Commit | Line | Data |
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9953372d | 1 | #ifndef lint |
9957da67 | 2 | static char sccsid[] = "@(#)arff.c 4.17 (Berkeley) 83/11/18"; |
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; | |
9957da67 | 287 | de += rt_entsiz) { |
9953372d SL |
288 | switch (rt(de)->rt_stat) { |
289 | ||
290 | case RT_ESEG: | |
9957da67 | 291 | break; /* exit loop and try next segment */ |
9953372d SL |
292 | |
293 | case RT_TEMP: | |
294 | case RT_FILE: | |
295 | sunrad50(name,rt(de)->rt_name); | |
296 | rtx(name); | |
297 | ||
298 | case RT_NULL: | |
9957da67 RC |
299 | default: |
300 | continue; | |
9953372d | 301 | } |
9957da67 RC |
302 | break; |
303 | } | |
9323c1d3 | 304 | } |
ae07d59d | 305 | |
9323c1d3 | 306 | rtx(name) |
ae07d59d | 307 | char *name; |
9323c1d3 BJ |
308 | { |
309 | register FLDOPE *dope; | |
310 | FLDOPE *lookup(); | |
311 | register startad, count; | |
ae07d59d SL |
312 | int file; |
313 | char buff[512]; | |
9323c1d3 BJ |
314 | |
315 | ||
ae07d59d SL |
316 | if (dope = lookup(name)) { |
317 | if (flag(v)) | |
9323c1d3 BJ |
318 | rtls(dope->rtdope); |
319 | else | |
320 | printf("x - %s\n",name); | |
321 | ||
ae07d59d | 322 | if ((file = creat(name, 0666)) < 0) |
9953372d | 323 | return (1); |
9323c1d3 BJ |
324 | count = dope->count; |
325 | startad = dope->startad; | |
326 | for( ; count > 0 ; count -= 512) { | |
ae07d59d SL |
327 | lread(startad, 512, buff); |
328 | write(file, buff, 512); | |
9323c1d3 BJ |
329 | startad += 512; |
330 | } | |
331 | close(file); | |
9953372d | 332 | return (0); |
9323c1d3 | 333 | } |
9953372d | 334 | return (1); |
9323c1d3 | 335 | } |
ae07d59d | 336 | |
9323c1d3 BJ |
337 | rt_init() |
338 | { | |
339 | static initized = 0; | |
ae07d59d | 340 | register char *de, *last; |
fa61ea79 | 341 | register i; |
ffa51da0 KH |
342 | int dirnum; |
343 | char *mode; | |
ffa51da0 | 344 | FILE *temp_floppydes; |
9323c1d3 | 345 | |
ae07d59d SL |
346 | if (initized) |
347 | return; | |
9323c1d3 | 348 | initized = 1; |
670b62a8 SL |
349 | if (flag(c)) { |
350 | struct stat sb; | |
351 | char response[128]; | |
352 | int tty; | |
353 | ||
354 | if (stat(defdev, &sb) >= 0 && (sb.st_mode & S_IFMT) == S_IFREG) | |
355 | goto ignore; | |
356 | tty = open("/dev/tty", O_RDWR); | |
357 | #define SURE "Are you sure you want to clobber the floppy? " | |
358 | write(tty, SURE, sizeof (SURE)); | |
359 | read(tty, response, sizeof (response)); | |
360 | if (*response != 'y') | |
361 | exit(50); | |
362 | close(tty); | |
363 | ignore: | |
364 | ; | |
365 | } | |
ae07d59d | 366 | if (flag(c) || flag(d) || flag(r)) |
ffa51da0 | 367 | mode = "r+"; |
9323c1d3 | 368 | else |
ffa51da0 | 369 | mode = "r"; |
ae07d59d | 370 | if ((temp_floppydes = fopen(defdev, mode)) == NULL) { |
ffa51da0 | 371 | perror(defdev); |
565c6f97 | 372 | exit(1); |
ffa51da0 KH |
373 | } else |
374 | floppydes = fileno(temp_floppydes); | |
ae07d59d SL |
375 | if (!flag(c)) { |
376 | lread(6*RT_BLOCK, 2*RT_BLOCK, (char *)&rt_dir[0]); | |
fa61ea79 | 377 | dirnum = rt_dir[0].rt_axhead.rt_numseg; |
45ee91c7 HS |
378 | /* check for blank/uninitialized diskette */ |
379 | if (dirnum <= 0) { | |
380 | fprintf(stderr,"arff: bad directory format\n"); | |
381 | exit(1); | |
382 | } | |
fa61ea79 | 383 | if (dirnum > RT_DIRSIZE) { |
ae07d59d SL |
384 | fprintf(stderr,"arff: too many directory segments\n"); |
385 | exit(1); | |
fa61ea79 | 386 | } |
ae07d59d SL |
387 | for (i = 1; i < dirnum; i++) |
388 | lread((6+2*i)*RT_BLOCK, 2*RT_BLOCK, (char *)&rt_dir[i]); | |
0dfff170 BJ |
389 | } else |
390 | dirnum = 1; | |
9323c1d3 | 391 | |
fa61ea79 BJ |
392 | rt_entsiz = 2*rt_dir[0].rt_axhead.rt_entpad + 14; |
393 | rt_entsiz = 14; /* assume rt_entpad = 0 ??? */ | |
394 | rt_last = ((char *) &rt_dir[0]) + 10 + 1014/rt_entsiz*rt_entsiz; | |
395 | rt_nleft = 0; | |
396 | ||
ae07d59d SL |
397 | for (i = 0; i < dirnum; i++) { |
398 | last = rt_last + i*2*RT_BLOCK; | |
399 | for (de = ((char *)&rt_dir[i])+10; de <= last; de += rt_entsiz) | |
400 | if (rt(de)->rt_stat == RT_ESEG) | |
401 | break; | |
402 | rt_curend[i] = rt(de); | |
403 | rt_nleft += (last-de)/rt_entsiz; | |
9323c1d3 | 404 | } |
9323c1d3 BJ |
405 | } |
406 | ||
407 | static FLDOPE result; | |
ae07d59d | 408 | |
9323c1d3 BJ |
409 | FLDOPE * |
410 | lookup(name) | |
ae07d59d | 411 | char *name; |
9323c1d3 BJ |
412 | { |
413 | unsigned short rname[3]; | |
ae07d59d | 414 | register char *de, *last; |
fa61ea79 | 415 | int segnum; |
9323c1d3 BJ |
416 | register index; |
417 | ||
418 | srad50(name,rname); | |
419 | ||
565c6f97 | 420 | /* |
9323c1d3 BJ |
421 | * Search for name, accumulate blocks in index |
422 | */ | |
423 | rt_init(); | |
ae07d59d SL |
424 | for (segnum = 0; segnum != -1; |
425 | segnum = rt_dir[segnum].rt_axhead.rt_nxtseg - 1) | |
426 | { | |
427 | index = 0; | |
428 | last = rt_last + segnum*2*RT_BLOCK; | |
429 | for (de=((char *)&rt_dir[segnum])+10; | |
430 | rt(de)->rt_stat != RT_ESEG; de += rt_entsiz) | |
431 | switch(rt(de)->rt_stat) { | |
432 | ||
433 | case RT_FILE: | |
434 | case RT_TEMP: | |
435 | if(samename(rname,rt(de)->rt_name)) { | |
436 | result.count = rt(de)->rt_len * 512; | |
437 | result.startad = 512* | |
438 | (rt_dir[segnum].rt_axhead.rt_stfile + index); | |
439 | result.rtdope = (struct rt_ent *) de; | |
9953372d | 440 | return (&result); |
ae07d59d SL |
441 | } |
442 | ||
443 | case RT_NULL: | |
444 | index += rt(de)->rt_len; | |
445 | } | |
fa61ea79 | 446 | } |
9953372d | 447 | return ((FLDOPE *) 0); |
ae07d59d | 448 | |
9323c1d3 | 449 | } |
ae07d59d | 450 | |
9323c1d3 | 451 | static |
ae07d59d SL |
452 | samename(a, b) |
453 | u_short a[], b[]; | |
9323c1d3 | 454 | { |
9953372d | 455 | return (*a == *b && a[1] == b[1] && a[2] == b[2] ); |
9323c1d3 BJ |
456 | } |
457 | ||
ae07d59d SL |
458 | rad50(cp, out) |
459 | register u_char *cp; | |
460 | u_short *out; | |
9323c1d3 | 461 | { |
ae07d59d | 462 | register index, temp; |
9323c1d3 | 463 | |
ae07d59d | 464 | for (index = 0; *cp; index++) { |
9323c1d3 | 465 | temp = Ain1 * table[*cp++]; |
ae07d59d | 466 | if (*cp!=0) { |
9323c1d3 | 467 | temp += Ain2 * table[*cp++]; |
9323c1d3 BJ |
468 | if(*cp!=0) |
469 | temp += table[*cp++]; | |
470 | } | |
9323c1d3 BJ |
471 | out[index] = temp; |
472 | } | |
473 | } | |
9323c1d3 | 474 | |
ae07d59d SL |
475 | #define reduce(x, p, q) (x = v[p/q], p %= q); |
476 | ||
477 | unrad50(count, in, cp) | |
478 | u_short *in; | |
479 | register char *cp; | |
9323c1d3 | 480 | { |
ae07d59d SL |
481 | register i, temp; |
482 | register u_char *v = (u_char *) val; | |
9323c1d3 | 483 | |
ae07d59d | 484 | for (i = 0; i < count; i++) { |
9323c1d3 | 485 | temp = in[i]; |
ae07d59d SL |
486 | reduce(*cp++, temp, Ain1); |
487 | reduce(*cp++, temp, Ain2); | |
488 | reduce(*cp++, temp, 1); | |
9323c1d3 BJ |
489 | } |
490 | *cp=0; | |
491 | } | |
492 | ||
ae07d59d SL |
493 | srad50(name, rname) |
494 | register char *name; | |
495 | register u_short *rname; | |
9323c1d3 | 496 | { |
ae07d59d SL |
497 | register index; |
498 | register char *cp; | |
499 | char file[7], ext[4]; | |
500 | ||
565c6f97 | 501 | /* |
9323c1d3 BJ |
502 | * Find end of pathname |
503 | */ | |
ae07d59d SL |
504 | for (cp = name; *cp++; ) |
505 | ; | |
506 | while (cp >= name && *--cp != '/') | |
507 | ; | |
9323c1d3 | 508 | cp++; |
565c6f97 | 509 | /* |
9323c1d3 | 510 | * Change to rad50 |
9323c1d3 | 511 | */ |
ae07d59d | 512 | for (index = 0; *cp; ) { |
9323c1d3 | 513 | file[index++] = *cp++; |
ae07d59d | 514 | if (*cp == '.') { |
9323c1d3 BJ |
515 | cp++; |
516 | break; | |
517 | } | |
ae07d59d | 518 | if (index >= 6) { |
9323c1d3 BJ |
519 | break; |
520 | } | |
521 | } | |
522 | file[index] = 0; | |
ae07d59d | 523 | for (index = 0; *cp; ) { |
9323c1d3 | 524 | ext[index++] = *cp++; |
ae07d59d | 525 | if (*cp == '.' || index >= 3) |
9323c1d3 | 526 | break; |
9323c1d3 BJ |
527 | } |
528 | ext[index]=0; | |
ae07d59d SL |
529 | rname[0] = rname[1] = rname[2] = 0; |
530 | rad50((u_char *)file, rname); | |
531 | rad50((u_char *)ext, rname+2); | |
9323c1d3 | 532 | } |
ae07d59d SL |
533 | |
534 | sunrad50(name, rname) | |
535 | u_short rname[]; | |
536 | register char *name; | |
9323c1d3 BJ |
537 | { |
538 | register char *cp, *cp2; | |
539 | char ext[4]; | |
540 | ||
ae07d59d SL |
541 | unrad50(2, rname, name); |
542 | unrad50(1, rname + 2, ext); | |
543 | /* | |
544 | * Jam name and extension together with a dot | |
545 | * deleting white space | |
546 | */ | |
547 | for (cp = name; *cp++;) | |
548 | ; | |
549 | --cp; | |
550 | while (*--cp == ' ' && cp >= name) | |
551 | ; | |
552 | *++cp = '.'; | |
553 | cp++; | |
554 | for (cp2 = ext; *cp2 != ' ' && cp2 < ext+3;) | |
9323c1d3 | 555 | *cp++ = *cp2++; |
9323c1d3 | 556 | *cp=0; |
ae07d59d SL |
557 | if (cp[-1] == '.') |
558 | cp[-1] = 0; | |
9323c1d3 BJ |
559 | } |
560 | ||
561 | static char *oval = " ABCDEFGHIJKLMNOPQRSTUVWXYZ$.@0123456789"; | |
562 | static char *val = " abcdefghijklmnopqrstuvwxyz$.@0123456789"; | |
ae07d59d | 563 | |
9323c1d3 BJ |
564 | static char table[256] = { |
565 | 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, | |
566 | 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, | |
567 | 0, 29, 29, 29, 27, 29, 29, 29, 29, 29, 29, 29, 29, 29, 28, 29, | |
568 | 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 29, 29, 29, 29, 29, 29, | |
569 | 29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |
570 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 29, 29, 29, 29, 29, | |
571 | 29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |
572 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 29, 29, 29, 29, 29, | |
573 | 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, | |
574 | 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, | |
575 | 0, 29, 29, 29, 27, 29, 29, 29, 29, 29, 29, 29, 29, 29, 28, 29, | |
576 | 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 29, 29, 29, 29, 29, 29, | |
577 | 29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |
578 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 29, 29, 29, 29, 29, | |
579 | 29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |
580 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 29, 29, 29, 29 }; | |
581 | ||
ae07d59d SL |
582 | /* |
583 | * Logical to physical adress translation | |
584 | */ | |
585 | long | |
586 | trans(logical) | |
587 | register int logical; | |
9323c1d3 | 588 | { |
9323c1d3 BJ |
589 | register int sector, bytes, track; |
590 | ||
ae07d59d SL |
591 | logical += 26*128; |
592 | bytes = (logical&127); | |
9323c1d3 | 593 | logical >>= 7; |
ae07d59d | 594 | sector = logical%26; |
9323c1d3 | 595 | if(sector >= 13) |
ae07d59d | 596 | sector = sector*2+1; |
9323c1d3 BJ |
597 | else |
598 | sector *= 2; | |
ae07d59d | 599 | sector += 26 + ((track = (logical/26))-1)*6; |
9323c1d3 | 600 | sector %= 26; |
9953372d | 601 | return ((((track*26)+sector) << 7) + bytes); |
9323c1d3 | 602 | } |
ae07d59d SL |
603 | |
604 | lread(startad, count, obuff) | |
605 | register startad, count; | |
606 | register char *obuff; | |
9323c1d3 BJ |
607 | { |
608 | long trans(); | |
609 | extern floppydes; | |
ae07d59d SL |
610 | register int size = flag(m) ? 512 : 128; |
611 | ||
9323c1d3 | 612 | rt_init(); |
ae07d59d SL |
613 | while ((count -= size) >= 0) { |
614 | lseek(floppydes, flag(m) ? | |
615 | (long)startad : trans(startad), 0); | |
616 | if (read(floppydes, obuff, size) != size) | |
617 | fprintf(stderr, "arff: read error block %d\n", | |
618 | startad/size); | |
619 | obuff += size; | |
620 | startad += size; | |
621 | } | |
9323c1d3 | 622 | } |
ae07d59d SL |
623 | |
624 | lwrite(startad, count, obuff) | |
625 | register startad, count; | |
626 | register char *obuff; | |
9323c1d3 BJ |
627 | { |
628 | long trans(); | |
629 | extern floppydes; | |
ae07d59d SL |
630 | register int size = flag(m) ? 512 : 128; |
631 | ||
9323c1d3 | 632 | rt_init(); |
ae07d59d SL |
633 | while ((count -= size) >= 0) { |
634 | lseek(floppydes, flag(m) ? | |
635 | (long)startad : trans(startad), 0); | |
636 | if (write(floppydes, obuff, size) != size) | |
637 | fprintf(stderr, "arff: write error block %d\n", | |
638 | startad/size); | |
639 | obuff += size; | |
640 | startad += size; | |
641 | } | |
9323c1d3 BJ |
642 | } |
643 | ||
644 | rcmd() | |
645 | { | |
646 | register int i; | |
647 | ||
648 | rt_init(); | |
ae07d59d SL |
649 | if (namc > 0) |
650 | for (i = 0; i < namc; i++) | |
651 | if (rtr(namv[i]) == 0) | |
652 | namv[i] = 0; | |
9323c1d3 BJ |
653 | } |
654 | ||
655 | rtr(name) | |
ae07d59d | 656 | char *name; |
9323c1d3 | 657 | { |
ae07d59d SL |
658 | register FLDOPE *dope; |
659 | register struct rt_ent *de; | |
660 | struct stat buf; | |
661 | register struct stat *bufp = &buf; | |
fa61ea79 BJ |
662 | int segnum; |
663 | register char *last; | |
9323c1d3 | 664 | |
ae07d59d | 665 | if (stat(name, bufp) < 0) { |
0dfff170 | 666 | perror(name); |
9953372d | 667 | return (-1); |
0dfff170 | 668 | } |
ae07d59d | 669 | if (dope = lookup(name)) { |
9323c1d3 BJ |
670 | /* can replace, no problem */ |
671 | de = dope->rtdope; | |
ae07d59d | 672 | if (bufp->st_size <= (de->rt_len * 512)) |
9323c1d3 | 673 | printf("r - %s\n",name), |
ae07d59d | 674 | toflop(name, bufp->st_size, dope); |
9323c1d3 | 675 | else { |
9953372d SL |
676 | fprintf(stderr, |
677 | "%s will not fit in currently used file on floppy\n", | |
678 | name); | |
679 | return (-1); | |
9323c1d3 | 680 | } |
9953372d SL |
681 | goto found; |
682 | } | |
683 | /* | |
684 | * Search for vacant spot | |
685 | */ | |
686 | for (segnum = 0; segnum != -1; | |
687 | segnum = rt_dir[segnum].rt_axhead.rt_nxtseg - 1) | |
688 | { | |
689 | last = rt_last + segnum*2*RT_BLOCK; | |
690 | for (de = rt_dir[segnum].rt_ents; | |
691 | rt(de)->rt_stat != RT_ESEG; de++) | |
692 | if ((de)->rt_stat == RT_NULL) { | |
693 | if (bufp->st_size <= (de->rt_len*512)) { | |
694 | printf("a - %s\n",name), | |
695 | mkent(de, segnum, bufp,name); | |
696 | goto found; | |
9323c1d3 | 697 | } |
9953372d SL |
698 | continue; |
699 | } | |
9323c1d3 | 700 | } |
9953372d SL |
701 | printf("%s: no slot for file\n", name); |
702 | return (-1); | |
ae07d59d SL |
703 | |
704 | found: | |
705 | if (dope = lookup(name)) { | |
706 | toflop(name, bufp->st_size, dope); | |
0dfff170 | 707 | return (0); |
9323c1d3 | 708 | } |
0dfff170 BJ |
709 | printf("%s: internal error, added then not found\n", name); |
710 | return (-1); | |
9323c1d3 | 711 | } |
ae07d59d SL |
712 | |
713 | mkent(de, segnum, bufp, name) | |
714 | register struct rt_ent *de; | |
715 | int segnum; | |
716 | register struct stat *bufp; | |
717 | char *name; | |
9323c1d3 | 718 | { |
ae07d59d SL |
719 | struct tm *localtime(); |
720 | register struct tm *timp; | |
721 | register struct rt_ent *workp; | |
722 | int count; | |
9323c1d3 BJ |
723 | |
724 | count = (((bufp->st_size -1) >>9) + 1); | |
ae07d59d SL |
725 | /* make sure there is room */ |
726 | if (de->rt_len == count) | |
9323c1d3 | 727 | goto overwrite; |
ae07d59d SL |
728 | if ((char *)rt_curend[segnum] == (rt_last + (segnum*2*RT_BLOCK))) { |
729 | /* no entries left on segment */ | |
730 | if (flag(o)) | |
9323c1d3 | 731 | goto overwrite; |
9953372d SL |
732 | fprintf(stderr, "Directory segment #%d full on %s\n", |
733 | segnum+1, defdev); | |
9323c1d3 BJ |
734 | exit(1); |
735 | } | |
ae07d59d SL |
736 | /* copy directory entries up */ |
737 | for (workp = rt_curend[segnum]+1; workp > de; workp--) | |
9323c1d3 BJ |
738 | *workp = workp[-1]; |
739 | de[1].rt_len -= count; | |
740 | de->rt_len = count; | |
fa61ea79 | 741 | rt_curend[segnum]++; |
9323c1d3 | 742 | rt_nleft--; |
ae07d59d | 743 | |
9323c1d3 BJ |
744 | overwrite: |
745 | srad50(name,de->rt_name); | |
746 | timp = localtime(&bufp->st_mtime); | |
db34e2f8 | 747 | de->rt_date.rt_dy = timp->tm_mday; |
9323c1d3 BJ |
748 | de->rt_date.rt_mo = timp->tm_mon + 1; |
749 | de->rt_date.rt_yr = timp->tm_year - 72; | |
750 | de->rt_stat = RT_FILE; | |
751 | de->rt_pad = 0; | |
752 | de->rt_chan = 0; | |
753 | de->rt_job = 0; | |
ae07d59d | 754 | lwrite((6+segnum*2)*RT_BLOCK, 2*RT_BLOCK, (char *)&rt_dir[segnum]); |
9323c1d3 BJ |
755 | } |
756 | ||
ae07d59d SL |
757 | toflop(name, ocount, dope) |
758 | char *name; | |
759 | register FLDOPE *dope; | |
760 | long ocount; | |
9323c1d3 BJ |
761 | { |
762 | register file, n, startad = dope->startad, count = ocount; | |
763 | char buff[512]; | |
764 | ||
ae07d59d SL |
765 | file = open(name, 0); |
766 | if (file < 0) { | |
767 | fprintf(stderr, "arff: couldn't open %s\n",name); | |
768 | exit(1); | |
769 | } | |
9323c1d3 | 770 | for( ; count >= 512; count -= 512) { |
ae07d59d SL |
771 | read(file, buff, 512); |
772 | lwrite(startad, 512, buff); | |
9323c1d3 BJ |
773 | startad += 512; |
774 | } | |
ae07d59d | 775 | read(file, buff, count); |
9323c1d3 | 776 | close(file); |
ae07d59d SL |
777 | if (count <= 0) |
778 | return; | |
779 | for (n = count; n < 512; n ++) | |
780 | buff[n] = 0; | |
781 | lwrite(startad, 512, buff); | |
782 | count = (dope->rtdope->rt_len*512-ocount)/512 ; | |
783 | if (count <= 0) | |
784 | return; | |
785 | for ( ; count > 0 ; count--) { | |
9323c1d3 | 786 | startad += 512; |
ae07d59d | 787 | lwrite(startad, 512, zeroes); |
9323c1d3 | 788 | } |
9323c1d3 | 789 | } |
ae07d59d | 790 | |
9323c1d3 BJ |
791 | dcmd() |
792 | { | |
793 | register int i; | |
794 | ||
795 | rt_init(); | |
ae07d59d SL |
796 | if (namc) |
797 | for (i = 0; i < namc; i++) | |
798 | if (rtk(namv[i])==0) | |
799 | namv[i]=0; | |
800 | if (dirdirty) | |
9323c1d3 | 801 | scrunch(); |
9323c1d3 | 802 | } |
ae07d59d | 803 | |
9323c1d3 | 804 | rtk(name) |
ae07d59d | 805 | char *name; |
9323c1d3 BJ |
806 | { |
807 | register FLDOPE *dope; | |
808 | register struct rt_ent *de; | |
809 | FLDOPE *lookup(); | |
810 | ||
ae07d59d | 811 | if (dope = lookup(name)) { |
9323c1d3 BJ |
812 | printf("d - %s\n",name); |
813 | de = dope->rtdope; | |
814 | de->rt_stat = RT_NULL; | |
815 | de->rt_name[0] = 0; | |
816 | de->rt_name[1] = 0; | |
817 | de->rt_name[2] = 0; | |
9953372d | 818 | *((u_short *)&(de->rt_date)) = 0; |
9323c1d3 | 819 | dirdirty = 1; |
9953372d | 820 | return (0); |
9323c1d3 | 821 | } |
9953372d | 822 | return (1); |
9323c1d3 | 823 | } |
ae07d59d SL |
824 | |
825 | scrunch() | |
826 | { | |
fa61ea79 BJ |
827 | register struct rt_ent *de , *workp; |
828 | register segnum; | |
ae07d59d SL |
829 | |
830 | for (segnum = 0; segnum != -1; | |
fa61ea79 | 831 | segnum = rt_dir[segnum].rt_axhead.rt_nxtseg - 1) { |
ae07d59d | 832 | for (de = rt_dir[segnum].rt_ents; de <= rt_curend[segnum]; de++) |
9953372d | 833 | if (de->rt_stat == RT_NULL && |
45ee91c7 | 834 | (de+1)->rt_stat == RT_NULL) { |
ae07d59d | 835 | (de+1)->rt_len += de->rt_len; |
45ee91c7 | 836 | for (workp=de; workp<rt_curend[segnum]; workp++) |
ae07d59d SL |
837 | *workp = workp[1]; |
838 | de--; | |
839 | rt_curend[segnum]--; | |
840 | rt_nleft++; | |
ae07d59d | 841 | } |
45ee91c7 HS |
842 | lwrite((6+segnum*2)*RT_BLOCK, 2*RT_BLOCK, |
843 | (char *)&rt_dir[segnum]); | |
9323c1d3 | 844 | } |
45ee91c7 | 845 | dirdirty = 0; |
9323c1d3 | 846 | } |