Commit | Line | Data |
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761330fe DF |
1 | /* |
2 | * Copyright (c) 1980 Regents of the University of California. | |
3 | * All rights reserved. The Berkeley software License Agreement | |
4 | * specifies the terms and conditions for redistribution. | |
5 | */ | |
6 | ||
7 | #ifndef lint | |
8 | char copyright[] = | |
9 | "@(#) Copyright (c) 1980 Regents of the University of California.\n\ | |
10 | All rights reserved.\n"; | |
11 | #endif not lint | |
12 | ||
9953372d | 13 | #ifndef lint |
7abf8d65 | 14 | static char sccsid[] = "@(#)arff.c 5.7 (Berkeley) %G%"; |
761330fe | 15 | #endif not lint |
ae07d59d | 16 | |
9323c1d3 BJ |
17 | #include <sys/types.h> |
18 | #include <sys/stat.h> | |
ce4fd43b | 19 | #include <sys/time.h> |
7abf8d65 | 20 | #include <sys/signal.h> |
670b62a8 | 21 | #include <sys/file.h> |
7abf8d65 KB |
22 | #include <stdio.h> |
23 | #include "pathnames.h" | |
ae07d59d | 24 | |
9323c1d3 | 25 | #define dbprintf printf |
ae07d59d | 26 | |
9323c1d3 | 27 | struct rt_dat { |
ae07d59d SL |
28 | u_short rt_yr:5; /* year-1972 */ |
29 | u_short rt_dy:5; /* day */ | |
30 | u_short rt_mo:5; /* month */ | |
9323c1d3 | 31 | }; |
ae07d59d | 32 | |
9323c1d3 BJ |
33 | struct rt_axent { |
34 | char rt_sent[14]; | |
35 | }; | |
36 | ||
37 | struct rt_ent { | |
ae07d59d | 38 | char rt_pad; /* unusued */ |
1c6c6a0a | 39 | u_char rt_stat; /* type of entry, or end of seg */ |
ae07d59d | 40 | u_short rt_name[3]; /* name, 3 words in rad50 form */ |
98242db9 | 41 | u_short rt_len; /* length of file */ |
1c6c6a0a | 42 | u_char rt_chan; /* only used in temporary files */ |
ae07d59d | 43 | char rt_job; /* only used in temporary files */ |
9953372d | 44 | struct rt_dat rt_date; /* creation date */ |
9323c1d3 | 45 | }; |
ae07d59d SL |
46 | |
47 | #define RT_TEMP 1 | |
48 | #define RT_NULL 2 | |
49 | #define RT_FILE 4 | |
1c6c6a0a | 50 | #define RT_PFILE (0200|RT_FILE) /* protected file */ |
ae07d59d SL |
51 | #define RT_ESEG 8 |
52 | ||
53 | #define RT_BLOCK 512 /* block size */ | |
54 | #define RT_DIRSIZE 31 /* max # of directory segments */ | |
55 | ||
9323c1d3 | 56 | struct rt_head { |
ae07d59d SL |
57 | short rt_numseg; /* # of segments available */ |
58 | short rt_nxtseg; /* # of next logical segment */ | |
59 | short rt_lstseg; /* highest seg currently open */ | |
60 | u_short rt_entpad; /* extra words/directory entry */ | |
61 | short rt_stfile; /* block # where files begin */ | |
9323c1d3 | 62 | }; |
ae07d59d | 63 | |
9323c1d3 BJ |
64 | struct rt_dir { |
65 | struct rt_head rt_axhead; | |
66 | struct rt_ent rt_ents[72]; | |
ae07d59d | 67 | char _dirpad[6]; |
9323c1d3 | 68 | }; |
ae07d59d | 69 | |
89be8e54 JB |
70 | #define rd_numseg rt_axhead.rt_numseg |
71 | #define rd_nxtseg rt_axhead.rt_nxtseg | |
72 | #define rd_lstseg rt_axhead.rt_lstseg | |
73 | #define rd_entpad rt_axhead.rt_entpad | |
74 | #define rd_stfile rt_axhead.rt_stfile | |
75 | ||
9323c1d3 BJ |
76 | typedef struct fldope { |
77 | int startad; | |
78 | int count; | |
79 | struct rt_ent *rtdope; | |
80 | } FLDOPE; | |
ae07d59d | 81 | |
9323c1d3 | 82 | FLDOPE *lookup(); |
ae07d59d | 83 | |
9953372d SL |
84 | #define rt(p) ((struct rt_ent *) p ) |
85 | #define Ain1 03100 | |
86 | #define Ain2 050 | |
87 | #define flag(c) (flg[('c') - 'a']) | |
9323c1d3 | 88 | |
9953372d SL |
89 | char *man = "rxtd"; |
90 | char zeroes[512]; | |
ae07d59d | 91 | |
9323c1d3 BJ |
92 | extern char *val; |
93 | extern char table[256]; | |
ae07d59d | 94 | struct rt_dir rt_dir[RT_DIRSIZE] = { |
1fdf3599 | 95 | { |
9953372d | 96 | { 4, 0, 1, 0, 14 }, |
89be8e54 JB |
97 | { { 0, RT_NULL, { 0, 0, 0 }, 486, 0 }, |
98 | { 0, RT_ESEG } } | |
1fdf3599 | 99 | } |
89be8e54 JB |
100 | }; |
101 | ||
102 | struct rt_dir rt_nulldir = { | |
103 | { 0, 0, 0, 0, 0 }, | |
104 | { { 0, RT_NULL, { 0, 0, 0 }, 0, 0 }, | |
9953372d | 105 | { 0, RT_ESEG } } |
ae07d59d SL |
106 | }; |
107 | ||
108 | int rt_entsiz; | |
109 | int rt_nleft; | |
110 | struct rt_ent *rt_curend[RT_DIRSIZE]; | |
111 | int floppydes; | |
112 | int dirdirty; | |
113 | char *rt_last; | |
7abf8d65 | 114 | char *defdev = _PATH_FLOPPY; |
ae07d59d | 115 | |
89be8e54 | 116 | char *opt = "vfbcm"; |
9323c1d3 | 117 | |
ae07d59d SL |
118 | extern long lseek(); |
119 | int rcmd(), dcmd(), xcmd(), tcmd(); | |
120 | ||
9323c1d3 BJ |
121 | int (*comfun)(); |
122 | char flg[26]; | |
123 | char **namv; | |
124 | int namc; | |
9323c1d3 | 125 | |
9323c1d3 | 126 | main(argc, argv) |
ae07d59d | 127 | char *argv[]; |
9323c1d3 BJ |
128 | { |
129 | register char *cp; | |
130 | ||
ae07d59d | 131 | if (argc < 2) |
9323c1d3 | 132 | usage(); |
ae07d59d SL |
133 | for (cp = argv[1]; *cp; cp++) |
134 | switch (*cp) { | |
135 | ||
136 | case 'm': | |
137 | case 'v': | |
138 | case 'u': | |
139 | case 'w': | |
89be8e54 | 140 | case 'b': |
ae07d59d SL |
141 | flg[*cp-'a']++; |
142 | continue; | |
143 | case 'c': | |
670b62a8 | 144 | flag(c)++; |
ae07d59d SL |
145 | dirdirty++; |
146 | continue; | |
147 | ||
148 | case 'r': | |
149 | setcom(rcmd); | |
150 | flag(r)++; | |
151 | continue; | |
152 | ||
153 | case 'd': | |
154 | setcom(dcmd); | |
155 | flag(d)++; | |
156 | continue; | |
157 | ||
158 | case 'x': | |
159 | setcom(xcmd); | |
160 | continue; | |
161 | ||
162 | case 't': | |
163 | setcom(tcmd); | |
164 | continue; | |
165 | ||
166 | case 'f': | |
167 | defdev = argv[2]; | |
168 | argv++; | |
169 | argc--; | |
170 | continue; | |
171 | ||
172 | default: | |
173 | fprintf(stderr, "arff: bad option `%c'\n", *cp); | |
174 | exit(1); | |
9323c1d3 | 175 | } |
9323c1d3 | 176 | |
9323c1d3 BJ |
177 | namv = argv+2; |
178 | namc = argc-2; | |
ae07d59d SL |
179 | if (comfun == 0) { |
180 | if (flag(u) == 0) { | |
181 | fprintf(stderr, "arff: one of [%s] must be specified\n", | |
182 | man); | |
9323c1d3 BJ |
183 | exit(1); |
184 | } | |
185 | setcom(rcmd); | |
186 | } | |
187 | (*comfun)(); | |
188 | exit(notfound()); | |
189 | } | |
190 | ||
191 | setcom(fun) | |
ae07d59d | 192 | int (*fun)(); |
9323c1d3 | 193 | { |
ae07d59d | 194 | if (comfun != 0) { |
9323c1d3 BJ |
195 | fprintf(stderr, "arff: only one of [%s] allowed\n", man); |
196 | exit(1); | |
197 | } | |
198 | comfun = fun; | |
199 | } | |
200 | ||
9323c1d3 BJ |
201 | usage() |
202 | { | |
565c6f97 | 203 | fprintf(stderr, "usage: ar [%s][%s] archive files ...\n", opt, man); |
9323c1d3 BJ |
204 | exit(1); |
205 | } | |
206 | ||
9323c1d3 BJ |
207 | notfound() |
208 | { | |
ae07d59d | 209 | register i, n = 0; |
9323c1d3 | 210 | |
ae07d59d SL |
211 | for (i = 0; i < namc; i++) |
212 | if (namv[i]) { | |
9323c1d3 BJ |
213 | fprintf(stderr, "arff: %s not found\n", namv[i]); |
214 | n++; | |
215 | } | |
9953372d | 216 | return (n); |
9323c1d3 BJ |
217 | } |
218 | ||
9323c1d3 BJ |
219 | tcmd() |
220 | { | |
ae07d59d | 221 | register char *de, *last; |
9323c1d3 | 222 | FLDOPE *lookup(), *dope; |
ae07d59d SL |
223 | int segnum, nleft; |
224 | register i; | |
9323c1d3 BJ |
225 | register struct rt_ent *rde; |
226 | ||
227 | rt_init(); | |
9953372d | 228 | if (namc != 0) { |
ae07d59d SL |
229 | for (i = 0; i < namc; i++) |
230 | if (dope = lookup(namv[i])) { | |
9323c1d3 | 231 | rde = dope->rtdope; |
89be8e54 | 232 | (void) rtls(rde); |
9323c1d3 BJ |
233 | namv[i] = 0; |
234 | } | |
9953372d SL |
235 | return; |
236 | } | |
237 | for (segnum = 0; segnum != -1; | |
89be8e54 | 238 | segnum = rt_dir[segnum].rd_nxtseg - 1) { |
9953372d SL |
239 | last = rt_last + segnum*2*RT_BLOCK; |
240 | for (de = ((char *)&rt_dir[segnum])+10; de <= last; | |
241 | de += rt_entsiz) | |
242 | if (rtls(rt(de))) { | |
243 | nleft = (last-de)/rt_entsiz; | |
244 | #define ENTRIES "\n%d entries remaining in directory segment %d.\n" | |
245 | printf(ENTRIES, nleft, segnum+1); | |
246 | break; | |
247 | } | |
248 | } | |
9323c1d3 | 249 | } |
ae07d59d | 250 | |
9323c1d3 | 251 | rtls(de) |
ae07d59d | 252 | register struct rt_ent *de; |
9323c1d3 | 253 | { |
ae07d59d | 254 | int month, day, year; |
9323c1d3 BJ |
255 | char name[12], ext[4]; |
256 | ||
ae07d59d | 257 | switch (de->rt_stat) { |
9323c1d3 | 258 | |
ae07d59d SL |
259 | case RT_TEMP: |
260 | if (flag(v)) | |
261 | printf("Tempfile:\n"); | |
262 | /* fall thru...*/ | |
9323c1d3 | 263 | |
ae07d59d | 264 | case RT_FILE: |
1c6c6a0a | 265 | case RT_PFILE: |
ae07d59d SL |
266 | if (!flag(v)) { |
267 | sunrad50(name, de->rt_name); | |
268 | printf("%s\n", name); | |
9323c1d3 | 269 | break; |
9323c1d3 | 270 | } |
ae07d59d SL |
271 | unrad50(2, de->rt_name, name); |
272 | unrad50(1, &(de->rt_name[2]), ext); | |
273 | day = de->rt_date.rt_dy; | |
274 | year = de->rt_date.rt_yr+72; | |
275 | month = de->rt_date.rt_mo; | |
276 | printf("%6.6s %3.3s %02d/%02d/%02d %d\n",name, | |
277 | ext, month, day, year, de->rt_len); | |
278 | break; | |
279 | ||
280 | case RT_NULL: | |
281 | printf("%-25.9s %d\n","<UNUSED>", de->rt_len); | |
282 | break; | |
283 | ||
284 | case RT_ESEG: | |
9953372d | 285 | return (1); |
9323c1d3 | 286 | } |
9953372d | 287 | return (0); |
9323c1d3 | 288 | } |
ae07d59d | 289 | |
9323c1d3 BJ |
290 | xcmd() |
291 | { | |
ae07d59d | 292 | register char *de, *last; |
fa61ea79 | 293 | int segnum; |
9323c1d3 BJ |
294 | char name[12]; |
295 | register int i; | |
296 | ||
297 | rt_init(); | |
9953372d | 298 | if (namc != 0) { |
ae07d59d SL |
299 | for (i = 0; i < namc; i++) |
300 | if (rtx(namv[i]) == 0) | |
301 | namv[i] = 0; | |
9953372d SL |
302 | return; |
303 | } | |
304 | for (segnum = 0; segnum != -1; | |
89be8e54 | 305 | segnum = rt_dir[segnum].rd_nxtseg-1) |
9953372d SL |
306 | for (last = rt_last+(segnum*2*RT_BLOCK), |
307 | de = ((char *)&rt_dir[segnum])+10; de <= last; | |
9957da67 | 308 | de += rt_entsiz) { |
9953372d SL |
309 | switch (rt(de)->rt_stat) { |
310 | ||
311 | case RT_ESEG: | |
9957da67 | 312 | break; /* exit loop and try next segment */ |
9953372d SL |
313 | |
314 | case RT_TEMP: | |
315 | case RT_FILE: | |
1c6c6a0a | 316 | case RT_PFILE: |
9953372d | 317 | sunrad50(name,rt(de)->rt_name); |
89be8e54 | 318 | (void) rtx(name); |
9953372d SL |
319 | |
320 | case RT_NULL: | |
9957da67 RC |
321 | default: |
322 | continue; | |
9953372d | 323 | } |
9957da67 RC |
324 | break; |
325 | } | |
9323c1d3 | 326 | } |
ae07d59d | 327 | |
9323c1d3 | 328 | rtx(name) |
ae07d59d | 329 | char *name; |
9323c1d3 BJ |
330 | { |
331 | register FLDOPE *dope; | |
332 | FLDOPE *lookup(); | |
333 | register startad, count; | |
ae07d59d SL |
334 | int file; |
335 | char buff[512]; | |
9323c1d3 BJ |
336 | |
337 | ||
ae07d59d SL |
338 | if (dope = lookup(name)) { |
339 | if (flag(v)) | |
89be8e54 | 340 | (void) rtls(dope->rtdope); |
9323c1d3 BJ |
341 | else |
342 | printf("x - %s\n",name); | |
343 | ||
ae07d59d | 344 | if ((file = creat(name, 0666)) < 0) |
9953372d | 345 | return (1); |
9323c1d3 BJ |
346 | count = dope->count; |
347 | startad = dope->startad; | |
348 | for( ; count > 0 ; count -= 512) { | |
217d56bb | 349 | (void) lread(startad, 512, buff); |
89be8e54 | 350 | (void) write(file, buff, 512); |
9323c1d3 BJ |
351 | startad += 512; |
352 | } | |
89be8e54 | 353 | (void) close(file); |
9953372d | 354 | return (0); |
9323c1d3 | 355 | } |
9953372d | 356 | return (1); |
9323c1d3 | 357 | } |
ae07d59d | 358 | |
9323c1d3 BJ |
359 | rt_init() |
360 | { | |
361 | static initized = 0; | |
ae07d59d | 362 | register char *de, *last; |
fa61ea79 | 363 | register i; |
ffa51da0 KH |
364 | int dirnum; |
365 | char *mode; | |
ffa51da0 | 366 | FILE *temp_floppydes; |
9323c1d3 | 367 | |
ae07d59d SL |
368 | if (initized) |
369 | return; | |
9323c1d3 | 370 | initized = 1; |
670b62a8 SL |
371 | if (flag(c)) { |
372 | struct stat sb; | |
373 | char response[128]; | |
374 | int tty; | |
375 | ||
376 | if (stat(defdev, &sb) >= 0 && (sb.st_mode & S_IFMT) == S_IFREG) | |
377 | goto ignore; | |
7abf8d65 | 378 | tty = open(_PATH_TTY, O_RDWR); |
670b62a8 | 379 | #define SURE "Are you sure you want to clobber the floppy? " |
89be8e54 JB |
380 | (void) write(tty, SURE, sizeof (SURE)); |
381 | (void) read(tty, response, sizeof (response)); | |
670b62a8 SL |
382 | if (*response != 'y') |
383 | exit(50); | |
89be8e54 | 384 | (void) close(tty); |
670b62a8 SL |
385 | ignore: |
386 | ; | |
387 | } | |
ae07d59d | 388 | if (flag(c) || flag(d) || flag(r)) |
ffa51da0 | 389 | mode = "r+"; |
9323c1d3 | 390 | else |
ffa51da0 | 391 | mode = "r"; |
ae07d59d | 392 | if ((temp_floppydes = fopen(defdev, mode)) == NULL) { |
ffa51da0 | 393 | perror(defdev); |
565c6f97 | 394 | exit(1); |
ffa51da0 KH |
395 | } else |
396 | floppydes = fileno(temp_floppydes); | |
ae07d59d | 397 | if (!flag(c)) { |
217d56bb MK |
398 | if (lread(6*RT_BLOCK, 2*RT_BLOCK, (char *)&rt_dir[0])) |
399 | exit(2); | |
89be8e54 | 400 | dirnum = rt_dir[0].rd_numseg; |
45ee91c7 HS |
401 | /* check for blank/uninitialized diskette */ |
402 | if (dirnum <= 0) { | |
403 | fprintf(stderr,"arff: bad directory format\n"); | |
404 | exit(1); | |
405 | } | |
fa61ea79 | 406 | if (dirnum > RT_DIRSIZE) { |
ae07d59d SL |
407 | fprintf(stderr,"arff: too many directory segments\n"); |
408 | exit(1); | |
fa61ea79 | 409 | } |
ae07d59d | 410 | for (i = 1; i < dirnum; i++) |
217d56bb MK |
411 | if (lread((6+2*i)*RT_BLOCK, 2*RT_BLOCK, (char *)&rt_dir[i])) |
412 | exit(1); | |
89be8e54 | 413 | } else { |
0dfff170 | 414 | dirnum = 1; |
89be8e54 JB |
415 | if (flag(b)) { |
416 | rt_dir[0].rd_numseg = 31; | |
417 | rt_dir[0].rd_stfile = 68; | |
418 | rt_dir[0].rt_ents[0].rt_len = 20480 - 68; | |
419 | } | |
420 | } | |
9323c1d3 | 421 | |
89be8e54 JB |
422 | rt_entsiz = 2*rt_dir[0].rd_entpad + 14; |
423 | /* | |
424 | * We assume that the directory entries have no padding. This | |
425 | * may not be a valid assumption, but there are numerous point | |
426 | * in the code where it assumes it is an rt_ent structure and | |
427 | * not an rt_entsiz sized structure. | |
428 | */ | |
429 | rt_entsiz = 14; | |
fa61ea79 BJ |
430 | rt_last = ((char *) &rt_dir[0]) + 10 + 1014/rt_entsiz*rt_entsiz; |
431 | rt_nleft = 0; | |
432 | ||
ae07d59d SL |
433 | for (i = 0; i < dirnum; i++) { |
434 | last = rt_last + i*2*RT_BLOCK; | |
435 | for (de = ((char *)&rt_dir[i])+10; de <= last; de += rt_entsiz) | |
436 | if (rt(de)->rt_stat == RT_ESEG) | |
437 | break; | |
438 | rt_curend[i] = rt(de); | |
439 | rt_nleft += (last-de)/rt_entsiz; | |
9323c1d3 | 440 | } |
9323c1d3 BJ |
441 | } |
442 | ||
443 | static FLDOPE result; | |
ae07d59d | 444 | |
9323c1d3 BJ |
445 | FLDOPE * |
446 | lookup(name) | |
ae07d59d | 447 | char *name; |
9323c1d3 BJ |
448 | { |
449 | unsigned short rname[3]; | |
89be8e54 | 450 | register char *de; |
fa61ea79 | 451 | int segnum; |
9323c1d3 BJ |
452 | register index; |
453 | ||
454 | srad50(name,rname); | |
455 | ||
565c6f97 | 456 | /* |
9323c1d3 BJ |
457 | * Search for name, accumulate blocks in index |
458 | */ | |
459 | rt_init(); | |
ae07d59d | 460 | for (segnum = 0; segnum != -1; |
89be8e54 | 461 | segnum = rt_dir[segnum].rd_nxtseg - 1) |
ae07d59d SL |
462 | { |
463 | index = 0; | |
ae07d59d SL |
464 | for (de=((char *)&rt_dir[segnum])+10; |
465 | rt(de)->rt_stat != RT_ESEG; de += rt_entsiz) | |
466 | switch(rt(de)->rt_stat) { | |
467 | ||
468 | case RT_FILE: | |
1c6c6a0a | 469 | case RT_PFILE: |
ae07d59d SL |
470 | case RT_TEMP: |
471 | if(samename(rname,rt(de)->rt_name)) { | |
472 | result.count = rt(de)->rt_len * 512; | |
473 | result.startad = 512* | |
89be8e54 | 474 | (rt_dir[segnum].rd_stfile + index); |
ae07d59d | 475 | result.rtdope = (struct rt_ent *) de; |
9953372d | 476 | return (&result); |
ae07d59d SL |
477 | } |
478 | ||
479 | case RT_NULL: | |
480 | index += rt(de)->rt_len; | |
481 | } | |
fa61ea79 | 482 | } |
9953372d | 483 | return ((FLDOPE *) 0); |
ae07d59d | 484 | |
9323c1d3 | 485 | } |
ae07d59d | 486 | |
9323c1d3 | 487 | static |
ae07d59d SL |
488 | samename(a, b) |
489 | u_short a[], b[]; | |
9323c1d3 | 490 | { |
9953372d | 491 | return (*a == *b && a[1] == b[1] && a[2] == b[2] ); |
9323c1d3 BJ |
492 | } |
493 | ||
ae07d59d SL |
494 | rad50(cp, out) |
495 | register u_char *cp; | |
496 | u_short *out; | |
9323c1d3 | 497 | { |
ae07d59d | 498 | register index, temp; |
9323c1d3 | 499 | |
ae07d59d | 500 | for (index = 0; *cp; index++) { |
9323c1d3 | 501 | temp = Ain1 * table[*cp++]; |
ae07d59d | 502 | if (*cp!=0) { |
9323c1d3 | 503 | temp += Ain2 * table[*cp++]; |
9323c1d3 BJ |
504 | if(*cp!=0) |
505 | temp += table[*cp++]; | |
506 | } | |
9323c1d3 BJ |
507 | out[index] = temp; |
508 | } | |
509 | } | |
9323c1d3 | 510 | |
ae07d59d SL |
511 | #define reduce(x, p, q) (x = v[p/q], p %= q); |
512 | ||
513 | unrad50(count, in, cp) | |
514 | u_short *in; | |
515 | register char *cp; | |
9323c1d3 | 516 | { |
ae07d59d SL |
517 | register i, temp; |
518 | register u_char *v = (u_char *) val; | |
9323c1d3 | 519 | |
ae07d59d | 520 | for (i = 0; i < count; i++) { |
9323c1d3 | 521 | temp = in[i]; |
ae07d59d SL |
522 | reduce(*cp++, temp, Ain1); |
523 | reduce(*cp++, temp, Ain2); | |
524 | reduce(*cp++, temp, 1); | |
9323c1d3 BJ |
525 | } |
526 | *cp=0; | |
527 | } | |
528 | ||
ae07d59d SL |
529 | srad50(name, rname) |
530 | register char *name; | |
531 | register u_short *rname; | |
9323c1d3 | 532 | { |
ae07d59d SL |
533 | register index; |
534 | register char *cp; | |
535 | char file[7], ext[4]; | |
536 | ||
565c6f97 | 537 | /* |
9323c1d3 BJ |
538 | * Find end of pathname |
539 | */ | |
ae07d59d SL |
540 | for (cp = name; *cp++; ) |
541 | ; | |
542 | while (cp >= name && *--cp != '/') | |
543 | ; | |
9323c1d3 | 544 | cp++; |
565c6f97 | 545 | /* |
9323c1d3 | 546 | * Change to rad50 |
9323c1d3 | 547 | */ |
ae07d59d | 548 | for (index = 0; *cp; ) { |
9323c1d3 | 549 | file[index++] = *cp++; |
ae07d59d | 550 | if (*cp == '.') { |
9323c1d3 BJ |
551 | cp++; |
552 | break; | |
553 | } | |
ae07d59d | 554 | if (index >= 6) { |
9323c1d3 BJ |
555 | break; |
556 | } | |
557 | } | |
558 | file[index] = 0; | |
ae07d59d | 559 | for (index = 0; *cp; ) { |
9323c1d3 | 560 | ext[index++] = *cp++; |
ae07d59d | 561 | if (*cp == '.' || index >= 3) |
9323c1d3 | 562 | break; |
9323c1d3 BJ |
563 | } |
564 | ext[index]=0; | |
ae07d59d SL |
565 | rname[0] = rname[1] = rname[2] = 0; |
566 | rad50((u_char *)file, rname); | |
567 | rad50((u_char *)ext, rname+2); | |
9323c1d3 | 568 | } |
ae07d59d SL |
569 | |
570 | sunrad50(name, rname) | |
571 | u_short rname[]; | |
572 | register char *name; | |
9323c1d3 BJ |
573 | { |
574 | register char *cp, *cp2; | |
575 | char ext[4]; | |
576 | ||
ae07d59d SL |
577 | unrad50(2, rname, name); |
578 | unrad50(1, rname + 2, ext); | |
579 | /* | |
580 | * Jam name and extension together with a dot | |
581 | * deleting white space | |
582 | */ | |
583 | for (cp = name; *cp++;) | |
584 | ; | |
585 | --cp; | |
586 | while (*--cp == ' ' && cp >= name) | |
587 | ; | |
588 | *++cp = '.'; | |
589 | cp++; | |
590 | for (cp2 = ext; *cp2 != ' ' && cp2 < ext+3;) | |
9323c1d3 | 591 | *cp++ = *cp2++; |
9323c1d3 | 592 | *cp=0; |
ae07d59d SL |
593 | if (cp[-1] == '.') |
594 | cp[-1] = 0; | |
9323c1d3 BJ |
595 | } |
596 | ||
9323c1d3 | 597 | static char *val = " abcdefghijklmnopqrstuvwxyz$.@0123456789"; |
ae07d59d | 598 | |
9323c1d3 BJ |
599 | static char table[256] = { |
600 | 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, | |
601 | 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, | |
602 | 0, 29, 29, 29, 27, 29, 29, 29, 29, 29, 29, 29, 29, 29, 28, 29, | |
603 | 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 29, 29, 29, 29, 29, 29, | |
604 | 29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |
605 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 29, 29, 29, 29, 29, | |
606 | 29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |
607 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 29, 29, 29, 29, 29, | |
608 | 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, | |
609 | 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, | |
610 | 0, 29, 29, 29, 27, 29, 29, 29, 29, 29, 29, 29, 29, 29, 28, 29, | |
611 | 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 29, 29, 29, 29, 29, 29, | |
612 | 29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |
613 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 29, 29, 29, 29, 29, | |
614 | 29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |
615 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 29, 29, 29, 29 }; | |
616 | ||
ae07d59d SL |
617 | /* |
618 | * Logical to physical adress translation | |
619 | */ | |
620 | long | |
621 | trans(logical) | |
622 | register int logical; | |
9323c1d3 | 623 | { |
9323c1d3 BJ |
624 | register int sector, bytes, track; |
625 | ||
ae07d59d SL |
626 | logical += 26*128; |
627 | bytes = (logical&127); | |
9323c1d3 | 628 | logical >>= 7; |
ae07d59d | 629 | sector = logical%26; |
9323c1d3 | 630 | if(sector >= 13) |
ae07d59d | 631 | sector = sector*2+1; |
9323c1d3 BJ |
632 | else |
633 | sector *= 2; | |
ae07d59d | 634 | sector += 26 + ((track = (logical/26))-1)*6; |
9323c1d3 | 635 | sector %= 26; |
9953372d | 636 | return ((((track*26)+sector) << 7) + bytes); |
9323c1d3 | 637 | } |
ae07d59d SL |
638 | |
639 | lread(startad, count, obuff) | |
640 | register startad, count; | |
641 | register char *obuff; | |
9323c1d3 BJ |
642 | { |
643 | long trans(); | |
644 | extern floppydes; | |
ae07d59d | 645 | register int size = flag(m) ? 512 : 128; |
217d56bb MK |
646 | int error = 0; |
647 | extern int errno; | |
ae07d59d | 648 | |
9323c1d3 | 649 | rt_init(); |
ae07d59d | 650 | while ((count -= size) >= 0) { |
89be8e54 | 651 | (void) lseek(floppydes, flag(m) ? |
ae07d59d | 652 | (long)startad : trans(startad), 0); |
217d56bb MK |
653 | if (read(floppydes, obuff, size) != size) { |
654 | error = errno; | |
655 | fprintf(stderr, "arff: read error block %d: ", | |
ae07d59d | 656 | startad/size); |
217d56bb MK |
657 | errno = error; |
658 | perror(""); | |
659 | } | |
ae07d59d SL |
660 | obuff += size; |
661 | startad += size; | |
662 | } | |
217d56bb | 663 | return (error); |
9323c1d3 | 664 | } |
ae07d59d SL |
665 | |
666 | lwrite(startad, count, obuff) | |
667 | register startad, count; | |
668 | register char *obuff; | |
9323c1d3 BJ |
669 | { |
670 | long trans(); | |
671 | extern floppydes; | |
ae07d59d SL |
672 | register int size = flag(m) ? 512 : 128; |
673 | ||
9323c1d3 | 674 | rt_init(); |
ae07d59d | 675 | while ((count -= size) >= 0) { |
89be8e54 | 676 | (void) lseek(floppydes, flag(m) ? |
ae07d59d SL |
677 | (long)startad : trans(startad), 0); |
678 | if (write(floppydes, obuff, size) != size) | |
679 | fprintf(stderr, "arff: write error block %d\n", | |
680 | startad/size); | |
681 | obuff += size; | |
682 | startad += size; | |
683 | } | |
9323c1d3 BJ |
684 | } |
685 | ||
686 | rcmd() | |
687 | { | |
688 | register int i; | |
689 | ||
690 | rt_init(); | |
ae07d59d SL |
691 | if (namc > 0) |
692 | for (i = 0; i < namc; i++) | |
693 | if (rtr(namv[i]) == 0) | |
694 | namv[i] = 0; | |
9323c1d3 BJ |
695 | } |
696 | ||
697 | rtr(name) | |
ae07d59d | 698 | char *name; |
9323c1d3 | 699 | { |
ae07d59d SL |
700 | register FLDOPE *dope; |
701 | register struct rt_ent *de; | |
702 | struct stat buf; | |
703 | register struct stat *bufp = &buf; | |
fa61ea79 | 704 | int segnum; |
89be8e54 | 705 | char type; |
9323c1d3 | 706 | |
ae07d59d | 707 | if (stat(name, bufp) < 0) { |
0dfff170 | 708 | perror(name); |
9953372d | 709 | return (-1); |
0dfff170 | 710 | } |
89be8e54 | 711 | type = 'a'; |
ae07d59d | 712 | if (dope = lookup(name)) { |
9323c1d3 BJ |
713 | /* can replace, no problem */ |
714 | de = dope->rtdope; | |
89be8e54 JB |
715 | if (bufp->st_size <= (de->rt_len * 512)) { |
716 | printf("r - %s\n",name); | |
ae07d59d | 717 | toflop(name, bufp->st_size, dope); |
89be8e54 JB |
718 | goto found; |
719 | } else { | |
720 | de = dope->rtdope; | |
721 | type = 'r'; | |
722 | de->rt_stat = RT_NULL; | |
723 | de->rt_name[0] = 0; | |
724 | de->rt_name[1] = 0; | |
725 | de->rt_name[2] = 0; | |
726 | *((u_short *)&(de->rt_date)) = 0; | |
727 | scrunch(); | |
9323c1d3 | 728 | } |
9953372d SL |
729 | } |
730 | /* | |
731 | * Search for vacant spot | |
732 | */ | |
733 | for (segnum = 0; segnum != -1; | |
89be8e54 | 734 | segnum = rt_dir[segnum].rd_nxtseg - 1) |
9953372d | 735 | { |
9953372d SL |
736 | for (de = rt_dir[segnum].rt_ents; |
737 | rt(de)->rt_stat != RT_ESEG; de++) | |
738 | if ((de)->rt_stat == RT_NULL) { | |
739 | if (bufp->st_size <= (de->rt_len*512)) { | |
89be8e54 | 740 | printf("%c - %s\n", type, name), |
9953372d SL |
741 | mkent(de, segnum, bufp,name); |
742 | goto found; | |
9323c1d3 | 743 | } |
9953372d SL |
744 | continue; |
745 | } | |
9323c1d3 | 746 | } |
3cdb698d | 747 | if (type == 'r') |
89be8e54 JB |
748 | printf("%s: no slot for file, file deleted\n",name); |
749 | else | |
750 | printf("%s: no slot for file\n", name); | |
9953372d | 751 | return (-1); |
ae07d59d SL |
752 | |
753 | found: | |
754 | if (dope = lookup(name)) { | |
755 | toflop(name, bufp->st_size, dope); | |
0dfff170 | 756 | return (0); |
9323c1d3 | 757 | } |
0dfff170 BJ |
758 | printf("%s: internal error, added then not found\n", name); |
759 | return (-1); | |
9323c1d3 | 760 | } |
ae07d59d SL |
761 | |
762 | mkent(de, segnum, bufp, name) | |
763 | register struct rt_ent *de; | |
764 | int segnum; | |
765 | register struct stat *bufp; | |
766 | char *name; | |
9323c1d3 | 767 | { |
ae07d59d SL |
768 | struct tm *localtime(); |
769 | register struct tm *timp; | |
770 | register struct rt_ent *workp; | |
771 | int count; | |
9323c1d3 BJ |
772 | |
773 | count = (((bufp->st_size -1) >>9) + 1); | |
ae07d59d SL |
774 | /* make sure there is room */ |
775 | if (de->rt_len == count) | |
9323c1d3 | 776 | goto overwrite; |
ae07d59d | 777 | if ((char *)rt_curend[segnum] == (rt_last + (segnum*2*RT_BLOCK))) { |
89be8e54 JB |
778 | /* no entries left on segment, trying adding new segment */ |
779 | if (rt_dir[0].rd_numseg > rt_dir[0].rd_lstseg) { | |
780 | short newseg; | |
781 | register int i; | |
782 | int maxseg; | |
783 | short size; | |
784 | ||
785 | newseg = rt_dir[0].rd_lstseg++; | |
786 | rt_dir[newseg] = rt_nulldir; | |
787 | rt_dir[newseg].rd_nxtseg = rt_dir[segnum].rd_nxtseg; | |
788 | rt_dir[segnum].rd_nxtseg = newseg + 1; | |
789 | rt_dir[newseg].rd_entpad = rt_dir[0].rd_entpad; | |
790 | rt_dir[newseg].rd_numseg = rt_dir[0].rd_numseg; | |
791 | size = 0; | |
792 | maxseg = 0; | |
793 | for(i = newseg - 1; i >= 0; i--) { | |
794 | workp = rt_curend[i] - 1; | |
795 | if (workp->rt_stat != RT_NULL) | |
796 | continue; | |
797 | if (workp->rt_len < size) | |
798 | continue; | |
799 | size = workp->rt_len; | |
800 | maxseg = i; | |
801 | } | |
802 | size = 0; | |
803 | for (workp = &rt_dir[maxseg].rt_ents[0]; | |
804 | workp->rt_stat != RT_ESEG; workp++) { | |
805 | size += workp->rt_len; | |
806 | } | |
807 | workp--; | |
808 | rt_dir[newseg].rt_ents[0].rt_len = workp->rt_len; | |
809 | rt_dir[newseg].rd_stfile = | |
810 | rt_dir[maxseg].rd_stfile + size - workp->rt_len; | |
811 | workp->rt_len = 0; | |
812 | rt_curend[newseg] = &rt_dir[newseg].rt_ents[1]; | |
813 | lwrite(6*RT_BLOCK, 2*RT_BLOCK, (char *)&rt_dir[0]); | |
814 | if (segnum != 0) | |
815 | lwrite((6+segnum*2)*RT_BLOCK, 2*RT_BLOCK, | |
816 | (char *)&rt_dir[segnum]); | |
817 | lwrite((6+newseg*2)*RT_BLOCK, 2*RT_BLOCK, | |
818 | (char *)&rt_dir[newseg]); | |
819 | segnum = newseg; | |
820 | de = &rt_dir[newseg].rt_ents[0]; | |
821 | } else { | |
822 | fprintf(stderr, "All directory segments full on %s\n", | |
823 | defdev); | |
824 | exit(1); | |
825 | } | |
9323c1d3 | 826 | } |
ae07d59d SL |
827 | /* copy directory entries up */ |
828 | for (workp = rt_curend[segnum]+1; workp > de; workp--) | |
9323c1d3 BJ |
829 | *workp = workp[-1]; |
830 | de[1].rt_len -= count; | |
831 | de->rt_len = count; | |
fa61ea79 | 832 | rt_curend[segnum]++; |
9323c1d3 | 833 | rt_nleft--; |
ae07d59d | 834 | |
9323c1d3 BJ |
835 | overwrite: |
836 | srad50(name,de->rt_name); | |
837 | timp = localtime(&bufp->st_mtime); | |
db34e2f8 | 838 | de->rt_date.rt_dy = timp->tm_mday; |
9323c1d3 BJ |
839 | de->rt_date.rt_mo = timp->tm_mon + 1; |
840 | de->rt_date.rt_yr = timp->tm_year - 72; | |
841 | de->rt_stat = RT_FILE; | |
842 | de->rt_pad = 0; | |
843 | de->rt_chan = 0; | |
844 | de->rt_job = 0; | |
ae07d59d | 845 | lwrite((6+segnum*2)*RT_BLOCK, 2*RT_BLOCK, (char *)&rt_dir[segnum]); |
9323c1d3 BJ |
846 | } |
847 | ||
ae07d59d SL |
848 | toflop(name, ocount, dope) |
849 | char *name; | |
850 | register FLDOPE *dope; | |
851 | long ocount; | |
9323c1d3 BJ |
852 | { |
853 | register file, n, startad = dope->startad, count = ocount; | |
854 | char buff[512]; | |
855 | ||
ae07d59d SL |
856 | file = open(name, 0); |
857 | if (file < 0) { | |
858 | fprintf(stderr, "arff: couldn't open %s\n",name); | |
859 | exit(1); | |
860 | } | |
9323c1d3 | 861 | for( ; count >= 512; count -= 512) { |
89be8e54 | 862 | (void) read(file, buff, 512); |
ae07d59d | 863 | lwrite(startad, 512, buff); |
9323c1d3 BJ |
864 | startad += 512; |
865 | } | |
89be8e54 JB |
866 | (void) read(file, buff, count); |
867 | (void) close(file); | |
ae07d59d SL |
868 | if (count <= 0) |
869 | return; | |
870 | for (n = count; n < 512; n ++) | |
871 | buff[n] = 0; | |
872 | lwrite(startad, 512, buff); | |
873 | count = (dope->rtdope->rt_len*512-ocount)/512 ; | |
874 | if (count <= 0) | |
875 | return; | |
876 | for ( ; count > 0 ; count--) { | |
9323c1d3 | 877 | startad += 512; |
ae07d59d | 878 | lwrite(startad, 512, zeroes); |
9323c1d3 | 879 | } |
9323c1d3 | 880 | } |
ae07d59d | 881 | |
9323c1d3 BJ |
882 | dcmd() |
883 | { | |
884 | register int i; | |
885 | ||
886 | rt_init(); | |
ae07d59d SL |
887 | if (namc) |
888 | for (i = 0; i < namc; i++) | |
889 | if (rtk(namv[i])==0) | |
890 | namv[i]=0; | |
891 | if (dirdirty) | |
9323c1d3 | 892 | scrunch(); |
9323c1d3 | 893 | } |
ae07d59d | 894 | |
9323c1d3 | 895 | rtk(name) |
ae07d59d | 896 | char *name; |
9323c1d3 BJ |
897 | { |
898 | register FLDOPE *dope; | |
899 | register struct rt_ent *de; | |
900 | FLDOPE *lookup(); | |
901 | ||
ae07d59d | 902 | if (dope = lookup(name)) { |
9323c1d3 BJ |
903 | printf("d - %s\n",name); |
904 | de = dope->rtdope; | |
905 | de->rt_stat = RT_NULL; | |
906 | de->rt_name[0] = 0; | |
907 | de->rt_name[1] = 0; | |
908 | de->rt_name[2] = 0; | |
9953372d | 909 | *((u_short *)&(de->rt_date)) = 0; |
9323c1d3 | 910 | dirdirty = 1; |
9953372d | 911 | return (0); |
9323c1d3 | 912 | } |
9953372d | 913 | return (1); |
9323c1d3 | 914 | } |
ae07d59d SL |
915 | |
916 | scrunch() | |
917 | { | |
fa61ea79 BJ |
918 | register struct rt_ent *de , *workp; |
919 | register segnum; | |
ae07d59d SL |
920 | |
921 | for (segnum = 0; segnum != -1; | |
89be8e54 | 922 | segnum = rt_dir[segnum].rd_nxtseg - 1) { |
ae07d59d | 923 | for (de = rt_dir[segnum].rt_ents; de <= rt_curend[segnum]; de++) |
9953372d | 924 | if (de->rt_stat == RT_NULL && |
45ee91c7 | 925 | (de+1)->rt_stat == RT_NULL) { |
ae07d59d | 926 | (de+1)->rt_len += de->rt_len; |
45ee91c7 | 927 | for (workp=de; workp<rt_curend[segnum]; workp++) |
ae07d59d SL |
928 | *workp = workp[1]; |
929 | de--; | |
930 | rt_curend[segnum]--; | |
931 | rt_nleft++; | |
ae07d59d | 932 | } |
45ee91c7 HS |
933 | lwrite((6+segnum*2)*RT_BLOCK, 2*RT_BLOCK, |
934 | (char *)&rt_dir[segnum]); | |
9323c1d3 | 935 | } |
45ee91c7 | 936 | dirdirty = 0; |
9323c1d3 | 937 | } |