Commit | Line | Data |
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76ed2017 | 1 | static char *sccsid = "@(#)files.c 4.14 (Berkeley) 86/10/13"; |
5ec84434 RC |
2 | #include <fcntl.h> |
3 | ||
fbf6641c BJ |
4 | /* UNIX DEPENDENT PROCEDURES */ |
5 | ||
6 | ||
7 | /* DEFAULT RULES FOR UNIX */ | |
8 | ||
9 | char *builtin[] = | |
10 | { | |
11 | #ifdef pwb | |
12 | ".SUFFIXES : .L .out .o .c .f .e .r .y .yr .ye .l .s .z .x .t .h .cl", | |
13 | #else | |
634ae008 | 14 | ".SUFFIXES : .out .o .c .F .f .e .r .y .yr .ye .l .s .cl .p", |
fbf6641c BJ |
15 | #endif |
16 | "YACC=yacc", | |
17 | "YACCR=yacc -r", | |
18 | "YACCE=yacc -e", | |
19 | "YFLAGS=", | |
20 | "LEX=lex", | |
21 | "LFLAGS=", | |
22 | "CC=cc", | |
76ed2017 | 23 | #if defined(vax) || defined(sun) || defined(tahoe) |
fbf6641c BJ |
24 | "AS=as", |
25 | #else | |
26 | "AS=as -", | |
27 | #endif | |
28 | "PC=pc", | |
29 | "PFLAGS=", | |
30 | "CFLAGS=", | |
31 | "RC=f77", | |
32 | "RFLAGS=", | |
0609ddad | 33 | "FC=f77", |
fbf6641c BJ |
34 | "EFLAGS=", |
35 | "FFLAGS=", | |
36 | "LOADLIBES=", | |
37 | #ifdef pwb | |
38 | "SCOMP=scomp", | |
39 | "SCFLAGS=", | |
40 | "CMDICT=cmdict", | |
41 | "CMFLAGS=", | |
42 | #endif | |
43 | ||
44 | ".c.o :", | |
45 | "\t$(CC) $(CFLAGS) -c $<", | |
46 | ||
47 | ".p.o :", | |
48 | "\t$(PC) $(PFLAGS) -c $<", | |
49 | ||
50 | ".cl.o :", | |
51 | "\tclass -c $<", | |
52 | ||
16afe48d | 53 | ".e.o .r.o .F.o .f.o :", |
fbf6641c BJ |
54 | "\t$(FC) $(RFLAGS) $(EFLAGS) $(FFLAGS) -c $<", |
55 | ||
56 | ".s.o :", | |
57 | "\t$(AS) -o $@ $<", | |
58 | ||
59 | ".y.o :", | |
60 | "\t$(YACC) $(YFLAGS) $<", | |
61 | "\t$(CC) $(CFLAGS) -c y.tab.c", | |
62 | "\trm y.tab.c", | |
63 | "\tmv y.tab.o $@", | |
64 | ||
65 | ".yr.o:", | |
66 | "\t$(YACCR) $(YFLAGS) $<", | |
67 | "\t$(RC) $(RFLAGS) -c y.tab.r", | |
68 | "\trm y.tab.r", | |
69 | "\tmv y.tab.o $@", | |
70 | ||
71 | ".ye.o :", | |
72 | "\t$(YACCE) $(YFLAGS) $<", | |
73 | "\t$(EC) $(RFLAGS) -c y.tab.e", | |
74 | "\trm y.tab.e", | |
75 | "\tmv y.tab.o $@", | |
76 | ||
77 | ".l.o :", | |
78 | "\t$(LEX) $(LFLAGS) $<", | |
79 | "\t$(CC) $(CFLAGS) -c lex.yy.c", | |
80 | "\trm lex.yy.c", | |
81 | "\tmv lex.yy.o $@", | |
82 | ||
83 | ".y.c :", | |
84 | "\t$(YACC) $(YFLAGS) $<", | |
85 | "\tmv y.tab.c $@", | |
86 | ||
87 | ".l.c :", | |
88 | "\t$(LEX) $(LFLAGS) $<", | |
89 | "\tmv lex.yy.c $@", | |
90 | ||
91 | ".yr.r:", | |
92 | "\t$(YACCR) $(YFLAGS) $<", | |
93 | "\tmv y.tab.r $@", | |
94 | ||
95 | ".ye.e :", | |
96 | "\t$(YACCE) $(YFLAGS) $<", | |
97 | "\tmv y.tab.e $@", | |
98 | ||
99 | #ifdef pwb | |
100 | ".o.L .c.L .t.L:", | |
101 | "\t$(SCOMP) $(SCFLAGS) $<", | |
102 | ||
103 | ".t.o:", | |
104 | "\t$(SCOMP) $(SCFLAGS) -c $<", | |
105 | ||
106 | ".t.c:", | |
107 | "\t$(SCOMP) $(SCFLAGS) -t $<", | |
108 | ||
109 | ".h.z .t.z:", | |
110 | "\t$(CMDICT) $(CMFLAGS) $<", | |
111 | ||
112 | ".h.x .t.x:", | |
113 | "\t$(CMDICT) $(CMFLAGS) -c $<", | |
114 | #endif | |
115 | ||
116 | ".s.out .c.out .o.out :", | |
117 | "\t$(CC) $(CFLAGS) $< $(LOADLIBES) -o $@", | |
118 | ||
16afe48d | 119 | ".f.out .F.out .r.out .e.out :", |
fbf6641c BJ |
120 | "\t$(FC) $(EFLAGS) $(RFLAGS) $(FFLAGS) $< $(LOADLIBES) -o $@", |
121 | "\t-rm $*.o", | |
122 | ||
123 | ".y.out :", | |
124 | "\t$(YACC) $(YFLAGS) $<", | |
125 | "\t$(CC) $(CFLAGS) y.tab.c $(LOADLIBES) -ly -o $@", | |
126 | "\trm y.tab.c", | |
127 | ||
128 | ".l.out :", | |
129 | "\t$(LEX) $(LFLAGS) $<", | |
130 | "\t$(CC) $(CFLAGS) lex.yy.c $(LOADLIBES) -ll -o $@", | |
131 | "\trm lex.yy.c", | |
132 | ||
133 | 0 }; | |
134 | \f | |
135 | #include "defs" | |
a10b24d4 | 136 | #include <sys/stat.h> |
fbf6641c BJ |
137 | |
138 | ||
a10b24d4 KM |
139 | |
140 | TIMETYPE | |
141 | exists(pname) | |
142 | struct nameblock *pname; | |
fbf6641c | 143 | { |
fbf6641c | 144 | struct stat buf; |
a10b24d4 | 145 | register char *s, *filename; |
fbf6641c | 146 | TIMETYPE lookarch(); |
a10b24d4 KM |
147 | extern char *findfl(); |
148 | ||
149 | filename = pname->namep; | |
fbf6641c BJ |
150 | |
151 | for(s = filename ; *s!='\0' && *s!='(' ; ++s) | |
152 | ; | |
153 | ||
154 | if(*s == '(') | |
155 | return(lookarch(filename)); | |
156 | ||
0e7207aa | 157 | if (stat(filename, &buf) < 0) |
a10b24d4 KM |
158 | { |
159 | s = findfl(filename); | |
160 | if(s != (char *)-1) | |
161 | { | |
162 | pname->alias = copys(s); | |
163 | if(stat(pname->alias, &buf) == 0) | |
164 | return(buf.st_mtime); | |
165 | } | |
fbf6641c | 166 | return(0); |
a10b24d4 | 167 | } |
fbf6641c BJ |
168 | else return(buf.st_mtime); |
169 | } | |
170 | ||
171 | ||
172 | TIMETYPE prestime() | |
173 | { | |
174 | TIMETYPE t; | |
175 | time(&t); | |
176 | return(t); | |
177 | } | |
178 | ||
179 | \f | |
180 | ||
b342e078 KM |
181 | FSTATIC char nbuf[MAXNAMLEN + 1]; |
182 | FSTATIC char *nbufend = &nbuf[MAXNAMLEN]; | |
fbf6641c BJ |
183 | |
184 | ||
185 | ||
186 | struct depblock *srchdir(pat, mkchain, nextdbl) | |
187 | register char *pat; /* pattern to be matched in directory */ | |
188 | int mkchain; /* nonzero if results to be remembered */ | |
189 | struct depblock *nextdbl; /* final value for chain */ | |
190 | { | |
b342e078 | 191 | DIR *dirf; |
fbf6641c BJ |
192 | register int i; |
193 | int nread, cldir; | |
dbf5cc74 JB |
194 | char *dirname, *dirpref, *endir, *filepat, *p, temp[BUFSIZ]; |
195 | char fullname[BUFSIZ], *p1, *p2; | |
fbf6641c BJ |
196 | struct nameblock *q; |
197 | struct depblock *thisdbl; | |
b342e078 | 198 | struct dirhdr *od; |
fbf6641c | 199 | struct pattern *patp; |
a10b24d4 | 200 | struct varblock *cp, *varptr(); |
dbf5cc74 | 201 | char *path, pth[BUFSIZ], *strcpy(); |
b342e078 | 202 | struct direct *dptr; |
fbf6641c BJ |
203 | |
204 | ||
205 | thisdbl = 0; | |
206 | ||
207 | if(mkchain == NO) | |
208 | for(patp=firstpat ; patp ; patp = patp->nxtpattern) | |
209 | if(! unequal(pat, patp->patval)) return(0); | |
210 | ||
211 | patp = ALLOC(pattern); | |
212 | patp->nxtpattern = firstpat; | |
213 | firstpat = patp; | |
214 | patp->patval = copys(pat); | |
215 | ||
216 | endir = 0; | |
217 | ||
218 | for(p=pat; *p!='\0'; ++p) | |
219 | if(*p=='/') endir = p; | |
220 | ||
221 | if(endir==0) | |
222 | { | |
fbf6641c BJ |
223 | dirpref = ""; |
224 | filepat = pat; | |
a10b24d4 KM |
225 | cp = varptr("VPATH"); |
226 | if (*cp->varval == 0) path = "."; | |
227 | else { | |
228 | path = pth; | |
229 | *path = '\0'; | |
d14eaed2 | 230 | if (strncmp(cp->varval, ".:", 2) != 0) strcpy(pth,".:"); |
a10b24d4 KM |
231 | strcat(pth, cp->varval); |
232 | } | |
fbf6641c BJ |
233 | } |
234 | else { | |
fbf6641c | 235 | *endir = '\0'; |
a10b24d4 KM |
236 | path = strcpy(pth, pat); |
237 | dirpref = concat(pat, "/", temp); | |
fbf6641c BJ |
238 | filepat = endir+1; |
239 | } | |
240 | ||
a10b24d4 KM |
241 | while (*path) { /* Loop thru each VPATH directory */ |
242 | dirname = path; | |
243 | for (; *path; path++) | |
244 | if (*path == ':') { | |
245 | *path++ = '\0'; | |
246 | break; | |
247 | } | |
248 | ||
fbf6641c BJ |
249 | dirf = NULL; |
250 | cldir = NO; | |
251 | ||
252 | for(od = firstod; od; od = od->nxtopendir) | |
253 | if(! unequal(dirname, od->dirn) ) | |
254 | { | |
255 | dirf = od->dirfc; | |
b342e078 KM |
256 | if (dirf != NULL) |
257 | rewinddir(dirf); /* start over at the beginning */ | |
fbf6641c BJ |
258 | break; |
259 | } | |
260 | ||
261 | if(dirf == NULL) | |
262 | { | |
b342e078 | 263 | dirf = opendir(dirname); |
fbf6641c BJ |
264 | if(nopdir >= MAXDIR) |
265 | cldir = YES; | |
266 | else { | |
267 | ++nopdir; | |
b342e078 | 268 | od = ALLOC(dirhdr); |
fbf6641c BJ |
269 | od->nxtopendir = firstod; |
270 | firstod = od; | |
271 | od->dirfc = dirf; | |
272 | od->dirn = copys(dirname); | |
5ec84434 | 273 | fcntl(dirf->dd_fd, F_SETFD, 1); |
fbf6641c BJ |
274 | } |
275 | } | |
276 | ||
277 | if(dirf == NULL) | |
278 | { | |
279 | fprintf(stderr, "Directory %s: ", dirname); | |
280 | fatal("Cannot open"); | |
281 | } | |
282 | ||
b342e078 | 283 | else for (dptr = readdir(dirf); dptr != NULL; dptr = readdir(dirf)) |
fbf6641c | 284 | { |
b342e078 KM |
285 | p1 = dptr->d_name; |
286 | p2 = nbuf; | |
287 | while( (p2<nbufend) && (*p2++ = *p1++)!='\0' ) | |
288 | /* void */; | |
289 | if( amatch(nbuf,filepat) ) | |
290 | { | |
291 | concat(dirpref,nbuf,fullname); | |
292 | if( (q=srchname(fullname)) ==0) | |
293 | q = makename(copys(fullname)); | |
294 | if(mkchain) | |
fbf6641c | 295 | { |
b342e078 KM |
296 | thisdbl = ALLOC(depblock); |
297 | thisdbl->nxtdepblock = nextdbl; | |
298 | thisdbl->depname = q; | |
299 | nextdbl = thisdbl; | |
fbf6641c | 300 | } |
b342e078 KM |
301 | } |
302 | } | |
fbf6641c BJ |
303 | |
304 | if(endir != 0) *endir = '/'; | |
305 | ||
b342e078 KM |
306 | if(cldir) { |
307 | closedir(dirf); | |
308 | dirf = NULL; | |
309 | } | |
a10b24d4 | 310 | } /* End of VPATH loop */ |
fbf6641c BJ |
311 | return(thisdbl); |
312 | } | |
313 | \f | |
314 | /* stolen from glob through find */ | |
315 | ||
316 | static amatch(s, p) | |
317 | char *s, *p; | |
318 | { | |
319 | register int cc, scc, k; | |
320 | int c, lc; | |
321 | ||
322 | scc = *s; | |
323 | lc = 077777; | |
324 | switch (c = *p) { | |
325 | ||
326 | case '[': | |
327 | k = 0; | |
328 | while (cc = *++p) { | |
329 | switch (cc) { | |
330 | ||
331 | case ']': | |
332 | if (k) | |
333 | return(amatch(++s, ++p)); | |
334 | else | |
335 | return(0); | |
336 | ||
337 | case '-': | |
338 | k |= (lc <= scc) & (scc <= (cc=p[1]) ) ; | |
339 | } | |
340 | if (scc==(lc=cc)) k++; | |
341 | } | |
342 | return(0); | |
343 | ||
344 | case '?': | |
345 | caseq: | |
346 | if(scc) return(amatch(++s, ++p)); | |
347 | return(0); | |
348 | case '*': | |
349 | return(umatch(s, ++p)); | |
350 | case 0: | |
351 | return(!scc); | |
352 | } | |
353 | if (c==scc) goto caseq; | |
354 | return(0); | |
355 | } | |
356 | ||
357 | static umatch(s, p) | |
358 | char *s, *p; | |
359 | { | |
360 | if(*p==0) return(1); | |
361 | while(*s) | |
362 | if (amatch(s++,p)) return(1); | |
363 | return(0); | |
364 | } | |
365 | \f | |
366 | #ifdef METERFILE | |
367 | #include <pwd.h> | |
368 | int meteron = 0; /* default: metering off */ | |
369 | ||
370 | meter(file) | |
371 | char *file; | |
372 | { | |
373 | TIMETYPE tvec; | |
374 | char *p, *ctime(); | |
375 | FILE * mout; | |
376 | struct passwd *pwd, *getpwuid(); | |
377 | ||
378 | if(file==0 || meteron==0) return; | |
379 | ||
380 | pwd = getpwuid(getuid()); | |
381 | ||
382 | time(&tvec); | |
383 | ||
384 | if( (mout=fopen(file,"a")) != NULL ) | |
385 | { | |
386 | p = ctime(&tvec); | |
387 | p[16] = '\0'; | |
388 | fprintf(mout,"User %s, %s\n",pwd->pw_name,p+4); | |
389 | fclose(mout); | |
390 | } | |
391 | } | |
392 | #endif | |
393 | \f | |
394 | ||
395 | /* look inside archives for notations a(b) and a((b)) | |
396 | a(b) is file member b in archive a | |
397 | a((b)) is entry point _b in object archive a | |
398 | */ | |
399 | ||
400 | #ifdef ASCARCH | |
401 | # include <ar.h> | |
402 | #else | |
403 | # include <ar.h> | |
404 | #endif | |
405 | #include <a.out.h> | |
406 | ||
407 | static long arflen; | |
408 | static long arfdate; | |
409 | static char arfname[16]; | |
410 | FILE *arfd; | |
411 | long int arpos, arlen; | |
412 | ||
413 | static struct exec objhead; | |
414 | ||
415 | static struct nlist objentry; | |
416 | ||
417 | ||
418 | TIMETYPE lookarch(filename) | |
419 | char *filename; | |
420 | { | |
b342e078 | 421 | char *p, *q, *send, s[MAXNAMLEN + 1]; |
fbf6641c BJ |
422 | int i, nc, nsym, objarch; |
423 | ||
424 | for(p = filename; *p!= '(' ; ++p) | |
425 | ; | |
426 | *p = '\0'; | |
427 | openarch(filename); | |
428 | *p++ = '('; | |
429 | ||
430 | if(*p == '(') | |
431 | { | |
432 | objarch = YES; | |
433 | nc = 8; | |
434 | ++p; | |
435 | } | |
436 | else | |
437 | { | |
438 | objarch = NO; | |
b342e078 | 439 | nc = MAXNAMLEN; |
fbf6641c BJ |
440 | } |
441 | send = s + nc; | |
442 | ||
443 | for( q = s ; q<send && *p!='\0' && *p!=')' ; *q++ = *p++ ) | |
444 | ; | |
445 | while(q < send) | |
446 | *q++ = '\0'; | |
447 | while(getarch()) | |
448 | { | |
449 | if(objarch) | |
450 | { | |
451 | getobj(); | |
452 | nsym = objhead.a_syms / sizeof(objentry); | |
453 | for(i = 0; i<nsym ; ++i) | |
454 | { | |
455 | fread( (char *) &objentry, sizeof(objentry),1,arfd); | |
456 | if( (objentry.n_type & N_EXT) | |
457 | && ((objentry.n_type & ~N_EXT) || objentry.n_value) | |
458 | && eqstr(objentry.n_un.n_name,s,nc)) | |
459 | { | |
460 | clarch(); | |
461 | return(arfdate); | |
462 | } | |
463 | } | |
464 | } | |
465 | ||
466 | else if( eqstr(arfname, s, nc)) | |
467 | { | |
468 | clarch(); | |
469 | return(arfdate); | |
470 | } | |
471 | } | |
472 | ||
473 | clarch(); | |
474 | return( 0L); | |
475 | } | |
476 | ||
477 | ||
478 | clarch() | |
479 | { | |
480 | fclose( arfd ); | |
481 | } | |
482 | ||
483 | ||
484 | openarch(f) | |
485 | register char *f; | |
486 | { | |
487 | #ifdef ASCARCH | |
488 | char magic[SARMAG]; | |
489 | #endif | |
490 | int word; | |
491 | #include <sys/stat.h> | |
492 | struct stat buf; | |
493 | ||
494 | stat(f, &buf); | |
495 | arlen = buf.st_size; | |
496 | ||
497 | arfd = fopen(f, "r"); | |
498 | if(arfd == NULL) | |
499 | fatal1("cannot open %s", f); | |
500 | ||
501 | fread( (char *) &word, sizeof(word), 1, arfd); | |
502 | #ifdef ASCARCH | |
503 | fseek(arfd, 0L, 0); | |
504 | fread(magic, SARMAG, 1, arfd); | |
505 | arpos = SARMAG; | |
506 | if( ! eqstr(magic, ARMAG, SARMAG) ) | |
507 | #else | |
508 | arpos = sizeof(word); | |
509 | if(word != ARMAG) | |
510 | #endif | |
511 | fatal1("%s is not an archive", f); | |
512 | ||
513 | arflen = 0; | |
514 | } | |
515 | ||
516 | ||
517 | ||
518 | getarch() | |
519 | { | |
520 | struct ar_hdr arhead; | |
521 | long atol(); | |
522 | ||
523 | arpos += (arflen + 1) & ~1L; /* round archived file length up to even */ | |
524 | if(arpos >= arlen) | |
525 | return(0); | |
526 | fseek(arfd, arpos, 0); | |
527 | ||
528 | fread( (char *) &arhead, sizeof(arhead), 1, arfd); | |
529 | arpos += sizeof(arhead); | |
530 | #ifdef ASCARCH | |
531 | arflen = atol(arhead.ar_size); | |
532 | arfdate = atol(arhead.ar_date); | |
533 | #else | |
534 | arflen = arhead.ar_size; | |
535 | arfdate = arhead.ar_date; | |
536 | #endif | |
537 | strncpy(arfname, arhead.ar_name, sizeof(arhead.ar_name)); | |
538 | return(1); | |
539 | } | |
540 | ||
541 | ||
542 | getobj() | |
543 | { | |
544 | long int skip; | |
545 | ||
546 | fread( (char *) &objhead, sizeof(objhead), 1, arfd); | |
547 | if (N_BADMAG(objhead)) | |
548 | fatal1("%s is not an object module", arfname); | |
549 | skip = objhead.a_text + objhead.a_data; | |
4b952a85 | 550 | #ifndef pdp11 |
fbf6641c BJ |
551 | skip += objhead.a_trsize + objhead.a_drsize; |
552 | #else | |
553 | if(! objhead.a_flag ) | |
554 | skip *= 2; | |
555 | #endif | |
556 | fseek(arfd, skip, 1); | |
557 | } | |
558 | ||
559 | ||
560 | eqstr(a,b,n) | |
561 | register char *a, *b; | |
562 | int n; | |
563 | { | |
564 | register int i; | |
565 | for(i = 0 ; i < n ; ++i) | |
566 | if(*a++ != *b++) | |
567 | return(NO); | |
568 | return(YES); | |
569 | } | |
a10b24d4 KM |
570 | |
571 | ||
572 | /* | |
573 | * findfl(name) (like execvp, but does path search and finds files) | |
574 | */ | |
575 | static char fname[128]; | |
576 | ||
577 | char *execat(); | |
578 | ||
579 | char *findfl(name) | |
580 | register char *name; | |
581 | { | |
582 | register char *p; | |
583 | register struct varblock *cp; | |
584 | struct stat buf; | |
585 | ||
586 | for (p = name; *p; p++) | |
587 | if(*p == '/') return(name); | |
588 | ||
589 | cp = varptr("VPATH"); | |
590 | if(cp->varval == NULL || *cp->varval == 0) | |
591 | p = ":"; | |
592 | else | |
593 | p = cp->varval; | |
594 | ||
595 | do | |
596 | { | |
597 | p = execat(p, name, fname); | |
598 | if(stat(fname,&buf) >= 0) | |
599 | return(fname); | |
600 | } while (p); | |
601 | return((char *)-1); | |
602 | } | |
603 | ||
604 | char *execat(s1, s2, si) | |
605 | register char *s1, *s2; | |
606 | char *si; | |
607 | { | |
608 | register char *s; | |
609 | ||
610 | s = si; | |
611 | while (*s1 && *s1 != ':' && *s1 != '-') | |
612 | *s++ = *s1++; | |
613 | if (si != s) | |
614 | *s++ = '/'; | |
615 | while (*s2) | |
616 | *s++ = *s2++; | |
617 | *s = '\0'; | |
618 | return(*s1? ++s1: 0); | |
619 | } | |
620 | ||
621 | ||
622 | /* copy s to d, changing file names to file aliases */ | |
623 | fixname(s, d) | |
624 | char *s, *d; | |
625 | { | |
626 | register char *r, *q; | |
627 | struct nameblock *pn; | |
dbf5cc74 | 628 | char name[BUFSIZ]; |
a10b24d4 KM |
629 | |
630 | while (*s) { | |
631 | if (isspace(*s)) *d++ = *s++; | |
632 | else { | |
633 | r = name; | |
634 | while (*s) { | |
635 | if (isspace(*s)) break; | |
636 | *r++ = *s++; | |
637 | } | |
638 | *r = '\0'; | |
639 | ||
640 | if (((pn = srchname(name)) != 0) && (pn->alias)) | |
641 | q = pn->alias; | |
642 | else q = name; | |
643 | ||
644 | while (*q) *d++ = *q++; | |
645 | } | |
646 | } | |
647 | *d = '\0'; | |
648 | } |