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 * "I wonder what the Entish is for 'yes' and 'no'," he thought.
18 /* Use an overridden DBL_DIG */
22 # define DBL_DIG OVR_DBL_DIG
24 /* The following is all to get DBL_DIG, in order to pick a nice
25 default value for printing floating point numbers in Gconvert.
35 #define DBL_DIG 15 /* A guess that works lots of places */
39 #if defined(USE_STDIO_PTR) && defined(STDIO_PTR_LVALUE) && defined(STDIO_CNT_LVALUE) && !defined(__QNX__)
43 static IV asIV _((SV* sv));
44 static UV asUV _((SV* sv));
45 static SV *more_sv _((void));
46 static XPVIV *more_xiv _((void));
47 static XPVNV *more_xnv _((void));
48 static XPV *more_xpv _((void));
49 static XRV *more_xrv _((void));
50 static XPVIV *new_xiv _((void));
51 static XPVNV *new_xnv _((void));
52 static XPV *new_xpv _((void));
53 static XRV *new_xrv _((void));
54 static void del_xiv _((XPVIV* p));
55 static void del_xnv _((XPVNV* p));
56 static void del_xpv _((XPV* p));
57 static void del_xrv _((XRV* p));
58 static void sv_mortalgrow _((void));
59 static void sv_unglob _((SV* sv));
61 typedef void (*SVFUNC) _((SV*));
67 (p) = (SV*)safemalloc(sizeof(SV)); \
80 #define REGHASH(sv,size) ((((U32)(sv)) >> 2) % (size))
82 #define REG_REPLACE(sv,a,b) \
84 void* p = sv->sv_any; \
85 I32 h = REGHASH(sv, regsize); \
87 while (registry[i] != (a)) { \
91 die("SV registry bug"); \
96 #define REG_ADD(sv) REG_REPLACE(sv,Nullsv,sv)
97 #define REG_REMOVE(sv) REG_REPLACE(sv,sv,Nullsv)
103 if (sv_count >= (regsize >> 1))
105 SV **oldreg = registry;
106 I32 oldsize = regsize;
108 regsize = regsize ? ((regsize << 2) + 1) : 2037;
109 registry = (SV**)safemalloc(regsize * sizeof(SV*));
110 memzero(registry, regsize * sizeof(SV*));
115 for (i = 0; i < oldsize; ++i) {
116 SV* oldsv = oldreg[i];
142 for (i = 0; i < regsize; ++i) {
143 SV* sv = registry[i];
150 sv_add_arena(ptr, size, flags)
155 if (!(flags & SVf_FAKE))
162 * "A time to plant, and a time to uproot what was planted..."
165 #define plant_SV(p) \
167 SvANY(p) = (void *)sv_root; \
168 SvFLAGS(p) = SVTYPEMASK; \
173 #define uproot_SV(p) \
176 sv_root = (SV*)SvANY(p); \
203 for (sva = sv_arenaroot; sva; sva = (SV *) SvANY(sva)) {
205 svend = &sva[SvREFCNT(sva)];
206 if (p >= sv && p < svend)
210 warn("Attempt to free non-arena SV: 0x%lx", (unsigned long)p);
217 #else /* ! DEBUGGING */
219 #define del_SV(p) plant_SV(p)
221 #endif /* DEBUGGING */
224 sv_add_arena(ptr, size, flags)
232 Zero(sva, size, char);
234 /* The first SV in an arena isn't an SV. */
235 SvANY(sva) = (void *) sv_arenaroot; /* ptr to next arena */
236 SvREFCNT(sva) = size / sizeof(SV); /* number of SV slots */
237 SvFLAGS(sva) = flags; /* FAKE if not to be freed */
242 svend = &sva[SvREFCNT(sva) - 1];
245 SvANY(sv) = (void *)(SV*)(sv + 1);
246 SvFLAGS(sv) = SVTYPEMASK;
250 SvFLAGS(sv) = SVTYPEMASK;
259 sv_add_arena(nice_chunk, nice_chunk_size, 0);
263 char *chunk; /* must use New here to match call to */
264 New(704,chunk,1008,char); /* Safefree() in sv_free_arenas() */
265 sv_add_arena(chunk, 1008, 0);
279 for (sva = sv_arenaroot; sva; sva = (SV*)SvANY(sva)) {
280 svend = &sva[SvREFCNT(sva)];
281 for (sv = sva + 1; sv < svend; ++sv) {
282 if (SvTYPE(sv) != SVTYPEMASK)
294 if (SvTYPE(sv) != SVTYPEMASK) {
295 /* XXX Perhaps this ought to go to Perl_debug_log, if DEBUGGING. */
296 PerlIO_printf(PerlIO_stderr(), "****\n");
304 visit(do_report_used);
313 if (SvROK(sv) && SvOBJECT(rv = SvRV(sv))) {
314 DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning object ref:\n "), sv_dump(sv));)
320 /* XXX Might want to check arrays, etc. */
323 #ifndef DISABLE_DESTRUCTOR_KLUDGE
325 do_clean_named_objs(sv)
328 if (SvTYPE(sv) == SVt_PVGV && GvSV(sv))
329 do_clean_objs(GvSV(sv));
336 #ifndef DISABLE_DESTRUCTOR_KLUDGE
337 visit(do_clean_named_objs);
339 visit(do_clean_objs);
346 DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops:\n "), sv_dump(sv));)
347 SvFLAGS(sv) |= SVf_BREAK;
351 static int in_clean_all = 0;
367 /* Free arenas here, but be careful about fake ones. (We assume
368 contiguity of the fake ones with the corresponding real ones.) */
370 for (sva = sv_arenaroot; sva; sva = svanext) {
371 svanext = (SV*) SvANY(sva);
372 while (svanext && SvFAKE(svanext))
373 svanext = (SV*) SvANY(svanext);
376 Safefree((void *)sva);
390 * See comment in more_xiv() -- RAM.
392 xiv_root = (IV**)*xiv;
393 return (XPVIV*)((char*)xiv - sizeof(XPV));
402 IV** xiv = (IV**)((char*)(p) + sizeof(XPV));
403 *xiv = (IV *)xiv_root;
411 register IV** xivend;
412 XPV* ptr = (XPV*)safemalloc(1008);
413 ptr->xpv_pv = (char*)xiv_arenaroot; /* linked list of xiv arenas */
414 xiv_arenaroot = ptr; /* to keep Purify happy */
417 xivend = &xiv[1008 / sizeof(IV *) - 1];
418 xiv += (sizeof(XPV) - 1) / sizeof(IV *) + 1; /* fudge by size of XPV */
420 while (xiv < xivend) {
421 *xiv = (IV *)(xiv + 1);
434 xnv_root = *(double**)xnv;
435 return (XPVNV*)((char*)xnv - sizeof(XPVIV));
444 double* xnv = (double*)((char*)(p) + sizeof(XPVIV));
445 *(double**)xnv = xnv_root;
452 register double* xnv;
453 register double* xnvend;
454 xnv = (double*)safemalloc(1008);
455 xnvend = &xnv[1008 / sizeof(double) - 1];
456 xnv += (sizeof(XPVIV) - 1) / sizeof(double) + 1; /* fudge by sizeof XPVIV */
458 while (xnv < xnvend) {
459 *(double**)xnv = (double*)(xnv + 1);
472 xrv_root = (XRV*)xrv->xrv_rv;
482 p->xrv_rv = (SV*)xrv_root;
490 register XRV* xrvend;
491 xrv_root = (XRV*)safemalloc(1008);
493 xrvend = &xrv[1008 / sizeof(XRV) - 1];
494 while (xrv < xrvend) {
495 xrv->xrv_rv = (SV*)(xrv + 1);
508 xpv_root = (XPV*)xpv->xpv_pv;
518 p->xpv_pv = (char*)xpv_root;
526 register XPV* xpvend;
527 xpv_root = (XPV*)safemalloc(1008);
529 xpvend = &xpv[1008 / sizeof(XPV) - 1];
530 while (xpv < xpvend) {
531 xpv->xpv_pv = (char*)(xpv + 1);
539 #define new_XIV() (void*)safemalloc(sizeof(XPVIV))
540 #define del_XIV(p) free((char*)p)
542 #define new_XIV() (void*)new_xiv()
543 #define del_XIV(p) del_xiv(p)
547 #define new_XNV() (void*)safemalloc(sizeof(XPVNV))
548 #define del_XNV(p) free((char*)p)
550 #define new_XNV() (void*)new_xnv()
551 #define del_XNV(p) del_xnv(p)
555 #define new_XRV() (void*)safemalloc(sizeof(XRV))
556 #define del_XRV(p) free((char*)p)
558 #define new_XRV() (void*)new_xrv()
559 #define del_XRV(p) del_xrv(p)
563 #define new_XPV() (void*)safemalloc(sizeof(XPV))
564 #define del_XPV(p) free((char*)p)
566 #define new_XPV() (void*)new_xpv()
567 #define del_XPV(p) del_xpv(p)
570 #define new_XPVIV() (void*)safemalloc(sizeof(XPVIV))
571 #define del_XPVIV(p) free((char*)p)
573 #define new_XPVNV() (void*)safemalloc(sizeof(XPVNV))
574 #define del_XPVNV(p) free((char*)p)
576 #define new_XPVMG() (void*)safemalloc(sizeof(XPVMG))
577 #define del_XPVMG(p) free((char*)p)
579 #define new_XPVLV() (void*)safemalloc(sizeof(XPVLV))
580 #define del_XPVLV(p) free((char*)p)
582 #define new_XPVAV() (void*)safemalloc(sizeof(XPVAV))
583 #define del_XPVAV(p) free((char*)p)
585 #define new_XPVHV() (void*)safemalloc(sizeof(XPVHV))
586 #define del_XPVHV(p) free((char*)p)
588 #define new_XPVCV() (void*)safemalloc(sizeof(XPVCV))
589 #define del_XPVCV(p) free((char*)p)
591 #define new_XPVGV() (void*)safemalloc(sizeof(XPVGV))
592 #define del_XPVGV(p) free((char*)p)
594 #define new_XPVBM() (void*)safemalloc(sizeof(XPVBM))
595 #define del_XPVBM(p) free((char*)p)
597 #define new_XPVFM() (void*)safemalloc(sizeof(XPVFM))
598 #define del_XPVFM(p) free((char*)p)
600 #define new_XPVIO() (void*)safemalloc(sizeof(XPVIO))
601 #define del_XPVIO(p) free((char*)p)
616 if (SvTYPE(sv) == mt)
622 switch (SvTYPE(sv)) {
637 nv = (double)SvIVX(sv);
643 else if (mt < SVt_PVIV)
660 pv = (char*)SvRV(sv);
664 nv = (double)(unsigned long)pv;
680 else if (mt == SVt_NV)
691 del_XPVIV(SvANY(sv));
701 del_XPVNV(SvANY(sv));
711 del_XPVMG(SvANY(sv));
714 croak("Can't upgrade that kind of scalar");
719 croak("Can't upgrade to undef");
721 SvANY(sv) = new_XIV();
725 SvANY(sv) = new_XNV();
729 SvANY(sv) = new_XRV();
733 SvANY(sv) = new_XPV();
739 SvANY(sv) = new_XPVIV();
749 SvANY(sv) = new_XPVNV();
757 SvANY(sv) = new_XPVMG();
767 SvANY(sv) = new_XPVLV();
781 SvANY(sv) = new_XPVAV();
796 SvANY(sv) = new_XPVHV();
812 SvANY(sv) = new_XPVCV();
813 Zero(SvANY(sv), 1, XPVCV);
823 SvANY(sv) = new_XPVGV();
838 SvANY(sv) = new_XPVBM();
851 SvANY(sv) = new_XPVFM();
852 Zero(SvANY(sv), 1, XPVFM);
862 SvANY(sv) = new_XPVIO();
863 Zero(SvANY(sv), 1, XPVIO);
874 SvFLAGS(sv) &= ~SVTYPEMASK;
892 else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') {
896 else if (sv == &sv_undef || sv == &sv_no || sv == &sv_yes) {
897 if (sv == &sv_undef) {
898 strcpy(t, "SV_UNDEF");
899 if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT|
900 SVs_GMG|SVs_SMG|SVs_RMG)) &&
904 else if (sv == &sv_no) {
906 if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
907 SVs_GMG|SVs_SMG|SVs_RMG)) &&
908 !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
916 if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
917 SVs_GMG|SVs_SMG|SVs_RMG)) &&
918 !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
921 SvPVX(sv) && *SvPVX(sv) == '1' &&
928 else if (SvREFCNT(sv) == 0) {
934 if (t - tokenbuf + unref > 10) {
935 strcpy(tokenbuf + unref + 3,"...");
941 switch (SvTYPE(sv)) {
981 sprintf(t, "CV(%s)", GvNAME(CvGV(sv)));
1002 strcpy(t, "(null)");
1004 sprintf(t,"(%ld+\"%.127s\")",(long)SvIVX(sv),SvPVX(sv));
1006 sprintf(t,"(\"%.127s\")",SvPVX(sv));
1008 else if (SvNOKp(sv)) {
1009 SET_NUMERIC_STANDARD();
1010 sprintf(t,"(%g)",SvNVX(sv));
1012 else if (SvIOKp(sv))
1013 sprintf(t,"(%ld)",(long)SvIVX(sv));
1034 char *s = SvPVX(sv);
1035 SvLEN(sv) += SvIVX(sv);
1036 SvPVX(sv) -= SvIVX(sv);
1038 Move(s, SvPVX(sv), SvCUR(sv)+1, char);
1040 SvFLAGS(sv) &= ~SVf_OOK;
1048 register I32 newlen;
1050 unsigned long newlen;
1055 #ifdef HAS_64K_LIMIT
1056 if (newlen >= 0x10000) {
1057 PerlIO_printf(Perl_debug_log, "Allocation too large: %lx\n", newlen);
1060 #endif /* HAS_64K_LIMIT */
1063 if (SvTYPE(sv) < SVt_PV) {
1064 sv_upgrade(sv, SVt_PV);
1067 else if (SvOOK(sv)) { /* pv is offset? */
1070 if (newlen > SvLEN(sv))
1071 newlen += 10 * (newlen - SvCUR(sv)); /* avoid copy each time */
1075 if (newlen > SvLEN(sv)) { /* need more room? */
1077 Renew(s,newlen,char);
1079 New(703,s,newlen,char);
1081 SvLEN_set(sv, newlen);
1091 if (SvTHINKFIRST(sv)) {
1092 if (SvREADONLY(sv) && curcop != &compiling)
1097 switch (SvTYPE(sv)) {
1099 sv_upgrade(sv, SVt_IV);
1102 sv_upgrade(sv, SVt_PVNV);
1106 sv_upgrade(sv, SVt_PVIV);
1120 croak("Can't coerce %s to integer in %s", sv_reftype(sv,0),
1121 op_name[op->op_type]);
1123 (void)SvIOK_only(sv); /* validate number */
1136 sv_setnv(sv, (double)u);
1144 if (SvTHINKFIRST(sv)) {
1145 if (SvREADONLY(sv) && curcop != &compiling)
1150 switch (SvTYPE(sv)) {
1153 sv_upgrade(sv, SVt_NV);
1159 sv_upgrade(sv, SVt_PVNV);
1166 (void)SvOOK_off(sv);
1179 croak("Can't coerce %s to number in %s", sv_reftype(sv,0),
1180 op_name[op->op_type]);
1183 (void)SvNOK_only(sv); /* validate number */
1196 for (s = SvPVX(sv), i = 50; *s && i; s++,i--) {
1198 if (ch & 128 && !isPRINT_LC(ch)) {
1207 else if (ch == '\r') {
1211 else if (ch == '\f') {
1215 else if (ch == '\\') {
1219 else if (isPRINT_LC(ch))
1234 warn("Argument \"%s\" isn't numeric in %s", tmpbuf,
1235 op_name[op->op_type]);
1237 warn("Argument \"%s\" isn't numeric", tmpbuf);
1246 if (SvGMAGICAL(sv)) {
1251 if (SvNVX(sv) < 0.0)
1252 return I_V(SvNVX(sv));
1254 return (IV) U_V(SvNVX(sv));
1256 if (SvPOKp(sv) && SvLEN(sv))
1261 if (SvTHINKFIRST(sv)) {
1265 if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer)))
1266 return SvIV(tmpstr);
1267 #endif /* OVERLOAD */
1268 return (IV)SvRV(sv);
1270 if (SvREADONLY(sv)) {
1272 if (SvNVX(sv) < 0.0)
1273 return I_V(SvNVX(sv));
1275 return (IV) U_V(SvNVX(sv));
1277 if (SvPOKp(sv) && SvLEN(sv))
1284 switch (SvTYPE(sv)) {
1286 sv_upgrade(sv, SVt_IV);
1289 sv_upgrade(sv, SVt_PVIV);
1292 sv_upgrade(sv, SVt_PVNV);
1297 if (SvNVX(sv) < 0.0)
1298 SvIVX(sv) = I_V(SvNVX(sv));
1300 SvUVX(sv) = U_V(SvNVX(sv));
1302 else if (SvPOKp(sv) && SvLEN(sv)) {
1304 SvIVX(sv) = asIV(sv);
1307 if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
1311 DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2iv(%ld)\n",
1312 (unsigned long)sv,(long)SvIVX(sv)));
1322 if (SvGMAGICAL(sv)) {
1327 return U_V(SvNVX(sv));
1328 if (SvPOKp(sv) && SvLEN(sv))
1333 if (SvTHINKFIRST(sv)) {
1337 if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer)))
1338 return SvUV(tmpstr);
1339 #endif /* OVERLOAD */
1340 return (UV)SvRV(sv);
1342 if (SvREADONLY(sv)) {
1344 return U_V(SvNVX(sv));
1346 if (SvPOKp(sv) && SvLEN(sv))
1353 switch (SvTYPE(sv)) {
1355 sv_upgrade(sv, SVt_IV);
1358 sv_upgrade(sv, SVt_PVIV);
1361 sv_upgrade(sv, SVt_PVNV);
1366 SvUVX(sv) = U_V(SvNVX(sv));
1368 else if (SvPOKp(sv) && SvLEN(sv)) {
1370 SvUVX(sv) = asUV(sv);
1373 if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
1377 DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2uv(%lu)\n",
1378 (unsigned long)sv,SvUVX(sv)));
1388 if (SvGMAGICAL(sv)) {
1392 if (SvPOKp(sv) && SvLEN(sv)) {
1393 if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
1395 SET_NUMERIC_STANDARD();
1396 return atof(SvPVX(sv));
1399 return (double)SvIVX(sv);
1404 if (SvTHINKFIRST(sv)) {
1408 if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer)))
1409 return SvNV(tmpstr);
1410 #endif /* OVERLOAD */
1411 return (double)(unsigned long)SvRV(sv);
1413 if (SvREADONLY(sv)) {
1414 if (SvPOKp(sv) && SvLEN(sv)) {
1415 if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
1417 SET_NUMERIC_STANDARD();
1418 return atof(SvPVX(sv));
1421 return (double)SvIVX(sv);
1427 if (SvTYPE(sv) < SVt_NV) {
1428 if (SvTYPE(sv) == SVt_IV)
1429 sv_upgrade(sv, SVt_PVNV);
1431 sv_upgrade(sv, SVt_NV);
1432 DEBUG_c(SET_NUMERIC_STANDARD());
1433 DEBUG_c(PerlIO_printf(Perl_debug_log,
1434 "0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv)));
1436 else if (SvTYPE(sv) < SVt_PVNV)
1437 sv_upgrade(sv, SVt_PVNV);
1439 (!SvPOKp(sv) || !strchr(SvPVX(sv),'.') || !looks_like_number(sv)))
1441 SvNVX(sv) = (double)SvIVX(sv);
1443 else if (SvPOKp(sv) && SvLEN(sv)) {
1444 if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
1446 SET_NUMERIC_STANDARD();
1447 SvNVX(sv) = atof(SvPVX(sv));
1450 if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
1455 DEBUG_c(SET_NUMERIC_STANDARD());
1456 DEBUG_c(PerlIO_printf(Perl_debug_log,
1457 "0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv)));
1465 I32 numtype = looks_like_number(sv);
1469 return atol(SvPVX(sv));
1470 if (!numtype && dowarn)
1472 SET_NUMERIC_STANDARD();
1473 d = atof(SvPVX(sv));
1484 I32 numtype = looks_like_number(sv);
1487 return atol(SvPVX(sv));
1488 if (!numtype && dowarn)
1490 SET_NUMERIC_STANDARD();
1491 return U_V(atof(SvPVX(sv)));
1495 looks_like_number(sv)
1499 register char *send;
1500 register char *sbegin;
1508 else if (SvPOKp(sv))
1509 sbegin = SvPV(sv, len);
1512 send = sbegin + len;
1519 if (*s == '+' || *s == '-')
1529 else if (s == SvPVX(sv))
1535 if (*s == 'e' || *s == 'E') {
1538 if (*s == '+' || *s == '-')
1547 if (len == 10 && memEQ(sbegin, "0 but true", 10))
1564 if (SvGMAGICAL(sv)) {
1571 (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv));
1575 SET_NUMERIC_STANDARD();
1576 Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf);
1584 if (SvTHINKFIRST(sv)) {
1588 if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,string)))
1589 return SvPV(tmpstr,*lp);
1590 #endif /* OVERLOAD */
1595 switch (SvTYPE(sv)) {
1604 case SVt_PVMG: s = "SCALAR"; break;
1605 case SVt_PVLV: s = "LVALUE"; break;
1606 case SVt_PVAV: s = "ARRAY"; break;
1607 case SVt_PVHV: s = "HASH"; break;
1608 case SVt_PVCV: s = "CODE"; break;
1609 case SVt_PVGV: s = "GLOB"; break;
1610 case SVt_PVFM: s = "FORMATLINE"; break;
1611 case SVt_PVIO: s = "IO"; break;
1612 default: s = "UNKNOWN"; break;
1615 sprintf(tokenbuf, "%s=%s(0x%lx)",
1616 HvNAME(SvSTASH(sv)), s, (unsigned long)sv);
1618 sprintf(tokenbuf, "%s(0x%lx)", s, (unsigned long)sv);
1624 if (SvREADONLY(sv)) {
1626 SET_NUMERIC_STANDARD();
1627 Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf);
1631 (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv));
1640 if (!SvUPGRADE(sv, SVt_PV))
1643 if (SvTYPE(sv) < SVt_PVNV)
1644 sv_upgrade(sv, SVt_PVNV);
1647 olderrno = errno; /* some Xenix systems wipe out errno here */
1649 if (SvNVX(sv) == 0.0)
1650 (void)strcpy(s,"0");
1654 SET_NUMERIC_STANDARD();
1655 Gconvert(SvNVX(sv), DBL_DIG, 0, s);
1658 #ifdef FIXNEGATIVEZERO
1659 if (*s == '-' && s[1] == '0' && !s[2])
1668 else if (SvIOKp(sv)) {
1669 if (SvTYPE(sv) < SVt_PVIV)
1670 sv_upgrade(sv, SVt_PVIV);
1673 olderrno = errno; /* some Xenix systems wipe out errno here */
1674 (void)sprintf(s,"%ld",(long)SvIVX(sv));
1679 if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
1685 *lp = s - SvPVX(sv);
1688 DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",(unsigned long)sv,SvPVX(sv)));
1692 if (SvROK(sv)) { /* XXX Skip this when sv_pvn_force calls */
1693 /* Sneaky stuff here */
1696 sv = sv_newmortal();
1697 *lp = strlen(tokenbuf);
1698 sv_setpvn(sv, tokenbuf, *lp);
1704 #ifdef FIXNEGATIVEZERO
1705 if (*tokenbuf == '-' && tokenbuf[1] == '0' && !tokenbuf[2])
1706 strcpy(tokenbuf,"0");
1708 (void)SvUPGRADE(sv, SVt_PV);
1709 len = *lp = strlen(tokenbuf);
1710 s = SvGROW(sv, len + 1);
1712 (void)strcpy(s, tokenbuf);
1718 /* This function is only called on magical items */
1732 if (SvAMAGIC(sv) && (tmpsv = AMG_CALLun(sv,bool_)))
1733 return SvTRUE(tmpsv);
1735 #endif /* OVERLOAD */
1736 return SvRV(sv) != 0;
1740 if ((Xpv = (XPV*)SvANY(sv)) &&
1741 (*Xpv->xpv_pv > '0' ||
1743 (Xpv->xpv_cur && *Xpv->xpv_pv != '0')))
1750 return SvIVX(sv) != 0;
1753 return SvNVX(sv) != 0.0;
1760 /* Note: sv_setsv() should not be called with a source string that needs
1761 * to be reused, since it may destroy the source string if it is marked
1770 register U32 sflags;
1776 if (SvTHINKFIRST(dstr)) {
1777 if (SvREADONLY(dstr) && curcop != &compiling)
1784 stype = SvTYPE(sstr);
1785 dtype = SvTYPE(dstr);
1787 if (dtype == SVt_PVGV && (SvFLAGS(dstr) & SVf_FAKE)) {
1788 sv_unglob(dstr); /* so fake GLOB won't perpetuate */
1789 sv_setpvn(dstr, "", 0);
1790 (void)SvPOK_only(dstr);
1791 dtype = SvTYPE(dstr);
1796 #endif /* OVERLOAD */
1797 /* There's a lot of redundancy below but we're going for speed here */
1801 (void)SvOK_off(dstr);
1804 if (dtype != SVt_IV && dtype < SVt_PVIV) {
1806 sv_upgrade(dstr, SVt_IV);
1807 else if (dtype == SVt_NV)
1808 sv_upgrade(dstr, SVt_PVNV);
1810 sv_upgrade(dstr, SVt_PVIV);
1814 if (dtype != SVt_NV && dtype < SVt_PVNV) {
1816 sv_upgrade(dstr, SVt_NV);
1818 sv_upgrade(dstr, SVt_PVNV);
1823 sv_upgrade(dstr, SVt_RV);
1824 else if (dtype == SVt_PVGV &&
1825 SvTYPE(SvRV(sstr)) == SVt_PVGV) {
1828 if (curcop->cop_stash != GvSTASH(dstr))
1829 GvIMPORTED_on(dstr);
1838 sv_upgrade(dstr, SVt_PV);
1841 if (dtype < SVt_PVIV)
1842 sv_upgrade(dstr, SVt_PVIV);
1845 if (dtype < SVt_PVNV)
1846 sv_upgrade(dstr, SVt_PVNV);
1850 sv_upgrade(dstr, SVt_PVLV);
1858 croak("Bizarre copy of %s in %s", sv_reftype(sstr, 0),
1859 op_name[op->op_type]);
1861 croak("Bizarre copy of %s", sv_reftype(sstr, 0));
1865 if (dtype <= SVt_PVGV) {
1867 if (dtype != SVt_PVGV) {
1868 char *name = GvNAME(sstr);
1869 STRLEN len = GvNAMELEN(sstr);
1870 sv_upgrade(dstr, SVt_PVGV);
1871 sv_magic(dstr, dstr, '*', name, len);
1872 GvSTASH(dstr) = GvSTASH(sstr);
1873 GvNAME(dstr) = savepvn(name, len);
1874 GvNAMELEN(dstr) = len;
1875 SvFAKE_on(dstr); /* can coerce to non-glob */
1877 (void)SvOK_off(dstr);
1878 GvINTRO_off(dstr); /* one-shot flag */
1880 GvGP(dstr) = gp_ref(GvGP(sstr));
1882 if (curcop->cop_stash != GvSTASH(dstr))
1883 GvIMPORTED_on(dstr);
1891 sv_upgrade(dstr, stype);
1892 if (SvGMAGICAL(sstr))
1896 sflags = SvFLAGS(sstr);
1898 if (sflags & SVf_ROK) {
1899 if (dtype >= SVt_PV) {
1900 if (dtype == SVt_PVGV) {
1901 SV *sref = SvREFCNT_inc(SvRV(sstr));
1903 int intro = GvINTRO(dstr);
1907 GvGP(dstr)->gp_refcnt--;
1908 GvINTRO_off(dstr); /* one-shot flag */
1909 Newz(602,gp, 1, GP);
1912 GvSV(dstr) = NEWSV(72,0);
1913 GvLINE(dstr) = curcop->cop_line;
1914 GvEGV(dstr) = (GV*)dstr;
1917 switch (SvTYPE(sref)) {
1920 SAVESPTR(GvAV(dstr));
1922 dref = (SV*)GvAV(dstr);
1923 GvAV(dstr) = (AV*)sref;
1924 if (curcop->cop_stash != GvSTASH(dstr))
1925 GvIMPORTED_AV_on(dstr);
1929 SAVESPTR(GvHV(dstr));
1931 dref = (SV*)GvHV(dstr);
1932 GvHV(dstr) = (HV*)sref;
1933 if (curcop->cop_stash != GvSTASH(dstr))
1934 GvIMPORTED_HV_on(dstr);
1938 SAVESPTR(GvCV(dstr));
1940 CV* cv = GvCV(dstr);
1943 if (dowarn && sref != dref &&
1944 !GvCVGEN((GV*)dstr) &&
1945 (CvROOT(cv) || CvXSUB(cv)) )
1946 warn("Subroutine %s redefined",
1947 GvENAME((GV*)dstr));
1951 if (GvCV(dstr) != (CV*)sref) {
1952 GvCV(dstr) = (CV*)sref;
1953 GvASSUMECV_on(dstr);
1955 if (curcop->cop_stash != GvSTASH(dstr))
1956 GvIMPORTED_CV_on(dstr);
1960 SAVESPTR(GvIOp(dstr));
1962 dref = (SV*)GvIOp(dstr);
1963 GvIOp(dstr) = (IO*)sref;
1967 SAVESPTR(GvSV(dstr));
1969 dref = (SV*)GvSV(dstr);
1971 if (curcop->cop_stash != GvSTASH(dstr))
1972 GvIMPORTED_SV_on(dstr);
1983 (void)SvOOK_off(dstr); /* backoff */
1984 Safefree(SvPVX(dstr));
1985 SvLEN(dstr)=SvCUR(dstr)=0;
1988 (void)SvOK_off(dstr);
1989 SvRV(dstr) = SvREFCNT_inc(SvRV(sstr));
1991 if (sflags & SVp_NOK) {
1993 SvNVX(dstr) = SvNVX(sstr);
1995 if (sflags & SVp_IOK) {
1996 (void)SvIOK_on(dstr);
1997 SvIVX(dstr) = SvIVX(sstr);
2000 if (SvAMAGIC(sstr)) {
2003 #endif /* OVERLOAD */
2005 else if (sflags & SVp_POK) {
2008 * Check to see if we can just swipe the string. If so, it's a
2009 * possible small lose on short strings, but a big win on long ones.
2010 * It might even be a win on short strings if SvPVX(dstr)
2011 * has to be allocated and SvPVX(sstr) has to be freed.
2014 if (SvTEMP(sstr) && /* slated for free anyway? */
2015 !(sflags & SVf_OOK)) /* and not involved in OOK hack? */
2017 if (SvPVX(dstr)) { /* we know that dtype >= SVt_PV */
2019 SvFLAGS(dstr) &= ~SVf_OOK;
2020 Safefree(SvPVX(dstr) - SvIVX(dstr));
2023 Safefree(SvPVX(dstr));
2025 (void)SvPOK_only(dstr);
2026 SvPV_set(dstr, SvPVX(sstr));
2027 SvLEN_set(dstr, SvLEN(sstr));
2028 SvCUR_set(dstr, SvCUR(sstr));
2030 (void)SvOK_off(sstr);
2031 SvPV_set(sstr, Nullch);
2036 else { /* have to copy actual string */
2037 STRLEN len = SvCUR(sstr);
2039 SvGROW(dstr, len + 1); /* inlined from sv_setpvn */
2040 Move(SvPVX(sstr),SvPVX(dstr),len,char);
2041 SvCUR_set(dstr, len);
2042 *SvEND(dstr) = '\0';
2043 (void)SvPOK_only(dstr);
2046 if (sflags & SVp_NOK) {
2048 SvNVX(dstr) = SvNVX(sstr);
2050 if (sflags & SVp_IOK) {
2051 (void)SvIOK_on(dstr);
2052 SvIVX(dstr) = SvIVX(sstr);
2055 else if (sflags & SVp_NOK) {
2056 SvNVX(dstr) = SvNVX(sstr);
2057 (void)SvNOK_only(dstr);
2059 (void)SvIOK_on(dstr);
2060 SvIVX(dstr) = SvIVX(sstr);
2063 else if (sflags & SVp_IOK) {
2064 (void)SvIOK_only(dstr);
2065 SvIVX(dstr) = SvIVX(sstr);
2068 (void)SvOK_off(dstr);
2074 sv_setpvn(sv,ptr,len)
2077 register STRLEN len;
2079 assert(len >= 0); /* STRLEN is probably unsigned, so this may
2080 elicit a warning, but it won't hurt. */
2081 if (SvTHINKFIRST(sv)) {
2082 if (SvREADONLY(sv) && curcop != &compiling)
2091 if (SvTYPE(sv) >= SVt_PV) {
2092 if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV)
2095 else if (!sv_upgrade(sv, SVt_PV))
2097 SvGROW(sv, len + 1);
2098 Move(ptr,SvPVX(sv),len,char);
2101 (void)SvPOK_only(sv); /* validate pointer */
2110 register STRLEN len;
2112 if (SvTHINKFIRST(sv)) {
2113 if (SvREADONLY(sv) && curcop != &compiling)
2123 if (SvTYPE(sv) >= SVt_PV) {
2124 if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV)
2127 else if (!sv_upgrade(sv, SVt_PV))
2129 SvGROW(sv, len + 1);
2130 Move(ptr,SvPVX(sv),len+1,char);
2132 (void)SvPOK_only(sv); /* validate pointer */
2137 sv_usepvn(sv,ptr,len)
2140 register STRLEN len;
2142 if (SvTHINKFIRST(sv)) {
2143 if (SvREADONLY(sv) && curcop != &compiling)
2148 if (!SvUPGRADE(sv, SVt_PV))
2155 Safefree(SvPVX(sv));
2156 Renew(ptr, len+1, char);
2159 SvLEN_set(sv, len+1);
2161 (void)SvPOK_only(sv); /* validate pointer */
2166 sv_chop(sv,ptr) /* like set but assuming ptr is in sv */
2170 register STRLEN delta;
2172 if (!ptr || !SvPOKp(sv))
2174 if (SvTHINKFIRST(sv)) {
2175 if (SvREADONLY(sv) && curcop != &compiling)
2180 if (SvTYPE(sv) < SVt_PVIV)
2181 sv_upgrade(sv,SVt_PVIV);
2185 SvFLAGS(sv) |= SVf_OOK;
2187 SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVp_IOK|SVp_NOK);
2188 delta = ptr - SvPVX(sv);
2196 sv_catpvn(sv,ptr,len)
2199 register STRLEN len;
2204 junk = SvPV_force(sv, tlen);
2205 SvGROW(sv, tlen + len + 1);
2208 Move(ptr,SvPVX(sv)+tlen,len,char);
2211 (void)SvPOK_only(sv); /* validate pointer */
2224 if (s = SvPV(sstr, len))
2225 sv_catpvn(dstr,s,len);
2233 register STRLEN len;
2239 junk = SvPV_force(sv, tlen);
2241 SvGROW(sv, tlen + len + 1);
2244 Move(ptr,SvPVX(sv)+tlen,len+1,char);
2246 (void)SvPOK_only(sv); /* validate pointer */
2266 sv_upgrade(sv, SVt_PV);
2267 SvGROW(sv, len + 1);
2272 /* name is assumed to contain an SV* if (name && namelen == HEf_SVKEY) */
2275 sv_magic(sv, obj, how, name, namlen)
2284 if (SvREADONLY(sv) && curcop != &compiling && !strchr("gBf", how))
2286 if (SvMAGICAL(sv) || (how == 't' && SvTYPE(sv) >= SVt_PVMG)) {
2287 if (SvMAGIC(sv) && (mg = mg_find(sv, how))) {
2294 if (!SvUPGRADE(sv, SVt_PVMG))
2297 Newz(702,mg, 1, MAGIC);
2298 mg->mg_moremagic = SvMAGIC(sv);
2301 if (!obj || obj == sv || how == '#')
2304 mg->mg_obj = SvREFCNT_inc(obj);
2305 mg->mg_flags |= MGf_REFCOUNTED;
2308 mg->mg_len = namlen;
2311 mg->mg_ptr = savepvn(name, namlen);
2312 else if (namlen == HEf_SVKEY)
2313 mg->mg_ptr = (char*)SvREFCNT_inc((SV*)name);
2317 mg->mg_virtual = &vtbl_sv;
2321 mg->mg_virtual = &vtbl_amagic;
2324 mg->mg_virtual = &vtbl_amagicelem;
2329 #endif /* OVERLOAD */
2331 mg->mg_virtual = &vtbl_bm;
2334 mg->mg_virtual = &vtbl_env;
2337 mg->mg_virtual = &vtbl_fm;
2340 mg->mg_virtual = &vtbl_envelem;
2343 mg->mg_virtual = &vtbl_mglob;
2346 mg->mg_virtual = &vtbl_isa;
2349 mg->mg_virtual = &vtbl_isaelem;
2352 mg->mg_virtual = &vtbl_nkeys;
2359 mg->mg_virtual = &vtbl_dbline;
2361 #ifdef USE_LOCALE_COLLATE
2363 mg->mg_virtual = &vtbl_collxfrm;
2365 #endif /* USE_LOCALE_COLLATE */
2367 mg->mg_virtual = &vtbl_pack;
2371 mg->mg_virtual = &vtbl_packelem;
2374 mg->mg_virtual = &vtbl_sig;
2377 mg->mg_virtual = &vtbl_sigelem;
2380 mg->mg_virtual = &vtbl_taint;
2384 mg->mg_virtual = &vtbl_uvar;
2387 mg->mg_virtual = &vtbl_vec;
2390 mg->mg_virtual = &vtbl_substr;
2393 mg->mg_virtual = &vtbl_vivary;
2396 mg->mg_virtual = &vtbl_glob;
2399 mg->mg_virtual = &vtbl_arylen;
2402 mg->mg_virtual = &vtbl_pos;
2404 case '~': /* Reserved for use by extensions not perl internals. */
2405 /* Useful for attaching extension internal data to perl vars. */
2406 /* Note that multiple extensions may clash if magical scalars */
2407 /* etc holding private data from one are passed to another. */
2411 croak("Don't know how to handle magic of type '%c'", how);
2415 SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK);
2419 sv_unmagic(sv, type)
2425 if (SvTYPE(sv) < SVt_PVMG || !SvMAGIC(sv))
2428 for (mg = *mgp; mg; mg = *mgp) {
2429 if (mg->mg_type == type) {
2430 MGVTBL* vtbl = mg->mg_virtual;
2431 *mgp = mg->mg_moremagic;
2432 if (vtbl && vtbl->svt_free)
2433 (*vtbl->svt_free)(sv, mg);
2434 if (mg->mg_ptr && mg->mg_type != 'g')
2435 if (mg->mg_len >= 0)
2436 Safefree(mg->mg_ptr);
2437 else if (mg->mg_len == HEf_SVKEY)
2438 SvREFCNT_dec((SV*)mg->mg_ptr);
2439 if (mg->mg_flags & MGf_REFCOUNTED)
2440 SvREFCNT_dec(mg->mg_obj);
2444 mgp = &mg->mg_moremagic;
2448 SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
2455 sv_insert(bigstr,offset,len,little,littlelen)
2464 register char *midend;
2465 register char *bigend;
2469 croak("Can't modify non-existent substring");
2470 SvPV_force(bigstr, na);
2472 i = littlelen - len;
2473 if (i > 0) { /* string might grow */
2474 big = SvGROW(bigstr, SvCUR(bigstr) + i + 1);
2475 mid = big + offset + len;
2476 midend = bigend = big + SvCUR(bigstr);
2479 while (midend > mid) /* shove everything down */
2480 *--bigend = *--midend;
2481 Move(little,big+offset,littlelen,char);
2487 Move(little,SvPVX(bigstr)+offset,len,char);
2492 big = SvPVX(bigstr);
2495 bigend = big + SvCUR(bigstr);
2497 if (midend > bigend)
2498 croak("panic: sv_insert");
2500 if (mid - big > bigend - midend) { /* faster to shorten from end */
2502 Move(little, mid, littlelen,char);
2505 i = bigend - midend;
2507 Move(midend, mid, i,char);
2511 SvCUR_set(bigstr, mid - big);
2514 else if (i = mid - big) { /* faster from front */
2515 midend -= littlelen;
2517 sv_chop(bigstr,midend-i);
2522 Move(little, mid, littlelen,char);
2524 else if (littlelen) {
2525 midend -= littlelen;
2526 sv_chop(bigstr,midend);
2527 Move(little,midend,littlelen,char);
2530 sv_chop(bigstr,midend);
2535 /* make sv point to what nstr did */
2542 U32 refcnt = SvREFCNT(sv);
2543 if (SvTHINKFIRST(sv)) {
2544 if (SvREADONLY(sv) && curcop != &compiling)
2549 if (SvREFCNT(nsv) != 1)
2550 warn("Reference miscount in sv_replace()");
2551 if (SvMAGICAL(sv)) {
2555 sv_upgrade(nsv, SVt_PVMG);
2556 SvMAGIC(nsv) = SvMAGIC(sv);
2557 SvFLAGS(nsv) |= SvMAGICAL(sv);
2563 StructCopy(nsv,sv,SV);
2564 SvREFCNT(sv) = refcnt;
2565 SvFLAGS(nsv) |= SVTYPEMASK; /* Mark as freed */
2574 assert(SvREFCNT(sv) == 0);
2580 if (defstash) { /* Still have a symbol table? */
2581 destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY");
2584 SAVEFREESV(SvSTASH(sv));
2585 if (destructor && GvCV(destructor)) {
2589 sv_upgrade(&ref, SVt_RV);
2590 SvRV(&ref) = SvREFCNT_inc(sv);
2597 perl_call_sv((SV*)destructor, G_DISCARD|G_EVAL|G_KEEPERR);
2598 del_XRV(SvANY(&ref));
2604 SvREFCNT_dec(SvSTASH(sv));
2606 SvOBJECT_off(sv); /* Curse the object. */
2607 if (SvTYPE(sv) != SVt_PVIO)
2608 --sv_objcount; /* XXX Might want something more general */
2613 && (ret = perl_get_sv("DB::ret", FALSE))
2614 && SvROK(ret) && SvRV(ret) == sv && SvREFCNT(sv) == 1) {
2615 /* Debugger is prone to dangling references. */
2620 croak("DESTROY created new reference to dead object");
2624 if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv))
2626 switch (SvTYPE(sv)) {
2628 if (IoIFP(sv) != PerlIO_stdin() &&
2629 IoIFP(sv) != PerlIO_stdout() &&
2630 IoIFP(sv) != PerlIO_stderr())
2632 Safefree(IoTOP_NAME(sv));
2633 Safefree(IoFMT_NAME(sv));
2634 Safefree(IoBOTTOM_NAME(sv));
2650 Safefree(GvNAME(sv));
2657 (void)SvOOK_off(sv);
2662 SvREFCNT_dec(SvRV(sv));
2663 else if (SvPVX(sv) && SvLEN(sv))
2664 Safefree(SvPVX(sv));
2674 switch (SvTYPE(sv)) {
2690 del_XPVIV(SvANY(sv));
2693 del_XPVNV(SvANY(sv));
2696 del_XPVMG(SvANY(sv));
2699 del_XPVLV(SvANY(sv));
2702 del_XPVAV(SvANY(sv));
2705 del_XPVHV(SvANY(sv));
2708 del_XPVCV(SvANY(sv));
2711 del_XPVGV(SvANY(sv));
2714 del_XPVBM(SvANY(sv));
2717 del_XPVFM(SvANY(sv));
2720 del_XPVIO(SvANY(sv));
2723 SvFLAGS(sv) &= SVf_BREAK;
2724 SvFLAGS(sv) |= SVTYPEMASK;
2742 if (SvREADONLY(sv)) {
2743 if (sv == &sv_undef || sv == &sv_yes || sv == &sv_no)
2746 if (SvREFCNT(sv) == 0) {
2747 if (SvFLAGS(sv) & SVf_BREAK)
2749 if (in_clean_all) /* All is fair */
2751 warn("Attempt to free unreferenced scalar");
2754 if (--SvREFCNT(sv) > 0)
2758 warn("Attempt to free temp prematurely");
2779 junk = SvPV(sv, len);
2798 pv1 = SvPV(str1, cur1);
2803 pv2 = SvPV(str2, cur2);
2808 return memEQ(pv1, pv2, cur1);
2817 char *pv1 = str1 ? SvPV(str1, cur1) : NULL;
2819 char *pv2 = str2 ? SvPV(str2, cur2) : NULL;
2823 return cur2 ? -1 : 0;
2828 retval = memcmp((void*)pv1, (void*)pv2, cur1 < cur2 ? cur1 : cur2);
2831 return retval < 0 ? -1 : 1;
2836 return cur1 < cur2 ? -1 : 1;
2840 sv_cmp_locale(sv1, sv2)
2844 #ifdef USE_LOCALE_COLLATE
2850 if (collation_standard)
2854 pv1 = sv1 ? sv_collxfrm(sv1, &len1) : NULL;
2856 pv2 = sv2 ? sv_collxfrm(sv2, &len2) : NULL;
2858 if (!pv1 || !len1) {
2869 retval = memcmp((void*)pv1, (void*)pv2, len1 < len2 ? len1 : len2);
2872 return retval < 0 ? -1 : 1;
2875 * When the result of collation is equality, that doesn't mean
2876 * that there are no differences -- some locales exclude some
2877 * characters from consideration. So to avoid false equalities,
2878 * we use the raw string as a tiebreaker.
2884 #endif /* USE_LOCALE_COLLATE */
2886 return sv_cmp(sv1, sv2);
2889 #ifdef USE_LOCALE_COLLATE
2892 sv_collxfrm(sv, nxp)
2896 /* Any scalar variable may carry an 'o' magic that contains the
2897 * scalar data of the variable transformed to such a format that
2898 * a normal memory comparison can be used to compare the data
2899 * according to the locale settings. */
2903 if (SvMAGICAL(sv)) {
2904 mg = mg_find(sv, 'o');
2905 if (mg && *(U32*)mg->mg_ptr != collation_ix)
2914 if ((xf = mem_collxfrm(s, len, &xlen))) {
2915 sv_magic(sv, 0, 'o', 0, 0);
2916 if ((mg = mg_find(sv, 'o'))) {
2925 return mg->mg_ptr + sizeof(collation_ix);
2933 #endif /* USE_LOCALE_COLLATE */
2936 sv_gets(sv,fp,append)
2938 register PerlIO *fp;
2943 register STDCHAR rslast;
2944 register STDCHAR *bp;
2948 if (SvTHINKFIRST(sv)) {
2949 if (SvREADONLY(sv) && curcop != &compiling)
2954 if (!SvUPGRADE(sv, SVt_PV))
2962 else if (RsPARA(rs)) {
2967 rsptr = SvPV(rs, rslen);
2968 rslast = rslen ? rsptr[rslen - 1] : '\0';
2970 if (RsPARA(rs)) { /* have to do this both before and after */
2971 do { /* to make sure file boundaries work right */
2974 i = PerlIO_getc(fp);
2978 PerlIO_ungetc(fp,i);
2984 /* See if we know enough about I/O mechanism to cheat it ! */
2986 /* This used to be #ifdef test - it is made run-time test for ease
2987 of abstracting out stdio interface. One call should be cheap
2988 enough here - and may even be a macro allowing compile
2992 if (PerlIO_fast_gets(fp)) {
2995 * We're going to steal some values from the stdio struct
2996 * and put EVERYTHING in the innermost loop into registers.
2998 register STDCHAR *ptr;
3002 #if defined(VMS) && defined(PERLIO_IS_STDIO)
3003 /* An ungetc()d char is handled separately from the regular
3004 * buffer, so we getc() it back out and stuff it in the buffer.
3006 i = PerlIO_getc(fp);
3007 if (i == EOF) return 0;
3008 *(--((*fp)->_ptr)) = (unsigned char) i;
3012 /* Here is some breathtakingly efficient cheating */
3014 cnt = PerlIO_get_cnt(fp); /* get count into register */
3015 (void)SvPOK_only(sv); /* validate pointer */
3016 if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */
3017 if (cnt > 80 && SvLEN(sv) > append) {
3018 shortbuffered = cnt - SvLEN(sv) + append + 1;
3019 cnt -= shortbuffered;
3023 /* remember that cnt can be negative */
3024 SvGROW(sv, append + (cnt <= 0 ? 2 : (cnt + 1)));
3029 bp = (STDCHAR*)SvPVX(sv) + append; /* move these two too to registers */
3030 ptr = (STDCHAR*)PerlIO_get_ptr(fp);
3031 DEBUG_P(PerlIO_printf(Perl_debug_log,
3032 "Screamer: entering, ptr=%d, cnt=%d\n",ptr,cnt));
3033 DEBUG_P(PerlIO_printf(Perl_debug_log,
3034 "Screamer: entering: FILE * thinks ptr=%d, cnt=%d, base=%d\n",
3035 PerlIO_get_ptr(fp), PerlIO_get_cnt(fp),
3036 PerlIO_has_base(fp) ? PerlIO_get_base(fp) : 0));
3041 while (cnt > 0) { /* this | eat */
3043 if ((*bp++ = *ptr++) == rslast) /* really | dust */
3044 goto thats_all_folks; /* screams | sed :-) */
3048 Copy(ptr, bp, cnt, char); /* this | eat */
3049 bp += cnt; /* screams | dust */
3050 ptr += cnt; /* louder | sed :-) */
3055 if (shortbuffered) { /* oh well, must extend */
3056 cnt = shortbuffered;
3058 bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */
3060 SvGROW(sv, SvLEN(sv) + append + cnt + 2);
3061 bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */
3065 DEBUG_P(PerlIO_printf(Perl_debug_log,
3066 "Screamer: going to getc, ptr=%d, cnt=%d\n",ptr,cnt));
3067 PerlIO_set_ptrcnt(fp, ptr, cnt); /* deregisterize cnt and ptr */
3068 DEBUG_P(PerlIO_printf(Perl_debug_log,
3069 "Screamer: pre: FILE * thinks ptr=%d, cnt=%d, base=%d\n",
3070 PerlIO_get_ptr(fp), PerlIO_get_cnt(fp),
3071 PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0));
3072 /* This used to call 'filbuf' in stdio form, but as that behaves like
3073 getc when cnt <= 0 we use PerlIO_getc here to avoid another
3074 abstraction. This may also avoid issues with different named
3075 'filbuf' equivalents, though Configure tries to handle them now
3078 i = PerlIO_getc(fp); /* get more characters */
3079 DEBUG_P(PerlIO_printf(Perl_debug_log,
3080 "Screamer: post: FILE * thinks ptr=%d, cnt=%d, base=%d\n",
3081 PerlIO_get_ptr(fp), PerlIO_get_cnt(fp),
3082 PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0));
3083 cnt = PerlIO_get_cnt(fp);
3084 ptr = (STDCHAR*)PerlIO_get_ptr(fp); /* reregisterize cnt and ptr */
3085 DEBUG_P(PerlIO_printf(Perl_debug_log,
3086 "Screamer: after getc, ptr=%d, cnt=%d\n",ptr,cnt));
3088 if (i == EOF) /* all done for ever? */
3089 goto thats_really_all_folks;
3091 bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */
3093 SvGROW(sv, bpx + cnt + 2);
3094 bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */
3096 *bp++ = i; /* store character from PerlIO_getc */
3098 if (rslen && (STDCHAR)i == rslast) /* all done for now? */
3099 goto thats_all_folks;
3103 if ((rslen > 1 && (bp - (STDCHAR*)SvPVX(sv) < rslen)) ||
3104 memNE((char*)bp - rslen, rsptr, rslen))
3105 goto screamer; /* go back to the fray */
3106 thats_really_all_folks:
3108 cnt += shortbuffered;
3109 DEBUG_P(PerlIO_printf(Perl_debug_log,
3110 "Screamer: quitting, ptr=%d, cnt=%d\n",ptr,cnt));
3111 PerlIO_set_ptrcnt(fp, ptr, cnt); /* put these back or we're in trouble */
3112 DEBUG_P(PerlIO_printf(Perl_debug_log,
3113 "Screamer: end: FILE * thinks ptr=%d, cnt=%d, base=%d\n",
3114 PerlIO_get_ptr(fp), PerlIO_get_cnt(fp),
3115 PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0));
3117 SvCUR_set(sv, bp - (STDCHAR*)SvPVX(sv)); /* set length */
3118 DEBUG_P(PerlIO_printf(Perl_debug_log,
3119 "Screamer: done, len=%d, string=|%.*s|\n",
3120 SvCUR(sv),SvCUR(sv),SvPVX(sv)));
3124 /*The big, slow, and stupid way */
3129 register STDCHAR *bpe = buf + sizeof(buf);
3131 while ((i = PerlIO_getc(fp)) != EOF && (*bp++ = i) != rslast && bp < bpe)
3132 ; /* keep reading */
3136 cnt = PerlIO_read(fp,(char*)buf, sizeof(buf));
3137 /* Accomodate broken VAXC compiler, which applies U8 cast to
3138 * both args of ?: operator, causing EOF to change into 255
3140 if (cnt) { i = (U8)buf[cnt - 1]; } else { i = EOF; }
3144 sv_catpvn(sv, (char *) buf, cnt);
3146 sv_setpvn(sv, (char *) buf, cnt);
3148 if (i != EOF && /* joy */
3150 SvCUR(sv) < rslen ||
3151 memNE(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen)))
3158 if (RsPARA(rs)) { /* have to do this both before and after */
3159 while (i != EOF) { /* to make sure file boundaries work right */
3160 i = PerlIO_getc(fp);
3162 PerlIO_ungetc(fp,i);
3168 return (SvCUR(sv) - append) ? SvPVX(sv) : Nullch;
3181 if (SvTHINKFIRST(sv)) {
3182 if (SvREADONLY(sv) && curcop != &compiling)
3186 if (SvAMAGIC(sv) && AMG_CALLun(sv,inc)) return;
3187 #endif /* OVERLOAD */
3193 flags = SvFLAGS(sv);
3194 if (flags & SVp_NOK) {
3195 (void)SvNOK_only(sv);
3199 if (flags & SVp_IOK) {
3200 if (SvIVX(sv) == IV_MAX)
3201 sv_setnv(sv, (double)IV_MAX + 1.0);
3203 (void)SvIOK_only(sv);
3208 if (!(flags & SVp_POK) || !*SvPVX(sv)) {
3209 if ((flags & SVTYPEMASK) < SVt_PVNV)
3210 sv_upgrade(sv, SVt_NV);
3212 (void)SvNOK_only(sv);
3216 while (isALPHA(*d)) d++;
3217 while (isDIGIT(*d)) d++;
3219 SET_NUMERIC_STANDARD();
3220 sv_setnv(sv,atof(SvPVX(sv)) + 1.0); /* punt */
3224 while (d >= SvPVX(sv)) {
3234 *(d--) -= 'z' - 'a' + 1;
3237 /* oh,oh, the number grew */
3238 SvGROW(sv, SvCUR(sv) + 2);
3240 for (d = SvPVX(sv) + SvCUR(sv); d > SvPVX(sv); d--)
3256 if (SvTHINKFIRST(sv)) {
3257 if (SvREADONLY(sv) && curcop != &compiling)
3261 if (SvAMAGIC(sv) && AMG_CALLun(sv,dec)) return;
3262 #endif /* OVERLOAD */
3268 flags = SvFLAGS(sv);
3269 if (flags & SVp_NOK) {
3271 (void)SvNOK_only(sv);
3274 if (flags & SVp_IOK) {
3275 if (SvIVX(sv) == IV_MIN)
3276 sv_setnv(sv, (double)IV_MIN - 1.0);
3278 (void)SvIOK_only(sv);
3283 if (!(flags & SVp_POK)) {
3284 if ((flags & SVTYPEMASK) < SVt_PVNV)
3285 sv_upgrade(sv, SVt_NV);
3287 (void)SvNOK_only(sv);
3290 SET_NUMERIC_STANDARD();
3291 sv_setnv(sv,atof(SvPVX(sv)) - 1.0); /* punt */
3294 /* Make a string that will exist for the duration of the expression
3295 * evaluation. Actually, it may have to last longer than that, but
3296 * hopefully we won't free it until it has been assigned to a
3297 * permanent location. */
3302 tmps_max += (tmps_max < 512) ? 128 : 512;
3303 Renew(tmps_stack, tmps_max, SV*);
3307 sv_mortalcopy(oldstr)
3316 sv_setsv(sv,oldstr);
3317 if (++tmps_ix >= tmps_max)
3319 tmps_stack[tmps_ix] = sv;
3332 SvFLAGS(sv) = SVs_TEMP;
3333 if (++tmps_ix >= tmps_max)
3335 tmps_stack[tmps_ix] = sv;
3339 /* same thing without the copying */
3347 if (SvREADONLY(sv) && curcop != &compiling)
3349 if (++tmps_ix >= tmps_max)
3351 tmps_stack[tmps_ix] = sv;
3369 sv_setpvn(sv,s,len);
3411 sv_upgrade(sv, SVt_RV);
3413 SvRV(sv) = SvREFCNT_inc(ref);
3429 #endif /* CRIPPLED_CC */
3431 /* make an exact duplicate of old */
3441 if (SvTYPE(old) == SVTYPEMASK) {
3442 warn("semi-panic: attempt to dup freed string");
3472 if (!*s) { /* reset ?? searches */
3473 for (pm = HvPMROOT(stash); pm; pm = pm->op_pmnext) {
3474 pm->op_pmflags &= ~PMf_USED;
3479 /* reset variables */
3481 if (!HvARRAY(stash))
3484 Zero(todo, 256, char);
3491 for ( ; i <= max; i++) {
3494 for (i = 0; i <= (I32) HvMAX(stash); i++) {
3495 for (entry = HvARRAY(stash)[i];
3497 entry = HeNEXT(entry)) {
3498 if (!todo[(U8)*HeKEY(entry)])
3500 gv = (GV*)HeVAL(entry);
3503 if (SvTYPE(sv) >= SVt_PV) {
3506 if (SvPVX(sv) != Nullch)
3513 if (HvNAME(GvHV(gv)))
3516 #ifndef VMS /* VMS has no environ array */
3518 environ[0] = Nullch;
3527 sv_2cv(sv, st, gvp, lref)
3537 return *gvp = Nullgv, Nullcv;
3538 switch (SvTYPE(sv)) {
3558 if (SvTYPE(cv) != SVt_PVCV)
3559 croak("Not a subroutine reference");
3567 gv = gv_fetchpv(SvPV(sv, na), lref, SVt_PVCV);
3573 if (lref && !GvCV(gv)) {
3576 tmpsv = NEWSV(704,0);
3577 gv_efullname3(tmpsv, gv, Nullch);
3578 newSUB(start_subparse(),
3579 newSVOP(OP_CONST, 0, tmpsv),
3584 croak("Unable to create sub named \"%s\"", SvPV(sv,na));
3601 if ((Xpv = (XPV*)SvANY(sv)) &&
3602 (*Xpv->xpv_pv > '0' ||
3604 (Xpv->xpv_cur && *Xpv->xpv_pv != '0')))
3611 return SvIVX(sv) != 0;
3614 return SvNVX(sv) != 0.0;
3616 return sv_2bool(sv);
3620 #endif /* !SvTRUE */
3665 return sv_2pv(sv, lp);
3670 sv_pvn_force(sv, lp)
3676 if (SvREADONLY(sv) && curcop != &compiling)
3683 if (SvTYPE(sv) > SVt_PVLV && SvTYPE(sv) != SVt_PVFM) {
3684 if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) {
3690 croak("Can't coerce %s to string in %s", sv_reftype(sv,0),
3691 op_name[op->op_type]);
3695 if (s != SvPVX(sv)) { /* Almost, but not quite, sv_setpvn() */
3700 (void)SvUPGRADE(sv, SVt_PV); /* Never FALSE */
3701 SvGROW(sv, len + 1);
3702 Move(s,SvPVX(sv),len,char);
3707 SvPOK_on(sv); /* validate pointer */
3709 DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",
3710 (unsigned long)sv,SvPVX(sv)));
3721 if (ob && SvOBJECT(sv))
3722 return HvNAME(SvSTASH(sv));
3724 switch (SvTYPE(sv)) {
3738 case SVt_PVLV: return "LVALUE";
3739 case SVt_PVAV: return "ARRAY";
3740 case SVt_PVHV: return "HASH";
3741 case SVt_PVCV: return "CODE";
3742 case SVt_PVGV: return "GLOB";
3743 case SVt_PVFM: return "FORMLINE";
3744 default: return "UNKNOWN";
3772 return strEQ(HvNAME(SvSTASH(sv)), name);
3776 newSVrv(rv, classname)
3786 sv_upgrade(rv, SVt_RV);
3787 SvRV(rv) = SvREFCNT_inc(sv);
3791 HV* stash = gv_stashpv(classname, TRUE);
3792 (void)sv_bless(rv, stash);
3798 sv_setref_pv(rv, classname, pv)
3804 sv_setsv(rv, &sv_undef);
3806 sv_setiv(newSVrv(rv,classname), (IV)pv);
3811 sv_setref_iv(rv, classname, iv)
3816 sv_setiv(newSVrv(rv,classname), iv);
3821 sv_setref_nv(rv, classname, nv)
3826 sv_setnv(newSVrv(rv,classname), nv);
3831 sv_setref_pvn(rv, classname, pv, n)
3837 sv_setpvn(newSVrv(rv,classname), pv, n);
3848 croak("Can't bless non-reference value");
3850 if (SvFLAGS(ref) & (SVs_OBJECT|SVf_READONLY)) {
3851 if (SvREADONLY(ref))
3853 if (SvOBJECT(ref) && SvTYPE(ref) != SVt_PVIO)
3858 (void)SvUPGRADE(ref, SVt_PVMG);
3859 SvSTASH(ref) = (HV*)SvREFCNT_inc(stash);
3863 if (Gv_AMG(stash)) {
3866 #endif /* OVERLOAD */
3875 assert(SvTYPE(sv) == SVt_PVGV);
3879 sv_unmagic(sv, '*');
3880 Safefree(GvNAME(sv));
3882 SvFLAGS(sv) &= ~SVTYPEMASK;
3883 SvFLAGS(sv) |= SVt_PVMG;
3894 if (SvREFCNT(rv) != 1 || SvREADONLY(rv))
3897 sv_2mortal(rv); /* Schedule for freeing later */
3907 switch (SvTYPE(sv)) {
3915 croak("Bad filehandle: %s", GvNAME(gv));
3919 croak(no_usym, "filehandle");
3921 return sv_2io(SvRV(sv));
3922 gv = gv_fetchpv(SvPV(sv,na), FALSE, SVt_PVIO);
3928 croak("Bad filehandle: %s", SvPV(sv,na));
3938 sv_magic((sv), Nullsv, 't', Nullch, 0);
3945 if (SvMAGICAL(sv)) {
3946 MAGIC *mg = mg_find(sv, 't');
3956 if (SvMAGICAL(sv)) {
3957 MAGIC *mg = mg_find(sv, 't');
3958 if (mg && ((mg->mg_len & 1) || (mg->mg_len & 2) && mg->mg_obj == sv))
3975 PerlIO_printf(Perl_debug_log, "SV = 0\n");
3979 flags = SvFLAGS(sv);
3982 sprintf(d, "(0x%lx)\n REFCNT = %ld\n FLAGS = (",
3983 (unsigned long)SvANY(sv), (long)SvREFCNT(sv));
3985 if (flags & SVs_PADBUSY) strcat(d, "PADBUSY,");
3986 if (flags & SVs_PADTMP) strcat(d, "PADTMP,");
3987 if (flags & SVs_PADMY) strcat(d, "PADMY,");
3988 if (flags & SVs_TEMP) strcat(d, "TEMP,");
3989 if (flags & SVs_OBJECT) strcat(d, "OBJECT,");
3990 if (flags & SVs_GMG) strcat(d, "GMG,");
3991 if (flags & SVs_SMG) strcat(d, "SMG,");
3992 if (flags & SVs_RMG) strcat(d, "RMG,");
3995 if (flags & SVf_IOK) strcat(d, "IOK,");
3996 if (flags & SVf_NOK) strcat(d, "NOK,");
3997 if (flags & SVf_POK) strcat(d, "POK,");
3998 if (flags & SVf_ROK) strcat(d, "ROK,");
3999 if (flags & SVf_OOK) strcat(d, "OOK,");
4000 if (flags & SVf_FAKE) strcat(d, "FAKE,");
4001 if (flags & SVf_READONLY) strcat(d, "READONLY,");
4005 if (flags & SVf_AMAGIC) strcat(d, "OVERLOAD,");
4006 #endif /* OVERLOAD */
4007 if (flags & SVp_IOK) strcat(d, "pIOK,");
4008 if (flags & SVp_NOK) strcat(d, "pNOK,");
4009 if (flags & SVp_POK) strcat(d, "pPOK,");
4010 if (flags & SVp_SCREAM) strcat(d, "SCREAM,");
4014 if (CvANON(sv)) strcat(d, "ANON,");
4015 if (CvCLONE(sv)) strcat(d, "CLONE,");
4016 if (CvCLONED(sv)) strcat(d, "CLONED,");
4019 if (HvSHAREKEYS(sv)) strcat(d, "SHAREKEYS,");
4020 if (HvLAZYDEL(sv)) strcat(d, "LAZYDEL,");
4023 if (GvINTRO(sv)) strcat(d, "INTRO,");
4024 if (GvMULTI(sv)) strcat(d, "MULTI,");
4025 if (GvASSUMECV(sv)) strcat(d, "ASSUMECV,");
4026 if (GvIMPORTED(sv)) {
4027 strcat(d, "IMPORT");
4028 if (GvIMPORTED(sv) == GVf_IMPORTED)
4032 if (GvIMPORTED_SV(sv)) strcat(d, " SV");
4033 if (GvIMPORTED_AV(sv)) strcat(d, " AV");
4034 if (GvIMPORTED_HV(sv)) strcat(d, " HV");
4035 if (GvIMPORTED_CV(sv)) strcat(d, " CV");
4040 if (flags & SVpgv_AM) strcat(d, "withOVERLOAD,");
4041 #endif /* OVERLOAD */
4050 PerlIO_printf(Perl_debug_log, "SV = ");
4053 PerlIO_printf(Perl_debug_log, "NULL%s\n", tmpbuf);
4056 PerlIO_printf(Perl_debug_log, "IV%s\n", tmpbuf);
4059 PerlIO_printf(Perl_debug_log, "NV%s\n", tmpbuf);
4062 PerlIO_printf(Perl_debug_log, "RV%s\n", tmpbuf);
4065 PerlIO_printf(Perl_debug_log, "PV%s\n", tmpbuf);
4068 PerlIO_printf(Perl_debug_log, "PVIV%s\n", tmpbuf);
4071 PerlIO_printf(Perl_debug_log, "PVNV%s\n", tmpbuf);
4074 PerlIO_printf(Perl_debug_log, "PVBM%s\n", tmpbuf);
4077 PerlIO_printf(Perl_debug_log, "PVMG%s\n", tmpbuf);
4080 PerlIO_printf(Perl_debug_log, "PVLV%s\n", tmpbuf);
4083 PerlIO_printf(Perl_debug_log, "PVAV%s\n", tmpbuf);
4086 PerlIO_printf(Perl_debug_log, "PVHV%s\n", tmpbuf);
4089 PerlIO_printf(Perl_debug_log, "PVCV%s\n", tmpbuf);
4092 PerlIO_printf(Perl_debug_log, "PVGV%s\n", tmpbuf);
4095 PerlIO_printf(Perl_debug_log, "PVFM%s\n", tmpbuf);
4098 PerlIO_printf(Perl_debug_log, "PVIO%s\n", tmpbuf);
4101 PerlIO_printf(Perl_debug_log, "UNKNOWN%s\n", tmpbuf);
4104 if (type >= SVt_PVIV || type == SVt_IV)
4105 PerlIO_printf(Perl_debug_log, " IV = %ld\n", (long)SvIVX(sv));
4106 if (type >= SVt_PVNV || type == SVt_NV) {
4107 SET_NUMERIC_STANDARD();
4108 PerlIO_printf(Perl_debug_log, " NV = %.*g\n", DBL_DIG, SvNVX(sv));
4111 PerlIO_printf(Perl_debug_log, " RV = 0x%lx\n", (long)SvRV(sv));
4117 if (type <= SVt_PVLV) {
4119 PerlIO_printf(Perl_debug_log, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n",
4120 (long)SvPVX(sv), SvPVX(sv), (long)SvCUR(sv), (long)SvLEN(sv));
4122 PerlIO_printf(Perl_debug_log, " PV = 0\n");
4124 if (type >= SVt_PVMG) {
4126 PerlIO_printf(Perl_debug_log, " MAGIC = 0x%lx\n", (long)SvMAGIC(sv));
4129 PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(SvSTASH(sv)));
4133 PerlIO_printf(Perl_debug_log, " TYPE = %c\n", LvTYPE(sv));
4134 PerlIO_printf(Perl_debug_log, " TARGOFF = %ld\n", (long)LvTARGOFF(sv));
4135 PerlIO_printf(Perl_debug_log, " TARGLEN = %ld\n", (long)LvTARGLEN(sv));
4136 PerlIO_printf(Perl_debug_log, " TARG = 0x%lx\n", (long)LvTARG(sv));
4137 sv_dump(LvTARG(sv));
4140 PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n", (long)AvARRAY(sv));
4141 PerlIO_printf(Perl_debug_log, " ALLOC = 0x%lx\n", (long)AvALLOC(sv));
4142 PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)AvFILL(sv));
4143 PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)AvMAX(sv));
4144 PerlIO_printf(Perl_debug_log, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv));
4145 flags = AvFLAGS(sv);
4148 if (flags & AVf_REAL) strcat(d, "REAL,");
4149 if (flags & AVf_REIFY) strcat(d, "REIFY,");
4150 if (flags & AVf_REUSED) strcat(d, "REUSED,");
4152 d[strlen(d)-1] = '\0';
4153 PerlIO_printf(Perl_debug_log, " FLAGS = (%s)\n", d);
4156 PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n",(long)HvARRAY(sv));
4157 PerlIO_printf(Perl_debug_log, " KEYS = %ld\n", (long)HvKEYS(sv));
4158 PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)HvFILL(sv));
4159 PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)HvMAX(sv));
4160 PerlIO_printf(Perl_debug_log, " RITER = %ld\n", (long)HvRITER(sv));
4161 PerlIO_printf(Perl_debug_log, " EITER = 0x%lx\n",(long) HvEITER(sv));
4163 PerlIO_printf(Perl_debug_log, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv));
4165 PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", HvNAME(sv));
4170 PerlIO_printf(Perl_debug_log, " PROTOTYPE = \"%s\"\n", SvPV(sv,na));
4171 PerlIO_printf(Perl_debug_log, " STASH = 0x%lx\n", (long)CvSTASH(sv));
4172 PerlIO_printf(Perl_debug_log, " START = 0x%lx\n", (long)CvSTART(sv));
4173 PerlIO_printf(Perl_debug_log, " ROOT = 0x%lx\n", (long)CvROOT(sv));
4174 PerlIO_printf(Perl_debug_log, " XSUB = 0x%lx\n", (long)CvXSUB(sv));
4175 PerlIO_printf(Perl_debug_log, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32);
4176 PerlIO_printf(Perl_debug_log, " GV = 0x%lx", (long)CvGV(sv));
4177 if (CvGV(sv) && GvNAME(CvGV(sv))) {
4178 PerlIO_printf(Perl_debug_log, " \"%s\"\n", GvNAME(CvGV(sv)));
4180 PerlIO_printf(Perl_debug_log, "\n");
4182 PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)CvFILEGV(sv));
4183 PerlIO_printf(Perl_debug_log, " DEPTH = %ld\n", (long)CvDEPTH(sv));
4184 PerlIO_printf(Perl_debug_log, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv));
4185 PerlIO_printf(Perl_debug_log, " OUTSIDE = 0x%lx\n", (long)CvOUTSIDE(sv));
4186 if (type == SVt_PVFM)
4187 PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)FmLINES(sv));
4190 PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", GvNAME(sv));
4191 PerlIO_printf(Perl_debug_log, " NAMELEN = %ld\n", (long)GvNAMELEN(sv));
4192 PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(GvSTASH(sv)));
4193 PerlIO_printf(Perl_debug_log, " GP = 0x%lx\n", (long)GvGP(sv));
4194 PerlIO_printf(Perl_debug_log, " SV = 0x%lx\n", (long)GvSV(sv));
4195 PerlIO_printf(Perl_debug_log, " REFCNT = %ld\n", (long)GvREFCNT(sv));
4196 PerlIO_printf(Perl_debug_log, " IO = 0x%lx\n", (long)GvIOp(sv));
4197 PerlIO_printf(Perl_debug_log, " FORM = 0x%lx\n", (long)GvFORM(sv));
4198 PerlIO_printf(Perl_debug_log, " AV = 0x%lx\n", (long)GvAV(sv));
4199 PerlIO_printf(Perl_debug_log, " HV = 0x%lx\n", (long)GvHV(sv));
4200 PerlIO_printf(Perl_debug_log, " CV = 0x%lx\n", (long)GvCV(sv));
4201 PerlIO_printf(Perl_debug_log, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv));
4202 PerlIO_printf(Perl_debug_log, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv));
4203 PerlIO_printf(Perl_debug_log, " LINE = %ld\n", (long)GvLINE(sv));
4204 PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)GvFILEGV(sv));
4205 PerlIO_printf(Perl_debug_log, " EGV = 0x%lx\n", (long)GvEGV(sv));
4208 PerlIO_printf(Perl_debug_log, " IFP = 0x%lx\n", (long)IoIFP(sv));
4209 PerlIO_printf(Perl_debug_log, " OFP = 0x%lx\n", (long)IoOFP(sv));
4210 PerlIO_printf(Perl_debug_log, " DIRP = 0x%lx\n", (long)IoDIRP(sv));
4211 PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)IoLINES(sv));
4212 PerlIO_printf(Perl_debug_log, " PAGE = %ld\n", (long)IoPAGE(sv));
4213 PerlIO_printf(Perl_debug_log, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv));
4214 PerlIO_printf(Perl_debug_log, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv));
4215 PerlIO_printf(Perl_debug_log, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv));
4216 PerlIO_printf(Perl_debug_log, " TOP_GV = 0x%lx\n", (long)IoTOP_GV(sv));
4217 PerlIO_printf(Perl_debug_log, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv));
4218 PerlIO_printf(Perl_debug_log, " FMT_GV = 0x%lx\n", (long)IoFMT_GV(sv));
4219 PerlIO_printf(Perl_debug_log, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv));
4220 PerlIO_printf(Perl_debug_log, " BOTTOM_GV = 0x%lx\n", (long)IoBOTTOM_GV(sv));
4221 PerlIO_printf(Perl_debug_log, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv));
4222 PerlIO_printf(Perl_debug_log, " TYPE = %c\n", IoTYPE(sv));
4223 PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv));