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7ee2227d SP |
1 | /* mathoms.c |
2 | * | |
3 | * Copyright (C) 2005, by Larry Wall and others | |
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 | /* | |
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 | ||
17 | /* | |
18 | * This file contains mathoms, various binary artifacts from previous | |
f2f0f092 NC |
19 | * versions of Perl. For binary or source compatibility reasons, though, |
20 | * we cannot completely remove them from the core code. | |
7ee2227d SP |
21 | * |
22 | * SMP - Oct. 24, 2005 | |
23 | * | |
24 | */ | |
25 | ||
26 | #include "EXTERN.h" | |
27 | #define PERL_IN_MATHOMS_C | |
28 | #include "perl.h" | |
29 | ||
30 | /* ref() is now a macro using Perl_doref; | |
31 | * this version provided for binary compatibility only. | |
32 | */ | |
33 | OP * | |
34 | Perl_ref(pTHX_ OP *o, I32 type) | |
35 | { | |
36 | return doref(o, type, TRUE); | |
37 | } | |
38 | ||
39 | /* sv_2iv() is now a macro using Perl_sv_2iv_flags(); | |
40 | * this function provided for binary compatibility only | |
41 | */ | |
42 | ||
43 | IV | |
44 | Perl_sv_2iv(pTHX_ register SV *sv) | |
45 | { | |
46 | return sv_2iv_flags(sv, SV_GMAGIC); | |
47 | } | |
48 | ||
49 | /* sv_2uv() is now a macro using Perl_sv_2uv_flags(); | |
50 | * this function provided for binary compatibility only | |
51 | */ | |
52 | ||
53 | UV | |
54 | Perl_sv_2uv(pTHX_ register SV *sv) | |
55 | { | |
56 | return sv_2uv_flags(sv, SV_GMAGIC); | |
57 | } | |
58 | ||
59 | /* sv_2pv() is now a macro using Perl_sv_2pv_flags(); | |
60 | * this function provided for binary compatibility only | |
61 | */ | |
62 | ||
63 | char * | |
64 | Perl_sv_2pv(pTHX_ register SV *sv, STRLEN *lp) | |
65 | { | |
66 | return sv_2pv_flags(sv, lp, SV_GMAGIC); | |
67 | } | |
68 | ||
69 | ||
70 | /* sv_setsv() is now a macro using Perl_sv_setsv_flags(); | |
71 | * this function provided for binary compatibility only | |
72 | */ | |
73 | ||
74 | void | |
75 | Perl_sv_setsv(pTHX_ SV *dstr, register SV *sstr) | |
76 | { | |
77 | sv_setsv_flags(dstr, sstr, SV_GMAGIC); | |
78 | } | |
79 | ||
80 | /* sv_catpvn() is now a macro using Perl_sv_catpvn_flags(); | |
81 | * this function provided for binary compatibility only | |
82 | */ | |
83 | ||
84 | void | |
85 | Perl_sv_catpvn(pTHX_ SV *dsv, const char* sstr, STRLEN slen) | |
86 | { | |
87 | sv_catpvn_flags(dsv, sstr, slen, SV_GMAGIC); | |
88 | } | |
89 | ||
90 | /* sv_catsv() is now a macro using Perl_sv_catsv_flags(); | |
91 | * this function provided for binary compatibility only | |
92 | */ | |
93 | ||
94 | void | |
95 | Perl_sv_catsv(pTHX_ SV *dstr, register SV *sstr) | |
96 | { | |
97 | sv_catsv_flags(dstr, sstr, SV_GMAGIC); | |
98 | } | |
99 | ||
100 | /* sv_pv() is now a macro using SvPV_nolen(); | |
101 | * this function provided for binary compatibility only | |
102 | */ | |
103 | ||
104 | char * | |
105 | Perl_sv_pv(pTHX_ SV *sv) | |
106 | { | |
107 | if (SvPOK(sv)) | |
108 | return SvPVX(sv); | |
109 | ||
110 | return sv_2pv(sv, 0); | |
111 | } | |
112 | ||
113 | /* sv_pvn_force() is now a macro using Perl_sv_pvn_force_flags(); | |
114 | * this function provided for binary compatibility only | |
115 | */ | |
116 | ||
117 | char * | |
118 | Perl_sv_pvn_force(pTHX_ SV *sv, STRLEN *lp) | |
119 | { | |
120 | return sv_pvn_force_flags(sv, lp, SV_GMAGIC); | |
121 | } | |
122 | ||
123 | /* sv_pvbyte () is now a macro using Perl_sv_2pv_flags(); | |
124 | * this function provided for binary compatibility only | |
125 | */ | |
126 | ||
127 | char * | |
128 | Perl_sv_pvbyte(pTHX_ SV *sv) | |
129 | { | |
130 | sv_utf8_downgrade(sv,0); | |
131 | return sv_pv(sv); | |
132 | } | |
133 | ||
134 | /* sv_pvutf8 () is now a macro using Perl_sv_2pv_flags(); | |
135 | * this function provided for binary compatibility only | |
136 | */ | |
137 | ||
138 | char * | |
139 | Perl_sv_pvutf8(pTHX_ SV *sv) | |
140 | { | |
141 | sv_utf8_upgrade(sv); | |
142 | return sv_pv(sv); | |
143 | } | |
144 | ||
145 | /* | |
146 | =for apidoc A|U8 *|uvchr_to_utf8|U8 *d|UV uv | |
147 | ||
148 | Adds the UTF-8 representation of the Native codepoint C<uv> to the end | |
149 | of the string C<d>; C<d> should be have at least C<UTF8_MAXBYTES+1> free | |
150 | bytes available. The return value is the pointer to the byte after the | |
151 | end of the new character. In other words, | |
152 | ||
153 | d = uvchr_to_utf8(d, uv); | |
154 | ||
155 | is the recommended wide native character-aware way of saying | |
156 | ||
157 | *(d++) = uv; | |
158 | ||
159 | =cut | |
160 | */ | |
161 | ||
162 | /* On ASCII machines this is normally a macro but we want a | |
163 | real function in case XS code wants it | |
164 | */ | |
165 | #undef Perl_uvchr_to_utf8 | |
166 | U8 * | |
167 | Perl_uvchr_to_utf8(pTHX_ U8 *d, UV uv) | |
168 | { | |
169 | return Perl_uvuni_to_utf8_flags(aTHX_ d, NATIVE_TO_UNI(uv), 0); | |
170 | } | |
171 | ||
172 | ||
173 | /* | |
174 | =for apidoc A|UV|utf8n_to_uvchr|U8 *s|STRLEN curlen|STRLEN *retlen|U32 | |
175 | flags | |
176 | ||
177 | Returns the native character value of the first character in the string | |
178 | C<s> | |
179 | which is assumed to be in UTF-8 encoding; C<retlen> will be set to the | |
180 | length, in bytes, of that character. | |
181 | ||
182 | Allows length and flags to be passed to low level routine. | |
183 | ||
184 | =cut | |
185 | */ | |
186 | /* On ASCII machines this is normally a macro but we want | |
187 | a real function in case XS code wants it | |
188 | */ | |
189 | #undef Perl_utf8n_to_uvchr | |
190 | UV | |
191 | Perl_utf8n_to_uvchr(pTHX_ const U8 *s, STRLEN curlen, STRLEN *retlen, | |
192 | U32 flags) | |
193 | { | |
194 | const UV uv = Perl_utf8n_to_uvuni(aTHX_ s, curlen, retlen, flags); | |
195 | return UNI_TO_NATIVE(uv); | |
196 | } | |
197 | int | |
198 | Perl_fprintf_nocontext(PerlIO *stream, const char *format, ...) | |
199 | { | |
200 | dTHXs; | |
201 | va_list(arglist); | |
202 | va_start(arglist, format); | |
203 | return PerlIO_vprintf(stream, format, arglist); | |
204 | } | |
205 | ||
206 | int | |
207 | Perl_printf_nocontext(const char *format, ...) | |
208 | { | |
209 | dTHX; | |
210 | va_list(arglist); | |
211 | va_start(arglist, format); | |
212 | return PerlIO_vprintf(PerlIO_stdout(), format, arglist); | |
213 | } | |
214 | ||
215 | #if defined(HUGE_VAL) || (defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)) | |
216 | /* | |
217 | * This hack is to force load of "huge" support from libm.a | |
218 | * So it is in perl for (say) POSIX to use. | |
219 | * Needed for SunOS with Sun's 'acc' for example. | |
220 | */ | |
221 | NV | |
222 | Perl_huge(void) | |
223 | { | |
224 | # if defined(USE_LONG_DOUBLE) && defined(HUGE_VALL) | |
225 | return HUGE_VALL; | |
226 | # endif | |
227 | return HUGE_VAL; | |
228 | } | |
229 | #endif | |
230 | ||
231 | #ifndef USE_SFIO | |
232 | int | |
233 | perlsio_binmode(FILE *fp, int iotype, int mode) | |
234 | { | |
235 | /* | |
236 | * This used to be contents of do_binmode in doio.c | |
237 | */ | |
238 | #ifdef DOSISH | |
239 | # if defined(atarist) || defined(__MINT__) | |
240 | if (!fflush(fp)) { | |
241 | if (mode & O_BINARY) | |
242 | ((FILE *) fp)->_flag |= _IOBIN; | |
243 | else | |
244 | ((FILE *) fp)->_flag &= ~_IOBIN; | |
245 | return 1; | |
246 | } | |
247 | return 0; | |
248 | # else | |
249 | dTHX; | |
250 | #ifdef NETWARE | |
251 | if (PerlLIO_setmode(fp, mode) != -1) { | |
252 | #else | |
253 | if (PerlLIO_setmode(fileno(fp), mode) != -1) { | |
254 | #endif | |
255 | # if defined(WIN32) && defined(__BORLANDC__) | |
256 | /* | |
257 | * The translation mode of the stream is maintained independent | |
258 | of | |
259 | * the translation mode of the fd in the Borland RTL (heavy | |
260 | * digging through their runtime sources reveal). User has to | |
261 | set | |
262 | * the mode explicitly for the stream (though they don't | |
263 | document | |
264 | * this anywhere). GSAR 97-5-24 | |
265 | */ | |
266 | fseek(fp, 0L, 0); | |
267 | if (mode & O_BINARY) | |
268 | fp->flags |= _F_BIN; | |
269 | else | |
270 | fp->flags &= ~_F_BIN; | |
271 | # endif | |
272 | return 1; | |
273 | } | |
274 | else | |
275 | return 0; | |
276 | # endif | |
277 | #else | |
278 | # if defined(USEMYBINMODE) | |
279 | dTHX; | |
280 | if (my_binmode(fp, iotype, mode) != FALSE) | |
281 | return 1; | |
282 | else | |
283 | return 0; | |
284 | # else | |
285 | PERL_UNUSED_ARG(fp); | |
286 | PERL_UNUSED_ARG(iotype); | |
287 | PERL_UNUSED_ARG(mode); | |
288 | return 1; | |
289 | # endif | |
290 | #endif | |
291 | } | |
292 | #endif /* sfio */ | |
293 | ||
f2f0f092 NC |
294 | /* compatibility with versions <= 5.003. */ |
295 | void | |
296 | Perl_gv_fullname(pTHX_ SV *sv, const GV *gv) | |
297 | { | |
298 | gv_fullname3(sv, gv, sv == (const SV*)gv ? "*" : ""); | |
299 | } | |
300 | ||
301 | /* compatibility with versions <= 5.003. */ | |
302 | void | |
303 | Perl_gv_efullname(pTHX_ SV *sv, const GV *gv) | |
304 | { | |
305 | gv_efullname3(sv, gv, sv == (const SV*)gv ? "*" : ""); | |
306 | } | |
307 | ||
2674aeec NC |
308 | void |
309 | Perl_gv_fullname3(pTHX_ SV *sv, const GV *gv, const char *prefix) | |
310 | { | |
311 | gv_fullname4(sv, gv, prefix, TRUE); | |
312 | } | |
313 | ||
314 | void | |
315 | Perl_gv_efullname3(pTHX_ SV *sv, const GV *gv, const char *prefix) | |
316 | { | |
317 | gv_efullname4(sv, gv, prefix, TRUE); | |
318 | } | |
319 | ||
b966a812 SP |
320 | AV * |
321 | Perl_av_fake(pTHX_ register I32 size, register SV **strp) | |
322 | { | |
323 | register SV** ary; | |
324 | register AV * const av = (AV*)NEWSV(9,0); | |
325 | ||
326 | sv_upgrade((SV *)av, SVt_PVAV); | |
327 | Newx(ary,size+1,SV*); | |
328 | AvALLOC(av) = ary; | |
329 | Copy(strp,ary,size,SV*); | |
330 | AvREIFY_only(av); | |
331 | SvPV_set(av, (char*)ary); | |
332 | AvFILLp(av) = size - 1; | |
333 | AvMAX(av) = size - 1; | |
334 | while (size--) { | |
335 | assert (*strp); | |
336 | SvTEMP_off(*strp); | |
337 | strp++; | |
338 | } | |
339 | return av; | |
340 | } | |
341 | ||
34d367cd SP |
342 | bool |
343 | Perl_do_open9(pTHX_ GV *gv, register const char *name, I32 len, int | |
344 | as_raw, | |
345 | int rawmode, int rawperm, PerlIO *supplied_fp, SV *svs, | |
346 | I32 num_svs) | |
347 | { | |
348 | PERL_UNUSED_ARG(num_svs); | |
349 | return do_openn(gv, name, len, as_raw, rawmode, rawperm, | |
350 | supplied_fp, &svs, 1); | |
351 | } | |
352 | ||
353 | int | |
354 | Perl_do_binmode(pTHX_ PerlIO *fp, int iotype, int mode) | |
355 | { | |
356 | /* The old body of this is now in non-LAYER part of perlio.c | |
357 | * This is a stub for any XS code which might have been calling it. | |
358 | */ | |
359 | const char *name = ":raw"; | |
360 | #ifdef PERLIO_USING_CRLF | |
361 | if (!(mode & O_BINARY)) | |
362 | name = ":crlf"; | |
363 | #endif | |
364 | return PerlIO_binmode(aTHX_ fp, iotype, mode, name); | |
365 | } | |
366 | ||
367 | ||
7ee2227d SP |
368 | /* |
369 | * Local variables: | |
370 | * c-indentation-style: bsd | |
371 | * c-basic-offset: 4 | |
372 | * indent-tabs-mode: t | |
373 | * End: | |
374 | * | |
375 | * ex: set ts=8 sts=4 sw=4 noet: | |
376 | */ |