3 * Copyright (c) 1991-1994, 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 * Types used in bitwise operations.
21 * Normally we'd just use IV and UV. However, some hardware and
22 * software combinations (e.g. Alpha and current OSF/1) don't have a
23 * floating-point type to use for NV that has adequate bits to fully
24 * hold an IV/UV. (In other words, sizeof(long) == sizeof(double).)
26 * It just so happens that "int" is the right size everywhere, at
32 static void doencodes _((SV* sv, char* s, I32 len));
33 static SV* refto _((SV* sv));
34 static U32 seed _((void));
36 static bool srand_called = FALSE;
38 /* variations on pp_null */
43 if (GIMME != G_ARRAY) {
59 if (op->op_private & OPpLVAL_INTRO)
60 SAVECLEARSV(curpad[op->op_targ]);
62 if (op->op_flags & OPf_REF) {
66 if (GIMME == G_ARRAY) {
67 I32 maxarg = AvFILL((AV*)TARG) + 1;
69 Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*);
73 SV* sv = sv_newmortal();
74 I32 maxarg = AvFILL((AV*)TARG) + 1;
85 if (op->op_private & OPpLVAL_INTRO)
86 SAVECLEARSV(curpad[op->op_targ]);
87 if (op->op_flags & OPf_REF)
89 if (GIMME == G_ARRAY) { /* array wanted */
90 RETURNOP(do_kv(ARGS));
93 SV* sv = sv_newmortal();
94 if (HvFILL((HV*)TARG)) {
95 sprintf(buf, "%d/%d", HvFILL((HV*)TARG), HvMAX((HV*)TARG)+1);
107 DIE("NOT IMPL LINE %d",__LINE__);
119 if (SvTYPE(sv) == SVt_PVIO) {
120 GV *gv = (GV*) sv_newmortal();
121 gv_init(gv, 0, "", 0, 0);
122 GvIOp(gv) = (IO *)sv;
125 } else if (SvTYPE(sv) != SVt_PVGV)
126 DIE("Not a GLOB reference");
129 if (SvTYPE(sv) != SVt_PVGV) {
132 if (SvGMAGICAL(sv)) {
138 if (op->op_flags & OPf_REF ||
139 op->op_private & HINT_STRICT_REFS)
140 DIE(no_usym, "a symbol");
144 if (op->op_private & HINT_STRICT_REFS)
145 DIE(no_symref, sym, "a symbol");
146 sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV);
149 if (op->op_private & OPpLVAL_INTRO)
150 save_gp((GV*)sv, !(op->op_flags & OPf_SPECIAL));
162 switch (SvTYPE(sv)) {
166 DIE("Not a SCALAR reference");
173 if (SvTYPE(gv) != SVt_PVGV) {
174 if (SvGMAGICAL(sv)) {
180 if (op->op_flags & OPf_REF ||
181 op->op_private & HINT_STRICT_REFS)
182 DIE(no_usym, "a SCALAR");
186 if (op->op_private & HINT_STRICT_REFS)
187 DIE(no_symref, sym, "a SCALAR");
188 gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV);
192 if (op->op_flags & OPf_MOD) {
193 if (op->op_private & OPpLVAL_INTRO)
194 sv = save_scalar((GV*)TOPs);
195 else if (op->op_private & OPpDEREF)
206 SV *sv = AvARYLEN(av);
208 AvARYLEN(av) = sv = NEWSV(0,0);
209 sv_upgrade(sv, SVt_IV);
210 sv_magic(sv, (SV*)av, '#', Nullch, 0);
218 dSP; dTARGET; dPOPss;
220 if (op->op_flags & OPf_MOD) {
221 if (SvTYPE(TARG) < SVt_PVLV) {
222 sv_upgrade(TARG, SVt_PVLV);
223 sv_magic(TARG, Nullsv, '.', Nullch, 0);
228 PUSHs(TARG); /* no SvSETMAGIC */
234 if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) {
235 mg = mg_find(sv, 'g');
236 if (mg && mg->mg_len >= 0) {
237 PUSHi(mg->mg_len + curcop->cop_arybase);
251 /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */
252 /* (But not in defined().) */
253 CV *cv = sv_2cv(TOPs, &stash, &gv, !(op->op_flags & OPf_SPECIAL));
256 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
273 cv = sv_2cv(TOPs, &stash, &gv, FALSE);
275 ret = sv_2mortal(newSVpv(SvPVX(cv), SvCUR(cv)));
283 CV* cv = (CV*)curpad[op->op_targ];
285 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
301 if (GIMME != G_ARRAY) {
305 EXTEND_MORTAL(SP - MARK);
307 *MARK = refto(*MARK);
317 if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') {
323 else if (SvPADTMP(sv))
327 (void)SvREFCNT_inc(sv);
330 sv_upgrade(rv, SVt_RV);
344 if (sv && SvGMAGICAL(sv))
347 if (!sv || !SvROK(sv))
351 pv = sv_reftype(sv,TRUE);
352 PUSHp(pv, strlen(pv));
362 stash = curcop->cop_stash;
364 stash = gv_stashsv(POPs, TRUE);
366 (void)sv_bless(TOPs, stash);
370 /* Pattern matching */
375 register unsigned char *s;
378 register I32 *sfirst;
382 if (sv == lastscream) {
388 SvSCREAM_off(lastscream);
389 SvREFCNT_dec(lastscream);
391 lastscream = SvREFCNT_inc(sv);
394 s = (unsigned char*)(SvPV(sv, len));
398 if (pos > maxscream) {
400 maxscream = pos + 80;
401 New(301, screamfirst, 256, I32);
402 New(302, screamnext, maxscream, I32);
405 maxscream = pos + pos / 4;
406 Renew(screamnext, maxscream, I32);
410 sfirst = screamfirst;
413 if (!sfirst || !snext)
414 DIE("do_study: out of memory");
416 for (ch = 256; ch; --ch)
423 snext[pos] = sfirst[ch] - pos;
430 sv_magic(sv, Nullsv, 'g', Nullch, 0); /* piggyback on m//g magic */
439 if (op->op_flags & OPf_STACKED)
445 TARG = sv_newmortal();
446 PUSHi(do_trans(sv, op));
450 /* Lvalue operators. */
472 SETi(do_chomp(TOPs));
479 register I32 count = 0;
482 count += do_chomp(POPs);
493 if (!sv || !SvANY(sv))
495 switch (SvTYPE(sv)) {
497 if (AvMAX(sv) >= 0 || SvRMAGICAL(sv))
501 if (HvARRAY(sv) || SvRMAGICAL(sv))
505 if (CvROOT(sv) || CvXSUB(sv))
522 if (!op->op_private) {
531 if (SvTHINKFIRST(sv)) {
538 switch (SvTYPE(sv)) {
552 sv_setsv(sv, &sv_undef);
555 if (SvTYPE(sv) >= SVt_PV && SvPVX(sv) && SvLEN(sv)) {
558 SvPV_set(sv, Nullch);
571 if (SvREADONLY(TOPs))
573 if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) &&
574 SvIVX(TOPs) != IV_MIN)
577 SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK);
588 if (SvREADONLY(TOPs))
590 sv_setsv(TARG, TOPs);
591 if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) &&
592 SvIVX(TOPs) != IV_MAX)
595 SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK);
611 sv_setsv(TARG, TOPs);
612 if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) &&
613 SvIVX(TOPs) != IV_MIN)
616 SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK);
625 /* Ordinary operators. */
629 dSP; dATARGET; tryAMAGICbin(pow,opASSIGN);
632 SETn( pow( left, right) );
639 dSP; dATARGET; tryAMAGICbin(mult,opASSIGN);
642 SETn( left * right );
649 dSP; dATARGET; tryAMAGICbin(div,opASSIGN);
654 DIE("Illegal division by zero");
656 /* insure that 20./5. == 4. */
659 if ((double)I_V(left) == left &&
660 (double)I_V(right) == right &&
661 (k = I_V(left)/I_V(right))*I_V(right) == I_V(left)) {
664 value = left / right;
668 value = left / right;
677 dSP; dATARGET; tryAMAGICbin(mod,opASSIGN);
683 DIE("Illegal modulus zero");
685 if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) {
686 register IV left = SvIVX(TOPs);
688 SETu( (right - ((UV)(-left) - 1) % right) - 1 );
690 SETi( left % right );
693 register double left = TOPn;
695 SETu( (right - (U_V(-left) - 1) % right) - 1 );
697 SETu( U_V(left) % right );
705 dSP; dATARGET; tryAMAGICbin(repeat,opASSIGN);
707 register I32 count = POPi;
708 if (GIMME == G_ARRAY && op->op_private & OPpREPEAT_DOLIST) {
710 I32 items = SP - MARK;
722 repeatcpy((char*)(MARK + items), (char*)MARK,
723 items * sizeof(SV*), count - 1);
729 else { /* Note: mark already snarfed by pp_list */
734 if (TARG == tmpstr && SvTHINKFIRST(tmpstr)) {
735 if (SvREADONLY(tmpstr) && curcop != &compiling)
736 DIE("Can't x= to readonly value");
740 SvSetSV(TARG, tmpstr);
741 SvPV_force(TARG, len);
746 SvGROW(TARG, (count * len) + 1);
747 repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1);
748 SvCUR(TARG) *= count;
752 (void)SvPOK_only(TARG);
761 dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN);
764 SETn( left - right );
771 dSP; dATARGET; tryAMAGICbin(lshift,opASSIGN);
774 if (op->op_private & HINT_INTEGER) {
788 dSP; dATARGET; tryAMAGICbin(rshift,opASSIGN);
791 if (op->op_private & HINT_INTEGER) {
805 dSP; tryAMAGICbinSET(lt,0);
808 SETs((TOPn < value) ? &sv_yes : &sv_no);
815 dSP; tryAMAGICbinSET(gt,0);
818 SETs((TOPn > value) ? &sv_yes : &sv_no);
825 dSP; tryAMAGICbinSET(le,0);
828 SETs((TOPn <= value) ? &sv_yes : &sv_no);
835 dSP; tryAMAGICbinSET(ge,0);
838 SETs((TOPn >= value) ? &sv_yes : &sv_no);
845 dSP; tryAMAGICbinSET(ne,0);
848 SETs((TOPn != value) ? &sv_yes : &sv_no);
855 dSP; dTARGET; tryAMAGICbin(ncmp,0);
862 else if (left < right)
864 else if (left > right)
877 dSP; tryAMAGICbinSET(slt,0);
880 int cmp = ((op->op_private & OPpLOCALE)
881 ? sv_cmp_locale(left, right)
882 : sv_cmp(left, right));
883 SETs( cmp < 0 ? &sv_yes : &sv_no );
890 dSP; tryAMAGICbinSET(sgt,0);
893 int cmp = ((op->op_private & OPpLOCALE)
894 ? sv_cmp_locale(left, right)
895 : sv_cmp(left, right));
896 SETs( cmp > 0 ? &sv_yes : &sv_no );
903 dSP; tryAMAGICbinSET(sle,0);
906 int cmp = ((op->op_private & OPpLOCALE)
907 ? sv_cmp_locale(left, right)
908 : sv_cmp(left, right));
909 SETs( cmp <= 0 ? &sv_yes : &sv_no );
916 dSP; tryAMAGICbinSET(sge,0);
919 int cmp = ((op->op_private & OPpLOCALE)
920 ? sv_cmp_locale(left, right)
921 : sv_cmp(left, right));
922 SETs( cmp >= 0 ? &sv_yes : &sv_no );
929 dSP; tryAMAGICbinSET(seq,0);
932 SETs( sv_eq(left, right) ? &sv_yes : &sv_no );
939 dSP; tryAMAGICbinSET(sne,0);
942 SETs( !sv_eq(left, right) ? &sv_yes : &sv_no );
949 dSP; dTARGET; tryAMAGICbin(scmp,0);
952 int cmp = ((op->op_private & OPpLOCALE)
953 ? sv_cmp_locale(left, right)
954 : sv_cmp(left, right));
962 dSP; dATARGET; tryAMAGICbin(band,opASSIGN);
965 if (SvNIOKp(left) || SvNIOKp(right)) {
966 if (op->op_private & HINT_INTEGER) {
967 IBW value = SvIV(left) & SvIV(right);
971 UBW value = SvUV(left) & SvUV(right);
976 do_vop(op->op_type, TARG, left, right);
985 dSP; dATARGET; tryAMAGICbin(bxor,opASSIGN);
988 if (SvNIOKp(left) || SvNIOKp(right)) {
989 if (op->op_private & HINT_INTEGER) {
990 IBW value = (USE_LEFT(left) ? SvIV(left) : 0) ^ SvIV(right);
994 UBW value = (USE_LEFT(left) ? SvUV(left) : 0) ^ SvUV(right);
999 do_vop(op->op_type, TARG, left, right);
1008 dSP; dATARGET; tryAMAGICbin(bor,opASSIGN);
1011 if (SvNIOKp(left) || SvNIOKp(right)) {
1012 if (op->op_private & HINT_INTEGER) {
1013 IBW value = (USE_LEFT(left) ? SvIV(left) : 0) | SvIV(right);
1017 UBW value = (USE_LEFT(left) ? SvUV(left) : 0) | SvUV(right);
1022 do_vop(op->op_type, TARG, left, right);
1031 dSP; dTARGET; tryAMAGICun(neg);
1036 if (SvIOKp(sv) && !SvNOKp(sv) && !SvPOKp(sv) && SvIVX(sv) != IV_MIN)
1038 else if (SvNIOKp(sv))
1040 else if (SvPOKp(sv)) {
1042 char *s = SvPV(sv, len);
1043 if (isIDFIRST(*s)) {
1044 sv_setpvn(TARG, "-", 1);
1047 else if (*s == '+' || *s == '-') {
1049 *SvPV_force(TARG, len) = *s == '-' ? '+' : '-';
1052 sv_setnv(TARG, -SvNV(sv));
1064 dSP; tryAMAGICunSET(not);
1065 #endif /* OVERLOAD */
1066 *stack_sp = SvTRUE(*stack_sp) ? &sv_no : &sv_yes;
1072 dSP; dTARGET; tryAMAGICun(compl);
1076 if (op->op_private & HINT_INTEGER) {
1077 IBW value = ~SvIV(sv);
1081 UBW value = ~SvUV(sv);
1086 register char *tmps;
1087 register long *tmpl;
1092 tmps = SvPV_force(TARG, len);
1095 for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++)
1098 for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++)
1102 for ( ; anum > 0; anum--, tmps++)
1111 /* integer versions of some of the above */
1115 dSP; dATARGET; tryAMAGICbin(mult,opASSIGN);
1118 SETi( left * right );
1125 dSP; dATARGET; tryAMAGICbin(div,opASSIGN);
1129 DIE("Illegal division by zero");
1130 value = POPi / value;
1138 dSP; dATARGET; tryAMAGICbin(mod,opASSIGN);
1142 DIE("Illegal modulus zero");
1143 SETi( left % right );
1150 dSP; dATARGET; tryAMAGICbin(add,opASSIGN);
1153 SETi( left + right );
1160 dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN);
1163 SETi( left - right );
1170 dSP; tryAMAGICbinSET(lt,0);
1173 SETs((left < right) ? &sv_yes : &sv_no);
1180 dSP; tryAMAGICbinSET(gt,0);
1183 SETs((left > right) ? &sv_yes : &sv_no);
1190 dSP; tryAMAGICbinSET(le,0);
1193 SETs((left <= right) ? &sv_yes : &sv_no);
1200 dSP; tryAMAGICbinSET(ge,0);
1203 SETs((left >= right) ? &sv_yes : &sv_no);
1210 dSP; tryAMAGICbinSET(eq,0);
1213 SETs((left == right) ? &sv_yes : &sv_no);
1220 dSP; tryAMAGICbinSET(ne,0);
1223 SETs((left != right) ? &sv_yes : &sv_no);
1230 dSP; dTARGET; tryAMAGICbin(ncmp,0);
1237 else if (left < right)
1248 dSP; dTARGET; tryAMAGICun(neg);
1253 /* High falutin' math. */
1257 dSP; dTARGET; tryAMAGICbin(atan2,0);
1260 SETn(atan2(left, right));
1267 dSP; dTARGET; tryAMAGICun(sin);
1279 dSP; dTARGET; tryAMAGICun(cos);
1299 if (!srand_called) {
1300 (void)srand((unsigned)seed());
1301 srand_called = TRUE;
1304 value = rand() * value / 2147483648.0;
1307 value = rand() * value / 65536.0;
1310 value = rand() * value / 32768.0;
1312 value = rand() * value / (double)(((unsigned long)1) << RANDBITS);
1328 (void)srand((unsigned)anum);
1329 srand_called = TRUE;
1339 # include <starlet.h>
1340 unsigned int when[2];
1341 _ckvmssts(sys$gettim(when));
1342 u = when[0] ^ when[1];
1344 # ifdef HAS_GETTIMEOFDAY
1345 struct timeval when;
1346 gettimeofday(&when,(struct timezone *) 0);
1347 u = when.tv_sec ^ when.tv_usec;
1354 #ifndef PLAN9 /* XXX Plan9 assembler chokes on this; fix needed */
1355 /* What is a good hashing algorithm here? */
1356 u ^= ( ( 269 * (U32)getpid())
1357 ^ (26107 * (U32)&when)
1358 ^ (73819 * (U32)stack_sp));
1365 dSP; dTARGET; tryAMAGICun(exp);
1377 dSP; dTARGET; tryAMAGICun(log);
1382 SET_NUMERIC_STANDARD();
1383 DIE("Can't take log of %g", value);
1393 dSP; dTARGET; tryAMAGICun(sqrt);
1398 SET_NUMERIC_STANDARD();
1399 DIE("Can't take sqrt of %g", value);
1401 value = sqrt(value);
1411 double value = TOPn;
1414 if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs)) {
1420 (void)modf(value, &value);
1422 (void)modf(-value, &value);
1437 dSP; dTARGET; tryAMAGICun(abs);
1439 double value = TOPn;
1442 if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs) &&
1443 (iv = SvIVX(TOPs)) != IV_MIN) {
1464 XPUSHu(scan_hex(tmps, 99, &argtype));
1476 while (*tmps && isSPACE(*tmps))
1481 value = scan_hex(++tmps, 99, &argtype);
1483 value = scan_oct(tmps, 99, &argtype);
1493 SETi( sv_len(TOPs) );
1505 I32 lvalue = op->op_flags & OPf_MOD;
1507 I32 arybase = curcop->cop_arybase;
1511 pos = POPi - arybase;
1513 tmps = SvPV(sv, curlen);
1515 pos += curlen + arybase;
1516 if (pos < 0 || pos > curlen) {
1517 if (dowarn || lvalue)
1518 warn("substr outside of string");
1525 len += curlen - pos;
1530 rem = curlen - pos; /* rem=how many bytes left*/
1533 sv_setpvn(TARG, tmps, rem);
1534 if (lvalue) { /* it's an lvalue! */
1535 if (!SvGMAGICAL(sv)) {
1539 warn("Attempt to use reference as lvalue in substr");
1541 if (SvOK(sv)) /* is it defined ? */
1542 (void)SvPOK_only(sv);
1544 sv_setpvn(sv,"",0); /* avoid lexical reincarnation */
1547 if (SvTYPE(TARG) < SVt_PVLV) {
1548 sv_upgrade(TARG, SVt_PVLV);
1549 sv_magic(TARG, Nullsv, 'x', Nullch, 0);
1554 LvTARGOFF(TARG) = pos;
1555 LvTARGLEN(TARG) = rem;
1558 PUSHs(TARG); /* avoid SvSETMAGIC here */
1565 register I32 size = POPi;
1566 register I32 offset = POPi;
1567 register SV *src = POPs;
1568 I32 lvalue = op->op_flags & OPf_MOD;
1570 unsigned char *s = (unsigned char*)SvPV(src, srclen);
1571 unsigned long retnum;
1574 offset *= size; /* turn into bit offset */
1575 len = (offset + size + 7) / 8;
1576 if (offset < 0 || size < 1)
1579 if (lvalue) { /* it's an lvalue! */
1580 if (SvTYPE(TARG) < SVt_PVLV) {
1581 sv_upgrade(TARG, SVt_PVLV);
1582 sv_magic(TARG, Nullsv, 'v', Nullch, 0);
1587 LvTARGOFF(TARG) = offset;
1588 LvTARGLEN(TARG) = size;
1596 if (offset >= srclen)
1599 retnum = (unsigned long) s[offset] << 8;
1601 else if (size == 32) {
1602 if (offset >= srclen)
1604 else if (offset + 1 >= srclen)
1605 retnum = (unsigned long) s[offset] << 24;
1606 else if (offset + 2 >= srclen)
1607 retnum = ((unsigned long) s[offset] << 24) +
1608 ((unsigned long) s[offset + 1] << 16);
1610 retnum = ((unsigned long) s[offset] << 24) +
1611 ((unsigned long) s[offset + 1] << 16) +
1612 (s[offset + 2] << 8);
1617 retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1);
1622 else if (size == 16)
1623 retnum = ((unsigned long) s[offset] << 8) + s[offset+1];
1624 else if (size == 32)
1625 retnum = ((unsigned long) s[offset] << 24) +
1626 ((unsigned long) s[offset + 1] << 16) +
1627 (s[offset + 2] << 8) + s[offset+3];
1631 sv_setiv(TARG, (IV)retnum);
1646 I32 arybase = curcop->cop_arybase;
1651 offset = POPi - arybase;
1654 tmps = SvPV(big, biglen);
1657 else if (offset > biglen)
1659 if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset,
1660 (unsigned char*)tmps + biglen, little)))
1661 retval = -1 + arybase;
1663 retval = tmps2 - tmps + arybase;
1680 I32 arybase = curcop->cop_arybase;
1686 tmps2 = SvPV(little, llen);
1687 tmps = SvPV(big, blen);
1691 offset = SvIV(offstr) - arybase + llen;
1694 else if (offset > blen)
1696 if (!(tmps2 = rninstr(tmps, tmps + offset,
1697 tmps2, tmps2 + llen)))
1698 retval = -1 + arybase;
1700 retval = tmps2 - tmps + arybase;
1707 dSP; dMARK; dORIGMARK; dTARGET;
1708 #ifdef USE_LOCALE_NUMERIC
1709 if (op->op_private & OPpLOCALE)
1710 SET_NUMERIC_LOCAL();
1712 SET_NUMERIC_STANDARD();
1714 do_sprintf(TARG, SP-MARK, MARK+1);
1715 TAINT_IF(SvTAINTED(TARG));
1729 value = (I32) (*tmps & 255);
1734 value = (I32) (anum & 255);
1745 (void)SvUPGRADE(TARG,SVt_PV);
1751 (void)SvPOK_only(TARG);
1758 dSP; dTARGET; dPOPTOPssrl;
1760 char *tmps = SvPV(left, na);
1762 sv_setpv(TARG, fcrypt(tmps, SvPV(right, na)));
1764 sv_setpv(TARG, crypt(tmps, SvPV(right, na)));
1768 "The crypt() function is unimplemented due to excessive paranoia.");
1780 if (!SvPADTMP(sv)) {
1786 s = SvPV_force(sv, na);
1788 if (op->op_private & OPpLOCALE) {
1791 *s = toUPPER_LC(*s);
1806 if (!SvPADTMP(sv)) {
1812 s = SvPV_force(sv, na);
1814 if (op->op_private & OPpLOCALE) {
1817 *s = toLOWER_LC(*s);
1834 if (!SvPADTMP(sv)) {
1841 s = SvPV_force(sv, len);
1843 register char *send = s + len;
1845 if (op->op_private & OPpLOCALE) {
1848 for (; s < send; s++)
1849 *s = toUPPER_LC(*s);
1852 for (; s < send; s++)
1866 if (!SvPADTMP(sv)) {
1873 s = SvPV_force(sv, len);
1875 register char *send = s + len;
1877 if (op->op_private & OPpLOCALE) {
1880 for (; s < send; s++)
1881 *s = toLOWER_LC(*s);
1884 for (; s < send; s++)
1896 register char *s = SvPV(sv,len);
1900 (void)SvUPGRADE(TARG, SVt_PV);
1901 SvGROW(TARG, (len * 2) + 1);
1909 SvCUR_set(TARG, d - SvPVX(TARG));
1910 (void)SvPOK_only(TARG);
1913 sv_setpvn(TARG, s, len);
1922 dSP; dMARK; dORIGMARK;
1924 register AV* av = (AV*)POPs;
1925 register I32 lval = op->op_flags & OPf_MOD;
1926 I32 arybase = curcop->cop_arybase;
1929 if (SvTYPE(av) == SVt_PVAV) {
1930 if (lval && op->op_private & OPpLVAL_INTRO) {
1932 for (svp = mark + 1; svp <= sp; svp++) {
1937 if (max > AvMAX(av))
1940 while (++MARK <= SP) {
1941 elem = SvIVx(*MARK);
1945 svp = av_fetch(av, elem, lval);
1947 if (!svp || *svp == &sv_undef)
1948 DIE(no_aelem, elem);
1949 if (op->op_private & OPpLVAL_INTRO)
1952 *MARK = svp ? *svp : &sv_undef;
1955 if (GIMME != G_ARRAY) {
1963 /* Associative arrays. */
1968 HV *hash = (HV*)POPs;
1972 entry = hv_iternext(hash); /* might clobber stack_sp */
1977 PUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */
1978 if (GIMME == G_ARRAY) {
1980 sv_setsv(TARG, hv_iterval(hash, entry)); /* might clobber stack_sp */
1985 else if (GIMME == G_SCALAR)
2007 if (op->op_private & OPpSLICE) {
2010 if (SvTYPE(hv) != SVt_PVHV)
2011 DIE("Not a HASH reference");
2012 while (++MARK <= SP) {
2013 sv = hv_delete_ent(hv, *MARK,
2014 (op->op_private & OPpLEAVE_VOID ? G_DISCARD : 0), 0);
2015 *MARK = sv ? sv : &sv_undef;
2017 if (GIMME != G_ARRAY) {
2026 if (SvTYPE(hv) != SVt_PVHV)
2027 DIE("Not a HASH reference");
2028 sv = hv_delete_ent(hv, keysv,
2029 (op->op_private & OPpLEAVE_VOID ? G_DISCARD : 0), 0);
2043 if (SvTYPE(hv) != SVt_PVHV) {
2044 DIE("Not a HASH reference");
2046 if (hv_exists_ent(hv, tmpsv, 0))
2053 dSP; dMARK; dORIGMARK;
2055 register HV *hv = (HV*)POPs;
2056 register I32 lval = op->op_flags & OPf_MOD;
2058 if (SvTYPE(hv) == SVt_PVHV) {
2059 while (++MARK <= SP) {
2062 he = hv_fetch_ent(hv, keysv, lval, 0);
2064 if (!he || HeVAL(he) == &sv_undef)
2065 DIE(no_helem, SvPV(keysv, na));
2066 if (op->op_private & OPpLVAL_INTRO)
2067 save_svref(&HeVAL(he));
2069 *MARK = he ? HeVAL(he) : &sv_undef;
2072 if (GIMME != G_ARRAY) {
2080 /* List operators. */
2085 if (GIMME != G_ARRAY) {
2087 *MARK = *SP; /* unwanted list, return last item */
2098 SV **lastrelem = stack_sp;
2099 SV **lastlelem = stack_base + POPMARK;
2100 SV **firstlelem = stack_base + POPMARK + 1;
2101 register SV **firstrelem = lastlelem + 1;
2102 I32 arybase = curcop->cop_arybase;
2103 I32 lval = op->op_flags & OPf_MOD;
2104 I32 is_something_there = lval;
2106 register I32 max = lastrelem - lastlelem;
2107 register SV **lelem;
2110 if (GIMME != G_ARRAY) {
2111 ix = SvIVx(*lastlelem);
2116 if (ix < 0 || ix >= max)
2117 *firstlelem = &sv_undef;
2119 *firstlelem = firstrelem[ix];
2125 SP = firstlelem - 1;
2129 for (lelem = firstlelem; lelem <= lastlelem; lelem++) {
2135 else if (!(*lelem = firstrelem[ix]))
2140 if (ix >= max || !(*lelem = firstrelem[ix]))
2143 if (!is_something_there && (SvOK(*lelem) || SvGMAGICAL(*lelem)))
2144 is_something_there = TRUE;
2146 if (is_something_there)
2149 SP = firstlelem - 1;
2155 dSP; dMARK; dORIGMARK;
2156 I32 items = SP - MARK;
2157 SV *av = sv_2mortal((SV*)av_make(items, MARK+1));
2158 SP = ORIGMARK; /* av_make() might realloc stack_sp */
2165 dSP; dMARK; dORIGMARK;
2166 HV* hv = (HV*)sv_2mortal((SV*)newHV());
2170 SV *val = NEWSV(46, 0);
2172 sv_setsv(val, *++MARK);
2174 warn("Odd number of elements in hash list");
2175 (void)hv_store_ent(hv,key,val,0);
2184 dSP; dMARK; dORIGMARK;
2185 register AV *ary = (AV*)*++MARK;
2189 register I32 offset;
2190 register I32 length;
2199 offset = SvIVx(*MARK);
2201 offset += AvFILL(ary) + 1;
2203 offset -= curcop->cop_arybase;
2205 length = SvIVx(*MARK++);
2210 length = AvMAX(ary) + 1; /* close enough to infinity */
2214 length = AvMAX(ary) + 1;
2222 if (offset > AvFILL(ary) + 1)
2223 offset = AvFILL(ary) + 1;
2224 after = AvFILL(ary) + 1 - (offset + length);
2225 if (after < 0) { /* not that much array */
2226 length += after; /* offset+length now in array */
2232 /* At this point, MARK .. SP-1 is our new LIST */
2235 diff = newlen - length;
2237 if (diff < 0) { /* shrinking the area */
2239 New(451, tmparyval, newlen, SV*); /* so remember insertion */
2240 Copy(MARK, tmparyval, newlen, SV*);
2243 MARK = ORIGMARK + 1;
2244 if (GIMME == G_ARRAY) { /* copy return vals to stack */
2245 MEXTEND(MARK, length);
2246 Copy(AvARRAY(ary)+offset, MARK, length, SV*);
2248 EXTEND_MORTAL(length);
2249 for (i = length, dst = MARK; i; i--) {
2250 if (!SvIMMORTAL(*dst))
2251 sv_2mortal(*dst); /* free them eventualy */
2258 *MARK = AvARRAY(ary)[offset+length-1];
2260 if (!SvIMMORTAL(*MARK))
2262 for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--)
2263 SvREFCNT_dec(*dst++); /* free them now */
2266 AvFILL(ary) += diff;
2268 /* pull up or down? */
2270 if (offset < after) { /* easier to pull up */
2271 if (offset) { /* esp. if nothing to pull */
2272 src = &AvARRAY(ary)[offset-1];
2273 dst = src - diff; /* diff is negative */
2274 for (i = offset; i > 0; i--) /* can't trust Copy */
2278 SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */
2282 if (after) { /* anything to pull down? */
2283 src = AvARRAY(ary) + offset + length;
2284 dst = src + diff; /* diff is negative */
2285 Move(src, dst, after, SV*);
2287 dst = &AvARRAY(ary)[AvFILL(ary)+1];
2288 /* avoid later double free */
2292 dst[--i] = &sv_undef;
2295 for (src = tmparyval, dst = AvARRAY(ary) + offset;
2297 *dst = NEWSV(46, 0);
2298 sv_setsv(*dst++, *src++);
2300 Safefree(tmparyval);
2303 else { /* no, expanding (or same) */
2305 New(452, tmparyval, length, SV*); /* so remember deletion */
2306 Copy(AvARRAY(ary)+offset, tmparyval, length, SV*);
2309 if (diff > 0) { /* expanding */
2311 /* push up or down? */
2313 if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) {
2317 Move(src, dst, offset, SV*);
2319 SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */
2321 AvFILL(ary) += diff;
2324 if (AvFILL(ary) + diff >= AvMAX(ary)) /* oh, well */
2325 av_extend(ary, AvFILL(ary) + diff);
2326 AvFILL(ary) += diff;
2329 dst = AvARRAY(ary) + AvFILL(ary);
2331 for (i = after; i; i--) {
2338 for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) {
2339 *dst = NEWSV(46, 0);
2340 sv_setsv(*dst++, *src++);
2342 MARK = ORIGMARK + 1;
2343 if (GIMME == G_ARRAY) { /* copy return vals to stack */
2345 Copy(tmparyval, MARK, length, SV*);
2347 EXTEND_MORTAL(length);
2348 for (i = length, dst = MARK; i; i--) {
2349 if (!SvIMMORTAL(*dst))
2350 sv_2mortal(*dst); /* free them eventualy */
2354 Safefree(tmparyval);
2358 else if (length--) {
2359 *MARK = tmparyval[length];
2361 if (!SvIMMORTAL(*MARK))
2363 while (length-- > 0)
2364 SvREFCNT_dec(tmparyval[length]);
2366 Safefree(tmparyval);
2377 dSP; dMARK; dORIGMARK; dTARGET;
2378 register AV *ary = (AV*)*++MARK;
2379 register SV *sv = &sv_undef;
2381 for (++MARK; MARK <= SP; MARK++) {
2384 sv_setsv(sv, *MARK);
2388 PUSHi( AvFILL(ary) + 1 );
2396 SV *sv = av_pop(av);
2397 if (!SvIMMORTAL(sv) && AvREAL(av))
2398 (void)sv_2mortal(sv);
2407 SV *sv = av_shift(av);
2411 if (!SvIMMORTAL(sv) && AvREAL(av))
2412 (void)sv_2mortal(sv);
2419 dSP; dMARK; dORIGMARK; dTARGET;
2420 register AV *ary = (AV*)*++MARK;
2424 av_unshift(ary, SP - MARK);
2427 sv_setsv(sv, *++MARK);
2428 (void)av_store(ary, i++, sv);
2432 PUSHi( AvFILL(ary) + 1 );
2442 if (GIMME == G_ARRAY) {
2453 register char *down;
2459 do_join(TARG, &sv_no, MARK, SP);
2461 sv_setsv(TARG, *SP);
2462 up = SvPV_force(TARG, len);
2464 down = SvPVX(TARG) + len - 1;
2470 (void)SvPOK_only(TARG);
2484 char *s = SvPV(sv, len);
2488 if (!strnEQ(s, "0000", 4)) { /* need to grow sv */
2489 SV *new = newSVpv("0000000000", 10);
2492 SvREFCNT_dec(sv); /* free old sv */
2497 while (!*t) /* trailing '\0'? */
2500 i = ((*t - '0') << 7) + m;
2501 *(t--) = '0' + (i % 10);
2507 /* Explosives and implosives. */
2517 register char *pat = SvPV(left, llen);
2518 register char *s = SvPV(right, rlen);
2519 char *strend = s + rlen;
2521 register char *patend = pat + llen;
2526 /* These must not be in registers: */
2537 unsigned Quad_t auquad;
2543 register U32 culong;
2545 static char* bitcount = 0;
2547 if (GIMME != G_ARRAY) { /* arrange to do first one only */
2549 for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ;
2550 if (strchr("aAbBhHP", *patend) || *pat == '%') {
2552 while (isDIGIT(*patend) || *patend == '*')
2558 while (pat < patend) {
2563 else if (*pat == '*') {
2564 len = strend - strbeg; /* long enough */
2567 else if (isDIGIT(*pat)) {
2569 while (isDIGIT(*pat))
2570 len = (len * 10) + (*pat++ - '0');
2573 len = (datumtype != '@');
2578 if (len == 1 && pat[-1] != '1')
2587 if (len > strend - strbeg)
2588 DIE("@ outside of string");
2592 if (len > s - strbeg)
2593 DIE("X outside of string");
2597 if (len > strend - s)
2598 DIE("x outside of string");
2603 if (len > strend - s)
2606 goto uchar_checksum;
2607 sv = NEWSV(35, len);
2608 sv_setpvn(sv, s, len);
2610 if (datumtype == 'A') {
2611 aptr = s; /* borrow register */
2612 s = SvPVX(sv) + len - 1;
2613 while (s >= SvPVX(sv) && (!*s || isSPACE(*s)))
2616 SvCUR_set(sv, s - SvPVX(sv));
2617 s = aptr; /* unborrow register */
2619 XPUSHs(sv_2mortal(sv));
2623 if (pat[-1] == '*' || len > (strend - s) * 8)
2624 len = (strend - s) * 8;
2627 Newz(601, bitcount, 256, char);
2628 for (bits = 1; bits < 256; bits++) {
2629 if (bits & 1) bitcount[bits]++;
2630 if (bits & 2) bitcount[bits]++;
2631 if (bits & 4) bitcount[bits]++;
2632 if (bits & 8) bitcount[bits]++;
2633 if (bits & 16) bitcount[bits]++;
2634 if (bits & 32) bitcount[bits]++;
2635 if (bits & 64) bitcount[bits]++;
2636 if (bits & 128) bitcount[bits]++;
2640 culong += bitcount[*(unsigned char*)s++];
2645 if (datumtype == 'b') {
2647 if (bits & 1) culong++;
2653 if (bits & 128) culong++;
2660 sv = NEWSV(35, len + 1);
2663 aptr = pat; /* borrow register */
2665 if (datumtype == 'b') {
2667 for (len = 0; len < aint; len++) {
2668 if (len & 7) /*SUPPRESS 595*/
2672 *pat++ = '0' + (bits & 1);
2677 for (len = 0; len < aint; len++) {
2682 *pat++ = '0' + ((bits & 128) != 0);
2686 pat = aptr; /* unborrow register */
2687 XPUSHs(sv_2mortal(sv));
2691 if (pat[-1] == '*' || len > (strend - s) * 2)
2692 len = (strend - s) * 2;
2693 sv = NEWSV(35, len + 1);
2696 aptr = pat; /* borrow register */
2698 if (datumtype == 'h') {
2700 for (len = 0; len < aint; len++) {
2705 *pat++ = hexdigit[bits & 15];
2710 for (len = 0; len < aint; len++) {
2715 *pat++ = hexdigit[(bits >> 4) & 15];
2719 pat = aptr; /* unborrow register */
2720 XPUSHs(sv_2mortal(sv));
2723 if (len > strend - s)
2728 if (aint >= 128) /* fake up signed chars */
2738 if (aint >= 128) /* fake up signed chars */
2741 sv_setiv(sv, (IV)aint);
2742 PUSHs(sv_2mortal(sv));
2747 if (len > strend - s)
2762 sv_setiv(sv, (IV)auint);
2763 PUSHs(sv_2mortal(sv));
2768 along = (strend - s) / sizeof(I16);
2773 Copy(s, &ashort, 1, I16);
2782 Copy(s, &ashort, 1, I16);
2785 sv_setiv(sv, (IV)ashort);
2786 PUSHs(sv_2mortal(sv));
2793 along = (strend - s) / sizeof(U16);
2798 Copy(s, &aushort, 1, U16);
2801 if (datumtype == 'n')
2802 aushort = ntohs(aushort);
2805 if (datumtype == 'v')
2806 aushort = vtohs(aushort);
2815 Copy(s, &aushort, 1, U16);
2819 if (datumtype == 'n')
2820 aushort = ntohs(aushort);
2823 if (datumtype == 'v')
2824 aushort = vtohs(aushort);
2826 sv_setiv(sv, (IV)aushort);
2827 PUSHs(sv_2mortal(sv));
2832 along = (strend - s) / sizeof(int);
2837 Copy(s, &aint, 1, int);
2840 cdouble += (double)aint;
2849 Copy(s, &aint, 1, int);
2852 sv_setiv(sv, (IV)aint);
2853 PUSHs(sv_2mortal(sv));
2858 along = (strend - s) / sizeof(unsigned int);
2863 Copy(s, &auint, 1, unsigned int);
2864 s += sizeof(unsigned int);
2866 cdouble += (double)auint;
2875 Copy(s, &auint, 1, unsigned int);
2876 s += sizeof(unsigned int);
2878 sv_setuv(sv, (UV)auint);
2879 PUSHs(sv_2mortal(sv));
2884 along = (strend - s) / sizeof(I32);
2889 Copy(s, &along, 1, I32);
2892 cdouble += (double)along;
2901 Copy(s, &along, 1, I32);
2904 sv_setiv(sv, (IV)along);
2905 PUSHs(sv_2mortal(sv));
2912 along = (strend - s) / sizeof(U32);
2917 Copy(s, &aulong, 1, U32);
2920 if (datumtype == 'N')
2921 aulong = ntohl(aulong);
2924 if (datumtype == 'V')
2925 aulong = vtohl(aulong);
2928 cdouble += (double)aulong;
2937 Copy(s, &aulong, 1, U32);
2940 if (datumtype == 'N')
2941 aulong = ntohl(aulong);
2944 if (datumtype == 'V')
2945 aulong = vtohl(aulong);
2948 sv_setuv(sv, (UV)aulong);
2949 PUSHs(sv_2mortal(sv));
2954 along = (strend - s) / sizeof(char*);
2960 if (sizeof(char*) > strend - s)
2963 Copy(s, &aptr, 1, char*);
2969 PUSHs(sv_2mortal(sv));
2979 while ((len > 0) && (s < strend)) {
2980 auv = (auv << 7) | (*s & 0x7f);
2981 if (!(*s++ & 0x80)) {
2985 PUSHs(sv_2mortal(sv));
2989 else if (++bytes >= sizeof(UV)) { /* promote to string */
2990 char decn[sizeof(UV) * 3 + 1];
2993 (void) sprintf(decn, "%0*ld", sizeof(decn) - 1, auv);
2994 sv = newSVpv(decn, 0);
2995 while (s < strend) {
2996 sv = mul128(sv, *s & 0x7f);
2997 if (!(*s++ & 0x80)) {
3006 PUSHs(sv_2mortal(sv));
3011 if ((s >= strend) && bytes)
3012 croak("Unterminated compressed integer");
3017 if (sizeof(char*) > strend - s)
3020 Copy(s, &aptr, 1, char*);
3025 sv_setpvn(sv, aptr, len);
3026 PUSHs(sv_2mortal(sv));
3033 if (s + sizeof(Quad_t) > strend)
3036 Copy(s, &aquad, 1, Quad_t);
3037 s += sizeof(Quad_t);
3040 sv_setiv(sv, (IV)aquad);
3041 PUSHs(sv_2mortal(sv));
3048 if (s + sizeof(unsigned Quad_t) > strend)
3051 Copy(s, &auquad, 1, unsigned Quad_t);
3052 s += sizeof(unsigned Quad_t);
3055 sv_setuv(sv, (UV)auquad);
3056 PUSHs(sv_2mortal(sv));
3060 /* float and double added gnb@melba.bby.oz.au 22/11/89 */
3063 along = (strend - s) / sizeof(float);
3068 Copy(s, &afloat, 1, float);
3077 Copy(s, &afloat, 1, float);
3080 sv_setnv(sv, (double)afloat);
3081 PUSHs(sv_2mortal(sv));
3087 along = (strend - s) / sizeof(double);
3092 Copy(s, &adouble, 1, double);
3093 s += sizeof(double);
3101 Copy(s, &adouble, 1, double);
3102 s += sizeof(double);
3104 sv_setnv(sv, (double)adouble);
3105 PUSHs(sv_2mortal(sv));
3110 along = (strend - s) * 3 / 4;
3111 sv = NEWSV(42, along);
3114 while (s < strend && *s > ' ' && *s < 'a') {
3119 len = (*s++ - ' ') & 077;
3121 if (s < strend && *s >= ' ')
3122 a = (*s++ - ' ') & 077;
3125 if (s < strend && *s >= ' ')
3126 b = (*s++ - ' ') & 077;
3129 if (s < strend && *s >= ' ')
3130 c = (*s++ - ' ') & 077;
3133 if (s < strend && *s >= ' ')
3134 d = (*s++ - ' ') & 077;
3137 hunk[0] = a << 2 | b >> 4;
3138 hunk[1] = b << 4 | c >> 2;
3139 hunk[2] = c << 6 | d;
3140 sv_catpvn(sv, hunk, len > 3 ? 3 : len);
3145 else if (s[1] == '\n') /* possible checksum byte */
3148 XPUSHs(sv_2mortal(sv));
3153 if (strchr("fFdD", datumtype) ||
3154 (checksum > 32 && strchr("iIlLN", datumtype)) ) {
3158 while (checksum >= 16) {
3162 while (checksum >= 4) {
3168 along = (1 << checksum) - 1;
3169 while (cdouble < 0.0)
3171 cdouble = modf(cdouble / adouble, &trouble) * adouble;
3172 sv_setnv(sv, cdouble);
3175 if (checksum < 32) {
3176 along = (1 << checksum) - 1;
3177 culong &= (U32)along;
3179 sv_setnv(sv, (double)culong);
3181 XPUSHs(sv_2mortal(sv));
3185 if (sp == oldsp && GIMME != G_ARRAY)
3191 doencodes(sv, s, len)
3199 sv_catpvn(sv, hunk, 1);
3202 hunk[0] = ' ' + (077 & (*s >> 2));
3203 hunk[1] = ' ' + (077 & ((*s << 4) & 060 | (s[1] >> 4) & 017));
3204 hunk[2] = ' ' + (077 & ((s[1] << 2) & 074 | (s[2] >> 6) & 03));
3205 hunk[3] = ' ' + (077 & (s[2] & 077));
3206 sv_catpvn(sv, hunk, 4);
3210 for (s = SvPVX(sv); *s; s++) {
3214 sv_catpvn(sv, "\n", 1);
3222 SV *result = newSVpv("", l);
3223 char *result_c = SvPV(result, na); /* convenience */
3224 char *out = result_c;
3234 SvREFCNT_dec(result);
3257 SvREFCNT_dec(result);
3263 SvCUR_set(result, out - result_c);
3269 SV *pnum; /* must be '\0' terminated */
3273 char *s = SvPV(pnum, len);
3282 i = m * 10 + (*t - '0');
3284 r = (i >> 7); /* r < 10 */
3291 SvCUR_set(pnum, (STRLEN) (t - s));
3298 dSP; dMARK; dORIGMARK; dTARGET;
3299 register SV *cat = TARG;
3302 register char *pat = SvPVx(*++MARK, fromlen);
3303 register char *patend = pat + fromlen;
3308 static char null10[] = {0,0,0,0,0,0,0,0,0,0};
3309 static char *space10 = " ";
3311 /* These must not be in registers: */
3320 unsigned Quad_t auquad;
3328 sv_setpvn(cat, "", 0);
3329 while (pat < patend) {
3330 #define NEXTFROM (items-- > 0 ? *MARK++ : &sv_no)
3333 len = strchr("@Xxu", datumtype) ? 0 : items;
3336 else if (isDIGIT(*pat)) {
3338 while (isDIGIT(*pat))
3339 len = (len * 10) + (*pat++ - '0');
3347 DIE("%% may only be used in unpack");
3358 if (SvCUR(cat) < len)
3359 DIE("X outside of string");
3366 sv_catpvn(cat, null10, 10);
3369 sv_catpvn(cat, null10, len);
3374 aptr = SvPV(fromstr, fromlen);
3378 sv_catpvn(cat, aptr, len);
3380 sv_catpvn(cat, aptr, fromlen);
3382 if (datumtype == 'A') {
3384 sv_catpvn(cat, space10, 10);
3387 sv_catpvn(cat, space10, len);
3391 sv_catpvn(cat, null10, 10);
3394 sv_catpvn(cat, null10, len);
3401 char *savepat = pat;
3406 aptr = SvPV(fromstr, fromlen);
3411 SvCUR(cat) += (len+7)/8;
3412 SvGROW(cat, SvCUR(cat) + 1);
3413 aptr = SvPVX(cat) + aint;
3418 if (datumtype == 'B') {
3419 for (len = 0; len++ < aint;) {
3420 items |= *pat++ & 1;
3424 *aptr++ = items & 0xff;
3430 for (len = 0; len++ < aint;) {
3436 *aptr++ = items & 0xff;
3442 if (datumtype == 'B')
3443 items <<= 7 - (aint & 7);
3445 items >>= 7 - (aint & 7);
3446 *aptr++ = items & 0xff;
3448 pat = SvPVX(cat) + SvCUR(cat);
3459 char *savepat = pat;
3464 aptr = SvPV(fromstr, fromlen);
3469 SvCUR(cat) += (len+1)/2;
3470 SvGROW(cat, SvCUR(cat) + 1);
3471 aptr = SvPVX(cat) + aint;
3476 if (datumtype == 'H') {
3477 for (len = 0; len++ < aint;) {
3479 items |= ((*pat++ & 15) + 9) & 15;
3481 items |= *pat++ & 15;
3485 *aptr++ = items & 0xff;
3491 for (len = 0; len++ < aint;) {
3493 items |= (((*pat++ & 15) + 9) & 15) << 4;
3495 items |= (*pat++ & 15) << 4;
3499 *aptr++ = items & 0xff;
3505 *aptr++ = items & 0xff;
3506 pat = SvPVX(cat) + SvCUR(cat);
3518 aint = SvIV(fromstr);
3520 sv_catpvn(cat, &achar, sizeof(char));
3523 /* Float and double added by gnb@melba.bby.oz.au 22/11/89 */
3528 afloat = (float)SvNV(fromstr);
3529 sv_catpvn(cat, (char *)&afloat, sizeof (float));
3536 adouble = (double)SvNV(fromstr);
3537 sv_catpvn(cat, (char *)&adouble, sizeof (double));
3543 ashort = (I16)SvIV(fromstr);
3545 ashort = htons(ashort);
3547 sv_catpvn(cat, (char*)&ashort, sizeof(I16));
3553 ashort = (I16)SvIV(fromstr);
3555 ashort = htovs(ashort);
3557 sv_catpvn(cat, (char*)&ashort, sizeof(I16));
3564 ashort = (I16)SvIV(fromstr);
3565 sv_catpvn(cat, (char*)&ashort, sizeof(I16));
3571 auint = U_I(SvNV(fromstr));
3572 sv_catpvn(cat, (char*)&auint, sizeof(unsigned int));
3578 adouble = floor(SvNV(fromstr));
3581 croak("Cannot compress negative numbers");
3583 if (adouble <= UV_MAX) {
3584 char buf[1 + sizeof(UV)];
3585 char *in = buf + sizeof(buf);
3586 UV auv = U_V(adouble);;
3589 *--in = (auv & 0x7f) | 0x80;
3592 buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */
3593 sv_catpvn(cat, in, (buf + sizeof(buf)) - in);
3595 else if (SvPOKp(fromstr)) { /* decimal string arithmetics */
3596 char *from, *result, *in;
3601 /* Copy string and check for compliance */
3602 from = SvPV(fromstr, len);
3603 if ((norm = is_an_int(from, len)) == NULL)
3604 croak("can compress only unsigned integer");
3606 New('w', result, len, char);
3610 *--in = div128(norm, &done) | 0x80;
3611 result[len - 1] &= 0x7F; /* clear continue bit */
3612 sv_catpvn(cat, in, (result + len) - in);
3614 SvREFCNT_dec(norm); /* free norm */
3616 else if (SvNOKp(fromstr)) {
3617 char buf[sizeof(double) * 2]; /* 8/7 <= 2 */
3618 char *in = buf + sizeof(buf);
3621 double next = floor(adouble / 128);
3622 *--in = (unsigned char)(adouble - (next * 128)) | 0x80;
3623 if (--in < buf) /* this cannot happen ;-) */
3624 croak ("Cannot compress integer");
3626 } while (adouble > 0);
3627 buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */
3628 sv_catpvn(cat, in, (buf + sizeof(buf)) - in);
3631 croak("Cannot compress non integer");
3637 aint = SvIV(fromstr);
3638 sv_catpvn(cat, (char*)&aint, sizeof(int));
3644 aulong = U_L(SvNV(fromstr));
3646 aulong = htonl(aulong);
3648 sv_catpvn(cat, (char*)&aulong, sizeof(U32));
3654 aulong = U_L(SvNV(fromstr));
3656 aulong = htovl(aulong);
3658 sv_catpvn(cat, (char*)&aulong, sizeof(U32));
3664 aulong = U_L(SvNV(fromstr));
3665 sv_catpvn(cat, (char*)&aulong, sizeof(U32));
3671 along = SvIV(fromstr);
3672 sv_catpvn(cat, (char*)&along, sizeof(I32));
3679 auquad = (unsigned Quad_t)SvIV(fromstr);
3680 sv_catpvn(cat, (char*)&auquad, sizeof(unsigned Quad_t));
3686 aquad = (Quad_t)SvIV(fromstr);
3687 sv_catpvn(cat, (char*)&aquad, sizeof(Quad_t));
3690 #endif /* HAS_QUAD */
3692 len = 1; /* assume SV is correct length */
3697 aptr = SvPV_force(fromstr, na); /* XXX Error if TEMP? */
3698 sv_catpvn(cat, (char*)&aptr, sizeof(char*));
3703 aptr = SvPV(fromstr, fromlen);
3704 SvGROW(cat, fromlen * 4 / 3);
3709 while (fromlen > 0) {
3716 doencodes(cat, aptr, todo);
3734 register I32 limit = POPi; /* note, negative is forever */
3737 register char *s = SvPV(sv, len);
3738 char *strend = s + len;
3740 register REGEXP *rx;
3744 I32 maxiters = (strend - s) + 10;
3747 I32 origlimit = limit;
3750 AV *oldstack = curstack;
3752 I32 oldsave = savestack_ix;
3755 Copy(&LvTARGOFF(POPs), &pm, 1, PMOP*);
3760 DIE("panic: do_split");
3761 rx = pm->op_pmregexp;
3763 TAINT_IF((pm->op_pmflags & PMf_LOCALE) &&
3764 (pm->op_pmflags & (PMf_WHITE | PMf_SKIPWHITE)));
3766 if (pm->op_pmreplroot)
3767 ary = GvAVn((GV*)pm->op_pmreplroot);
3768 else if (gimme != G_ARRAY)
3772 if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) {
3776 for (i = AvFILL(ary); i >= 0; i--)
3777 AvARRAY(ary)[i] = &sv_undef; /* don't free mere refs */
3781 /* temporarily switch stacks */
3782 SWITCHSTACK(curstack, ary);
3784 base = SP - stack_base;
3786 if (pm->op_pmflags & PMf_SKIPWHITE) {
3787 if (pm->op_pmflags & PMf_LOCALE) {
3788 while (isSPACE_LC(*s))
3796 if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) {
3798 multiline = pm->op_pmflags & PMf_MULTILINE;
3802 limit = maxiters + 2;
3803 if (pm->op_pmflags & PMf_WHITE) {
3806 while (m < strend &&
3807 !((pm->op_pmflags & PMf_LOCALE)
3808 ? isSPACE_LC(*m) : isSPACE(*m)))
3813 dstr = NEWSV(30, m-s);
3814 sv_setpvn(dstr, s, m-s);
3820 while (s < strend &&
3821 ((pm->op_pmflags & PMf_LOCALE)
3822 ? isSPACE_LC(*s) : isSPACE(*s)))
3826 else if (strEQ("^", rx->precomp)) {
3829 for (m = s; m < strend && *m != '\n'; m++) ;
3833 dstr = NEWSV(30, m-s);
3834 sv_setpvn(dstr, s, m-s);
3841 else if (pm->op_pmshort && !rx->nparens) {
3842 i = SvCUR(pm->op_pmshort);
3844 i = *SvPVX(pm->op_pmshort);
3847 for (m = s; m < strend && *m != i; m++) ;
3850 dstr = NEWSV(30, m-s);
3851 sv_setpvn(dstr, s, m-s);
3860 while (s < strend && --limit &&
3861 (m=fbm_instr((unsigned char*)s, (unsigned char*)strend,
3865 dstr = NEWSV(31, m-s);
3866 sv_setpvn(dstr, s, m-s);
3875 maxiters += (strend - s) * rx->nparens;
3876 while (s < strend && --limit &&
3877 pregexec(rx, s, strend, orig, 1, Nullsv, TRUE))
3879 TAINT_IF(rx->exec_tainted);
3881 && rx->subbase != orig) {
3886 strend = s + (strend - m);
3889 dstr = NEWSV(32, m-s);
3890 sv_setpvn(dstr, s, m-s);
3895 for (i = 1; i <= rx->nparens; i++) {
3899 dstr = NEWSV(33, m-s);
3900 sv_setpvn(dstr, s, m-s);
3903 dstr = NEWSV(33, 0);
3912 LEAVE_SCOPE(oldsave);
3913 iters = (SP - stack_base) - base;
3914 if (iters > maxiters)
3917 /* keep field after final delim? */
3918 if (s < strend || (iters && origlimit)) {
3919 dstr = NEWSV(34, strend-s);
3920 sv_setpvn(dstr, s, strend-s);
3926 else if (!origlimit) {
3927 while (iters > 0 && (!TOPs || !SvANY(TOPs) || SvCUR(TOPs) == 0))
3931 SWITCHSTACK(ary, oldstack);
3932 if (gimme == G_ARRAY) {
3934 Copy(AvARRAY(ary), SP + 1, iters, SV*);
3940 if (gimme == G_ARRAY)
3943 if (iters || !pm->op_pmreplroot) {