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1 | /* $Header: perl.h,v 3.0.1.3 89/11/17 15:28:57 lwall Locked $ |
a687059c |
2 | * |
3 | * Copyright (c) 1989, Larry Wall |
4 | * |
5 | * You may distribute under the terms of the GNU General Public License |
6 | * as specified in the README file that comes with the perl 3.0 kit. |
8d063cd8 |
7 | * |
8 | * $Log: perl.h,v $ |
ffed7fef |
9 | * Revision 3.0.1.3 89/11/17 15:28:57 lwall |
10 | * patch5: byteorder now is a hex value |
11 | * patch5: Configure now looks for <time.h> including <sys/time.h> |
12 | * |
ae986130 |
13 | * Revision 3.0.1.2 89/11/11 04:39:38 lwall |
14 | * patch2: Configure may now set -DDEBUGGING |
15 | * patch2: netinet/in.h needed sys/types.h some places |
16 | * patch2: more <sys/time.h> and <time.h> wrangling |
17 | * patch2: yydebug moved to where type doesn't matter |
18 | * |
03a14243 |
19 | * Revision 3.0.1.1 89/10/26 23:17:08 lwall |
20 | * patch1: vfork now conditionally defined based on VFORK |
21 | * patch1: DEC risc machines have a buggy memcmp |
22 | * patch1: perl.h now includes <netinet/in.h> if it exists |
23 | * |
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24 | * Revision 3.0 89/10/18 15:21:21 lwall |
25 | * 3.0 baseline |
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26 | * |
27 | */ |
28 | |
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29 | #define VOIDUSED 1 |
30 | #include "config.h" |
31 | |
a687059c |
32 | #ifdef IAMSUID |
33 | # ifndef TAINT |
34 | # define TAINT |
35 | # endif |
36 | #endif |
37 | |
03a14243 |
38 | #ifndef VFORK |
39 | # define vfork fork |
40 | #endif |
41 | |
ffed7fef |
42 | #if defined(MEMCMP) && defined(mips) && BYTEORDER == 0x1234 |
03a14243 |
43 | #undef MEMCMP |
44 | #endif |
45 | |
378cc40b |
46 | #ifdef MEMCPY |
47 | extern char *memcpy(), *memset(); |
a687059c |
48 | #define bcopy(s1,s2,l) memcpy(s2,s1,l) |
49 | #define bzero(s,l) memset(s,0,l) |
50 | #endif |
51 | #ifndef BCMP /* prefer bcmp slightly 'cuz it doesn't order */ |
52 | #define bcmp(s1,s2,l) memcmp(s1,s2,l) |
8d063cd8 |
53 | #endif |
54 | |
55 | #include <stdio.h> |
56 | #include <ctype.h> |
57 | #include <setjmp.h> |
378cc40b |
58 | #include <sys/param.h> /* if this needs types.h we're still wrong */ |
59 | |
60 | #ifndef _TYPES_ /* If types.h defines this it's easy. */ |
61 | #ifndef major /* Does everyone's types.h define this? */ |
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62 | #include <sys/types.h> |
378cc40b |
63 | #endif |
64 | #endif |
65 | |
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66 | #ifdef I_NETINET_IN |
67 | #include <netinet/in.h> |
68 | #endif |
69 | |
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70 | #include <sys/stat.h> |
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71 | |
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72 | #if defined(TMINSYS) || defined(I_SYSTIME) |
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73 | #include <sys/time.h> |
ffed7fef |
74 | #ifdef I_TIMETOO |
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75 | #include <time.h> |
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76 | #endif |
ae986130 |
77 | #else |
78 | #include <time.h> |
ffed7fef |
79 | #ifdef I_SYSTIMETOO |
80 | #include <time.h> |
81 | #endif |
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82 | #endif |
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83 | |
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84 | #include <sys/times.h> |
85 | |
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86 | #ifdef I_SYSIOCTL |
87 | #ifndef _IOCTL_ |
88 | #include <sys/ioctl.h> |
89 | #endif |
90 | #endif |
91 | |
92 | #if defined(mc300) || defined(mc500) || defined(mc700) /* MASSCOMP */ |
93 | #ifdef SOCKETPAIR |
94 | #undef SOCKETPAIR |
95 | #endif |
96 | #ifdef NDBM |
97 | #undef NDBM |
98 | #endif |
99 | #endif |
100 | |
101 | #ifdef NDBM |
102 | #include <ndbm.h> |
103 | #define SOME_DBM |
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104 | #ifdef ODBM |
105 | #undef ODBM |
106 | #endif |
a687059c |
107 | #else |
108 | #ifdef ODBM |
109 | #ifdef NULL |
110 | #undef NULL /* suppress redefinition message */ |
111 | #endif |
112 | #include <dbm.h> |
113 | #ifdef NULL |
114 | #undef NULL |
115 | #endif |
116 | #define NULL 0 /* silly thing is, we don't even use this */ |
117 | #define SOME_DBM |
118 | #define dbm_fetch(db,dkey) fetch(dkey) |
119 | #define dbm_delete(db,dkey) delete(dkey) |
120 | #define dbm_store(db,dkey,dcontent,flags) store(dkey,dcontent) |
121 | #define dbm_close(db) dbmclose() |
122 | #define dbm_firstkey(db) firstkey() |
123 | #endif /* ODBM */ |
124 | #endif /* NDBM */ |
125 | #ifdef SOME_DBM |
126 | EXT char *dbmkey; |
127 | EXT int dbmlen; |
128 | #endif |
129 | |
130 | #if INTSIZE == 2 |
131 | #define htoni htons |
132 | #define ntohi ntohs |
133 | #else |
134 | #define htoni htonl |
135 | #define ntohi ntohl |
136 | #endif |
137 | |
138 | #ifdef I_DIRENT |
139 | #include <dirent.h> |
140 | #define DIRENT dirent |
141 | #else |
142 | #ifdef I_SYSDIR |
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143 | #ifdef hp9000s500 |
144 | #include <ndir.h> /* may be wrong in the future */ |
145 | #else |
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146 | #include <sys/dir.h> |
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147 | #endif |
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148 | #define DIRENT direct |
149 | #endif |
150 | #endif |
151 | |
8d063cd8 |
152 | typedef struct arg ARG; |
153 | typedef struct cmd CMD; |
154 | typedef struct formcmd FCMD; |
155 | typedef struct scanpat SPAT; |
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156 | typedef struct stio STIO; |
378cc40b |
157 | typedef struct sub SUBR; |
8d063cd8 |
158 | typedef struct string STR; |
159 | typedef struct atbl ARRAY; |
160 | typedef struct htbl HASH; |
378cc40b |
161 | typedef struct regexp REGEXP; |
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162 | typedef struct stabptrs STBP; |
163 | typedef struct stab STAB; |
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164 | |
378cc40b |
165 | #include "handy.h" |
166 | #include "regexp.h" |
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167 | #include "str.h" |
378cc40b |
168 | #include "util.h" |
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169 | #include "form.h" |
170 | #include "stab.h" |
171 | #include "spat.h" |
172 | #include "arg.h" |
173 | #include "cmd.h" |
174 | #include "array.h" |
175 | #include "hash.h" |
176 | |
a687059c |
177 | #if defined(iAPX286) || defined(M_I286) || defined(I80286) |
178 | # define I286 |
179 | #endif |
180 | |
181 | #ifndef __STDC__ |
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182 | #ifdef CHARSPRINTF |
183 | char *sprintf(); |
184 | #else |
185 | int sprintf(); |
186 | #endif |
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187 | #endif |
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188 | |
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189 | EXT char *Yes INIT("1"); |
190 | EXT char *No INIT(""); |
191 | |
a687059c |
192 | /* "gimme" values */ |
193 | |
194 | /* Note: cmd.c assumes that it can use && to produce one of these values! */ |
195 | #define G_SCALAR 0 |
196 | #define G_ARRAY 1 |
197 | |
198 | #ifdef CRIPPLED_CC |
199 | int str_true(); |
200 | #else /* !CRIPPLED_CC */ |
201 | #define str_true(str) (Str = (str), \ |
202 | (Str->str_pok ? \ |
203 | ((*Str->str_ptr > '0' || \ |
204 | Str->str_cur > 1 || \ |
205 | (Str->str_cur && *Str->str_ptr != '0')) ? 1 : 0) \ |
206 | : \ |
207 | (Str->str_nok ? (Str->str_u.str_nval != 0.0) : 0 ) )) |
208 | #endif /* CRIPPLED_CC */ |
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209 | |
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210 | #ifdef DEBUGGING |
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211 | #define str_peek(str) (Str = (str), \ |
212 | (Str->str_pok ? \ |
213 | Str->str_ptr : \ |
214 | (Str->str_nok ? \ |
215 | (sprintf(tokenbuf,"num(%g)",Str->str_u.str_nval), \ |
216 | (char*)tokenbuf) : \ |
217 | "" ))) |
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218 | #endif |
219 | |
a687059c |
220 | #ifdef CRIPPLED_CC |
221 | char *str_get(); |
222 | #else |
223 | #ifdef TAINT |
224 | #define str_get(str) (Str = (str), tainted |= Str->str_tainted, \ |
225 | (Str->str_pok ? Str->str_ptr : str_2ptr(Str))) |
226 | #else |
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227 | #define str_get(str) (Str = (str), (Str->str_pok ? Str->str_ptr : str_2ptr(Str))) |
a687059c |
228 | #endif /* TAINT */ |
229 | #endif /* CRIPPLED_CC */ |
230 | |
231 | #ifdef CRIPPLED_CC |
232 | double str_gnum(); |
233 | #else /* !CRIPPLED_CC */ |
234 | #ifdef TAINT |
235 | #define str_gnum(str) (Str = (str), tainted |= Str->str_tainted, \ |
236 | (Str->str_nok ? Str->str_u.str_nval : str_2num(Str))) |
237 | #else /* !TAINT */ |
238 | #define str_gnum(str) (Str = (str), (Str->str_nok ? Str->str_u.str_nval : str_2num(Str))) |
239 | #endif /* TAINT*/ |
240 | #endif /* CRIPPLED_CC */ |
8d063cd8 |
241 | EXT STR *Str; |
242 | |
243 | #define GROWSTR(pp,lp,len) if (*(lp) < (len)) growstr(pp,lp,len) |
244 | |
a687059c |
245 | #define STR_GROW(str,len) if ((str)->str_len < (len)) str_grow(str,len) |
246 | |
247 | #ifndef BYTEORDER |
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248 | #define BYTEORDER 0x1234 |
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249 | #endif |
250 | |
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251 | #if defined(htonl) && !defined(HTONL) |
252 | #define HTONL |
253 | #endif |
254 | #if defined(htons) && !defined(HTONS) |
255 | #define HTONS |
256 | #endif |
257 | #if defined(ntohl) && !defined(NTOHL) |
258 | #define NTOHL |
259 | #endif |
260 | #if defined(ntohs) && !defined(NTOHS) |
261 | #define NTOHS |
262 | #endif |
a687059c |
263 | #ifndef HTONL |
ffed7fef |
264 | #if (BYTEORDER != 0x4321) && (BYTEORDER != 0x87654321) |
a687059c |
265 | #define HTONS |
266 | #define HTONL |
267 | #define NTOHS |
268 | #define NTOHL |
269 | #define MYSWAP |
270 | #define htons my_swap |
271 | #define htonl my_htonl |
272 | #define ntohs my_swap |
273 | #define ntohl my_ntohl |
274 | #endif |
275 | #else |
ffed7fef |
276 | #if (BYTEORDER == 0x4321) || (BYTEORDER == 0x87654321) |
a687059c |
277 | #undef HTONS |
278 | #undef HTONL |
279 | #undef NTOHS |
280 | #undef NTOHL |
281 | #endif |
282 | #endif |
283 | |
8d063cd8 |
284 | CMD *add_label(); |
285 | CMD *block_head(); |
286 | CMD *append_line(); |
287 | CMD *make_acmd(); |
288 | CMD *make_ccmd(); |
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289 | CMD *make_icmd(); |
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290 | CMD *invert(); |
291 | CMD *addcond(); |
292 | CMD *addloop(); |
293 | CMD *wopt(); |
378cc40b |
294 | CMD *over(); |
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295 | |
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296 | STAB *stabent(); |
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297 | STAB *genstab(); |
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298 | |
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299 | ARG *stab2arg(); |
8d063cd8 |
300 | ARG *op_new(); |
301 | ARG *make_op(); |
8d063cd8 |
302 | ARG *make_match(); |
303 | ARG *make_split(); |
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304 | ARG *rcatmaybe(); |
378cc40b |
305 | ARG *listish(); |
a687059c |
306 | ARG *maybelistish(); |
378cc40b |
307 | ARG *localize(); |
a687059c |
308 | ARG *fixeval(); |
309 | ARG *jmaybe(); |
378cc40b |
310 | ARG *l(); |
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311 | ARG *fixl(); |
378cc40b |
312 | ARG *mod_match(); |
313 | ARG *make_list(); |
314 | ARG *cmd_to_arg(); |
315 | ARG *addflags(); |
316 | ARG *hide_ary(); |
317 | ARG *cval_to_arg(); |
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318 | |
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319 | STR *str_new(); |
320 | STR *stab_str(); |
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321 | |
322 | int do_each(); |
323 | int do_subr(); |
324 | int do_match(); |
325 | int do_unpack(); |
326 | int eval(); /* this evaluates expressions */ |
327 | int do_eval(); /* this evaluates eval operator */ |
328 | int do_assign(); |
378cc40b |
329 | |
330 | SUBR *make_sub(); |
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331 | |
332 | FCMD *load_format(); |
333 | |
334 | char *scanpat(); |
335 | char *scansubst(); |
336 | char *scantrans(); |
337 | char *scanstr(); |
338 | char *scanreg(); |
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339 | char *str_append_till(); |
340 | char *str_gets(); |
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341 | char *str_grow(); |
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342 | |
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343 | bool do_open(); |
344 | bool do_close(); |
345 | bool do_print(); |
378cc40b |
346 | bool do_aprint(); |
347 | bool do_exec(); |
348 | bool do_aexec(); |
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349 | |
350 | int do_subst(); |
378cc40b |
351 | int cando(); |
352 | int ingroup(); |
8d063cd8 |
353 | |
378cc40b |
354 | void str_replace(); |
355 | void str_inc(); |
356 | void str_dec(); |
8d063cd8 |
357 | void str_free(); |
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358 | void stab_clear(); |
378cc40b |
359 | void do_join(); |
378cc40b |
360 | void do_sprintf(); |
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361 | void do_accept(); |
362 | void do_vecset(); |
363 | void savelist(); |
364 | void saveitem(); |
365 | void saveint(); |
366 | void savelong(); |
367 | void savesptr(); |
368 | void savehptr(); |
369 | void restorelist(); |
370 | HASH *savehash(); |
371 | ARRAY *saveary(); |
378cc40b |
372 | |
373 | EXT line_t line INIT(0); |
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374 | EXT line_t subline INIT(0); |
375 | EXT STR *subname INIT(Nullstr); |
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376 | EXT int arybase INIT(0); |
377 | |
378 | struct outrec { |
378cc40b |
379 | line_t o_lines; |
380 | char *o_str; |
381 | int o_len; |
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382 | }; |
383 | |
384 | EXT struct outrec outrec; |
385 | EXT struct outrec toprec; |
386 | |
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387 | EXT STAB *stdinstab INIT(Nullstab); |
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388 | EXT STAB *last_in_stab INIT(Nullstab); |
389 | EXT STAB *defstab INIT(Nullstab); |
390 | EXT STAB *argvstab INIT(Nullstab); |
391 | EXT STAB *envstab INIT(Nullstab); |
392 | EXT STAB *sigstab INIT(Nullstab); |
393 | EXT STAB *defoutstab INIT(Nullstab); |
394 | EXT STAB *curoutstab INIT(Nullstab); |
395 | EXT STAB *argvoutstab INIT(Nullstab); |
378cc40b |
396 | EXT STAB *incstab INIT(Nullstab); |
a687059c |
397 | EXT STAB *leftstab INIT(Nullstab); |
398 | EXT STAB *amperstab INIT(Nullstab); |
399 | EXT STAB *rightstab INIT(Nullstab); |
400 | EXT STAB *DBstab INIT(Nullstab); |
401 | EXT STAB *DBsub INIT(Nullstab); |
402 | |
403 | EXT HASH *defstash; /* main symbol table */ |
404 | EXT HASH *curstash; /* symbol table for current package */ |
405 | EXT HASH *debstash; /* symbol table for perldb package */ |
406 | |
407 | EXT STR *curstname; /* name of current package */ |
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408 | |
409 | EXT STR *freestrroot INIT(Nullstr); |
378cc40b |
410 | EXT STR *lastretstr INIT(Nullstr); |
a687059c |
411 | EXT STR *DBsingle INIT(Nullstr); |
412 | |
413 | EXT int lastspbase; |
414 | EXT int lastsize; |
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415 | |
378cc40b |
416 | EXT char *filename; |
417 | EXT char *origfilename; |
8d063cd8 |
418 | EXT FILE *rsfp; |
419 | EXT char buf[1024]; |
a687059c |
420 | EXT char *bufptr; |
421 | EXT char *oldbufptr; |
422 | EXT char *oldoldbufptr; |
423 | EXT char *bufend; |
8d063cd8 |
424 | |
425 | EXT STR *linestr INIT(Nullstr); |
426 | |
427 | EXT char record_separator INIT('\n'); |
a687059c |
428 | EXT int rslen INIT(1); |
8d063cd8 |
429 | EXT char *ofs INIT(Nullch); |
a687059c |
430 | EXT int ofslen INIT(0); |
8d063cd8 |
431 | EXT char *ors INIT(Nullch); |
a687059c |
432 | EXT int orslen INIT(0); |
8d063cd8 |
433 | EXT char *ofmt INIT(Nullch); |
434 | EXT char *inplace INIT(Nullch); |
a687059c |
435 | EXT char *nointrp INIT(""); |
8d063cd8 |
436 | |
378cc40b |
437 | EXT bool preprocess INIT(FALSE); |
438 | EXT bool minus_n INIT(FALSE); |
439 | EXT bool minus_p INIT(FALSE); |
440 | EXT bool minus_a INIT(FALSE); |
441 | EXT bool doswitches INIT(FALSE); |
442 | EXT bool dowarn INIT(FALSE); |
443 | EXT bool allstabs INIT(FALSE); /* init all customary symbols in symbol table?*/ |
444 | EXT bool sawampersand INIT(FALSE); /* must save all match strings */ |
445 | EXT bool sawstudy INIT(FALSE); /* do fbminstr on all strings */ |
a687059c |
446 | EXT bool sawi INIT(FALSE); /* study must assume case insensitive */ |
447 | EXT bool sawvec INIT(FALSE); |
448 | |
ae986130 |
449 | #ifdef CSH |
450 | char *cshname INIT(CSH); |
451 | int cshlen INIT(0); |
452 | #endif /* CSH */ |
a687059c |
453 | |
454 | #ifdef TAINT |
455 | EXT bool tainted INIT(FALSE); /* using variables controlled by $< */ |
456 | #endif |
378cc40b |
457 | |
458 | #define TMPPATH "/tmp/perl-eXXXXXX" |
459 | EXT char *e_tmpname; |
460 | EXT FILE *e_fp INIT(Nullfp); |
461 | |
8d063cd8 |
462 | EXT char tokenbuf[256]; |
a687059c |
463 | EXT int expectterm INIT(TRUE); /* how to interpret ambiguous tokens */ |
464 | EXT int in_eval INIT(FALSE); /* trap fatal errors? */ |
465 | EXT int multiline INIT(0); /* $*--do strings hold >1 line? */ |
466 | EXT int forkprocess; /* so do_open |- can return proc# */ |
467 | EXT int do_undump INIT(0); /* -u or dump seen? */ |
468 | EXT int error_count INIT(0); /* how many errors so far, max 10 */ |
469 | EXT int multi_start INIT(0); /* 1st line of multi-line string */ |
470 | EXT int multi_end INIT(0); /* last line of multi-line string */ |
471 | EXT int multi_open INIT(0); /* delimiter of said string */ |
472 | EXT int multi_close INIT(0); /* delimiter of said string */ |
8d063cd8 |
473 | |
474 | FILE *popen(); |
475 | /* char *str_get(); */ |
476 | STR *interp(); |
477 | void free_arg(); |
478 | STIO *stio_new(); |
479 | |
480 | EXT struct stat statbuf; |
a687059c |
481 | EXT struct stat statcache; |
482 | STAB *statstab INIT(Nullstab); |
483 | STR *statname; |
8d063cd8 |
484 | EXT struct tms timesbuf; |
378cc40b |
485 | EXT int uid; |
486 | EXT int euid; |
a687059c |
487 | EXT int gid; |
488 | EXT int egid; |
378cc40b |
489 | UIDTYPE getuid(); |
490 | UIDTYPE geteuid(); |
491 | GIDTYPE getgid(); |
492 | GIDTYPE getegid(); |
493 | EXT int unsafe; |
8d063cd8 |
494 | |
495 | #ifdef DEBUGGING |
496 | EXT int debug INIT(0); |
497 | EXT int dlevel INIT(0); |
a687059c |
498 | EXT int dlmax INIT(128); |
499 | EXT char *debname; |
500 | EXT char *debdelim; |
d96024cf |
501 | #define YYDEBUG 1 |
8d063cd8 |
502 | #endif |
a687059c |
503 | EXT int perldb INIT(0); |
8d063cd8 |
504 | |
378cc40b |
505 | EXT line_t cmdline INIT(NOLINE); |
506 | |
a687059c |
507 | EXT STR str_undef; |
8d063cd8 |
508 | EXT STR str_no; |
509 | EXT STR str_yes; |
510 | |
511 | /* runtime control stuff */ |
512 | |
513 | EXT struct loop { |
a687059c |
514 | char *loop_label; /* what the loop was called, if anything */ |
515 | int loop_sp; /* stack pointer to copy stuff down to */ |
8d063cd8 |
516 | jmp_buf loop_env; |
a687059c |
517 | } *loop_stack; |
8d063cd8 |
518 | |
519 | EXT int loop_ptr INIT(-1); |
a687059c |
520 | EXT int loop_max INIT(128); |
8d063cd8 |
521 | |
522 | EXT jmp_buf top_env; |
a559c259 |
523 | EXT jmp_buf eval_env; |
8d063cd8 |
524 | |
525 | EXT char *goto_targ INIT(Nullch); /* cmd_exec gets strange when set */ |
526 | |
a687059c |
527 | EXT ARRAY *stack; /* THE STACK */ |
528 | |
378cc40b |
529 | EXT ARRAY *savestack; /* to save non-local values on */ |
530 | |
531 | EXT ARRAY *tosave; /* strings to save on recursive subroutine */ |
532 | |
a687059c |
533 | EXT ARRAY *lineary; /* lines of script for debugger */ |
534 | |
535 | EXT ARRAY *pidstatary; /* keep pids and statuses by fd for mypopen */ |
536 | |
8d063cd8 |
537 | double atof(); |
a687059c |
538 | long time(); |
8d063cd8 |
539 | struct tm *gmtime(), *localtime(); |
378cc40b |
540 | char *mktemp(); |
541 | char *index(), *rindex(); |
542 | char *strcpy(), *strcat(); |
8d063cd8 |
543 | |
8d063cd8 |
544 | #ifdef EUNICE |
378cc40b |
545 | #define UNLINK unlnk |
546 | int unlnk(); |
8d063cd8 |
547 | #else |
548 | #define UNLINK unlink |
549 | #endif |
a687059c |
550 | |
551 | #ifndef SETREUID |
552 | #ifdef SETRESUID |
553 | #define setreuid(r,e) setresuid(r,e,-1) |
554 | #define SETREUID |
555 | #endif |
556 | #endif |
557 | #ifndef SETREGID |
558 | #ifdef SETRESGID |
559 | #define setregid(r,e) setresgid(r,e,-1) |
560 | #define SETREGID |
561 | #endif |
562 | #endif |