Commit | Line | Data |
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33782eab TL |
1 | /* UNIX DEPENDENT PROCEDURES */ |
2 | ||
3 | ||
4 | /* DEFAULT RULES FOR UNIX */ | |
5 | ||
6 | char *builtin[] = | |
7 | { | |
8 | ".SUFFIXES : .out .o .c .f .e .r .y .yr .ye .l .s", | |
9 | "YACC=yacc", | |
10 | "YACCR=yacc -r", | |
11 | "YACCE=yacc -e", | |
12 | "YFLAGS=", | |
13 | "LEX=lex", | |
14 | "LFLAGS=", | |
15 | "CC=cc", | |
16 | #ifdef vax | |
17 | "AS=as", | |
18 | #else | |
19 | "AS=as -", | |
20 | #endif | |
21 | "CFLAGS=", | |
22 | "RC=f77", | |
23 | "RFLAGS=", | |
24 | "EC=f77", | |
25 | "EFLAGS=", | |
26 | "FFLAGS=", | |
27 | "LOADLIBES=", | |
28 | ||
29 | ".c.o :", | |
30 | "\t$(CC) $(CFLAGS) -c $<", | |
31 | ||
32 | ".e.o .r.o .f.o :", | |
33 | "\t$(EC) $(RFLAGS) $(EFLAGS) $(FFLAGS) -c $<", | |
34 | ||
35 | ".s.o :", | |
36 | "\t$(AS) -o $@ $<", | |
37 | ||
38 | ".y.o :", | |
39 | "\t$(YACC) $(YFLAGS) $<", | |
40 | "\t$(CC) $(CFLAGS) -c y.tab.c", | |
41 | "\trm y.tab.c", | |
42 | "\tmv y.tab.o $@", | |
43 | ||
44 | ".yr.o:", | |
45 | "\t$(YACCR) $(YFLAGS) $<", | |
46 | "\t$(RC) $(RFLAGS) -c y.tab.r", | |
47 | "\trm y.tab.r", | |
48 | "\tmv y.tab.o $@", | |
49 | ||
50 | ".ye.o :", | |
51 | "\t$(YACCE) $(YFLAGS) $<", | |
52 | "\t$(EC) $(RFLAGS) -c y.tab.e", | |
53 | "\trm y.tab.e", | |
54 | "\tmv y.tab.o $@", | |
55 | ||
56 | ".l.o :", | |
57 | "\t$(LEX) $(LFLAGS) $<", | |
58 | "\t$(CC) $(CFLAGS) -c lex.yy.c", | |
59 | "\trm lex.yy.c", | |
60 | "\tmv lex.yy.o $@", | |
61 | ||
62 | ".y.c :", | |
63 | "\t$(YACC) $(YFLAGS) $<", | |
64 | "\tmv y.tab.c $@", | |
65 | ||
66 | ".l.c :", | |
67 | "\t$(LEX) $<", | |
68 | "\tmv lex.yy.c $@", | |
69 | ||
70 | ".yr.r:", | |
71 | "\t$(YACCR) $(YFLAGS) $<", | |
72 | "\tmv y.tab.r $@", | |
73 | ||
74 | ".ye.e :", | |
75 | "\t$(YACCE) $(YFLAGS) $<", | |
76 | "\tmv y.tab.e $@", | |
77 | ||
78 | ".s.out .c.out .o.out :", | |
79 | "\t$(CC) $(CFLAGS) $< $(LOADLIBES) -o $@", | |
80 | ||
81 | ".f.out .r.out .e.out :", | |
82 | "\t$(EC) $(EFLAGS) $(RFLAGS) $(FFLAGS) $< $(LOADLIBES) -o $@", | |
83 | "\t-rm $*.o", | |
84 | ||
85 | ".y.out :", | |
86 | "\t$(YACC) $(YFLAGS) $<", | |
87 | "\t$(CC) $(CFLAGS) y.tab.c $(LOADLIBES) -ly -o $@", | |
88 | "\trm y.tab.c", | |
89 | ||
90 | ".l.out :", | |
91 | "\t$(LEX) $<", | |
92 | "\t$(CC) $(CFLAGS) lex.yy.c $(LOADLIBES) -ll -o $@", | |
93 | "\trm lex.yy.c", | |
94 | ||
95 | 0 }; | |
96 | \f | |
97 | #include "defs" | |
98 | #include <sys/types.h> | |
99 | ||
100 | ||
101 | TIMETYPE exists(filename) | |
102 | char *filename; | |
103 | { | |
104 | #include <sys/stat.h> | |
105 | struct stat buf; | |
106 | register char *s; | |
107 | TIMETYPE lookarch(); | |
108 | ||
109 | for(s = filename ; *s!='\0' && *s!='(' ; ++s) | |
110 | ; | |
111 | ||
112 | if(*s == '(') | |
113 | return(lookarch(filename)); | |
114 | ||
115 | if(stat(filename,&buf) < 0) | |
116 | return(0); | |
117 | else return(buf.st_mtime); | |
118 | } | |
119 | ||
120 | ||
121 | TIMETYPE prestime() | |
122 | { | |
123 | TIMETYPE t; | |
124 | time(&t); | |
125 | return(t); | |
126 | } | |
127 | ||
128 | \f | |
129 | ||
130 | #include <sys/dir.h> | |
131 | FSTATIC char n15[15]; | |
132 | FSTATIC char *n15end = &n15[14]; | |
133 | ||
134 | ||
135 | ||
136 | struct depblock *srchdir(pat, mkchain, nextdbl) | |
137 | register char *pat; /* pattern to be matched in directory */ | |
138 | int mkchain; /* nonzero if results to be remembered */ | |
139 | struct depblock *nextdbl; /* final value for chain */ | |
140 | { | |
141 | FILE * dirf; | |
142 | int i, nread; | |
143 | char *dirname, *dirpref, *endir, *filepat, *p, temp[100]; | |
144 | char fullname[100], *p1, *p2; | |
145 | struct nameblock *q; | |
146 | struct depblock *thisdbl; | |
147 | struct opendir *od; | |
148 | struct pattern *patp; | |
149 | ||
150 | struct direct entry[32]; | |
151 | ||
152 | ||
153 | thisdbl = 0; | |
154 | ||
155 | if(mkchain == NO) | |
156 | for(patp=firstpat ; patp ; patp = patp->nxtpattern) | |
157 | if(! unequal(pat, patp->patval)) return(0); | |
158 | ||
159 | patp = ALLOC(pattern); | |
160 | patp->nxtpattern = firstpat; | |
161 | firstpat = patp; | |
162 | patp->patval = copys(pat); | |
163 | ||
164 | endir = 0; | |
165 | ||
166 | for(p=pat; *p!='\0'; ++p) | |
167 | if(*p=='/') endir = p; | |
168 | ||
169 | if(endir==0) | |
170 | { | |
171 | dirname = "."; | |
172 | dirpref = ""; | |
173 | filepat = pat; | |
174 | } | |
175 | else { | |
176 | dirname = pat; | |
177 | *endir = '\0'; | |
178 | dirpref = concat(dirname, "/", temp); | |
179 | filepat = endir+1; | |
180 | } | |
181 | ||
182 | dirf = NULL; | |
183 | ||
184 | for(od = firstod ; od; od = od->nxtopendir) | |
185 | if(! unequal(dirname, od->dirn) ) | |
186 | { | |
187 | dirf = od->dirfc; | |
188 | fseek(dirf,0L,0); /* start over at the beginning */ | |
189 | break; | |
190 | } | |
191 | ||
192 | if(dirf == NULL) | |
193 | { | |
194 | dirf = fopen(dirname, "r"); | |
195 | od = ALLOC(opendir); | |
196 | od->nxtopendir = firstod; | |
197 | firstod = od; | |
198 | od->dirfc = dirf; | |
199 | od->dirn = copys(dirname); | |
200 | } | |
201 | ||
202 | if(dirf == NULL) | |
203 | { | |
204 | fprintf(stderr, "Directory %s: ", dirname); | |
205 | fatal("Cannot open"); | |
206 | } | |
207 | ||
208 | else do | |
209 | { | |
210 | nread = fread( (char *) &entry[0], sizeof(struct direct), 32, dirf) ; | |
211 | for(i=0; i<nread; ++i) | |
212 | if(entry[i].d_ino!= 0) | |
213 | { | |
214 | p1 = entry[i].d_name; | |
215 | p2 = n15; | |
216 | while( (p2<n15end) && | |
217 | (*p2++ = *p1++)!='\0' ); | |
218 | if( amatch(n15,filepat) ) | |
219 | { | |
220 | concat(dirpref,n15,fullname); | |
221 | if( (q=srchname(fullname)) ==0) | |
222 | q = makename(copys(fullname)); | |
223 | if(mkchain) | |
224 | { | |
225 | thisdbl = ALLOC(depblock); | |
226 | thisdbl->nxtdepblock = nextdbl; | |
227 | thisdbl->depname = q; | |
228 | nextdbl = thisdbl; | |
229 | } | |
230 | } | |
231 | } | |
232 | ||
233 | } while(nread==32); | |
234 | ||
235 | if(endir != 0) *endir = '/'; | |
236 | ||
237 | return(thisdbl); | |
238 | } | |
239 | \f | |
240 | /* stolen from glob through find */ | |
241 | ||
242 | static amatch(s, p) | |
243 | char *s, *p; | |
244 | { | |
245 | register int cc, scc, k; | |
246 | int c, lc; | |
247 | ||
248 | scc = *s; | |
249 | lc = 077777; | |
250 | switch (c = *p) { | |
251 | ||
252 | case '[': | |
253 | k = 0; | |
254 | while (cc = *++p) { | |
255 | switch (cc) { | |
256 | ||
257 | case ']': | |
258 | if (k) | |
259 | return(amatch(++s, ++p)); | |
260 | else | |
261 | return(0); | |
262 | ||
263 | case '-': | |
264 | k |= (lc <= scc) & (scc <= (cc=p[1]) ) ; | |
265 | } | |
266 | if (scc==(lc=cc)) k++; | |
267 | } | |
268 | return(0); | |
269 | ||
270 | case '?': | |
271 | caseq: | |
272 | if(scc) return(amatch(++s, ++p)); | |
273 | return(0); | |
274 | case '*': | |
275 | return(umatch(s, ++p)); | |
276 | case 0: | |
277 | return(!scc); | |
278 | } | |
279 | if (c==scc) goto caseq; | |
280 | return(0); | |
281 | } | |
282 | ||
283 | static umatch(s, p) | |
284 | char *s, *p; | |
285 | { | |
286 | if(*p==0) return(1); | |
287 | while(*s) | |
288 | if (amatch(s++,p)) return(1); | |
289 | return(0); | |
290 | } | |
291 | \f | |
292 | #ifdef METERFILE | |
293 | #include <pwd.h> | |
294 | int meteron = 0; /* default: metering off */ | |
295 | ||
296 | meter(file) | |
297 | char *file; | |
298 | { | |
299 | TIMETYPE tvec; | |
300 | char *p, *ctime(); | |
301 | FILE * mout; | |
302 | struct passwd *pwd, *getpwuid(); | |
303 | ||
304 | if(file==0 || meteron==0) return; | |
305 | ||
306 | pwd = getpwuid(getuid()); | |
307 | ||
308 | time(&tvec); | |
309 | ||
310 | if( (mout=fopen(file,"a")) != NULL ) | |
311 | { | |
312 | p = ctime(&tvec); | |
313 | p[16] = '\0'; | |
314 | fprintf(mout,"User %s, %s\n",pwd->pw_name,p+4); | |
315 | fclose(mout); | |
316 | } | |
317 | } | |
318 | #endif | |
319 | \f | |
320 | ||
321 | /* look inside archives for notations a(b) and a((b)) | |
322 | a(b) is file member b in archive a | |
323 | a((b)) is entry point _b in object archive a | |
324 | */ | |
325 | #include <ar.h> | |
326 | #include <a.out.h> | |
327 | ||
328 | static struct ar_hdr arhead; | |
329 | FILE *arfd; | |
330 | long int arpos, arlen; | |
331 | ||
332 | static struct exec objhead; | |
333 | ||
334 | static struct nlist objentry; | |
335 | ||
336 | ||
337 | TIMETYPE lookarch(filename) | |
338 | char *filename; | |
339 | { | |
340 | char *p, *q, *send, s[15]; | |
341 | int i, nc, nsym, objarch; | |
342 | ||
343 | for(p = filename; *p!= '(' ; ++p) | |
344 | ; | |
345 | *p = '\0'; | |
346 | openarch(filename); | |
347 | *p++ = '('; | |
348 | ||
349 | if(*p == '(') | |
350 | { | |
351 | objarch = YES; | |
352 | nc = 8; | |
353 | ++p; | |
354 | } | |
355 | else | |
356 | { | |
357 | objarch = NO; | |
358 | nc = 14; | |
359 | } | |
360 | send = s + nc; | |
361 | ||
362 | for( q = s ; q<send && *p!='\0' && *p!=')' ; *q++ = *p++ ) | |
363 | ; | |
364 | while(q < send) | |
365 | *q++ = '\0'; | |
366 | while(getarch()) | |
367 | { | |
368 | if(objarch) | |
369 | { | |
370 | getobj(); | |
371 | nsym = objhead.a_syms / sizeof(objentry); | |
372 | for(i = 0; i<nsym ; ++i) | |
373 | { | |
374 | fread( (char *) &objentry, sizeof(objentry),1,arfd); | |
375 | if( (objentry.n_type & N_EXT) | |
376 | && eqstr(objentry.n_name,s,nc)) | |
377 | { | |
378 | clarch(); | |
379 | return(arhead.ar_date); | |
380 | } | |
381 | } | |
382 | } | |
383 | ||
384 | else if( eqstr(arhead.ar_name, s, nc)) | |
385 | { | |
386 | clarch(); | |
387 | return( arhead.ar_date); | |
388 | } | |
389 | } | |
390 | ||
391 | clarch(); | |
392 | return( 0L); | |
393 | } | |
394 | ||
395 | ||
396 | clarch() | |
397 | { | |
398 | fclose( arfd ); | |
399 | } | |
400 | ||
401 | ||
402 | openarch(f) | |
403 | register char *f; | |
404 | { | |
405 | int word; | |
406 | #include <sys/stat.h> | |
407 | struct stat buf; | |
408 | ||
409 | stat(f, &buf); | |
410 | arlen = buf.st_size; | |
411 | ||
412 | arfd = fopen(f, "r"); | |
413 | if(arfd == NULL) | |
414 | fatal1("cannot open %s", f); | |
415 | fread( (char *) &word, sizeof(word), 1, arfd); | |
416 | if(word != ARMAG) | |
417 | fatal1("%s is not an archive", f); | |
418 | arpos = 0; | |
419 | arhead.ar_size = 2 - sizeof(arhead); | |
420 | } | |
421 | ||
422 | ||
423 | ||
424 | getarch() | |
425 | { | |
426 | arpos += sizeof(arhead); | |
427 | arpos += (arhead.ar_size + 1 ) & ~1L; | |
428 | if(arpos >= arlen) | |
429 | return(0); | |
430 | fseek(arfd, arpos, 0); | |
431 | fread( (char *) &arhead, sizeof(arhead), 1, arfd); | |
432 | return(1); | |
433 | } | |
434 | ||
435 | ||
436 | getobj() | |
437 | { | |
438 | long int skip; | |
439 | ||
440 | fread( (char *) &objhead, sizeof(objhead), 1, arfd); | |
441 | if( objhead.a_magic != A_MAGIC1 && | |
442 | objhead.a_magic != A_MAGIC2 && | |
443 | objhead.a_magic != A_MAGIC3 ) | |
444 | fatal1("%s is not an object module", arhead.ar_name); | |
445 | skip = objhead.a_text + objhead.a_data + objhead.a_trsize + objhead.a_drsize; | |
446 | fseek(arfd, skip, 1); | |
447 | } | |
448 | ||
449 | ||
450 | eqstr(a,b,n) | |
451 | register char *a, *b; | |
452 | int n; | |
453 | { | |
454 | register int i; | |
455 | for(i = 0 ; i < n ; ++i) | |
456 | if(*a++ != *b++) | |
457 | return(NO); | |
458 | return(YES); | |
459 | } |