Commit | Line | Data |
---|---|---|
98242db9 | 1 | static char *sccsid = "@(#)arff.c 4.9 (Berkeley) 82/06/27"; |
ae07d59d | 2 | |
9323c1d3 BJ |
3 | #include <sys/types.h> |
4 | #include <sys/stat.h> | |
5 | #include <time.h> | |
6 | #include <signal.h> | |
7 | #include <stdio.h> | |
ae07d59d | 8 | |
9323c1d3 | 9 | #define dbprintf printf |
ae07d59d | 10 | |
9323c1d3 | 11 | struct rt_dat { |
ae07d59d SL |
12 | u_short rt_yr:5; /* year-1972 */ |
13 | u_short rt_dy:5; /* day */ | |
14 | u_short rt_mo:5; /* month */ | |
9323c1d3 | 15 | }; |
ae07d59d | 16 | |
9323c1d3 BJ |
17 | struct rt_axent { |
18 | char rt_sent[14]; | |
19 | }; | |
20 | ||
21 | struct rt_ent { | |
ae07d59d SL |
22 | char rt_pad; /* unusued */ |
23 | char rt_stat; /* type of entry, or end of seg */ | |
24 | u_short rt_name[3]; /* name, 3 words in rad50 form */ | |
98242db9 | 25 | u_short rt_len; /* length of file */ |
ae07d59d SL |
26 | char rt_chan; /* only used in temporary files */ |
27 | char rt_job; /* only used in temporary files */ | |
28 | struct rt_dat rt_date; /* creation date */ | |
9323c1d3 | 29 | }; |
ae07d59d SL |
30 | |
31 | #define RT_TEMP 1 | |
32 | #define RT_NULL 2 | |
33 | #define RT_FILE 4 | |
34 | #define RT_ESEG 8 | |
35 | ||
36 | #define RT_BLOCK 512 /* block size */ | |
37 | #define RT_DIRSIZE 31 /* max # of directory segments */ | |
38 | ||
9323c1d3 | 39 | struct rt_head { |
ae07d59d SL |
40 | short rt_numseg; /* # of segments available */ |
41 | short rt_nxtseg; /* # of next logical segment */ | |
42 | short rt_lstseg; /* highest seg currently open */ | |
43 | u_short rt_entpad; /* extra words/directory entry */ | |
44 | short rt_stfile; /* block # where files begin */ | |
9323c1d3 | 45 | }; |
ae07d59d | 46 | |
9323c1d3 BJ |
47 | struct rt_dir { |
48 | struct rt_head rt_axhead; | |
49 | struct rt_ent rt_ents[72]; | |
ae07d59d | 50 | char _dirpad[6]; |
9323c1d3 | 51 | }; |
ae07d59d | 52 | |
fa61ea79 | 53 | extern struct rt_dir rt_dir[RT_DIRSIZE]; |
9323c1d3 BJ |
54 | extern int rt_entsiz; |
55 | extern int floppydes; | |
56 | extern char *rt_last; | |
ae07d59d | 57 | |
9323c1d3 BJ |
58 | typedef struct fldope { |
59 | int startad; | |
60 | int count; | |
61 | struct rt_ent *rtdope; | |
62 | } FLDOPE; | |
ae07d59d | 63 | |
9323c1d3 | 64 | FLDOPE *lookup(); |
ae07d59d | 65 | |
9323c1d3 BJ |
66 | #define rt(p) ((struct rt_ent *) p ) |
67 | #define Ain1 03100 | |
68 | #define Ain2 050 | |
ae07d59d | 69 | #define flag(c) (flg[('c') - 'a']) |
9323c1d3 | 70 | |
ae07d59d | 71 | char *man = "rxtd"; |
9323c1d3 | 72 | char zeroes[512]; |
ae07d59d | 73 | |
9323c1d3 BJ |
74 | extern char *val; |
75 | extern char table[256]; | |
ae07d59d SL |
76 | struct rt_dir rt_dir[RT_DIRSIZE] = { |
77 | {4, 0, 1, 0, 14}, | |
78 | { {0, RT_NULL, {0, 0, 0}, 494, 0}, {0, RT_ESEG} } | |
79 | }; | |
80 | ||
81 | int rt_entsiz; | |
82 | int rt_nleft; | |
83 | struct rt_ent *rt_curend[RT_DIRSIZE]; | |
84 | int floppydes; | |
85 | int dirdirty; | |
86 | char *rt_last; | |
87 | char *defdev = "/dev/floppy"; | |
88 | ||
89 | char *opt = "vf"; | |
9323c1d3 BJ |
90 | |
91 | int signum[] = {SIGHUP, SIGINT, SIGQUIT, 0}; | |
ae07d59d SL |
92 | extern long lseek(); |
93 | int rcmd(), dcmd(), xcmd(), tcmd(); | |
94 | ||
9323c1d3 BJ |
95 | int (*comfun)(); |
96 | char flg[26]; | |
97 | char **namv; | |
98 | int namc; | |
99 | int file; | |
100 | ||
9323c1d3 | 101 | main(argc, argv) |
ae07d59d | 102 | char *argv[]; |
9323c1d3 BJ |
103 | { |
104 | register char *cp; | |
105 | ||
ae07d59d | 106 | if (argc < 2) |
9323c1d3 BJ |
107 | usage(); |
108 | cp = argv[1]; | |
ae07d59d SL |
109 | for (cp = argv[1]; *cp; cp++) |
110 | switch (*cp) { | |
111 | ||
112 | case 'm': | |
113 | case 'v': | |
114 | case 'u': | |
115 | case 'w': | |
116 | flg[*cp-'a']++; | |
117 | continue; | |
118 | case 'c': | |
119 | { | |
120 | #define SURE "Last chance before clobbering floppy?" | |
121 | int tty; | |
122 | char response[128]; | |
123 | ||
124 | tty = open("/dev/tty", 2); | |
125 | write(tty, SURE, sizeof(SURE)); | |
126 | read(tty, response, sizeof(response)); | |
127 | if (*response != 'y') | |
128 | exit(50); | |
129 | flag(c)++; | |
130 | close(tty); | |
131 | } | |
132 | dirdirty++; | |
133 | continue; | |
134 | ||
135 | case 'r': | |
136 | setcom(rcmd); | |
137 | flag(r)++; | |
138 | continue; | |
139 | ||
140 | case 'd': | |
141 | setcom(dcmd); | |
142 | flag(d)++; | |
143 | continue; | |
144 | ||
145 | case 'x': | |
146 | setcom(xcmd); | |
147 | continue; | |
148 | ||
149 | case 't': | |
150 | setcom(tcmd); | |
151 | continue; | |
152 | ||
153 | case 'f': | |
154 | defdev = argv[2]; | |
155 | argv++; | |
156 | argc--; | |
157 | continue; | |
158 | ||
159 | default: | |
160 | fprintf(stderr, "arff: bad option `%c'\n", *cp); | |
161 | exit(1); | |
9323c1d3 | 162 | } |
9323c1d3 | 163 | |
9323c1d3 BJ |
164 | namv = argv+2; |
165 | namc = argc-2; | |
ae07d59d SL |
166 | if (comfun == 0) { |
167 | if (flag(u) == 0) { | |
168 | fprintf(stderr, "arff: one of [%s] must be specified\n", | |
169 | man); | |
9323c1d3 BJ |
170 | exit(1); |
171 | } | |
172 | setcom(rcmd); | |
173 | } | |
174 | (*comfun)(); | |
175 | exit(notfound()); | |
176 | } | |
177 | ||
178 | setcom(fun) | |
ae07d59d | 179 | int (*fun)(); |
9323c1d3 | 180 | { |
ae07d59d | 181 | if (comfun != 0) { |
9323c1d3 BJ |
182 | fprintf(stderr, "arff: only one of [%s] allowed\n", man); |
183 | exit(1); | |
184 | } | |
185 | comfun = fun; | |
186 | } | |
187 | ||
9323c1d3 BJ |
188 | usage() |
189 | { | |
565c6f97 | 190 | fprintf(stderr, "usage: ar [%s][%s] archive files ...\n", opt, man); |
9323c1d3 BJ |
191 | exit(1); |
192 | } | |
193 | ||
9323c1d3 BJ |
194 | notfound() |
195 | { | |
ae07d59d | 196 | register i, n = 0; |
9323c1d3 | 197 | |
ae07d59d SL |
198 | for (i = 0; i < namc; i++) |
199 | if (namv[i]) { | |
9323c1d3 BJ |
200 | fprintf(stderr, "arff: %s not found\n", namv[i]); |
201 | n++; | |
202 | } | |
203 | return(n); | |
204 | } | |
205 | ||
9323c1d3 BJ |
206 | mesg(c) |
207 | { | |
ae07d59d SL |
208 | if (flag(v)) |
209 | if (c != 'c' || flag(v) > 1) | |
9323c1d3 BJ |
210 | printf("%c - %s\n", c, file); |
211 | } | |
212 | ||
213 | tcmd() | |
214 | { | |
ae07d59d | 215 | register char *de, *last; |
9323c1d3 | 216 | FLDOPE *lookup(), *dope; |
ae07d59d SL |
217 | int segnum, nleft; |
218 | register i; | |
9323c1d3 BJ |
219 | register struct rt_ent *rde; |
220 | ||
221 | rt_init(); | |
ae07d59d SL |
222 | if (namc == 0) |
223 | for (segnum = 0; segnum != -1; | |
224 | segnum = rt_dir[segnum].rt_axhead.rt_nxtseg - 1) | |
225 | { | |
226 | last = rt_last + segnum*2*RT_BLOCK; | |
227 | for (de = ((char *)&rt_dir[segnum])+10; de <= last; | |
228 | de += rt_entsiz) | |
229 | if (rtls(rt(de))) { | |
230 | nleft = (last-de)/rt_entsiz; | |
231 | #define ENTRIES "\n%d entries remaining in directory segment %d.\n" | |
232 | printf(ENTRIES, nleft, segnum+1); | |
233 | break; | |
234 | } | |
9323c1d3 BJ |
235 | } |
236 | else | |
ae07d59d SL |
237 | for (i = 0; i < namc; i++) |
238 | if (dope = lookup(namv[i])) { | |
9323c1d3 BJ |
239 | rde = dope->rtdope; |
240 | rtls(rde); | |
241 | namv[i] = 0; | |
242 | } | |
9323c1d3 | 243 | } |
ae07d59d | 244 | |
9323c1d3 | 245 | rtls(de) |
ae07d59d | 246 | register struct rt_ent *de; |
9323c1d3 | 247 | { |
ae07d59d | 248 | int month, day, year; |
9323c1d3 BJ |
249 | char name[12], ext[4]; |
250 | ||
ae07d59d | 251 | switch (de->rt_stat) { |
9323c1d3 | 252 | |
ae07d59d SL |
253 | case RT_TEMP: |
254 | if (flag(v)) | |
255 | printf("Tempfile:\n"); | |
256 | /* fall thru...*/ | |
9323c1d3 | 257 | |
ae07d59d SL |
258 | case RT_FILE: |
259 | if (!flag(v)) { | |
260 | sunrad50(name, de->rt_name); | |
261 | printf("%s\n", name); | |
9323c1d3 | 262 | break; |
9323c1d3 | 263 | } |
ae07d59d SL |
264 | unrad50(2, de->rt_name, name); |
265 | unrad50(1, &(de->rt_name[2]), ext); | |
266 | day = de->rt_date.rt_dy; | |
267 | year = de->rt_date.rt_yr+72; | |
268 | month = de->rt_date.rt_mo; | |
269 | printf("%6.6s %3.3s %02d/%02d/%02d %d\n",name, | |
270 | ext, month, day, year, de->rt_len); | |
271 | break; | |
272 | ||
273 | case RT_NULL: | |
274 | printf("%-25.9s %d\n","<UNUSED>", de->rt_len); | |
275 | break; | |
276 | ||
277 | case RT_ESEG: | |
278 | return(1); | |
9323c1d3 BJ |
279 | } |
280 | return(0); | |
281 | } | |
ae07d59d | 282 | |
9323c1d3 BJ |
283 | xcmd() |
284 | { | |
ae07d59d | 285 | register char *de, *last; |
fa61ea79 | 286 | int segnum; |
9323c1d3 BJ |
287 | char name[12]; |
288 | register int i; | |
289 | ||
290 | rt_init(); | |
ae07d59d SL |
291 | if (namc == 0) |
292 | for (segnum = 0; segnum != -1; | |
293 | segnum = rt_dir[segnum].rt_axhead.rt_nxtseg-1) | |
294 | for (last = rt_last+(segnum*2*RT_BLOCK), | |
295 | de = ((char *)&rt_dir[segnum])+10; de <= last; | |
296 | de += rt_entsiz) | |
297 | sunrad50(name, rt(de)->rt_name), rtx(name); | |
9323c1d3 | 298 | else |
ae07d59d SL |
299 | for (i = 0; i < namc; i++) |
300 | if (rtx(namv[i]) == 0) | |
301 | namv[i] = 0; | |
9323c1d3 | 302 | } |
ae07d59d | 303 | |
9323c1d3 | 304 | rtx(name) |
ae07d59d | 305 | char *name; |
9323c1d3 BJ |
306 | { |
307 | register FLDOPE *dope; | |
308 | FLDOPE *lookup(); | |
309 | register startad, count; | |
ae07d59d SL |
310 | int file; |
311 | char buff[512]; | |
9323c1d3 BJ |
312 | |
313 | ||
ae07d59d SL |
314 | if (dope = lookup(name)) { |
315 | if (flag(v)) | |
9323c1d3 BJ |
316 | rtls(dope->rtdope); |
317 | else | |
318 | printf("x - %s\n",name); | |
319 | ||
ae07d59d SL |
320 | if ((file = creat(name, 0666)) < 0) |
321 | return(1); | |
9323c1d3 BJ |
322 | count = dope->count; |
323 | startad = dope->startad; | |
324 | for( ; count > 0 ; count -= 512) { | |
ae07d59d SL |
325 | lread(startad, 512, buff); |
326 | write(file, buff, 512); | |
9323c1d3 BJ |
327 | startad += 512; |
328 | } | |
329 | close(file); | |
330 | return(0); | |
331 | } | |
332 | return(1); | |
333 | } | |
ae07d59d | 334 | |
9323c1d3 BJ |
335 | rt_init() |
336 | { | |
337 | static initized = 0; | |
ae07d59d | 338 | register char *de, *last; |
fa61ea79 | 339 | register i; |
ffa51da0 KH |
340 | int dirnum; |
341 | char *mode; | |
ffa51da0 | 342 | FILE *temp_floppydes; |
9323c1d3 | 343 | |
ae07d59d SL |
344 | if (initized) |
345 | return; | |
9323c1d3 | 346 | initized = 1; |
ae07d59d | 347 | if (flag(c) || flag(d) || flag(r)) |
ffa51da0 | 348 | mode = "r+"; |
9323c1d3 | 349 | else |
ffa51da0 | 350 | mode = "r"; |
ae07d59d | 351 | if ((temp_floppydes = fopen(defdev, mode)) == NULL) { |
ffa51da0 | 352 | perror(defdev); |
565c6f97 | 353 | exit(1); |
ffa51da0 KH |
354 | } else |
355 | floppydes = fileno(temp_floppydes); | |
ae07d59d SL |
356 | if (!flag(c)) { |
357 | lread(6*RT_BLOCK, 2*RT_BLOCK, (char *)&rt_dir[0]); | |
fa61ea79 BJ |
358 | dirnum = rt_dir[0].rt_axhead.rt_numseg; |
359 | if (dirnum > RT_DIRSIZE) { | |
ae07d59d SL |
360 | fprintf(stderr,"arff: too many directory segments\n"); |
361 | exit(1); | |
fa61ea79 | 362 | } |
ae07d59d SL |
363 | for (i = 1; i < dirnum; i++) |
364 | lread((6+2*i)*RT_BLOCK, 2*RT_BLOCK, (char *)&rt_dir[i]); | |
0dfff170 BJ |
365 | } else |
366 | dirnum = 1; | |
9323c1d3 | 367 | |
fa61ea79 BJ |
368 | rt_entsiz = 2*rt_dir[0].rt_axhead.rt_entpad + 14; |
369 | rt_entsiz = 14; /* assume rt_entpad = 0 ??? */ | |
370 | rt_last = ((char *) &rt_dir[0]) + 10 + 1014/rt_entsiz*rt_entsiz; | |
371 | rt_nleft = 0; | |
372 | ||
ae07d59d SL |
373 | for (i = 0; i < dirnum; i++) { |
374 | last = rt_last + i*2*RT_BLOCK; | |
375 | for (de = ((char *)&rt_dir[i])+10; de <= last; de += rt_entsiz) | |
376 | if (rt(de)->rt_stat == RT_ESEG) | |
377 | break; | |
378 | rt_curend[i] = rt(de); | |
379 | rt_nleft += (last-de)/rt_entsiz; | |
9323c1d3 | 380 | } |
9323c1d3 BJ |
381 | } |
382 | ||
383 | static FLDOPE result; | |
ae07d59d | 384 | |
9323c1d3 BJ |
385 | FLDOPE * |
386 | lookup(name) | |
ae07d59d | 387 | char *name; |
9323c1d3 BJ |
388 | { |
389 | unsigned short rname[3]; | |
ae07d59d | 390 | register char *de, *last; |
fa61ea79 | 391 | int segnum; |
9323c1d3 BJ |
392 | register index; |
393 | ||
394 | srad50(name,rname); | |
395 | ||
565c6f97 | 396 | /* |
9323c1d3 BJ |
397 | * Search for name, accumulate blocks in index |
398 | */ | |
399 | rt_init(); | |
ae07d59d SL |
400 | for (segnum = 0; segnum != -1; |
401 | segnum = rt_dir[segnum].rt_axhead.rt_nxtseg - 1) | |
402 | { | |
403 | index = 0; | |
404 | last = rt_last + segnum*2*RT_BLOCK; | |
405 | for (de=((char *)&rt_dir[segnum])+10; | |
406 | rt(de)->rt_stat != RT_ESEG; de += rt_entsiz) | |
407 | switch(rt(de)->rt_stat) { | |
408 | ||
409 | case RT_FILE: | |
410 | case RT_TEMP: | |
411 | if(samename(rname,rt(de)->rt_name)) { | |
412 | result.count = rt(de)->rt_len * 512; | |
413 | result.startad = 512* | |
414 | (rt_dir[segnum].rt_axhead.rt_stfile + index); | |
415 | result.rtdope = (struct rt_ent *) de; | |
416 | return(&result); | |
417 | } | |
418 | ||
419 | case RT_NULL: | |
420 | index += rt(de)->rt_len; | |
421 | } | |
fa61ea79 | 422 | } |
9323c1d3 | 423 | return((FLDOPE *) 0); |
ae07d59d | 424 | |
9323c1d3 | 425 | } |
ae07d59d | 426 | |
9323c1d3 | 427 | static |
ae07d59d SL |
428 | samename(a, b) |
429 | u_short a[], b[]; | |
9323c1d3 | 430 | { |
ae07d59d | 431 | return(*a == *b && a[1] == b[1] && a[2] == b[2] ); |
9323c1d3 BJ |
432 | } |
433 | ||
ae07d59d SL |
434 | rad50(cp, out) |
435 | register u_char *cp; | |
436 | u_short *out; | |
9323c1d3 | 437 | { |
ae07d59d | 438 | register index, temp; |
9323c1d3 | 439 | |
ae07d59d | 440 | for (index = 0; *cp; index++) { |
9323c1d3 | 441 | temp = Ain1 * table[*cp++]; |
ae07d59d | 442 | if (*cp!=0) { |
9323c1d3 | 443 | temp += Ain2 * table[*cp++]; |
9323c1d3 BJ |
444 | if(*cp!=0) |
445 | temp += table[*cp++]; | |
446 | } | |
9323c1d3 BJ |
447 | out[index] = temp; |
448 | } | |
449 | } | |
9323c1d3 | 450 | |
ae07d59d SL |
451 | #define reduce(x, p, q) (x = v[p/q], p %= q); |
452 | ||
453 | unrad50(count, in, cp) | |
454 | u_short *in; | |
455 | register char *cp; | |
9323c1d3 | 456 | { |
ae07d59d SL |
457 | register i, temp; |
458 | register u_char *v = (u_char *) val; | |
9323c1d3 | 459 | |
ae07d59d | 460 | for (i = 0; i < count; i++) { |
9323c1d3 | 461 | temp = in[i]; |
ae07d59d SL |
462 | reduce(*cp++, temp, Ain1); |
463 | reduce(*cp++, temp, Ain2); | |
464 | reduce(*cp++, temp, 1); | |
9323c1d3 BJ |
465 | } |
466 | *cp=0; | |
467 | } | |
468 | ||
ae07d59d SL |
469 | srad50(name, rname) |
470 | register char *name; | |
471 | register u_short *rname; | |
9323c1d3 | 472 | { |
ae07d59d SL |
473 | register index; |
474 | register char *cp; | |
475 | char file[7], ext[4]; | |
476 | ||
565c6f97 | 477 | /* |
9323c1d3 BJ |
478 | * Find end of pathname |
479 | */ | |
ae07d59d SL |
480 | for (cp = name; *cp++; ) |
481 | ; | |
482 | while (cp >= name && *--cp != '/') | |
483 | ; | |
9323c1d3 | 484 | cp++; |
565c6f97 | 485 | /* |
9323c1d3 | 486 | * Change to rad50 |
9323c1d3 | 487 | */ |
ae07d59d | 488 | for (index = 0; *cp; ) { |
9323c1d3 | 489 | file[index++] = *cp++; |
ae07d59d | 490 | if (*cp == '.') { |
9323c1d3 BJ |
491 | cp++; |
492 | break; | |
493 | } | |
ae07d59d | 494 | if (index >= 6) { |
9323c1d3 BJ |
495 | break; |
496 | } | |
497 | } | |
498 | file[index] = 0; | |
ae07d59d | 499 | for (index = 0; *cp; ) { |
9323c1d3 | 500 | ext[index++] = *cp++; |
ae07d59d | 501 | if (*cp == '.' || index >= 3) |
9323c1d3 | 502 | break; |
9323c1d3 BJ |
503 | } |
504 | ext[index]=0; | |
ae07d59d SL |
505 | rname[0] = rname[1] = rname[2] = 0; |
506 | rad50((u_char *)file, rname); | |
507 | rad50((u_char *)ext, rname+2); | |
9323c1d3 | 508 | } |
ae07d59d SL |
509 | |
510 | sunrad50(name, rname) | |
511 | u_short rname[]; | |
512 | register char *name; | |
9323c1d3 BJ |
513 | { |
514 | register char *cp, *cp2; | |
515 | char ext[4]; | |
516 | ||
ae07d59d SL |
517 | unrad50(2, rname, name); |
518 | unrad50(1, rname + 2, ext); | |
519 | /* | |
520 | * Jam name and extension together with a dot | |
521 | * deleting white space | |
522 | */ | |
523 | for (cp = name; *cp++;) | |
524 | ; | |
525 | --cp; | |
526 | while (*--cp == ' ' && cp >= name) | |
527 | ; | |
528 | *++cp = '.'; | |
529 | cp++; | |
530 | for (cp2 = ext; *cp2 != ' ' && cp2 < ext+3;) | |
9323c1d3 | 531 | *cp++ = *cp2++; |
9323c1d3 | 532 | *cp=0; |
ae07d59d SL |
533 | if (cp[-1] == '.') |
534 | cp[-1] = 0; | |
9323c1d3 BJ |
535 | } |
536 | ||
537 | static char *oval = " ABCDEFGHIJKLMNOPQRSTUVWXYZ$.@0123456789"; | |
538 | static char *val = " abcdefghijklmnopqrstuvwxyz$.@0123456789"; | |
ae07d59d | 539 | |
9323c1d3 BJ |
540 | static char table[256] = { |
541 | 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, | |
542 | 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, | |
543 | 0, 29, 29, 29, 27, 29, 29, 29, 29, 29, 29, 29, 29, 29, 28, 29, | |
544 | 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 29, 29, 29, 29, 29, 29, | |
545 | 29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |
546 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 29, 29, 29, 29, 29, | |
547 | 29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |
548 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 29, 29, 29, 29, 29, | |
549 | 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, | |
550 | 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, | |
551 | 0, 29, 29, 29, 27, 29, 29, 29, 29, 29, 29, 29, 29, 29, 28, 29, | |
552 | 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 29, 29, 29, 29, 29, 29, | |
553 | 29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |
554 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 29, 29, 29, 29, 29, | |
555 | 29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |
556 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 29, 29, 29, 29 }; | |
557 | ||
ae07d59d SL |
558 | /* |
559 | * Logical to physical adress translation | |
560 | */ | |
561 | long | |
562 | trans(logical) | |
563 | register int logical; | |
9323c1d3 | 564 | { |
9323c1d3 BJ |
565 | register int sector, bytes, track; |
566 | ||
ae07d59d SL |
567 | logical += 26*128; |
568 | bytes = (logical&127); | |
9323c1d3 | 569 | logical >>= 7; |
ae07d59d | 570 | sector = logical%26; |
9323c1d3 | 571 | if(sector >= 13) |
ae07d59d | 572 | sector = sector*2+1; |
9323c1d3 BJ |
573 | else |
574 | sector *= 2; | |
ae07d59d | 575 | sector += 26 + ((track = (logical/26))-1)*6; |
9323c1d3 | 576 | sector %= 26; |
ae07d59d | 577 | return((((track*26)+sector) << 7) + bytes); |
9323c1d3 | 578 | } |
ae07d59d SL |
579 | |
580 | lread(startad, count, obuff) | |
581 | register startad, count; | |
582 | register char *obuff; | |
9323c1d3 BJ |
583 | { |
584 | long trans(); | |
585 | extern floppydes; | |
ae07d59d SL |
586 | register int size = flag(m) ? 512 : 128; |
587 | ||
9323c1d3 | 588 | rt_init(); |
ae07d59d SL |
589 | while ((count -= size) >= 0) { |
590 | lseek(floppydes, flag(m) ? | |
591 | (long)startad : trans(startad), 0); | |
592 | if (read(floppydes, obuff, size) != size) | |
593 | fprintf(stderr, "arff: read error block %d\n", | |
594 | startad/size); | |
595 | obuff += size; | |
596 | startad += size; | |
597 | } | |
9323c1d3 | 598 | } |
ae07d59d SL |
599 | |
600 | lwrite(startad, count, obuff) | |
601 | register startad, count; | |
602 | register char *obuff; | |
9323c1d3 BJ |
603 | { |
604 | long trans(); | |
605 | extern floppydes; | |
ae07d59d SL |
606 | register int size = flag(m) ? 512 : 128; |
607 | ||
9323c1d3 | 608 | rt_init(); |
ae07d59d SL |
609 | while ((count -= size) >= 0) { |
610 | lseek(floppydes, flag(m) ? | |
611 | (long)startad : trans(startad), 0); | |
612 | if (write(floppydes, obuff, size) != size) | |
613 | fprintf(stderr, "arff: write error block %d\n", | |
614 | startad/size); | |
615 | obuff += size; | |
616 | startad += size; | |
617 | } | |
9323c1d3 BJ |
618 | } |
619 | ||
620 | rcmd() | |
621 | { | |
622 | register int i; | |
623 | ||
624 | rt_init(); | |
ae07d59d SL |
625 | if (namc > 0) |
626 | for (i = 0; i < namc; i++) | |
627 | if (rtr(namv[i]) == 0) | |
628 | namv[i] = 0; | |
9323c1d3 BJ |
629 | } |
630 | ||
631 | rtr(name) | |
ae07d59d | 632 | char *name; |
9323c1d3 | 633 | { |
ae07d59d SL |
634 | register FLDOPE *dope; |
635 | register struct rt_ent *de; | |
636 | struct stat buf; | |
637 | register struct stat *bufp = &buf; | |
fa61ea79 BJ |
638 | int segnum; |
639 | register char *last; | |
9323c1d3 | 640 | |
ae07d59d | 641 | if (stat(name, bufp) < 0) { |
0dfff170 BJ |
642 | perror(name); |
643 | return(-1); | |
644 | } | |
ae07d59d | 645 | if (dope = lookup(name)) { |
9323c1d3 BJ |
646 | /* can replace, no problem */ |
647 | de = dope->rtdope; | |
ae07d59d | 648 | if (bufp->st_size <= (de->rt_len * 512)) |
9323c1d3 | 649 | printf("r - %s\n",name), |
ae07d59d | 650 | toflop(name, bufp->st_size, dope); |
9323c1d3 | 651 | else { |
565c6f97 | 652 | fprintf(stderr, "%s will not fit in currently used file on floppy\n",name); |
0dfff170 | 653 | return(-1); |
9323c1d3 BJ |
654 | } |
655 | } else { | |
ae07d59d SL |
656 | /* Search for vacant spot */ |
657 | for (segnum = 0; segnum != -1; | |
658 | segnum = rt_dir[segnum].rt_axhead.rt_nxtseg - 1) | |
659 | { | |
660 | last = rt_last + segnum*2*RT_BLOCK; | |
661 | for (de = rt_dir[segnum].rt_ents; | |
662 | rt(de)->rt_stat != RT_ESEG; de++) | |
663 | if ((de)->rt_stat == RT_NULL) { | |
664 | if (bufp->st_size <= (de->rt_len*512)) { | |
665 | printf("a - %s\n",name), | |
666 | mkent(de, segnum, bufp,name); | |
667 | goto found; | |
668 | } | |
669 | continue; | |
9323c1d3 | 670 | } |
fa61ea79 | 671 | } |
0dfff170 BJ |
672 | printf("%s: no slot for file\n", name); |
673 | return (-1); | |
9323c1d3 | 674 | } |
ae07d59d SL |
675 | |
676 | found: | |
677 | if (dope = lookup(name)) { | |
678 | toflop(name, bufp->st_size, dope); | |
0dfff170 | 679 | return (0); |
9323c1d3 | 680 | } |
0dfff170 BJ |
681 | printf("%s: internal error, added then not found\n", name); |
682 | return (-1); | |
9323c1d3 | 683 | } |
ae07d59d SL |
684 | |
685 | mkent(de, segnum, bufp, name) | |
686 | register struct rt_ent *de; | |
687 | int segnum; | |
688 | register struct stat *bufp; | |
689 | char *name; | |
9323c1d3 | 690 | { |
ae07d59d SL |
691 | struct tm *localtime(); |
692 | register struct tm *timp; | |
693 | register struct rt_ent *workp; | |
694 | int count; | |
9323c1d3 BJ |
695 | |
696 | count = (((bufp->st_size -1) >>9) + 1); | |
ae07d59d SL |
697 | /* make sure there is room */ |
698 | if (de->rt_len == count) | |
9323c1d3 | 699 | goto overwrite; |
ae07d59d SL |
700 | if ((char *)rt_curend[segnum] == (rt_last + (segnum*2*RT_BLOCK))) { |
701 | /* no entries left on segment */ | |
702 | if (flag(o)) | |
9323c1d3 | 703 | goto overwrite; |
fa61ea79 | 704 | fprintf(stderr,"Directory segment #%d full on %s\n",segnum+1, |
ae07d59d | 705 | defdev); |
9323c1d3 BJ |
706 | exit(1); |
707 | } | |
ae07d59d SL |
708 | /* copy directory entries up */ |
709 | for (workp = rt_curend[segnum]+1; workp > de; workp--) | |
9323c1d3 BJ |
710 | *workp = workp[-1]; |
711 | de[1].rt_len -= count; | |
712 | de->rt_len = count; | |
fa61ea79 | 713 | rt_curend[segnum]++; |
9323c1d3 | 714 | rt_nleft--; |
ae07d59d | 715 | |
9323c1d3 BJ |
716 | overwrite: |
717 | srad50(name,de->rt_name); | |
718 | timp = localtime(&bufp->st_mtime); | |
719 | de->rt_date.rt_dy = timp->tm_mday + 1; | |
720 | de->rt_date.rt_mo = timp->tm_mon + 1; | |
721 | de->rt_date.rt_yr = timp->tm_year - 72; | |
722 | de->rt_stat = RT_FILE; | |
723 | de->rt_pad = 0; | |
724 | de->rt_chan = 0; | |
725 | de->rt_job = 0; | |
ae07d59d | 726 | lwrite((6+segnum*2)*RT_BLOCK, 2*RT_BLOCK, (char *)&rt_dir[segnum]); |
9323c1d3 BJ |
727 | } |
728 | ||
ae07d59d SL |
729 | toflop(name, ocount, dope) |
730 | char *name; | |
731 | register FLDOPE *dope; | |
732 | long ocount; | |
9323c1d3 BJ |
733 | { |
734 | register file, n, startad = dope->startad, count = ocount; | |
735 | char buff[512]; | |
736 | ||
ae07d59d SL |
737 | file = open(name, 0); |
738 | if (file < 0) { | |
739 | fprintf(stderr, "arff: couldn't open %s\n",name); | |
740 | exit(1); | |
741 | } | |
9323c1d3 | 742 | for( ; count >= 512; count -= 512) { |
ae07d59d SL |
743 | read(file, buff, 512); |
744 | lwrite(startad, 512, buff); | |
9323c1d3 BJ |
745 | startad += 512; |
746 | } | |
ae07d59d | 747 | read(file, buff, count); |
9323c1d3 | 748 | close(file); |
ae07d59d SL |
749 | if (count <= 0) |
750 | return; | |
751 | for (n = count; n < 512; n ++) | |
752 | buff[n] = 0; | |
753 | lwrite(startad, 512, buff); | |
754 | count = (dope->rtdope->rt_len*512-ocount)/512 ; | |
755 | if (count <= 0) | |
756 | return; | |
757 | for ( ; count > 0 ; count--) { | |
9323c1d3 | 758 | startad += 512; |
ae07d59d | 759 | lwrite(startad, 512, zeroes); |
9323c1d3 | 760 | } |
9323c1d3 | 761 | } |
ae07d59d | 762 | |
9323c1d3 BJ |
763 | dcmd() |
764 | { | |
765 | register int i; | |
766 | ||
767 | rt_init(); | |
ae07d59d SL |
768 | if (namc) |
769 | for (i = 0; i < namc; i++) | |
770 | if (rtk(namv[i])==0) | |
771 | namv[i]=0; | |
772 | if (dirdirty) | |
9323c1d3 | 773 | scrunch(); |
9323c1d3 | 774 | } |
ae07d59d | 775 | |
9323c1d3 | 776 | rtk(name) |
ae07d59d | 777 | char *name; |
9323c1d3 BJ |
778 | { |
779 | register FLDOPE *dope; | |
780 | register struct rt_ent *de; | |
781 | FLDOPE *lookup(); | |
782 | ||
ae07d59d | 783 | if (dope = lookup(name)) { |
9323c1d3 BJ |
784 | printf("d - %s\n",name); |
785 | de = dope->rtdope; | |
786 | de->rt_stat = RT_NULL; | |
787 | de->rt_name[0] = 0; | |
788 | de->rt_name[1] = 0; | |
789 | de->rt_name[2] = 0; | |
ae07d59d | 790 | * ((u_short *)&(de->rt_date)) = 0; |
9323c1d3 BJ |
791 | dirdirty = 1; |
792 | return(0); | |
793 | } | |
794 | return(1); | |
795 | } | |
ae07d59d SL |
796 | |
797 | scrunch() | |
798 | { | |
fa61ea79 BJ |
799 | register struct rt_ent *de , *workp; |
800 | register segnum; | |
ae07d59d SL |
801 | |
802 | for (segnum = 0; segnum != -1; | |
fa61ea79 | 803 | segnum = rt_dir[segnum].rt_axhead.rt_nxtseg - 1) { |
ae07d59d SL |
804 | dirdirty = 0; |
805 | for (de = rt_dir[segnum].rt_ents; de <= rt_curend[segnum]; de++) | |
806 | if (de->rt_stat == RT_NULL && de[1].rt_stat == RT_NULL) { | |
807 | (de+1)->rt_len += de->rt_len; | |
808 | for (workp = de; workp < rt_curend[segnum]; workp++) | |
809 | *workp = workp[1]; | |
810 | de--; | |
811 | rt_curend[segnum]--; | |
812 | rt_nleft++; | |
813 | dirdirty = 1; | |
814 | } | |
815 | if (dirdirty) | |
816 | lwrite((6+segnum*2)*RT_BLOCK, 2*RT_BLOCK, | |
817 | (char *)&rt_dir[segnum]); | |
9323c1d3 | 818 | } |
9323c1d3 | 819 | } |