Commit | Line | Data |
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9953372d | 1 | #ifndef lint |
670b62a8 | 2 | static char sccsid[] = "@(#)arff.c 4.16 (Berkeley) 83/07/10"; |
9953372d | 3 | #endif |
ae07d59d | 4 | |
9323c1d3 BJ |
5 | #include <sys/types.h> |
6 | #include <sys/stat.h> | |
ce4fd43b | 7 | #include <sys/time.h> |
9323c1d3 BJ |
8 | #include <signal.h> |
9 | #include <stdio.h> | |
670b62a8 | 10 | #include <sys/file.h> |
ae07d59d | 11 | |
9323c1d3 | 12 | #define dbprintf printf |
ae07d59d | 13 | |
9323c1d3 | 14 | struct rt_dat { |
ae07d59d SL |
15 | u_short rt_yr:5; /* year-1972 */ |
16 | u_short rt_dy:5; /* day */ | |
17 | u_short rt_mo:5; /* month */ | |
9323c1d3 | 18 | }; |
ae07d59d | 19 | |
9323c1d3 BJ |
20 | struct rt_axent { |
21 | char rt_sent[14]; | |
22 | }; | |
23 | ||
24 | struct rt_ent { | |
ae07d59d SL |
25 | char rt_pad; /* unusued */ |
26 | char rt_stat; /* type of entry, or end of seg */ | |
27 | u_short rt_name[3]; /* name, 3 words in rad50 form */ | |
98242db9 | 28 | u_short rt_len; /* length of file */ |
ae07d59d SL |
29 | char rt_chan; /* only used in temporary files */ |
30 | char rt_job; /* only used in temporary files */ | |
9953372d | 31 | struct rt_dat rt_date; /* creation date */ |
9323c1d3 | 32 | }; |
ae07d59d SL |
33 | |
34 | #define RT_TEMP 1 | |
35 | #define RT_NULL 2 | |
36 | #define RT_FILE 4 | |
37 | #define RT_ESEG 8 | |
38 | ||
39 | #define RT_BLOCK 512 /* block size */ | |
40 | #define RT_DIRSIZE 31 /* max # of directory segments */ | |
41 | ||
9323c1d3 | 42 | struct rt_head { |
ae07d59d SL |
43 | short rt_numseg; /* # of segments available */ |
44 | short rt_nxtseg; /* # of next logical segment */ | |
45 | short rt_lstseg; /* highest seg currently open */ | |
46 | u_short rt_entpad; /* extra words/directory entry */ | |
47 | short rt_stfile; /* block # where files begin */ | |
9323c1d3 | 48 | }; |
ae07d59d | 49 | |
9323c1d3 BJ |
50 | struct rt_dir { |
51 | struct rt_head rt_axhead; | |
52 | struct rt_ent rt_ents[72]; | |
ae07d59d | 53 | char _dirpad[6]; |
9323c1d3 | 54 | }; |
ae07d59d | 55 | |
9323c1d3 BJ |
56 | typedef struct fldope { |
57 | int startad; | |
58 | int count; | |
59 | struct rt_ent *rtdope; | |
60 | } FLDOPE; | |
ae07d59d | 61 | |
9323c1d3 | 62 | FLDOPE *lookup(); |
ae07d59d | 63 | |
9953372d SL |
64 | #define rt(p) ((struct rt_ent *) p ) |
65 | #define Ain1 03100 | |
66 | #define Ain2 050 | |
67 | #define flag(c) (flg[('c') - 'a']) | |
9323c1d3 | 68 | |
9953372d SL |
69 | char *man = "rxtd"; |
70 | char zeroes[512]; | |
ae07d59d | 71 | |
9323c1d3 BJ |
72 | extern char *val; |
73 | extern char table[256]; | |
ae07d59d | 74 | struct rt_dir rt_dir[RT_DIRSIZE] = { |
9953372d SL |
75 | { 4, 0, 1, 0, 14 }, |
76 | { { 0, RT_NULL, { 0, 0, 0 }, 494, 0 }, | |
77 | { 0, RT_ESEG } } | |
ae07d59d SL |
78 | }; |
79 | ||
80 | int rt_entsiz; | |
81 | int rt_nleft; | |
82 | struct rt_ent *rt_curend[RT_DIRSIZE]; | |
83 | int floppydes; | |
84 | int dirdirty; | |
85 | char *rt_last; | |
86 | char *defdev = "/dev/floppy"; | |
87 | ||
88 | char *opt = "vf"; | |
9323c1d3 BJ |
89 | |
90 | int signum[] = {SIGHUP, SIGINT, SIGQUIT, 0}; | |
ae07d59d SL |
91 | extern long lseek(); |
92 | int rcmd(), dcmd(), xcmd(), tcmd(); | |
93 | ||
9323c1d3 BJ |
94 | int (*comfun)(); |
95 | char flg[26]; | |
96 | char **namv; | |
97 | int namc; | |
98 | int file; | |
99 | ||
9323c1d3 | 100 | main(argc, argv) |
ae07d59d | 101 | char *argv[]; |
9323c1d3 BJ |
102 | { |
103 | register char *cp; | |
104 | ||
ae07d59d | 105 | if (argc < 2) |
9323c1d3 | 106 | usage(); |
ae07d59d SL |
107 | for (cp = argv[1]; *cp; cp++) |
108 | switch (*cp) { | |
109 | ||
110 | case 'm': | |
111 | case 'v': | |
112 | case 'u': | |
113 | case 'w': | |
114 | flg[*cp-'a']++; | |
115 | continue; | |
116 | case 'c': | |
670b62a8 | 117 | flag(c)++; |
ae07d59d SL |
118 | dirdirty++; |
119 | continue; | |
120 | ||
121 | case 'r': | |
122 | setcom(rcmd); | |
123 | flag(r)++; | |
124 | continue; | |
125 | ||
126 | case 'd': | |
127 | setcom(dcmd); | |
128 | flag(d)++; | |
129 | continue; | |
130 | ||
131 | case 'x': | |
132 | setcom(xcmd); | |
133 | continue; | |
134 | ||
135 | case 't': | |
136 | setcom(tcmd); | |
137 | continue; | |
138 | ||
139 | case 'f': | |
140 | defdev = argv[2]; | |
141 | argv++; | |
142 | argc--; | |
143 | continue; | |
144 | ||
145 | default: | |
146 | fprintf(stderr, "arff: bad option `%c'\n", *cp); | |
147 | exit(1); | |
9323c1d3 | 148 | } |
9323c1d3 | 149 | |
9323c1d3 BJ |
150 | namv = argv+2; |
151 | namc = argc-2; | |
ae07d59d SL |
152 | if (comfun == 0) { |
153 | if (flag(u) == 0) { | |
154 | fprintf(stderr, "arff: one of [%s] must be specified\n", | |
155 | man); | |
9323c1d3 BJ |
156 | exit(1); |
157 | } | |
158 | setcom(rcmd); | |
159 | } | |
160 | (*comfun)(); | |
161 | exit(notfound()); | |
162 | } | |
163 | ||
164 | setcom(fun) | |
ae07d59d | 165 | int (*fun)(); |
9323c1d3 | 166 | { |
ae07d59d | 167 | if (comfun != 0) { |
9323c1d3 BJ |
168 | fprintf(stderr, "arff: only one of [%s] allowed\n", man); |
169 | exit(1); | |
170 | } | |
171 | comfun = fun; | |
172 | } | |
173 | ||
9323c1d3 BJ |
174 | usage() |
175 | { | |
565c6f97 | 176 | fprintf(stderr, "usage: ar [%s][%s] archive files ...\n", opt, man); |
9323c1d3 BJ |
177 | exit(1); |
178 | } | |
179 | ||
9323c1d3 BJ |
180 | notfound() |
181 | { | |
ae07d59d | 182 | register i, n = 0; |
9323c1d3 | 183 | |
ae07d59d SL |
184 | for (i = 0; i < namc; i++) |
185 | if (namv[i]) { | |
9323c1d3 BJ |
186 | fprintf(stderr, "arff: %s not found\n", namv[i]); |
187 | n++; | |
188 | } | |
9953372d | 189 | return (n); |
9323c1d3 BJ |
190 | } |
191 | ||
9323c1d3 BJ |
192 | mesg(c) |
193 | { | |
ae07d59d SL |
194 | if (flag(v)) |
195 | if (c != 'c' || flag(v) > 1) | |
9323c1d3 BJ |
196 | printf("%c - %s\n", c, file); |
197 | } | |
198 | ||
199 | tcmd() | |
200 | { | |
ae07d59d | 201 | register char *de, *last; |
9323c1d3 | 202 | FLDOPE *lookup(), *dope; |
ae07d59d SL |
203 | int segnum, nleft; |
204 | register i; | |
9323c1d3 BJ |
205 | register struct rt_ent *rde; |
206 | ||
207 | rt_init(); | |
9953372d | 208 | if (namc != 0) { |
ae07d59d SL |
209 | for (i = 0; i < namc; i++) |
210 | if (dope = lookup(namv[i])) { | |
9323c1d3 BJ |
211 | rde = dope->rtdope; |
212 | rtls(rde); | |
213 | namv[i] = 0; | |
214 | } | |
9953372d SL |
215 | return; |
216 | } | |
217 | for (segnum = 0; segnum != -1; | |
218 | segnum = rt_dir[segnum].rt_axhead.rt_nxtseg - 1) { | |
219 | last = rt_last + segnum*2*RT_BLOCK; | |
220 | for (de = ((char *)&rt_dir[segnum])+10; de <= last; | |
221 | de += rt_entsiz) | |
222 | if (rtls(rt(de))) { | |
223 | nleft = (last-de)/rt_entsiz; | |
224 | #define ENTRIES "\n%d entries remaining in directory segment %d.\n" | |
225 | printf(ENTRIES, nleft, segnum+1); | |
226 | break; | |
227 | } | |
228 | } | |
9323c1d3 | 229 | } |
ae07d59d | 230 | |
9323c1d3 | 231 | rtls(de) |
ae07d59d | 232 | register struct rt_ent *de; |
9323c1d3 | 233 | { |
ae07d59d | 234 | int month, day, year; |
9323c1d3 BJ |
235 | char name[12], ext[4]; |
236 | ||
ae07d59d | 237 | switch (de->rt_stat) { |
9323c1d3 | 238 | |
ae07d59d SL |
239 | case RT_TEMP: |
240 | if (flag(v)) | |
241 | printf("Tempfile:\n"); | |
242 | /* fall thru...*/ | |
9323c1d3 | 243 | |
ae07d59d SL |
244 | case RT_FILE: |
245 | if (!flag(v)) { | |
246 | sunrad50(name, de->rt_name); | |
247 | printf("%s\n", name); | |
9323c1d3 | 248 | break; |
9323c1d3 | 249 | } |
ae07d59d SL |
250 | unrad50(2, de->rt_name, name); |
251 | unrad50(1, &(de->rt_name[2]), ext); | |
252 | day = de->rt_date.rt_dy; | |
253 | year = de->rt_date.rt_yr+72; | |
254 | month = de->rt_date.rt_mo; | |
255 | printf("%6.6s %3.3s %02d/%02d/%02d %d\n",name, | |
256 | ext, month, day, year, de->rt_len); | |
257 | break; | |
258 | ||
259 | case RT_NULL: | |
260 | printf("%-25.9s %d\n","<UNUSED>", de->rt_len); | |
261 | break; | |
262 | ||
263 | case RT_ESEG: | |
9953372d | 264 | return (1); |
9323c1d3 | 265 | } |
9953372d | 266 | return (0); |
9323c1d3 | 267 | } |
ae07d59d | 268 | |
9323c1d3 BJ |
269 | xcmd() |
270 | { | |
ae07d59d | 271 | register char *de, *last; |
fa61ea79 | 272 | int segnum; |
9323c1d3 BJ |
273 | char name[12]; |
274 | register int i; | |
275 | ||
276 | rt_init(); | |
9953372d | 277 | if (namc != 0) { |
ae07d59d SL |
278 | for (i = 0; i < namc; i++) |
279 | if (rtx(namv[i]) == 0) | |
280 | namv[i] = 0; | |
9953372d SL |
281 | return; |
282 | } | |
283 | for (segnum = 0; segnum != -1; | |
284 | segnum = rt_dir[segnum].rt_axhead.rt_nxtseg-1) | |
285 | for (last = rt_last+(segnum*2*RT_BLOCK), | |
286 | de = ((char *)&rt_dir[segnum])+10; de <= last; | |
287 | de += rt_entsiz) | |
288 | switch (rt(de)->rt_stat) { | |
289 | ||
290 | case RT_ESEG: | |
291 | return; | |
292 | ||
293 | case RT_TEMP: | |
294 | case RT_FILE: | |
295 | sunrad50(name,rt(de)->rt_name); | |
296 | rtx(name); | |
297 | ||
298 | case RT_NULL: | |
299 | break; | |
300 | } | |
9323c1d3 | 301 | } |
ae07d59d | 302 | |
9323c1d3 | 303 | rtx(name) |
ae07d59d | 304 | char *name; |
9323c1d3 BJ |
305 | { |
306 | register FLDOPE *dope; | |
307 | FLDOPE *lookup(); | |
308 | register startad, count; | |
ae07d59d SL |
309 | int file; |
310 | char buff[512]; | |
9323c1d3 BJ |
311 | |
312 | ||
ae07d59d SL |
313 | if (dope = lookup(name)) { |
314 | if (flag(v)) | |
9323c1d3 BJ |
315 | rtls(dope->rtdope); |
316 | else | |
317 | printf("x - %s\n",name); | |
318 | ||
ae07d59d | 319 | if ((file = creat(name, 0666)) < 0) |
9953372d | 320 | return (1); |
9323c1d3 BJ |
321 | count = dope->count; |
322 | startad = dope->startad; | |
323 | for( ; count > 0 ; count -= 512) { | |
ae07d59d SL |
324 | lread(startad, 512, buff); |
325 | write(file, buff, 512); | |
9323c1d3 BJ |
326 | startad += 512; |
327 | } | |
328 | close(file); | |
9953372d | 329 | return (0); |
9323c1d3 | 330 | } |
9953372d | 331 | return (1); |
9323c1d3 | 332 | } |
ae07d59d | 333 | |
9323c1d3 BJ |
334 | rt_init() |
335 | { | |
336 | static initized = 0; | |
ae07d59d | 337 | register char *de, *last; |
fa61ea79 | 338 | register i; |
ffa51da0 KH |
339 | int dirnum; |
340 | char *mode; | |
ffa51da0 | 341 | FILE *temp_floppydes; |
9323c1d3 | 342 | |
ae07d59d SL |
343 | if (initized) |
344 | return; | |
9323c1d3 | 345 | initized = 1; |
670b62a8 SL |
346 | if (flag(c)) { |
347 | struct stat sb; | |
348 | char response[128]; | |
349 | int tty; | |
350 | ||
351 | if (stat(defdev, &sb) >= 0 && (sb.st_mode & S_IFMT) == S_IFREG) | |
352 | goto ignore; | |
353 | tty = open("/dev/tty", O_RDWR); | |
354 | #define SURE "Are you sure you want to clobber the floppy? " | |
355 | write(tty, SURE, sizeof (SURE)); | |
356 | read(tty, response, sizeof (response)); | |
357 | if (*response != 'y') | |
358 | exit(50); | |
359 | close(tty); | |
360 | ignore: | |
361 | ; | |
362 | } | |
ae07d59d | 363 | if (flag(c) || flag(d) || flag(r)) |
ffa51da0 | 364 | mode = "r+"; |
9323c1d3 | 365 | else |
ffa51da0 | 366 | mode = "r"; |
ae07d59d | 367 | if ((temp_floppydes = fopen(defdev, mode)) == NULL) { |
ffa51da0 | 368 | perror(defdev); |
565c6f97 | 369 | exit(1); |
ffa51da0 KH |
370 | } else |
371 | floppydes = fileno(temp_floppydes); | |
ae07d59d SL |
372 | if (!flag(c)) { |
373 | lread(6*RT_BLOCK, 2*RT_BLOCK, (char *)&rt_dir[0]); | |
fa61ea79 | 374 | dirnum = rt_dir[0].rt_axhead.rt_numseg; |
45ee91c7 HS |
375 | /* check for blank/uninitialized diskette */ |
376 | if (dirnum <= 0) { | |
377 | fprintf(stderr,"arff: bad directory format\n"); | |
378 | exit(1); | |
379 | } | |
fa61ea79 | 380 | if (dirnum > RT_DIRSIZE) { |
ae07d59d SL |
381 | fprintf(stderr,"arff: too many directory segments\n"); |
382 | exit(1); | |
fa61ea79 | 383 | } |
ae07d59d SL |
384 | for (i = 1; i < dirnum; i++) |
385 | lread((6+2*i)*RT_BLOCK, 2*RT_BLOCK, (char *)&rt_dir[i]); | |
0dfff170 BJ |
386 | } else |
387 | dirnum = 1; | |
9323c1d3 | 388 | |
fa61ea79 BJ |
389 | rt_entsiz = 2*rt_dir[0].rt_axhead.rt_entpad + 14; |
390 | rt_entsiz = 14; /* assume rt_entpad = 0 ??? */ | |
391 | rt_last = ((char *) &rt_dir[0]) + 10 + 1014/rt_entsiz*rt_entsiz; | |
392 | rt_nleft = 0; | |
393 | ||
ae07d59d SL |
394 | for (i = 0; i < dirnum; i++) { |
395 | last = rt_last + i*2*RT_BLOCK; | |
396 | for (de = ((char *)&rt_dir[i])+10; de <= last; de += rt_entsiz) | |
397 | if (rt(de)->rt_stat == RT_ESEG) | |
398 | break; | |
399 | rt_curend[i] = rt(de); | |
400 | rt_nleft += (last-de)/rt_entsiz; | |
9323c1d3 | 401 | } |
9323c1d3 BJ |
402 | } |
403 | ||
404 | static FLDOPE result; | |
ae07d59d | 405 | |
9323c1d3 BJ |
406 | FLDOPE * |
407 | lookup(name) | |
ae07d59d | 408 | char *name; |
9323c1d3 BJ |
409 | { |
410 | unsigned short rname[3]; | |
ae07d59d | 411 | register char *de, *last; |
fa61ea79 | 412 | int segnum; |
9323c1d3 BJ |
413 | register index; |
414 | ||
415 | srad50(name,rname); | |
416 | ||
565c6f97 | 417 | /* |
9323c1d3 BJ |
418 | * Search for name, accumulate blocks in index |
419 | */ | |
420 | rt_init(); | |
ae07d59d SL |
421 | for (segnum = 0; segnum != -1; |
422 | segnum = rt_dir[segnum].rt_axhead.rt_nxtseg - 1) | |
423 | { | |
424 | index = 0; | |
425 | last = rt_last + segnum*2*RT_BLOCK; | |
426 | for (de=((char *)&rt_dir[segnum])+10; | |
427 | rt(de)->rt_stat != RT_ESEG; de += rt_entsiz) | |
428 | switch(rt(de)->rt_stat) { | |
429 | ||
430 | case RT_FILE: | |
431 | case RT_TEMP: | |
432 | if(samename(rname,rt(de)->rt_name)) { | |
433 | result.count = rt(de)->rt_len * 512; | |
434 | result.startad = 512* | |
435 | (rt_dir[segnum].rt_axhead.rt_stfile + index); | |
436 | result.rtdope = (struct rt_ent *) de; | |
9953372d | 437 | return (&result); |
ae07d59d SL |
438 | } |
439 | ||
440 | case RT_NULL: | |
441 | index += rt(de)->rt_len; | |
442 | } | |
fa61ea79 | 443 | } |
9953372d | 444 | return ((FLDOPE *) 0); |
ae07d59d | 445 | |
9323c1d3 | 446 | } |
ae07d59d | 447 | |
9323c1d3 | 448 | static |
ae07d59d SL |
449 | samename(a, b) |
450 | u_short a[], b[]; | |
9323c1d3 | 451 | { |
9953372d | 452 | return (*a == *b && a[1] == b[1] && a[2] == b[2] ); |
9323c1d3 BJ |
453 | } |
454 | ||
ae07d59d SL |
455 | rad50(cp, out) |
456 | register u_char *cp; | |
457 | u_short *out; | |
9323c1d3 | 458 | { |
ae07d59d | 459 | register index, temp; |
9323c1d3 | 460 | |
ae07d59d | 461 | for (index = 0; *cp; index++) { |
9323c1d3 | 462 | temp = Ain1 * table[*cp++]; |
ae07d59d | 463 | if (*cp!=0) { |
9323c1d3 | 464 | temp += Ain2 * table[*cp++]; |
9323c1d3 BJ |
465 | if(*cp!=0) |
466 | temp += table[*cp++]; | |
467 | } | |
9323c1d3 BJ |
468 | out[index] = temp; |
469 | } | |
470 | } | |
9323c1d3 | 471 | |
ae07d59d SL |
472 | #define reduce(x, p, q) (x = v[p/q], p %= q); |
473 | ||
474 | unrad50(count, in, cp) | |
475 | u_short *in; | |
476 | register char *cp; | |
9323c1d3 | 477 | { |
ae07d59d SL |
478 | register i, temp; |
479 | register u_char *v = (u_char *) val; | |
9323c1d3 | 480 | |
ae07d59d | 481 | for (i = 0; i < count; i++) { |
9323c1d3 | 482 | temp = in[i]; |
ae07d59d SL |
483 | reduce(*cp++, temp, Ain1); |
484 | reduce(*cp++, temp, Ain2); | |
485 | reduce(*cp++, temp, 1); | |
9323c1d3 BJ |
486 | } |
487 | *cp=0; | |
488 | } | |
489 | ||
ae07d59d SL |
490 | srad50(name, rname) |
491 | register char *name; | |
492 | register u_short *rname; | |
9323c1d3 | 493 | { |
ae07d59d SL |
494 | register index; |
495 | register char *cp; | |
496 | char file[7], ext[4]; | |
497 | ||
565c6f97 | 498 | /* |
9323c1d3 BJ |
499 | * Find end of pathname |
500 | */ | |
ae07d59d SL |
501 | for (cp = name; *cp++; ) |
502 | ; | |
503 | while (cp >= name && *--cp != '/') | |
504 | ; | |
9323c1d3 | 505 | cp++; |
565c6f97 | 506 | /* |
9323c1d3 | 507 | * Change to rad50 |
9323c1d3 | 508 | */ |
ae07d59d | 509 | for (index = 0; *cp; ) { |
9323c1d3 | 510 | file[index++] = *cp++; |
ae07d59d | 511 | if (*cp == '.') { |
9323c1d3 BJ |
512 | cp++; |
513 | break; | |
514 | } | |
ae07d59d | 515 | if (index >= 6) { |
9323c1d3 BJ |
516 | break; |
517 | } | |
518 | } | |
519 | file[index] = 0; | |
ae07d59d | 520 | for (index = 0; *cp; ) { |
9323c1d3 | 521 | ext[index++] = *cp++; |
ae07d59d | 522 | if (*cp == '.' || index >= 3) |
9323c1d3 | 523 | break; |
9323c1d3 BJ |
524 | } |
525 | ext[index]=0; | |
ae07d59d SL |
526 | rname[0] = rname[1] = rname[2] = 0; |
527 | rad50((u_char *)file, rname); | |
528 | rad50((u_char *)ext, rname+2); | |
9323c1d3 | 529 | } |
ae07d59d SL |
530 | |
531 | sunrad50(name, rname) | |
532 | u_short rname[]; | |
533 | register char *name; | |
9323c1d3 BJ |
534 | { |
535 | register char *cp, *cp2; | |
536 | char ext[4]; | |
537 | ||
ae07d59d SL |
538 | unrad50(2, rname, name); |
539 | unrad50(1, rname + 2, ext); | |
540 | /* | |
541 | * Jam name and extension together with a dot | |
542 | * deleting white space | |
543 | */ | |
544 | for (cp = name; *cp++;) | |
545 | ; | |
546 | --cp; | |
547 | while (*--cp == ' ' && cp >= name) | |
548 | ; | |
549 | *++cp = '.'; | |
550 | cp++; | |
551 | for (cp2 = ext; *cp2 != ' ' && cp2 < ext+3;) | |
9323c1d3 | 552 | *cp++ = *cp2++; |
9323c1d3 | 553 | *cp=0; |
ae07d59d SL |
554 | if (cp[-1] == '.') |
555 | cp[-1] = 0; | |
9323c1d3 BJ |
556 | } |
557 | ||
558 | static char *oval = " ABCDEFGHIJKLMNOPQRSTUVWXYZ$.@0123456789"; | |
559 | static char *val = " abcdefghijklmnopqrstuvwxyz$.@0123456789"; | |
ae07d59d | 560 | |
9323c1d3 BJ |
561 | static char table[256] = { |
562 | 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, | |
563 | 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, | |
564 | 0, 29, 29, 29, 27, 29, 29, 29, 29, 29, 29, 29, 29, 29, 28, 29, | |
565 | 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 29, 29, 29, 29, 29, 29, | |
566 | 29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |
567 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 29, 29, 29, 29, 29, | |
568 | 29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |
569 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 29, 29, 29, 29, 29, | |
570 | 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, | |
571 | 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, | |
572 | 0, 29, 29, 29, 27, 29, 29, 29, 29, 29, 29, 29, 29, 29, 28, 29, | |
573 | 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 29, 29, 29, 29, 29, 29, | |
574 | 29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |
575 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 29, 29, 29, 29, 29, | |
576 | 29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |
577 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 29, 29, 29, 29 }; | |
578 | ||
ae07d59d SL |
579 | /* |
580 | * Logical to physical adress translation | |
581 | */ | |
582 | long | |
583 | trans(logical) | |
584 | register int logical; | |
9323c1d3 | 585 | { |
9323c1d3 BJ |
586 | register int sector, bytes, track; |
587 | ||
ae07d59d SL |
588 | logical += 26*128; |
589 | bytes = (logical&127); | |
9323c1d3 | 590 | logical >>= 7; |
ae07d59d | 591 | sector = logical%26; |
9323c1d3 | 592 | if(sector >= 13) |
ae07d59d | 593 | sector = sector*2+1; |
9323c1d3 BJ |
594 | else |
595 | sector *= 2; | |
ae07d59d | 596 | sector += 26 + ((track = (logical/26))-1)*6; |
9323c1d3 | 597 | sector %= 26; |
9953372d | 598 | return ((((track*26)+sector) << 7) + bytes); |
9323c1d3 | 599 | } |
ae07d59d SL |
600 | |
601 | lread(startad, count, obuff) | |
602 | register startad, count; | |
603 | register char *obuff; | |
9323c1d3 BJ |
604 | { |
605 | long trans(); | |
606 | extern floppydes; | |
ae07d59d SL |
607 | register int size = flag(m) ? 512 : 128; |
608 | ||
9323c1d3 | 609 | rt_init(); |
ae07d59d SL |
610 | while ((count -= size) >= 0) { |
611 | lseek(floppydes, flag(m) ? | |
612 | (long)startad : trans(startad), 0); | |
613 | if (read(floppydes, obuff, size) != size) | |
614 | fprintf(stderr, "arff: read error block %d\n", | |
615 | startad/size); | |
616 | obuff += size; | |
617 | startad += size; | |
618 | } | |
9323c1d3 | 619 | } |
ae07d59d SL |
620 | |
621 | lwrite(startad, count, obuff) | |
622 | register startad, count; | |
623 | register char *obuff; | |
9323c1d3 BJ |
624 | { |
625 | long trans(); | |
626 | extern floppydes; | |
ae07d59d SL |
627 | register int size = flag(m) ? 512 : 128; |
628 | ||
9323c1d3 | 629 | rt_init(); |
ae07d59d SL |
630 | while ((count -= size) >= 0) { |
631 | lseek(floppydes, flag(m) ? | |
632 | (long)startad : trans(startad), 0); | |
633 | if (write(floppydes, obuff, size) != size) | |
634 | fprintf(stderr, "arff: write error block %d\n", | |
635 | startad/size); | |
636 | obuff += size; | |
637 | startad += size; | |
638 | } | |
9323c1d3 BJ |
639 | } |
640 | ||
641 | rcmd() | |
642 | { | |
643 | register int i; | |
644 | ||
645 | rt_init(); | |
ae07d59d SL |
646 | if (namc > 0) |
647 | for (i = 0; i < namc; i++) | |
648 | if (rtr(namv[i]) == 0) | |
649 | namv[i] = 0; | |
9323c1d3 BJ |
650 | } |
651 | ||
652 | rtr(name) | |
ae07d59d | 653 | char *name; |
9323c1d3 | 654 | { |
ae07d59d SL |
655 | register FLDOPE *dope; |
656 | register struct rt_ent *de; | |
657 | struct stat buf; | |
658 | register struct stat *bufp = &buf; | |
fa61ea79 BJ |
659 | int segnum; |
660 | register char *last; | |
9323c1d3 | 661 | |
ae07d59d | 662 | if (stat(name, bufp) < 0) { |
0dfff170 | 663 | perror(name); |
9953372d | 664 | return (-1); |
0dfff170 | 665 | } |
ae07d59d | 666 | if (dope = lookup(name)) { |
9323c1d3 BJ |
667 | /* can replace, no problem */ |
668 | de = dope->rtdope; | |
ae07d59d | 669 | if (bufp->st_size <= (de->rt_len * 512)) |
9323c1d3 | 670 | printf("r - %s\n",name), |
ae07d59d | 671 | toflop(name, bufp->st_size, dope); |
9323c1d3 | 672 | else { |
9953372d SL |
673 | fprintf(stderr, |
674 | "%s will not fit in currently used file on floppy\n", | |
675 | name); | |
676 | return (-1); | |
9323c1d3 | 677 | } |
9953372d SL |
678 | goto found; |
679 | } | |
680 | /* | |
681 | * Search for vacant spot | |
682 | */ | |
683 | for (segnum = 0; segnum != -1; | |
684 | segnum = rt_dir[segnum].rt_axhead.rt_nxtseg - 1) | |
685 | { | |
686 | last = rt_last + segnum*2*RT_BLOCK; | |
687 | for (de = rt_dir[segnum].rt_ents; | |
688 | rt(de)->rt_stat != RT_ESEG; de++) | |
689 | if ((de)->rt_stat == RT_NULL) { | |
690 | if (bufp->st_size <= (de->rt_len*512)) { | |
691 | printf("a - %s\n",name), | |
692 | mkent(de, segnum, bufp,name); | |
693 | goto found; | |
9323c1d3 | 694 | } |
9953372d SL |
695 | continue; |
696 | } | |
9323c1d3 | 697 | } |
9953372d SL |
698 | printf("%s: no slot for file\n", name); |
699 | return (-1); | |
ae07d59d SL |
700 | |
701 | found: | |
702 | if (dope = lookup(name)) { | |
703 | toflop(name, bufp->st_size, dope); | |
0dfff170 | 704 | return (0); |
9323c1d3 | 705 | } |
0dfff170 BJ |
706 | printf("%s: internal error, added then not found\n", name); |
707 | return (-1); | |
9323c1d3 | 708 | } |
ae07d59d SL |
709 | |
710 | mkent(de, segnum, bufp, name) | |
711 | register struct rt_ent *de; | |
712 | int segnum; | |
713 | register struct stat *bufp; | |
714 | char *name; | |
9323c1d3 | 715 | { |
ae07d59d SL |
716 | struct tm *localtime(); |
717 | register struct tm *timp; | |
718 | register struct rt_ent *workp; | |
719 | int count; | |
9323c1d3 BJ |
720 | |
721 | count = (((bufp->st_size -1) >>9) + 1); | |
ae07d59d SL |
722 | /* make sure there is room */ |
723 | if (de->rt_len == count) | |
9323c1d3 | 724 | goto overwrite; |
ae07d59d SL |
725 | if ((char *)rt_curend[segnum] == (rt_last + (segnum*2*RT_BLOCK))) { |
726 | /* no entries left on segment */ | |
727 | if (flag(o)) | |
9323c1d3 | 728 | goto overwrite; |
9953372d SL |
729 | fprintf(stderr, "Directory segment #%d full on %s\n", |
730 | segnum+1, defdev); | |
9323c1d3 BJ |
731 | exit(1); |
732 | } | |
ae07d59d SL |
733 | /* copy directory entries up */ |
734 | for (workp = rt_curend[segnum]+1; workp > de; workp--) | |
9323c1d3 BJ |
735 | *workp = workp[-1]; |
736 | de[1].rt_len -= count; | |
737 | de->rt_len = count; | |
fa61ea79 | 738 | rt_curend[segnum]++; |
9323c1d3 | 739 | rt_nleft--; |
ae07d59d | 740 | |
9323c1d3 BJ |
741 | overwrite: |
742 | srad50(name,de->rt_name); | |
743 | timp = localtime(&bufp->st_mtime); | |
db34e2f8 | 744 | de->rt_date.rt_dy = timp->tm_mday; |
9323c1d3 BJ |
745 | de->rt_date.rt_mo = timp->tm_mon + 1; |
746 | de->rt_date.rt_yr = timp->tm_year - 72; | |
747 | de->rt_stat = RT_FILE; | |
748 | de->rt_pad = 0; | |
749 | de->rt_chan = 0; | |
750 | de->rt_job = 0; | |
ae07d59d | 751 | lwrite((6+segnum*2)*RT_BLOCK, 2*RT_BLOCK, (char *)&rt_dir[segnum]); |
9323c1d3 BJ |
752 | } |
753 | ||
ae07d59d SL |
754 | toflop(name, ocount, dope) |
755 | char *name; | |
756 | register FLDOPE *dope; | |
757 | long ocount; | |
9323c1d3 BJ |
758 | { |
759 | register file, n, startad = dope->startad, count = ocount; | |
760 | char buff[512]; | |
761 | ||
ae07d59d SL |
762 | file = open(name, 0); |
763 | if (file < 0) { | |
764 | fprintf(stderr, "arff: couldn't open %s\n",name); | |
765 | exit(1); | |
766 | } | |
9323c1d3 | 767 | for( ; count >= 512; count -= 512) { |
ae07d59d SL |
768 | read(file, buff, 512); |
769 | lwrite(startad, 512, buff); | |
9323c1d3 BJ |
770 | startad += 512; |
771 | } | |
ae07d59d | 772 | read(file, buff, count); |
9323c1d3 | 773 | close(file); |
ae07d59d SL |
774 | if (count <= 0) |
775 | return; | |
776 | for (n = count; n < 512; n ++) | |
777 | buff[n] = 0; | |
778 | lwrite(startad, 512, buff); | |
779 | count = (dope->rtdope->rt_len*512-ocount)/512 ; | |
780 | if (count <= 0) | |
781 | return; | |
782 | for ( ; count > 0 ; count--) { | |
9323c1d3 | 783 | startad += 512; |
ae07d59d | 784 | lwrite(startad, 512, zeroes); |
9323c1d3 | 785 | } |
9323c1d3 | 786 | } |
ae07d59d | 787 | |
9323c1d3 BJ |
788 | dcmd() |
789 | { | |
790 | register int i; | |
791 | ||
792 | rt_init(); | |
ae07d59d SL |
793 | if (namc) |
794 | for (i = 0; i < namc; i++) | |
795 | if (rtk(namv[i])==0) | |
796 | namv[i]=0; | |
797 | if (dirdirty) | |
9323c1d3 | 798 | scrunch(); |
9323c1d3 | 799 | } |
ae07d59d | 800 | |
9323c1d3 | 801 | rtk(name) |
ae07d59d | 802 | char *name; |
9323c1d3 BJ |
803 | { |
804 | register FLDOPE *dope; | |
805 | register struct rt_ent *de; | |
806 | FLDOPE *lookup(); | |
807 | ||
ae07d59d | 808 | if (dope = lookup(name)) { |
9323c1d3 BJ |
809 | printf("d - %s\n",name); |
810 | de = dope->rtdope; | |
811 | de->rt_stat = RT_NULL; | |
812 | de->rt_name[0] = 0; | |
813 | de->rt_name[1] = 0; | |
814 | de->rt_name[2] = 0; | |
9953372d | 815 | *((u_short *)&(de->rt_date)) = 0; |
9323c1d3 | 816 | dirdirty = 1; |
9953372d | 817 | return (0); |
9323c1d3 | 818 | } |
9953372d | 819 | return (1); |
9323c1d3 | 820 | } |
ae07d59d SL |
821 | |
822 | scrunch() | |
823 | { | |
fa61ea79 BJ |
824 | register struct rt_ent *de , *workp; |
825 | register segnum; | |
ae07d59d SL |
826 | |
827 | for (segnum = 0; segnum != -1; | |
fa61ea79 | 828 | segnum = rt_dir[segnum].rt_axhead.rt_nxtseg - 1) { |
ae07d59d | 829 | for (de = rt_dir[segnum].rt_ents; de <= rt_curend[segnum]; de++) |
9953372d | 830 | if (de->rt_stat == RT_NULL && |
45ee91c7 | 831 | (de+1)->rt_stat == RT_NULL) { |
ae07d59d | 832 | (de+1)->rt_len += de->rt_len; |
45ee91c7 | 833 | for (workp=de; workp<rt_curend[segnum]; workp++) |
ae07d59d SL |
834 | *workp = workp[1]; |
835 | de--; | |
836 | rt_curend[segnum]--; | |
837 | rt_nleft++; | |
ae07d59d | 838 | } |
45ee91c7 HS |
839 | lwrite((6+segnum*2)*RT_BLOCK, 2*RT_BLOCK, |
840 | (char *)&rt_dir[segnum]); | |
9323c1d3 | 841 | } |
45ee91c7 | 842 | dirdirty = 0; |
9323c1d3 | 843 | } |