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[perl5.git] / mathoms.c
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1/* mathoms.c
2 *
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3 * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010,
4 * 2011, 2012 by Larry Wall and others
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5 *
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8 *
9 */
10
11/*
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12 * Anything that Hobbits had no immediate use for, but were unwilling to
13 * throw away, they called a mathom. Their dwellings were apt to become
14 * rather crowded with mathoms, and many of the presents that passed from
15 * hand to hand were of that sort.
16 *
17 * [p.5 of _The Lord of the Rings_: "Prologue"]
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18 */
19
359d40ba 20
20fac488 21
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22/*
23 * This file contains mathoms, various binary artifacts from previous
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24 * versions of Perl. For binary or source compatibility reasons, though,
25 * we cannot completely remove them from the core code.
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26 *
27 * SMP - Oct. 24, 2005
28 *
29 */
30
31#include "EXTERN.h"
32#define PERL_IN_MATHOMS_C
33#include "perl.h"
34
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35#ifdef NO_MATHOMS
36/* ..." warning: ISO C forbids an empty source file"
37 So make sure we have something in here by processing the headers anyway.
38 */
39#else
40
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41/* Not all of these have prototypes elsewhere, so do this to get
42 * non-mangled names.
43 */
361ec98e 44START_EXTERN_C
d4478588 45
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46PERL_CALLCONV OP * Perl_ref(pTHX_ OP *o, I32 type);
47PERL_CALLCONV void Perl_sv_unref(pTHX_ SV *sv);
48PERL_CALLCONV void Perl_sv_taint(pTHX_ SV *sv);
49PERL_CALLCONV IV Perl_sv_2iv(pTHX_ register SV *sv);
50PERL_CALLCONV UV Perl_sv_2uv(pTHX_ register SV *sv);
39d5de13 51PERL_CALLCONV NV Perl_sv_2nv(pTHX_ register SV *sv);
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52PERL_CALLCONV char * Perl_sv_2pv(pTHX_ register SV *sv, STRLEN *lp);
53PERL_CALLCONV char * Perl_sv_2pv_nolen(pTHX_ register SV *sv);
54PERL_CALLCONV char * Perl_sv_2pvbyte_nolen(pTHX_ register SV *sv);
55PERL_CALLCONV char * Perl_sv_2pvutf8_nolen(pTHX_ register SV *sv);
56PERL_CALLCONV void Perl_sv_force_normal(pTHX_ register SV *sv);
57PERL_CALLCONV void Perl_sv_setsv(pTHX_ SV *dstr, register SV *sstr);
58PERL_CALLCONV void Perl_sv_catpvn(pTHX_ SV *dsv, const char* sstr, STRLEN slen);
59PERL_CALLCONV void Perl_sv_catpvn_mg(pTHX_ register SV *sv, register const char *ptr, register STRLEN len);
60PERL_CALLCONV void Perl_sv_catsv(pTHX_ SV *dstr, register SV *sstr);
61PERL_CALLCONV void Perl_sv_catsv_mg(pTHX_ SV *dsv, register SV *ssv);
62PERL_CALLCONV char * Perl_sv_pv(pTHX_ SV *sv);
63PERL_CALLCONV char * Perl_sv_pvn_force(pTHX_ SV *sv, STRLEN *lp);
64PERL_CALLCONV char * Perl_sv_pvbyte(pTHX_ SV *sv);
65PERL_CALLCONV char * Perl_sv_pvutf8(pTHX_ SV *sv);
66PERL_CALLCONV STRLEN Perl_sv_utf8_upgrade(pTHX_ register SV *sv);
67PERL_CALLCONV NV Perl_huge(void);
68PERL_CALLCONV void Perl_gv_fullname3(pTHX_ SV *sv, const GV *gv, const char *prefix);
69PERL_CALLCONV void Perl_gv_efullname3(pTHX_ SV *sv, const GV *gv, const char *prefix);
70PERL_CALLCONV GV * Perl_gv_fetchmethod(pTHX_ HV *stash, const char *name);
71PERL_CALLCONV HE * Perl_hv_iternext(pTHX_ HV *hv);
72PERL_CALLCONV void Perl_hv_magic(pTHX_ HV *hv, GV *gv, int how);
73PERL_CALLCONV bool Perl_do_open(pTHX_ GV *gv, register const char *name, I32 len, int as_raw, int rawmode, int rawperm, PerlIO *supplied_fp);
74PERL_CALLCONV bool Perl_do_aexec(pTHX_ SV *really, register SV **mark, register SV **sp);
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75PERL_CALLCONV U8 * Perl_uvuni_to_utf8(pTHX_ U8 *d, UV uv);
76PERL_CALLCONV bool Perl_is_utf8_string_loc(pTHX_ const U8 *s, STRLEN len, const U8 **ep);
77PERL_CALLCONV void Perl_sv_nolocking(pTHX_ SV *sv);
78PERL_CALLCONV void Perl_sv_usepvn_mg(pTHX_ SV *sv, char *ptr, STRLEN len);
79PERL_CALLCONV void Perl_sv_usepvn(pTHX_ SV *sv, char *ptr, STRLEN len);
80PERL_CALLCONV int Perl_fprintf_nocontext(PerlIO *stream, const char *format, ...);
81PERL_CALLCONV int Perl_printf_nocontext(const char *format, ...);
56d7a086 82PERL_CALLCONV int Perl_magic_setglob(pTHX_ SV* sv, MAGIC* mg);
ac572bf4 83PERL_CALLCONV AV * Perl_newAV(pTHX);
78ac7dd9 84PERL_CALLCONV HV * Perl_newHV(pTHX);
85dca89a 85PERL_CALLCONV IO * Perl_newIO(pTHX);
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86PERL_CALLCONV I32 Perl_my_stat(pTHX);
87PERL_CALLCONV I32 Perl_my_lstat(pTHX);
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88PERL_CALLCONV I32 Perl_sv_eq(pTHX_ register SV *sv1, register SV *sv2);
89PERL_CALLCONV char * Perl_sv_collxfrm(pTHX_ SV *const sv, STRLEN *const nxp);
06c841cf 90PERL_CALLCONV bool Perl_sv_2bool(pTHX_ register SV *const sv);
7bff8c33 91PERL_CALLCONV CV * Perl_newSUB(pTHX_ I32 floor, OP* o, OP* proto, OP* block);
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92PERL_CALLCONV UV Perl_to_utf8_lower(pTHX_ const U8 *p, U8* ustrp, STRLEN *lenp);
93PERL_CALLCONV UV Perl_to_utf8_title(pTHX_ const U8 *p, U8* ustrp, STRLEN *lenp);
94PERL_CALLCONV UV Perl_to_utf8_upper(pTHX_ const U8 *p, U8* ustrp, STRLEN *lenp);
95PERL_CALLCONV UV Perl_to_utf8_fold(pTHX_ const U8 *p, U8* ustrp, STRLEN *lenp);
108cb980 96PERL_CALLCONV SV *Perl_sv_mortalcopy(pTHX_ SV *const oldstr);
b5445a23 97
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98/* ref() is now a macro using Perl_doref;
99 * this version provided for binary compatibility only.
100 */
101OP *
102Perl_ref(pTHX_ OP *o, I32 type)
103{
104 return doref(o, type, TRUE);
105}
106
aae9cea0 107/*
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108=for apidoc sv_unref
109
110Unsets the RV status of the SV, and decrements the reference count of
111whatever was being referenced by the RV. This can almost be thought of
112as a reversal of C<newSVrv>. This is C<sv_unref_flags> with the C<flag>
113being zero. See C<SvROK_off>.
114
115=cut
116*/
117
118void
119Perl_sv_unref(pTHX_ SV *sv)
120{
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121 PERL_ARGS_ASSERT_SV_UNREF;
122
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123 sv_unref_flags(sv, 0);
124}
125
126/*
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127=for apidoc sv_taint
128
129Taint an SV. Use C<SvTAINTED_on> instead.
dff47061 130
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131=cut
132*/
133
134void
135Perl_sv_taint(pTHX_ SV *sv)
136{
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137 PERL_ARGS_ASSERT_SV_TAINT;
138
a0714e2c 139 sv_magic((sv), NULL, PERL_MAGIC_taint, NULL, 0);
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140}
141
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142/* sv_2iv() is now a macro using Perl_sv_2iv_flags();
143 * this function provided for binary compatibility only
144 */
145
146IV
147Perl_sv_2iv(pTHX_ register SV *sv)
148{
149 return sv_2iv_flags(sv, SV_GMAGIC);
150}
151
152/* sv_2uv() is now a macro using Perl_sv_2uv_flags();
153 * this function provided for binary compatibility only
154 */
155
156UV
157Perl_sv_2uv(pTHX_ register SV *sv)
158{
159 return sv_2uv_flags(sv, SV_GMAGIC);
160}
161
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162/* sv_2nv() is now a macro using Perl_sv_2nv_flags();
163 * this function provided for binary compatibility only
164 */
165
166NV
167Perl_sv_2nv(pTHX_ register SV *sv)
168{
169 return sv_2nv_flags(sv, SV_GMAGIC);
170}
171
172
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173/* sv_2pv() is now a macro using Perl_sv_2pv_flags();
174 * this function provided for binary compatibility only
175 */
176
177char *
178Perl_sv_2pv(pTHX_ register SV *sv, STRLEN *lp)
179{
180 return sv_2pv_flags(sv, lp, SV_GMAGIC);
181}
182
5abc721d 183/*
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184=for apidoc sv_2pv_nolen
185
186Like C<sv_2pv()>, but doesn't return the length too. You should usually
187use the macro wrapper C<SvPV_nolen(sv)> instead.
dff47061 188
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189=cut
190*/
191
192char *
193Perl_sv_2pv_nolen(pTHX_ register SV *sv)
194{
c85ae797 195 PERL_ARGS_ASSERT_SV_2PV_NOLEN;
b5445a23 196 return sv_2pv(sv, NULL);
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197}
198
199/*
200=for apidoc sv_2pvbyte_nolen
201
202Return a pointer to the byte-encoded representation of the SV.
203May cause the SV to be downgraded from UTF-8 as a side-effect.
204
205Usually accessed via the C<SvPVbyte_nolen> macro.
206
207=cut
208*/
209
210char *
211Perl_sv_2pvbyte_nolen(pTHX_ register SV *sv)
212{
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213 PERL_ARGS_ASSERT_SV_2PVBYTE_NOLEN;
214
b5445a23 215 return sv_2pvbyte(sv, NULL);
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216}
217
218/*
219=for apidoc sv_2pvutf8_nolen
220
221Return a pointer to the UTF-8-encoded representation of the SV.
222May cause the SV to be upgraded to UTF-8 as a side-effect.
223
224Usually accessed via the C<SvPVutf8_nolen> macro.
225
226=cut
227*/
228
229char *
230Perl_sv_2pvutf8_nolen(pTHX_ register SV *sv)
231{
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232 PERL_ARGS_ASSERT_SV_2PVUTF8_NOLEN;
233
b5445a23 234 return sv_2pvutf8(sv, NULL);
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235}
236
237/*
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238=for apidoc sv_force_normal
239
240Undo various types of fakery on an SV: if the PV is a shared string, make
241a private copy; if we're a ref, stop refing; if we're a glob, downgrade to
242an xpvmg. See also C<sv_force_normal_flags>.
243
244=cut
245*/
246
247void
248Perl_sv_force_normal(pTHX_ register SV *sv)
249{
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250 PERL_ARGS_ASSERT_SV_FORCE_NORMAL;
251
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252 sv_force_normal_flags(sv, 0);
253}
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254
255/* sv_setsv() is now a macro using Perl_sv_setsv_flags();
256 * this function provided for binary compatibility only
257 */
258
259void
260Perl_sv_setsv(pTHX_ SV *dstr, register SV *sstr)
261{
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262 PERL_ARGS_ASSERT_SV_SETSV;
263
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264 sv_setsv_flags(dstr, sstr, SV_GMAGIC);
265}
266
267/* sv_catpvn() is now a macro using Perl_sv_catpvn_flags();
268 * this function provided for binary compatibility only
269 */
270
271void
272Perl_sv_catpvn(pTHX_ SV *dsv, const char* sstr, STRLEN slen)
273{
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274 PERL_ARGS_ASSERT_SV_CATPVN;
275
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276 sv_catpvn_flags(dsv, sstr, slen, SV_GMAGIC);
277}
278
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279/*
280=for apidoc sv_catpvn_mg
281
282Like C<sv_catpvn>, but also handles 'set' magic.
283
284=cut
285*/
286
287void
288Perl_sv_catpvn_mg(pTHX_ register SV *sv, register const char *ptr, register STRLEN len)
289{
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290 PERL_ARGS_ASSERT_SV_CATPVN_MG;
291
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292 sv_catpvn_flags(sv,ptr,len,SV_GMAGIC|SV_SMAGIC);
293}
294
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295/* sv_catsv() is now a macro using Perl_sv_catsv_flags();
296 * this function provided for binary compatibility only
297 */
298
299void
300Perl_sv_catsv(pTHX_ SV *dstr, register SV *sstr)
301{
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302 PERL_ARGS_ASSERT_SV_CATSV;
303
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304 sv_catsv_flags(dstr, sstr, SV_GMAGIC);
305}
306
0feed65a 307/*
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308=for apidoc sv_catsv_mg
309
310Like C<sv_catsv>, but also handles 'set' magic.
311
312=cut
313*/
314
315void
316Perl_sv_catsv_mg(pTHX_ SV *dsv, register SV *ssv)
317{
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318 PERL_ARGS_ASSERT_SV_CATSV_MG;
319
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320 sv_catsv_flags(dsv,ssv,SV_GMAGIC|SV_SMAGIC);
321}
322
323/*
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324=for apidoc sv_iv
325
326A private implementation of the C<SvIVx> macro for compilers which can't
327cope with complex macro expressions. Always use the macro instead.
328
329=cut
330*/
331
332IV
333Perl_sv_iv(pTHX_ register SV *sv)
334{
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335 PERL_ARGS_ASSERT_SV_IV;
336
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337 if (SvIOK(sv)) {
338 if (SvIsUV(sv))
339 return (IV)SvUVX(sv);
340 return SvIVX(sv);
341 }
342 return sv_2iv(sv);
343}
344
345/*
346=for apidoc sv_uv
347
348A private implementation of the C<SvUVx> macro for compilers which can't
349cope with complex macro expressions. Always use the macro instead.
350
351=cut
352*/
353
354UV
355Perl_sv_uv(pTHX_ register SV *sv)
356{
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357 PERL_ARGS_ASSERT_SV_UV;
358
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359 if (SvIOK(sv)) {
360 if (SvIsUV(sv))
361 return SvUVX(sv);
362 return (UV)SvIVX(sv);
363 }
364 return sv_2uv(sv);
365}
366
367/*
368=for apidoc sv_nv
369
370A private implementation of the C<SvNVx> macro for compilers which can't
371cope with complex macro expressions. Always use the macro instead.
372
373=cut
374*/
375
376NV
377Perl_sv_nv(pTHX_ register SV *sv)
378{
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379 PERL_ARGS_ASSERT_SV_NV;
380
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381 if (SvNOK(sv))
382 return SvNVX(sv);
383 return sv_2nv(sv);
384}
385
386/*
387=for apidoc sv_pv
388
389Use the C<SvPV_nolen> macro instead
390
391=for apidoc sv_pvn
392
393A private implementation of the C<SvPV> macro for compilers which can't
394cope with complex macro expressions. Always use the macro instead.
395
396=cut
397*/
398
399char *
400Perl_sv_pvn(pTHX_ SV *sv, STRLEN *lp)
401{
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402 PERL_ARGS_ASSERT_SV_PVN;
403
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404 if (SvPOK(sv)) {
405 *lp = SvCUR(sv);
406 return SvPVX(sv);
407 }
408 return sv_2pv(sv, lp);
409}
410
411
412char *
413Perl_sv_pvn_nomg(pTHX_ register SV *sv, STRLEN *lp)
414{
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415 PERL_ARGS_ASSERT_SV_PVN_NOMG;
416
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417 if (SvPOK(sv)) {
418 *lp = SvCUR(sv);
419 return SvPVX(sv);
420 }
421 return sv_2pv_flags(sv, lp, 0);
422}
423
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424/* sv_pv() is now a macro using SvPV_nolen();
425 * this function provided for binary compatibility only
426 */
427
428char *
429Perl_sv_pv(pTHX_ SV *sv)
430{
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431 PERL_ARGS_ASSERT_SV_PV;
432
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433 if (SvPOK(sv))
434 return SvPVX(sv);
435
b5445a23 436 return sv_2pv(sv, NULL);
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437}
438
439/* sv_pvn_force() is now a macro using Perl_sv_pvn_force_flags();
440 * this function provided for binary compatibility only
441 */
442
443char *
444Perl_sv_pvn_force(pTHX_ SV *sv, STRLEN *lp)
445{
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446 PERL_ARGS_ASSERT_SV_PVN_FORCE;
447
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448 return sv_pvn_force_flags(sv, lp, SV_GMAGIC);
449}
450
451/* sv_pvbyte () is now a macro using Perl_sv_2pv_flags();
452 * this function provided for binary compatibility only
453 */
454
455char *
456Perl_sv_pvbyte(pTHX_ SV *sv)
457{
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458 PERL_ARGS_ASSERT_SV_PVBYTE;
459
b5445a23 460 sv_utf8_downgrade(sv, FALSE);
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461 return sv_pv(sv);
462}
463
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464/*
465=for apidoc sv_pvbyte
466
467Use C<SvPVbyte_nolen> instead.
468
469=for apidoc sv_pvbyten
470
471A private implementation of the C<SvPVbyte> macro for compilers
472which can't cope with complex macro expressions. Always use the macro
473instead.
474
475=cut
476*/
477
478char *
479Perl_sv_pvbyten(pTHX_ SV *sv, STRLEN *lp)
480{
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481 PERL_ARGS_ASSERT_SV_PVBYTEN;
482
b5445a23 483 sv_utf8_downgrade(sv, FALSE);
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484 return sv_pvn(sv,lp);
485}
486
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487/* sv_pvutf8 () is now a macro using Perl_sv_2pv_flags();
488 * this function provided for binary compatibility only
489 */
490
491char *
492Perl_sv_pvutf8(pTHX_ SV *sv)
493{
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494 PERL_ARGS_ASSERT_SV_PVUTF8;
495
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496 sv_utf8_upgrade(sv);
497 return sv_pv(sv);
498}
499
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500/*
501=for apidoc sv_pvutf8
502
503Use the C<SvPVutf8_nolen> macro instead
504
505=for apidoc sv_pvutf8n
506
507A private implementation of the C<SvPVutf8> macro for compilers
508which can't cope with complex macro expressions. Always use the macro
509instead.
510
511=cut
512*/
513
514char *
515Perl_sv_pvutf8n(pTHX_ SV *sv, STRLEN *lp)
516{
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517 PERL_ARGS_ASSERT_SV_PVUTF8N;
518
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519 sv_utf8_upgrade(sv);
520 return sv_pvn(sv,lp);
521}
522
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523/* sv_utf8_upgrade() is now a macro using sv_utf8_upgrade_flags();
524 * this function provided for binary compatibility only
525 */
526
527STRLEN
528Perl_sv_utf8_upgrade(pTHX_ register SV *sv)
529{
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530 PERL_ARGS_ASSERT_SV_UTF8_UPGRADE;
531
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532 return sv_utf8_upgrade_flags(sv, SV_GMAGIC);
533}
534
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535int
536Perl_fprintf_nocontext(PerlIO *stream, const char *format, ...)
537{
538 dTHXs;
539 va_list(arglist);
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540
541 /* Easier to special case this here than in embed.pl. (Look at what it
542 generates for proto.h) */
543#ifdef PERL_IMPLICIT_CONTEXT
544 PERL_ARGS_ASSERT_FPRINTF_NOCONTEXT;
545#endif
546
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547 va_start(arglist, format);
548 return PerlIO_vprintf(stream, format, arglist);
549}
550
551int
552Perl_printf_nocontext(const char *format, ...)
553{
554 dTHX;
555 va_list(arglist);
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556
557#ifdef PERL_IMPLICIT_CONTEXT
558 PERL_ARGS_ASSERT_PRINTF_NOCONTEXT;
559#endif
560
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561 va_start(arglist, format);
562 return PerlIO_vprintf(PerlIO_stdout(), format, arglist);
563}
564
565#if defined(HUGE_VAL) || (defined(USE_LONG_DOUBLE) && defined(HUGE_VALL))
566/*
567 * This hack is to force load of "huge" support from libm.a
568 * So it is in perl for (say) POSIX to use.
569 * Needed for SunOS with Sun's 'acc' for example.
570 */
571NV
572Perl_huge(void)
573{
c773ee7a 574# if defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
7ee2227d 575 return HUGE_VALL;
c773ee7a 576# else
7ee2227d 577 return HUGE_VAL;
c773ee7a 578# endif
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579}
580#endif
581
f2f0f092
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582/* compatibility with versions <= 5.003. */
583void
584Perl_gv_fullname(pTHX_ SV *sv, const GV *gv)
585{
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586 PERL_ARGS_ASSERT_GV_FULLNAME;
587
666ea192 588 gv_fullname3(sv, gv, sv == (const SV*)gv ? "*" : "");
f2f0f092
NC
589}
590
591/* compatibility with versions <= 5.003. */
592void
593Perl_gv_efullname(pTHX_ SV *sv, const GV *gv)
594{
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595 PERL_ARGS_ASSERT_GV_EFULLNAME;
596
666ea192 597 gv_efullname3(sv, gv, sv == (const SV*)gv ? "*" : "");
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598}
599
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600void
601Perl_gv_fullname3(pTHX_ SV *sv, const GV *gv, const char *prefix)
602{
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603 PERL_ARGS_ASSERT_GV_FULLNAME3;
604
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605 gv_fullname4(sv, gv, prefix, TRUE);
606}
607
608void
609Perl_gv_efullname3(pTHX_ SV *sv, const GV *gv, const char *prefix)
610{
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611 PERL_ARGS_ASSERT_GV_EFULLNAME3;
612
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613 gv_efullname4(sv, gv, prefix, TRUE);
614}
615
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616/*
617=for apidoc gv_fetchmethod
618
ca8b95d7 619See L</gv_fetchmethod_autoload>.
887986eb
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620
621=cut
622*/
623
624GV *
625Perl_gv_fetchmethod(pTHX_ HV *stash, const char *name)
626{
7918f24d
NC
627 PERL_ARGS_ASSERT_GV_FETCHMETHOD;
628
887986eb
NC
629 return gv_fetchmethod_autoload(stash, name, TRUE);
630}
631
7a7b9979
NC
632HE *
633Perl_hv_iternext(pTHX_ HV *hv)
634{
7918f24d
NC
635 PERL_ARGS_ASSERT_HV_ITERNEXT;
636
7a7b9979
NC
637 return hv_iternext_flags(hv, 0);
638}
639
bc5cdc23
NC
640void
641Perl_hv_magic(pTHX_ HV *hv, GV *gv, int how)
642{
7918f24d
NC
643 PERL_ARGS_ASSERT_HV_MAGIC;
644
ad64d0ec 645 sv_magic(MUTABLE_SV(hv), MUTABLE_SV(gv), how, NULL, 0);
bc5cdc23
NC
646}
647
34d367cd 648bool
e4dba786
NC
649Perl_do_open(pTHX_ GV *gv, register const char *name, I32 len, int as_raw,
650 int rawmode, int rawperm, PerlIO *supplied_fp)
651{
7918f24d
NC
652 PERL_ARGS_ASSERT_DO_OPEN;
653
e4dba786
NC
654 return do_openn(gv, name, len, as_raw, rawmode, rawperm,
655 supplied_fp, (SV **) NULL, 0);
656}
657
658bool
34d367cd
SP
659Perl_do_open9(pTHX_ GV *gv, register const char *name, I32 len, int
660as_raw,
661 int rawmode, int rawperm, PerlIO *supplied_fp, SV *svs,
662 I32 num_svs)
663{
7918f24d
NC
664 PERL_ARGS_ASSERT_DO_OPEN9;
665
34d367cd
SP
666 PERL_UNUSED_ARG(num_svs);
667 return do_openn(gv, name, len, as_raw, rawmode, rawperm,
668 supplied_fp, &svs, 1);
669}
670
671int
672Perl_do_binmode(pTHX_ PerlIO *fp, int iotype, int mode)
673{
674 /* The old body of this is now in non-LAYER part of perlio.c
675 * This is a stub for any XS code which might have been calling it.
676 */
677 const char *name = ":raw";
7918f24d
NC
678
679 PERL_ARGS_ASSERT_DO_BINMODE;
680
34d367cd
SP
681#ifdef PERLIO_USING_CRLF
682 if (!(mode & O_BINARY))
683 name = ":crlf";
684#endif
685 return PerlIO_binmode(aTHX_ fp, iotype, mode, name);
686}
687
a9f96b3f
NC
688#ifndef OS2
689bool
690Perl_do_aexec(pTHX_ SV *really, register SV **mark, register SV **sp)
691{
7918f24d
NC
692 PERL_ARGS_ASSERT_DO_AEXEC;
693
a9f96b3f
NC
694 return do_aexec5(really, mark, sp, 0, 0);
695}
696#endif
697
89552e80
NC
698/* Backwards compatibility. */
699int
700Perl_init_i18nl14n(pTHX_ int printwarn)
701{
702 return init_i18nl10n(printwarn);
703}
704
038e8d3c
NC
705U8 *
706Perl_uvuni_to_utf8(pTHX_ U8 *d, UV uv)
707{
7918f24d
NC
708 PERL_ARGS_ASSERT_UVUNI_TO_UTF8;
709
038e8d3c
NC
710 return Perl_uvuni_to_utf8_flags(aTHX_ d, uv, 0);
711}
712
814fafa7
NC
713bool
714Perl_is_utf8_string_loc(pTHX_ const U8 *s, STRLEN len, const U8 **ep)
715{
7918f24d
NC
716 PERL_ARGS_ASSERT_IS_UTF8_STRING_LOC;
717
814fafa7
NC
718 return is_utf8_string_loclen(s, len, ep, 0);
719}
720
7ee2227d 721/*
d5b2b27b
NC
722=for apidoc sv_nolocking
723
724Dummy routine which "locks" an SV when there is no locking module present.
725Exists to avoid test for a NULL function pointer and because it could
726potentially warn under some level of strict-ness.
727
728"Superseded" by sv_nosharing().
729
730=cut
731*/
732
733void
734Perl_sv_nolocking(pTHX_ SV *sv)
735{
96a5add6 736 PERL_UNUSED_CONTEXT;
d5b2b27b
NC
737 PERL_UNUSED_ARG(sv);
738}
739
740
741/*
742=for apidoc sv_nounlocking
743
744Dummy routine which "unlocks" an SV when there is no locking module present.
745Exists to avoid test for a NULL function pointer and because it could
746potentially warn under some level of strict-ness.
747
748"Superseded" by sv_nosharing().
749
750=cut
751*/
752
753void
754Perl_sv_nounlocking(pTHX_ SV *sv)
755{
96a5add6 756 PERL_UNUSED_CONTEXT;
d5b2b27b
NC
757 PERL_UNUSED_ARG(sv);
758}
759
2053acbf
NC
760void
761Perl_save_long(pTHX_ long int *longp)
762{
763 dVAR;
7918f24d
NC
764
765 PERL_ARGS_ASSERT_SAVE_LONG;
766
2053acbf
NC
767 SSCHECK(3);
768 SSPUSHLONG(*longp);
769 SSPUSHPTR(longp);
c6bf6a65 770 SSPUSHUV(SAVEt_LONG);
2053acbf
NC
771}
772
773void
2053acbf
NC
774Perl_save_iv(pTHX_ IV *ivp)
775{
776 dVAR;
7918f24d
NC
777
778 PERL_ARGS_ASSERT_SAVE_IV;
779
2053acbf
NC
780 SSCHECK(3);
781 SSPUSHIV(*ivp);
782 SSPUSHPTR(ivp);
c6bf6a65 783 SSPUSHUV(SAVEt_IV);
2053acbf
NC
784}
785
786void
787Perl_save_nogv(pTHX_ GV *gv)
788{
789 dVAR;
7918f24d
NC
790
791 PERL_ARGS_ASSERT_SAVE_NOGV;
792
2053acbf
NC
793 SSCHECK(2);
794 SSPUSHPTR(gv);
c6bf6a65 795 SSPUSHUV(SAVEt_NSTAB);
2053acbf
NC
796}
797
798void
799Perl_save_list(pTHX_ register SV **sarg, I32 maxsarg)
800{
801 dVAR;
eb578fdb 802 I32 i;
2053acbf 803
7918f24d
NC
804 PERL_ARGS_ASSERT_SAVE_LIST;
805
2053acbf 806 for (i = 1; i <= maxsarg; i++) {
eb578fdb 807 SV * const sv = newSV(0);
2053acbf
NC
808 sv_setsv(sv,sarg[i]);
809 SSCHECK(3);
810 SSPUSHPTR(sarg[i]); /* remember the pointer */
811 SSPUSHPTR(sv); /* remember the value */
c6bf6a65 812 SSPUSHUV(SAVEt_ITEM);
2053acbf
NC
813 }
814}
815
47518d95
NC
816/*
817=for apidoc sv_usepvn_mg
818
819Like C<sv_usepvn>, but also handles 'set' magic.
820
821=cut
822*/
823
824void
825Perl_sv_usepvn_mg(pTHX_ SV *sv, char *ptr, STRLEN len)
826{
7918f24d
NC
827 PERL_ARGS_ASSERT_SV_USEPVN_MG;
828
47518d95
NC
829 sv_usepvn_flags(sv,ptr,len, SV_SMAGIC);
830}
831
832/*
833=for apidoc sv_usepvn
834
835Tells an SV to use C<ptr> to find its string value. Implemented by
836calling C<sv_usepvn_flags> with C<flags> of 0, hence does not handle 'set'
837magic. See C<sv_usepvn_flags>.
838
839=cut
840*/
841
842void
843Perl_sv_usepvn(pTHX_ SV *sv, char *ptr, STRLEN len)
844{
7918f24d
NC
845 PERL_ARGS_ASSERT_SV_USEPVN;
846
47518d95
NC
847 sv_usepvn_flags(sv,ptr,len, 0);
848}
849
c03e83bf
NC
850/*
851=for apidoc unpack_str
852
853The engine implementing unpack() Perl function. Note: parameters strbeg, new_s
854and ocnt are not used. This call should not be used, use unpackstring instead.
855
856=cut */
857
858I32
859Perl_unpack_str(pTHX_ const char *pat, const char *patend, const char *s,
860 const char *strbeg, const char *strend, char **new_s, I32 ocnt,
861 U32 flags)
862{
7918f24d
NC
863 PERL_ARGS_ASSERT_UNPACK_STR;
864
c03e83bf
NC
865 PERL_UNUSED_ARG(strbeg);
866 PERL_UNUSED_ARG(new_s);
867 PERL_UNUSED_ARG(ocnt);
868
869 return unpackstring(pat, patend, s, strend, flags);
870}
b47163a2
NC
871
872/*
873=for apidoc pack_cat
874
875The engine implementing pack() Perl function. Note: parameters next_in_list and
876flags are not used. This call should not be used; use packlist instead.
877
878=cut
879*/
880
881void
882Perl_pack_cat(pTHX_ SV *cat, const char *pat, const char *patend, register SV **beglist, SV **endlist, SV ***next_in_list, U32 flags)
883{
7918f24d
NC
884 PERL_ARGS_ASSERT_PACK_CAT;
885
b47163a2
NC
886 PERL_UNUSED_ARG(next_in_list);
887 PERL_UNUSED_ARG(flags);
888
889 packlist(cat, pat, patend, beglist, endlist);
890}
4c2df08c
NC
891
892HE *
893Perl_hv_store_ent(pTHX_ HV *hv, SV *keysv, SV *val, U32 hash)
894{
59af68cc 895 return (HE *)hv_common(hv, keysv, NULL, 0, 0, HV_FETCH_ISSTORE, val, hash);
4c2df08c
NC
896}
897
898bool
899Perl_hv_exists_ent(pTHX_ HV *hv, SV *keysv, U32 hash)
900{
7918f24d
NC
901 PERL_ARGS_ASSERT_HV_EXISTS_ENT;
902
4c2df08c
NC
903 return hv_common(hv, keysv, NULL, 0, 0, HV_FETCH_ISEXISTS, 0, hash)
904 ? TRUE : FALSE;
905}
906
907HE *
908Perl_hv_fetch_ent(pTHX_ HV *hv, SV *keysv, I32 lval, U32 hash)
909{
7918f24d
NC
910 PERL_ARGS_ASSERT_HV_FETCH_ENT;
911
59af68cc 912 return (HE *)hv_common(hv, keysv, NULL, 0, 0,
4c2df08c
NC
913 (lval ? HV_FETCH_LVALUE : 0), NULL, hash);
914}
915
916SV *
917Perl_hv_delete_ent(pTHX_ HV *hv, SV *keysv, I32 flags, U32 hash)
918{
7918f24d
NC
919 PERL_ARGS_ASSERT_HV_DELETE_ENT;
920
ad64d0ec
NC
921 return MUTABLE_SV(hv_common(hv, keysv, NULL, 0, 0, flags | HV_DELETE, NULL,
922 hash));
4c2df08c
NC
923}
924
a038e571
NC
925SV**
926Perl_hv_store_flags(pTHX_ HV *hv, const char *key, I32 klen, SV *val, U32 hash,
927 int flags)
928{
929 return (SV**) hv_common(hv, NULL, key, klen, flags,
930 (HV_FETCH_ISSTORE|HV_FETCH_JUST_SV), val, hash);
931}
932
933SV**
934Perl_hv_store(pTHX_ HV *hv, const char *key, I32 klen_i32, SV *val, U32 hash)
935{
936 STRLEN klen;
937 int flags;
938
939 if (klen_i32 < 0) {
940 klen = -klen_i32;
941 flags = HVhek_UTF8;
942 } else {
943 klen = klen_i32;
944 flags = 0;
945 }
946 return (SV **) hv_common(hv, NULL, key, klen, flags,
947 (HV_FETCH_ISSTORE|HV_FETCH_JUST_SV), val, hash);
948}
949
950bool
951Perl_hv_exists(pTHX_ HV *hv, const char *key, I32 klen_i32)
952{
953 STRLEN klen;
954 int flags;
955
7918f24d
NC
956 PERL_ARGS_ASSERT_HV_EXISTS;
957
a038e571
NC
958 if (klen_i32 < 0) {
959 klen = -klen_i32;
960 flags = HVhek_UTF8;
961 } else {
962 klen = klen_i32;
963 flags = 0;
964 }
965 return hv_common(hv, NULL, key, klen, flags, HV_FETCH_ISEXISTS, 0, 0)
966 ? TRUE : FALSE;
967}
968
969SV**
970Perl_hv_fetch(pTHX_ HV *hv, const char *key, I32 klen_i32, I32 lval)
971{
972 STRLEN klen;
973 int flags;
974
7918f24d
NC
975 PERL_ARGS_ASSERT_HV_FETCH;
976
a038e571
NC
977 if (klen_i32 < 0) {
978 klen = -klen_i32;
979 flags = HVhek_UTF8;
980 } else {
981 klen = klen_i32;
982 flags = 0;
983 }
984 return (SV **) hv_common(hv, NULL, key, klen, flags,
985 lval ? (HV_FETCH_JUST_SV | HV_FETCH_LVALUE)
986 : HV_FETCH_JUST_SV, NULL, 0);
987}
988
989SV *
990Perl_hv_delete(pTHX_ HV *hv, const char *key, I32 klen_i32, I32 flags)
991{
992 STRLEN klen;
993 int k_flags;
994
7918f24d
NC
995 PERL_ARGS_ASSERT_HV_DELETE;
996
a038e571
NC
997 if (klen_i32 < 0) {
998 klen = -klen_i32;
999 k_flags = HVhek_UTF8;
1000 } else {
1001 klen = klen_i32;
1002 k_flags = 0;
1003 }
ad64d0ec
NC
1004 return MUTABLE_SV(hv_common(hv, NULL, key, klen, k_flags, flags | HV_DELETE,
1005 NULL, 0));
a038e571
NC
1006}
1007
56d7a086 1008/* Functions after here were made mathoms post 5.10.0 but pre 5.8.9 */
56d7a086 1009
ac572bf4
NC
1010AV *
1011Perl_newAV(pTHX)
1012{
502c6561 1013 return MUTABLE_AV(newSV_type(SVt_PVAV));
ac572bf4
NC
1014 /* sv_upgrade does AvREAL_only():
1015 AvALLOC(av) = 0;
1016 AvARRAY(av) = NULL;
1017 AvMAX(av) = AvFILLp(av) = -1; */
1018}
1019
78ac7dd9
NC
1020HV *
1021Perl_newHV(pTHX)
1022{
85fbaab2 1023 HV * const hv = MUTABLE_HV(newSV_type(SVt_PVHV));
78ac7dd9
NC
1024 assert(!SvOK(hv));
1025
1026 return hv;
1027}
1028
84335ee9
NC
1029void
1030Perl_sv_insert(pTHX_ SV *const bigstr, const STRLEN offset, const STRLEN len,
1031 const char *const little, const STRLEN littlelen)
1032{
1033 PERL_ARGS_ASSERT_SV_INSERT;
1034 sv_insert_flags(bigstr, offset, len, little, littlelen, SV_GMAGIC);
1035}
1036
2fd8beea
NC
1037void
1038Perl_save_freesv(pTHX_ SV *sv)
1039{
1040 dVAR;
1041 save_freesv(sv);
1042}
1043
1044void
1045Perl_save_mortalizesv(pTHX_ SV *sv)
1046{
1047 dVAR;
1048
1049 PERL_ARGS_ASSERT_SAVE_MORTALIZESV;
1050
1051 save_mortalizesv(sv);
1052}
1053
1054void
1055Perl_save_freeop(pTHX_ OP *o)
1056{
1057 dVAR;
1058 save_freeop(o);
1059}
1060
1061void
1062Perl_save_freepv(pTHX_ char *pv)
1063{
1064 dVAR;
1065 save_freepv(pv);
1066}
1067
1068void
1069Perl_save_op(pTHX)
1070{
1071 dVAR;
1072 save_op();
1073}
1074
d5713896
NC
1075#ifdef PERL_DONT_CREATE_GVSV
1076GV *
1077Perl_gv_SVadd(pTHX_ GV *gv)
1078{
d5713896
NC
1079 return gv_SVadd(gv);
1080}
1081#endif
1082
1083GV *
1084Perl_gv_AVadd(pTHX_ GV *gv)
1085{
d5713896
NC
1086 return gv_AVadd(gv);
1087}
1088
1089GV *
1090Perl_gv_HVadd(pTHX_ register GV *gv)
1091{
d5713896
NC
1092 return gv_HVadd(gv);
1093}
1094
bb85b28a
NC
1095GV *
1096Perl_gv_IOadd(pTHX_ register GV *gv)
1097{
1098 return gv_IOadd(gv);
1099}
1100
85dca89a
NC
1101IO *
1102Perl_newIO(pTHX)
1103{
1104 return MUTABLE_IO(newSV_type(SVt_PVIO));
1105}
1106
0d7d409d
DM
1107I32
1108Perl_my_stat(pTHX)
1109{
1110 return my_stat_flags(SV_GMAGIC);
1111}
1112
1113I32
1114Perl_my_lstat(pTHX)
1115{
1116 return my_lstat_flags(SV_GMAGIC);
1117}
1118
078504b2
FC
1119I32
1120Perl_sv_eq(pTHX_ register SV *sv1, register SV *sv2)
1121{
1122 return sv_eq_flags(sv1, sv2, SV_GMAGIC);
1123}
1124
6129b56c 1125#ifdef USE_LOCALE_COLLATE
078504b2
FC
1126char *
1127Perl_sv_collxfrm(pTHX_ SV *const sv, STRLEN *const nxp)
1128{
1129 return sv_collxfrm_flags(sv, nxp, SV_GMAGIC);
1130}
6129b56c 1131#endif
078504b2 1132
06c841cf
FC
1133bool
1134Perl_sv_2bool(pTHX_ register SV *const sv)
1135{
1136 return sv_2bool_flags(sv, SV_GMAGIC);
1137}
1138
1830b3d9 1139
9733086d
BM
1140/*
1141=for apidoc custom_op_name
1142Return the name for a given custom op. This was once used by the OP_NAME
1143macro, but is no longer: it has only been kept for compatibility, and
1144should not be used.
1145
1146=for apidoc custom_op_desc
1147Return the description of a given custom op. This was once used by the
1148OP_DESC macro, but is no longer: it has only been kept for
1149compatibility, and should not be used.
1150
1151=cut
1152*/
1153
1830b3d9
BM
1154const char*
1155Perl_custom_op_name(pTHX_ const OP* o)
1156{
1157 PERL_ARGS_ASSERT_CUSTOM_OP_NAME;
1158 return XopENTRY(Perl_custom_op_xop(aTHX_ o), xop_name);
1159}
1160
1161const char*
1162Perl_custom_op_desc(pTHX_ const OP* o)
1163{
1164 PERL_ARGS_ASSERT_CUSTOM_OP_DESC;
1165 return XopENTRY(Perl_custom_op_xop(aTHX_ o), xop_desc);
1166}
7bff8c33
NC
1167
1168CV *
1169Perl_newSUB(pTHX_ I32 floor, OP *o, OP *proto, OP *block)
1170{
1171 return Perl_newATTRSUB(aTHX_ floor, o, proto, NULL, block);
1172}
0c9b0438
KW
1173
1174UV
1175Perl_to_utf8_fold(pTHX_ const U8 *p, U8* ustrp, STRLEN *lenp)
1176{
1177 PERL_ARGS_ASSERT_TO_UTF8_FOLD;
1178
1179 return _to_utf8_fold_flags(p, ustrp, lenp, FOLD_FLAGS_FULL, NULL);
1180}
1181
1182UV
1183Perl_to_utf8_lower(pTHX_ const U8 *p, U8* ustrp, STRLEN *lenp)
1184{
1185 PERL_ARGS_ASSERT_TO_UTF8_LOWER;
1186
1187 return _to_utf8_lower_flags(p, ustrp, lenp, FALSE, NULL);
1188}
1189
1190UV
1191Perl_to_utf8_title(pTHX_ const U8 *p, U8* ustrp, STRLEN *lenp)
1192{
1193 PERL_ARGS_ASSERT_TO_UTF8_TITLE;
1194
1195 return _to_utf8_title_flags(p, ustrp, lenp, FALSE, NULL);
1196}
1197
1198UV
1199Perl_to_utf8_upper(pTHX_ const U8 *p, U8* ustrp, STRLEN *lenp)
1200{
1201 PERL_ARGS_ASSERT_TO_UTF8_UPPER;
1202
1203 return _to_utf8_upper_flags(p, ustrp, lenp, FALSE, NULL);
1204}
1205
108cb980
FC
1206SV *
1207Perl_sv_mortalcopy(pTHX_ SV *const oldstr)
1208{
33971c01 1209 return Perl_sv_mortalcopy_flags(aTHX_ oldstr, SV_GMAGIC);
108cb980
FC
1210}
1211
361ec98e 1212END_EXTERN_C
d4478588 1213
20fac488
GA
1214#endif /* NO_MATHOMS */
1215
d5b2b27b 1216/*
7ee2227d
SP
1217 * Local variables:
1218 * c-indentation-style: bsd
1219 * c-basic-offset: 4
14d04a33 1220 * indent-tabs-mode: nil
7ee2227d
SP
1221 * End:
1222 *
14d04a33 1223 * ex: set ts=8 sts=4 sw=4 et:
7ee2227d 1224 */