvPV(sv, len));
626 if (pos > maxscream) {
628 maxscream = pos + 80;
629 New(301, screamfirst, 256, I32);
630 New(302, screamnext, maxscream, I32);
633 maxscream = pos + pos / 4;
634 Renew(screamnext, maxscream, I32);
638 sfirst = screamfirst;
641 if (!sfirst || !snext)
642 DIE("do_study: out of memory");
644 for (ch = 256; ch; --ch)
651 snext[pos] = sfirst[ch] - pos;
658 sv_magic(sv, Nullsv, 'g', Nullch, 0); /* piggyback on m//g magic */
667 if (op->op_flags & OPf_STACKED)
673 TARG = sv_newmortal();
674 PUSHi(do_trans(sv, op));
678 /* Lvalue operators. */
690 djSP; dMARK; dTARGET;
700 SETi(do_chomp(TOPs));
706 djSP; dMARK; dTARGET;
707 register I32 count = 0;
710 count += do_chomp(POPs);
721 if (!sv || !SvANY(sv))
723 switch (SvTYPE(sv)) {
725 if (AvMAX(sv) >= 0 || SvGMAGICAL(sv))
729 if (HvARRAY(sv) || SvGMAGICAL(sv))
733 if (CvROOT(sv) || CvXSUB(sv))
750 if (!op->op_private) {
759 if (SvTHINKFIRST(sv)) {
766 switch (SvTYPE(sv)) {
776 if (cv_const_sv((CV*)sv))
777 warn("Constant subroutine %s undefined",
778 CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv)));
781 { GV* gv = (GV*)SvREFCNT_inc(CvGV((CV*)sv));
783 CvGV((CV*)sv) = gv; } /* let user-undef'd sub keep its identity */
787 SvSetMagicSV(sv, &sv_undef);
791 Newz(602, gp, 1, GP);
792 GvGP(sv) = gp_ref(gp);
793 GvSV(sv) = NEWSV(72,0);
794 GvLINE(sv) = curcop->cop_line;
800 if (SvTYPE(sv) >= SVt_PV && SvPVX(sv) && SvLEN(sv)) {
803 SvPV_set(sv, Nullch);
816 if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV)
818 if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) &&
819 SvIVX(TOPs) != IV_MIN)
822 SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK);
833 if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV)
835 sv_setsv(TARG, TOPs);
836 if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) &&
837 SvIVX(TOPs) != IV_MAX)
840 SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK);
854 if(SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV)
856 sv_setsv(TARG, TOPs);
857 if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) &&
858 SvIVX(TOPs) != IV_MIN)
861 SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK);
870 /* Ordinary operators. */
874 djSP; dATARGET; tryAMAGICbin(pow,opASSIGN);
877 SETn( pow( left, right) );
884 djSP; dATARGET; tryAMAGICbin(mult,opASSIGN);
887 SETn( left * right );
894 djSP; dATARGET; tryAMAGICbin(div,opASSIGN);
899 DIE("Illegal division by zero");
901 /* insure that 20./5. == 4. */
904 if ((double)I_V(left) == left &&
905 (double)I_V(right) == right &&
906 (k = I_V(left)/I_V(right))*I_V(right) == I_V(left)) {
909 value = left / right;
913 value = left / right;
922 djSP; dATARGET; tryAMAGICbin(mod,opASSIGN);
930 if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) {
932 right = (right_neg = (i < 0)) ? -i : i;
936 right = U_V((right_neg = (n < 0)) ? -n : n);
939 if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) {
941 left = (left_neg = (i < 0)) ? -i : i;
945 left = U_V((left_neg = (n < 0)) ? -n : n);
949 DIE("Illegal modulus zero");
952 if ((left_neg != right_neg) && ans)
955 /* XXX may warn: unary minus operator applied to unsigned type */
956 /* could change -foo to be (~foo)+1 instead */
957 if (ans <= ~((UV)IV_MAX)+1)
958 sv_setiv(TARG, ~ans+1);
960 sv_setnv(TARG, -(double)ans);
971 djSP; dATARGET; tryAMAGICbin(repeat,opASSIGN);
973 register I32 count = POPi;
974 if (GIMME == G_ARRAY && op->op_private & OPpREPEAT_DOLIST) {
976 I32 items = SP - MARK;
988 repeatcpy((char*)(MARK + items), (char*)MARK,
989 items * sizeof(SV*), count - 1);
995 else { /* Note: mark already snarfed by pp_list */
1000 if (TARG == tmpstr && SvTHINKFIRST(tmpstr)) {
1001 if (SvREADONLY(tmpstr) && curcop != &compiling)
1002 DIE("Can't x= to readonly value");
1006 SvSetSV(TARG, tmpstr);
1007 SvPV_force(TARG, len);
1012 SvGROW(TARG, (count * len) + 1);
1013 repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1);
1014 SvCUR(TARG) *= count;
1016 *SvEND(TARG) = '\0';
1018 (void)SvPOK_only(TARG);
1027 djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN);
1030 SETn( left - right );
1037 djSP; dATARGET; tryAMAGICbin(lshift,opASSIGN);
1040 if (op->op_private & HINT_INTEGER) {
1042 i = BWi(i) << shift;
1056 djSP; dATARGET; tryAMAGICbin(rshift,opASSIGN);
1059 if (op->op_private & HINT_INTEGER) {
1061 i = BWi(i) >> shift;
1075 djSP; tryAMAGICbinSET(lt,0);
1078 SETs(boolSV(TOPn < value));
1085 djSP; tryAMAGICbinSET(gt,0);
1088 SETs(boolSV(TOPn > value));
1095 djSP; tryAMAGICbinSET(le,0);
1098 SETs(boolSV(TOPn <= value));
1105 djSP; tryAMAGICbinSET(ge,0);
1108 SETs(boolSV(TOPn >= value));
1115 djSP; tryAMAGICbinSET(ne,0);
1118 SETs(boolSV(TOPn != value));
1125 djSP; dTARGET; tryAMAGICbin(ncmp,0);
1132 else if (left < right)
1134 else if (left > right)
1147 djSP; tryAMAGICbinSET(slt,0);
1150 int cmp = ((op->op_private & OPpLOCALE)
1151 ? sv_cmp_locale(left, right)
1152 : sv_cmp(left, right));
1153 SETs(boolSV(cmp < 0));
1160 djSP; tryAMAGICbinSET(sgt,0);
1163 int cmp = ((op->op_private & OPpLOCALE)
1164 ? sv_cmp_locale(left, right)
1165 : sv_cmp(left, right));
1166 SETs(boolSV(cmp > 0));
1173 djSP; tryAMAGICbinSET(sle,0);
1176 int cmp = ((op->op_private & OPpLOCALE)
1177 ? sv_cmp_locale(left, right)
1178 : sv_cmp(left, right));
1179 SETs(boolSV(cmp <= 0));
1186 djSP; tryAMAGICbinSET(sge,0);
1189 int cmp = ((op->op_private & OPpLOCALE)
1190 ? sv_cmp_locale(left, right)
1191 : sv_cmp(left, right));
1192 SETs(boolSV(cmp >= 0));
1199 djSP; tryAMAGICbinSET(seq,0);
1202 SETs(boolSV(sv_eq(left, right)));
1209 djSP; tryAMAGICbinSET(sne,0);
1212 SETs(boolSV(!sv_eq(left, right)));
1219 djSP; dTARGET; tryAMAGICbin(scmp,0);
1222 int cmp = ((op->op_private & OPpLOCALE)
1223 ? sv_cmp_locale(left, right)
1224 : sv_cmp(left, right));
1232 djSP; dATARGET; tryAMAGICbin(band,opASSIGN);
1235 if (SvNIOKp(left) || SvNIOKp(right)) {
1236 if (op->op_private & HINT_INTEGER) {
1237 IBW value = SvIV(left) & SvIV(right);
1241 UBW value = SvUV(left) & SvUV(right);
1246 do_vop(op->op_type, TARG, left, right);
1255 djSP; dATARGET; tryAMAGICbin(bxor,opASSIGN);
1258 if (SvNIOKp(left) || SvNIOKp(right)) {
1259 if (op->op_private & HINT_INTEGER) {
1260 IBW value = (USE_LEFT(left) ? SvIV(left) : 0) ^ SvIV(right);
1264 UBW value = (USE_LEFT(left) ? SvUV(left) : 0) ^ SvUV(right);
1269 do_vop(op->op_type, TARG, left, right);
1278 djSP; dATARGET; tryAMAGICbin(bor,opASSIGN);
1281 if (SvNIOKp(left) || SvNIOKp(right)) {
1282 if (op->op_private & HINT_INTEGER) {
1283 IBW value = (USE_LEFT(left) ? SvIV(left) : 0) | SvIV(right);
1287 UBW value = (USE_LEFT(left) ? SvUV(left) : 0) | SvUV(right);
1292 do_vop(op->op_type, TARG, left, right);
1301 djSP; dTARGET; tryAMAGICun(neg);
1306 if (SvIOKp(sv) && !SvNOKp(sv) && !SvPOKp(sv) && SvIVX(sv) != IV_MIN)
1308 else if (SvNIOKp(sv))
1310 else if (SvPOKp(sv)) {
1312 char *s = SvPV(sv, len);
1313 if (isIDFIRST(*s)) {
1314 sv_setpvn(TARG, "-", 1);
1317 else if (*s == '+' || *s == '-') {
1319 *SvPV_force(TARG, len) = *s == '-' ? '+' : '-';
1322 sv_setnv(TARG, -SvNV(sv));
1334 djSP; tryAMAGICunSET(not);
1335 #endif /* OVERLOAD */
1336 *stack_sp = boolSV(!SvTRUE(*stack_sp));
1342 djSP; dTARGET; tryAMAGICun(compl);
1346 if (op->op_private & HINT_INTEGER) {
1347 IBW value = ~SvIV(sv);
1351 UBW value = ~SvUV(sv);
1356 register char *tmps;
1357 register long *tmpl;
1362 tmps = SvPV_force(TARG, len);
1365 for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++)
1368 for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++)
1372 for ( ; anum > 0; anum--, tmps++)
1381 /* integer versions of some of the above */
1385 djSP; dATARGET; tryAMAGICbin(mult,opASSIGN);
1388 SETi( left * right );
1395 djSP; dATARGET; tryAMAGICbin(div,opASSIGN);
1399 DIE("Illegal division by zero");
1400 value = POPi / value;
1408 djSP; dATARGET; tryAMAGICbin(mod,opASSIGN);
1412 DIE("Illegal modulus zero");
1413 SETi( left % right );
1420 djSP; dATARGET; tryAMAGICbin(add,opASSIGN);
1423 SETi( left + right );
1430 djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN);
1433 SETi( left - right );
1440 djSP; tryAMAGICbinSET(lt,0);
1443 SETs(boolSV(left < right));
1450 djSP; tryAMAGICbinSET(gt,0);
1453 SETs(boolSV(left > right));
1460 djSP; tryAMAGICbinSET(le,0);
1463 SETs(boolSV(left <= right));
1470 djSP; tryAMAGICbinSET(ge,0);
1473 SETs(boolSV(left >= right));
1480 djSP; tryAMAGICbinSET(eq,0);
1483 SETs(boolSV(left == right));
1490 djSP; tryAMAGICbinSET(ne,0);
1493 SETs(boolSV(left != right));
1500 djSP; dTARGET; tryAMAGICbin(ncmp,0);
1507 else if (left < right)
1518 djSP; dTARGET; tryAMAGICun(neg);
1523 /* High falutin' math. */
1527 djSP; dTARGET; tryAMAGICbin(atan2,0);
1530 SETn(atan2(left, right));
1537 djSP; dTARGET; tryAMAGICun(sin);
1549 djSP; dTARGET; tryAMAGICun(cos);
1569 if (!srand_called) {
1570 (void)srand((unsigned)seed());
1571 srand_called = TRUE;
1574 value = rand() * value / 2147483648.0;
1577 value = rand() * value / 65536.0;
1580 value = rand() * value / 32768.0;
1582 value = rand() * value / (double)(((unsigned long)1) << RANDBITS);
1598 (void)srand((unsigned)anum);
1599 srand_called = TRUE;
1608 * This is really just a quick hack which grabs various garbage
1609 * values. It really should be a real hash algorithm which
1610 * spreads the effect of every input bit onto every output bit,
1611 * if someone who knows about such tings would bother to write it.
1612 * Might be a good idea to add that function to CORE as well.
1613 * No numbers below come from careful analysis or anyting here,
1614 * except they are primes and SEED_C1 > 1E6 to get a full-width
1615 * value from (tv_sec * SEED_C1 + tv_usec). The multipliers should
1616 * probably be bigger too.
1619 # define SEED_C1 1000003
1620 #define SEED_C4 73819
1622 # define SEED_C1 25747
1623 #define SEED_C4 20639
1627 #define SEED_C5 26107
1632 # include <starlet.h>
1633 /* when[] = (low 32 bits, high 32 bits) of time since epoch
1634 * in 100-ns units, typically incremented ever 10 ms. */
1635 unsigned int when[2];
1636 _ckvmssts(sys$gettim(when));
1637 u = (U32)SEED_C1 * when[0] + (U32)SEED_C2 * when[1];
1639 # ifdef HAS_GETTIMEOFDAY
1640 struct timeval when;
1641 gettimeofday(&when,(struct timezone *) 0);
1642 u = (U32)SEED_C1 * when.tv_sec + (U32)SEED_C2 * when.tv_usec;
1646 u = (U32)SEED_C1 * when;
1649 u += SEED_C3 * (U32)getpid();
1650 u += SEED_C4 * (U32)(UV)stack_sp;
1651 #ifndef PLAN9 /* XXX Plan9 assembler chokes on this; fix needed */
1652 u += SEED_C5 * (U32)(UV)&when;
1659 djSP; dTARGET; tryAMAGICun(exp);
1671 djSP; dTARGET; tryAMAGICun(log);
1676 SET_NUMERIC_STANDARD();
1677 DIE("Can't take log of %g", value);
1687 djSP; dTARGET; tryAMAGICun(sqrt);
1692 SET_NUMERIC_STANDARD();
1693 DIE("Can't take sqrt of %g", value);
1695 value = sqrt(value);
1705 double value = TOPn;
1708 if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs)) {
1714 (void)modf(value, &value);
1716 (void)modf(-value, &value);
1731 djSP; dTARGET; tryAMAGICun(abs);
1733 double value = TOPn;
1736 if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs) &&
1737 (iv = SvIVX(TOPs)) != IV_MIN) {
1758 XPUSHu(scan_hex(tmps, 99, &argtype));
1770 while (*tmps && isSPACE(*tmps))
1775 value = scan_hex(++tmps, 99, &argtype);
1777 value = scan_oct(tmps, 99, &argtype);
1787 SETi( sv_len(TOPs) );
1801 I32 lvalue = op->op_flags & OPf_MOD;
1803 I32 arybase = curcop->cop_arybase;
1807 SvTAINTED_off(TARG); /* decontaminate */
1809 /* pop off replacement string */
1811 repl = SvPV(sv, repl_len);
1812 /* pop off length */
1818 } else if (MAXARG == 3) {
1826 tmps = SvPV(sv, curlen);
1827 if (pos >= arybase) {
1845 else if (len >= 0) {
1847 if (rem > (I32)curlen)
1861 if (dowarn || lvalue || repl)
1862 warn("substr outside of string");
1867 sv_setpvn(TARG, tmps, rem);
1868 if (lvalue) { /* it's an lvalue! */
1869 if (!SvGMAGICAL(sv)) {
1873 warn("Attempt to use reference as lvalue in substr");
1875 if (SvOK(sv)) /* is it defined ? */
1876 (void)SvPOK_only(sv);
1878 sv_setpvn(sv,"",0); /* avoid lexical reincarnation */
1881 if (SvTYPE(TARG) < SVt_PVLV) {
1882 sv_upgrade(TARG, SVt_PVLV);
1883 sv_magic(TARG, Nullsv, 'x', Nullch, 0);
1887 if (LvTARG(TARG) != sv) {
1889 SvREFCNT_dec(LvTARG(TARG));
1890 LvTARG(TARG) = SvREFCNT_inc(sv);
1892 LvTARGOFF(TARG) = pos;
1893 LvTARGLEN(TARG) = rem;
1896 sv_insert(sv, pos, rem, repl, repl_len);
1899 PUSHs(TARG); /* avoid SvSETMAGIC here */
1906 register I32 size = POPi;
1907 register I32 offset = POPi;
1908 register SV *src = POPs;
1909 I32 lvalue = op->op_flags & OPf_MOD;
1911 unsigned char *s = (unsigned char*)SvPV(src, srclen);
1912 unsigned long retnum;
1915 SvTAINTED_off(TARG); /* decontaminate */
1916 offset *= size; /* turn into bit offset */
1917 len = (offset + size + 7) / 8;
1918 if (offset < 0 || size < 1)
1921 if (lvalue) { /* it's an lvalue! */
1922 if (SvTYPE(TARG) < SVt_PVLV) {
1923 sv_upgrade(TARG, SVt_PVLV);
1924 sv_magic(TARG, Nullsv, 'v', Nullch, 0);
1928 if (LvTARG(TARG) != src) {
1930 SvREFCNT_dec(LvTARG(TARG));
1931 LvTARG(TARG) = SvREFCNT_inc(src);
1933 LvTARGOFF(TARG) = offset;
1934 LvTARGLEN(TARG) = size;
1942 if (offset >= srclen)
1945 retnum = (unsigned long) s[offset] << 8;
1947 else if (size == 32) {
1948 if (offset >= srclen)
1950 else if (offset + 1 >= srclen)
1951 retnum = (unsigned long) s[offset] << 24;
1952 else if (offset + 2 >= srclen)
1953 retnum = ((unsigned long) s[offset] << 24) +
1954 ((unsigned long) s[offset + 1] << 16);
1956 retnum = ((unsigned long) s[offset] << 24) +
1957 ((unsigned long) s[offset + 1] << 16) +
1958 (s[offset + 2] << 8);
1963 retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1);
1968 else if (size == 16)
1969 retnum = ((unsigned long) s[offset] << 8) + s[offset+1];
1970 else if (size == 32)
1971 retnum = ((unsigned long) s[offset] << 24) +
1972 ((unsigned long) s[offset + 1] << 16) +
1973 (s[offset + 2] << 8) + s[offset+3];
1977 sv_setuv(TARG, (UV)retnum);
1992 I32 arybase = curcop->cop_arybase;
1997 offset = POPi - arybase;
2000 tmps = SvPV(big, biglen);
2003 else if (offset > biglen)
2005 if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset,
2006 (unsigned char*)tmps + biglen, little)))
2007 retval = -1 + arybase;
2009 retval = tmps2 - tmps + arybase;
2026 I32 arybase = curcop->cop_arybase;
2032 tmps2 = SvPV(little, llen);
2033 tmps = SvPV(big, blen);
2037 offset = SvIV(offstr) - arybase + llen;
2040 else if (offset > blen)
2042 if (!(tmps2 = rninstr(tmps, tmps + offset,
2043 tmps2, tmps2 + llen)))
2044 retval = -1 + arybase;
2046 retval = tmps2 - tmps + arybase;
2053 djSP; dMARK; dORIGMARK; dTARGET;
2054 #ifdef USE_LOCALE_NUMERIC
2055 if (op->op_private & OPpLOCALE)
2056 SET_NUMERIC_LOCAL();
2058 SET_NUMERIC_STANDARD();
2060 do_sprintf(TARG, SP-MARK, MARK+1);
2061 TAINT_IF(SvTAINTED(TARG));
2075 value = (I32) (*tmps & 255);
2080 value = (I32) (anum & 255);
2091 (void)SvUPGRADE(TARG,SVt_PV);
2097 (void)SvPOK_only(TARG);
2104 djSP; dTARGET; dPOPTOPssrl;
2106 char *tmps = SvPV(left, na);
2108 sv_setpv(TARG, fcrypt(tmps, SvPV(right, na)));
2110 sv_setpv(TARG, crypt(tmps, SvPV(right, na)));
2114 "The crypt() function is unimplemented due to excessive paranoia.");
2126 if (!SvPADTMP(sv)) {
2132 s = SvPV_force(sv, na);
2134 if (op->op_private & OPpLOCALE) {
2137 *s = toUPPER_LC(*s);
2152 if (!SvPADTMP(sv)) {
2158 s = SvPV_force(sv, na);
2160 if (op->op_private & OPpLOCALE) {
2163 *s = toLOWER_LC(*s);
2180 if (!SvPADTMP(sv)) {
2187 s = SvPV_force(sv, len);
2189 register char *send = s + len;
2191 if (op->op_private & OPpLOCALE) {
2194 for (; s < send; s++)
2195 *s = toUPPER_LC(*s);
2198 for (; s < send; s++)
2212 if (!SvPADTMP(sv)) {
2219 s = SvPV_force(sv, len);
2221 register char *send = s + len;
2223 if (op->op_private & OPpLOCALE) {
2226 for (; s < send; s++)
2227 *s = toLOWER_LC(*s);
2230 for (; s < send; s++)
2242 register char *s = SvPV(sv,len);
2246 (void)SvUPGRADE(TARG, SVt_PV);
2247 SvGROW(TARG, (len * 2) + 1);
2255 SvCUR_set(TARG, d - SvPVX(TARG));
2256 (void)SvPOK_only(TARG);
2259 sv_setpvn(TARG, s, len);
2268 djSP; dMARK; dORIGMARK;
2270 register AV* av = (AV*)POPs;
2271 register I32 lval = op->op_flags & OPf_MOD;
2272 I32 arybase = curcop->cop_arybase;
2275 if (SvTYPE(av) == SVt_PVAV) {
2276 if (lval && op->op_private & OPpLVAL_INTRO) {
2278 for (svp = MARK + 1; svp <= SP; svp++) {
2283 if (max > AvMAX(av))
2286 while (++MARK <= SP) {
2287 elem = SvIVx(*MARK);
2291 svp = av_fetch(av, elem, lval);
2293 if (!svp || *svp == &sv_undef)
2294 DIE(no_aelem, elem);
2295 if (op->op_private & OPpLVAL_INTRO)
2296 save_aelem(av, elem, svp);
2298 *MARK = svp ? *svp : &sv_undef;
2301 if (GIMME != G_ARRAY) {
2309 /* Associative arrays. */
2314 HV *hash = (HV*)POPs;
2316 I32 gimme = GIMME_V;
2317 I32 realhv = (SvTYPE(hash) == SVt_PVHV);
2320 /* might clobber stack_sp */
2321 entry = realhv ? hv_iternext(hash) : avhv_iternext((AV*)hash);
2326 PUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */
2327 if (gimme == G_ARRAY) {
2329 /* might clobber stack_sp */
2330 sv_setsv(TARG, realhv ?
2331 hv_iterval(hash, entry) : avhv_iterval((AV*)hash, entry));
2336 else if (gimme == G_SCALAR)
2355 I32 gimme = GIMME_V;
2356 I32 discard = (gimme == G_VOID) ? G_DISCARD : 0;
2360 if (op->op_private & OPpSLICE) {
2364 hvtype = SvTYPE(hv);
2365 while (++MARK <= SP) {
2366 if (hvtype == SVt_PVHV)
2367 sv = hv_delete_ent(hv, *MARK, discard, 0);
2368 else if (hvtype == SVt_PVAV)
2369 sv = avhv_delete_ent((AV*)hv, *MARK, discard, 0);
2371 DIE("Not a HASH reference");
2372 *MARK = sv ? sv : &sv_undef;
2376 else if (gimme == G_SCALAR) {
2385 if (SvTYPE(hv) == SVt_PVHV)
2386 sv = hv_delete_ent(hv, keysv, discard, 0);
2387 else if (SvTYPE(hv) == SVt_PVAV)
2388 sv = avhv_delete_ent((AV*)hv, keysv, discard, 0);
2390 DIE("Not a HASH reference");
2404 if (SvTYPE(hv) == SVt_PVHV) {
2405 if (hv_exists_ent(hv, tmpsv, 0))
2407 } else if (SvTYPE(hv) == SVt_PVAV) {
2408 if (avhv_exists_ent((AV*)hv, tmpsv, 0))
2411 DIE("Not a HASH reference");
2418 djSP; dMARK; dORIGMARK;
2420 register HV *hv = (HV*)POPs;
2421 register I32 lval = op->op_flags & OPf_MOD;
2422 I32 realhv = (SvTYPE(hv) == SVt_PVHV);
2424 if (realhv || SvTYPE(hv) == SVt_PVAV) {
2425 while (++MARK <= SP) {
2429 he = hv_fetch_ent(hv, keysv, lval, 0);
2430 svp = he ? &HeVAL(he) : 0;
2432 svp = avhv_fetch_ent((AV*)hv, keysv, lval, 0);
2435 if (!he || HeVAL(he) == &sv_undef)
2436 DIE(no_helem, SvPV(keysv, na));
2437 if (op->op_private & OPpLVAL_INTRO)
2438 save_helem(hv, keysv, &HeVAL(he));
2440 *MARK = he ? HeVAL(he) : &sv_undef;
2443 if (GIMME != G_ARRAY) {
2451 /* List operators. */
2456 if (GIMME != G_ARRAY) {
2458 *MARK = *SP; /* unwanted list, return last item */
2469 SV **lastrelem = stack_sp;
2470 SV **lastlelem = stack_base + POPMARK;
2471 SV **firstlelem = stack_base + POPMARK + 1;
2472 register SV **firstrelem = lastlelem + 1;
2473 I32 arybase = curcop->cop_arybase;
2474 I32 lval = op->op_flags & OPf_MOD;
2475 I32 is_something_there = lval;
2477 register I32 max = lastrelem - lastlelem;
2478 register SV **lelem;
2481 if (GIMME != G_ARRAY) {
2482 ix = SvIVx(*lastlelem);
2487 if (ix < 0 || ix >= max)
2488 *firstlelem = &sv_undef;
2490 *firstlelem = firstrelem[ix];
2496 SP = firstlelem - 1;
2500 for (lelem = firstlelem; lelem <= lastlelem; lelem++) {
2506 else if (!(*lelem = firstrelem[ix]))
2511 if (ix >= max || !(*lelem = firstrelem[ix]))
2514 if (!is_something_there && (SvOK(*lelem) || SvGMAGICAL(*lelem)))
2515 is_something_there = TRUE;
2517 if (is_something_there)
2520 SP = firstlelem - 1;
2526 djSP; dMARK; dORIGMARK;
2527 I32 items = SP - MARK;
2528 SV *av = sv_2mortal((SV*)av_make(items, MARK+1));
2529 SP = ORIGMARK; /* av_make() might realloc stack_sp */
2536 djSP; dMARK; dORIGMARK;
2537 HV* hv = (HV*)sv_2mortal((SV*)newHV());
2541 SV *val = NEWSV(46, 0);
2543 sv_setsv(val, *++MARK);
2545 warn("Odd number of elements in hash assignment");
2546 (void)hv_store_ent(hv,key,val,0);
2555 djSP; dMARK; dORIGMARK;
2556 register AV *ary = (AV*)*++MARK;
2560 register I32 offset;
2561 register I32 length;
2568 if (SvRMAGICAL(ary) && (mg = mg_find((SV*)ary,'P'))) {
2569 *MARK-- = mg->mg_obj;
2573 perl_call_method("SPLICE",GIMME_V);
2582 offset = i = SvIVx(*MARK);
2584 offset += AvFILLp(ary) + 1;
2586 offset -= curcop->cop_arybase;
2590 length = SvIVx(*MARK++);
2595 length = AvMAX(ary) + 1; /* close enough to infinity */
2599 length = AvMAX(ary) + 1;
2601 if (offset > AvFILLp(ary) + 1)
2602 offset = AvFILLp(ary) + 1;
2603 after = AvFILLp(ary) + 1 - (offset + length);
2604 if (after < 0) { /* not that much array */
2605 length += after; /* offset+length now in array */
2611 /* At this point, MARK .. SP-1 is our new LIST */
2614 diff = newlen - length;
2615 if (newlen && !AvREAL(ary)) {
2619 assert(AvREAL(ary)); /* would leak, so croak */
2622 if (diff < 0) { /* shrinking the area */
2624 New(451, tmparyval, newlen, SV*); /* so remember insertion */
2625 Copy(MARK, tmparyval, newlen, SV*);
2628 MARK = ORIGMARK + 1;
2629 if (GIMME == G_ARRAY) { /* copy return vals to stack */
2630 MEXTEND(MARK, length);
2631 Copy(AvARRAY(ary)+offset, MARK, length, SV*);
2633 EXTEND_MORTAL(length);
2634 for (i = length, dst = MARK; i; i--) {
2635 if (!SvIMMORTAL(*dst))
2636 sv_2mortal(*dst); /* free them eventualy */
2643 *MARK = AvARRAY(ary)[offset+length-1];
2645 if (!SvIMMORTAL(*MARK))
2647 for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--)
2648 SvREFCNT_dec(*dst++); /* free them now */
2651 AvFILLp(ary) += diff;
2653 /* pull up or down? */
2655 if (offset < after) { /* easier to pull up */
2656 if (offset) { /* esp. if nothing to pull */
2657 src = &AvARRAY(ary)[offset-1];
2658 dst = src - diff; /* diff is negative */
2659 for (i = offset; i > 0; i--) /* can't trust Copy */
2663 SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */
2667 if (after) { /* anything to pull down? */
2668 src = AvARRAY(ary) + offset + length;
2669 dst = src + diff; /* diff is negative */
2670 Move(src, dst, after, SV*);
2672 dst = &AvARRAY(ary)[AvFILLp(ary)+1];
2673 /* avoid later double free */
2677 dst[--i] = &sv_undef;
2680 for (src = tmparyval, dst = AvARRAY(ary) + offset;
2682 *dst = NEWSV(46, 0);
2683 sv_setsv(*dst++, *src++);
2685 Safefree(tmparyval);
2688 else { /* no, expanding (or same) */
2690 New(452, tmparyval, length, SV*); /* so remember deletion */
2691 Copy(AvARRAY(ary)+offset, tmparyval, length, SV*);
2694 if (diff > 0) { /* expanding */
2696 /* push up or down? */
2698 if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) {
2702 Move(src, dst, offset, SV*);
2704 SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */
2706 AvFILLp(ary) += diff;
2709 if (AvFILLp(ary) + diff >= AvMAX(ary)) /* oh, well */
2710 av_extend(ary, AvFILLp(ary) + diff);
2711 AvFILLp(ary) += diff;
2714 dst = AvARRAY(ary) + AvFILLp(ary);
2716 for (i = after; i; i--) {
2723 for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) {
2724 *dst = NEWSV(46, 0);
2725 sv_setsv(*dst++, *src++);
2727 MARK = ORIGMARK + 1;
2728 if (GIMME == G_ARRAY) { /* copy return vals to stack */
2730 Copy(tmparyval, MARK, length, SV*);
2732 EXTEND_MORTAL(length);
2733 for (i = length, dst = MARK; i; i--) {
2734 if (!SvIMMORTAL(*dst))
2735 sv_2mortal(*dst); /* free them eventualy */
2739 Safefree(tmparyval);
2743 else if (length--) {
2744 *MARK = tmparyval[length];
2746 if (!SvIMMORTAL(*MARK))
2748 while (length-- > 0)
2749 SvREFCNT_dec(tmparyval[length]);
2751 Safefree(tmparyval);
2762 djSP; dMARK; dORIGMARK; dTARGET;
2763 register AV *ary = (AV*)*++MARK;
2764 register SV *sv = &sv_undef;
2767 if (SvRMAGICAL(ary) && (mg = mg_find((SV*)ary,'P'))) {
2768 *MARK-- = mg->mg_obj;
2772 perl_call_method("PUSH",G_SCALAR|G_DISCARD);
2777 /* Why no pre-extend of ary here ? */
2778 for (++MARK; MARK <= SP; MARK++) {
2781 sv_setsv(sv, *MARK);
2786 PUSHi( AvFILL(ary) + 1 );
2794 SV *sv = av_pop(av);
2795 if (!SvIMMORTAL(sv) && AvREAL(av))
2796 (void)sv_2mortal(sv);
2805 SV *sv = av_shift(av);
2809 if (!SvIMMORTAL(sv) && AvREAL(av))
2810 (void)sv_2mortal(sv);
2817 djSP; dMARK; dORIGMARK; dTARGET;
2818 register AV *ary = (AV*)*++MARK;
2823 if (SvRMAGICAL(ary) && (mg = mg_find((SV*)ary,'P'))) {
2824 *MARK-- = mg->mg_obj;
2828 perl_call_method("UNSHIFT",G_SCALAR|G_DISCARD);
2833 av_unshift(ary, SP - MARK);
2836 sv_setsv(sv, *++MARK);
2837 (void)av_store(ary, i++, sv);
2841 PUSHi( AvFILL(ary) + 1 );
2851 if (GIMME == G_ARRAY) {
2862 register char *down;
2868 do_join(TARG, &sv_no, MARK, SP);
2870 sv_setsv(TARG, (SP > MARK) ? *SP : DEFSV);
2871 up = SvPV_force(TARG, len);
2873 down = SvPVX(TARG) + len - 1;
2879 (void)SvPOK_only(TARG);
2888 mul128(SV *sv, U8 m)
2891 char *s = SvPV(sv, len);
2895 if (!strnEQ(s, "0000", 4)) { /* need to grow sv */
2896 SV *tmpNew = newSVpv("0000000000", 10);
2898 sv_catsv(tmpNew, sv);
2899 SvREFCNT_dec(sv); /* free old sv */
2904 while (!*t) /* trailing '\0'? */
2907 i = ((*t - '0') << 7) + m;
2908 *(t--) = '0' + (i % 10);
2914 /* Explosives and implosives. */
2921 I32 gimme = GIMME_V;
2925 register char *pat = SvPV(left, llen);
2926 register char *s = SvPV(right, rlen);
2927 char *strend = s + rlen;
2929 register char *patend = pat + llen;
2934 /* These must not be in registers: */
2945 unsigned Quad_t auquad;
2951 register U32 culong;
2953 static char* bitcount = 0;
2956 if (gimme != G_ARRAY) { /* arrange to do first one only */
2958 for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ;
2959 if (strchr("aAbBhHP", *patend) || *pat == '%') {
2961 while (isDIGIT(*patend) || *patend == '*')
2967 while (pat < patend) {
2969 datumtype = *pat++ & 0xFF;
2970 if (isSPACE(datumtype))
2974 else if (*pat == '*') {
2975 len = strend - strbeg; /* long enough */
2978 else if (isDIGIT(*pat)) {
2980 while (isDIGIT(*pat))
2981 len = (len * 10) + (*pat++ - '0');
2984 len = (datumtype != '@');
2987 croak("Invalid type in unpack: '%c'", (int)datumtype);
2988 case ',': /* grandfather in commas but with a warning */
2989 if (commas++ == 0 && dowarn)
2990 warn("Invalid type in unpack: '%c'", (int)datumtype);
2993 if (len == 1 && pat[-1] != '1')
3002 if (len > strend - strbeg)
3003 DIE("@ outside of string");
3007 if (len > s - strbeg)
3008 DIE("X outside of string");
3012 if (len > strend - s)
3013 DIE("x outside of string");
3018 if (len > strend - s)
3021 goto uchar_checksum;
3022 sv = NEWSV(35, len);
3023 sv_setpvn(sv, s, len);
3025 if (datumtype == 'A') {
3026 aptr = s; /* borrow register */
3027 s = SvPVX(sv) + len - 1;
3028 while (s >= SvPVX(sv) && (!*s || isSPACE(*s)))
3031 SvCUR_set(sv, s - SvPVX(sv));
3032 s = aptr; /* unborrow register */
3034 XPUSHs(sv_2mortal(sv));
3038 if (pat[-1] == '*' || len > (strend - s) * 8)
3039 len = (strend - s) * 8;
3042 Newz(601, bitcount, 256, char);
3043 for (bits = 1; bits < 256; bits++) {
3044 if (bits & 1) bitcount[bits]++;
3045 if (bits & 2) bitcount[bits]++;
3046 if (bits & 4) bitcount[bits]++;
3047 if (bits & 8) bitcount[bits]++;
3048 if (bits & 16) bitcount[bits]++;
3049 if (bits & 32) bitcount[bits]++;
3050 if (bits & 64) bitcount[bits]++;
3051 if (bits & 128) bitcount[bits]++;
3055 culong += bitcount[*(unsigned char*)s++];
3060 if (datumtype == 'b') {
3062 if (bits & 1) culong++;
3068 if (bits & 128) culong++;
3075 sv = NEWSV(35, len + 1);
3078 aptr = pat; /* borrow register */
3080 if (datumtype == 'b') {
3082 for (len = 0; len < aint; len++) {
3083 if (len & 7) /*SUPPRESS 595*/
3087 *pat++ = '0' + (bits & 1);
3092 for (len = 0; len < aint; len++) {
3097 *pat++ = '0' + ((bits & 128) != 0);
3101 pat = aptr; /* unborrow register */
3102 XPUSHs(sv_2mortal(sv));
3106 if (pat[-1] == '*' || len > (strend - s) * 2)
3107 len = (strend - s) * 2;
3108 sv = NEWSV(35, len + 1);
3111 aptr = pat; /* borrow register */
3113 if (datumtype == 'h') {
3115 for (len = 0; len < aint; len++) {
3120 *pat++ = hexdigit[bits & 15];
3125 for (len = 0; len < aint; len++) {
3130 *pat++ = hexdigit[(bits >> 4) & 15];
3134 pat = aptr; /* unborrow register */
3135 XPUSHs(sv_2mortal(sv));
3138 if (len > strend - s)
3143 if (aint >= 128) /* fake up signed chars */
3153 if (aint >= 128) /* fake up signed chars */
3156 sv_setiv(sv, (IV)aint);
3157 PUSHs(sv_2mortal(sv));
3162 if (len > strend - s)
3177 sv_setiv(sv, (IV)auint);
3178 PUSHs(sv_2mortal(sv));
3183 along = (strend - s) / SIZE16;
3200 sv_setiv(sv, (IV)ashort);
3201 PUSHs(sv_2mortal(sv));
3208 along = (strend - s) / SIZE16;
3213 COPY16(s, &aushort);
3216 if (datumtype == 'n')
3217 aushort = PerlSock_ntohs(aushort);
3220 if (datumtype == 'v')
3221 aushort = vtohs(aushort);
3230 COPY16(s, &aushort);
3234 if (datumtype == 'n')
3235 aushort = PerlSock_ntohs(aushort);
3238 if (datumtype == 'v')
3239 aushort = vtohs(aushort);
3241 sv_setiv(sv, (IV)aushort);
3242 PUSHs(sv_2mortal(sv));
3247 along = (strend - s) / sizeof(int);
3252 Copy(s, &aint, 1, int);
3255 cdouble += (double)aint;
3264 Copy(s, &aint, 1, int);
3268 /* Without the dummy below unpack("i", pack("i",-1))
3269 * return 0xFFffFFff instead of -1 for Digital Unix V4.0
3270 * cc with optimization turned on */
3272 sv_setiv(sv, (IV)aint) :
3274 sv_setiv(sv, (IV)aint);
3275 PUSHs(sv_2mortal(sv));
3280 along = (strend - s) / sizeof(unsigned int);
3285 Copy(s, &auint, 1, unsigned int);
3286 s += sizeof(unsigned int);
3288 cdouble += (double)auint;
3297 Copy(s, &auint, 1, unsigned int);
3298 s += sizeof(unsigned int);
3300 sv_setuv(sv, (UV)auint);
3301 PUSHs(sv_2mortal(sv));
3306 along = (strend - s) / SIZE32;
3314 cdouble += (double)along;
3326 sv_setiv(sv, (IV)along);
3327 PUSHs(sv_2mortal(sv));
3334 along = (strend - s) / SIZE32;
3342 if (datumtype == 'N')
3343 aulong = PerlSock_ntohl(aulong);
3346 if (datumtype == 'V')
3347 aulong = vtohl(aulong);
3350 cdouble += (double)aulong;
3362 if (datumtype == 'N')
3363 aulong = PerlSock_ntohl(aulong);
3366 if (datumtype == 'V')
3367 aulong = vtohl(aulong);
3370 sv_setuv(sv, (UV)aulong);
3371 PUSHs(sv_2mortal(sv));
3376 along = (strend - s) / sizeof(char*);
3382 if (sizeof(char*) > strend - s)
3385 Copy(s, &aptr, 1, char*);
3391 PUSHs(sv_2mortal(sv));
3401 while ((len > 0) && (s < strend)) {
3402 auv = (auv << 7) | (*s & 0x7f);
3403 if (!(*s++ & 0x80)) {
3407 PUSHs(sv_2mortal(sv));
3411 else if (++bytes >= sizeof(UV)) { /* promote to string */
3414 sv = newSVpvf("%.*Vu", (int)TYPE_DIGITS(UV), auv);
3415 while (s < strend) {
3416 sv = mul128(sv, *s & 0x7f);
3417 if (!(*s++ & 0x80)) {
3426 PUSHs(sv_2mortal(sv));
3431 if ((s >= strend) && bytes)
3432 croak("Unterminated compressed integer");
3437 if (sizeof(char*) > strend - s)
3440 Copy(s, &aptr, 1, char*);
3445 sv_setpvn(sv, aptr, len);
3446 PUSHs(sv_2mortal(sv));
3453 if (s + sizeof(Quad_t) > strend)
3456 Copy(s, &aquad, 1, Quad_t);
3457 s += sizeof(Quad_t);
3460 if (aquad >= IV_MIN && aquad <= IV_MAX)
3461 sv_setiv(sv, (IV)aquad);
3463 sv_setnv(sv, (double)aquad);
3464 PUSHs(sv_2mortal(sv));
3471 if (s + sizeof(unsigned Quad_t) > strend)
3474 Copy(s, &auquad, 1, unsigned Quad_t);
3475 s += sizeof(unsigned Quad_t);
3478 if (aquad <= UV_MAX)
3479 sv_setuv(sv, (UV)auquad);
3481 sv_setnv(sv, (double)auquad);
3482 PUSHs(sv_2mortal(sv));
3486 /* float and double added gnb@melba.bby.oz.au 22/11/89 */
3489 along = (strend - s) / sizeof(float);
3494 Copy(s, &afloat, 1, float);
3503 Copy(s, &afloat, 1, float);
3506 sv_setnv(sv, (double)afloat);
3507 PUSHs(sv_2mortal(sv));
3513 along = (strend - s) / sizeof(double);
3518 Copy(s, &adouble, 1, double);
3519 s += sizeof(double);
3527 Copy(s, &adouble, 1, double);
3528 s += sizeof(double);
3530 sv_setnv(sv, (double)adouble);
3531 PUSHs(sv_2mortal(sv));
3536 along = (strend - s) * 3 / 4;
3537 sv = NEWSV(42, along);
3540 while (s < strend && *s > ' ' && *s < 'a') {
3545 len = (*s++ - ' ') & 077;
3547 if (s < strend && *s >= ' ')
3548 a = (*s++ - ' ') & 077;
3551 if (s < strend && *s >= ' ')
3552 b = (*s++ - ' ') & 077;
3555 if (s < strend && *s >= ' ')
3556 c = (*s++ - ' ') & 077;
3559 if (s < strend && *s >= ' ')
3560 d = (*s++ - ' ') & 077;
3563 hunk[0] = (a << 2) | (b >> 4);
3564 hunk[1] = (b << 4) | (c >> 2);
3565 hunk[2] = (c << 6) | d;
3566 sv_catpvn(sv, hunk, (len > 3) ? 3 : len);
3571 else if (s[1] == '\n') /* possible checksum byte */
3574 XPUSHs(sv_2mortal(sv));
3579 if (strchr("fFdD", datumtype) ||
3580 (checksum > 32 && strchr("iIlLN", datumtype)) ) {
3584 while (checksum >= 16) {
3588 while (checksum >= 4) {
3594 along = (1 << checksum) - 1;
3595 while (cdouble < 0.0)
3597 cdouble = modf(cdouble / adouble, &trouble) * adouble;
3598 sv_setnv(sv, cdouble);
3601 if (checksum < 32) {
3602 aulong = (1 << checksum) - 1;
3605 sv_setuv(sv, (UV)culong);
3607 XPUSHs(sv_2mortal(sv));
3611 if (SP == oldsp && gimme == G_SCALAR)
3617 doencodes(register SV *sv, register char *s, register I32 len)
3622 sv_catpvn(sv, hunk, 1);
3625 hunk[0] = ' ' + (077 & (*s >> 2));
3626 hunk[1] = ' ' + (077 & (((*s << 4) & 060) | ((s[1] >> 4) & 017)));
3627 hunk[2] = ' ' + (077 & (((s[1] << 2) & 074) | ((s[2] >> 6) & 03)));
3628 hunk[3] = ' ' + (077 & (s[2] & 077));
3629 sv_catpvn(sv, hunk, 4);
3633 for (s = SvPVX(sv); *s; s++) {
3637 sv_catpvn(sv, "\n", 1);
3641 is_an_int(char *s, STRLEN l)
3643 SV *result = newSVpv("", l);
3644 char *result_c = SvPV(result, na); /* convenience */
3645 char *out = result_c;
3655 SvREFCNT_dec(result);
3678 SvREFCNT_dec(result);
3684 SvCUR_set(result, out - result_c);
3689 div128(SV *pnum, bool *done)
3690 /* must be '\0' terminated */
3694 char *s = SvPV(pnum, len);
3703 i = m * 10 + (*t - '0');
3705 r = (i >> 7); /* r < 10 */
3712 SvCUR_set(pnum, (STRLEN) (t - s));
3719 djSP; dMARK; dORIGMARK; dTARGET;
3720 register SV *cat = TARG;
3723 register char *pat = SvPVx(*++MARK, fromlen);
3724 register char *patend = pat + fromlen;
3729 static char null10[] = {0,0,0,0,0,0,0,0,0,0};
3730 static char *space10 = " ";
3732 /* These must not be in registers: */
3741 unsigned Quad_t auquad;
3750 sv_setpvn(cat, "", 0);
3751 while (pat < patend) {
3752 #define NEXTFROM (items-- > 0 ? *MARK++ : &sv_no)
3753 datumtype = *pat++ & 0xFF;
3754 if (isSPACE(datumtype))
3757 len = strchr("@Xxu", datumtype) ? 0 : items;
3760 else if (isDIGIT(*pat)) {
3762 while (isDIGIT(*pat))
3763 len = (len * 10) + (*pat++ - '0');
3769 croak("Invalid type in pack: '%c'", (int)datumtype);
3770 case ',': /* grandfather in commas but with a warning */
3771 if (commas++ == 0 && dowarn)
3772 warn("Invalid type in pack: '%c'", (int)datumtype);
3775 DIE("%% may only be used in unpack");
3786 if (SvCUR(cat) < len)
3787 DIE("X outside of string");
3794 sv_catpvn(cat, null10, 10);
3797 sv_catpvn(cat, null10, len);
3802 aptr = SvPV(fromstr, fromlen);
3806 sv_catpvn(cat, aptr, len);
3808 sv_catpvn(cat, aptr, fromlen);
3810 if (datumtype == 'A') {
3812 sv_catpvn(cat, space10, 10);
3815 sv_catpvn(cat, space10, len);
3819 sv_catpvn(cat, null10, 10);
3822 sv_catpvn(cat, null10, len);
3829 char *savepat = pat;
3834 aptr = SvPV(fromstr, fromlen);
3839 SvCUR(cat) += (len+7)/8;
3840 SvGROW(cat, SvCUR(cat) + 1);
3841 aptr = SvPVX(cat) + aint;
3846 if (datumtype == 'B') {
3847 for (len = 0; len++ < aint;) {
3848 items |= *pat++ & 1;
3852 *aptr++ = items & 0xff;
3858 for (len = 0; len++ < aint;) {
3864 *aptr++ = items & 0xff;
3870 if (datumtype == 'B')
3871 items <<= 7 - (aint & 7);
3873 items >>= 7 - (aint & 7);
3874 *aptr++ = items & 0xff;
3876 pat = SvPVX(cat) + SvCUR(cat);
3887 char *savepat = pat;
3892 aptr = SvPV(fromstr, fromlen);
3897 SvCUR(cat) += (len+1)/2;
3898 SvGROW(cat, SvCUR(cat) + 1);
3899 aptr = SvPVX(cat) + aint;
3904 if (datumtype == 'H') {
3905 for (len = 0; len++ < aint;) {
3907 items |= ((*pat++ & 15) + 9) & 15;
3909 items |= *pat++ & 15;
3913 *aptr++ = items & 0xff;
3919 for (len = 0; len++ < aint;) {
3921 items |= (((*pat++ & 15) + 9) & 15) << 4;
3923 items |= (*pat++ & 15) << 4;
3927 *aptr++ = items & 0xff;
3933 *aptr++ = items & 0xff;
3934 pat = SvPVX(cat) + SvCUR(cat);
3946 aint = SvIV(fromstr);
3948 sv_catpvn(cat, &achar, sizeof(char));
3951 /* Float and double added by gnb@melba.bby.oz.au 22/11/89 */
3956 afloat = (float)SvNV(fromstr);
3957 sv_catpvn(cat, (char *)&afloat, sizeof (float));
3964 adouble = (double)SvNV(fromstr);
3965 sv_catpvn(cat, (char *)&adouble, sizeof (double));
3971 ashort = (I16)SvIV(fromstr);
3973 ashort = PerlSock_htons(ashort);
3975 CAT16(cat, &ashort);
3981 ashort = (I16)SvIV(fromstr);
3983 ashort = htovs(ashort);
3985 CAT16(cat, &ashort);
3992 ashort = (I16)SvIV(fromstr);
3993 CAT16(cat, &ashort);
3999 auint = SvUV(fromstr);
4000 sv_catpvn(cat, (char*)&auint, sizeof(unsigned int));
4006 adouble = floor(SvNV(fromstr));
4009 croak("Cannot compress negative numbers");
4015 #ifdef CXUX_BROKEN_CONSTANT_CONVERT
4016 adouble <= UV_MAX_cxux
4023 char buf[1 + sizeof(UV)];
4024 char *in = buf + sizeof(buf);
4025 UV auv = U_V(adouble);;
4028 *--in = (auv & 0x7f) | 0x80;
4031 buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */
4032 sv_catpvn(cat, in, (buf + sizeof(buf)) - in);
4034 else if (SvPOKp(fromstr)) { /* decimal string arithmetics */
4035 char *from, *result, *in;
4040 /* Copy string and check for compliance */
4041 from = SvPV(fromstr, len);
4042 if ((norm = is_an_int(from, len)) == NULL)
4043 croak("can compress only unsigned integer");
4045 New('w', result, len, char);
4049 *--in = div128(norm, &done) | 0x80;
4050 result[len - 1] &= 0x7F; /* clear continue bit */
4051 sv_catpvn(cat, in, (result + len) - in);
4053 SvREFCNT_dec(norm); /* free norm */
4055 else if (SvNOKp(fromstr)) {
4056 char buf[sizeof(double) * 2]; /* 8/7 <= 2 */
4057 char *in = buf + sizeof(buf);
4060 double next = floor(adouble / 128);
4061 *--in = (unsigned char)(adouble - (next * 128)) | 0x80;
4062 if (--in < buf) /* this cannot happen ;-) */
4063 croak ("Cannot compress integer");
4065 } while (adouble > 0);
4066 buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */
4067 sv_catpvn(cat, in, (buf + sizeof(buf)) - in);
4070 croak("Cannot compress non integer");
4076 aint = SvIV(fromstr);
4077 sv_catpvn(cat, (char*)&aint, sizeof(int));
4083 aulong = SvUV(fromstr);
4085 aulong = PerlSock_htonl(aulong);
4087 CAT32(cat, &aulong);
4093 aulong = SvUV(fromstr);
4095 aulong = htovl(aulong);
4097 CAT32(cat, &aulong);
4103 aulong = SvUV(fromstr);
4104 CAT32(cat, &aulong);
4110 along = SvIV(fromstr);
4118 auquad = (unsigned Quad_t)SvIV(fromstr);
4119 sv_catpvn(cat, (char*)&auquad, sizeof(unsigned Quad_t));
4125 aquad = (Quad_t)SvIV(fromstr);
4126 sv_catpvn(cat, (char*)&aquad, sizeof(Quad_t));
4129 #endif /* HAS_QUAD */
4131 len = 1; /* assume SV is correct length */
4136 if (fromstr == &sv_undef)
4139 /* XXX better yet, could spirit away the string to
4140 * a safe spot and hang on to it until the result
4141 * of pack() (and all copies of the result) are
4144 if (dowarn && (SvTEMP(fromstr) || SvPADTMP(fromstr)))
4145 warn("Attempt to pack pointer to temporary value");
4146 if (SvPOK(fromstr) || SvNIOK(fromstr))
4147 aptr = SvPV(fromstr,na);
4149 aptr = SvPV_force(fromstr,na);
4151 sv_catpvn(cat, (char*)&aptr, sizeof(char*));
4156 aptr = SvPV(fromstr, fromlen);
4157 SvGROW(cat, fromlen * 4 / 3);
4162 while (fromlen > 0) {
4169 doencodes(cat, aptr, todo);
4188 register I32 limit = POPi; /* note, negative is forever */
4191 register char *s = SvPV(sv, len);
4192 char *strend = s + len;
4194 register REGEXP *rx;
4198 I32 maxiters = (strend - s) + 10;
4201 I32 origlimit = limit;
4204 AV *oldstack = curstack;
4205 I32 gimme = GIMME_V;
4206 I32 oldsave = savestack_ix;
4207 I32 make_mortal = 1;
4208 MAGIC *mg = (MAGIC *) NULL;
4211 Copy(&LvTARGOFF(POPs), &pm, 1, PMOP*);
4216 DIE("panic: do_split");
4217 rx = pm->op_pmregexp;
4219 TAINT_IF((pm->op_pmflags & PMf_LOCALE) &&
4220 (pm->op_pmflags & (PMf_WHITE | PMf_SKIPWHITE)));
4222 if (pm->op_pmreplroot)
4223 ary = GvAVn((GV*)pm->op_pmreplroot);
4224 else if (gimme != G_ARRAY)
4226 ary = (AV*)curpad[0];
4229 #endif /* USE_THREADS */
4232 if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) {
4238 if (SvRMAGICAL(ary) && (mg = mg_find((SV *) ary, 'P'))) {
4245 for (i = AvFILLp(ary); i >= 0; i--)
4246 AvARRAY(ary)[i] = &sv_undef; /* don't free mere refs */
4248 /* temporarily switch stacks */
4249 SWITCHSTACK(curstack, ary);
4253 base = SP - stack_base;
4255 if (pm->op_pmflags & PMf_SKIPWHITE) {
4256 if (pm->op_pmflags & PMf_LOCALE) {
4257 while (isSPACE_LC(*s))
4265 if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) {
4267 multiline = pm->op_pmflags & PMf_MULTILINE;
4271 limit = maxiters + 2;
4272 if (pm->op_pmflags & PMf_WHITE) {
4275 while (m < strend &&
4276 !((pm->op_pmflags & PMf_LOCALE)
4277 ? isSPACE_LC(*m) : isSPACE(*m)))
4282 dstr = NEWSV(30, m-s);
4283 sv_setpvn(dstr, s, m-s);
4289 while (s < strend &&
4290 ((pm->op_pmflags & PMf_LOCALE)
4291 ? isSPACE_LC(*s) : isSPACE(*s)))
4295 else if (strEQ("^", rx->precomp)) {
4298 for (m = s; m < strend && *m != '\n'; m++) ;
4302 dstr = NEWSV(30, m-s);
4303 sv_setpvn(dstr, s, m-s);
4310 else if (rx->check_substr && !rx->nparens
4311 && (rx->reganch & ROPT_CHECK_ALL)
4312 && !(rx->reganch & ROPT_ANCH)) {
4313 i = SvCUR(rx->check_substr);
4314 if (i == 1 && !SvTAIL(rx->check_substr)) {
4315 i = *SvPVX(rx->check_substr);
4318 for (m = s; m < strend && *m != i; m++) ;
4321 dstr = NEWSV(30, m-s);
4322 sv_setpvn(dstr, s, m-s);
4331 while (s < strend && --limit &&
4332 (m=fbm_instr((unsigned char*)s, (unsigned char*)strend,
4333 rx->check_substr)) )
4336 dstr = NEWSV(31, m-s);
4337 sv_setpvn(dstr, s, m-s);
4346 maxiters += (strend - s) * rx->nparens;
4347 while (s < strend && --limit &&
4348 regexec_flags(rx, s, strend, orig, 1, Nullsv, NULL, 0))
4350 TAINT_IF(RX_MATCH_TAINTED(rx));
4352 && rx->subbase != orig) {
4357 strend = s + (strend - m);
4360 dstr = NEWSV(32, m-s);
4361 sv_setpvn(dstr, s, m-s);
4366 for (i = 1; i <= rx->nparens; i++) {
4370 dstr = NEWSV(33, m-s);
4371 sv_setpvn(dstr, s, m-s);
4374 dstr = NEWSV(33, 0);
4384 LEAVE_SCOPE(oldsave);
4385 iters = (SP - stack_base) - base;
4386 if (iters > maxiters)
4389 /* keep field after final delim? */
4390 if (s < strend || (iters && origlimit)) {
4391 dstr = NEWSV(34, strend-s);
4392 sv_setpvn(dstr, s, strend-s);
4398 else if (!origlimit) {
4399 while (iters > 0 && (!TOPs || !SvANY(TOPs) || SvCUR(TOPs) == 0))
4405 SWITCHSTACK(ary, oldstack);
4406 if (SvSMAGICAL(ary)) {
4411 if (gimme == G_ARRAY) {
4413 Copy(AvARRAY(ary), SP + 1, iters, SV*);
4421 perl_call_method("PUSH",G_SCALAR|G_DISCARD);
4424 if (gimme == G_ARRAY) {
4425 /* EXTEND should not be needed - we just popped them */
4427 for (i=0; i < iters; i++) {
4428 SV **svp = av_fetch(ary, i, FALSE);
4429 PUSHs((svp) ? *svp : &sv_undef);
4436 if (gimme == G_ARRAY)
4439 if (iters || !pm->op_pmreplroot) {
4449 unlock_condpair(void *svv)
4452 MAGIC *mg = mg_find((SV*)svv, 'm');
4455 croak("panic: unlock_condpair unlocking non-mutex");
4456 MUTEX_LOCK(MgMUTEXP(mg));
4457 if (MgOWNER(mg) != thr)
4458 croak("panic: unlock_condpair unlocking mutex that we don't own");
4460 COND_SIGNAL(MgOWNERCONDP(mg));
4461 DEBUG_L(PerlIO_printf(PerlIO_stderr(), "0x%lx: unlock 0x%lx\n",
4462 (unsigned long)thr, (unsigned long)svv);)
4463 MUTEX_UNLOCK(MgMUTEXP(mg));
4465 #endif /* USE_THREADS */
4478 mg = condpair_magic(sv);
4479 MUTEX_LOCK(MgMUTEXP(mg));
4480 if (MgOWNER(mg) == thr)
4481 MUTEX_UNLOCK(MgMUTEXP(mg));
4484 COND_WAIT(MgOWNERCONDP(mg), MgMUTEXP(mg));
4486 DEBUG_L(PerlIO_printf(PerlIO_stderr(), "0x%lx: pp_lock lock 0x%lx\n",
4487 (unsigned long)thr, (unsigned long)sv);)
4488 MUTEX_UNLOCK(MgMUTEXP(mg));
4489 SvREFCNT_inc(sv); /* keep alive until magic_mutexfree */
4490 save_destructor(unlock_condpair, sv);
4492 #endif /* USE_THREADS */
4493 if (SvTYPE(retsv) == SVt_PVAV || SvTYPE(retsv) == SVt_PVHV
4494 || SvTYPE(retsv) == SVt_PVCV) {
4495 retsv = refto(retsv);
4506 if (op->op_private & OPpLVAL_INTRO)
4507 PUSHs(*save_threadsv(op->op_targ));
4509 PUSHs(THREADSV(op->op_targ));
4512 DIE("tried to access per-thread data in non-threaded perl");
4513 #endif /* USE_THREADS */