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)
105 static void doencodes _((SV* sv, char* s, I32 len));
106 static SV* refto _((SV* sv));
107 static U32 seed _((void));
110 static bool srand_called = FALSE;
112 /* variations on pp_null */
118 /* XXX I can't imagine anyone who doesn't have this actually _needs_
119 it, since pid_t is an integral type.
122 #ifdef NEED_GETPID_PROTO
123 extern Pid_t getpid (void);
129 if (GIMME_V == G_SCALAR)
144 if (op->op_private & OPpLVAL_INTRO)
145 SAVECLEARSV(curpad[op->op_targ]);
147 if (op->op_flags & OPf_REF) {
151 if (GIMME == G_ARRAY) {
152 I32 maxarg = AvFILL((AV*)TARG) + 1;
154 if (SvMAGICAL(TARG)) {
156 for (i=0; i < maxarg; i++) {
157 SV **svp = av_fetch((AV*)TARG, i, FALSE);
158 SP[i+1] = (svp) ? *svp : &sv_undef;
162 Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*);
167 SV* sv = sv_newmortal();
168 I32 maxarg = AvFILL((AV*)TARG) + 1;
169 sv_setiv(sv, maxarg);
181 if (op->op_private & OPpLVAL_INTRO)
182 SAVECLEARSV(curpad[op->op_targ]);
183 if (op->op_flags & OPf_REF)
186 if (gimme == G_ARRAY) {
187 RETURNOP(do_kv(ARGS));
189 else if (gimme == G_SCALAR) {
190 SV* sv = sv_newmortal();
191 if (HvFILL((HV*)TARG))
192 sv_setpvf(sv, "%ld/%ld",
193 (long)HvFILL((HV*)TARG), (long)HvMAX((HV*)TARG) + 1);
203 DIE("NOT IMPL LINE %d",__LINE__);
215 if (SvTYPE(sv) == SVt_PVIO) {
216 GV *gv = (GV*) sv_newmortal();
217 gv_init(gv, 0, "", 0, 0);
218 GvIOp(gv) = (IO *)sv;
219 (void)SvREFCNT_inc(sv);
221 } else if (SvTYPE(sv) != SVt_PVGV)
222 DIE("Not a GLOB reference");
225 if (SvTYPE(sv) != SVt_PVGV) {
228 if (SvGMAGICAL(sv)) {
234 if (op->op_flags & OPf_REF ||
235 op->op_private & HINT_STRICT_REFS)
236 DIE(no_usym, "a symbol");
242 if (op->op_private & HINT_STRICT_REFS)
243 DIE(no_symref, sym, "a symbol");
244 sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV);
247 if (op->op_private & OPpLVAL_INTRO)
248 save_gp((GV*)sv, !(op->op_flags & OPf_SPECIAL));
260 switch (SvTYPE(sv)) {
264 DIE("Not a SCALAR reference");
271 if (SvTYPE(gv) != SVt_PVGV) {
272 if (SvGMAGICAL(sv)) {
278 if (op->op_flags & OPf_REF ||
279 op->op_private & HINT_STRICT_REFS)
280 DIE(no_usym, "a SCALAR");
286 if (op->op_private & HINT_STRICT_REFS)
287 DIE(no_symref, sym, "a SCALAR");
288 gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV);
292 if (op->op_flags & OPf_MOD) {
293 if (op->op_private & OPpLVAL_INTRO)
294 sv = save_scalar((GV*)TOPs);
295 else if (op->op_private & OPpDEREF)
296 vivify_ref(sv, op->op_private & OPpDEREF);
306 SV *sv = AvARYLEN(av);
308 AvARYLEN(av) = sv = NEWSV(0,0);
309 sv_upgrade(sv, SVt_IV);
310 sv_magic(sv, (SV*)av, '#', Nullch, 0);
318 djSP; dTARGET; dPOPss;
320 if (op->op_flags & OPf_MOD) {
321 if (SvTYPE(TARG) < SVt_PVLV) {
322 sv_upgrade(TARG, SVt_PVLV);
323 sv_magic(TARG, Nullsv, '.', Nullch, 0);
327 if (LvTARG(TARG) != sv) {
329 SvREFCNT_dec(LvTARG(TARG));
330 LvTARG(TARG) = SvREFCNT_inc(sv);
332 PUSHs(TARG); /* no SvSETMAGIC */
338 if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) {
339 mg = mg_find(sv, 'g');
340 if (mg && mg->mg_len >= 0) {
341 PUSHi(mg->mg_len + curcop->cop_arybase);
355 /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */
356 /* (But not in defined().) */
357 CV *cv = sv_2cv(TOPs, &stash, &gv, !(op->op_flags & OPf_SPECIAL));
360 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
377 if (SvPOK(TOPs) && SvCUR(TOPs) >= 7) {
378 char *s = SvPVX(TOPs);
379 if (strnEQ(s, "CORE::", 6)) {
382 code = keyword(s + 6, SvCUR(TOPs) - 6);
383 if (code < 0) { /* Overridable. */
384 #define MAX_ARGS_OP ((sizeof(I32) - 1) * 2)
385 int i = 0, n = 0, seen_question = 0;
387 char str[ MAX_ARGS_OP * 2 + 2 ]; /* One ';', one '\0' */
389 while (i < MAXO) { /* The slow way. */
390 if (strEQ(s + 6, op_name[i]) || strEQ(s + 6, op_desc[i]))
394 goto nonesuch; /* Should not happen... */
396 oa = opargs[i] >> OASHIFT;
398 if (oa & OA_OPTIONAL) {
401 } else if (seen_question)
402 goto set; /* XXXX system, exec */
403 if ((oa & (OA_OPTIONAL - 1)) >= OA_AVREF
404 && (oa & (OA_OPTIONAL - 1)) <= OA_HVREF) {
407 /* What to do with R ((un)tie, tied, (sys)read, recv)? */
408 str[n++] = ("?$@@%&*$")[oa & (OA_OPTIONAL - 1)];
412 ret = sv_2mortal(newSVpv(str, n - 1));
413 } else if (code) /* Non-Overridable */
415 else { /* None such */
417 croak("Cannot find an opnumber for \"%s\"", s+6);
421 cv = sv_2cv(TOPs, &stash, &gv, FALSE);
423 ret = sv_2mortal(newSVpv(SvPVX(cv), SvCUR(cv)));
432 CV* cv = (CV*)curpad[op->op_targ];
434 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
450 if (GIMME != G_ARRAY) {
455 *MARK = refto(*MARK);
459 EXTEND_MORTAL(SP - MARK);
461 *MARK = refto(*MARK);
470 if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') {
473 if (!(sv = LvTARG(sv)))
476 else if (SvPADTMP(sv))
480 (void)SvREFCNT_inc(sv);
483 sv_upgrade(rv, SVt_RV);
497 if (sv && SvGMAGICAL(sv))
500 if (!sv || !SvROK(sv))
504 pv = sv_reftype(sv,TRUE);
505 PUSHp(pv, strlen(pv));
515 stash = curcop->cop_stash;
519 char *ptr = SvPV(ssv,len);
520 if (dowarn && len == 0)
521 warn("Explicit blessing to '' (assuming package main)");
522 stash = gv_stashpvn(ptr, len, TRUE);
525 (void)sv_bless(TOPs, stash);
542 switch (elem ? *elem : '\0')
545 if (strEQ(elem, "ARRAY"))
546 tmpRef = (SV*)GvAV(gv);
549 if (strEQ(elem, "CODE"))
550 tmpRef = (SV*)GvCVu(gv);
553 if (strEQ(elem, "FILEHANDLE")) /* XXX deprecate in 5.005 */
554 tmpRef = (SV*)GvIOp(gv);
557 if (strEQ(elem, "GLOB"))
561 if (strEQ(elem, "HASH"))
562 tmpRef = (SV*)GvHV(gv);
565 if (strEQ(elem, "IO"))
566 tmpRef = (SV*)GvIOp(gv);
569 if (strEQ(elem, "NAME"))
570 sv = newSVpv(GvNAME(gv), GvNAMELEN(gv));
573 if (strEQ(elem, "PACKAGE"))
574 sv = newSVpv(HvNAME(GvSTASH(gv)), 0);
577 if (strEQ(elem, "SCALAR"))
591 /* Pattern matching */
596 register UNOP *unop = cUNOP;
597 register unsigned char *s;
600 register I32 *sfirst;
604 if(unop->op_first && unop->op_first->op_type == OP_PUSHRE) {
605 PMOP *pm = (PMOP *)unop->op_first;
606 SV *rv = sv_newmortal();
607 sv = newSVrv(rv, "Regexp");
608 sv_magic(sv,(SV*)ReREFCNT_inc(pm->op_pmregexp),'r',0,0);
612 if (sv == lastscream) {
618 SvSCREAM_off(lastscream);
619 SvREFCNT_dec(lastscream);
621 lastscream = SvREFCNT_inc(sv);
624 s = (unsigned char*)(SvPV(sv, len));
628 if (pos > maxscream) {
630 maxscream = pos + 80;
631 New(301, screamfirst, 256, I32);
632 New(302, screamnext, maxscream, I32);
635 maxscream = pos + pos / 4;
636 Renew(screamnext, maxscream, I32);
640 sfirst = screamfirst;
643 if (!sfirst || !snext)
644 DIE("do_study: out of memory");
646 for (ch = 256; ch; --ch)
653 snext[pos] = sfirst[ch] - pos;
660 sv_magic(sv, Nullsv, 'g', Nullch, 0); /* piggyback on m//g magic */
669 if (op->op_flags & OPf_STACKED)
675 TARG = sv_newmortal();
676 PUSHi(do_trans(sv, op));
680 /* Lvalue operators. */
692 djSP; dMARK; dTARGET;
702 SETi(do_chomp(TOPs));
708 djSP; dMARK; dTARGET;
709 register I32 count = 0;
712 count += do_chomp(POPs);
723 if (!sv || !SvANY(sv))
725 switch (SvTYPE(sv)) {
727 if (AvMAX(sv) >= 0 || SvGMAGICAL(sv))
731 if (HvARRAY(sv) || SvGMAGICAL(sv))
735 if (CvROOT(sv) || CvXSUB(sv))
752 if (!op->op_private) {
761 if (SvTHINKFIRST(sv)) {
768 switch (SvTYPE(sv)) {
778 if (dowarn && cv_const_sv((CV*)sv))
779 warn("Constant subroutine %s undefined",
780 CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv)));
783 { GV* gv = (GV*)SvREFCNT_inc(CvGV((CV*)sv));
785 CvGV((CV*)sv) = gv; } /* let user-undef'd sub keep its identity */
789 SvSetMagicSV(sv, &sv_undef);
793 Newz(602, gp, 1, GP);
794 GvGP(sv) = gp_ref(gp);
795 GvSV(sv) = NEWSV(72,0);
796 GvLINE(sv) = curcop->cop_line;
802 if (SvTYPE(sv) >= SVt_PV && SvPVX(sv) && SvLEN(sv)) {
805 SvPV_set(sv, Nullch);
818 if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV)
820 if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) &&
821 SvIVX(TOPs) != IV_MIN)
824 SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK);
835 if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV)
837 sv_setsv(TARG, TOPs);
838 if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) &&
839 SvIVX(TOPs) != IV_MAX)
842 SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK);
856 if(SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV)
858 sv_setsv(TARG, TOPs);
859 if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) &&
860 SvIVX(TOPs) != IV_MIN)
863 SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK);
872 /* Ordinary operators. */
876 djSP; dATARGET; tryAMAGICbin(pow,opASSIGN);
879 SETn( pow( left, right) );
886 djSP; dATARGET; tryAMAGICbin(mult,opASSIGN);
889 SETn( left * right );
896 djSP; dATARGET; tryAMAGICbin(div,opASSIGN);
901 DIE("Illegal division by zero");
903 /* insure that 20./5. == 4. */
906 if ((double)I_V(left) == left &&
907 (double)I_V(right) == right &&
908 (k = I_V(left)/I_V(right))*I_V(right) == I_V(left)) {
911 value = left / right;
915 value = left / right;
924 djSP; dATARGET; tryAMAGICbin(modulo,opASSIGN);
932 if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) {
934 right = (right_neg = (i < 0)) ? -i : i;
938 right = U_V((right_neg = (n < 0)) ? -n : n);
941 if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) {
943 left = (left_neg = (i < 0)) ? -i : i;
947 left = U_V((left_neg = (n < 0)) ? -n : n);
951 DIE("Illegal modulus zero");
954 if ((left_neg != right_neg) && ans)
957 /* XXX may warn: unary minus operator applied to unsigned type */
958 /* could change -foo to be (~foo)+1 instead */
959 if (ans <= ~((UV)IV_MAX)+1)
960 sv_setiv(TARG, ~ans+1);
962 sv_setnv(TARG, -(double)ans);
973 djSP; dATARGET; tryAMAGICbin(repeat,opASSIGN);
975 register I32 count = POPi;
976 if (GIMME == G_ARRAY && op->op_private & OPpREPEAT_DOLIST) {
978 I32 items = SP - MARK;
990 repeatcpy((char*)(MARK + items), (char*)MARK,
991 items * sizeof(SV*), count - 1);
997 else { /* Note: mark already snarfed by pp_list */
1002 if (TARG == tmpstr && SvTHINKFIRST(tmpstr)) {
1003 if (SvREADONLY(tmpstr) && curcop != &compiling)
1004 DIE("Can't x= to readonly value");
1008 SvSetSV(TARG, tmpstr);
1009 SvPV_force(TARG, len);
1014 SvGROW(TARG, (count * len) + 1);
1015 repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1);
1016 SvCUR(TARG) *= count;
1018 *SvEND(TARG) = '\0';
1020 (void)SvPOK_only(TARG);
1029 djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN);
1032 SETn( left - right );
1039 djSP; dATARGET; tryAMAGICbin(lshift,opASSIGN);
1042 if (op->op_private & HINT_INTEGER) {
1044 i = BWi(i) << shift;
1058 djSP; dATARGET; tryAMAGICbin(rshift,opASSIGN);
1061 if (op->op_private & HINT_INTEGER) {
1063 i = BWi(i) >> shift;
1077 djSP; tryAMAGICbinSET(lt,0);
1080 SETs(boolSV(TOPn < value));
1087 djSP; tryAMAGICbinSET(gt,0);
1090 SETs(boolSV(TOPn > value));
1097 djSP; tryAMAGICbinSET(le,0);
1100 SETs(boolSV(TOPn <= value));
1107 djSP; tryAMAGICbinSET(ge,0);
1110 SETs(boolSV(TOPn >= value));
1117 djSP; tryAMAGICbinSET(ne,0);
1120 SETs(boolSV(TOPn != value));
1127 djSP; dTARGET; tryAMAGICbin(ncmp,0);
1134 else if (left < right)
1136 else if (left > right)
1149 djSP; tryAMAGICbinSET(slt,0);
1152 int cmp = ((op->op_private & OPpLOCALE)
1153 ? sv_cmp_locale(left, right)
1154 : sv_cmp(left, right));
1155 SETs(boolSV(cmp < 0));
1162 djSP; tryAMAGICbinSET(sgt,0);
1165 int cmp = ((op->op_private & OPpLOCALE)
1166 ? sv_cmp_locale(left, right)
1167 : sv_cmp(left, right));
1168 SETs(boolSV(cmp > 0));
1175 djSP; tryAMAGICbinSET(sle,0);
1178 int cmp = ((op->op_private & OPpLOCALE)
1179 ? sv_cmp_locale(left, right)
1180 : sv_cmp(left, right));
1181 SETs(boolSV(cmp <= 0));
1188 djSP; tryAMAGICbinSET(sge,0);
1191 int cmp = ((op->op_private & OPpLOCALE)
1192 ? sv_cmp_locale(left, right)
1193 : sv_cmp(left, right));
1194 SETs(boolSV(cmp >= 0));
1201 djSP; tryAMAGICbinSET(seq,0);
1204 SETs(boolSV(sv_eq(left, right)));
1211 djSP; tryAMAGICbinSET(sne,0);
1214 SETs(boolSV(!sv_eq(left, right)));
1221 djSP; dTARGET; tryAMAGICbin(scmp,0);
1224 int cmp = ((op->op_private & OPpLOCALE)
1225 ? sv_cmp_locale(left, right)
1226 : sv_cmp(left, right));
1234 djSP; dATARGET; tryAMAGICbin(band,opASSIGN);
1237 if (SvNIOKp(left) || SvNIOKp(right)) {
1238 if (op->op_private & HINT_INTEGER) {
1239 IBW value = SvIV(left) & SvIV(right);
1243 UBW value = SvUV(left) & SvUV(right);
1248 do_vop(op->op_type, TARG, left, right);
1257 djSP; dATARGET; tryAMAGICbin(bxor,opASSIGN);
1260 if (SvNIOKp(left) || SvNIOKp(right)) {
1261 if (op->op_private & HINT_INTEGER) {
1262 IBW value = (USE_LEFT(left) ? SvIV(left) : 0) ^ SvIV(right);
1266 UBW value = (USE_LEFT(left) ? SvUV(left) : 0) ^ SvUV(right);
1271 do_vop(op->op_type, TARG, left, right);
1280 djSP; dATARGET; tryAMAGICbin(bor,opASSIGN);
1283 if (SvNIOKp(left) || SvNIOKp(right)) {
1284 if (op->op_private & HINT_INTEGER) {
1285 IBW value = (USE_LEFT(left) ? SvIV(left) : 0) | SvIV(right);
1289 UBW value = (USE_LEFT(left) ? SvUV(left) : 0) | SvUV(right);
1294 do_vop(op->op_type, TARG, left, right);
1303 djSP; dTARGET; tryAMAGICun(neg);
1308 if (SvIOKp(sv) && !SvNOKp(sv) && !SvPOKp(sv) && SvIVX(sv) != IV_MIN)
1310 else if (SvNIOKp(sv))
1312 else if (SvPOKp(sv)) {
1314 char *s = SvPV(sv, len);
1315 if (isIDFIRST(*s)) {
1316 sv_setpvn(TARG, "-", 1);
1319 else if (*s == '+' || *s == '-') {
1321 *SvPV_force(TARG, len) = *s == '-' ? '+' : '-';
1324 sv_setnv(TARG, -SvNV(sv));
1336 djSP; tryAMAGICunSET(not);
1337 #endif /* OVERLOAD */
1338 *stack_sp = boolSV(!SvTRUE(*stack_sp));
1344 djSP; dTARGET; tryAMAGICun(compl);
1348 if (op->op_private & HINT_INTEGER) {
1349 IBW value = ~SvIV(sv);
1353 UBW value = ~SvUV(sv);
1358 register char *tmps;
1359 register long *tmpl;
1364 tmps = SvPV_force(TARG, len);
1367 for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++)
1370 for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++)
1374 for ( ; anum > 0; anum--, tmps++)
1383 /* integer versions of some of the above */
1387 djSP; dATARGET; tryAMAGICbin(mult,opASSIGN);
1390 SETi( left * right );
1397 djSP; dATARGET; tryAMAGICbin(div,opASSIGN);
1401 DIE("Illegal division by zero");
1402 value = POPi / value;
1410 djSP; dATARGET; tryAMAGICbin(modulo,opASSIGN);
1414 DIE("Illegal modulus zero");
1415 SETi( left % right );
1422 djSP; dATARGET; tryAMAGICbin(add,opASSIGN);
1425 SETi( left + right );
1432 djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN);
1435 SETi( left - right );
1442 djSP; tryAMAGICbinSET(lt,0);
1445 SETs(boolSV(left < right));
1452 djSP; tryAMAGICbinSET(gt,0);
1455 SETs(boolSV(left > right));
1462 djSP; tryAMAGICbinSET(le,0);
1465 SETs(boolSV(left <= right));
1472 djSP; tryAMAGICbinSET(ge,0);
1475 SETs(boolSV(left >= right));
1482 djSP; tryAMAGICbinSET(eq,0);
1485 SETs(boolSV(left == right));
1492 djSP; tryAMAGICbinSET(ne,0);
1495 SETs(boolSV(left != right));
1502 djSP; dTARGET; tryAMAGICbin(ncmp,0);
1509 else if (left < right)
1520 djSP; dTARGET; tryAMAGICun(neg);
1525 /* High falutin' math. */
1529 djSP; dTARGET; tryAMAGICbin(atan2,0);
1532 SETn(atan2(left, right));
1539 djSP; dTARGET; tryAMAGICun(sin);
1551 djSP; dTARGET; tryAMAGICun(cos);
1571 if (!srand_called) {
1572 (void)srand((unsigned)seed());
1573 srand_called = TRUE;
1576 value = rand() * value / 2147483648.0;
1579 value = rand() * value / 65536.0;
1582 value = rand() * value / 32768.0;
1584 value = rand() * value / (double)(((unsigned long)1) << RANDBITS);
1600 (void)srand((unsigned)anum);
1601 srand_called = TRUE;
1610 * This is really just a quick hack which grabs various garbage
1611 * values. It really should be a real hash algorithm which
1612 * spreads the effect of every input bit onto every output bit,
1613 * if someone who knows about such tings would bother to write it.
1614 * Might be a good idea to add that function to CORE as well.
1615 * No numbers below come from careful analysis or anyting here,
1616 * except they are primes and SEED_C1 > 1E6 to get a full-width
1617 * value from (tv_sec * SEED_C1 + tv_usec). The multipliers should
1618 * probably be bigger too.
1621 # define SEED_C1 1000003
1622 #define SEED_C4 73819
1624 # define SEED_C1 25747
1625 #define SEED_C4 20639
1629 #define SEED_C5 26107
1634 # include <starlet.h>
1635 /* when[] = (low 32 bits, high 32 bits) of time since epoch
1636 * in 100-ns units, typically incremented ever 10 ms. */
1637 unsigned int when[2];
1638 _ckvmssts(sys$gettim(when));
1639 u = (U32)SEED_C1 * when[0] + (U32)SEED_C2 * when[1];
1641 # ifdef HAS_GETTIMEOFDAY
1642 struct timeval when;
1643 gettimeofday(&when,(struct timezone *) 0);
1644 u = (U32)SEED_C1 * when.tv_sec + (U32)SEED_C2 * when.tv_usec;
1648 u = (U32)SEED_C1 * when;
1651 u += SEED_C3 * (U32)getpid();
1652 u += SEED_C4 * (U32)(UV)stack_sp;
1653 #ifndef PLAN9 /* XXX Plan9 assembler chokes on this; fix needed */
1654 u += SEED_C5 * (U32)(UV)&when;
1661 djSP; dTARGET; tryAMAGICun(exp);
1673 djSP; dTARGET; tryAMAGICun(log);
1678 SET_NUMERIC_STANDARD();
1679 DIE("Can't take log of %g", value);
1689 djSP; dTARGET; tryAMAGICun(sqrt);
1694 SET_NUMERIC_STANDARD();
1695 DIE("Can't take sqrt of %g", value);
1697 value = sqrt(value);
1707 double value = TOPn;
1710 if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs)) {
1716 (void)modf(value, &value);
1718 (void)modf(-value, &value);
1733 djSP; dTARGET; tryAMAGICun(abs);
1735 double value = TOPn;
1738 if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs) &&
1739 (iv = SvIVX(TOPs)) != IV_MIN) {
1760 XPUSHu(scan_hex(tmps, 99, &argtype));
1772 while (*tmps && isSPACE(*tmps))
1777 value = scan_hex(++tmps, 99, &argtype);
1779 value = scan_oct(tmps, 99, &argtype);
1789 SETi( sv_len(TOPs) );
1803 I32 lvalue = op->op_flags & OPf_MOD;
1805 I32 arybase = curcop->cop_arybase;
1809 SvTAINTED_off(TARG); /* decontaminate */
1811 /* pop off replacement string */
1813 repl = SvPV(sv, repl_len);
1814 /* pop off length */
1820 } else if (MAXARG == 3) {
1828 tmps = SvPV(sv, curlen);
1829 if (pos >= arybase) {
1847 else if (len >= 0) {
1849 if (rem > (I32)curlen)
1863 if (dowarn || lvalue || repl)
1864 warn("substr outside of string");
1869 sv_setpvn(TARG, tmps, rem);
1870 if (lvalue) { /* it's an lvalue! */
1871 if (!SvGMAGICAL(sv)) {
1875 warn("Attempt to use reference as lvalue in substr");
1877 if (SvOK(sv)) /* is it defined ? */
1878 (void)SvPOK_only(sv);
1880 sv_setpvn(sv,"",0); /* avoid lexical reincarnation */
1883 if (SvTYPE(TARG) < SVt_PVLV) {
1884 sv_upgrade(TARG, SVt_PVLV);
1885 sv_magic(TARG, Nullsv, 'x', Nullch, 0);
1889 if (LvTARG(TARG) != sv) {
1891 SvREFCNT_dec(LvTARG(TARG));
1892 LvTARG(TARG) = SvREFCNT_inc(sv);
1894 LvTARGOFF(TARG) = pos;
1895 LvTARGLEN(TARG) = rem;
1898 sv_insert(sv, pos, rem, repl, repl_len);
1901 PUSHs(TARG); /* avoid SvSETMAGIC here */
1908 register I32 size = POPi;
1909 register I32 offset = POPi;
1910 register SV *src = POPs;
1911 I32 lvalue = op->op_flags & OPf_MOD;
1913 unsigned char *s = (unsigned char*)SvPV(src, srclen);
1914 unsigned long retnum;
1917 SvTAINTED_off(TARG); /* decontaminate */
1918 offset *= size; /* turn into bit offset */
1919 len = (offset + size + 7) / 8;
1920 if (offset < 0 || size < 1)
1923 if (lvalue) { /* it's an lvalue! */
1924 if (SvTYPE(TARG) < SVt_PVLV) {
1925 sv_upgrade(TARG, SVt_PVLV);
1926 sv_magic(TARG, Nullsv, 'v', Nullch, 0);
1930 if (LvTARG(TARG) != src) {
1932 SvREFCNT_dec(LvTARG(TARG));
1933 LvTARG(TARG) = SvREFCNT_inc(src);
1935 LvTARGOFF(TARG) = offset;
1936 LvTARGLEN(TARG) = size;
1944 if (offset >= srclen)
1947 retnum = (unsigned long) s[offset] << 8;
1949 else if (size == 32) {
1950 if (offset >= srclen)
1952 else if (offset + 1 >= srclen)
1953 retnum = (unsigned long) s[offset] << 24;
1954 else if (offset + 2 >= srclen)
1955 retnum = ((unsigned long) s[offset] << 24) +
1956 ((unsigned long) s[offset + 1] << 16);
1958 retnum = ((unsigned long) s[offset] << 24) +
1959 ((unsigned long) s[offset + 1] << 16) +
1960 (s[offset + 2] << 8);
1965 retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1);
1970 else if (size == 16)
1971 retnum = ((unsigned long) s[offset] << 8) + s[offset+1];
1972 else if (size == 32)
1973 retnum = ((unsigned long) s[offset] << 24) +
1974 ((unsigned long) s[offset + 1] << 16) +
1975 (s[offset + 2] << 8) + s[offset+3];
1979 sv_setuv(TARG, (UV)retnum);
1994 I32 arybase = curcop->cop_arybase;
1999 offset = POPi - arybase;
2002 tmps = SvPV(big, biglen);
2005 else if (offset > biglen)
2007 if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset,
2008 (unsigned char*)tmps + biglen, little)))
2009 retval = -1 + arybase;
2011 retval = tmps2 - tmps + arybase;
2028 I32 arybase = curcop->cop_arybase;
2034 tmps2 = SvPV(little, llen);
2035 tmps = SvPV(big, blen);
2039 offset = SvIV(offstr) - arybase + llen;
2042 else if (offset > blen)
2044 if (!(tmps2 = rninstr(tmps, tmps + offset,
2045 tmps2, tmps2 + llen)))
2046 retval = -1 + arybase;
2048 retval = tmps2 - tmps + arybase;
2055 djSP; dMARK; dORIGMARK; dTARGET;
2056 #ifdef USE_LOCALE_NUMERIC
2057 if (op->op_private & OPpLOCALE)
2058 SET_NUMERIC_LOCAL();
2060 SET_NUMERIC_STANDARD();
2062 do_sprintf(TARG, SP-MARK, MARK+1);
2063 TAINT_IF(SvTAINTED(TARG));
2077 value = (I32) (*tmps & 255);
2082 value = (I32) (anum & 255);
2093 (void)SvUPGRADE(TARG,SVt_PV);
2099 (void)SvPOK_only(TARG);
2106 djSP; dTARGET; dPOPTOPssrl;
2108 char *tmps = SvPV(left, na);
2110 sv_setpv(TARG, fcrypt(tmps, SvPV(right, na)));
2112 sv_setpv(TARG, crypt(tmps, SvPV(right, na)));
2116 "The crypt() function is unimplemented due to excessive paranoia.");
2128 if (!SvPADTMP(sv)) {
2134 s = SvPV_force(sv, na);
2136 if (op->op_private & OPpLOCALE) {
2139 *s = toUPPER_LC(*s);
2154 if (!SvPADTMP(sv)) {
2160 s = SvPV_force(sv, na);
2162 if (op->op_private & OPpLOCALE) {
2165 *s = toLOWER_LC(*s);
2182 if (!SvPADTMP(sv)) {
2189 s = SvPV_force(sv, len);
2191 register char *send = s + len;
2193 if (op->op_private & OPpLOCALE) {
2196 for (; s < send; s++)
2197 *s = toUPPER_LC(*s);
2200 for (; s < send; s++)
2214 if (!SvPADTMP(sv)) {
2221 s = SvPV_force(sv, len);
2223 register char *send = s + len;
2225 if (op->op_private & OPpLOCALE) {
2228 for (; s < send; s++)
2229 *s = toLOWER_LC(*s);
2232 for (; s < send; s++)
2244 register char *s = SvPV(sv,len);
2248 (void)SvUPGRADE(TARG, SVt_PV);
2249 SvGROW(TARG, (len * 2) + 1);
2257 SvCUR_set(TARG, d - SvPVX(TARG));
2258 (void)SvPOK_only(TARG);
2261 sv_setpvn(TARG, s, len);
2270 djSP; dMARK; dORIGMARK;
2272 register AV* av = (AV*)POPs;
2273 register I32 lval = op->op_flags & OPf_MOD;
2274 I32 arybase = curcop->cop_arybase;
2277 if (SvTYPE(av) == SVt_PVAV) {
2278 if (lval && op->op_private & OPpLVAL_INTRO) {
2280 for (svp = MARK + 1; svp <= SP; svp++) {
2285 if (max > AvMAX(av))
2288 while (++MARK <= SP) {
2289 elem = SvIVx(*MARK);
2293 svp = av_fetch(av, elem, lval);
2295 if (!svp || *svp == &sv_undef)
2296 DIE(no_aelem, elem);
2297 if (op->op_private & OPpLVAL_INTRO)
2298 save_aelem(av, elem, svp);
2300 *MARK = svp ? *svp : &sv_undef;
2303 if (GIMME != G_ARRAY) {
2311 /* Associative arrays. */
2316 HV *hash = (HV*)POPs;
2318 I32 gimme = GIMME_V;
2319 I32 realhv = (SvTYPE(hash) == SVt_PVHV);
2322 /* might clobber stack_sp */
2323 entry = realhv ? hv_iternext(hash) : avhv_iternext((AV*)hash);
2328 PUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */
2329 if (gimme == G_ARRAY) {
2331 /* might clobber stack_sp */
2332 sv_setsv(TARG, realhv ?
2333 hv_iterval(hash, entry) : avhv_iterval((AV*)hash, entry));
2338 else if (gimme == G_SCALAR)
2357 I32 gimme = GIMME_V;
2358 I32 discard = (gimme == G_VOID) ? G_DISCARD : 0;
2362 if (op->op_private & OPpSLICE) {
2366 hvtype = SvTYPE(hv);
2367 while (++MARK <= SP) {
2368 if (hvtype == SVt_PVHV)
2369 sv = hv_delete_ent(hv, *MARK, discard, 0);
2370 else if (hvtype == SVt_PVAV)
2371 sv = avhv_delete_ent((AV*)hv, *MARK, discard, 0);
2373 DIE("Not a HASH reference");
2374 *MARK = sv ? sv : &sv_undef;
2378 else if (gimme == G_SCALAR) {
2387 if (SvTYPE(hv) == SVt_PVHV)
2388 sv = hv_delete_ent(hv, keysv, discard, 0);
2389 else if (SvTYPE(hv) == SVt_PVAV)
2390 sv = avhv_delete_ent((AV*)hv, keysv, discard, 0);
2392 DIE("Not a HASH reference");
2406 if (SvTYPE(hv) == SVt_PVHV) {
2407 if (hv_exists_ent(hv, tmpsv, 0))
2409 } else if (SvTYPE(hv) == SVt_PVAV) {
2410 if (avhv_exists_ent((AV*)hv, tmpsv, 0))
2413 DIE("Not a HASH reference");
2420 djSP; dMARK; dORIGMARK;
2422 register HV *hv = (HV*)POPs;
2423 register I32 lval = op->op_flags & OPf_MOD;
2424 I32 realhv = (SvTYPE(hv) == SVt_PVHV);
2426 if (realhv || SvTYPE(hv) == SVt_PVAV) {
2427 while (++MARK <= SP) {
2431 he = hv_fetch_ent(hv, keysv, lval, 0);
2432 svp = he ? &HeVAL(he) : 0;
2434 svp = avhv_fetch_ent((AV*)hv, keysv, lval, 0);
2437 if (!he || HeVAL(he) == &sv_undef)
2438 DIE(no_helem, SvPV(keysv, na));
2439 if (op->op_private & OPpLVAL_INTRO)
2440 save_helem(hv, keysv, &HeVAL(he));
2442 *MARK = he ? HeVAL(he) : &sv_undef;
2445 if (GIMME != G_ARRAY) {
2453 /* List operators. */
2458 if (GIMME != G_ARRAY) {
2460 *MARK = *SP; /* unwanted list, return last item */
2471 SV **lastrelem = stack_sp;
2472 SV **lastlelem = stack_base + POPMARK;
2473 SV **firstlelem = stack_base + POPMARK + 1;
2474 register SV **firstrelem = lastlelem + 1;
2475 I32 arybase = curcop->cop_arybase;
2476 I32 lval = op->op_flags & OPf_MOD;
2477 I32 is_something_there = lval;
2479 register I32 max = lastrelem - lastlelem;
2480 register SV **lelem;
2483 if (GIMME != G_ARRAY) {
2484 ix = SvIVx(*lastlelem);
2489 if (ix < 0 || ix >= max)
2490 *firstlelem = &sv_undef;
2492 *firstlelem = firstrelem[ix];
2498 SP = firstlelem - 1;
2502 for (lelem = firstlelem; lelem <= lastlelem; lelem++) {
2508 else if (!(*lelem = firstrelem[ix]))
2513 if (ix >= max || !(*lelem = firstrelem[ix]))
2516 if (!is_something_there && (SvOK(*lelem) || SvGMAGICAL(*lelem)))
2517 is_something_there = TRUE;
2519 if (is_something_there)
2522 SP = firstlelem - 1;
2528 djSP; dMARK; dORIGMARK;
2529 I32 items = SP - MARK;
2530 SV *av = sv_2mortal((SV*)av_make(items, MARK+1));
2531 SP = ORIGMARK; /* av_make() might realloc stack_sp */
2538 djSP; dMARK; dORIGMARK;
2539 HV* hv = (HV*)sv_2mortal((SV*)newHV());
2543 SV *val = NEWSV(46, 0);
2545 sv_setsv(val, *++MARK);
2547 warn("Odd number of elements in hash assignment");
2548 (void)hv_store_ent(hv,key,val,0);
2557 djSP; dMARK; dORIGMARK;
2558 register AV *ary = (AV*)*++MARK;
2562 register I32 offset;
2563 register I32 length;
2570 if (SvRMAGICAL(ary) && (mg = mg_find((SV*)ary,'P'))) {
2571 *MARK-- = mg->mg_obj;
2575 perl_call_method("SPLICE",GIMME_V);
2584 offset = i = SvIVx(*MARK);
2586 offset += AvFILLp(ary) + 1;
2588 offset -= curcop->cop_arybase;
2592 length = SvIVx(*MARK++);
2597 length = AvMAX(ary) + 1; /* close enough to infinity */
2601 length = AvMAX(ary) + 1;
2603 if (offset > AvFILLp(ary) + 1)
2604 offset = AvFILLp(ary) + 1;
2605 after = AvFILLp(ary) + 1 - (offset + length);
2606 if (after < 0) { /* not that much array */
2607 length += after; /* offset+length now in array */
2613 /* At this point, MARK .. SP-1 is our new LIST */
2616 diff = newlen - length;
2617 if (newlen && !AvREAL(ary)) {
2621 assert(AvREAL(ary)); /* would leak, so croak */
2624 if (diff < 0) { /* shrinking the area */
2626 New(451, tmparyval, newlen, SV*); /* so remember insertion */
2627 Copy(MARK, tmparyval, newlen, SV*);
2630 MARK = ORIGMARK + 1;
2631 if (GIMME == G_ARRAY) { /* copy return vals to stack */
2632 MEXTEND(MARK, length);
2633 Copy(AvARRAY(ary)+offset, MARK, length, SV*);
2635 EXTEND_MORTAL(length);
2636 for (i = length, dst = MARK; i; i--) {
2637 if (!SvIMMORTAL(*dst))
2638 sv_2mortal(*dst); /* free them eventualy */
2645 *MARK = AvARRAY(ary)[offset+length-1];
2647 if (!SvIMMORTAL(*MARK))
2649 for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--)
2650 SvREFCNT_dec(*dst++); /* free them now */
2653 AvFILLp(ary) += diff;
2655 /* pull up or down? */
2657 if (offset < after) { /* easier to pull up */
2658 if (offset) { /* esp. if nothing to pull */
2659 src = &AvARRAY(ary)[offset-1];
2660 dst = src - diff; /* diff is negative */
2661 for (i = offset; i > 0; i--) /* can't trust Copy */
2665 SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */
2669 if (after) { /* anything to pull down? */
2670 src = AvARRAY(ary) + offset + length;
2671 dst = src + diff; /* diff is negative */
2672 Move(src, dst, after, SV*);
2674 dst = &AvARRAY(ary)[AvFILLp(ary)+1];
2675 /* avoid later double free */
2679 dst[--i] = &sv_undef;
2682 for (src = tmparyval, dst = AvARRAY(ary) + offset;
2684 *dst = NEWSV(46, 0);
2685 sv_setsv(*dst++, *src++);
2687 Safefree(tmparyval);
2690 else { /* no, expanding (or same) */
2692 New(452, tmparyval, length, SV*); /* so remember deletion */
2693 Copy(AvARRAY(ary)+offset, tmparyval, length, SV*);
2696 if (diff > 0) { /* expanding */
2698 /* push up or down? */
2700 if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) {
2704 Move(src, dst, offset, SV*);
2706 SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */
2708 AvFILLp(ary) += diff;
2711 if (AvFILLp(ary) + diff >= AvMAX(ary)) /* oh, well */
2712 av_extend(ary, AvFILLp(ary) + diff);
2713 AvFILLp(ary) += diff;
2716 dst = AvARRAY(ary) + AvFILLp(ary);
2718 for (i = after; i; i--) {
2725 for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) {
2726 *dst = NEWSV(46, 0);
2727 sv_setsv(*dst++, *src++);
2729 MARK = ORIGMARK + 1;
2730 if (GIMME == G_ARRAY) { /* copy return vals to stack */
2732 Copy(tmparyval, MARK, length, SV*);
2734 EXTEND_MORTAL(length);
2735 for (i = length, dst = MARK; i; i--) {
2736 if (!SvIMMORTAL(*dst))
2737 sv_2mortal(*dst); /* free them eventualy */
2741 Safefree(tmparyval);
2745 else if (length--) {
2746 *MARK = tmparyval[length];
2748 if (!SvIMMORTAL(*MARK))
2750 while (length-- > 0)
2751 SvREFCNT_dec(tmparyval[length]);
2753 Safefree(tmparyval);
2764 djSP; dMARK; dORIGMARK; dTARGET;
2765 register AV *ary = (AV*)*++MARK;
2766 register SV *sv = &sv_undef;
2769 if (SvRMAGICAL(ary) && (mg = mg_find((SV*)ary,'P'))) {
2770 *MARK-- = mg->mg_obj;
2774 perl_call_method("PUSH",G_SCALAR|G_DISCARD);
2779 /* Why no pre-extend of ary here ? */
2780 for (++MARK; MARK <= SP; MARK++) {
2783 sv_setsv(sv, *MARK);
2788 PUSHi( AvFILL(ary) + 1 );
2796 SV *sv = av_pop(av);
2797 if (!SvIMMORTAL(sv) && AvREAL(av))
2798 (void)sv_2mortal(sv);
2807 SV *sv = av_shift(av);
2811 if (!SvIMMORTAL(sv) && AvREAL(av))
2812 (void)sv_2mortal(sv);
2819 djSP; dMARK; dORIGMARK; dTARGET;
2820 register AV *ary = (AV*)*++MARK;
2825 if (SvRMAGICAL(ary) && (mg = mg_find((SV*)ary,'P'))) {
2826 *MARK-- = mg->mg_obj;
2830 perl_call_method("UNSHIFT",G_SCALAR|G_DISCARD);
2835 av_unshift(ary, SP - MARK);
2838 sv_setsv(sv, *++MARK);
2839 (void)av_store(ary, i++, sv);
2843 PUSHi( AvFILL(ary) + 1 );
2853 if (GIMME == G_ARRAY) {
2864 register char *down;
2870 do_join(TARG, &sv_no, MARK, SP);
2872 sv_setsv(TARG, (SP > MARK) ? *SP : DEFSV);
2873 up = SvPV_force(TARG, len);
2875 down = SvPVX(TARG) + len - 1;
2881 (void)SvPOK_only(TARG);
2890 mul128(SV *sv, U8 m)
2893 char *s = SvPV(sv, len);
2897 if (!strnEQ(s, "0000", 4)) { /* need to grow sv */
2898 SV *tmpNew = newSVpv("0000000000", 10);
2900 sv_catsv(tmpNew, sv);
2901 SvREFCNT_dec(sv); /* free old sv */
2906 while (!*t) /* trailing '\0'? */
2909 i = ((*t - '0') << 7) + m;
2910 *(t--) = '0' + (i % 10);
2916 /* Explosives and implosives. */
2923 I32 gimme = GIMME_V;
2927 register char *pat = SvPV(left, llen);
2928 register char *s = SvPV(right, rlen);
2929 char *strend = s + rlen;
2931 register char *patend = pat + llen;
2936 /* These must not be in registers: */
2947 unsigned Quad_t auquad;
2953 register U32 culong;
2955 static char* bitcount = 0;
2958 if (gimme != G_ARRAY) { /* arrange to do first one only */
2960 for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ;
2961 if (strchr("aAbBhHP", *patend) || *pat == '%') {
2963 while (isDIGIT(*patend) || *patend == '*')
2969 while (pat < patend) {
2971 datumtype = *pat++ & 0xFF;
2972 if (isSPACE(datumtype))
2976 else if (*pat == '*') {
2977 len = strend - strbeg; /* long enough */
2980 else if (isDIGIT(*pat)) {
2982 while (isDIGIT(*pat))
2983 len = (len * 10) + (*pat++ - '0');
2986 len = (datumtype != '@');
2989 croak("Invalid type in unpack: '%c'", (int)datumtype);
2990 case ',': /* grandfather in commas but with a warning */
2991 if (commas++ == 0 && dowarn)
2992 warn("Invalid type in unpack: '%c'", (int)datumtype);
2995 if (len == 1 && pat[-1] != '1')
3004 if (len > strend - strbeg)
3005 DIE("@ outside of string");
3009 if (len > s - strbeg)
3010 DIE("X outside of string");
3014 if (len > strend - s)
3015 DIE("x outside of string");
3020 if (len > strend - s)
3023 goto uchar_checksum;
3024 sv = NEWSV(35, len);
3025 sv_setpvn(sv, s, len);
3027 if (datumtype == 'A') {
3028 aptr = s; /* borrow register */
3029 s = SvPVX(sv) + len - 1;
3030 while (s >= SvPVX(sv) && (!*s || isSPACE(*s)))
3033 SvCUR_set(sv, s - SvPVX(sv));
3034 s = aptr; /* unborrow register */
3036 XPUSHs(sv_2mortal(sv));
3040 if (pat[-1] == '*' || len > (strend - s) * 8)
3041 len = (strend - s) * 8;
3044 Newz(601, bitcount, 256, char);
3045 for (bits = 1; bits < 256; bits++) {
3046 if (bits & 1) bitcount[bits]++;
3047 if (bits & 2) bitcount[bits]++;
3048 if (bits & 4) bitcount[bits]++;
3049 if (bits & 8) bitcount[bits]++;
3050 if (bits & 16) bitcount[bits]++;
3051 if (bits & 32) bitcount[bits]++;
3052 if (bits & 64) bitcount[bits]++;
3053 if (bits & 128) bitcount[bits]++;
3057 culong += bitcount[*(unsigned char*)s++];
3062 if (datumtype == 'b') {
3064 if (bits & 1) culong++;
3070 if (bits & 128) culong++;
3077 sv = NEWSV(35, len + 1);
3080 aptr = pat; /* borrow register */
3082 if (datumtype == 'b') {
3084 for (len = 0; len < aint; len++) {
3085 if (len & 7) /*SUPPRESS 595*/
3089 *pat++ = '0' + (bits & 1);
3094 for (len = 0; len < aint; len++) {
3099 *pat++ = '0' + ((bits & 128) != 0);
3103 pat = aptr; /* unborrow register */
3104 XPUSHs(sv_2mortal(sv));
3108 if (pat[-1] == '*' || len > (strend - s) * 2)
3109 len = (strend - s) * 2;
3110 sv = NEWSV(35, len + 1);
3113 aptr = pat; /* borrow register */
3115 if (datumtype == 'h') {
3117 for (len = 0; len < aint; len++) {
3122 *pat++ = hexdigit[bits & 15];
3127 for (len = 0; len < aint; len++) {
3132 *pat++ = hexdigit[(bits >> 4) & 15];
3136 pat = aptr; /* unborrow register */
3137 XPUSHs(sv_2mortal(sv));
3140 if (len > strend - s)
3145 if (aint >= 128) /* fake up signed chars */
3155 if (aint >= 128) /* fake up signed chars */
3158 sv_setiv(sv, (IV)aint);
3159 PUSHs(sv_2mortal(sv));
3164 if (len > strend - s)
3179 sv_setiv(sv, (IV)auint);
3180 PUSHs(sv_2mortal(sv));
3185 along = (strend - s) / SIZE16;
3202 sv_setiv(sv, (IV)ashort);
3203 PUSHs(sv_2mortal(sv));
3210 along = (strend - s) / SIZE16;
3215 COPY16(s, &aushort);
3218 if (datumtype == 'n')
3219 aushort = PerlSock_ntohs(aushort);
3222 if (datumtype == 'v')
3223 aushort = vtohs(aushort);
3232 COPY16(s, &aushort);
3236 if (datumtype == 'n')
3237 aushort = PerlSock_ntohs(aushort);
3240 if (datumtype == 'v')
3241 aushort = vtohs(aushort);
3243 sv_setiv(sv, (IV)aushort);
3244 PUSHs(sv_2mortal(sv));
3249 along = (strend - s) / sizeof(int);
3254 Copy(s, &aint, 1, int);
3257 cdouble += (double)aint;
3266 Copy(s, &aint, 1, int);
3270 /* Without the dummy below unpack("i", pack("i",-1))
3271 * return 0xFFffFFff instead of -1 for Digital Unix V4.0
3272 * cc with optimization turned on */
3274 sv_setiv(sv, (IV)aint) :
3276 sv_setiv(sv, (IV)aint);
3277 PUSHs(sv_2mortal(sv));
3282 along = (strend - s) / sizeof(unsigned int);
3287 Copy(s, &auint, 1, unsigned int);
3288 s += sizeof(unsigned int);
3290 cdouble += (double)auint;
3299 Copy(s, &auint, 1, unsigned int);
3300 s += sizeof(unsigned int);
3302 sv_setuv(sv, (UV)auint);
3303 PUSHs(sv_2mortal(sv));
3308 along = (strend - s) / SIZE32;
3316 cdouble += (double)along;
3328 sv_setiv(sv, (IV)along);
3329 PUSHs(sv_2mortal(sv));
3336 along = (strend - s) / SIZE32;
3344 if (datumtype == 'N')
3345 aulong = PerlSock_ntohl(aulong);
3348 if (datumtype == 'V')
3349 aulong = vtohl(aulong);
3352 cdouble += (double)aulong;
3364 if (datumtype == 'N')
3365 aulong = PerlSock_ntohl(aulong);
3368 if (datumtype == 'V')
3369 aulong = vtohl(aulong);
3372 sv_setuv(sv, (UV)aulong);
3373 PUSHs(sv_2mortal(sv));
3378 along = (strend - s) / sizeof(char*);
3384 if (sizeof(char*) > strend - s)
3387 Copy(s, &aptr, 1, char*);
3393 PUSHs(sv_2mortal(sv));
3403 while ((len > 0) && (s < strend)) {
3404 auv = (auv << 7) | (*s & 0x7f);
3405 if (!(*s++ & 0x80)) {
3409 PUSHs(sv_2mortal(sv));
3413 else if (++bytes >= sizeof(UV)) { /* promote to string */
3416 sv = newSVpvf("%.*Vu", (int)TYPE_DIGITS(UV), auv);
3417 while (s < strend) {
3418 sv = mul128(sv, *s & 0x7f);
3419 if (!(*s++ & 0x80)) {
3428 PUSHs(sv_2mortal(sv));
3433 if ((s >= strend) && bytes)
3434 croak("Unterminated compressed integer");
3439 if (sizeof(char*) > strend - s)
3442 Copy(s, &aptr, 1, char*);
3447 sv_setpvn(sv, aptr, len);
3448 PUSHs(sv_2mortal(sv));
3455 if (s + sizeof(Quad_t) > strend)
3458 Copy(s, &aquad, 1, Quad_t);
3459 s += sizeof(Quad_t);
3462 if (aquad >= IV_MIN && aquad <= IV_MAX)
3463 sv_setiv(sv, (IV)aquad);
3465 sv_setnv(sv, (double)aquad);
3466 PUSHs(sv_2mortal(sv));
3473 if (s + sizeof(unsigned Quad_t) > strend)
3476 Copy(s, &auquad, 1, unsigned Quad_t);
3477 s += sizeof(unsigned Quad_t);
3480 if (aquad <= UV_MAX)
3481 sv_setuv(sv, (UV)auquad);
3483 sv_setnv(sv, (double)auquad);
3484 PUSHs(sv_2mortal(sv));
3488 /* float and double added gnb@melba.bby.oz.au 22/11/89 */
3491 along = (strend - s) / sizeof(float);
3496 Copy(s, &afloat, 1, float);
3505 Copy(s, &afloat, 1, float);
3508 sv_setnv(sv, (double)afloat);
3509 PUSHs(sv_2mortal(sv));
3515 along = (strend - s) / sizeof(double);
3520 Copy(s, &adouble, 1, double);
3521 s += sizeof(double);
3529 Copy(s, &adouble, 1, double);
3530 s += sizeof(double);
3532 sv_setnv(sv, (double)adouble);
3533 PUSHs(sv_2mortal(sv));
3538 along = (strend - s) * 3 / 4;
3539 sv = NEWSV(42, along);
3542 while (s < strend && *s > ' ' && *s < 'a') {
3547 len = (*s++ - ' ') & 077;
3549 if (s < strend && *s >= ' ')
3550 a = (*s++ - ' ') & 077;
3553 if (s < strend && *s >= ' ')
3554 b = (*s++ - ' ') & 077;
3557 if (s < strend && *s >= ' ')
3558 c = (*s++ - ' ') & 077;
3561 if (s < strend && *s >= ' ')
3562 d = (*s++ - ' ') & 077;
3565 hunk[0] = (a << 2) | (b >> 4);
3566 hunk[1] = (b << 4) | (c >> 2);
3567 hunk[2] = (c << 6) | d;
3568 sv_catpvn(sv, hunk, (len > 3) ? 3 : len);
3573 else if (s[1] == '\n') /* possible checksum byte */
3576 XPUSHs(sv_2mortal(sv));
3581 if (strchr("fFdD", datumtype) ||
3582 (checksum > 32 && strchr("iIlLN", datumtype)) ) {
3586 while (checksum >= 16) {
3590 while (checksum >= 4) {
3596 along = (1 << checksum) - 1;
3597 while (cdouble < 0.0)
3599 cdouble = modf(cdouble / adouble, &trouble) * adouble;
3600 sv_setnv(sv, cdouble);
3603 if (checksum < 32) {
3604 aulong = (1 << checksum) - 1;
3607 sv_setuv(sv, (UV)culong);
3609 XPUSHs(sv_2mortal(sv));
3613 if (SP == oldsp && gimme == G_SCALAR)
3619 doencodes(register SV *sv, register char *s, register I32 len)
3624 sv_catpvn(sv, hunk, 1);
3627 hunk[0] = ' ' + (077 & (*s >> 2));
3628 hunk[1] = ' ' + (077 & (((*s << 4) & 060) | ((s[1] >> 4) & 017)));
3629 hunk[2] = ' ' + (077 & (((s[1] << 2) & 074) | ((s[2] >> 6) & 03)));
3630 hunk[3] = ' ' + (077 & (s[2] & 077));
3631 sv_catpvn(sv, hunk, 4);
3635 for (s = SvPVX(sv); *s; s++) {
3639 sv_catpvn(sv, "\n", 1);
3643 is_an_int(char *s, STRLEN l)
3645 SV *result = newSVpv("", l);
3646 char *result_c = SvPV(result, na); /* convenience */
3647 char *out = result_c;
3657 SvREFCNT_dec(result);
3680 SvREFCNT_dec(result);
3686 SvCUR_set(result, out - result_c);
3691 div128(SV *pnum, bool *done)
3692 /* must be '\0' terminated */
3696 char *s = SvPV(pnum, len);
3705 i = m * 10 + (*t - '0');
3707 r = (i >> 7); /* r < 10 */
3714 SvCUR_set(pnum, (STRLEN) (t - s));
3721 djSP; dMARK; dORIGMARK; dTARGET;
3722 register SV *cat = TARG;
3725 register char *pat = SvPVx(*++MARK, fromlen);
3726 register char *patend = pat + fromlen;
3731 static char null10[] = {0,0,0,0,0,0,0,0,0,0};
3732 static char *space10 = " ";
3734 /* These must not be in registers: */
3743 unsigned Quad_t auquad;
3752 sv_setpvn(cat, "", 0);
3753 while (pat < patend) {
3754 #define NEXTFROM (items-- > 0 ? *MARK++ : &sv_no)
3755 datumtype = *pat++ & 0xFF;
3756 if (isSPACE(datumtype))
3759 len = strchr("@Xxu", datumtype) ? 0 : items;
3762 else if (isDIGIT(*pat)) {
3764 while (isDIGIT(*pat))
3765 len = (len * 10) + (*pat++ - '0');
3771 croak("Invalid type in pack: '%c'", (int)datumtype);
3772 case ',': /* grandfather in commas but with a warning */
3773 if (commas++ == 0 && dowarn)
3774 warn("Invalid type in pack: '%c'", (int)datumtype);
3777 DIE("%% may only be used in unpack");
3788 if (SvCUR(cat) < len)
3789 DIE("X outside of string");
3796 sv_catpvn(cat, null10, 10);
3799 sv_catpvn(cat, null10, len);
3804 aptr = SvPV(fromstr, fromlen);
3808 sv_catpvn(cat, aptr, len);
3810 sv_catpvn(cat, aptr, fromlen);
3812 if (datumtype == 'A') {
3814 sv_catpvn(cat, space10, 10);
3817 sv_catpvn(cat, space10, len);
3821 sv_catpvn(cat, null10, 10);
3824 sv_catpvn(cat, null10, len);
3831 char *savepat = pat;
3836 aptr = SvPV(fromstr, fromlen);
3841 SvCUR(cat) += (len+7)/8;
3842 SvGROW(cat, SvCUR(cat) + 1);
3843 aptr = SvPVX(cat) + aint;
3848 if (datumtype == 'B') {
3849 for (len = 0; len++ < aint;) {
3850 items |= *pat++ & 1;
3854 *aptr++ = items & 0xff;
3860 for (len = 0; len++ < aint;) {
3866 *aptr++ = items & 0xff;
3872 if (datumtype == 'B')
3873 items <<= 7 - (aint & 7);
3875 items >>= 7 - (aint & 7);
3876 *aptr++ = items & 0xff;
3878 pat = SvPVX(cat) + SvCUR(cat);
3889 char *savepat = pat;
3894 aptr = SvPV(fromstr, fromlen);
3899 SvCUR(cat) += (len+1)/2;
3900 SvGROW(cat, SvCUR(cat) + 1);
3901 aptr = SvPVX(cat) + aint;
3906 if (datumtype == 'H') {
3907 for (len = 0; len++ < aint;) {
3909 items |= ((*pat++ & 15) + 9) & 15;
3911 items |= *pat++ & 15;
3915 *aptr++ = items & 0xff;
3921 for (len = 0; len++ < aint;) {
3923 items |= (((*pat++ & 15) + 9) & 15) << 4;
3925 items |= (*pat++ & 15) << 4;
3929 *aptr++ = items & 0xff;
3935 *aptr++ = items & 0xff;
3936 pat = SvPVX(cat) + SvCUR(cat);
3948 aint = SvIV(fromstr);
3950 sv_catpvn(cat, &achar, sizeof(char));
3953 /* Float and double added by gnb@melba.bby.oz.au 22/11/89 */
3958 afloat = (float)SvNV(fromstr);
3959 sv_catpvn(cat, (char *)&afloat, sizeof (float));
3966 adouble = (double)SvNV(fromstr);
3967 sv_catpvn(cat, (char *)&adouble, sizeof (double));
3973 ashort = (I16)SvIV(fromstr);
3975 ashort = PerlSock_htons(ashort);
3977 CAT16(cat, &ashort);
3983 ashort = (I16)SvIV(fromstr);
3985 ashort = htovs(ashort);
3987 CAT16(cat, &ashort);
3994 ashort = (I16)SvIV(fromstr);
3995 CAT16(cat, &ashort);
4001 auint = SvUV(fromstr);
4002 sv_catpvn(cat, (char*)&auint, sizeof(unsigned int));
4008 adouble = floor(SvNV(fromstr));
4011 croak("Cannot compress negative numbers");
4017 #ifdef CXUX_BROKEN_CONSTANT_CONVERT
4018 adouble <= UV_MAX_cxux
4025 char buf[1 + sizeof(UV)];
4026 char *in = buf + sizeof(buf);
4027 UV auv = U_V(adouble);;
4030 *--in = (auv & 0x7f) | 0x80;
4033 buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */
4034 sv_catpvn(cat, in, (buf + sizeof(buf)) - in);
4036 else if (SvPOKp(fromstr)) { /* decimal string arithmetics */
4037 char *from, *result, *in;
4042 /* Copy string and check for compliance */
4043 from = SvPV(fromstr, len);
4044 if ((norm = is_an_int(from, len)) == NULL)
4045 croak("can compress only unsigned integer");
4047 New('w', result, len, char);
4051 *--in = div128(norm, &done) | 0x80;
4052 result[len - 1] &= 0x7F; /* clear continue bit */
4053 sv_catpvn(cat, in, (result + len) - in);
4055 SvREFCNT_dec(norm); /* free norm */
4057 else if (SvNOKp(fromstr)) {
4058 char buf[sizeof(double) * 2]; /* 8/7 <= 2 */
4059 char *in = buf + sizeof(buf);
4062 double next = floor(adouble / 128);
4063 *--in = (unsigned char)(adouble - (next * 128)) | 0x80;
4064 if (--in < buf) /* this cannot happen ;-) */
4065 croak ("Cannot compress integer");
4067 } while (adouble > 0);
4068 buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */
4069 sv_catpvn(cat, in, (buf + sizeof(buf)) - in);
4072 croak("Cannot compress non integer");
4078 aint = SvIV(fromstr);
4079 sv_catpvn(cat, (char*)&aint, sizeof(int));
4085 aulong = SvUV(fromstr);
4087 aulong = PerlSock_htonl(aulong);
4089 CAT32(cat, &aulong);
4095 aulong = SvUV(fromstr);
4097 aulong = htovl(aulong);
4099 CAT32(cat, &aulong);
4105 aulong = SvUV(fromstr);
4106 CAT32(cat, &aulong);
4112 along = SvIV(fromstr);
4120 auquad = (unsigned Quad_t)SvIV(fromstr);
4121 sv_catpvn(cat, (char*)&auquad, sizeof(unsigned Quad_t));
4127 aquad = (Quad_t)SvIV(fromstr);
4128 sv_catpvn(cat, (char*)&aquad, sizeof(Quad_t));
4131 #endif /* HAS_QUAD */
4133 len = 1; /* assume SV is correct length */
4138 if (fromstr == &sv_undef)
4141 /* XXX better yet, could spirit away the string to
4142 * a safe spot and hang on to it until the result
4143 * of pack() (and all copies of the result) are
4146 if (dowarn && (SvTEMP(fromstr) || SvPADTMP(fromstr)))
4147 warn("Attempt to pack pointer to temporary value");
4148 if (SvPOK(fromstr) || SvNIOK(fromstr))
4149 aptr = SvPV(fromstr,na);
4151 aptr = SvPV_force(fromstr,na);
4153 sv_catpvn(cat, (char*)&aptr, sizeof(char*));
4158 aptr = SvPV(fromstr, fromlen);
4159 SvGROW(cat, fromlen * 4 / 3);
4164 while (fromlen > 0) {
4171 doencodes(cat, aptr, todo);
4190 register I32 limit = POPi; /* note, negative is forever */
4193 register char *s = SvPV(sv, len);
4194 char *strend = s + len;
4196 register REGEXP *rx;
4200 I32 maxiters = (strend - s) + 10;
4203 I32 origlimit = limit;
4206 AV *oldstack = curstack;
4207 I32 gimme = GIMME_V;
4208 I32 oldsave = savestack_ix;
4209 I32 make_mortal = 1;
4210 MAGIC *mg = (MAGIC *) NULL;
4213 Copy(&LvTARGOFF(POPs), &pm, 1, PMOP*);
4218 DIE("panic: do_split");
4219 rx = pm->op_pmregexp;
4221 TAINT_IF((pm->op_pmflags & PMf_LOCALE) &&
4222 (pm->op_pmflags & (PMf_WHITE | PMf_SKIPWHITE)));
4224 if (pm->op_pmreplroot)
4225 ary = GvAVn((GV*)pm->op_pmreplroot);
4226 else if (gimme != G_ARRAY)
4228 ary = (AV*)curpad[0];
4231 #endif /* USE_THREADS */
4234 if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) {
4240 if (SvRMAGICAL(ary) && (mg = mg_find((SV *) ary, 'P'))) {
4247 for (i = AvFILLp(ary); i >= 0; i--)
4248 AvARRAY(ary)[i] = &sv_undef; /* don't free mere refs */
4250 /* temporarily switch stacks */
4251 SWITCHSTACK(curstack, ary);
4255 base = SP - stack_base;
4257 if (pm->op_pmflags & PMf_SKIPWHITE) {
4258 if (pm->op_pmflags & PMf_LOCALE) {
4259 while (isSPACE_LC(*s))
4267 if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) {
4269 multiline = pm->op_pmflags & PMf_MULTILINE;
4273 limit = maxiters + 2;
4274 if (pm->op_pmflags & PMf_WHITE) {
4277 while (m < strend &&
4278 !((pm->op_pmflags & PMf_LOCALE)
4279 ? isSPACE_LC(*m) : isSPACE(*m)))
4284 dstr = NEWSV(30, m-s);
4285 sv_setpvn(dstr, s, m-s);
4291 while (s < strend &&
4292 ((pm->op_pmflags & PMf_LOCALE)
4293 ? isSPACE_LC(*s) : isSPACE(*s)))
4297 else if (strEQ("^", rx->precomp)) {
4300 for (m = s; m < strend && *m != '\n'; m++) ;
4304 dstr = NEWSV(30, m-s);
4305 sv_setpvn(dstr, s, m-s);
4312 else if (rx->check_substr && !rx->nparens
4313 && (rx->reganch & ROPT_CHECK_ALL)
4314 && !(rx->reganch & ROPT_ANCH)) {
4315 i = SvCUR(rx->check_substr);
4316 if (i == 1 && !SvTAIL(rx->check_substr)) {
4317 i = *SvPVX(rx->check_substr);
4320 for (m = s; m < strend && *m != i; m++) ;
4323 dstr = NEWSV(30, m-s);
4324 sv_setpvn(dstr, s, m-s);
4333 while (s < strend && --limit &&
4334 (m=fbm_instr((unsigned char*)s, (unsigned char*)strend,
4335 rx->check_substr)) )
4338 dstr = NEWSV(31, m-s);
4339 sv_setpvn(dstr, s, m-s);
4348 maxiters += (strend - s) * rx->nparens;
4349 while (s < strend && --limit &&
4350 regexec_flags(rx, s, strend, orig, 1, Nullsv, NULL, 0))
4352 TAINT_IF(RX_MATCH_TAINTED(rx));
4354 && rx->subbase != orig) {
4359 strend = s + (strend - m);
4362 dstr = NEWSV(32, m-s);
4363 sv_setpvn(dstr, s, m-s);
4368 for (i = 1; i <= rx->nparens; i++) {
4372 dstr = NEWSV(33, m-s);
4373 sv_setpvn(dstr, s, m-s);
4376 dstr = NEWSV(33, 0);
4386 LEAVE_SCOPE(oldsave);
4387 iters = (SP - stack_base) - base;
4388 if (iters > maxiters)
4391 /* keep field after final delim? */
4392 if (s < strend || (iters && origlimit)) {
4393 dstr = NEWSV(34, strend-s);
4394 sv_setpvn(dstr, s, strend-s);
4400 else if (!origlimit) {
4401 while (iters > 0 && (!TOPs || !SvANY(TOPs) || SvCUR(TOPs) == 0))
4407 SWITCHSTACK(ary, oldstack);
4408 if (SvSMAGICAL(ary)) {
4413 if (gimme == G_ARRAY) {
4415 Copy(AvARRAY(ary), SP + 1, iters, SV*);
4423 perl_call_method("PUSH",G_SCALAR|G_DISCARD);
4426 if (gimme == G_ARRAY) {
4427 /* EXTEND should not be needed - we just popped them */
4429 for (i=0; i < iters; i++) {
4430 SV **svp = av_fetch(ary, i, FALSE);
4431 PUSHs((svp) ? *svp : &sv_undef);
4438 if (gimme == G_ARRAY)
4441 if (iters || !pm->op_pmreplroot) {
4451 unlock_condpair(void *svv)
4454 MAGIC *mg = mg_find((SV*)svv, 'm');
4457 croak("panic: unlock_condpair unlocking non-mutex");
4458 MUTEX_LOCK(MgMUTEXP(mg));
4459 if (MgOWNER(mg) != thr)
4460 croak("panic: unlock_condpair unlocking mutex that we don't own");
4462 COND_SIGNAL(MgOWNERCONDP(mg));
4463 DEBUG_L(PerlIO_printf(PerlIO_stderr(), "0x%lx: unlock 0x%lx\n",
4464 (unsigned long)thr, (unsigned long)svv);)
4465 MUTEX_UNLOCK(MgMUTEXP(mg));
4467 #endif /* USE_THREADS */
4480 mg = condpair_magic(sv);
4481 MUTEX_LOCK(MgMUTEXP(mg));
4482 if (MgOWNER(mg) == thr)
4483 MUTEX_UNLOCK(MgMUTEXP(mg));
4486 COND_WAIT(MgOWNERCONDP(mg), MgMUTEXP(mg));
4488 DEBUG_L(PerlIO_printf(PerlIO_stderr(), "0x%lx: pp_lock lock 0x%lx\n",
4489 (unsigned long)thr, (unsigned long)sv);)
4490 MUTEX_UNLOCK(MgMUTEXP(mg));
4491 SvREFCNT_inc(sv); /* keep alive until magic_mutexfree */
4492 save_destructor(unlock_condpair, sv);
4494 #endif /* USE_THREADS */
4495 if (SvTYPE(retsv) == SVt_PVAV || SvTYPE(retsv) == SVt_PVHV
4496 || SvTYPE(retsv) == SVt_PVCV) {
4497 retsv = refto(retsv);
4508 if (op->op_private & OPpLVAL_INTRO)
4509 PUSHs(*save_threadsv(op->op_targ));
4511 PUSHs(THREADSV(op->op_targ));
4514 DIE("tried to access per-thread data in non-threaded perl");
4515 #endif /* USE_THREADS */