Commit | Line | Data |
663a0e37 |
1 | /* $Header: stab.c,v 3.0.1.3 89/12/21 20:18:40 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: stab.c,v $ |
663a0e37 |
9 | * Revision 3.0.1.3 89/12/21 20:18:40 lwall |
10 | * patch7: ANSI strerror() is now supported |
11 | * patch7: errno may now be a macro with an lvalue |
12 | * patch7: in stab.c, sighandler() may now return either void or int |
13 | * |
ffed7fef |
14 | * Revision 3.0.1.2 89/11/17 15:35:37 lwall |
15 | * patch5: sighandler() needed to be static |
16 | * |
ae986130 |
17 | * Revision 3.0.1.1 89/11/11 04:55:07 lwall |
18 | * patch2: sys_errlist[sys_nerr] is illegal |
19 | * |
a687059c |
20 | * Revision 3.0 89/10/18 15:23:23 lwall |
21 | * 3.0 baseline |
8d063cd8 |
22 | * |
23 | */ |
24 | |
8d063cd8 |
25 | #include "EXTERN.h" |
8d063cd8 |
26 | #include "perl.h" |
27 | |
378cc40b |
28 | #include <signal.h> |
29 | |
8d063cd8 |
30 | static char *sig_name[] = { |
a687059c |
31 | SIG_NAME,0 |
32 | }; |
8d063cd8 |
33 | |
663a0e37 |
34 | #ifdef VOIDSIG |
35 | #define handlertype void |
36 | #else |
37 | #define handlertype int |
38 | #endif |
2e1b3b7e |
39 | |
8d063cd8 |
40 | STR * |
a687059c |
41 | stab_str(str) |
42 | STR *str; |
8d063cd8 |
43 | { |
a687059c |
44 | STAB *stab = str->str_u.str_stab; |
8d063cd8 |
45 | register int paren; |
46 | register char *s; |
378cc40b |
47 | register int i; |
8d063cd8 |
48 | |
a687059c |
49 | if (str->str_rare) |
50 | return stab_val(stab); |
51 | |
52 | switch (*stab->str_magic->str_ptr) { |
8d063cd8 |
53 | case '0': case '1': case '2': case '3': case '4': |
54 | case '5': case '6': case '7': case '8': case '9': case '&': |
55 | if (curspat) { |
a687059c |
56 | paren = atoi(stab_name(stab)); |
378cc40b |
57 | getparen: |
58 | if (curspat->spat_regexp && |
59 | paren <= curspat->spat_regexp->nparens && |
60 | (s = curspat->spat_regexp->startp[paren]) ) { |
61 | i = curspat->spat_regexp->endp[paren] - s; |
62 | if (i >= 0) |
a687059c |
63 | str_nset(stab_val(stab),s,i); |
378cc40b |
64 | else |
a687059c |
65 | str_sset(stab_val(stab),&str_undef); |
8d063cd8 |
66 | } |
378cc40b |
67 | else |
a687059c |
68 | str_sset(stab_val(stab),&str_undef); |
8d063cd8 |
69 | } |
70 | break; |
71 | case '+': |
72 | if (curspat) { |
378cc40b |
73 | paren = curspat->spat_regexp->lastparen; |
74 | goto getparen; |
8d063cd8 |
75 | } |
76 | break; |
a687059c |
77 | case '`': |
78 | if (curspat) { |
79 | if (curspat->spat_regexp && |
80 | (s = curspat->spat_regexp->subbase) ) { |
81 | i = curspat->spat_regexp->startp[0] - s; |
82 | if (i >= 0) |
83 | str_nset(stab_val(stab),s,i); |
84 | else |
85 | str_nset(stab_val(stab),"",0); |
86 | } |
87 | else |
88 | str_nset(stab_val(stab),"",0); |
89 | } |
90 | break; |
91 | case '\'': |
92 | if (curspat) { |
93 | if (curspat->spat_regexp && |
94 | (s = curspat->spat_regexp->endp[0]) ) { |
95 | str_set(stab_val(stab),s); |
96 | } |
97 | else |
98 | str_nset(stab_val(stab),"",0); |
99 | } |
100 | break; |
8d063cd8 |
101 | case '.': |
a687059c |
102 | #ifndef lint |
8d063cd8 |
103 | if (last_in_stab) { |
a687059c |
104 | str_numset(stab_val(stab),(double)stab_io(last_in_stab)->lines); |
8d063cd8 |
105 | } |
a687059c |
106 | #endif |
8d063cd8 |
107 | break; |
108 | case '?': |
a687059c |
109 | str_numset(stab_val(stab),(double)statusvalue); |
8d063cd8 |
110 | break; |
111 | case '^': |
a687059c |
112 | s = stab_io(curoutstab)->top_name; |
113 | str_set(stab_val(stab),s); |
8d063cd8 |
114 | break; |
115 | case '~': |
a687059c |
116 | s = stab_io(curoutstab)->fmt_name; |
117 | str_set(stab_val(stab),s); |
8d063cd8 |
118 | break; |
a687059c |
119 | #ifndef lint |
8d063cd8 |
120 | case '=': |
a687059c |
121 | str_numset(stab_val(stab),(double)stab_io(curoutstab)->page_len); |
8d063cd8 |
122 | break; |
123 | case '-': |
a687059c |
124 | str_numset(stab_val(stab),(double)stab_io(curoutstab)->lines_left); |
8d063cd8 |
125 | break; |
126 | case '%': |
a687059c |
127 | str_numset(stab_val(stab),(double)stab_io(curoutstab)->page); |
8d063cd8 |
128 | break; |
a687059c |
129 | #endif |
8d063cd8 |
130 | case '/': |
131 | *tokenbuf = record_separator; |
132 | tokenbuf[1] = '\0'; |
a687059c |
133 | str_nset(stab_val(stab),tokenbuf,rslen); |
8d063cd8 |
134 | break; |
135 | case '[': |
a687059c |
136 | str_numset(stab_val(stab),(double)arybase); |
8d063cd8 |
137 | break; |
138 | case '|': |
a687059c |
139 | str_numset(stab_val(stab), |
140 | (double)((stab_io(curoutstab)->flags & IOF_FLUSH) != 0) ); |
8d063cd8 |
141 | break; |
142 | case ',': |
a687059c |
143 | str_nset(stab_val(stab),ofs,ofslen); |
8d063cd8 |
144 | break; |
145 | case '\\': |
a687059c |
146 | str_nset(stab_val(stab),ors,orslen); |
8d063cd8 |
147 | break; |
148 | case '#': |
a687059c |
149 | str_set(stab_val(stab),ofmt); |
8d063cd8 |
150 | break; |
151 | case '!': |
a687059c |
152 | str_numset(stab_val(stab), (double)errno); |
663a0e37 |
153 | str_set(stab_val(stab), strerror(errno)); |
a687059c |
154 | stab_val(stab)->str_nok = 1; /* what a wonderful hack! */ |
378cc40b |
155 | break; |
156 | case '<': |
a687059c |
157 | str_numset(stab_val(stab),(double)uid); |
378cc40b |
158 | break; |
159 | case '>': |
a687059c |
160 | str_numset(stab_val(stab),(double)euid); |
378cc40b |
161 | break; |
162 | case '(': |
a687059c |
163 | s = buf; |
164 | (void)sprintf(s,"%d",(int)gid); |
378cc40b |
165 | goto add_groups; |
166 | case ')': |
a687059c |
167 | s = buf; |
168 | (void)sprintf(s,"%d",(int)egid); |
378cc40b |
169 | add_groups: |
170 | while (*s) s++; |
171 | #ifdef GETGROUPS |
172 | #ifndef NGROUPS |
173 | #define NGROUPS 32 |
174 | #endif |
175 | { |
176 | GIDTYPE gary[NGROUPS]; |
177 | |
178 | i = getgroups(NGROUPS,gary); |
179 | while (--i >= 0) { |
a687059c |
180 | (void)sprintf(s," %ld", (long)gary[i]); |
378cc40b |
181 | while (*s) s++; |
182 | } |
183 | } |
184 | #endif |
a687059c |
185 | str_set(stab_val(stab),buf); |
8d063cd8 |
186 | break; |
187 | } |
a687059c |
188 | return stab_val(stab); |
8d063cd8 |
189 | } |
190 | |
a687059c |
191 | stabset(mstr,str) |
192 | register STR *mstr; |
8d063cd8 |
193 | STR *str; |
194 | { |
a687059c |
195 | STAB *stab = mstr->str_u.str_stab; |
8d063cd8 |
196 | char *s; |
197 | int i; |
663a0e37 |
198 | static handlertype sighandler(); |
8d063cd8 |
199 | |
a687059c |
200 | switch (mstr->str_rare) { |
201 | case 'E': |
202 | setenv(mstr->str_ptr,str_get(str)); |
203 | /* And you'll never guess what the dog had */ |
204 | break; /* in its mouth... */ |
205 | case 'S': |
206 | s = str_get(str); |
207 | i = whichsig(mstr->str_ptr); /* ...no, a brick */ |
208 | if (strEQ(s,"IGNORE")) |
209 | #ifndef lint |
210 | (void)signal(i,SIG_IGN); |
211 | #else |
212 | ; |
213 | #endif |
214 | else if (strEQ(s,"DEFAULT") || !*s) |
215 | (void)signal(i,SIG_DFL); |
216 | else |
217 | (void)signal(i,sighandler); |
218 | break; |
219 | #ifdef SOME_DBM |
220 | case 'D': |
221 | hdbmstore(stab_hash(stab),mstr->str_ptr,mstr->str_cur,str); |
222 | break; |
223 | #endif |
224 | case '#': |
225 | afill(stab_array(stab), (int)str_gnum(str) - arybase); |
226 | break; |
227 | case 'X': /* merely a copy of a * string */ |
228 | break; |
229 | case '*': |
230 | s = str_get(str); |
231 | if (strnNE(s,"Stab",4) || str->str_cur != sizeof(STBP)) { |
232 | if (!*s) { |
233 | STBP *stbp; |
234 | |
235 | (void)savenostab(stab); /* schedule a free of this stab */ |
236 | if (stab->str_len) |
237 | Safefree(stab->str_ptr); |
238 | Newz(601,stbp, 1, STBP); |
239 | stab->str_ptr = stbp; |
240 | stab->str_len = stab->str_cur = sizeof(STBP); |
241 | stab->str_pok = 1; |
242 | strncpy(stab_magic(stab),"Stab",4); |
243 | stab_val(stab) = Str_new(70,0); |
244 | stab_line(stab) = line; |
245 | } |
246 | else |
247 | stab = stabent(s,TRUE); |
248 | str_sset(str,stab); |
249 | } |
250 | break; |
251 | case 's': { |
252 | struct lstring *lstr = (struct lstring*)str; |
253 | |
254 | mstr->str_rare = 0; |
255 | str->str_magic = Nullstr; |
256 | str_insert(mstr,lstr->lstr_offset,lstr->lstr_len, |
257 | str->str_ptr,str->str_cur); |
258 | } |
259 | break; |
260 | |
261 | case 'v': |
262 | do_vecset(mstr,str); |
263 | break; |
264 | |
265 | case 0: |
266 | switch (*stab->str_magic->str_ptr) { |
8d063cd8 |
267 | case '^': |
a687059c |
268 | Safefree(stab_io(curoutstab)->top_name); |
269 | stab_io(curoutstab)->top_name = s = savestr(str_get(str)); |
270 | stab_io(curoutstab)->top_stab = stabent(s,TRUE); |
8d063cd8 |
271 | break; |
272 | case '~': |
a687059c |
273 | Safefree(stab_io(curoutstab)->fmt_name); |
274 | stab_io(curoutstab)->fmt_name = s = savestr(str_get(str)); |
275 | stab_io(curoutstab)->fmt_stab = stabent(s,TRUE); |
8d063cd8 |
276 | break; |
277 | case '=': |
a687059c |
278 | stab_io(curoutstab)->page_len = (long)str_gnum(str); |
8d063cd8 |
279 | break; |
280 | case '-': |
a687059c |
281 | stab_io(curoutstab)->lines_left = (long)str_gnum(str); |
282 | if (stab_io(curoutstab)->lines_left < 0L) |
283 | stab_io(curoutstab)->lines_left = 0L; |
8d063cd8 |
284 | break; |
285 | case '%': |
a687059c |
286 | stab_io(curoutstab)->page = (long)str_gnum(str); |
8d063cd8 |
287 | break; |
288 | case '|': |
a687059c |
289 | stab_io(curoutstab)->flags &= ~IOF_FLUSH; |
8d063cd8 |
290 | if (str_gnum(str) != 0.0) { |
a687059c |
291 | stab_io(curoutstab)->flags |= IOF_FLUSH; |
8d063cd8 |
292 | } |
293 | break; |
294 | case '*': |
a687059c |
295 | i = (int)str_gnum(str); |
296 | multiline = (i != 0); |
8d063cd8 |
297 | break; |
298 | case '/': |
299 | record_separator = *str_get(str); |
a687059c |
300 | rslen = str->str_cur; |
8d063cd8 |
301 | break; |
302 | case '\\': |
303 | if (ors) |
a687059c |
304 | Safefree(ors); |
8d063cd8 |
305 | ors = savestr(str_get(str)); |
a687059c |
306 | orslen = str->str_cur; |
8d063cd8 |
307 | break; |
308 | case ',': |
309 | if (ofs) |
a687059c |
310 | Safefree(ofs); |
8d063cd8 |
311 | ofs = savestr(str_get(str)); |
a687059c |
312 | ofslen = str->str_cur; |
8d063cd8 |
313 | break; |
314 | case '#': |
315 | if (ofmt) |
a687059c |
316 | Safefree(ofmt); |
8d063cd8 |
317 | ofmt = savestr(str_get(str)); |
318 | break; |
319 | case '[': |
320 | arybase = (int)str_gnum(str); |
321 | break; |
378cc40b |
322 | case '?': |
323 | statusvalue = (unsigned short)str_gnum(str); |
324 | break; |
8d063cd8 |
325 | case '!': |
326 | errno = (int)str_gnum(str); /* will anyone ever use this? */ |
327 | break; |
378cc40b |
328 | case '<': |
378cc40b |
329 | uid = (int)str_gnum(str); |
a687059c |
330 | #ifdef SETREUID |
331 | if (delaymagic) { |
332 | delaymagic |= DM_REUID; |
333 | break; /* don't do magic till later */ |
334 | } |
335 | #endif /* SETREUID */ |
336 | #ifdef SETRUID |
337 | if (setruid((UIDTYPE)uid) < 0) |
338 | uid = (int)getuid(); |
339 | #else |
340 | #ifdef SETREUID |
341 | if (setreuid((UIDTYPE)uid, (UIDTYPE)-1) < 0) |
378cc40b |
342 | uid = (int)getuid(); |
343 | #else |
344 | fatal("setruid() not implemented"); |
345 | #endif |
a687059c |
346 | #endif |
378cc40b |
347 | break; |
348 | case '>': |
378cc40b |
349 | euid = (int)str_gnum(str); |
a687059c |
350 | #ifdef SETREUID |
351 | if (delaymagic) { |
352 | delaymagic |= DM_REUID; |
353 | break; /* don't do magic till later */ |
354 | } |
355 | #endif /* SETREUID */ |
356 | #ifdef SETEUID |
357 | if (seteuid((UIDTYPE)euid) < 0) |
358 | euid = (int)geteuid(); |
359 | #else |
360 | #ifdef SETREUID |
361 | if (setreuid((UIDTYPE)-1, (UIDTYPE)euid) < 0) |
378cc40b |
362 | euid = (int)geteuid(); |
363 | #else |
364 | fatal("seteuid() not implemented"); |
365 | #endif |
a687059c |
366 | #endif |
378cc40b |
367 | break; |
368 | case '(': |
a687059c |
369 | gid = (int)str_gnum(str); |
370 | #ifdef SETREGID |
371 | if (delaymagic) { |
372 | delaymagic |= DM_REGID; |
373 | break; /* don't do magic till later */ |
374 | } |
375 | #endif /* SETREGID */ |
378cc40b |
376 | #ifdef SETRGID |
a687059c |
377 | (void)setrgid((GIDTYPE)gid); |
378 | #else |
379 | #ifdef SETREGID |
380 | (void)setregid((GIDTYPE)gid, (GIDTYPE)-1); |
378cc40b |
381 | #else |
382 | fatal("setrgid() not implemented"); |
383 | #endif |
a687059c |
384 | #endif |
378cc40b |
385 | break; |
386 | case ')': |
a687059c |
387 | egid = (int)str_gnum(str); |
388 | #ifdef SETREGID |
389 | if (delaymagic) { |
390 | delaymagic |= DM_REGID; |
391 | break; /* don't do magic till later */ |
392 | } |
393 | #endif /* SETREGID */ |
378cc40b |
394 | #ifdef SETEGID |
a687059c |
395 | (void)setegid((GIDTYPE)egid); |
396 | #else |
397 | #ifdef SETREGID |
398 | (void)setregid((GIDTYPE)-1, (GIDTYPE)egid); |
378cc40b |
399 | #else |
400 | fatal("setegid() not implemented"); |
401 | #endif |
a687059c |
402 | #endif |
403 | break; |
404 | case ':': |
405 | chopset = str_get(str); |
378cc40b |
406 | break; |
8d063cd8 |
407 | } |
a687059c |
408 | break; |
378cc40b |
409 | } |
8d063cd8 |
410 | } |
411 | |
378cc40b |
412 | whichsig(sig) |
413 | char *sig; |
8d063cd8 |
414 | { |
415 | register char **sigv; |
416 | |
417 | for (sigv = sig_name+1; *sigv; sigv++) |
378cc40b |
418 | if (strEQ(sig,*sigv)) |
8d063cd8 |
419 | return sigv - sig_name; |
a687059c |
420 | #ifdef SIGCLD |
421 | if (strEQ(sig,"CHLD")) |
422 | return SIGCLD; |
423 | #endif |
424 | #ifdef SIGCHLD |
425 | if (strEQ(sig,"CLD")) |
426 | return SIGCHLD; |
427 | #endif |
8d063cd8 |
428 | return 0; |
429 | } |
430 | |
663a0e37 |
431 | static handlertype |
8d063cd8 |
432 | sighandler(sig) |
433 | int sig; |
434 | { |
435 | STAB *stab; |
436 | ARRAY *savearray; |
437 | STR *str; |
378cc40b |
438 | char *oldfile = filename; |
439 | int oldsave = savestack->ary_fill; |
a687059c |
440 | ARRAY *oldstack = stack; |
378cc40b |
441 | SUBR *sub; |
8d063cd8 |
442 | |
a687059c |
443 | stab = stabent( |
444 | str_get(hfetch(stab_hash(sigstab),sig_name[sig],strlen(sig_name[sig]), |
445 | TRUE)), TRUE); |
446 | sub = stab_sub(stab); |
447 | if (!sub && *sig_name[sig] == 'C' && instr(sig_name[sig],"LD")) { |
448 | if (sig_name[sig][1] == 'H') |
449 | stab = stabent(str_get(hfetch(stab_hash(sigstab),"CLD",3,TRUE)), |
450 | TRUE); |
451 | else |
452 | stab = stabent(str_get(hfetch(stab_hash(sigstab),"CHLD",4,TRUE)), |
453 | TRUE); |
454 | sub = stab_sub(stab); /* gag */ |
455 | } |
378cc40b |
456 | if (!sub) { |
457 | if (dowarn) |
458 | warn("SIG%s handler \"%s\" not defined.\n", |
a687059c |
459 | sig_name[sig], stab_name(stab) ); |
378cc40b |
460 | return; |
461 | } |
a687059c |
462 | savearray = stab_xarray(defstab); |
463 | stab_xarray(defstab) = stack = anew(defstab); |
464 | stack->ary_flags = 0; |
465 | str = Str_new(71,0); |
8d063cd8 |
466 | str_set(str,sig_name[sig]); |
a687059c |
467 | (void)apush(stab_xarray(defstab),str); |
378cc40b |
468 | sub->depth++; |
469 | if (sub->depth >= 2) { /* save temporaries on recursion? */ |
470 | if (sub->depth == 100 && dowarn) |
a687059c |
471 | warn("Deep recursion on subroutine \"%s\"",stab_name(stab)); |
378cc40b |
472 | savelist(sub->tosave->ary_array,sub->tosave->ary_fill); |
473 | } |
474 | filename = sub->filename; |
475 | |
a687059c |
476 | (void)cmd_exec(sub->cmd,G_SCALAR,1); /* so do it already */ |
378cc40b |
477 | |
478 | sub->depth--; /* assuming no longjumps out of here */ |
a687059c |
479 | str_free(stack->ary_array[0]); /* free the one real string */ |
480 | afree(stab_xarray(defstab)); /* put back old $_[] */ |
481 | stab_xarray(defstab) = savearray; |
482 | stack = oldstack; |
378cc40b |
483 | filename = oldfile; |
484 | if (savestack->ary_fill > oldsave) |
485 | restorelist(oldsave); |
8d063cd8 |
486 | } |
487 | |
8d063cd8 |
488 | STAB * |
489 | aadd(stab) |
490 | register STAB *stab; |
491 | { |
a687059c |
492 | if (!stab_xarray(stab)) |
493 | stab_xarray(stab) = anew(stab); |
8d063cd8 |
494 | return stab; |
495 | } |
496 | |
497 | STAB * |
498 | hadd(stab) |
499 | register STAB *stab; |
500 | { |
a687059c |
501 | if (!stab_xhash(stab)) |
502 | stab_xhash(stab) = hnew(COEFFSIZE); |
8d063cd8 |
503 | return stab; |
504 | } |
378cc40b |
505 | |
506 | STAB * |
507 | stabent(name,add) |
508 | register char *name; |
509 | int add; |
510 | { |
511 | register STAB *stab; |
a687059c |
512 | register STBP *stbp; |
513 | int len; |
514 | register char *namend; |
515 | HASH *stash; |
516 | char *sawquote = Nullch; |
517 | char *prevquote = Nullch; |
518 | bool global = FALSE; |
378cc40b |
519 | |
a687059c |
520 | if (isascii(*name) && isupper(*name)) { |
521 | if (*name > 'I') { |
522 | if (*name == 'S' && ( |
523 | strEQ(name, "SIG") || |
524 | strEQ(name, "STDIN") || |
525 | strEQ(name, "STDOUT") || |
526 | strEQ(name, "STDERR") )) |
527 | global = TRUE; |
378cc40b |
528 | } |
a687059c |
529 | else if (*name > 'E') { |
530 | if (*name == 'I' && strEQ(name, "INC")) |
531 | global = TRUE; |
532 | } |
533 | else if (*name >= 'A') { |
534 | if (*name == 'E' && strEQ(name, "ENV")) |
535 | global = TRUE; |
536 | } |
537 | else if (*name == 'A' && ( |
538 | strEQ(name, "ARGV") || |
539 | strEQ(name, "ARGVOUT") )) |
540 | global = TRUE; |
541 | } |
542 | for (namend = name; *namend; namend++) { |
543 | if (*namend == '\'' && namend[1]) |
544 | prevquote = sawquote, sawquote = namend; |
545 | } |
546 | if (sawquote == name && name[1]) { |
547 | stash = defstash; |
548 | sawquote = Nullch; |
549 | name++; |
550 | } |
551 | else if (!isalpha(*name) || global) |
552 | stash = defstash; |
553 | else |
554 | stash = curstash; |
555 | if (sawquote) { |
556 | char tmpbuf[256]; |
557 | char *s, *d; |
558 | |
559 | *sawquote = '\0'; |
560 | if (s = prevquote) { |
561 | strncpy(tmpbuf,name,s-name+1); |
562 | d = tmpbuf+(s-name+1); |
563 | *d++ = '_'; |
564 | strcpy(d,s+1); |
565 | } |
566 | else { |
567 | *tmpbuf = '_'; |
568 | strcpy(tmpbuf+1,name); |
569 | } |
570 | stab = stabent(tmpbuf,TRUE); |
571 | if (!(stash = stab_xhash(stab))) |
572 | stash = stab_xhash(stab) = hnew(0); |
573 | name = sawquote+1; |
574 | *sawquote = '\''; |
378cc40b |
575 | } |
a687059c |
576 | len = namend - name; |
577 | stab = (STAB*)hfetch(stash,name,len,add); |
578 | if (!stab) |
579 | return Nullstab; |
580 | if (stab->str_pok) { |
581 | stab->str_pok |= SP_MULTI; |
582 | return stab; |
583 | } |
584 | else { |
585 | if (stab->str_len) |
586 | Safefree(stab->str_ptr); |
587 | Newz(602,stbp, 1, STBP); |
588 | stab->str_ptr = stbp; |
589 | stab->str_len = stab->str_cur = sizeof(STBP); |
590 | stab->str_pok = 1; |
591 | strncpy(stab_magic(stab),"Stab",4); |
592 | stab_val(stab) = Str_new(72,0); |
593 | stab_line(stab) = line; |
594 | str_magic(stab,stab,'*',name,len); |
378cc40b |
595 | return stab; |
596 | } |
378cc40b |
597 | } |
598 | |
599 | STIO * |
600 | stio_new() |
601 | { |
a687059c |
602 | STIO *stio; |
378cc40b |
603 | |
a687059c |
604 | Newz(603,stio,1,STIO); |
378cc40b |
605 | stio->page_len = 60; |
606 | return stio; |
607 | } |
608 | |
609 | stab_check(min,max) |
610 | int min; |
611 | register int max; |
612 | { |
a687059c |
613 | register HENT *entry; |
378cc40b |
614 | register int i; |
615 | register STAB *stab; |
616 | |
617 | for (i = min; i <= max; i++) { |
a687059c |
618 | for (entry = defstash->tbl_array[i]; entry; entry = entry->hent_next) { |
619 | stab = (STAB*)entry->hent_val; |
620 | if (stab->str_pok & SP_MULTI) |
378cc40b |
621 | continue; |
a687059c |
622 | line = stab_line(stab); |
623 | warn("Possible typo: \"%s\"", stab_name(stab)); |
378cc40b |
624 | } |
625 | } |
626 | } |
a687059c |
627 | |
628 | static int gensym = 0; |
629 | |
630 | STAB * |
631 | genstab() |
632 | { |
633 | (void)sprintf(tokenbuf,"_GEN_%d",gensym++); |
634 | return stabent(tokenbuf,TRUE); |
635 | } |
636 | |
637 | /* hopefully this is only called on local symbol table entries */ |
638 | |
639 | void |
640 | stab_clear(stab) |
641 | register STAB *stab; |
642 | { |
643 | STIO *stio; |
644 | SUBR *sub; |
645 | |
646 | afree(stab_xarray(stab)); |
647 | (void)hfree(stab_xhash(stab)); |
648 | str_free(stab_val(stab)); |
649 | if (stio = stab_io(stab)) { |
650 | do_close(stab,FALSE); |
651 | Safefree(stio->top_name); |
652 | Safefree(stio->fmt_name); |
653 | } |
654 | if (sub = stab_sub(stab)) { |
655 | afree(sub->tosave); |
656 | cmd_free(sub->cmd); |
657 | } |
658 | Safefree(stab->str_ptr); |
659 | stab->str_ptr = Null(STBP*); |
660 | stab->str_len = 0; |
661 | stab->str_cur = 0; |
662 | } |
663 | |