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[perl5.git] / mathoms.c
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1/* mathoms.c
2 *
1129b882 3 * Copyright (C) 2005, 2006, 2007, 2008 by Larry Wall and others
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4 *
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.
7 *
8 */
9
10/*
4ac71550
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11 * Anything that Hobbits had no immediate use for, but were unwilling to
12 * throw away, they called a mathom. Their dwellings were apt to become
13 * rather crowded with mathoms, and many of the presents that passed from
14 * hand to hand were of that sort.
15 *
16 * [p.5 of _The Lord of the Rings_: "Prologue"]
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17 */
18
359d40ba 19
20fac488 20
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21/*
22 * This file contains mathoms, various binary artifacts from previous
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23 * versions of Perl. For binary or source compatibility reasons, though,
24 * we cannot completely remove them from the core code.
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25 *
26 * SMP - Oct. 24, 2005
27 *
28 */
29
30#include "EXTERN.h"
31#define PERL_IN_MATHOMS_C
32#include "perl.h"
33
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34#ifdef NO_MATHOMS
35/* ..." warning: ISO C forbids an empty source file"
36 So make sure we have something in here by processing the headers anyway.
37 */
38#else
39
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40PERL_CALLCONV OP * Perl_ref(pTHX_ OP *o, I32 type);
41PERL_CALLCONV void Perl_sv_unref(pTHX_ SV *sv);
42PERL_CALLCONV void Perl_sv_taint(pTHX_ SV *sv);
43PERL_CALLCONV IV Perl_sv_2iv(pTHX_ register SV *sv);
44PERL_CALLCONV UV Perl_sv_2uv(pTHX_ register SV *sv);
39d5de13 45PERL_CALLCONV NV Perl_sv_2nv(pTHX_ register SV *sv);
a0c21aa1
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46PERL_CALLCONV char * Perl_sv_2pv(pTHX_ register SV *sv, STRLEN *lp);
47PERL_CALLCONV char * Perl_sv_2pv_nolen(pTHX_ register SV *sv);
48PERL_CALLCONV char * Perl_sv_2pvbyte_nolen(pTHX_ register SV *sv);
49PERL_CALLCONV char * Perl_sv_2pvutf8_nolen(pTHX_ register SV *sv);
50PERL_CALLCONV void Perl_sv_force_normal(pTHX_ register SV *sv);
51PERL_CALLCONV void Perl_sv_setsv(pTHX_ SV *dstr, register SV *sstr);
52PERL_CALLCONV void Perl_sv_catpvn(pTHX_ SV *dsv, const char* sstr, STRLEN slen);
53PERL_CALLCONV void Perl_sv_catpvn_mg(pTHX_ register SV *sv, register const char *ptr, register STRLEN len);
54PERL_CALLCONV void Perl_sv_catsv(pTHX_ SV *dstr, register SV *sstr);
55PERL_CALLCONV void Perl_sv_catsv_mg(pTHX_ SV *dsv, register SV *ssv);
56PERL_CALLCONV char * Perl_sv_pv(pTHX_ SV *sv);
57PERL_CALLCONV char * Perl_sv_pvn_force(pTHX_ SV *sv, STRLEN *lp);
58PERL_CALLCONV char * Perl_sv_pvbyte(pTHX_ SV *sv);
59PERL_CALLCONV char * Perl_sv_pvutf8(pTHX_ SV *sv);
60PERL_CALLCONV STRLEN Perl_sv_utf8_upgrade(pTHX_ register SV *sv);
61PERL_CALLCONV NV Perl_huge(void);
62PERL_CALLCONV void Perl_gv_fullname3(pTHX_ SV *sv, const GV *gv, const char *prefix);
63PERL_CALLCONV void Perl_gv_efullname3(pTHX_ SV *sv, const GV *gv, const char *prefix);
64PERL_CALLCONV GV * Perl_gv_fetchmethod(pTHX_ HV *stash, const char *name);
65PERL_CALLCONV HE * Perl_hv_iternext(pTHX_ HV *hv);
66PERL_CALLCONV void Perl_hv_magic(pTHX_ HV *hv, GV *gv, int how);
67PERL_CALLCONV bool Perl_do_open(pTHX_ GV *gv, register const char *name, I32 len, int as_raw, int rawmode, int rawperm, PerlIO *supplied_fp);
68PERL_CALLCONV bool Perl_do_aexec(pTHX_ SV *really, register SV **mark, register SV **sp);
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69PERL_CALLCONV U8 * Perl_uvuni_to_utf8(pTHX_ U8 *d, UV uv);
70PERL_CALLCONV bool Perl_is_utf8_string_loc(pTHX_ const U8 *s, STRLEN len, const U8 **ep);
71PERL_CALLCONV void Perl_sv_nolocking(pTHX_ SV *sv);
72PERL_CALLCONV void Perl_sv_usepvn_mg(pTHX_ SV *sv, char *ptr, STRLEN len);
73PERL_CALLCONV void Perl_sv_usepvn(pTHX_ SV *sv, char *ptr, STRLEN len);
74PERL_CALLCONV int Perl_fprintf_nocontext(PerlIO *stream, const char *format, ...);
75PERL_CALLCONV int Perl_printf_nocontext(const char *format, ...);
56d7a086 76PERL_CALLCONV int Perl_magic_setglob(pTHX_ SV* sv, MAGIC* mg);
ac572bf4 77PERL_CALLCONV AV * Perl_newAV(pTHX);
78ac7dd9 78PERL_CALLCONV HV * Perl_newHV(pTHX);
85dca89a 79PERL_CALLCONV IO * Perl_newIO(pTHX);
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80PERL_CALLCONV I32 Perl_my_stat(pTHX);
81PERL_CALLCONV I32 Perl_my_lstat(pTHX);
078504b2
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82PERL_CALLCONV I32 Perl_sv_eq(pTHX_ register SV *sv1, register SV *sv2);
83PERL_CALLCONV char * Perl_sv_collxfrm(pTHX_ SV *const sv, STRLEN *const nxp);
06c841cf 84PERL_CALLCONV bool Perl_sv_2bool(pTHX_ register SV *const sv);
7bff8c33 85PERL_CALLCONV CV * Perl_newSUB(pTHX_ I32 floor, OP* o, OP* proto, OP* block);
b5445a23 86
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87/* ref() is now a macro using Perl_doref;
88 * this version provided for binary compatibility only.
89 */
90OP *
91Perl_ref(pTHX_ OP *o, I32 type)
92{
93 return doref(o, type, TRUE);
94}
95
aae9cea0 96/*
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97=for apidoc sv_unref
98
99Unsets the RV status of the SV, and decrements the reference count of
100whatever was being referenced by the RV. This can almost be thought of
101as a reversal of C<newSVrv>. This is C<sv_unref_flags> with the C<flag>
102being zero. See C<SvROK_off>.
103
104=cut
105*/
106
107void
108Perl_sv_unref(pTHX_ SV *sv)
109{
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110 PERL_ARGS_ASSERT_SV_UNREF;
111
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112 sv_unref_flags(sv, 0);
113}
114
115/*
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116=for apidoc sv_taint
117
118Taint an SV. Use C<SvTAINTED_on> instead.
dff47061 119
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120=cut
121*/
122
123void
124Perl_sv_taint(pTHX_ SV *sv)
125{
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126 PERL_ARGS_ASSERT_SV_TAINT;
127
a0714e2c 128 sv_magic((sv), NULL, PERL_MAGIC_taint, NULL, 0);
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129}
130
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131/* sv_2iv() is now a macro using Perl_sv_2iv_flags();
132 * this function provided for binary compatibility only
133 */
134
135IV
136Perl_sv_2iv(pTHX_ register SV *sv)
137{
138 return sv_2iv_flags(sv, SV_GMAGIC);
139}
140
141/* sv_2uv() is now a macro using Perl_sv_2uv_flags();
142 * this function provided for binary compatibility only
143 */
144
145UV
146Perl_sv_2uv(pTHX_ register SV *sv)
147{
148 return sv_2uv_flags(sv, SV_GMAGIC);
149}
150
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151/* sv_2nv() is now a macro using Perl_sv_2nv_flags();
152 * this function provided for binary compatibility only
153 */
154
155NV
156Perl_sv_2nv(pTHX_ register SV *sv)
157{
158 return sv_2nv_flags(sv, SV_GMAGIC);
159}
160
161
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162/* sv_2pv() is now a macro using Perl_sv_2pv_flags();
163 * this function provided for binary compatibility only
164 */
165
166char *
167Perl_sv_2pv(pTHX_ register SV *sv, STRLEN *lp)
168{
169 return sv_2pv_flags(sv, lp, SV_GMAGIC);
170}
171
5abc721d 172/*
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173=for apidoc sv_2pv_nolen
174
175Like C<sv_2pv()>, but doesn't return the length too. You should usually
176use the macro wrapper C<SvPV_nolen(sv)> instead.
dff47061 177
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178=cut
179*/
180
181char *
182Perl_sv_2pv_nolen(pTHX_ register SV *sv)
183{
c85ae797 184 PERL_ARGS_ASSERT_SV_2PV_NOLEN;
b5445a23 185 return sv_2pv(sv, NULL);
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186}
187
188/*
189=for apidoc sv_2pvbyte_nolen
190
191Return a pointer to the byte-encoded representation of the SV.
192May cause the SV to be downgraded from UTF-8 as a side-effect.
193
194Usually accessed via the C<SvPVbyte_nolen> macro.
195
196=cut
197*/
198
199char *
200Perl_sv_2pvbyte_nolen(pTHX_ register SV *sv)
201{
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202 PERL_ARGS_ASSERT_SV_2PVBYTE_NOLEN;
203
b5445a23 204 return sv_2pvbyte(sv, NULL);
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205}
206
207/*
208=for apidoc sv_2pvutf8_nolen
209
210Return a pointer to the UTF-8-encoded representation of the SV.
211May cause the SV to be upgraded to UTF-8 as a side-effect.
212
213Usually accessed via the C<SvPVutf8_nolen> macro.
214
215=cut
216*/
217
218char *
219Perl_sv_2pvutf8_nolen(pTHX_ register SV *sv)
220{
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221 PERL_ARGS_ASSERT_SV_2PVUTF8_NOLEN;
222
b5445a23 223 return sv_2pvutf8(sv, NULL);
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224}
225
226/*
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227=for apidoc sv_force_normal
228
229Undo various types of fakery on an SV: if the PV is a shared string, make
230a private copy; if we're a ref, stop refing; if we're a glob, downgrade to
231an xpvmg. See also C<sv_force_normal_flags>.
232
233=cut
234*/
235
236void
237Perl_sv_force_normal(pTHX_ register SV *sv)
238{
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239 PERL_ARGS_ASSERT_SV_FORCE_NORMAL;
240
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241 sv_force_normal_flags(sv, 0);
242}
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243
244/* sv_setsv() is now a macro using Perl_sv_setsv_flags();
245 * this function provided for binary compatibility only
246 */
247
248void
249Perl_sv_setsv(pTHX_ SV *dstr, register SV *sstr)
250{
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251 PERL_ARGS_ASSERT_SV_SETSV;
252
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253 sv_setsv_flags(dstr, sstr, SV_GMAGIC);
254}
255
256/* sv_catpvn() is now a macro using Perl_sv_catpvn_flags();
257 * this function provided for binary compatibility only
258 */
259
260void
261Perl_sv_catpvn(pTHX_ SV *dsv, const char* sstr, STRLEN slen)
262{
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263 PERL_ARGS_ASSERT_SV_CATPVN;
264
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265 sv_catpvn_flags(dsv, sstr, slen, SV_GMAGIC);
266}
267
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268/*
269=for apidoc sv_catpvn_mg
270
271Like C<sv_catpvn>, but also handles 'set' magic.
272
273=cut
274*/
275
276void
277Perl_sv_catpvn_mg(pTHX_ register SV *sv, register const char *ptr, register STRLEN len)
278{
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279 PERL_ARGS_ASSERT_SV_CATPVN_MG;
280
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281 sv_catpvn_flags(sv,ptr,len,SV_GMAGIC|SV_SMAGIC);
282}
283
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284/* sv_catsv() is now a macro using Perl_sv_catsv_flags();
285 * this function provided for binary compatibility only
286 */
287
288void
289Perl_sv_catsv(pTHX_ SV *dstr, register SV *sstr)
290{
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291 PERL_ARGS_ASSERT_SV_CATSV;
292
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293 sv_catsv_flags(dstr, sstr, SV_GMAGIC);
294}
295
0feed65a 296/*
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297=for apidoc sv_catsv_mg
298
299Like C<sv_catsv>, but also handles 'set' magic.
300
301=cut
302*/
303
304void
305Perl_sv_catsv_mg(pTHX_ SV *dsv, register SV *ssv)
306{
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307 PERL_ARGS_ASSERT_SV_CATSV_MG;
308
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309 sv_catsv_flags(dsv,ssv,SV_GMAGIC|SV_SMAGIC);
310}
311
312/*
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313=for apidoc sv_iv
314
315A private implementation of the C<SvIVx> macro for compilers which can't
316cope with complex macro expressions. Always use the macro instead.
317
318=cut
319*/
320
321IV
322Perl_sv_iv(pTHX_ register SV *sv)
323{
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324 PERL_ARGS_ASSERT_SV_IV;
325
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326 if (SvIOK(sv)) {
327 if (SvIsUV(sv))
328 return (IV)SvUVX(sv);
329 return SvIVX(sv);
330 }
331 return sv_2iv(sv);
332}
333
334/*
335=for apidoc sv_uv
336
337A private implementation of the C<SvUVx> macro for compilers which can't
338cope with complex macro expressions. Always use the macro instead.
339
340=cut
341*/
342
343UV
344Perl_sv_uv(pTHX_ register SV *sv)
345{
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346 PERL_ARGS_ASSERT_SV_UV;
347
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348 if (SvIOK(sv)) {
349 if (SvIsUV(sv))
350 return SvUVX(sv);
351 return (UV)SvIVX(sv);
352 }
353 return sv_2uv(sv);
354}
355
356/*
357=for apidoc sv_nv
358
359A private implementation of the C<SvNVx> macro for compilers which can't
360cope with complex macro expressions. Always use the macro instead.
361
362=cut
363*/
364
365NV
366Perl_sv_nv(pTHX_ register SV *sv)
367{
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368 PERL_ARGS_ASSERT_SV_NV;
369
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370 if (SvNOK(sv))
371 return SvNVX(sv);
372 return sv_2nv(sv);
373}
374
375/*
376=for apidoc sv_pv
377
378Use the C<SvPV_nolen> macro instead
379
380=for apidoc sv_pvn
381
382A private implementation of the C<SvPV> macro for compilers which can't
383cope with complex macro expressions. Always use the macro instead.
384
385=cut
386*/
387
388char *
389Perl_sv_pvn(pTHX_ SV *sv, STRLEN *lp)
390{
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391 PERL_ARGS_ASSERT_SV_PVN;
392
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393 if (SvPOK(sv)) {
394 *lp = SvCUR(sv);
395 return SvPVX(sv);
396 }
397 return sv_2pv(sv, lp);
398}
399
400
401char *
402Perl_sv_pvn_nomg(pTHX_ register SV *sv, STRLEN *lp)
403{
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404 PERL_ARGS_ASSERT_SV_PVN_NOMG;
405
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406 if (SvPOK(sv)) {
407 *lp = SvCUR(sv);
408 return SvPVX(sv);
409 }
410 return sv_2pv_flags(sv, lp, 0);
411}
412
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413/* sv_pv() is now a macro using SvPV_nolen();
414 * this function provided for binary compatibility only
415 */
416
417char *
418Perl_sv_pv(pTHX_ SV *sv)
419{
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420 PERL_ARGS_ASSERT_SV_PV;
421
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422 if (SvPOK(sv))
423 return SvPVX(sv);
424
b5445a23 425 return sv_2pv(sv, NULL);
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426}
427
428/* sv_pvn_force() is now a macro using Perl_sv_pvn_force_flags();
429 * this function provided for binary compatibility only
430 */
431
432char *
433Perl_sv_pvn_force(pTHX_ SV *sv, STRLEN *lp)
434{
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435 PERL_ARGS_ASSERT_SV_PVN_FORCE;
436
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437 return sv_pvn_force_flags(sv, lp, SV_GMAGIC);
438}
439
440/* sv_pvbyte () is now a macro using Perl_sv_2pv_flags();
441 * this function provided for binary compatibility only
442 */
443
444char *
445Perl_sv_pvbyte(pTHX_ SV *sv)
446{
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447 PERL_ARGS_ASSERT_SV_PVBYTE;
448
b5445a23 449 sv_utf8_downgrade(sv, FALSE);
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450 return sv_pv(sv);
451}
452
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453/*
454=for apidoc sv_pvbyte
455
456Use C<SvPVbyte_nolen> instead.
457
458=for apidoc sv_pvbyten
459
460A private implementation of the C<SvPVbyte> macro for compilers
461which can't cope with complex macro expressions. Always use the macro
462instead.
463
464=cut
465*/
466
467char *
468Perl_sv_pvbyten(pTHX_ SV *sv, STRLEN *lp)
469{
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470 PERL_ARGS_ASSERT_SV_PVBYTEN;
471
b5445a23 472 sv_utf8_downgrade(sv, FALSE);
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473 return sv_pvn(sv,lp);
474}
475
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476/* sv_pvutf8 () is now a macro using Perl_sv_2pv_flags();
477 * this function provided for binary compatibility only
478 */
479
480char *
481Perl_sv_pvutf8(pTHX_ SV *sv)
482{
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483 PERL_ARGS_ASSERT_SV_PVUTF8;
484
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485 sv_utf8_upgrade(sv);
486 return sv_pv(sv);
487}
488
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489/*
490=for apidoc sv_pvutf8
491
492Use the C<SvPVutf8_nolen> macro instead
493
494=for apidoc sv_pvutf8n
495
496A private implementation of the C<SvPVutf8> macro for compilers
497which can't cope with complex macro expressions. Always use the macro
498instead.
499
500=cut
501*/
502
503char *
504Perl_sv_pvutf8n(pTHX_ SV *sv, STRLEN *lp)
505{
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506 PERL_ARGS_ASSERT_SV_PVUTF8N;
507
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508 sv_utf8_upgrade(sv);
509 return sv_pvn(sv,lp);
510}
511
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512/* sv_utf8_upgrade() is now a macro using sv_utf8_upgrade_flags();
513 * this function provided for binary compatibility only
514 */
515
516STRLEN
517Perl_sv_utf8_upgrade(pTHX_ register SV *sv)
518{
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519 PERL_ARGS_ASSERT_SV_UTF8_UPGRADE;
520
205c02c2
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521 return sv_utf8_upgrade_flags(sv, SV_GMAGIC);
522}
523
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524int
525Perl_fprintf_nocontext(PerlIO *stream, const char *format, ...)
526{
527 dTHXs;
528 va_list(arglist);
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529
530 /* Easier to special case this here than in embed.pl. (Look at what it
531 generates for proto.h) */
532#ifdef PERL_IMPLICIT_CONTEXT
533 PERL_ARGS_ASSERT_FPRINTF_NOCONTEXT;
534#endif
535
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536 va_start(arglist, format);
537 return PerlIO_vprintf(stream, format, arglist);
538}
539
540int
541Perl_printf_nocontext(const char *format, ...)
542{
543 dTHX;
544 va_list(arglist);
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545
546#ifdef PERL_IMPLICIT_CONTEXT
547 PERL_ARGS_ASSERT_PRINTF_NOCONTEXT;
548#endif
549
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550 va_start(arglist, format);
551 return PerlIO_vprintf(PerlIO_stdout(), format, arglist);
552}
553
554#if defined(HUGE_VAL) || (defined(USE_LONG_DOUBLE) && defined(HUGE_VALL))
555/*
556 * This hack is to force load of "huge" support from libm.a
557 * So it is in perl for (say) POSIX to use.
558 * Needed for SunOS with Sun's 'acc' for example.
559 */
560NV
561Perl_huge(void)
562{
c773ee7a 563# if defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
7ee2227d 564 return HUGE_VALL;
c773ee7a 565# else
7ee2227d 566 return HUGE_VAL;
c773ee7a 567# endif
7ee2227d
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568}
569#endif
570
f2f0f092
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571/* compatibility with versions <= 5.003. */
572void
573Perl_gv_fullname(pTHX_ SV *sv, const GV *gv)
574{
7918f24d
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575 PERL_ARGS_ASSERT_GV_FULLNAME;
576
666ea192 577 gv_fullname3(sv, gv, sv == (const SV*)gv ? "*" : "");
f2f0f092
NC
578}
579
580/* compatibility with versions <= 5.003. */
581void
582Perl_gv_efullname(pTHX_ SV *sv, const GV *gv)
583{
7918f24d
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584 PERL_ARGS_ASSERT_GV_EFULLNAME;
585
666ea192 586 gv_efullname3(sv, gv, sv == (const SV*)gv ? "*" : "");
f2f0f092
NC
587}
588
2674aeec
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589void
590Perl_gv_fullname3(pTHX_ SV *sv, const GV *gv, const char *prefix)
591{
7918f24d
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592 PERL_ARGS_ASSERT_GV_FULLNAME3;
593
2674aeec
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594 gv_fullname4(sv, gv, prefix, TRUE);
595}
596
597void
598Perl_gv_efullname3(pTHX_ SV *sv, const GV *gv, const char *prefix)
599{
7918f24d
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600 PERL_ARGS_ASSERT_GV_EFULLNAME3;
601
2674aeec
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602 gv_efullname4(sv, gv, prefix, TRUE);
603}
604
887986eb
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605/*
606=for apidoc gv_fetchmethod
607
ca8b95d7 608See L</gv_fetchmethod_autoload>.
887986eb
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609
610=cut
611*/
612
613GV *
614Perl_gv_fetchmethod(pTHX_ HV *stash, const char *name)
615{
7918f24d
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616 PERL_ARGS_ASSERT_GV_FETCHMETHOD;
617
887986eb
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618 return gv_fetchmethod_autoload(stash, name, TRUE);
619}
620
7a7b9979
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621HE *
622Perl_hv_iternext(pTHX_ HV *hv)
623{
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624 PERL_ARGS_ASSERT_HV_ITERNEXT;
625
7a7b9979
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626 return hv_iternext_flags(hv, 0);
627}
628
bc5cdc23
NC
629void
630Perl_hv_magic(pTHX_ HV *hv, GV *gv, int how)
631{
7918f24d
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632 PERL_ARGS_ASSERT_HV_MAGIC;
633
ad64d0ec 634 sv_magic(MUTABLE_SV(hv), MUTABLE_SV(gv), how, NULL, 0);
bc5cdc23
NC
635}
636
34d367cd 637bool
e4dba786
NC
638Perl_do_open(pTHX_ GV *gv, register const char *name, I32 len, int as_raw,
639 int rawmode, int rawperm, PerlIO *supplied_fp)
640{
7918f24d
NC
641 PERL_ARGS_ASSERT_DO_OPEN;
642
e4dba786
NC
643 return do_openn(gv, name, len, as_raw, rawmode, rawperm,
644 supplied_fp, (SV **) NULL, 0);
645}
646
647bool
34d367cd
SP
648Perl_do_open9(pTHX_ GV *gv, register const char *name, I32 len, int
649as_raw,
650 int rawmode, int rawperm, PerlIO *supplied_fp, SV *svs,
651 I32 num_svs)
652{
7918f24d
NC
653 PERL_ARGS_ASSERT_DO_OPEN9;
654
34d367cd
SP
655 PERL_UNUSED_ARG(num_svs);
656 return do_openn(gv, name, len, as_raw, rawmode, rawperm,
657 supplied_fp, &svs, 1);
658}
659
660int
661Perl_do_binmode(pTHX_ PerlIO *fp, int iotype, int mode)
662{
663 /* The old body of this is now in non-LAYER part of perlio.c
664 * This is a stub for any XS code which might have been calling it.
665 */
666 const char *name = ":raw";
7918f24d
NC
667
668 PERL_ARGS_ASSERT_DO_BINMODE;
669
34d367cd
SP
670#ifdef PERLIO_USING_CRLF
671 if (!(mode & O_BINARY))
672 name = ":crlf";
673#endif
674 return PerlIO_binmode(aTHX_ fp, iotype, mode, name);
675}
676
a9f96b3f
NC
677#ifndef OS2
678bool
679Perl_do_aexec(pTHX_ SV *really, register SV **mark, register SV **sp)
680{
7918f24d
NC
681 PERL_ARGS_ASSERT_DO_AEXEC;
682
a9f96b3f
NC
683 return do_aexec5(really, mark, sp, 0, 0);
684}
685#endif
686
89552e80
NC
687/* Backwards compatibility. */
688int
689Perl_init_i18nl14n(pTHX_ int printwarn)
690{
691 return init_i18nl10n(printwarn);
692}
693
038e8d3c
NC
694U8 *
695Perl_uvuni_to_utf8(pTHX_ U8 *d, UV uv)
696{
7918f24d
NC
697 PERL_ARGS_ASSERT_UVUNI_TO_UTF8;
698
038e8d3c
NC
699 return Perl_uvuni_to_utf8_flags(aTHX_ d, uv, 0);
700}
701
814fafa7
NC
702bool
703Perl_is_utf8_string_loc(pTHX_ const U8 *s, STRLEN len, const U8 **ep)
704{
7918f24d
NC
705 PERL_ARGS_ASSERT_IS_UTF8_STRING_LOC;
706
814fafa7
NC
707 return is_utf8_string_loclen(s, len, ep, 0);
708}
709
7ee2227d 710/*
d5b2b27b
NC
711=for apidoc sv_nolocking
712
713Dummy routine which "locks" an SV when there is no locking module present.
714Exists to avoid test for a NULL function pointer and because it could
715potentially warn under some level of strict-ness.
716
717"Superseded" by sv_nosharing().
718
719=cut
720*/
721
722void
723Perl_sv_nolocking(pTHX_ SV *sv)
724{
96a5add6 725 PERL_UNUSED_CONTEXT;
d5b2b27b
NC
726 PERL_UNUSED_ARG(sv);
727}
728
729
730/*
731=for apidoc sv_nounlocking
732
733Dummy routine which "unlocks" an SV when there is no locking module present.
734Exists to avoid test for a NULL function pointer and because it could
735potentially warn under some level of strict-ness.
736
737"Superseded" by sv_nosharing().
738
739=cut
740*/
741
742void
743Perl_sv_nounlocking(pTHX_ SV *sv)
744{
96a5add6 745 PERL_UNUSED_CONTEXT;
d5b2b27b
NC
746 PERL_UNUSED_ARG(sv);
747}
748
2053acbf
NC
749void
750Perl_save_long(pTHX_ long int *longp)
751{
752 dVAR;
7918f24d
NC
753
754 PERL_ARGS_ASSERT_SAVE_LONG;
755
2053acbf
NC
756 SSCHECK(3);
757 SSPUSHLONG(*longp);
758 SSPUSHPTR(longp);
c6bf6a65 759 SSPUSHUV(SAVEt_LONG);
2053acbf
NC
760}
761
762void
2053acbf
NC
763Perl_save_iv(pTHX_ IV *ivp)
764{
765 dVAR;
7918f24d
NC
766
767 PERL_ARGS_ASSERT_SAVE_IV;
768
2053acbf
NC
769 SSCHECK(3);
770 SSPUSHIV(*ivp);
771 SSPUSHPTR(ivp);
c6bf6a65 772 SSPUSHUV(SAVEt_IV);
2053acbf
NC
773}
774
775void
776Perl_save_nogv(pTHX_ GV *gv)
777{
778 dVAR;
7918f24d
NC
779
780 PERL_ARGS_ASSERT_SAVE_NOGV;
781
2053acbf
NC
782 SSCHECK(2);
783 SSPUSHPTR(gv);
c6bf6a65 784 SSPUSHUV(SAVEt_NSTAB);
2053acbf
NC
785}
786
787void
788Perl_save_list(pTHX_ register SV **sarg, I32 maxsarg)
789{
790 dVAR;
791 register I32 i;
792
7918f24d
NC
793 PERL_ARGS_ASSERT_SAVE_LIST;
794
2053acbf
NC
795 for (i = 1; i <= maxsarg; i++) {
796 register SV * const sv = newSV(0);
797 sv_setsv(sv,sarg[i]);
798 SSCHECK(3);
799 SSPUSHPTR(sarg[i]); /* remember the pointer */
800 SSPUSHPTR(sv); /* remember the value */
c6bf6a65 801 SSPUSHUV(SAVEt_ITEM);
2053acbf
NC
802 }
803}
804
47518d95
NC
805/*
806=for apidoc sv_usepvn_mg
807
808Like C<sv_usepvn>, but also handles 'set' magic.
809
810=cut
811*/
812
813void
814Perl_sv_usepvn_mg(pTHX_ SV *sv, char *ptr, STRLEN len)
815{
7918f24d
NC
816 PERL_ARGS_ASSERT_SV_USEPVN_MG;
817
47518d95
NC
818 sv_usepvn_flags(sv,ptr,len, SV_SMAGIC);
819}
820
821/*
822=for apidoc sv_usepvn
823
824Tells an SV to use C<ptr> to find its string value. Implemented by
825calling C<sv_usepvn_flags> with C<flags> of 0, hence does not handle 'set'
826magic. See C<sv_usepvn_flags>.
827
828=cut
829*/
830
831void
832Perl_sv_usepvn(pTHX_ SV *sv, char *ptr, STRLEN len)
833{
7918f24d
NC
834 PERL_ARGS_ASSERT_SV_USEPVN;
835
47518d95
NC
836 sv_usepvn_flags(sv,ptr,len, 0);
837}
838
c03e83bf
NC
839/*
840=for apidoc unpack_str
841
842The engine implementing unpack() Perl function. Note: parameters strbeg, new_s
843and ocnt are not used. This call should not be used, use unpackstring instead.
844
845=cut */
846
847I32
848Perl_unpack_str(pTHX_ const char *pat, const char *patend, const char *s,
849 const char *strbeg, const char *strend, char **new_s, I32 ocnt,
850 U32 flags)
851{
7918f24d
NC
852 PERL_ARGS_ASSERT_UNPACK_STR;
853
c03e83bf
NC
854 PERL_UNUSED_ARG(strbeg);
855 PERL_UNUSED_ARG(new_s);
856 PERL_UNUSED_ARG(ocnt);
857
858 return unpackstring(pat, patend, s, strend, flags);
859}
b47163a2
NC
860
861/*
862=for apidoc pack_cat
863
864The engine implementing pack() Perl function. Note: parameters next_in_list and
865flags are not used. This call should not be used; use packlist instead.
866
867=cut
868*/
869
870void
871Perl_pack_cat(pTHX_ SV *cat, const char *pat, const char *patend, register SV **beglist, SV **endlist, SV ***next_in_list, U32 flags)
872{
7918f24d
NC
873 PERL_ARGS_ASSERT_PACK_CAT;
874
b47163a2
NC
875 PERL_UNUSED_ARG(next_in_list);
876 PERL_UNUSED_ARG(flags);
877
878 packlist(cat, pat, patend, beglist, endlist);
879}
4c2df08c
NC
880
881HE *
882Perl_hv_store_ent(pTHX_ HV *hv, SV *keysv, SV *val, U32 hash)
883{
59af68cc 884 return (HE *)hv_common(hv, keysv, NULL, 0, 0, HV_FETCH_ISSTORE, val, hash);
4c2df08c
NC
885}
886
887bool
888Perl_hv_exists_ent(pTHX_ HV *hv, SV *keysv, U32 hash)
889{
7918f24d
NC
890 PERL_ARGS_ASSERT_HV_EXISTS_ENT;
891
4c2df08c
NC
892 return hv_common(hv, keysv, NULL, 0, 0, HV_FETCH_ISEXISTS, 0, hash)
893 ? TRUE : FALSE;
894}
895
896HE *
897Perl_hv_fetch_ent(pTHX_ HV *hv, SV *keysv, I32 lval, U32 hash)
898{
7918f24d
NC
899 PERL_ARGS_ASSERT_HV_FETCH_ENT;
900
59af68cc 901 return (HE *)hv_common(hv, keysv, NULL, 0, 0,
4c2df08c
NC
902 (lval ? HV_FETCH_LVALUE : 0), NULL, hash);
903}
904
905SV *
906Perl_hv_delete_ent(pTHX_ HV *hv, SV *keysv, I32 flags, U32 hash)
907{
7918f24d
NC
908 PERL_ARGS_ASSERT_HV_DELETE_ENT;
909
ad64d0ec
NC
910 return MUTABLE_SV(hv_common(hv, keysv, NULL, 0, 0, flags | HV_DELETE, NULL,
911 hash));
4c2df08c
NC
912}
913
a038e571
NC
914SV**
915Perl_hv_store_flags(pTHX_ HV *hv, const char *key, I32 klen, SV *val, U32 hash,
916 int flags)
917{
918 return (SV**) hv_common(hv, NULL, key, klen, flags,
919 (HV_FETCH_ISSTORE|HV_FETCH_JUST_SV), val, hash);
920}
921
922SV**
923Perl_hv_store(pTHX_ HV *hv, const char *key, I32 klen_i32, SV *val, U32 hash)
924{
925 STRLEN klen;
926 int flags;
927
928 if (klen_i32 < 0) {
929 klen = -klen_i32;
930 flags = HVhek_UTF8;
931 } else {
932 klen = klen_i32;
933 flags = 0;
934 }
935 return (SV **) hv_common(hv, NULL, key, klen, flags,
936 (HV_FETCH_ISSTORE|HV_FETCH_JUST_SV), val, hash);
937}
938
939bool
940Perl_hv_exists(pTHX_ HV *hv, const char *key, I32 klen_i32)
941{
942 STRLEN klen;
943 int flags;
944
7918f24d
NC
945 PERL_ARGS_ASSERT_HV_EXISTS;
946
a038e571
NC
947 if (klen_i32 < 0) {
948 klen = -klen_i32;
949 flags = HVhek_UTF8;
950 } else {
951 klen = klen_i32;
952 flags = 0;
953 }
954 return hv_common(hv, NULL, key, klen, flags, HV_FETCH_ISEXISTS, 0, 0)
955 ? TRUE : FALSE;
956}
957
958SV**
959Perl_hv_fetch(pTHX_ HV *hv, const char *key, I32 klen_i32, I32 lval)
960{
961 STRLEN klen;
962 int flags;
963
7918f24d
NC
964 PERL_ARGS_ASSERT_HV_FETCH;
965
a038e571
NC
966 if (klen_i32 < 0) {
967 klen = -klen_i32;
968 flags = HVhek_UTF8;
969 } else {
970 klen = klen_i32;
971 flags = 0;
972 }
973 return (SV **) hv_common(hv, NULL, key, klen, flags,
974 lval ? (HV_FETCH_JUST_SV | HV_FETCH_LVALUE)
975 : HV_FETCH_JUST_SV, NULL, 0);
976}
977
978SV *
979Perl_hv_delete(pTHX_ HV *hv, const char *key, I32 klen_i32, I32 flags)
980{
981 STRLEN klen;
982 int k_flags;
983
7918f24d
NC
984 PERL_ARGS_ASSERT_HV_DELETE;
985
a038e571
NC
986 if (klen_i32 < 0) {
987 klen = -klen_i32;
988 k_flags = HVhek_UTF8;
989 } else {
990 klen = klen_i32;
991 k_flags = 0;
992 }
ad64d0ec
NC
993 return MUTABLE_SV(hv_common(hv, NULL, key, klen, k_flags, flags | HV_DELETE,
994 NULL, 0));
a038e571
NC
995}
996
56d7a086 997/* Functions after here were made mathoms post 5.10.0 but pre 5.8.9 */
56d7a086 998
ac572bf4
NC
999AV *
1000Perl_newAV(pTHX)
1001{
502c6561 1002 return MUTABLE_AV(newSV_type(SVt_PVAV));
ac572bf4
NC
1003 /* sv_upgrade does AvREAL_only():
1004 AvALLOC(av) = 0;
1005 AvARRAY(av) = NULL;
1006 AvMAX(av) = AvFILLp(av) = -1; */
1007}
1008
78ac7dd9
NC
1009HV *
1010Perl_newHV(pTHX)
1011{
85fbaab2 1012 HV * const hv = MUTABLE_HV(newSV_type(SVt_PVHV));
78ac7dd9
NC
1013 assert(!SvOK(hv));
1014
1015 return hv;
1016}
1017
84335ee9
NC
1018void
1019Perl_sv_insert(pTHX_ SV *const bigstr, const STRLEN offset, const STRLEN len,
1020 const char *const little, const STRLEN littlelen)
1021{
1022 PERL_ARGS_ASSERT_SV_INSERT;
1023 sv_insert_flags(bigstr, offset, len, little, littlelen, SV_GMAGIC);
1024}
1025
2fd8beea
NC
1026void
1027Perl_save_freesv(pTHX_ SV *sv)
1028{
1029 dVAR;
1030 save_freesv(sv);
1031}
1032
1033void
1034Perl_save_mortalizesv(pTHX_ SV *sv)
1035{
1036 dVAR;
1037
1038 PERL_ARGS_ASSERT_SAVE_MORTALIZESV;
1039
1040 save_mortalizesv(sv);
1041}
1042
1043void
1044Perl_save_freeop(pTHX_ OP *o)
1045{
1046 dVAR;
1047 save_freeop(o);
1048}
1049
1050void
1051Perl_save_freepv(pTHX_ char *pv)
1052{
1053 dVAR;
1054 save_freepv(pv);
1055}
1056
1057void
1058Perl_save_op(pTHX)
1059{
1060 dVAR;
1061 save_op();
1062}
1063
d5713896
NC
1064#ifdef PERL_DONT_CREATE_GVSV
1065GV *
1066Perl_gv_SVadd(pTHX_ GV *gv)
1067{
d5713896
NC
1068 return gv_SVadd(gv);
1069}
1070#endif
1071
1072GV *
1073Perl_gv_AVadd(pTHX_ GV *gv)
1074{
d5713896
NC
1075 return gv_AVadd(gv);
1076}
1077
1078GV *
1079Perl_gv_HVadd(pTHX_ register GV *gv)
1080{
d5713896
NC
1081 return gv_HVadd(gv);
1082}
1083
bb85b28a
NC
1084GV *
1085Perl_gv_IOadd(pTHX_ register GV *gv)
1086{
1087 return gv_IOadd(gv);
1088}
1089
85dca89a
NC
1090IO *
1091Perl_newIO(pTHX)
1092{
1093 return MUTABLE_IO(newSV_type(SVt_PVIO));
1094}
1095
0d7d409d
DM
1096I32
1097Perl_my_stat(pTHX)
1098{
1099 return my_stat_flags(SV_GMAGIC);
1100}
1101
1102I32
1103Perl_my_lstat(pTHX)
1104{
1105 return my_lstat_flags(SV_GMAGIC);
1106}
1107
078504b2
FC
1108I32
1109Perl_sv_eq(pTHX_ register SV *sv1, register SV *sv2)
1110{
1111 return sv_eq_flags(sv1, sv2, SV_GMAGIC);
1112}
1113
6129b56c 1114#ifdef USE_LOCALE_COLLATE
078504b2
FC
1115char *
1116Perl_sv_collxfrm(pTHX_ SV *const sv, STRLEN *const nxp)
1117{
1118 return sv_collxfrm_flags(sv, nxp, SV_GMAGIC);
1119}
6129b56c 1120#endif
078504b2 1121
06c841cf
FC
1122bool
1123Perl_sv_2bool(pTHX_ register SV *const sv)
1124{
1125 return sv_2bool_flags(sv, SV_GMAGIC);
1126}
1127
1830b3d9 1128
9733086d
BM
1129/*
1130=for apidoc custom_op_name
1131Return the name for a given custom op. This was once used by the OP_NAME
1132macro, but is no longer: it has only been kept for compatibility, and
1133should not be used.
1134
1135=for apidoc custom_op_desc
1136Return the description of a given custom op. This was once used by the
1137OP_DESC macro, but is no longer: it has only been kept for
1138compatibility, and should not be used.
1139
1140=cut
1141*/
1142
1830b3d9
BM
1143const char*
1144Perl_custom_op_name(pTHX_ const OP* o)
1145{
1146 PERL_ARGS_ASSERT_CUSTOM_OP_NAME;
1147 return XopENTRY(Perl_custom_op_xop(aTHX_ o), xop_name);
1148}
1149
1150const char*
1151Perl_custom_op_desc(pTHX_ const OP* o)
1152{
1153 PERL_ARGS_ASSERT_CUSTOM_OP_DESC;
1154 return XopENTRY(Perl_custom_op_xop(aTHX_ o), xop_desc);
1155}
7bff8c33
NC
1156
1157CV *
1158Perl_newSUB(pTHX_ I32 floor, OP *o, OP *proto, OP *block)
1159{
1160 return Perl_newATTRSUB(aTHX_ floor, o, proto, NULL, block);
1161}
20fac488
GA
1162#endif /* NO_MATHOMS */
1163
d5b2b27b 1164/*
7ee2227d
SP
1165 * Local variables:
1166 * c-indentation-style: bsd
1167 * c-basic-offset: 4
1168 * indent-tabs-mode: t
1169 * End:
1170 *
1171 * ex: set ts=8 sts=4 sw=4 noet:
1172 */