Commit | Line | Data |
---|---|---|
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 |
1c6c6a0a | 14 | static char sccsid[] = "@(#)arff.c 5.4 (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> |
9323c1d3 BJ |
20 | #include <signal.h> |
21 | #include <stdio.h> | |
670b62a8 | 22 | #include <sys/file.h> |
ae07d59d | 23 | |
9323c1d3 | 24 | #define dbprintf printf |
ae07d59d | 25 | |
9323c1d3 | 26 | struct rt_dat { |
ae07d59d SL |
27 | u_short rt_yr:5; /* year-1972 */ |
28 | u_short rt_dy:5; /* day */ | |
29 | u_short rt_mo:5; /* month */ | |
9323c1d3 | 30 | }; |
ae07d59d | 31 | |
9323c1d3 BJ |
32 | struct rt_axent { |
33 | char rt_sent[14]; | |
34 | }; | |
35 | ||
36 | struct rt_ent { | |
ae07d59d | 37 | char rt_pad; /* unusued */ |
1c6c6a0a | 38 | u_char rt_stat; /* type of entry, or end of seg */ |
ae07d59d | 39 | u_short rt_name[3]; /* name, 3 words in rad50 form */ |
98242db9 | 40 | u_short rt_len; /* length of file */ |
1c6c6a0a | 41 | u_char rt_chan; /* only used in temporary files */ |
ae07d59d | 42 | char rt_job; /* only used in temporary files */ |
9953372d | 43 | struct rt_dat rt_date; /* creation date */ |
9323c1d3 | 44 | }; |
ae07d59d SL |
45 | |
46 | #define RT_TEMP 1 | |
47 | #define RT_NULL 2 | |
48 | #define RT_FILE 4 | |
1c6c6a0a | 49 | #define RT_PFILE (0200|RT_FILE) /* protected file */ |
ae07d59d SL |
50 | #define RT_ESEG 8 |
51 | ||
52 | #define RT_BLOCK 512 /* block size */ | |
53 | #define RT_DIRSIZE 31 /* max # of directory segments */ | |
54 | ||
9323c1d3 | 55 | struct rt_head { |
ae07d59d SL |
56 | short rt_numseg; /* # of segments available */ |
57 | short rt_nxtseg; /* # of next logical segment */ | |
58 | short rt_lstseg; /* highest seg currently open */ | |
59 | u_short rt_entpad; /* extra words/directory entry */ | |
60 | short rt_stfile; /* block # where files begin */ | |
9323c1d3 | 61 | }; |
ae07d59d | 62 | |
9323c1d3 BJ |
63 | struct rt_dir { |
64 | struct rt_head rt_axhead; | |
65 | struct rt_ent rt_ents[72]; | |
ae07d59d | 66 | char _dirpad[6]; |
9323c1d3 | 67 | }; |
ae07d59d | 68 | |
89be8e54 JB |
69 | #define rd_numseg rt_axhead.rt_numseg |
70 | #define rd_nxtseg rt_axhead.rt_nxtseg | |
71 | #define rd_lstseg rt_axhead.rt_lstseg | |
72 | #define rd_entpad rt_axhead.rt_entpad | |
73 | #define rd_stfile rt_axhead.rt_stfile | |
74 | ||
9323c1d3 BJ |
75 | typedef struct fldope { |
76 | int startad; | |
77 | int count; | |
78 | struct rt_ent *rtdope; | |
79 | } FLDOPE; | |
ae07d59d | 80 | |
9323c1d3 | 81 | FLDOPE *lookup(); |
ae07d59d | 82 | |
9953372d SL |
83 | #define rt(p) ((struct rt_ent *) p ) |
84 | #define Ain1 03100 | |
85 | #define Ain2 050 | |
86 | #define flag(c) (flg[('c') - 'a']) | |
9323c1d3 | 87 | |
9953372d SL |
88 | char *man = "rxtd"; |
89 | char zeroes[512]; | |
ae07d59d | 90 | |
9323c1d3 BJ |
91 | extern char *val; |
92 | extern char table[256]; | |
ae07d59d | 93 | struct rt_dir rt_dir[RT_DIRSIZE] = { |
9953372d | 94 | { 4, 0, 1, 0, 14 }, |
89be8e54 JB |
95 | { { 0, RT_NULL, { 0, 0, 0 }, 486, 0 }, |
96 | { 0, RT_ESEG } } | |
97 | }; | |
98 | ||
99 | struct rt_dir rt_nulldir = { | |
100 | { 0, 0, 0, 0, 0 }, | |
101 | { { 0, RT_NULL, { 0, 0, 0 }, 0, 0 }, | |
9953372d | 102 | { 0, RT_ESEG } } |
ae07d59d SL |
103 | }; |
104 | ||
105 | int rt_entsiz; | |
106 | int rt_nleft; | |
107 | struct rt_ent *rt_curend[RT_DIRSIZE]; | |
108 | int floppydes; | |
109 | int dirdirty; | |
110 | char *rt_last; | |
111 | char *defdev = "/dev/floppy"; | |
112 | ||
89be8e54 | 113 | char *opt = "vfbcm"; |
9323c1d3 | 114 | |
ae07d59d SL |
115 | extern long lseek(); |
116 | int rcmd(), dcmd(), xcmd(), tcmd(); | |
117 | ||
9323c1d3 BJ |
118 | int (*comfun)(); |
119 | char flg[26]; | |
120 | char **namv; | |
121 | int namc; | |
9323c1d3 | 122 | |
9323c1d3 | 123 | main(argc, argv) |
ae07d59d | 124 | char *argv[]; |
9323c1d3 BJ |
125 | { |
126 | register char *cp; | |
127 | ||
ae07d59d | 128 | if (argc < 2) |
9323c1d3 | 129 | usage(); |
ae07d59d SL |
130 | for (cp = argv[1]; *cp; cp++) |
131 | switch (*cp) { | |
132 | ||
133 | case 'm': | |
134 | case 'v': | |
135 | case 'u': | |
136 | case 'w': | |
89be8e54 | 137 | case 'b': |
ae07d59d SL |
138 | flg[*cp-'a']++; |
139 | continue; | |
140 | case 'c': | |
670b62a8 | 141 | flag(c)++; |
ae07d59d SL |
142 | dirdirty++; |
143 | continue; | |
144 | ||
145 | case 'r': | |
146 | setcom(rcmd); | |
147 | flag(r)++; | |
148 | continue; | |
149 | ||
150 | case 'd': | |
151 | setcom(dcmd); | |
152 | flag(d)++; | |
153 | continue; | |
154 | ||
155 | case 'x': | |
156 | setcom(xcmd); | |
157 | continue; | |
158 | ||
159 | case 't': | |
160 | setcom(tcmd); | |
161 | continue; | |
162 | ||
163 | case 'f': | |
164 | defdev = argv[2]; | |
165 | argv++; | |
166 | argc--; | |
167 | continue; | |
168 | ||
169 | default: | |
170 | fprintf(stderr, "arff: bad option `%c'\n", *cp); | |
171 | exit(1); | |
9323c1d3 | 172 | } |
9323c1d3 | 173 | |
9323c1d3 BJ |
174 | namv = argv+2; |
175 | namc = argc-2; | |
ae07d59d SL |
176 | if (comfun == 0) { |
177 | if (flag(u) == 0) { | |
178 | fprintf(stderr, "arff: one of [%s] must be specified\n", | |
179 | man); | |
9323c1d3 BJ |
180 | exit(1); |
181 | } | |
182 | setcom(rcmd); | |
183 | } | |
184 | (*comfun)(); | |
185 | exit(notfound()); | |
186 | } | |
187 | ||
188 | setcom(fun) | |
ae07d59d | 189 | int (*fun)(); |
9323c1d3 | 190 | { |
ae07d59d | 191 | if (comfun != 0) { |
9323c1d3 BJ |
192 | fprintf(stderr, "arff: only one of [%s] allowed\n", man); |
193 | exit(1); | |
194 | } | |
195 | comfun = fun; | |
196 | } | |
197 | ||
9323c1d3 BJ |
198 | usage() |
199 | { | |
565c6f97 | 200 | fprintf(stderr, "usage: ar [%s][%s] archive files ...\n", opt, man); |
9323c1d3 BJ |
201 | exit(1); |
202 | } | |
203 | ||
9323c1d3 BJ |
204 | notfound() |
205 | { | |
ae07d59d | 206 | register i, n = 0; |
9323c1d3 | 207 | |
ae07d59d SL |
208 | for (i = 0; i < namc; i++) |
209 | if (namv[i]) { | |
9323c1d3 BJ |
210 | fprintf(stderr, "arff: %s not found\n", namv[i]); |
211 | n++; | |
212 | } | |
9953372d | 213 | return (n); |
9323c1d3 BJ |
214 | } |
215 | ||
9323c1d3 BJ |
216 | tcmd() |
217 | { | |
ae07d59d | 218 | register char *de, *last; |
9323c1d3 | 219 | FLDOPE *lookup(), *dope; |
ae07d59d SL |
220 | int segnum, nleft; |
221 | register i; | |
9323c1d3 BJ |
222 | register struct rt_ent *rde; |
223 | ||
224 | rt_init(); | |
9953372d | 225 | if (namc != 0) { |
ae07d59d SL |
226 | for (i = 0; i < namc; i++) |
227 | if (dope = lookup(namv[i])) { | |
9323c1d3 | 228 | rde = dope->rtdope; |
89be8e54 | 229 | (void) rtls(rde); |
9323c1d3 BJ |
230 | namv[i] = 0; |
231 | } | |
9953372d SL |
232 | return; |
233 | } | |
234 | for (segnum = 0; segnum != -1; | |
89be8e54 | 235 | segnum = rt_dir[segnum].rd_nxtseg - 1) { |
9953372d SL |
236 | last = rt_last + segnum*2*RT_BLOCK; |
237 | for (de = ((char *)&rt_dir[segnum])+10; de <= last; | |
238 | de += rt_entsiz) | |
239 | if (rtls(rt(de))) { | |
240 | nleft = (last-de)/rt_entsiz; | |
241 | #define ENTRIES "\n%d entries remaining in directory segment %d.\n" | |
242 | printf(ENTRIES, nleft, segnum+1); | |
243 | break; | |
244 | } | |
245 | } | |
9323c1d3 | 246 | } |
ae07d59d | 247 | |
9323c1d3 | 248 | rtls(de) |
ae07d59d | 249 | register struct rt_ent *de; |
9323c1d3 | 250 | { |
ae07d59d | 251 | int month, day, year; |
9323c1d3 BJ |
252 | char name[12], ext[4]; |
253 | ||
ae07d59d | 254 | switch (de->rt_stat) { |
9323c1d3 | 255 | |
ae07d59d SL |
256 | case RT_TEMP: |
257 | if (flag(v)) | |
258 | printf("Tempfile:\n"); | |
259 | /* fall thru...*/ | |
9323c1d3 | 260 | |
ae07d59d | 261 | case RT_FILE: |
1c6c6a0a | 262 | case RT_PFILE: |
ae07d59d SL |
263 | if (!flag(v)) { |
264 | sunrad50(name, de->rt_name); | |
265 | printf("%s\n", name); | |
9323c1d3 | 266 | break; |
9323c1d3 | 267 | } |
ae07d59d SL |
268 | unrad50(2, de->rt_name, name); |
269 | unrad50(1, &(de->rt_name[2]), ext); | |
270 | day = de->rt_date.rt_dy; | |
271 | year = de->rt_date.rt_yr+72; | |
272 | month = de->rt_date.rt_mo; | |
273 | printf("%6.6s %3.3s %02d/%02d/%02d %d\n",name, | |
274 | ext, month, day, year, de->rt_len); | |
275 | break; | |
276 | ||
277 | case RT_NULL: | |
278 | printf("%-25.9s %d\n","<UNUSED>", de->rt_len); | |
279 | break; | |
280 | ||
281 | case RT_ESEG: | |
9953372d | 282 | return (1); |
9323c1d3 | 283 | } |
9953372d | 284 | return (0); |
9323c1d3 | 285 | } |
ae07d59d | 286 | |
9323c1d3 BJ |
287 | xcmd() |
288 | { | |
ae07d59d | 289 | register char *de, *last; |
fa61ea79 | 290 | int segnum; |
9323c1d3 BJ |
291 | char name[12]; |
292 | register int i; | |
293 | ||
294 | rt_init(); | |
9953372d | 295 | if (namc != 0) { |
ae07d59d SL |
296 | for (i = 0; i < namc; i++) |
297 | if (rtx(namv[i]) == 0) | |
298 | namv[i] = 0; | |
9953372d SL |
299 | return; |
300 | } | |
301 | for (segnum = 0; segnum != -1; | |
89be8e54 | 302 | segnum = rt_dir[segnum].rd_nxtseg-1) |
9953372d SL |
303 | for (last = rt_last+(segnum*2*RT_BLOCK), |
304 | de = ((char *)&rt_dir[segnum])+10; de <= last; | |
9957da67 | 305 | de += rt_entsiz) { |
9953372d SL |
306 | switch (rt(de)->rt_stat) { |
307 | ||
308 | case RT_ESEG: | |
9957da67 | 309 | break; /* exit loop and try next segment */ |
9953372d SL |
310 | |
311 | case RT_TEMP: | |
312 | case RT_FILE: | |
1c6c6a0a | 313 | case RT_PFILE: |
9953372d | 314 | sunrad50(name,rt(de)->rt_name); |
89be8e54 | 315 | (void) rtx(name); |
9953372d SL |
316 | |
317 | case RT_NULL: | |
9957da67 RC |
318 | default: |
319 | continue; | |
9953372d | 320 | } |
9957da67 RC |
321 | break; |
322 | } | |
9323c1d3 | 323 | } |
ae07d59d | 324 | |
9323c1d3 | 325 | rtx(name) |
ae07d59d | 326 | char *name; |
9323c1d3 BJ |
327 | { |
328 | register FLDOPE *dope; | |
329 | FLDOPE *lookup(); | |
330 | register startad, count; | |
ae07d59d SL |
331 | int file; |
332 | char buff[512]; | |
9323c1d3 BJ |
333 | |
334 | ||
ae07d59d SL |
335 | if (dope = lookup(name)) { |
336 | if (flag(v)) | |
89be8e54 | 337 | (void) rtls(dope->rtdope); |
9323c1d3 BJ |
338 | else |
339 | printf("x - %s\n",name); | |
340 | ||
ae07d59d | 341 | if ((file = creat(name, 0666)) < 0) |
9953372d | 342 | return (1); |
9323c1d3 BJ |
343 | count = dope->count; |
344 | startad = dope->startad; | |
345 | for( ; count > 0 ; count -= 512) { | |
217d56bb | 346 | (void) lread(startad, 512, buff); |
89be8e54 | 347 | (void) write(file, buff, 512); |
9323c1d3 BJ |
348 | startad += 512; |
349 | } | |
89be8e54 | 350 | (void) close(file); |
9953372d | 351 | return (0); |
9323c1d3 | 352 | } |
9953372d | 353 | return (1); |
9323c1d3 | 354 | } |
ae07d59d | 355 | |
9323c1d3 BJ |
356 | rt_init() |
357 | { | |
358 | static initized = 0; | |
ae07d59d | 359 | register char *de, *last; |
fa61ea79 | 360 | register i; |
ffa51da0 KH |
361 | int dirnum; |
362 | char *mode; | |
ffa51da0 | 363 | FILE *temp_floppydes; |
9323c1d3 | 364 | |
ae07d59d SL |
365 | if (initized) |
366 | return; | |
9323c1d3 | 367 | initized = 1; |
670b62a8 SL |
368 | if (flag(c)) { |
369 | struct stat sb; | |
370 | char response[128]; | |
371 | int tty; | |
372 | ||
373 | if (stat(defdev, &sb) >= 0 && (sb.st_mode & S_IFMT) == S_IFREG) | |
374 | goto ignore; | |
375 | tty = open("/dev/tty", O_RDWR); | |
376 | #define SURE "Are you sure you want to clobber the floppy? " | |
89be8e54 JB |
377 | (void) write(tty, SURE, sizeof (SURE)); |
378 | (void) read(tty, response, sizeof (response)); | |
670b62a8 SL |
379 | if (*response != 'y') |
380 | exit(50); | |
89be8e54 | 381 | (void) close(tty); |
670b62a8 SL |
382 | ignore: |
383 | ; | |
384 | } | |
ae07d59d | 385 | if (flag(c) || flag(d) || flag(r)) |
ffa51da0 | 386 | mode = "r+"; |
9323c1d3 | 387 | else |
ffa51da0 | 388 | mode = "r"; |
ae07d59d | 389 | if ((temp_floppydes = fopen(defdev, mode)) == NULL) { |
ffa51da0 | 390 | perror(defdev); |
565c6f97 | 391 | exit(1); |
ffa51da0 KH |
392 | } else |
393 | floppydes = fileno(temp_floppydes); | |
ae07d59d | 394 | if (!flag(c)) { |
217d56bb MK |
395 | if (lread(6*RT_BLOCK, 2*RT_BLOCK, (char *)&rt_dir[0])) |
396 | exit(2); | |
89be8e54 | 397 | dirnum = rt_dir[0].rd_numseg; |
45ee91c7 HS |
398 | /* check for blank/uninitialized diskette */ |
399 | if (dirnum <= 0) { | |
400 | fprintf(stderr,"arff: bad directory format\n"); | |
401 | exit(1); | |
402 | } | |
fa61ea79 | 403 | if (dirnum > RT_DIRSIZE) { |
ae07d59d SL |
404 | fprintf(stderr,"arff: too many directory segments\n"); |
405 | exit(1); | |
fa61ea79 | 406 | } |
ae07d59d | 407 | for (i = 1; i < dirnum; i++) |
217d56bb MK |
408 | if (lread((6+2*i)*RT_BLOCK, 2*RT_BLOCK, (char *)&rt_dir[i])) |
409 | exit(1); | |
89be8e54 | 410 | } else { |
0dfff170 | 411 | dirnum = 1; |
89be8e54 JB |
412 | if (flag(b)) { |
413 | rt_dir[0].rd_numseg = 31; | |
414 | rt_dir[0].rd_stfile = 68; | |
415 | rt_dir[0].rt_ents[0].rt_len = 20480 - 68; | |
416 | } | |
417 | } | |
9323c1d3 | 418 | |
89be8e54 JB |
419 | rt_entsiz = 2*rt_dir[0].rd_entpad + 14; |
420 | /* | |
421 | * We assume that the directory entries have no padding. This | |
422 | * may not be a valid assumption, but there are numerous point | |
423 | * in the code where it assumes it is an rt_ent structure and | |
424 | * not an rt_entsiz sized structure. | |
425 | */ | |
426 | rt_entsiz = 14; | |
fa61ea79 BJ |
427 | rt_last = ((char *) &rt_dir[0]) + 10 + 1014/rt_entsiz*rt_entsiz; |
428 | rt_nleft = 0; | |
429 | ||
ae07d59d SL |
430 | for (i = 0; i < dirnum; i++) { |
431 | last = rt_last + i*2*RT_BLOCK; | |
432 | for (de = ((char *)&rt_dir[i])+10; de <= last; de += rt_entsiz) | |
433 | if (rt(de)->rt_stat == RT_ESEG) | |
434 | break; | |
435 | rt_curend[i] = rt(de); | |
436 | rt_nleft += (last-de)/rt_entsiz; | |
9323c1d3 | 437 | } |
9323c1d3 BJ |
438 | } |
439 | ||
440 | static FLDOPE result; | |
ae07d59d | 441 | |
9323c1d3 BJ |
442 | FLDOPE * |
443 | lookup(name) | |
ae07d59d | 444 | char *name; |
9323c1d3 BJ |
445 | { |
446 | unsigned short rname[3]; | |
89be8e54 | 447 | register char *de; |
fa61ea79 | 448 | int segnum; |
9323c1d3 BJ |
449 | register index; |
450 | ||
451 | srad50(name,rname); | |
452 | ||
565c6f97 | 453 | /* |
9323c1d3 BJ |
454 | * Search for name, accumulate blocks in index |
455 | */ | |
456 | rt_init(); | |
ae07d59d | 457 | for (segnum = 0; segnum != -1; |
89be8e54 | 458 | segnum = rt_dir[segnum].rd_nxtseg - 1) |
ae07d59d SL |
459 | { |
460 | index = 0; | |
ae07d59d SL |
461 | for (de=((char *)&rt_dir[segnum])+10; |
462 | rt(de)->rt_stat != RT_ESEG; de += rt_entsiz) | |
463 | switch(rt(de)->rt_stat) { | |
464 | ||
465 | case RT_FILE: | |
1c6c6a0a | 466 | case RT_PFILE: |
ae07d59d SL |
467 | case RT_TEMP: |
468 | if(samename(rname,rt(de)->rt_name)) { | |
469 | result.count = rt(de)->rt_len * 512; | |
470 | result.startad = 512* | |
89be8e54 | 471 | (rt_dir[segnum].rd_stfile + index); |
ae07d59d | 472 | result.rtdope = (struct rt_ent *) de; |
9953372d | 473 | return (&result); |
ae07d59d SL |
474 | } |
475 | ||
476 | case RT_NULL: | |
477 | index += rt(de)->rt_len; | |
478 | } | |
fa61ea79 | 479 | } |
9953372d | 480 | return ((FLDOPE *) 0); |
ae07d59d | 481 | |
9323c1d3 | 482 | } |
ae07d59d | 483 | |
9323c1d3 | 484 | static |
ae07d59d SL |
485 | samename(a, b) |
486 | u_short a[], b[]; | |
9323c1d3 | 487 | { |
9953372d | 488 | return (*a == *b && a[1] == b[1] && a[2] == b[2] ); |
9323c1d3 BJ |
489 | } |
490 | ||
ae07d59d SL |
491 | rad50(cp, out) |
492 | register u_char *cp; | |
493 | u_short *out; | |
9323c1d3 | 494 | { |
ae07d59d | 495 | register index, temp; |
9323c1d3 | 496 | |
ae07d59d | 497 | for (index = 0; *cp; index++) { |
9323c1d3 | 498 | temp = Ain1 * table[*cp++]; |
ae07d59d | 499 | if (*cp!=0) { |
9323c1d3 | 500 | temp += Ain2 * table[*cp++]; |
9323c1d3 BJ |
501 | if(*cp!=0) |
502 | temp += table[*cp++]; | |
503 | } | |
9323c1d3 BJ |
504 | out[index] = temp; |
505 | } | |
506 | } | |
9323c1d3 | 507 | |
ae07d59d SL |
508 | #define reduce(x, p, q) (x = v[p/q], p %= q); |
509 | ||
510 | unrad50(count, in, cp) | |
511 | u_short *in; | |
512 | register char *cp; | |
9323c1d3 | 513 | { |
ae07d59d SL |
514 | register i, temp; |
515 | register u_char *v = (u_char *) val; | |
9323c1d3 | 516 | |
ae07d59d | 517 | for (i = 0; i < count; i++) { |
9323c1d3 | 518 | temp = in[i]; |
ae07d59d SL |
519 | reduce(*cp++, temp, Ain1); |
520 | reduce(*cp++, temp, Ain2); | |
521 | reduce(*cp++, temp, 1); | |
9323c1d3 BJ |
522 | } |
523 | *cp=0; | |
524 | } | |
525 | ||
ae07d59d SL |
526 | srad50(name, rname) |
527 | register char *name; | |
528 | register u_short *rname; | |
9323c1d3 | 529 | { |
ae07d59d SL |
530 | register index; |
531 | register char *cp; | |
532 | char file[7], ext[4]; | |
533 | ||
565c6f97 | 534 | /* |
9323c1d3 BJ |
535 | * Find end of pathname |
536 | */ | |
ae07d59d SL |
537 | for (cp = name; *cp++; ) |
538 | ; | |
539 | while (cp >= name && *--cp != '/') | |
540 | ; | |
9323c1d3 | 541 | cp++; |
565c6f97 | 542 | /* |
9323c1d3 | 543 | * Change to rad50 |
9323c1d3 | 544 | */ |
ae07d59d | 545 | for (index = 0; *cp; ) { |
9323c1d3 | 546 | file[index++] = *cp++; |
ae07d59d | 547 | if (*cp == '.') { |
9323c1d3 BJ |
548 | cp++; |
549 | break; | |
550 | } | |
ae07d59d | 551 | if (index >= 6) { |
9323c1d3 BJ |
552 | break; |
553 | } | |
554 | } | |
555 | file[index] = 0; | |
ae07d59d | 556 | for (index = 0; *cp; ) { |
9323c1d3 | 557 | ext[index++] = *cp++; |
ae07d59d | 558 | if (*cp == '.' || index >= 3) |
9323c1d3 | 559 | break; |
9323c1d3 BJ |
560 | } |
561 | ext[index]=0; | |
ae07d59d SL |
562 | rname[0] = rname[1] = rname[2] = 0; |
563 | rad50((u_char *)file, rname); | |
564 | rad50((u_char *)ext, rname+2); | |
9323c1d3 | 565 | } |
ae07d59d SL |
566 | |
567 | sunrad50(name, rname) | |
568 | u_short rname[]; | |
569 | register char *name; | |
9323c1d3 BJ |
570 | { |
571 | register char *cp, *cp2; | |
572 | char ext[4]; | |
573 | ||
ae07d59d SL |
574 | unrad50(2, rname, name); |
575 | unrad50(1, rname + 2, ext); | |
576 | /* | |
577 | * Jam name and extension together with a dot | |
578 | * deleting white space | |
579 | */ | |
580 | for (cp = name; *cp++;) | |
581 | ; | |
582 | --cp; | |
583 | while (*--cp == ' ' && cp >= name) | |
584 | ; | |
585 | *++cp = '.'; | |
586 | cp++; | |
587 | for (cp2 = ext; *cp2 != ' ' && cp2 < ext+3;) | |
9323c1d3 | 588 | *cp++ = *cp2++; |
9323c1d3 | 589 | *cp=0; |
ae07d59d SL |
590 | if (cp[-1] == '.') |
591 | cp[-1] = 0; | |
9323c1d3 BJ |
592 | } |
593 | ||
9323c1d3 | 594 | static char *val = " abcdefghijklmnopqrstuvwxyz$.@0123456789"; |
ae07d59d | 595 | |
9323c1d3 BJ |
596 | static char table[256] = { |
597 | 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, | |
598 | 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, | |
599 | 0, 29, 29, 29, 27, 29, 29, 29, 29, 29, 29, 29, 29, 29, 28, 29, | |
600 | 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 29, 29, 29, 29, 29, 29, | |
601 | 29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |
602 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 29, 29, 29, 29, 29, | |
603 | 29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |
604 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 29, 29, 29, 29, 29, | |
605 | 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, | |
606 | 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, | |
607 | 0, 29, 29, 29, 27, 29, 29, 29, 29, 29, 29, 29, 29, 29, 28, 29, | |
608 | 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 29, 29, 29, 29, 29, 29, | |
609 | 29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |
610 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 29, 29, 29, 29, 29, | |
611 | 29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |
612 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 29, 29, 29, 29 }; | |
613 | ||
ae07d59d SL |
614 | /* |
615 | * Logical to physical adress translation | |
616 | */ | |
617 | long | |
618 | trans(logical) | |
619 | register int logical; | |
9323c1d3 | 620 | { |
9323c1d3 BJ |
621 | register int sector, bytes, track; |
622 | ||
ae07d59d SL |
623 | logical += 26*128; |
624 | bytes = (logical&127); | |
9323c1d3 | 625 | logical >>= 7; |
ae07d59d | 626 | sector = logical%26; |
9323c1d3 | 627 | if(sector >= 13) |
ae07d59d | 628 | sector = sector*2+1; |
9323c1d3 BJ |
629 | else |
630 | sector *= 2; | |
ae07d59d | 631 | sector += 26 + ((track = (logical/26))-1)*6; |
9323c1d3 | 632 | sector %= 26; |
9953372d | 633 | return ((((track*26)+sector) << 7) + bytes); |
9323c1d3 | 634 | } |
ae07d59d SL |
635 | |
636 | lread(startad, count, obuff) | |
637 | register startad, count; | |
638 | register char *obuff; | |
9323c1d3 BJ |
639 | { |
640 | long trans(); | |
641 | extern floppydes; | |
ae07d59d | 642 | register int size = flag(m) ? 512 : 128; |
217d56bb MK |
643 | int error = 0; |
644 | extern int errno; | |
ae07d59d | 645 | |
9323c1d3 | 646 | rt_init(); |
ae07d59d | 647 | while ((count -= size) >= 0) { |
89be8e54 | 648 | (void) lseek(floppydes, flag(m) ? |
ae07d59d | 649 | (long)startad : trans(startad), 0); |
217d56bb MK |
650 | if (read(floppydes, obuff, size) != size) { |
651 | error = errno; | |
652 | fprintf(stderr, "arff: read error block %d: ", | |
ae07d59d | 653 | startad/size); |
217d56bb MK |
654 | errno = error; |
655 | perror(""); | |
656 | } | |
ae07d59d SL |
657 | obuff += size; |
658 | startad += size; | |
659 | } | |
217d56bb | 660 | return (error); |
9323c1d3 | 661 | } |
ae07d59d SL |
662 | |
663 | lwrite(startad, count, obuff) | |
664 | register startad, count; | |
665 | register char *obuff; | |
9323c1d3 BJ |
666 | { |
667 | long trans(); | |
668 | extern floppydes; | |
ae07d59d SL |
669 | register int size = flag(m) ? 512 : 128; |
670 | ||
9323c1d3 | 671 | rt_init(); |
ae07d59d | 672 | while ((count -= size) >= 0) { |
89be8e54 | 673 | (void) lseek(floppydes, flag(m) ? |
ae07d59d SL |
674 | (long)startad : trans(startad), 0); |
675 | if (write(floppydes, obuff, size) != size) | |
676 | fprintf(stderr, "arff: write error block %d\n", | |
677 | startad/size); | |
678 | obuff += size; | |
679 | startad += size; | |
680 | } | |
9323c1d3 BJ |
681 | } |
682 | ||
683 | rcmd() | |
684 | { | |
685 | register int i; | |
686 | ||
687 | rt_init(); | |
ae07d59d SL |
688 | if (namc > 0) |
689 | for (i = 0; i < namc; i++) | |
690 | if (rtr(namv[i]) == 0) | |
691 | namv[i] = 0; | |
9323c1d3 BJ |
692 | } |
693 | ||
694 | rtr(name) | |
ae07d59d | 695 | char *name; |
9323c1d3 | 696 | { |
ae07d59d SL |
697 | register FLDOPE *dope; |
698 | register struct rt_ent *de; | |
699 | struct stat buf; | |
700 | register struct stat *bufp = &buf; | |
fa61ea79 | 701 | int segnum; |
89be8e54 | 702 | char type; |
9323c1d3 | 703 | |
ae07d59d | 704 | if (stat(name, bufp) < 0) { |
0dfff170 | 705 | perror(name); |
9953372d | 706 | return (-1); |
0dfff170 | 707 | } |
89be8e54 | 708 | type = 'a'; |
ae07d59d | 709 | if (dope = lookup(name)) { |
9323c1d3 BJ |
710 | /* can replace, no problem */ |
711 | de = dope->rtdope; | |
89be8e54 JB |
712 | if (bufp->st_size <= (de->rt_len * 512)) { |
713 | printf("r - %s\n",name); | |
ae07d59d | 714 | toflop(name, bufp->st_size, dope); |
89be8e54 JB |
715 | goto found; |
716 | } else { | |
717 | de = dope->rtdope; | |
718 | type = 'r'; | |
719 | de->rt_stat = RT_NULL; | |
720 | de->rt_name[0] = 0; | |
721 | de->rt_name[1] = 0; | |
722 | de->rt_name[2] = 0; | |
723 | *((u_short *)&(de->rt_date)) = 0; | |
724 | scrunch(); | |
9323c1d3 | 725 | } |
9953372d SL |
726 | } |
727 | /* | |
728 | * Search for vacant spot | |
729 | */ | |
730 | for (segnum = 0; segnum != -1; | |
89be8e54 | 731 | segnum = rt_dir[segnum].rd_nxtseg - 1) |
9953372d | 732 | { |
9953372d SL |
733 | for (de = rt_dir[segnum].rt_ents; |
734 | rt(de)->rt_stat != RT_ESEG; de++) | |
735 | if ((de)->rt_stat == RT_NULL) { | |
736 | if (bufp->st_size <= (de->rt_len*512)) { | |
89be8e54 | 737 | printf("%c - %s\n", type, name), |
9953372d SL |
738 | mkent(de, segnum, bufp,name); |
739 | goto found; | |
9323c1d3 | 740 | } |
9953372d SL |
741 | continue; |
742 | } | |
9323c1d3 | 743 | } |
89be8e54 JB |
744 | if (type = 'r') |
745 | printf("%s: no slot for file, file deleted\n",name); | |
746 | else | |
747 | printf("%s: no slot for file\n", name); | |
9953372d | 748 | return (-1); |
ae07d59d SL |
749 | |
750 | found: | |
751 | if (dope = lookup(name)) { | |
752 | toflop(name, bufp->st_size, dope); | |
0dfff170 | 753 | return (0); |
9323c1d3 | 754 | } |
0dfff170 BJ |
755 | printf("%s: internal error, added then not found\n", name); |
756 | return (-1); | |
9323c1d3 | 757 | } |
ae07d59d SL |
758 | |
759 | mkent(de, segnum, bufp, name) | |
760 | register struct rt_ent *de; | |
761 | int segnum; | |
762 | register struct stat *bufp; | |
763 | char *name; | |
9323c1d3 | 764 | { |
ae07d59d SL |
765 | struct tm *localtime(); |
766 | register struct tm *timp; | |
767 | register struct rt_ent *workp; | |
768 | int count; | |
9323c1d3 BJ |
769 | |
770 | count = (((bufp->st_size -1) >>9) + 1); | |
ae07d59d SL |
771 | /* make sure there is room */ |
772 | if (de->rt_len == count) | |
9323c1d3 | 773 | goto overwrite; |
ae07d59d | 774 | if ((char *)rt_curend[segnum] == (rt_last + (segnum*2*RT_BLOCK))) { |
89be8e54 JB |
775 | /* no entries left on segment, trying adding new segment */ |
776 | if (rt_dir[0].rd_numseg > rt_dir[0].rd_lstseg) { | |
777 | short newseg; | |
778 | register int i; | |
779 | int maxseg; | |
780 | short size; | |
781 | ||
782 | newseg = rt_dir[0].rd_lstseg++; | |
783 | rt_dir[newseg] = rt_nulldir; | |
784 | rt_dir[newseg].rd_nxtseg = rt_dir[segnum].rd_nxtseg; | |
785 | rt_dir[segnum].rd_nxtseg = newseg + 1; | |
786 | rt_dir[newseg].rd_entpad = rt_dir[0].rd_entpad; | |
787 | rt_dir[newseg].rd_numseg = rt_dir[0].rd_numseg; | |
788 | size = 0; | |
789 | maxseg = 0; | |
790 | for(i = newseg - 1; i >= 0; i--) { | |
791 | workp = rt_curend[i] - 1; | |
792 | if (workp->rt_stat != RT_NULL) | |
793 | continue; | |
794 | if (workp->rt_len < size) | |
795 | continue; | |
796 | size = workp->rt_len; | |
797 | maxseg = i; | |
798 | } | |
799 | size = 0; | |
800 | for (workp = &rt_dir[maxseg].rt_ents[0]; | |
801 | workp->rt_stat != RT_ESEG; workp++) { | |
802 | size += workp->rt_len; | |
803 | } | |
804 | workp--; | |
805 | rt_dir[newseg].rt_ents[0].rt_len = workp->rt_len; | |
806 | rt_dir[newseg].rd_stfile = | |
807 | rt_dir[maxseg].rd_stfile + size - workp->rt_len; | |
808 | workp->rt_len = 0; | |
809 | rt_curend[newseg] = &rt_dir[newseg].rt_ents[1]; | |
810 | lwrite(6*RT_BLOCK, 2*RT_BLOCK, (char *)&rt_dir[0]); | |
811 | if (segnum != 0) | |
812 | lwrite((6+segnum*2)*RT_BLOCK, 2*RT_BLOCK, | |
813 | (char *)&rt_dir[segnum]); | |
814 | lwrite((6+newseg*2)*RT_BLOCK, 2*RT_BLOCK, | |
815 | (char *)&rt_dir[newseg]); | |
816 | segnum = newseg; | |
817 | de = &rt_dir[newseg].rt_ents[0]; | |
818 | } else { | |
819 | fprintf(stderr, "All directory segments full on %s\n", | |
820 | defdev); | |
821 | exit(1); | |
822 | } | |
9323c1d3 | 823 | } |
ae07d59d SL |
824 | /* copy directory entries up */ |
825 | for (workp = rt_curend[segnum]+1; workp > de; workp--) | |
9323c1d3 BJ |
826 | *workp = workp[-1]; |
827 | de[1].rt_len -= count; | |
828 | de->rt_len = count; | |
fa61ea79 | 829 | rt_curend[segnum]++; |
9323c1d3 | 830 | rt_nleft--; |
ae07d59d | 831 | |
9323c1d3 BJ |
832 | overwrite: |
833 | srad50(name,de->rt_name); | |
834 | timp = localtime(&bufp->st_mtime); | |
db34e2f8 | 835 | de->rt_date.rt_dy = timp->tm_mday; |
9323c1d3 BJ |
836 | de->rt_date.rt_mo = timp->tm_mon + 1; |
837 | de->rt_date.rt_yr = timp->tm_year - 72; | |
838 | de->rt_stat = RT_FILE; | |
839 | de->rt_pad = 0; | |
840 | de->rt_chan = 0; | |
841 | de->rt_job = 0; | |
ae07d59d | 842 | lwrite((6+segnum*2)*RT_BLOCK, 2*RT_BLOCK, (char *)&rt_dir[segnum]); |
9323c1d3 BJ |
843 | } |
844 | ||
ae07d59d SL |
845 | toflop(name, ocount, dope) |
846 | char *name; | |
847 | register FLDOPE *dope; | |
848 | long ocount; | |
9323c1d3 BJ |
849 | { |
850 | register file, n, startad = dope->startad, count = ocount; | |
851 | char buff[512]; | |
852 | ||
ae07d59d SL |
853 | file = open(name, 0); |
854 | if (file < 0) { | |
855 | fprintf(stderr, "arff: couldn't open %s\n",name); | |
856 | exit(1); | |
857 | } | |
9323c1d3 | 858 | for( ; count >= 512; count -= 512) { |
89be8e54 | 859 | (void) read(file, buff, 512); |
ae07d59d | 860 | lwrite(startad, 512, buff); |
9323c1d3 BJ |
861 | startad += 512; |
862 | } | |
89be8e54 JB |
863 | (void) read(file, buff, count); |
864 | (void) close(file); | |
ae07d59d SL |
865 | if (count <= 0) |
866 | return; | |
867 | for (n = count; n < 512; n ++) | |
868 | buff[n] = 0; | |
869 | lwrite(startad, 512, buff); | |
870 | count = (dope->rtdope->rt_len*512-ocount)/512 ; | |
871 | if (count <= 0) | |
872 | return; | |
873 | for ( ; count > 0 ; count--) { | |
9323c1d3 | 874 | startad += 512; |
ae07d59d | 875 | lwrite(startad, 512, zeroes); |
9323c1d3 | 876 | } |
9323c1d3 | 877 | } |
ae07d59d | 878 | |
9323c1d3 BJ |
879 | dcmd() |
880 | { | |
881 | register int i; | |
882 | ||
883 | rt_init(); | |
ae07d59d SL |
884 | if (namc) |
885 | for (i = 0; i < namc; i++) | |
886 | if (rtk(namv[i])==0) | |
887 | namv[i]=0; | |
888 | if (dirdirty) | |
9323c1d3 | 889 | scrunch(); |
9323c1d3 | 890 | } |
ae07d59d | 891 | |
9323c1d3 | 892 | rtk(name) |
ae07d59d | 893 | char *name; |
9323c1d3 BJ |
894 | { |
895 | register FLDOPE *dope; | |
896 | register struct rt_ent *de; | |
897 | FLDOPE *lookup(); | |
898 | ||
ae07d59d | 899 | if (dope = lookup(name)) { |
9323c1d3 BJ |
900 | printf("d - %s\n",name); |
901 | de = dope->rtdope; | |
902 | de->rt_stat = RT_NULL; | |
903 | de->rt_name[0] = 0; | |
904 | de->rt_name[1] = 0; | |
905 | de->rt_name[2] = 0; | |
9953372d | 906 | *((u_short *)&(de->rt_date)) = 0; |
9323c1d3 | 907 | dirdirty = 1; |
9953372d | 908 | return (0); |
9323c1d3 | 909 | } |
9953372d | 910 | return (1); |
9323c1d3 | 911 | } |
ae07d59d SL |
912 | |
913 | scrunch() | |
914 | { | |
fa61ea79 BJ |
915 | register struct rt_ent *de , *workp; |
916 | register segnum; | |
ae07d59d SL |
917 | |
918 | for (segnum = 0; segnum != -1; | |
89be8e54 | 919 | segnum = rt_dir[segnum].rd_nxtseg - 1) { |
ae07d59d | 920 | for (de = rt_dir[segnum].rt_ents; de <= rt_curend[segnum]; de++) |
9953372d | 921 | if (de->rt_stat == RT_NULL && |
45ee91c7 | 922 | (de+1)->rt_stat == RT_NULL) { |
ae07d59d | 923 | (de+1)->rt_len += de->rt_len; |
45ee91c7 | 924 | for (workp=de; workp<rt_curend[segnum]; workp++) |
ae07d59d SL |
925 | *workp = workp[1]; |
926 | de--; | |
927 | rt_curend[segnum]--; | |
928 | rt_nleft++; | |
ae07d59d | 929 | } |
45ee91c7 HS |
930 | lwrite((6+segnum*2)*RT_BLOCK, 2*RT_BLOCK, |
931 | (char *)&rt_dir[segnum]); | |
9323c1d3 | 932 | } |
45ee91c7 | 933 | dirdirty = 0; |
9323c1d3 | 934 | } |