Commit | Line | Data |
---|---|---|
d0aeaf5a 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 | ||
2ae9f53f | 7 | #ifndef lint |
828615a1 | 8 | static char *sccsid = "@(#)aux.c 5.6 (Berkeley) %G%"; |
d0aeaf5a | 9 | #endif not lint |
6447a23f KS |
10 | |
11 | #include "rcv.h" | |
12 | #include <sys/stat.h> | |
6447a23f KS |
13 | |
14 | /* | |
15 | * Mail -- a mail program | |
16 | * | |
17 | * Auxiliary functions. | |
18 | */ | |
19 | ||
6447a23f KS |
20 | /* |
21 | * Return a pointer to a dynamic copy of the argument. | |
22 | */ | |
23 | ||
24 | char * | |
25 | savestr(str) | |
26 | char *str; | |
27 | { | |
28 | register char *cp, *cp2, *top; | |
29 | ||
30 | for (cp = str; *cp; cp++) | |
31 | ; | |
32 | top = salloc(cp-str + 1); | |
33 | if (top == NOSTR) | |
34 | return(NOSTR); | |
35 | for (cp = str, cp2 = top; *cp; cp++) | |
36 | *cp2++ = *cp; | |
37 | *cp2 = 0; | |
38 | return(top); | |
39 | } | |
40 | ||
6447a23f KS |
41 | /* |
42 | * Announce a fatal error and die. | |
43 | */ | |
44 | ||
828615a1 EW |
45 | /*VARARGS1*/ |
46 | panic(fmt, a, b) | |
47 | char *fmt; | |
6447a23f | 48 | { |
828615a1 EW |
49 | fprintf(stderr, "panic: "); |
50 | fprintf(stderr, fmt, a, b); | |
51 | putc('\n', stderr); | |
6447a23f KS |
52 | exit(1); |
53 | } | |
54 | ||
6447a23f KS |
55 | /* |
56 | * Touch the named message by setting its MTOUCH flag. | |
57 | * Touched messages have the effect of not being sent | |
58 | * back to the system mailbox on exit. | |
59 | */ | |
60 | ||
61 | touch(mesg) | |
62 | { | |
dffe7e4f KS |
63 | register struct message *mp; |
64 | ||
65 | if (mesg < 1 || mesg > msgCount) | |
66 | return; | |
67 | mp = &message[mesg-1]; | |
68 | mp->m_flag |= MTOUCH; | |
69 | if ((mp->m_flag & MREAD) == 0) | |
70 | mp->m_flag |= MREAD|MSTATUS; | |
6447a23f KS |
71 | } |
72 | ||
73 | /* | |
74 | * Test to see if the passed file name is a directory. | |
75 | * Return true if it is. | |
76 | */ | |
77 | ||
78 | isdir(name) | |
79 | char name[]; | |
80 | { | |
81 | struct stat sbuf; | |
82 | ||
83 | if (stat(name, &sbuf) < 0) | |
84 | return(0); | |
85 | return((sbuf.st_mode & S_IFMT) == S_IFDIR); | |
86 | } | |
87 | ||
6447a23f KS |
88 | /* |
89 | * Count the number of arguments in the given string raw list. | |
90 | */ | |
91 | ||
92 | argcount(argv) | |
93 | char **argv; | |
94 | { | |
95 | register char **ap; | |
96 | ||
828615a1 | 97 | for (ap = argv; *ap++ != NOSTR;) |
6447a23f | 98 | ; |
828615a1 | 99 | return ap - argv - 1; |
6447a23f KS |
100 | } |
101 | ||
6447a23f KS |
102 | /* |
103 | * Return the desired header line from the passed message | |
104 | * pointer (or NOSTR if the desired header field is not available). | |
105 | */ | |
106 | ||
107 | char * | |
108 | hfield(field, mp) | |
109 | char field[]; | |
110 | struct message *mp; | |
111 | { | |
112 | register FILE *ibuf; | |
113 | char linebuf[LINESIZE]; | |
114 | register int lc; | |
828615a1 EW |
115 | register char *hfield; |
116 | char *colon; | |
6447a23f KS |
117 | |
118 | ibuf = setinput(mp); | |
828615a1 EW |
119 | if ((lc = mp->m_lines - 1) < 0) |
120 | return NOSTR; | |
6447a23f | 121 | if (readline(ibuf, linebuf) < 0) |
828615a1 EW |
122 | return NOSTR; |
123 | while (lc > 0) { | |
124 | if ((lc = gethfield(ibuf, linebuf, lc, &colon)) < 0) | |
125 | return NOSTR; | |
126 | if (hfield = ishfield(linebuf, colon, field)) | |
127 | return savestr(hfield); | |
128 | } | |
129 | return NOSTR; | |
6447a23f KS |
130 | } |
131 | ||
132 | /* | |
133 | * Return the next header field found in the given message. | |
828615a1 EW |
134 | * Return >= 0 if something found, < 0 elsewise. |
135 | * "colon" is set to point to the colon in the header. | |
6447a23f KS |
136 | * Must deal with \ continuations & other such fraud. |
137 | */ | |
138 | ||
828615a1 | 139 | gethfield(f, linebuf, rem, colon) |
6447a23f KS |
140 | register FILE *f; |
141 | char linebuf[]; | |
142 | register int rem; | |
828615a1 | 143 | char **colon; |
6447a23f KS |
144 | { |
145 | char line2[LINESIZE]; | |
6447a23f KS |
146 | register char *cp, *cp2; |
147 | register int c; | |
148 | ||
6447a23f | 149 | for (;;) { |
828615a1 EW |
150 | if (--rem < 0) |
151 | return -1; | |
152 | if ((c = readline(f, linebuf)) <= 0) | |
153 | return -1; | |
154 | for (cp = linebuf; isprint(*cp) && *cp != ' ' && *cp != ':'; | |
155 | cp++) | |
156 | ; | |
157 | if (*cp != ':' || cp == linebuf) | |
6447a23f | 158 | continue; |
6447a23f KS |
159 | /* |
160 | * I guess we got a headline. | |
161 | * Handle wraparounding | |
162 | */ | |
828615a1 EW |
163 | *colon = cp; |
164 | cp = linebuf + c; | |
6447a23f | 165 | for (;;) { |
828615a1 EW |
166 | while (--cp >= linebuf && (*cp == ' ' || *cp == '\t')) |
167 | ; | |
168 | cp++; | |
6447a23f KS |
169 | if (rem <= 0) |
170 | break; | |
828615a1 EW |
171 | ungetc(c = getc(f), f); |
172 | if (c != ' ' && c != '\t') | |
6447a23f | 173 | break; |
828615a1 | 174 | if ((c = readline(f, line2)) < 0) |
6447a23f KS |
175 | break; |
176 | rem--; | |
828615a1 | 177 | for (cp2 = line2; *cp2 == ' ' || *cp2 == '\t'; cp2++) |
6447a23f | 178 | ; |
828615a1 EW |
179 | c -= cp2 - line2; |
180 | if (cp + c >= linebuf + LINESIZE - 2) | |
6447a23f | 181 | break; |
6447a23f | 182 | *cp++ = ' '; |
828615a1 EW |
183 | bcopy(cp2, cp, c); |
184 | cp += c; | |
6447a23f | 185 | } |
828615a1 EW |
186 | *cp = 0; |
187 | return rem; | |
6447a23f KS |
188 | } |
189 | /* NOTREACHED */ | |
190 | } | |
191 | ||
192 | /* | |
193 | * Check whether the passed line is a header line of | |
828615a1 | 194 | * the desired breed. Return the field body, or 0. |
6447a23f KS |
195 | */ |
196 | ||
828615a1 EW |
197 | char* |
198 | ishfield(linebuf, colon, field) | |
6447a23f | 199 | char linebuf[], field[]; |
828615a1 | 200 | char *colon; |
6447a23f | 201 | { |
828615a1 | 202 | register char *cp = colon; |
6447a23f | 203 | |
6447a23f | 204 | *cp = 0; |
828615a1 EW |
205 | if (!icequal(linebuf, field)) { |
206 | *cp = ':'; | |
207 | return 0; | |
6447a23f | 208 | } |
828615a1 EW |
209 | *cp = ':'; |
210 | for (cp++; *cp == ' ' || *cp == '\t'; cp++) | |
211 | ; | |
212 | return cp; | |
6447a23f KS |
213 | } |
214 | ||
215 | /* | |
216 | * Compare two strings, ignoring case. | |
217 | */ | |
218 | ||
219 | icequal(s1, s2) | |
220 | register char *s1, *s2; | |
221 | { | |
828615a1 | 222 | register c1, c2; |
6447a23f | 223 | |
828615a1 EW |
224 | for (;;) { |
225 | if ((c1 = (unsigned char)*s1++) != | |
226 | (c2 = (unsigned char)*s2++)) { | |
227 | if (isupper(c1)) | |
228 | c1 = tolower(c1); | |
229 | if (c1 != c2) | |
230 | return 0; | |
231 | } | |
232 | if (c1 == 0) | |
233 | return 1; | |
234 | } | |
235 | /*NOTREACHED*/ | |
6447a23f KS |
236 | } |
237 | ||
da0d3a6d KS |
238 | /* |
239 | * Copy a string, lowercasing it as we go. | |
240 | */ | |
241 | istrcpy(dest, src) | |
828615a1 | 242 | register char *dest, *src; |
da0d3a6d | 243 | { |
da0d3a6d | 244 | |
da0d3a6d | 245 | do { |
828615a1 EW |
246 | if (isupper(*src)) |
247 | *dest++ = tolower(*src); | |
248 | else | |
249 | *dest++ = *src; | |
250 | } while (*src++ != 0); | |
da0d3a6d KS |
251 | } |
252 | ||
6447a23f KS |
253 | /* |
254 | * The following code deals with input stacking to do source | |
255 | * commands. All but the current file pointer are saved on | |
256 | * the stack. | |
257 | */ | |
258 | ||
259 | static int ssp = -1; /* Top of file stack */ | |
e48b42f1 KS |
260 | struct sstack { |
261 | FILE *s_file; /* File we were in. */ | |
262 | int s_cond; /* Saved state of conditionals */ | |
f4aa38b5 | 263 | int s_loading; /* Loading .mailrc, etc. */ |
46053c99 | 264 | } sstack[NOFILE]; |
6447a23f KS |
265 | |
266 | /* | |
267 | * Pushdown current input file and switch to a new one. | |
268 | * Set the global flag "sourcing" so that others will realize | |
269 | * that they are no longer reading from a tty (in all probability). | |
270 | */ | |
271 | ||
272 | source(name) | |
273 | char name[]; | |
274 | { | |
275 | register FILE *fi; | |
5c7ba847 | 276 | register char *cp; |
6447a23f | 277 | |
5c7ba847 KS |
278 | if ((cp = expand(name)) == NOSTR) |
279 | return(1); | |
280 | if ((fi = fopen(cp, "r")) == NULL) { | |
281 | perror(cp); | |
6447a23f KS |
282 | return(1); |
283 | } | |
46053c99 | 284 | if (ssp >= NOFILE - 2) { |
6447a23f KS |
285 | printf("Too much \"sourcing\" going on.\n"); |
286 | fclose(fi); | |
287 | return(1); | |
288 | } | |
e48b42f1 KS |
289 | sstack[++ssp].s_file = input; |
290 | sstack[ssp].s_cond = cond; | |
f4aa38b5 KS |
291 | sstack[ssp].s_loading = loading; |
292 | loading = 0; | |
e48b42f1 | 293 | cond = CANY; |
6447a23f KS |
294 | input = fi; |
295 | sourcing++; | |
296 | return(0); | |
297 | } | |
298 | ||
6447a23f KS |
299 | /* |
300 | * Pop the current input back to the previous level. | |
301 | * Update the "sourcing" flag as appropriate. | |
302 | */ | |
303 | ||
304 | unstack() | |
305 | { | |
306 | if (ssp < 0) { | |
307 | printf("\"Source\" stack over-pop.\n"); | |
308 | sourcing = 0; | |
309 | return(1); | |
310 | } | |
311 | fclose(input); | |
e48b42f1 KS |
312 | if (cond != CANY) |
313 | printf("Unmatched \"if\"\n"); | |
314 | cond = sstack[ssp].s_cond; | |
f4aa38b5 | 315 | loading = sstack[ssp].s_loading; |
e48b42f1 | 316 | input = sstack[ssp--].s_file; |
6447a23f | 317 | if (ssp < 0) |
f4aa38b5 | 318 | sourcing = loading; |
6447a23f KS |
319 | return(0); |
320 | } | |
321 | ||
322 | /* | |
323 | * Touch the indicated file. | |
324 | * This is nifty for the shell. | |
325 | * If we have the utime() system call, this is better served | |
326 | * by using that, since it will work for empty files. | |
327 | * On non-utime systems, we must sleep a second, then read. | |
328 | */ | |
329 | ||
330 | alter(name) | |
331 | char name[]; | |
332 | { | |
333 | #ifdef UTIME | |
334 | struct stat statb; | |
335 | long time(); | |
336 | time_t time_p[2]; | |
337 | #else | |
338 | register int pid, f; | |
339 | char w; | |
340 | #endif UTIME | |
341 | ||
342 | #ifdef UTIME | |
343 | if (stat(name, &statb) < 0) | |
344 | return; | |
345 | time_p[0] = time((long *) 0) + 1; | |
346 | time_p[1] = statb.st_mtime; | |
347 | utime(name, time_p); | |
348 | #else | |
6447a23f KS |
349 | sleep(1); |
350 | if ((f = open(name, 0)) < 0) | |
a0852086 | 351 | return; |
6447a23f KS |
352 | read(f, &w, 1); |
353 | exit(0); | |
354 | #endif | |
355 | } | |
356 | ||
357 | /* | |
358 | * Examine the passed line buffer and | |
359 | * return true if it is all blanks and tabs. | |
360 | */ | |
361 | ||
362 | blankline(linebuf) | |
363 | char linebuf[]; | |
364 | { | |
365 | register char *cp; | |
366 | ||
367 | for (cp = linebuf; *cp; cp++) | |
46053c99 | 368 | if (*cp != ' ' && *cp != '\t') |
6447a23f KS |
369 | return(0); |
370 | return(1); | |
371 | } | |
372 | ||
12388009 KS |
373 | /* |
374 | * Get sender's name from this message. If the message has | |
375 | * a bunch of arpanet stuff in it, we may have to skin the name | |
376 | * before returning it. | |
377 | */ | |
378 | char * | |
379 | nameof(mp, reptype) | |
380 | register struct message *mp; | |
381 | { | |
8bcfa450 | 382 | register char *cp, *cp2; |
12388009 | 383 | |
8bcfa450 KS |
384 | cp = skin(name1(mp, reptype)); |
385 | if (reptype != 0 || charcount(cp, '!') < 2) | |
386 | return(cp); | |
387 | cp2 = rindex(cp, '!'); | |
388 | cp2--; | |
389 | while (cp2 > cp && *cp2 != '!') | |
390 | cp2--; | |
391 | if (*cp2 == '!') | |
392 | return(cp2 + 1); | |
393 | return(cp); | |
12388009 KS |
394 | } |
395 | ||
396 | /* | |
b4817aab | 397 | * Skin an arpa net address according to the RFC 822 interpretation |
12388009 KS |
398 | * of "host-phrase." |
399 | */ | |
400 | char * | |
401 | skin(name) | |
402 | char *name; | |
403 | { | |
404 | register int c; | |
405 | register char *cp, *cp2; | |
b4817aab | 406 | char *bufend; |
12388009 KS |
407 | int gotlt, lastsp; |
408 | char nbuf[BUFSIZ]; | |
46053c99 | 409 | int nesting; |
12388009 KS |
410 | |
411 | if (name == NOSTR) | |
412 | return(NOSTR); | |
e557a09a | 413 | if (index(name, '(') == NOSTR && index(name, '<') == NOSTR |
828615a1 | 414 | && index(name, ' ') == NOSTR) |
12388009 KS |
415 | return(name); |
416 | gotlt = 0; | |
417 | lastsp = 0; | |
b4817aab KM |
418 | bufend = nbuf; |
419 | for (cp = name, cp2 = bufend; c = *cp++; ) { | |
12388009 KS |
420 | switch (c) { |
421 | case '(': | |
b4817aab KM |
422 | /* |
423 | * Start of a "comment". | |
424 | * Ignore it. | |
425 | */ | |
46053c99 | 426 | nesting = 1; |
b4817aab KM |
427 | while ((c = *cp) != 0) { |
428 | cp++; | |
429 | switch (c) { | |
430 | case '\\': | |
431 | if (*cp == 0) | |
432 | goto outcm; | |
433 | cp++; | |
434 | break; | |
46053c99 S |
435 | case '(': |
436 | nesting++; | |
437 | break; | |
438 | ||
439 | case ')': | |
440 | --nesting; | |
441 | break; | |
442 | } | |
443 | ||
444 | if (nesting <= 0) | |
445 | break; | |
446 | } | |
b4817aab KM |
447 | outcm: |
448 | lastsp = 0; | |
449 | break; | |
450 | ||
451 | case '"': | |
452 | /* | |
453 | * Start of a "quoted-string". | |
454 | * Copy it in its entirety. | |
455 | */ | |
456 | while ((c = *cp) != 0) { | |
457 | cp++; | |
458 | switch (c) { | |
459 | case '\\': | |
460 | if ((c = *cp) == 0) | |
461 | goto outqs; | |
462 | cp++; | |
463 | break; | |
464 | case '"': | |
465 | goto outqs; | |
466 | } | |
467 | *cp2++ = c; | |
468 | } | |
469 | outqs: | |
e557a09a | 470 | lastsp = 0; |
12388009 KS |
471 | break; |
472 | ||
473 | case ' ': | |
e557a09a CL |
474 | if (cp[0] == 'a' && cp[1] == 't' && cp[2] == ' ') |
475 | cp += 3, *cp2++ = '@'; | |
476 | else | |
477 | if (cp[0] == '@' && cp[1] == ' ') | |
478 | cp += 2, *cp2++ = '@'; | |
479 | else | |
480 | lastsp = 1; | |
12388009 KS |
481 | break; |
482 | ||
483 | case '<': | |
b4817aab | 484 | cp2 = bufend; |
12388009 KS |
485 | gotlt++; |
486 | lastsp = 0; | |
487 | break; | |
488 | ||
489 | case '>': | |
b4817aab KM |
490 | if (gotlt) { |
491 | gotlt = 0; | |
492 | while (*cp != ',' && *cp != 0) | |
493 | cp++; | |
494 | if (*cp == 0 ) | |
495 | goto done; | |
496 | *cp2++ = ','; | |
497 | *cp2++ = ' '; | |
498 | bufend = cp2; | |
499 | break; | |
500 | } | |
12388009 KS |
501 | |
502 | /* Fall into . . . */ | |
503 | ||
504 | default: | |
505 | if (lastsp) { | |
506 | lastsp = 0; | |
507 | *cp2++ = ' '; | |
508 | } | |
509 | *cp2++ = c; | |
510 | break; | |
511 | } | |
512 | } | |
513 | done: | |
514 | *cp2 = 0; | |
515 | ||
516 | return(savestr(nbuf)); | |
517 | } | |
518 | ||
6447a23f KS |
519 | /* |
520 | * Fetch the sender's name from the passed message. | |
12388009 KS |
521 | * Reptype can be |
522 | * 0 -- get sender's name for display purposes | |
523 | * 1 -- get sender's name for reply | |
524 | * 2 -- get sender's name for Reply | |
6447a23f KS |
525 | */ |
526 | ||
527 | char * | |
12388009 | 528 | name1(mp, reptype) |
6447a23f KS |
529 | register struct message *mp; |
530 | { | |
531 | char namebuf[LINESIZE]; | |
532 | char linebuf[LINESIZE]; | |
533 | register char *cp, *cp2; | |
534 | register FILE *ibuf; | |
535 | int first = 1; | |
536 | ||
12388009 | 537 | if ((cp = hfield("from", mp)) != NOSTR) |
828615a1 | 538 | return cp; |
12388009 | 539 | if (reptype == 0 && (cp = hfield("sender", mp)) != NOSTR) |
828615a1 | 540 | return cp; |
6447a23f | 541 | ibuf = setinput(mp); |
828615a1 EW |
542 | namebuf[0] = 0; |
543 | if (readline(ibuf, linebuf) < 0) | |
6447a23f KS |
544 | return(savestr(namebuf)); |
545 | newname: | |
828615a1 | 546 | for (cp = linebuf; *cp && *cp != ' '; cp++) |
6447a23f | 547 | ; |
828615a1 | 548 | for (; *cp == ' ' || *cp == '\t'; cp++) |
6447a23f | 549 | ; |
828615a1 EW |
550 | for (cp2 = &namebuf[strlen(namebuf)]; |
551 | *cp && *cp != ' ' && *cp != '\t' && cp2 < namebuf + LINESIZE - 1;) | |
552 | *cp2++ = *cp++; | |
6447a23f | 553 | *cp2 = '\0'; |
828615a1 | 554 | if (readline(ibuf, linebuf) < 0) |
6447a23f KS |
555 | return(savestr(namebuf)); |
556 | if ((cp = index(linebuf, 'F')) == NULL) | |
557 | return(savestr(namebuf)); | |
558 | if (strncmp(cp, "From", 4) != 0) | |
559 | return(savestr(namebuf)); | |
560 | while ((cp = index(cp, 'r')) != NULL) { | |
561 | if (strncmp(cp, "remote", 6) == 0) { | |
562 | if ((cp = index(cp, 'f')) == NULL) | |
563 | break; | |
564 | if (strncmp(cp, "from", 4) != 0) | |
565 | break; | |
566 | if ((cp = index(cp, ' ')) == NULL) | |
567 | break; | |
568 | cp++; | |
569 | if (first) { | |
828615a1 | 570 | strcpy(namebuf, cp); |
6447a23f KS |
571 | first = 0; |
572 | } else | |
573 | strcpy(rindex(namebuf, '!')+1, cp); | |
574 | strcat(namebuf, "!"); | |
575 | goto newname; | |
576 | } | |
577 | cp++; | |
578 | } | |
579 | return(savestr(namebuf)); | |
580 | } | |
581 | ||
8bcfa450 KS |
582 | /* |
583 | * Count the occurances of c in str | |
584 | */ | |
585 | charcount(str, c) | |
586 | char *str; | |
587 | { | |
588 | register char *cp; | |
589 | register int i; | |
590 | ||
591 | for (i = 0, cp = str; *cp; cp++) | |
592 | if (*cp == c) | |
593 | i++; | |
594 | return(i); | |
595 | } | |
596 | ||
6447a23f | 597 | /* |
828615a1 | 598 | * Are any of the characters in the two strings the same? |
6447a23f KS |
599 | */ |
600 | ||
828615a1 EW |
601 | anyof(s1, s2) |
602 | register char *s1, *s2; | |
6447a23f | 603 | { |
6447a23f | 604 | |
828615a1 EW |
605 | while (*s1) |
606 | if (index(s2, *s1++)) | |
607 | return 1; | |
608 | return 0; | |
6447a23f KS |
609 | } |
610 | ||
611 | /* | |
828615a1 | 612 | * Convert c to upper case |
6447a23f KS |
613 | */ |
614 | ||
828615a1 EW |
615 | raise(c) |
616 | register c; | |
617 | { | |
618 | ||
619 | if (islower(c)) | |
620 | return toupper(c); | |
621 | return c; | |
622 | } | |
623 | ||
624 | /* | |
625 | * Copy s1 to s2, return pointer to null in s2. | |
626 | */ | |
627 | ||
628 | char * | |
629 | copy(s1, s2) | |
6447a23f KS |
630 | register char *s1, *s2; |
631 | { | |
6447a23f | 632 | |
828615a1 EW |
633 | while (*s2++ = *s1++) |
634 | ; | |
635 | return s2 - 1; | |
636 | } | |
637 | ||
638 | /* | |
639 | * Add a single character onto a string. | |
640 | */ | |
641 | ||
642 | stradd(str, c) | |
643 | register char *str; | |
644 | { | |
645 | ||
646 | while (*str++) | |
647 | ; | |
648 | str[-1] = c; | |
649 | *str = 0; | |
6447a23f KS |
650 | } |
651 | ||
da0d3a6d KS |
652 | /* |
653 | * See if the given header field is supposed to be ignored. | |
654 | */ | |
655 | isign(field) | |
656 | char *field; | |
657 | { | |
658 | char realfld[BUFSIZ]; | |
da0d3a6d | 659 | |
46053c99 S |
660 | /* |
661 | * Lower-case the string, so that "Status" and "status" | |
662 | * will hash to the same place. | |
663 | */ | |
da0d3a6d | 664 | istrcpy(realfld, field); |
46053c99 S |
665 | if (nretained > 0) |
666 | return (!member(realfld, retain)); | |
667 | else | |
668 | return (member(realfld, ignore)); | |
669 | } | |
670 | ||
671 | member(realfield, table) | |
672 | register char *realfield; | |
828615a1 | 673 | struct ignore **table; |
46053c99 S |
674 | { |
675 | register struct ignore *igp; | |
676 | ||
677 | for (igp = table[hash(realfield)]; igp != 0; igp = igp->i_link) | |
828615a1 EW |
678 | if (*igp->i_field == *realfield && |
679 | equal(igp->i_field, realfield)) | |
46053c99 | 680 | return (1); |
46053c99 | 681 | return (0); |
da0d3a6d | 682 | } |