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634ae008 | 1 | static char *sccsid = "@(#)files.c 4.8 (Berkeley) 83/06/30"; |
fbf6641c BJ |
2 | /* UNIX DEPENDENT PROCEDURES */ |
3 | ||
4 | ||
5 | /* DEFAULT RULES FOR UNIX */ | |
6 | ||
7 | char *builtin[] = | |
8 | { | |
9 | #ifdef pwb | |
10 | ".SUFFIXES : .L .out .o .c .f .e .r .y .yr .ye .l .s .z .x .t .h .cl", | |
11 | #else | |
634ae008 | 12 | ".SUFFIXES : .out .o .c .F .f .e .r .y .yr .ye .l .s .cl .p", |
fbf6641c BJ |
13 | #endif |
14 | "YACC=yacc", | |
15 | "YACCR=yacc -r", | |
16 | "YACCE=yacc -e", | |
17 | "YFLAGS=", | |
18 | "LEX=lex", | |
19 | "LFLAGS=", | |
20 | "CC=cc", | |
824d99d6 | 21 | #if defined(vax) || defined(sun) |
fbf6641c BJ |
22 | "AS=as", |
23 | #else | |
24 | "AS=as -", | |
25 | #endif | |
26 | "PC=pc", | |
27 | "PFLAGS=", | |
28 | "CFLAGS=", | |
29 | "RC=f77", | |
30 | "RFLAGS=", | |
0609ddad | 31 | "FC=f77", |
fbf6641c BJ |
32 | "EFLAGS=", |
33 | "FFLAGS=", | |
34 | "LOADLIBES=", | |
35 | #ifdef pwb | |
36 | "SCOMP=scomp", | |
37 | "SCFLAGS=", | |
38 | "CMDICT=cmdict", | |
39 | "CMFLAGS=", | |
40 | #endif | |
41 | ||
42 | ".c.o :", | |
43 | "\t$(CC) $(CFLAGS) -c $<", | |
44 | ||
45 | ".p.o :", | |
46 | "\t$(PC) $(PFLAGS) -c $<", | |
47 | ||
48 | ".cl.o :", | |
49 | "\tclass -c $<", | |
50 | ||
16afe48d | 51 | ".e.o .r.o .F.o .f.o :", |
fbf6641c BJ |
52 | "\t$(FC) $(RFLAGS) $(EFLAGS) $(FFLAGS) -c $<", |
53 | ||
54 | ".s.o :", | |
55 | "\t$(AS) -o $@ $<", | |
56 | ||
57 | ".y.o :", | |
58 | "\t$(YACC) $(YFLAGS) $<", | |
59 | "\t$(CC) $(CFLAGS) -c y.tab.c", | |
60 | "\trm y.tab.c", | |
61 | "\tmv y.tab.o $@", | |
62 | ||
63 | ".yr.o:", | |
64 | "\t$(YACCR) $(YFLAGS) $<", | |
65 | "\t$(RC) $(RFLAGS) -c y.tab.r", | |
66 | "\trm y.tab.r", | |
67 | "\tmv y.tab.o $@", | |
68 | ||
69 | ".ye.o :", | |
70 | "\t$(YACCE) $(YFLAGS) $<", | |
71 | "\t$(EC) $(RFLAGS) -c y.tab.e", | |
72 | "\trm y.tab.e", | |
73 | "\tmv y.tab.o $@", | |
74 | ||
75 | ".l.o :", | |
76 | "\t$(LEX) $(LFLAGS) $<", | |
77 | "\t$(CC) $(CFLAGS) -c lex.yy.c", | |
78 | "\trm lex.yy.c", | |
79 | "\tmv lex.yy.o $@", | |
80 | ||
81 | ".y.c :", | |
82 | "\t$(YACC) $(YFLAGS) $<", | |
83 | "\tmv y.tab.c $@", | |
84 | ||
85 | ".l.c :", | |
86 | "\t$(LEX) $(LFLAGS) $<", | |
87 | "\tmv lex.yy.c $@", | |
88 | ||
89 | ".yr.r:", | |
90 | "\t$(YACCR) $(YFLAGS) $<", | |
91 | "\tmv y.tab.r $@", | |
92 | ||
93 | ".ye.e :", | |
94 | "\t$(YACCE) $(YFLAGS) $<", | |
95 | "\tmv y.tab.e $@", | |
96 | ||
97 | #ifdef pwb | |
98 | ".o.L .c.L .t.L:", | |
99 | "\t$(SCOMP) $(SCFLAGS) $<", | |
100 | ||
101 | ".t.o:", | |
102 | "\t$(SCOMP) $(SCFLAGS) -c $<", | |
103 | ||
104 | ".t.c:", | |
105 | "\t$(SCOMP) $(SCFLAGS) -t $<", | |
106 | ||
107 | ".h.z .t.z:", | |
108 | "\t$(CMDICT) $(CMFLAGS) $<", | |
109 | ||
110 | ".h.x .t.x:", | |
111 | "\t$(CMDICT) $(CMFLAGS) -c $<", | |
112 | #endif | |
113 | ||
114 | ".s.out .c.out .o.out :", | |
115 | "\t$(CC) $(CFLAGS) $< $(LOADLIBES) -o $@", | |
116 | ||
16afe48d | 117 | ".f.out .F.out .r.out .e.out :", |
fbf6641c BJ |
118 | "\t$(FC) $(EFLAGS) $(RFLAGS) $(FFLAGS) $< $(LOADLIBES) -o $@", |
119 | "\t-rm $*.o", | |
120 | ||
121 | ".y.out :", | |
122 | "\t$(YACC) $(YFLAGS) $<", | |
123 | "\t$(CC) $(CFLAGS) y.tab.c $(LOADLIBES) -ly -o $@", | |
124 | "\trm y.tab.c", | |
125 | ||
126 | ".l.out :", | |
127 | "\t$(LEX) $(LFLAGS) $<", | |
128 | "\t$(CC) $(CFLAGS) lex.yy.c $(LOADLIBES) -ll -o $@", | |
129 | "\trm lex.yy.c", | |
130 | ||
131 | 0 }; | |
132 | \f | |
133 | #include "defs" | |
fbf6641c BJ |
134 | |
135 | ||
136 | TIMETYPE exists(filename) | |
137 | char *filename; | |
138 | { | |
139 | #include <sys/stat.h> | |
140 | struct stat buf; | |
141 | register char *s; | |
142 | TIMETYPE lookarch(); | |
143 | ||
144 | for(s = filename ; *s!='\0' && *s!='(' ; ++s) | |
145 | ; | |
146 | ||
147 | if(*s == '(') | |
148 | return(lookarch(filename)); | |
149 | ||
0e7207aa | 150 | if (stat(filename, &buf) < 0) |
fbf6641c BJ |
151 | return(0); |
152 | else return(buf.st_mtime); | |
153 | } | |
154 | ||
155 | ||
156 | TIMETYPE prestime() | |
157 | { | |
158 | TIMETYPE t; | |
159 | time(&t); | |
160 | return(t); | |
161 | } | |
162 | ||
163 | \f | |
164 | ||
b342e078 KM |
165 | FSTATIC char nbuf[MAXNAMLEN + 1]; |
166 | FSTATIC char *nbufend = &nbuf[MAXNAMLEN]; | |
fbf6641c BJ |
167 | |
168 | ||
169 | ||
170 | struct depblock *srchdir(pat, mkchain, nextdbl) | |
171 | register char *pat; /* pattern to be matched in directory */ | |
172 | int mkchain; /* nonzero if results to be remembered */ | |
173 | struct depblock *nextdbl; /* final value for chain */ | |
174 | { | |
b342e078 | 175 | DIR *dirf; |
fbf6641c BJ |
176 | register int i; |
177 | int nread, cldir; | |
178 | char *dirname, *dirpref, *endir, *filepat, *p, temp[100]; | |
179 | char fullname[100], *p1, *p2; | |
180 | struct nameblock *q; | |
181 | struct depblock *thisdbl; | |
b342e078 | 182 | struct dirhdr *od; |
fbf6641c BJ |
183 | struct pattern *patp; |
184 | ||
b342e078 | 185 | struct direct *dptr; |
fbf6641c BJ |
186 | |
187 | ||
188 | thisdbl = 0; | |
189 | ||
190 | if(mkchain == NO) | |
191 | for(patp=firstpat ; patp ; patp = patp->nxtpattern) | |
192 | if(! unequal(pat, patp->patval)) return(0); | |
193 | ||
194 | patp = ALLOC(pattern); | |
195 | patp->nxtpattern = firstpat; | |
196 | firstpat = patp; | |
197 | patp->patval = copys(pat); | |
198 | ||
199 | endir = 0; | |
200 | ||
201 | for(p=pat; *p!='\0'; ++p) | |
202 | if(*p=='/') endir = p; | |
203 | ||
204 | if(endir==0) | |
205 | { | |
206 | dirname = "."; | |
207 | dirpref = ""; | |
208 | filepat = pat; | |
209 | } | |
210 | else { | |
211 | dirname = pat; | |
212 | *endir = '\0'; | |
213 | dirpref = concat(dirname, "/", temp); | |
214 | filepat = endir+1; | |
215 | } | |
216 | ||
217 | dirf = NULL; | |
218 | cldir = NO; | |
219 | ||
220 | for(od = firstod; od; od = od->nxtopendir) | |
221 | if(! unequal(dirname, od->dirn) ) | |
222 | { | |
223 | dirf = od->dirfc; | |
b342e078 KM |
224 | if (dirf != NULL) |
225 | rewinddir(dirf); /* start over at the beginning */ | |
fbf6641c BJ |
226 | break; |
227 | } | |
228 | ||
229 | if(dirf == NULL) | |
230 | { | |
b342e078 | 231 | dirf = opendir(dirname); |
fbf6641c BJ |
232 | if(nopdir >= MAXDIR) |
233 | cldir = YES; | |
234 | else { | |
235 | ++nopdir; | |
b342e078 | 236 | od = ALLOC(dirhdr); |
fbf6641c BJ |
237 | od->nxtopendir = firstod; |
238 | firstod = od; | |
239 | od->dirfc = dirf; | |
240 | od->dirn = copys(dirname); | |
241 | } | |
242 | } | |
243 | ||
244 | if(dirf == NULL) | |
245 | { | |
246 | fprintf(stderr, "Directory %s: ", dirname); | |
247 | fatal("Cannot open"); | |
248 | } | |
249 | ||
b342e078 | 250 | else for (dptr = readdir(dirf); dptr != NULL; dptr = readdir(dirf)) |
fbf6641c | 251 | { |
b342e078 KM |
252 | p1 = dptr->d_name; |
253 | p2 = nbuf; | |
254 | while( (p2<nbufend) && (*p2++ = *p1++)!='\0' ) | |
255 | /* void */; | |
256 | if( amatch(nbuf,filepat) ) | |
257 | { | |
258 | concat(dirpref,nbuf,fullname); | |
259 | if( (q=srchname(fullname)) ==0) | |
260 | q = makename(copys(fullname)); | |
261 | if(mkchain) | |
fbf6641c | 262 | { |
b342e078 KM |
263 | thisdbl = ALLOC(depblock); |
264 | thisdbl->nxtdepblock = nextdbl; | |
265 | thisdbl->depname = q; | |
266 | nextdbl = thisdbl; | |
fbf6641c | 267 | } |
b342e078 KM |
268 | } |
269 | } | |
fbf6641c BJ |
270 | |
271 | if(endir != 0) *endir = '/'; | |
272 | ||
b342e078 KM |
273 | if(cldir) { |
274 | closedir(dirf); | |
275 | dirf = NULL; | |
276 | } | |
fbf6641c BJ |
277 | return(thisdbl); |
278 | } | |
279 | \f | |
280 | /* stolen from glob through find */ | |
281 | ||
282 | static amatch(s, p) | |
283 | char *s, *p; | |
284 | { | |
285 | register int cc, scc, k; | |
286 | int c, lc; | |
287 | ||
288 | scc = *s; | |
289 | lc = 077777; | |
290 | switch (c = *p) { | |
291 | ||
292 | case '[': | |
293 | k = 0; | |
294 | while (cc = *++p) { | |
295 | switch (cc) { | |
296 | ||
297 | case ']': | |
298 | if (k) | |
299 | return(amatch(++s, ++p)); | |
300 | else | |
301 | return(0); | |
302 | ||
303 | case '-': | |
304 | k |= (lc <= scc) & (scc <= (cc=p[1]) ) ; | |
305 | } | |
306 | if (scc==(lc=cc)) k++; | |
307 | } | |
308 | return(0); | |
309 | ||
310 | case '?': | |
311 | caseq: | |
312 | if(scc) return(amatch(++s, ++p)); | |
313 | return(0); | |
314 | case '*': | |
315 | return(umatch(s, ++p)); | |
316 | case 0: | |
317 | return(!scc); | |
318 | } | |
319 | if (c==scc) goto caseq; | |
320 | return(0); | |
321 | } | |
322 | ||
323 | static umatch(s, p) | |
324 | char *s, *p; | |
325 | { | |
326 | if(*p==0) return(1); | |
327 | while(*s) | |
328 | if (amatch(s++,p)) return(1); | |
329 | return(0); | |
330 | } | |
331 | \f | |
332 | #ifdef METERFILE | |
333 | #include <pwd.h> | |
334 | int meteron = 0; /* default: metering off */ | |
335 | ||
336 | meter(file) | |
337 | char *file; | |
338 | { | |
339 | TIMETYPE tvec; | |
340 | char *p, *ctime(); | |
341 | FILE * mout; | |
342 | struct passwd *pwd, *getpwuid(); | |
343 | ||
344 | if(file==0 || meteron==0) return; | |
345 | ||
346 | pwd = getpwuid(getuid()); | |
347 | ||
348 | time(&tvec); | |
349 | ||
350 | if( (mout=fopen(file,"a")) != NULL ) | |
351 | { | |
352 | p = ctime(&tvec); | |
353 | p[16] = '\0'; | |
354 | fprintf(mout,"User %s, %s\n",pwd->pw_name,p+4); | |
355 | fclose(mout); | |
356 | } | |
357 | } | |
358 | #endif | |
359 | \f | |
360 | ||
361 | /* look inside archives for notations a(b) and a((b)) | |
362 | a(b) is file member b in archive a | |
363 | a((b)) is entry point _b in object archive a | |
364 | */ | |
365 | ||
366 | #ifdef ASCARCH | |
367 | # include <ar.h> | |
368 | #else | |
369 | # include <ar.h> | |
370 | #endif | |
371 | #include <a.out.h> | |
372 | ||
373 | static long arflen; | |
374 | static long arfdate; | |
375 | static char arfname[16]; | |
376 | FILE *arfd; | |
377 | long int arpos, arlen; | |
378 | ||
379 | static struct exec objhead; | |
380 | ||
381 | static struct nlist objentry; | |
382 | ||
383 | ||
384 | TIMETYPE lookarch(filename) | |
385 | char *filename; | |
386 | { | |
b342e078 | 387 | char *p, *q, *send, s[MAXNAMLEN + 1]; |
fbf6641c BJ |
388 | int i, nc, nsym, objarch; |
389 | ||
390 | for(p = filename; *p!= '(' ; ++p) | |
391 | ; | |
392 | *p = '\0'; | |
393 | openarch(filename); | |
394 | *p++ = '('; | |
395 | ||
396 | if(*p == '(') | |
397 | { | |
398 | objarch = YES; | |
399 | nc = 8; | |
400 | ++p; | |
401 | } | |
402 | else | |
403 | { | |
404 | objarch = NO; | |
b342e078 | 405 | nc = MAXNAMLEN; |
fbf6641c BJ |
406 | } |
407 | send = s + nc; | |
408 | ||
409 | for( q = s ; q<send && *p!='\0' && *p!=')' ; *q++ = *p++ ) | |
410 | ; | |
411 | while(q < send) | |
412 | *q++ = '\0'; | |
413 | while(getarch()) | |
414 | { | |
415 | if(objarch) | |
416 | { | |
417 | getobj(); | |
418 | nsym = objhead.a_syms / sizeof(objentry); | |
419 | for(i = 0; i<nsym ; ++i) | |
420 | { | |
421 | fread( (char *) &objentry, sizeof(objentry),1,arfd); | |
422 | if( (objentry.n_type & N_EXT) | |
423 | && ((objentry.n_type & ~N_EXT) || objentry.n_value) | |
424 | && eqstr(objentry.n_un.n_name,s,nc)) | |
425 | { | |
426 | clarch(); | |
427 | return(arfdate); | |
428 | } | |
429 | } | |
430 | } | |
431 | ||
432 | else if( eqstr(arfname, s, nc)) | |
433 | { | |
434 | clarch(); | |
435 | return(arfdate); | |
436 | } | |
437 | } | |
438 | ||
439 | clarch(); | |
440 | return( 0L); | |
441 | } | |
442 | ||
443 | ||
444 | clarch() | |
445 | { | |
446 | fclose( arfd ); | |
447 | } | |
448 | ||
449 | ||
450 | openarch(f) | |
451 | register char *f; | |
452 | { | |
453 | #ifdef ASCARCH | |
454 | char magic[SARMAG]; | |
455 | #endif | |
456 | int word; | |
457 | #include <sys/stat.h> | |
458 | struct stat buf; | |
459 | ||
460 | stat(f, &buf); | |
461 | arlen = buf.st_size; | |
462 | ||
463 | arfd = fopen(f, "r"); | |
464 | if(arfd == NULL) | |
465 | fatal1("cannot open %s", f); | |
466 | ||
467 | fread( (char *) &word, sizeof(word), 1, arfd); | |
468 | #ifdef ASCARCH | |
469 | fseek(arfd, 0L, 0); | |
470 | fread(magic, SARMAG, 1, arfd); | |
471 | arpos = SARMAG; | |
472 | if( ! eqstr(magic, ARMAG, SARMAG) ) | |
473 | #else | |
474 | arpos = sizeof(word); | |
475 | if(word != ARMAG) | |
476 | #endif | |
477 | fatal1("%s is not an archive", f); | |
478 | ||
479 | arflen = 0; | |
480 | } | |
481 | ||
482 | ||
483 | ||
484 | getarch() | |
485 | { | |
486 | struct ar_hdr arhead; | |
487 | long atol(); | |
488 | ||
489 | arpos += (arflen + 1) & ~1L; /* round archived file length up to even */ | |
490 | if(arpos >= arlen) | |
491 | return(0); | |
492 | fseek(arfd, arpos, 0); | |
493 | ||
494 | fread( (char *) &arhead, sizeof(arhead), 1, arfd); | |
495 | arpos += sizeof(arhead); | |
496 | #ifdef ASCARCH | |
497 | arflen = atol(arhead.ar_size); | |
498 | arfdate = atol(arhead.ar_date); | |
499 | #else | |
500 | arflen = arhead.ar_size; | |
501 | arfdate = arhead.ar_date; | |
502 | #endif | |
503 | strncpy(arfname, arhead.ar_name, sizeof(arhead.ar_name)); | |
504 | return(1); | |
505 | } | |
506 | ||
507 | ||
508 | getobj() | |
509 | { | |
510 | long int skip; | |
511 | ||
512 | fread( (char *) &objhead, sizeof(objhead), 1, arfd); | |
513 | if (N_BADMAG(objhead)) | |
514 | fatal1("%s is not an object module", arfname); | |
515 | skip = objhead.a_text + objhead.a_data; | |
824d99d6 | 516 | #if defined(vax) || defined(sun) |
fbf6641c BJ |
517 | skip += objhead.a_trsize + objhead.a_drsize; |
518 | #else | |
519 | if(! objhead.a_flag ) | |
520 | skip *= 2; | |
521 | #endif | |
522 | fseek(arfd, skip, 1); | |
523 | } | |
524 | ||
525 | ||
526 | eqstr(a,b,n) | |
527 | register char *a, *b; | |
528 | int n; | |
529 | { | |
530 | register int i; | |
531 | for(i = 0 ; i < n ; ++i) | |
532 | if(*a++ != *b++) | |
533 | return(NO); | |
534 | return(YES); | |
535 | } |