1 /* $RCSfile: sv.c,v $$Revision: 4.1 $$Date: 92/08/07 18:26:45 $
3 * Copyright (c) 1991, 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.
9 * Revision 4.1 92/08/07 18:26:45 lwall
11 * Revision 4.0.1.6 92/06/11 21:14:21 lwall
12 * patch34: quotes containing subscripts containing variables didn't parse right
14 * Revision 4.0.1.5 92/06/08 15:40:43 lwall
15 * patch20: removed implicit int declarations on functions
16 * patch20: Perl now distinguishes overlapped copies from non-overlapped
17 * patch20: paragraph mode now skips extra newlines automatically
18 * patch20: fixed memory leak in doube-quote interpretation
19 * patch20: made /\$$foo/ look for literal '$foo'
20 * patch20: "$var{$foo'bar}" didn't scan subscript correctly
21 * patch20: a splice on non-existent array elements could dump core
22 * patch20: running taintperl explicitly now does checks even if $< == $>
24 * Revision 4.0.1.4 91/11/05 18:40:51 lwall
25 * patch11: $foo .= <BAR> could overrun malloced memory
26 * patch11: \$ didn't always make it through double-quoter to regexp routines
27 * patch11: prepared for ctype implementations that don't define isascii()
29 * Revision 4.0.1.3 91/06/10 01:27:54 lwall
30 * patch10: $) and $| incorrectly handled in run-time patterns
32 * Revision 4.0.1.2 91/06/07 11:58:13 lwall
33 * patch4: new copyright notice
34 * patch4: taint check on undefined string could cause core dump
36 * Revision 4.0.1.1 91/04/12 09:15:30 lwall
37 * patch1: fixed undefined environ problem
38 * patch1: substr($ENV{"PATH"},0,0) = "/foo:" didn't modify environment
39 * patch1: $foo .= <BAR> could cause core dump for certain lengths of $foo
41 * Revision 4.0 91/03/20 01:39:55 lwall
61 sv_root = (SV*)SvANY(sv);
83 sv_root = (SV*)safemalloc(1012);
86 svend = &sv[1008 / sizeof(SV) - 1];
88 SvANY(sv) = (SV*)(sv + 1);
89 SvFLAGS(sv) = SVTYPEMASK;
94 SvANY(sv) = sv_arenaroot;
95 sv_arenaroot = sv_root;
105 for (sv = sv_arenaroot; sv; sv = SvANY(sv)) {
106 svend = &sv[1008 / sizeof(SV)];
108 if (SvTYPE(sv) != SVTYPEMASK) {
109 fprintf(stderr, "****\n");
123 for (sv = sv_arenaroot; sv; sv = SvANY(sv)) {
124 svend = &sv[1008 / sizeof(SV)];
126 if (SvREFCNT(sv) == 1 && SvROK(sv)) {
127 DEBUG_D((fprintf(stderr, "Cleaning ref:\n "), sv_dump(sv));)
128 SvFLAGS(SvRV(sv)) |= SVf_BREAK;
129 SvFLAGS(sv) |= SVf_BREAK;
131 assert(sv_root == sv);
132 sv_root = (SV*)SvANY(sv); /* MUST NOT REUSE */
145 for (sv = sv_arenaroot; sv; sv = SvANY(sv)) {
146 svend = &sv[1008 / sizeof(SV)];
148 if (SvTYPE(sv) != SVTYPEMASK) {
149 DEBUG_D((fprintf(stderr, "Cleaning loops:\n "), sv_dump(sv));)
150 SvFLAGS(sv) |= SVf_BREAK;
158 static XPVIV* more_xiv();
167 * See comment in more_xiv() -- RAM.
169 xiv_root = (I32**)*xiv;
170 return (XPVIV*)((char*)xiv - sizeof(XPV));
179 I32** xiv = (I32**)((char*)(p) + sizeof(XPV));
180 *xiv = (I32 *)xiv_root;
188 register I32** xivend;
189 xiv = (I32**)safemalloc(1008);
190 xivend = &xiv[1008 / sizeof(I32 *) - 1];
191 xiv += (sizeof(XPV) - 1) / sizeof(I32 *) + 1; /* fudge by size of XPV */
193 while (xiv < xivend) {
194 *xiv = (I32 *)(xiv + 1);
201 static XPVNV* more_xnv();
209 xnv_root = *(double**)xnv;
210 return (XPVNV*)((char*)xnv - sizeof(XPVIV));
219 double* xnv = (double*)((char*)(p) + sizeof(XPVIV));
220 *(double**)xnv = xnv_root;
228 register double* xnv;
229 register double* xnvend;
230 xnv = (double*)safemalloc(1008);
231 xnvend = &xnv[1008 / sizeof(double) - 1];
232 xnv += (sizeof(XPVIV) - 1) / sizeof(double) + 1; /* fudge by sizeof XPVIV */
234 while (xnv < xnvend) {
235 *(double**)xnv = (double*)(xnv + 1);
242 static XRV* more_xrv();
250 xrv_root = (XRV*)xrv->xrv_rv;
260 p->xrv_rv = (SV*)xrv_root;
269 register XRV* xrvend;
270 xrv_root = (XRV*)safemalloc(1008);
272 xrvend = &xrv[1008 / sizeof(XRV) - 1];
273 while (xrv < xrvend) {
274 xrv->xrv_rv = (SV*)(xrv + 1);
281 static XPV* more_xpv();
289 xpv_root = (XPV*)xpv->xpv_pv;
299 p->xpv_pv = (char*)xpv_root;
308 register XPV* xpvend;
309 xpv_root = (XPV*)safemalloc(1008);
311 xpvend = &xpv[1008 / sizeof(XPV) - 1];
312 while (xpv < xpvend) {
313 xpv->xpv_pv = (char*)(xpv + 1);
322 #define new_SV() sv = (SV*)safemalloc(sizeof(SV))
323 #define del_SV(p) free((char*)p)
330 sv_root = (SV*)SvANY(sv); \
336 SvANY(p) = sv_root; \
343 #define new_XIV() (void*)safemalloc(sizeof(XPVIV))
344 #define del_XIV(p) free((char*)p)
346 #define new_XIV() (void*)new_xiv()
347 #define del_XIV(p) del_xiv(p)
351 #define new_XNV() (void*)safemalloc(sizeof(XPVNV))
352 #define del_XNV(p) free((char*)p)
354 #define new_XNV() (void*)new_xnv()
355 #define del_XNV(p) del_xnv(p)
359 #define new_XRV() (void*)safemalloc(sizeof(XRV))
360 #define del_XRV(p) free((char*)p)
362 #define new_XRV() (void*)new_xrv()
363 #define del_XRV(p) del_xrv(p)
367 #define new_XPV() (void*)safemalloc(sizeof(XPV))
368 #define del_XPV(p) free((char*)p)
370 #define new_XPV() (void*)new_xpv()
371 #define del_XPV(p) del_xpv(p)
374 #define new_XPVIV() (void*)safemalloc(sizeof(XPVIV))
375 #define del_XPVIV(p) free((char*)p)
377 #define new_XPVNV() (void*)safemalloc(sizeof(XPVNV))
378 #define del_XPVNV(p) free((char*)p)
380 #define new_XPVMG() (void*)safemalloc(sizeof(XPVMG))
381 #define del_XPVMG(p) free((char*)p)
383 #define new_XPVLV() (void*)safemalloc(sizeof(XPVLV))
384 #define del_XPVLV(p) free((char*)p)
386 #define new_XPVAV() (void*)safemalloc(sizeof(XPVAV))
387 #define del_XPVAV(p) free((char*)p)
389 #define new_XPVHV() (void*)safemalloc(sizeof(XPVHV))
390 #define del_XPVHV(p) free((char*)p)
392 #define new_XPVCV() (void*)safemalloc(sizeof(XPVCV))
393 #define del_XPVCV(p) free((char*)p)
395 #define new_XPVGV() (void*)safemalloc(sizeof(XPVGV))
396 #define del_XPVGV(p) free((char*)p)
398 #define new_XPVBM() (void*)safemalloc(sizeof(XPVBM))
399 #define del_XPVBM(p) free((char*)p)
401 #define new_XPVFM() (void*)safemalloc(sizeof(XPVFM))
402 #define del_XPVFM(p) free((char*)p)
404 #define new_XPVIO() (void*)safemalloc(sizeof(XPVIO))
405 #define del_XPVIO(p) free((char*)p)
420 if (SvTYPE(sv) == mt)
423 switch (SvTYPE(sv)) {
438 nv = (double)SvIVX(sv);
444 else if (mt < SVt_PVIV)
461 pv = (char*)SvRV(sv);
465 nv = (double)(unsigned long)pv;
490 del_XPVIV(SvANY(sv));
501 del_XPVNV(SvANY(sv));
511 del_XPVMG(SvANY(sv));
514 croak("Can't upgrade that kind of scalar");
519 croak("Can't upgrade to undef");
521 SvANY(sv) = new_XIV();
525 SvANY(sv) = new_XNV();
529 SvANY(sv) = new_XRV();
534 SvANY(sv) = new_XPV();
540 SvANY(sv) = new_XPVIV();
550 SvANY(sv) = new_XPVNV();
558 SvANY(sv) = new_XPVMG();
568 SvANY(sv) = new_XPVLV();
582 SvANY(sv) = new_XPVAV();
597 SvANY(sv) = new_XPVHV();
613 SvANY(sv) = new_XPVCV();
632 SvANY(sv) = new_XPVGV();
646 SvANY(sv) = new_XPVBM();
659 SvANY(sv) = new_XPVFM();
670 SvANY(sv) = new_XPVIO();
689 IoBOTTOM_NAME(sv)= 0;
696 SvFLAGS(sv) &= ~SVTYPEMASK;
713 else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') {
717 else if (SvREFCNT(sv) == 0 && !SvREADONLY(sv)) {
722 switch (SvTYPE(sv)) {
739 if (t - tokenbuf > 10) {
740 strcpy(tokenbuf + 3,"...");
768 sprintf(t, "CV(%s)", GvNAME(CvGV(sv)));
792 sprintf(t,"(%ld+\"%.127s\")",(long)SvIVX(sv),SvPVX(sv));
794 sprintf(t,"(\"%.127s\")",SvPVX(sv));
797 sprintf(t,"(%g)",SvNVX(sv));
799 sprintf(t,"(%ld)",(long)SvIVX(sv));
812 SvLEN(sv) += SvIVX(sv);
813 SvPVX(sv) -= SvIVX(sv);
815 Move(s, SvPVX(sv), SvCUR(sv)+1, char);
817 SvFLAGS(sv) &= ~SVf_OOK;
826 unsigned long newlen;
832 if (newlen >= 0x10000) {
833 fprintf(stderr, "Allocation too large: %lx\n", newlen);
837 if (SvTHINKFIRST(sv)) {
841 if (SvTYPE(sv) < SVt_PV) {
842 sv_upgrade(sv, SVt_PV);
845 else if (SvOOK(sv)) { /* pv is offset? */
848 if (newlen > SvLEN(sv))
849 newlen += 10 * (newlen - SvCUR(sv)); /* avoid copy each time */
853 if (newlen > SvLEN(sv)) { /* need more room? */
855 Renew(s,newlen,char);
857 New(703,s,newlen,char);
859 SvLEN_set(sv, newlen);
869 if (SvTHINKFIRST(sv)) {
870 if (SvREADONLY(sv) && curcop != &compiling)
875 switch (SvTYPE(sv)) {
877 sv_upgrade(sv, SVt_IV);
880 sv_upgrade(sv, SVt_PVNV);
884 sv_upgrade(sv, SVt_PVIV);
888 SvIOK_only(sv); /* validate number */
897 if (SvTHINKFIRST(sv)) {
898 if (SvREADONLY(sv) && curcop != &compiling)
903 if (SvTYPE(sv) < SVt_NV)
904 sv_upgrade(sv, SVt_NV);
905 else if (SvTYPE(sv) < SVt_PVNV)
906 sv_upgrade(sv, SVt_PVNV);
907 else if (SvPOK(sv)) {
911 SvNOK_only(sv); /* validate number */
921 if (SvGMAGICAL(sv)) {
926 return (I32)SvNVX(sv);
927 if (SvPOKp(sv) && SvLEN(sv))
928 return (I32)atol(SvPVX(sv));
931 if (SvTHINKFIRST(sv)) {
933 return (I32)SvRV(sv);
934 if (SvREADONLY(sv)) {
936 return (I32)SvNVX(sv);
937 if (SvPOK(sv) && SvLEN(sv))
938 return (I32)atol(SvPVX(sv));
944 switch (SvTYPE(sv)) {
946 sv_upgrade(sv, SVt_IV);
949 sv_upgrade(sv, SVt_PVIV);
952 sv_upgrade(sv, SVt_PVNV);
956 SvIVX(sv) = (I32)SvNVX(sv);
957 else if (SvPOK(sv) && SvLEN(sv)) {
958 if (dowarn && !looks_like_number(sv)) {
960 warn("Argument wasn't numeric for \"%s\"",op_name[op->op_type]);
962 warn("Argument wasn't numeric");
964 SvIVX(sv) = (I32)atol(SvPVX(sv));
969 SvUPGRADE(sv, SVt_IV);
973 DEBUG_c((stderr,"0x%lx 2iv(%ld)\n",sv,(long)SvIVX(sv)));
983 if (SvGMAGICAL(sv)) {
987 if (SvPOKp(sv) && SvLEN(sv))
988 return atof(SvPVX(sv));
990 return (double)SvIVX(sv);
993 if (SvTHINKFIRST(sv)) {
995 return (double)(unsigned long)SvRV(sv);
996 if (SvREADONLY(sv)) {
997 if (SvPOK(sv) && SvLEN(sv))
998 return atof(SvPVX(sv));
1000 return (double)SvIVX(sv);
1006 if (SvTYPE(sv) < SVt_NV) {
1007 if (SvTYPE(sv) == SVt_IV)
1008 sv_upgrade(sv, SVt_PVNV);
1010 sv_upgrade(sv, SVt_NV);
1011 DEBUG_c((stderr,"0x%lx num(%g)\n",sv,SvNVX(sv)));
1013 else if (SvTYPE(sv) < SVt_PVNV)
1014 sv_upgrade(sv, SVt_PVNV);
1016 (!SvPOK(sv) || !strchr(SvPVX(sv),'.') || !looks_like_number(sv)))
1018 SvNVX(sv) = (double)SvIVX(sv);
1020 else if (SvPOK(sv) && SvLEN(sv)) {
1021 if (dowarn && !SvIOK(sv) && !looks_like_number(sv)) {
1023 warn("Argument wasn't numeric for \"%s\"",op_name[op->op_type]);
1025 warn("Argument wasn't numeric");
1027 SvNVX(sv) = atof(SvPVX(sv));
1035 DEBUG_c((stderr,"0x%lx 2nv(%g)\n",sv,SvNVX(sv)));
1051 if (SvGMAGICAL(sv)) {
1058 (void)sprintf(tokenbuf,"%ld",SvIVX(sv));
1059 *lp = strlen(tokenbuf);
1063 (void)sprintf(tokenbuf,"%.20g",SvNVX(sv));
1064 *lp = strlen(tokenbuf);
1070 if (SvTHINKFIRST(sv)) {
1076 switch (SvTYPE(sv)) {
1085 case SVt_PVMG: s = "SCALAR"; break;
1086 case SVt_PVLV: s = "LVALUE"; break;
1087 case SVt_PVAV: s = "ARRAY"; break;
1088 case SVt_PVHV: s = "HASH"; break;
1089 case SVt_PVCV: s = "CODE"; break;
1090 case SVt_PVGV: s = "GLOB"; break;
1091 case SVt_PVFM: s = "FORMATLINE"; break;
1092 case SVt_PVIO: s = "FILEHANDLE"; break;
1093 default: s = "UNKNOWN"; break;
1096 sprintf(tokenbuf, "%s=%s(0x%lx)",
1097 HvNAME(SvSTASH(sv)), s, (unsigned long)sv);
1099 sprintf(tokenbuf, "%s(0x%lx)", s, (unsigned long)sv);
1105 if (SvREADONLY(sv)) {
1107 (void)sprintf(tokenbuf,"%ld",SvIVX(sv));
1108 *lp = strlen(tokenbuf);
1112 (void)sprintf(tokenbuf,"%.20g",SvNVX(sv));
1113 *lp = strlen(tokenbuf);
1122 if (!SvUPGRADE(sv, SVt_PV))
1125 if (SvTYPE(sv) < SVt_PVNV)
1126 sv_upgrade(sv, SVt_PVNV);
1129 olderrno = errno; /* some Xenix systems wipe out errno here */
1130 #if defined(scs) && defined(ns32000)
1131 gcvt(SvNVX(sv),20,s);
1134 if (SvNVX(sv) == 0.0)
1135 (void)strcpy(s,"0");
1138 (void)sprintf(s,"%.20g",SvNVX(sv));
1147 else if (SvIOK(sv)) {
1148 if (SvTYPE(sv) < SVt_PVIV)
1149 sv_upgrade(sv, SVt_PVIV);
1152 olderrno = errno; /* some Xenix systems wipe out errno here */
1153 (void)sprintf(s,"%ld",SvIVX(sv));
1164 *lp = s - SvPVX(sv);
1167 DEBUG_c((stderr,"0x%lx 2pv(%s)\n",sv,SvPVX(sv)));
1171 /* This function is only called on magical items */
1180 return SvRV(sv) != 0;
1183 if ((Xpv = (XPV*)SvANY(sv)) &&
1184 (*Xpv->xpv_pv > '0' ||
1186 (Xpv->xpv_cur && *Xpv->xpv_pv != '0')))
1193 return SvIVX(sv) != 0;
1196 return SvNVX(sv) != 0.0;
1203 /* Note: sv_setsv() should not be called with a source string that needs
1204 * to be reused, since it may destroy the source string if it is marked
1213 register U32 sflags;
1219 if (SvTHINKFIRST(dstr)) {
1220 if (SvREADONLY(dstr) && curcop != &compiling)
1227 stype = SvTYPE(sstr);
1228 dtype = SvTYPE(dstr);
1230 /* There's a lot of redundancy below but we're going for speed here */
1237 if (dtype <= SVt_PV) {
1239 sv_upgrade(dstr, SVt_IV);
1240 else if (dtype == SVt_PV)
1241 sv_upgrade(dstr, SVt_PVIV);
1242 else if (dtype == SVt_NV)
1243 sv_upgrade(dstr, SVt_PVNV);
1247 if (dtype <= SVt_PVIV) {
1249 sv_upgrade(dstr, SVt_NV);
1250 else if (dtype == SVt_PV)
1251 sv_upgrade(dstr, SVt_PVNV);
1252 else if (dtype == SVt_PVIV)
1253 sv_upgrade(dstr, SVt_PVNV);
1258 sv_upgrade(dstr, SVt_RV);
1262 sv_upgrade(dstr, SVt_PV);
1265 if (dtype < SVt_PVIV)
1266 sv_upgrade(dstr, SVt_PVIV);
1269 if (dtype < SVt_PVNV)
1270 sv_upgrade(dstr, SVt_PVNV);
1273 if (dtype <= SVt_PVGV) {
1274 if (dtype < SVt_PVGV)
1275 sv_upgrade(dstr, SVt_PVGV);
1282 GvIO(sstr) = newIO();
1285 GvGP(dstr) = gp_ref(GvGP(sstr));
1293 sv_upgrade(dstr, stype);
1294 if (SvGMAGICAL(sstr))
1298 sflags = SvFLAGS(sstr);
1300 if (sflags & SVf_ROK) {
1301 if (dtype >= SVt_PV) {
1302 if (dtype == SVt_PVGV) {
1303 SV *sref = SvREFCNT_inc(SvRV(sstr));
1305 GP *oldgp = GvGP(dstr);
1308 switch (SvTYPE(sref)) {
1310 dref = (SV*)GvAV(dstr);
1311 GvAV(dstr) = (AV*)sref;
1314 dref = (SV*)GvHV(dstr);
1315 GvHV(dstr) = (HV*)sref;
1318 dref = (SV*)GvCV(dstr);
1319 GvCV(dstr) = (CV*)sref;
1322 dref = (SV*)GvSV(dstr);
1332 Safefree(SvPVX(dstr));
1335 SvRV(dstr) = SvREFCNT_inc(SvRV(sstr));
1338 if (sflags & SVp_NOK) {
1340 SvNVX(dstr) = SvNVX(sstr);
1342 if (sflags & SVp_IOK) {
1344 SvIVX(dstr) = SvIVX(sstr);
1347 else if (sflags & SVp_POK) {
1350 * Check to see if we can just swipe the string. If so, it's a
1351 * possible small lose on short strings, but a big win on long ones.
1352 * It might even be a win on short strings if SvPVX(dstr)
1353 * has to be allocated and SvPVX(sstr) has to be freed.
1356 if (SvTEMP(sstr)) { /* slated for free anyway? */
1359 Safefree(SvPVX(dstr));
1361 SvPV_set(dstr, SvPVX(sstr));
1362 SvLEN_set(dstr, SvLEN(sstr));
1363 SvCUR_set(dstr, SvCUR(sstr));
1366 SvPV_set(sstr, Nullch);
1368 SvPOK_off(sstr); /* wipe out any weird flags */
1369 SvPVX(sstr) = 0; /* so sstr frees uneventfully */
1371 else { /* have to copy actual string */
1372 STRLEN len = SvCUR(sstr);
1374 SvGROW(dstr, len + 1); /* inlined from sv_setpvn */
1375 Move(SvPVX(sstr),SvPVX(dstr),len,char);
1376 SvCUR_set(dstr, len);
1377 *SvEND(dstr) = '\0';
1381 if (sflags & SVp_NOK) {
1383 SvNVX(dstr) = SvNVX(sstr);
1385 if (sflags & SVp_IOK) {
1387 SvIVX(dstr) = SvIVX(sstr);
1390 else if (sflags & SVp_NOK) {
1391 SvNVX(dstr) = SvNVX(sstr);
1395 SvIVX(dstr) = SvIVX(sstr);
1398 else if (sflags & SVp_IOK) {
1400 SvIVX(dstr) = SvIVX(sstr);
1409 sv_setpvn(sv,ptr,len)
1412 register STRLEN len;
1414 if (SvTHINKFIRST(sv)) {
1415 if (SvREADONLY(sv) && curcop != &compiling)
1424 if (!SvUPGRADE(sv, SVt_PV))
1426 SvGROW(sv, len + 1);
1428 Move(ptr,SvPVX(sv),len,char);
1431 SvPOK_only(sv); /* validate pointer */
1440 register STRLEN len;
1442 if (SvTHINKFIRST(sv)) {
1443 if (SvREADONLY(sv) && curcop != &compiling)
1453 if (!SvUPGRADE(sv, SVt_PV))
1455 SvGROW(sv, len + 1);
1456 Move(ptr,SvPVX(sv),len+1,char);
1458 SvPOK_only(sv); /* validate pointer */
1463 sv_usepvn(sv,ptr,len)
1466 register STRLEN len;
1468 if (SvTHINKFIRST(sv)) {
1469 if (SvREADONLY(sv) && curcop != &compiling)
1474 if (!SvUPGRADE(sv, SVt_PV))
1481 Safefree(SvPVX(sv));
1482 Renew(ptr, len+1, char);
1485 SvLEN_set(sv, len+1);
1487 SvPOK_only(sv); /* validate pointer */
1492 sv_chop(sv,ptr) /* like set but assuming ptr is in sv */
1496 register STRLEN delta;
1498 if (!ptr || !SvPOK(sv))
1500 if (SvTHINKFIRST(sv)) {
1501 if (SvREADONLY(sv) && curcop != &compiling)
1506 if (SvTYPE(sv) < SVt_PVIV)
1507 sv_upgrade(sv,SVt_PVIV);
1511 SvFLAGS(sv) |= SVf_OOK;
1513 SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVp_IOK|SVp_NOK);
1514 delta = ptr - SvPVX(sv);
1522 sv_catpvn(sv,ptr,len)
1525 register STRLEN len;
1529 if (SvTHINKFIRST(sv)) {
1530 if (SvREADONLY(sv) && curcop != &compiling)
1535 sv_setpvn(sv, s, tlen);
1539 SvGROW(sv, tlen + len + 1);
1540 Move(ptr,SvPVX(sv)+tlen,len,char);
1543 SvPOK_only(sv); /* validate pointer */
1556 if (s = SvPV(sstr, len))
1557 sv_catpvn(dstr,s,len);
1565 register STRLEN len;
1569 if (SvTHINKFIRST(sv)) {
1570 if (SvREADONLY(sv) && curcop != &compiling)
1579 SvGROW(sv, tlen + len + 1);
1580 Move(ptr,SvPVX(sv)+tlen,len+1,char);
1582 SvPOK_only(sv); /* validate pointer */
1602 sv_upgrade(sv, SVt_PV);
1603 SvGROW(sv, len + 1);
1610 sv_magic(sv, obj, how, name, namlen)
1617 sv_magic(register SV *sv, SV *obj, char how, char *name, I32 namlen)
1618 #endif /* STANDARD_C */
1622 if (SvTHINKFIRST(sv)) {
1623 if (SvREADONLY(sv) && curcop != &compiling && !strchr("gB", how))
1626 if (SvMAGICAL(sv)) {
1627 if (SvMAGIC(sv) && mg_find(sv, how))
1631 if (!SvUPGRADE(sv, SVt_PVMG))
1634 Newz(702,mg, 1, MAGIC);
1635 mg->mg_moremagic = SvMAGIC(sv);
1641 mg->mg_obj = SvREFCNT_inc(obj);
1642 mg->mg_flags |= MGf_REFCOUNTED;
1645 mg->mg_len = namlen;
1646 if (name && namlen >= 0)
1647 mg->mg_ptr = nsavestr(name, namlen);
1650 mg->mg_virtual = &vtbl_sv;
1653 mg->mg_virtual = &vtbl_bm;
1656 mg->mg_virtual = &vtbl_env;
1659 mg->mg_virtual = &vtbl_envelem;
1662 mg->mg_virtual = &vtbl_mglob;
1665 mg->mg_virtual = &vtbl_isa;
1668 mg->mg_virtual = &vtbl_isaelem;
1674 mg->mg_virtual = &vtbl_dbline;
1677 mg->mg_virtual = &vtbl_pack;
1680 mg->mg_virtual = &vtbl_packelem;
1683 mg->mg_virtual = &vtbl_sig;
1686 mg->mg_virtual = &vtbl_sigelem;
1689 mg->mg_virtual = &vtbl_taint;
1692 mg->mg_virtual = &vtbl_uvar;
1695 mg->mg_virtual = &vtbl_vec;
1698 mg->mg_virtual = &vtbl_substr;
1701 mg->mg_virtual = &vtbl_glob;
1704 mg->mg_virtual = &vtbl_arylen;
1707 croak("Don't know how to handle magic of type '%c'", how);
1711 SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK);
1716 sv_unmagic(sv, type)
1720 sv_unmagic(SV *sv, char type)
1721 #endif /* STANDARD_C */
1728 for (mg = *mgp; mg; mg = *mgp) {
1729 if (mg->mg_type == type) {
1730 MGVTBL* vtbl = mg->mg_virtual;
1731 *mgp = mg->mg_moremagic;
1732 if (vtbl && vtbl->svt_free)
1733 (*vtbl->svt_free)(sv, mg);
1734 if (mg->mg_ptr && mg->mg_type != 'g')
1735 Safefree(mg->mg_ptr);
1736 SvREFCNT_dec(mg->mg_obj);
1740 mgp = &mg->mg_moremagic;
1744 SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
1751 sv_insert(bigstr,offset,len,little,littlelen)
1760 register char *midend;
1761 register char *bigend;
1765 croak("Can't modify non-existent substring");
1766 if (SvTHINKFIRST(bigstr)) {
1767 if (SvREADONLY(bigstr) && curcop != &compiling)
1774 i = littlelen - len;
1775 if (i > 0) { /* string might grow */
1776 if (!SvUPGRADE(bigstr, SVt_PV))
1778 SvGROW(bigstr, SvCUR(bigstr) + i + 1);
1779 big = SvPVX(bigstr);
1780 mid = big + offset + len;
1781 midend = bigend = big + SvCUR(bigstr);
1784 while (midend > mid) /* shove everything down */
1785 *--bigend = *--midend;
1786 Move(little,big+offset,littlelen,char);
1792 Move(little,SvPVX(bigstr)+offset,len,char);
1797 big = SvPVX(bigstr);
1800 bigend = big + SvCUR(bigstr);
1802 if (midend > bigend)
1803 croak("panic: sv_insert");
1805 if (mid - big > bigend - midend) { /* faster to shorten from end */
1807 Move(little, mid, littlelen,char);
1810 i = bigend - midend;
1812 Move(midend, mid, i,char);
1816 SvCUR_set(bigstr, mid - big);
1819 else if (i = mid - big) { /* faster from front */
1820 midend -= littlelen;
1822 sv_chop(bigstr,midend-i);
1827 Move(little, mid, littlelen,char);
1829 else if (littlelen) {
1830 midend -= littlelen;
1831 sv_chop(bigstr,midend);
1832 Move(little,midend,littlelen,char);
1835 sv_chop(bigstr,midend);
1840 /* make sv point to what nstr did */
1847 U32 refcnt = SvREFCNT(sv);
1848 if (SvTHINKFIRST(sv)) {
1849 if (SvREADONLY(sv) && curcop != &compiling)
1854 if (SvREFCNT(nsv) != 1)
1855 warn("Reference miscount in sv_replace()");
1856 if (SvMAGICAL(sv)) {
1857 SvUPGRADE(nsv, SVt_PVMG);
1858 SvMAGIC(nsv) = SvMAGIC(sv);
1865 StructCopy(nsv,sv,SV);
1866 SvREFCNT(sv) = refcnt;
1875 assert(SvREFCNT(sv) == 0);
1879 BINOP myop; /* fake syntax tree node */
1882 SvOBJECT_off(sv); /* Curse the object. */
1888 curcop = &compiling;
1889 curstash = SvSTASH(sv);
1890 destructor = gv_fetchpv("DESTROY", FALSE, SVt_PVCV);
1892 if (destructor && GvCV(destructor)) {
1895 sv_upgrade(&ref, SVt_RV);
1896 SvRV(&ref) = SvREFCNT_inc(sv);
1901 myop.op_last = (OP*)&myop;
1902 myop.op_flags = OPf_STACKED;
1903 myop.op_next = Nullop;
1906 PUSHs((SV*)destructor);
1910 op = pp_entersubr();
1917 SvREFCNT_dec(SvSTASH(sv));
1920 switch (SvTYPE(sv)) {
1922 Safefree(IoTOP_NAME(sv));
1923 Safefree(IoFMT_NAME(sv));
1924 Safefree(IoBOTTOM_NAME(sv));
1932 Safefree(GvNAME(sv));
1957 SvREFCNT_dec(SvRV(sv));
1959 Safefree(SvPVX(sv));
1966 SvREFCNT_dec(SvRV(sv));
1972 switch (SvTYPE(sv)) {
1988 del_XPVIV(SvANY(sv));
1991 del_XPVNV(SvANY(sv));
1994 del_XPVMG(SvANY(sv));
1997 del_XPVLV(SvANY(sv));
2000 del_XPVAV(SvANY(sv));
2003 del_XPVHV(SvANY(sv));
2006 del_XPVCV(SvANY(sv));
2009 del_XPVGV(SvANY(sv));
2012 del_XPVBM(SvANY(sv));
2015 del_XPVFM(SvANY(sv));
2018 del_XPVIO(SvANY(sv));
2021 SvFLAGS(sv) |= SVTYPEMASK;
2039 if (SvTHINKFIRST(sv)) {
2040 if (SvREADONLY(sv)) {
2041 if (sv == &sv_undef || sv == &sv_yes || sv == &sv_no)
2045 if (SvREFCNT(sv) == 0 && !(SvFLAGS(sv) & SVf_BREAK)) {
2046 warn("Attempt to free unreferenced scalar");
2049 if (--SvREFCNT(sv) > 0)
2053 warn("Attempt to free temp prematurely");
2093 pv1 = SvPV(str1, cur1);
2098 pv2 = SvPV(str2, cur2);
2103 return !bcmp(pv1, pv2, cur1);
2122 pv1 = SvPV(str1, cur1);
2129 pv2 = SvPV(str2, cur2);
2132 return cur2 ? -1 : 0;
2138 if (retval = memcmp((void*)pv1, (void*)pv2, cur1))
2139 return retval < 0 ? -1 : 1;
2144 else if (retval = memcmp((void*)pv1, (void*)pv2, cur2))
2145 return retval < 0 ? -1 : 1;
2146 else if (cur1 == cur2)
2153 sv_gets(sv,fp,append)
2158 register char *bp; /* we're going to steal some values */
2159 register I32 cnt; /* from the stdio struct and put EVERYTHING */
2160 register STDCHAR *ptr; /* in the innermost loop into registers */
2161 register I32 newline = rschar;/* (assuming >= 6 registers) */
2166 if (SvTHINKFIRST(sv)) {
2167 if (SvREADONLY(sv) && curcop != &compiling)
2172 if (!SvUPGRADE(sv, SVt_PV))
2174 if (rspara) { /* have to do this both before and after */
2175 do { /* to make sure file boundaries work right */
2183 #ifdef USE_STD_STDIO /* Here is some breathtakingly efficient cheating */
2184 cnt = fp->_cnt; /* get count into register */
2185 SvPOK_only(sv); /* validate pointer */
2186 if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */
2187 if (cnt > 80 && SvLEN(sv) > append) {
2188 shortbuffered = cnt - SvLEN(sv) + append + 1;
2189 cnt -= shortbuffered;
2193 SvGROW(sv, append+cnt+2);/* (remembering cnt can be -1) */
2198 bp = SvPVX(sv) + append; /* move these two too to registers */
2203 while (--cnt >= 0) { /* this */ /* eat */
2204 if ((*bp++ = *ptr++) == newline) /* really */ /* dust */
2205 goto thats_all_folks; /* screams */ /* sed :-) */
2209 if (shortbuffered) { /* oh well, must extend */
2210 cnt = shortbuffered;
2212 bpx = bp - SvPVX(sv); /* prepare for possible relocation */
2214 SvGROW(sv, SvLEN(sv) + append + cnt + 2);
2215 bp = SvPVX(sv) + bpx; /* reconstitute our pointer */
2219 fp->_cnt = cnt; /* deregisterize cnt and ptr */
2221 i = _filbuf(fp); /* get more characters */
2223 ptr = fp->_ptr; /* reregisterize cnt and ptr */
2225 bpx = bp - SvPVX(sv); /* prepare for possible relocation */
2227 SvGROW(sv, bpx + cnt + 2);
2228 bp = SvPVX(sv) + bpx; /* reconstitute our pointer */
2230 if (i == newline) { /* all done for now? */
2232 goto thats_all_folks;
2234 else if (i == EOF) /* all done for ever? */
2235 goto thats_really_all_folks;
2236 *bp++ = i; /* now go back to screaming loop */
2240 if (rslen > 1 && (bp - SvPVX(sv) < rslen || bcmp(bp - rslen, rs, rslen)))
2241 goto screamer; /* go back to the fray */
2242 thats_really_all_folks:
2244 cnt += shortbuffered;
2245 fp->_cnt = cnt; /* put these back or we're in trouble */
2248 SvCUR_set(sv, bp - SvPVX(sv)); /* set length */
2250 #else /* !USE_STD_STDIO */ /* The big, slow, and stupid way */
2254 register char * bpe = buf + sizeof(buf) - 3;
2258 while ((i = getc(fp)) != EOF && (*bp++ = i) != newline && bp < bpe) ;
2261 sv_catpvn(sv, buf, bp - buf);
2263 sv_setpvn(sv, buf, bp - buf);
2264 if (i != EOF /* joy */
2272 bcmp(SvPVX(sv) + SvCUR(sv) - rslen, rs, rslen)
2283 #endif /* USE_STD_STDIO */
2294 return SvCUR(sv) - append ? SvPVX(sv) : Nullch;
2306 if (SvTHINKFIRST(sv)) {
2307 if (SvREADONLY(sv) && curcop != &compiling)
2314 flags = SvFLAGS(sv);
2315 if (flags & SVp_IOK) {
2320 if (flags & SVp_NOK) {
2325 if (!(flags & SVp_POK) || !*SvPVX(sv)) {
2326 if (!SvUPGRADE(sv, SVt_NV))
2333 while (isALPHA(*d)) d++;
2334 while (isDIGIT(*d)) d++;
2336 sv_setnv(sv,atof(SvPVX(sv)) + 1.0); /* punt */
2340 while (d >= SvPVX(sv)) {
2350 *(d--) -= 'z' - 'a' + 1;
2353 /* oh,oh, the number grew */
2354 SvGROW(sv, SvCUR(sv) + 2);
2356 for (d = SvPVX(sv) + SvCUR(sv); d > SvPVX(sv); d--)
2372 if (SvTHINKFIRST(sv)) {
2373 if (SvREADONLY(sv) && curcop != &compiling)
2380 flags = SvFLAGS(sv);
2381 if (flags & SVp_IOK) {
2386 if (flags & SVp_NOK) {
2391 if (!(flags & SVp_POK)) {
2392 if (!SvUPGRADE(sv, SVt_NV))
2398 sv_setnv(sv,atof(SvPVX(sv)) - 1.0);
2401 /* Make a string that will exist for the duration of the expression
2402 * evaluation. Actually, it may have to last longer than that, but
2403 * hopefully we won't free it until it has been assigned to a
2404 * permanent location. */
2410 Renew(tmps_stack, tmps_max, SV*);
2414 sv_mortalcopy(oldstr)
2423 sv_setsv(sv,oldstr);
2424 if (++tmps_ix >= tmps_max)
2426 tmps_stack[tmps_ix] = sv;
2439 SvFLAGS(sv) = SVs_TEMP;
2440 if (++tmps_ix >= tmps_max)
2442 tmps_stack[tmps_ix] = sv;
2446 /* same thing without the copying */
2454 if (SvTHINKFIRST(sv)) {
2455 if (SvREADONLY(sv) && curcop != &compiling)
2458 if (++tmps_ix >= tmps_max)
2460 tmps_stack[tmps_ix] = sv;
2478 sv_setpvn(sv,s,len);
2520 sv_upgrade(sv, SVt_RV);
2521 SvRV(sv) = SvREFCNT_inc(ref);
2527 /* make an exact duplicate of old */
2537 if (SvTYPE(old) == SVTYPEMASK) {
2538 warn("semi-panic: attempt to dup freed string");
2568 if (!*s) { /* reset ?? searches */
2569 for (pm = HvPMROOT(stash); pm; pm = pm->op_pmnext) {
2570 pm->op_pmflags &= ~PMf_USED;
2575 /* reset variables */
2577 if (!HvARRAY(stash))
2580 Zero(todo, 256, char);
2587 for ( ; i <= max; i++) {
2590 for (i = 0; i <= HvMAX(stash); i++) {
2591 for (entry = HvARRAY(stash)[i];
2593 entry = entry->hent_next) {
2594 if (!todo[(U8)*entry->hent_key])
2596 gv = (GV*)entry->hent_val;
2599 if (SvTYPE(sv) >= SVt_PV) {
2602 if (SvPVX(sv) != Nullch)
2611 environ[0] = Nullch;
2619 sv_2cv(sv, st, gvp, lref)
2629 return *gvp = Nullgv, Nullcv;
2630 switch (SvTYPE(sv)) {
2634 if (SvTYPE(cv) != SVt_PVCV)
2635 croak("Not a subroutine reference");
2658 gv = gv_fetchpv(SvPV(sv, na), lref, SVt_PVCV);
2664 if (lref && !GvCV(gv)) {
2666 gv_efullname(sv, gv);
2667 newSUB(savestack_ix,
2668 newSVOP(OP_CONST, 0, sv),
2686 if ((Xpv = (XPV*)SvANY(sv)) &&
2687 (*Xpv->xpv_pv > '0' ||
2689 (Xpv->xpv_cur && *Xpv->xpv_pv != '0')))
2696 return SvIVX(sv) != 0;
2699 return SvNVX(sv) != 0.0;
2701 return sv_2bool(sv);
2725 return (double)SvIVX(Sv);
2740 return sv_2pv(sv, lp);
2767 return strEQ(HvNAME(SvSTASH(sv)), name);
2771 sv_setptrobj(rv, ptr, name)
2786 sv_setnv(sv, (double)(unsigned long)ptr);
2787 sv_upgrade(rv, SVt_RV);
2788 SvRV(rv) = SvREFCNT_inc(sv);
2792 stash = fetch_stash(newSVpv(name,0), TRUE);
2794 SvUPGRADE(sv, SVt_PVMG);
2795 SvSTASH(sv) = (HV*)SvREFCNT_inc(stash);
2804 SvREFCNT_dec(SvRV(sv));
2807 if (!(SvFLAGS(sv) & (SVp_IOK|SVp_NOK))) {
2808 SvFLAGS(sv) &= ~SVf_OK;
2809 if (SvTYPE(sv) == SVt_RV) {
2811 SvFLAGS(sv) &= ~SVTYPEMASK; /* Make into type NULL. */
2828 fprintf(stderr, "SV = 0\n");
2832 flags = SvFLAGS(sv);
2835 sprintf(d, "(0x%lx)\n REFCNT = %ld\n FLAGS = (",
2836 (unsigned long)SvANY(sv), (long)SvREFCNT(sv));
2838 if (flags & SVs_PADBUSY) strcat(d, "PADBUSY,");
2839 if (flags & SVs_PADTMP) strcat(d, "PADTMP,");
2840 if (flags & SVs_PADMY) strcat(d, "PADMY,");
2841 if (flags & SVs_TEMP) strcat(d, "TEMP,");
2842 if (flags & SVs_OBJECT) strcat(d, "OBJECT,");
2843 if (flags & SVs_GMG) strcat(d, "GMG,");
2844 if (flags & SVs_SMG) strcat(d, "SMG,");
2845 if (flags & SVs_RMG) strcat(d, "RMG,");
2848 if (flags & SVf_IOK) strcat(d, "IOK,");
2849 if (flags & SVf_NOK) strcat(d, "NOK,");
2850 if (flags & SVf_POK) strcat(d, "POK,");
2851 if (flags & SVf_ROK) strcat(d, "ROK,");
2852 if (flags & SVf_OK) strcat(d, "OK,");
2853 if (flags & SVf_OOK) strcat(d, "OOK,");
2854 if (flags & SVf_READONLY) strcat(d, "READONLY,");
2857 if (flags & SVp_IOK) strcat(d, "pIOK,");
2858 if (flags & SVp_NOK) strcat(d, "pNOK,");
2859 if (flags & SVp_POK) strcat(d, "pPOK,");
2860 if (flags & SVp_SCREAM) strcat(d, "SCREAM,");
2867 fprintf(stderr, "SV = ");
2870 fprintf(stderr,"NULL%s\n", tmpbuf);
2873 fprintf(stderr,"IV%s\n", tmpbuf);
2876 fprintf(stderr,"NV%s\n", tmpbuf);
2879 fprintf(stderr,"RV%s\n", tmpbuf);
2882 fprintf(stderr,"PV%s\n", tmpbuf);
2885 fprintf(stderr,"PVIV%s\n", tmpbuf);
2888 fprintf(stderr,"PVNV%s\n", tmpbuf);
2891 fprintf(stderr,"PVBM%s\n", tmpbuf);
2894 fprintf(stderr,"PVMG%s\n", tmpbuf);
2897 fprintf(stderr,"PVLV%s\n", tmpbuf);
2900 fprintf(stderr,"PVAV%s\n", tmpbuf);
2903 fprintf(stderr,"PVHV%s\n", tmpbuf);
2906 fprintf(stderr,"PVCV%s\n", tmpbuf);
2909 fprintf(stderr,"PVGV%s\n", tmpbuf);
2912 fprintf(stderr,"PVFM%s\n", tmpbuf);
2915 fprintf(stderr,"PVIO%s\n", tmpbuf);
2918 fprintf(stderr,"UNKNOWN%s\n", tmpbuf);
2921 if (type >= SVt_PVIV || type == SVt_IV)
2922 fprintf(stderr, " IV = %ld\n", (long)SvIVX(sv));
2923 if (type >= SVt_PVNV || type == SVt_NV)
2924 fprintf(stderr, " NV = %.20g\n", SvNVX(sv));
2926 fprintf(stderr, " RV = 0x%lx\n", SvRV(sv));
2932 if (type <= SVt_PVLV) {
2934 fprintf(stderr, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n",
2935 SvPVX(sv), SvPVX(sv), (long)SvCUR(sv), (long)SvLEN(sv));
2937 fprintf(stderr, " PV = 0\n");
2939 if (type >= SVt_PVMG) {
2941 fprintf(stderr, " MAGIC = 0x%lx\n", SvMAGIC(sv));
2944 fprintf(stderr, " STASH = %s\n", HvNAME(SvSTASH(sv)));
2948 fprintf(stderr, " TYPE = %c\n", LvTYPE(sv));
2949 fprintf(stderr, " TARGOFF = %ld\n", (long)LvTARGOFF(sv));
2950 fprintf(stderr, " TARGLEN = %ld\n", (long)LvTARGLEN(sv));
2951 fprintf(stderr, " TARG = 0x%lx\n", LvTARG(sv));
2952 sv_dump(LvTARG(sv));
2955 fprintf(stderr, " ARRAY = 0x%lx\n", AvARRAY(sv));
2956 fprintf(stderr, " ALLOC = 0x%lx\n", AvALLOC(sv));
2957 fprintf(stderr, " FILL = %ld\n", (long)AvFILL(sv));
2958 fprintf(stderr, " MAX = %ld\n", (long)AvMAX(sv));
2959 fprintf(stderr, " ARYLEN = 0x%lx\n", AvARYLEN(sv));
2961 fprintf(stderr, " FLAGS = (REAL)\n");
2963 fprintf(stderr, " FLAGS = ()\n");
2966 fprintf(stderr, " ARRAY = 0x%lx\n", HvARRAY(sv));
2967 fprintf(stderr, " KEYS = %ld\n", (long)HvKEYS(sv));
2968 fprintf(stderr, " FILL = %ld\n", (long)HvFILL(sv));
2969 fprintf(stderr, " MAX = %ld\n", (long)HvMAX(sv));
2970 fprintf(stderr, " RITER = %ld\n", (long)HvRITER(sv));
2971 fprintf(stderr, " EITER = 0x%lx\n", HvEITER(sv));
2973 fprintf(stderr, " PMROOT = 0x%lx\n", HvPMROOT(sv));
2975 fprintf(stderr, " NAME = \"%s\"\n", HvNAME(sv));
2979 fprintf(stderr, " STASH = 0x%lx\n", CvSTASH(sv));
2980 fprintf(stderr, " START = 0x%lx\n", CvSTART(sv));
2981 fprintf(stderr, " ROOT = 0x%lx\n", CvROOT(sv));
2982 fprintf(stderr, " USERSUB = 0x%lx\n", CvUSERSUB(sv));
2983 fprintf(stderr, " USERINDEX = %ld\n", (long)CvUSERINDEX(sv));
2984 fprintf(stderr, " FILEGV = 0x%lx\n", CvFILEGV(sv));
2985 fprintf(stderr, " DEPTH = %ld\n", (long)CvDEPTH(sv));
2986 fprintf(stderr, " PADLIST = 0x%lx\n", CvPADLIST(sv));
2987 fprintf(stderr, " DELETED = %ld\n", (long)CvDELETED(sv));
2988 if (type == SVt_PVFM)
2989 fprintf(stderr, " LINES = %ld\n", (long)FmLINES(sv));
2992 fprintf(stderr, " NAME = %s\n", GvNAME(sv));
2993 fprintf(stderr, " NAMELEN = %ld\n", (long)GvNAMELEN(sv));
2994 fprintf(stderr, " STASH = 0x%lx\n", GvSTASH(sv));
2995 fprintf(stderr, " GP = 0x%lx\n", GvGP(sv));
2996 fprintf(stderr, " SV = 0x%lx\n", GvSV(sv));
2997 fprintf(stderr, " REFCNT = %ld\n", (long)GvREFCNT(sv));
2998 fprintf(stderr, " IO = 0x%lx\n", GvIO(sv));
2999 fprintf(stderr, " FORM = 0x%lx\n", GvFORM(sv));
3000 fprintf(stderr, " AV = 0x%lx\n", GvAV(sv));
3001 fprintf(stderr, " HV = 0x%lx\n", GvHV(sv));
3002 fprintf(stderr, " CV = 0x%lx\n", GvCV(sv));
3003 fprintf(stderr, " CVGEN = 0x%lx\n", GvCVGEN(sv));
3004 fprintf(stderr, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv));
3005 fprintf(stderr, " LINE = %ld\n", (long)GvLINE(sv));
3006 fprintf(stderr, " FLAGS = 0x%x\n", (int)GvFLAGS(sv));
3007 fprintf(stderr, " STASH = 0x%lx\n", GvSTASH(sv));
3008 fprintf(stderr, " EGV = 0x%lx\n", GvEGV(sv));
3011 fprintf(stderr, " IFP = 0x%lx\n", IoIFP(sv));
3012 fprintf(stderr, " OFP = 0x%lx\n", IoOFP(sv));
3013 fprintf(stderr, " DIRP = 0x%lx\n", IoDIRP(sv));
3014 fprintf(stderr, " LINES = %ld\n", (long)IoLINES(sv));
3015 fprintf(stderr, " PAGE = %ld\n", (long)IoPAGE(sv));
3016 fprintf(stderr, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv));
3017 fprintf(stderr, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv));
3018 fprintf(stderr, " TOP_NAME = %s\n", IoTOP_NAME(sv));
3019 fprintf(stderr, " TOP_GV = 0x%lx\n", IoTOP_GV(sv));
3020 fprintf(stderr, " FMT_NAME = %s\n", IoFMT_NAME(sv));
3021 fprintf(stderr, " FMT_GV = 0x%lx\n", IoFMT_GV(sv));
3022 fprintf(stderr, " BOTTOM_NAME = %s\n", IoBOTTOM_NAME(sv));
3023 fprintf(stderr, " BOTTOM_GV = 0x%lx\n", IoBOTTOM_GV(sv));
3024 fprintf(stderr, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv));
3025 fprintf(stderr, " TYPE = %c\n", IoTYPE(sv));
3026 fprintf(stderr, " FLAGS = 0x%lx\n", IoFLAGS(sv));