Commit | Line | Data |
---|---|---|
d0aeaf5a DF |
1 | /* |
2 | * Copyright (c) 1980 Regents of the University of California. | |
0c5f72fb KB |
3 | * All rights reserved. |
4 | * | |
1c15e888 C |
5 | * Redistribution and use in source and binary forms are permitted provided |
6 | * that: (1) source distributions retain this entire copyright notice and | |
7 | * comment, and (2) distributions including binaries display the following | |
8 | * acknowledgement: ``This product includes software developed by the | |
9 | * University of California, Berkeley and its contributors'' in the | |
10 | * documentation or other materials provided with the distribution and in | |
11 | * all advertising materials mentioning features or use of this software. | |
12 | * Neither the name of the University nor the names of its contributors may | |
13 | * be used to endorse or promote products derived from this software without | |
14 | * specific prior written permission. | |
15 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED | |
16 | * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF | |
17 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
d0aeaf5a DF |
18 | */ |
19 | ||
acfc7e9b | 20 | #ifndef lint |
1c15e888 | 21 | static char sccsid[] = "@(#)aux.c 5.20 (Berkeley) 6/25/90"; |
acfc7e9b | 22 | #endif /* not lint */ |
6447a23f KS |
23 | |
24 | #include "rcv.h" | |
25 | #include <sys/stat.h> | |
9a7dcab2 | 26 | #include <sys/time.h> |
6447a23f KS |
27 | |
28 | /* | |
29 | * Mail -- a mail program | |
30 | * | |
31 | * Auxiliary functions. | |
32 | */ | |
33 | ||
6447a23f KS |
34 | /* |
35 | * Return a pointer to a dynamic copy of the argument. | |
36 | */ | |
6447a23f KS |
37 | char * |
38 | savestr(str) | |
39 | char *str; | |
40 | { | |
470c33f3 EW |
41 | char *new; |
42 | int size = strlen(str) + 1; | |
6447a23f | 43 | |
470c33f3 EW |
44 | if ((new = salloc(size)) != NOSTR) |
45 | bcopy(str, new, size); | |
46 | return new; | |
6447a23f KS |
47 | } |
48 | ||
6447a23f KS |
49 | /* |
50 | * Announce a fatal error and die. | |
51 | */ | |
52 | ||
828615a1 EW |
53 | /*VARARGS1*/ |
54 | panic(fmt, a, b) | |
55 | char *fmt; | |
6447a23f | 56 | { |
828615a1 EW |
57 | fprintf(stderr, "panic: "); |
58 | fprintf(stderr, fmt, a, b); | |
59 | putc('\n', stderr); | |
07b0d286 EW |
60 | fflush(stdout); |
61 | abort(); | |
6447a23f KS |
62 | } |
63 | ||
6447a23f KS |
64 | /* |
65 | * Touch the named message by setting its MTOUCH flag. | |
66 | * Touched messages have the effect of not being sent | |
67 | * back to the system mailbox on exit. | |
68 | */ | |
470c33f3 | 69 | touch(mp) |
dffe7e4f | 70 | register struct message *mp; |
470c33f3 | 71 | { |
dffe7e4f | 72 | |
dffe7e4f KS |
73 | mp->m_flag |= MTOUCH; |
74 | if ((mp->m_flag & MREAD) == 0) | |
75 | mp->m_flag |= MREAD|MSTATUS; | |
6447a23f KS |
76 | } |
77 | ||
78 | /* | |
79 | * Test to see if the passed file name is a directory. | |
80 | * Return true if it is. | |
81 | */ | |
6447a23f KS |
82 | isdir(name) |
83 | char name[]; | |
84 | { | |
85 | struct stat sbuf; | |
86 | ||
87 | if (stat(name, &sbuf) < 0) | |
88 | return(0); | |
89 | return((sbuf.st_mode & S_IFMT) == S_IFDIR); | |
90 | } | |
91 | ||
6447a23f KS |
92 | /* |
93 | * Count the number of arguments in the given string raw list. | |
94 | */ | |
6447a23f KS |
95 | argcount(argv) |
96 | char **argv; | |
97 | { | |
98 | register char **ap; | |
99 | ||
828615a1 | 100 | for (ap = argv; *ap++ != NOSTR;) |
6447a23f | 101 | ; |
828615a1 | 102 | return ap - argv - 1; |
6447a23f KS |
103 | } |
104 | ||
6447a23f KS |
105 | /* |
106 | * Return the desired header line from the passed message | |
107 | * pointer (or NOSTR if the desired header field is not available). | |
108 | */ | |
6447a23f KS |
109 | char * |
110 | hfield(field, mp) | |
111 | char field[]; | |
112 | struct message *mp; | |
113 | { | |
114 | register FILE *ibuf; | |
115 | char linebuf[LINESIZE]; | |
116 | register int lc; | |
828615a1 EW |
117 | register char *hfield; |
118 | char *colon; | |
6447a23f KS |
119 | |
120 | ibuf = setinput(mp); | |
828615a1 EW |
121 | if ((lc = mp->m_lines - 1) < 0) |
122 | return NOSTR; | |
38ed7007 | 123 | if (readline(ibuf, linebuf, LINESIZE) < 0) |
828615a1 EW |
124 | return NOSTR; |
125 | while (lc > 0) { | |
126 | if ((lc = gethfield(ibuf, linebuf, lc, &colon)) < 0) | |
127 | return NOSTR; | |
128 | if (hfield = ishfield(linebuf, colon, field)) | |
129 | return savestr(hfield); | |
130 | } | |
131 | return NOSTR; | |
6447a23f KS |
132 | } |
133 | ||
134 | /* | |
135 | * Return the next header field found in the given message. | |
828615a1 EW |
136 | * Return >= 0 if something found, < 0 elsewise. |
137 | * "colon" is set to point to the colon in the header. | |
6447a23f KS |
138 | * Must deal with \ continuations & other such fraud. |
139 | */ | |
828615a1 | 140 | gethfield(f, linebuf, rem, colon) |
6447a23f KS |
141 | register FILE *f; |
142 | char linebuf[]; | |
143 | register int rem; | |
828615a1 | 144 | char **colon; |
6447a23f KS |
145 | { |
146 | char line2[LINESIZE]; | |
6447a23f KS |
147 | register char *cp, *cp2; |
148 | register int c; | |
149 | ||
6447a23f | 150 | for (;;) { |
828615a1 EW |
151 | if (--rem < 0) |
152 | return -1; | |
38ed7007 | 153 | if ((c = readline(f, linebuf, LINESIZE)) <= 0) |
828615a1 EW |
154 | return -1; |
155 | for (cp = linebuf; isprint(*cp) && *cp != ' ' && *cp != ':'; | |
156 | cp++) | |
157 | ; | |
158 | if (*cp != ':' || cp == linebuf) | |
6447a23f | 159 | continue; |
6447a23f KS |
160 | /* |
161 | * I guess we got a headline. | |
162 | * Handle wraparounding | |
163 | */ | |
828615a1 EW |
164 | *colon = cp; |
165 | cp = linebuf + c; | |
6447a23f | 166 | for (;;) { |
828615a1 EW |
167 | while (--cp >= linebuf && (*cp == ' ' || *cp == '\t')) |
168 | ; | |
169 | cp++; | |
6447a23f KS |
170 | if (rem <= 0) |
171 | break; | |
828615a1 EW |
172 | ungetc(c = getc(f), f); |
173 | if (c != ' ' && c != '\t') | |
6447a23f | 174 | break; |
38ed7007 | 175 | if ((c = readline(f, line2, LINESIZE)) < 0) |
6447a23f KS |
176 | break; |
177 | rem--; | |
828615a1 | 178 | for (cp2 = line2; *cp2 == ' ' || *cp2 == '\t'; cp2++) |
6447a23f | 179 | ; |
828615a1 EW |
180 | c -= cp2 - line2; |
181 | if (cp + c >= linebuf + LINESIZE - 2) | |
6447a23f | 182 | break; |
6447a23f | 183 | *cp++ = ' '; |
828615a1 EW |
184 | bcopy(cp2, cp, c); |
185 | cp += c; | |
6447a23f | 186 | } |
828615a1 EW |
187 | *cp = 0; |
188 | return rem; | |
6447a23f KS |
189 | } |
190 | /* NOTREACHED */ | |
191 | } | |
192 | ||
193 | /* | |
194 | * Check whether the passed line is a header line of | |
828615a1 | 195 | * the desired breed. Return the field body, or 0. |
6447a23f KS |
196 | */ |
197 | ||
828615a1 EW |
198 | char* |
199 | ishfield(linebuf, colon, field) | |
6447a23f | 200 | char linebuf[], field[]; |
828615a1 | 201 | char *colon; |
6447a23f | 202 | { |
828615a1 | 203 | register char *cp = colon; |
6447a23f | 204 | |
6447a23f | 205 | *cp = 0; |
470c33f3 | 206 | if (strcasecmp(linebuf, field) != 0) { |
828615a1 EW |
207 | *cp = ':'; |
208 | return 0; | |
6447a23f | 209 | } |
828615a1 EW |
210 | *cp = ':'; |
211 | for (cp++; *cp == ' ' || *cp == '\t'; cp++) | |
212 | ; | |
213 | return cp; | |
6447a23f KS |
214 | } |
215 | ||
da0d3a6d KS |
216 | /* |
217 | * Copy a string, lowercasing it as we go. | |
218 | */ | |
219 | istrcpy(dest, src) | |
828615a1 | 220 | register char *dest, *src; |
da0d3a6d | 221 | { |
da0d3a6d | 222 | |
da0d3a6d | 223 | do { |
828615a1 EW |
224 | if (isupper(*src)) |
225 | *dest++ = tolower(*src); | |
226 | else | |
227 | *dest++ = *src; | |
228 | } while (*src++ != 0); | |
da0d3a6d KS |
229 | } |
230 | ||
6447a23f KS |
231 | /* |
232 | * The following code deals with input stacking to do source | |
233 | * commands. All but the current file pointer are saved on | |
234 | * the stack. | |
235 | */ | |
236 | ||
e4920814 | 237 | static int ssp; /* Top of file stack */ |
e48b42f1 KS |
238 | struct sstack { |
239 | FILE *s_file; /* File we were in. */ | |
240 | int s_cond; /* Saved state of conditionals */ | |
f4aa38b5 | 241 | int s_loading; /* Loading .mailrc, etc. */ |
46053c99 | 242 | } sstack[NOFILE]; |
6447a23f KS |
243 | |
244 | /* | |
245 | * Pushdown current input file and switch to a new one. | |
246 | * Set the global flag "sourcing" so that others will realize | |
247 | * that they are no longer reading from a tty (in all probability). | |
248 | */ | |
23464f86 EW |
249 | source(arglist) |
250 | char **arglist; | |
6447a23f | 251 | { |
23464f86 EW |
252 | FILE *fi; |
253 | char *cp; | |
6447a23f | 254 | |
23464f86 | 255 | if ((cp = expand(*arglist)) == NOSTR) |
5c7ba847 | 256 | return(1); |
07b0d286 | 257 | if ((fi = Fopen(cp, "r")) == NULL) { |
5c7ba847 | 258 | perror(cp); |
6447a23f KS |
259 | return(1); |
260 | } | |
e4920814 | 261 | if (ssp >= NOFILE - 1) { |
6447a23f | 262 | printf("Too much \"sourcing\" going on.\n"); |
07b0d286 | 263 | Fclose(fi); |
6447a23f KS |
264 | return(1); |
265 | } | |
e4920814 | 266 | sstack[ssp].s_file = input; |
e48b42f1 | 267 | sstack[ssp].s_cond = cond; |
f4aa38b5 | 268 | sstack[ssp].s_loading = loading; |
e4920814 | 269 | ssp++; |
f4aa38b5 | 270 | loading = 0; |
e48b42f1 | 271 | cond = CANY; |
6447a23f KS |
272 | input = fi; |
273 | sourcing++; | |
274 | return(0); | |
275 | } | |
276 | ||
6447a23f KS |
277 | /* |
278 | * Pop the current input back to the previous level. | |
279 | * Update the "sourcing" flag as appropriate. | |
280 | */ | |
6447a23f KS |
281 | unstack() |
282 | { | |
e4920814 | 283 | if (ssp <= 0) { |
6447a23f KS |
284 | printf("\"Source\" stack over-pop.\n"); |
285 | sourcing = 0; | |
286 | return(1); | |
287 | } | |
07b0d286 | 288 | Fclose(input); |
e48b42f1 KS |
289 | if (cond != CANY) |
290 | printf("Unmatched \"if\"\n"); | |
e4920814 | 291 | ssp--; |
e48b42f1 | 292 | cond = sstack[ssp].s_cond; |
f4aa38b5 | 293 | loading = sstack[ssp].s_loading; |
e4920814 EW |
294 | input = sstack[ssp].s_file; |
295 | if (ssp == 0) | |
f4aa38b5 | 296 | sourcing = loading; |
6447a23f KS |
297 | return(0); |
298 | } | |
299 | ||
300 | /* | |
301 | * Touch the indicated file. | |
302 | * This is nifty for the shell. | |
6447a23f | 303 | */ |
6447a23f | 304 | alter(name) |
9a7dcab2 | 305 | char *name; |
6447a23f | 306 | { |
9a7dcab2 KB |
307 | struct stat sb; |
308 | struct timeval tv[2]; | |
309 | time_t time(); | |
6447a23f | 310 | |
9a7dcab2 | 311 | if (stat(name, &sb)) |
6447a23f | 312 | return; |
9a7dcab2 KB |
313 | tv[0].tv_sec = time((time_t *)0) + 1; |
314 | tv[1].tv_sec = sb.st_mtime; | |
315 | tv[0].tv_usec = tv[1].tv_usec = 0; | |
316 | (void)utimes(name, tv); | |
6447a23f KS |
317 | } |
318 | ||
319 | /* | |
320 | * Examine the passed line buffer and | |
321 | * return true if it is all blanks and tabs. | |
322 | */ | |
6447a23f KS |
323 | blankline(linebuf) |
324 | char linebuf[]; | |
325 | { | |
326 | register char *cp; | |
327 | ||
328 | for (cp = linebuf; *cp; cp++) | |
46053c99 | 329 | if (*cp != ' ' && *cp != '\t') |
6447a23f KS |
330 | return(0); |
331 | return(1); | |
332 | } | |
333 | ||
12388009 KS |
334 | /* |
335 | * Get sender's name from this message. If the message has | |
336 | * a bunch of arpanet stuff in it, we may have to skin the name | |
337 | * before returning it. | |
338 | */ | |
339 | char * | |
340 | nameof(mp, reptype) | |
341 | register struct message *mp; | |
342 | { | |
8bcfa450 | 343 | register char *cp, *cp2; |
12388009 | 344 | |
8bcfa450 KS |
345 | cp = skin(name1(mp, reptype)); |
346 | if (reptype != 0 || charcount(cp, '!') < 2) | |
347 | return(cp); | |
348 | cp2 = rindex(cp, '!'); | |
349 | cp2--; | |
350 | while (cp2 > cp && *cp2 != '!') | |
351 | cp2--; | |
352 | if (*cp2 == '!') | |
353 | return(cp2 + 1); | |
354 | return(cp); | |
12388009 KS |
355 | } |
356 | ||
52111d08 EW |
357 | /* |
358 | * Start of a "comment". | |
359 | * Ignore it. | |
360 | */ | |
361 | char * | |
362 | skip_comment(cp) | |
363 | register char *cp; | |
364 | { | |
365 | register nesting = 1; | |
366 | ||
367 | for (; nesting > 0 && *cp; cp++) { | |
368 | switch (*cp) { | |
369 | case '\\': | |
370 | if (cp[1]) | |
371 | cp++; | |
372 | break; | |
373 | case '(': | |
374 | nesting++; | |
375 | break; | |
376 | case ')': | |
377 | nesting--; | |
378 | break; | |
379 | } | |
380 | } | |
381 | return cp; | |
382 | } | |
383 | ||
12388009 | 384 | /* |
b4817aab | 385 | * Skin an arpa net address according to the RFC 822 interpretation |
12388009 KS |
386 | * of "host-phrase." |
387 | */ | |
388 | char * | |
389 | skin(name) | |
390 | char *name; | |
391 | { | |
392 | register int c; | |
393 | register char *cp, *cp2; | |
b4817aab | 394 | char *bufend; |
12388009 KS |
395 | int gotlt, lastsp; |
396 | char nbuf[BUFSIZ]; | |
397 | ||
398 | if (name == NOSTR) | |
399 | return(NOSTR); | |
e557a09a | 400 | if (index(name, '(') == NOSTR && index(name, '<') == NOSTR |
828615a1 | 401 | && index(name, ' ') == NOSTR) |
12388009 KS |
402 | return(name); |
403 | gotlt = 0; | |
404 | lastsp = 0; | |
b4817aab KM |
405 | bufend = nbuf; |
406 | for (cp = name, cp2 = bufend; c = *cp++; ) { | |
12388009 KS |
407 | switch (c) { |
408 | case '(': | |
52111d08 | 409 | cp = skip_comment(cp); |
b4817aab KM |
410 | lastsp = 0; |
411 | break; | |
412 | ||
413 | case '"': | |
414 | /* | |
415 | * Start of a "quoted-string". | |
416 | * Copy it in its entirety. | |
417 | */ | |
52111d08 | 418 | while (c = *cp) { |
b4817aab | 419 | cp++; |
52111d08 | 420 | if (c == '"') |
b4817aab | 421 | break; |
52111d08 EW |
422 | if (c != '\\') |
423 | *cp2++ = c; | |
424 | else if (c = *cp) { | |
425 | *cp2++ = c; | |
426 | cp++; | |
b4817aab | 427 | } |
b4817aab | 428 | } |
e557a09a | 429 | lastsp = 0; |
12388009 KS |
430 | break; |
431 | ||
432 | case ' ': | |
e557a09a CL |
433 | if (cp[0] == 'a' && cp[1] == 't' && cp[2] == ' ') |
434 | cp += 3, *cp2++ = '@'; | |
435 | else | |
436 | if (cp[0] == '@' && cp[1] == ' ') | |
437 | cp += 2, *cp2++ = '@'; | |
438 | else | |
439 | lastsp = 1; | |
12388009 KS |
440 | break; |
441 | ||
442 | case '<': | |
b4817aab | 443 | cp2 = bufend; |
12388009 KS |
444 | gotlt++; |
445 | lastsp = 0; | |
446 | break; | |
447 | ||
448 | case '>': | |
b4817aab KM |
449 | if (gotlt) { |
450 | gotlt = 0; | |
52111d08 | 451 | while ((c = *cp) && c != ',') { |
b4817aab | 452 | cp++; |
52111d08 EW |
453 | if (c == '(') |
454 | cp = skip_comment(cp); | |
455 | else if (c == '"') | |
456 | while (c = *cp) { | |
457 | cp++; | |
458 | if (c == '"') | |
459 | break; | |
460 | if (c == '\\' && *cp) | |
461 | cp++; | |
462 | } | |
463 | } | |
464 | lastsp = 0; | |
b4817aab KM |
465 | break; |
466 | } | |
12388009 KS |
467 | /* Fall into . . . */ |
468 | ||
469 | default: | |
470 | if (lastsp) { | |
471 | lastsp = 0; | |
472 | *cp2++ = ' '; | |
473 | } | |
474 | *cp2++ = c; | |
52111d08 EW |
475 | if (c == ',' && !gotlt) { |
476 | *cp2++ = ' '; | |
477 | for (; *cp == ' '; cp++) | |
478 | ; | |
479 | lastsp = 0; | |
480 | bufend = cp2; | |
481 | } | |
12388009 KS |
482 | } |
483 | } | |
12388009 KS |
484 | *cp2 = 0; |
485 | ||
486 | return(savestr(nbuf)); | |
487 | } | |
488 | ||
6447a23f KS |
489 | /* |
490 | * Fetch the sender's name from the passed message. | |
12388009 KS |
491 | * Reptype can be |
492 | * 0 -- get sender's name for display purposes | |
493 | * 1 -- get sender's name for reply | |
494 | * 2 -- get sender's name for Reply | |
6447a23f | 495 | */ |
6447a23f | 496 | char * |
12388009 | 497 | name1(mp, reptype) |
6447a23f KS |
498 | register struct message *mp; |
499 | { | |
500 | char namebuf[LINESIZE]; | |
501 | char linebuf[LINESIZE]; | |
502 | register char *cp, *cp2; | |
503 | register FILE *ibuf; | |
504 | int first = 1; | |
505 | ||
12388009 | 506 | if ((cp = hfield("from", mp)) != NOSTR) |
828615a1 | 507 | return cp; |
12388009 | 508 | if (reptype == 0 && (cp = hfield("sender", mp)) != NOSTR) |
828615a1 | 509 | return cp; |
6447a23f | 510 | ibuf = setinput(mp); |
828615a1 | 511 | namebuf[0] = 0; |
38ed7007 | 512 | if (readline(ibuf, linebuf, LINESIZE) < 0) |
6447a23f KS |
513 | return(savestr(namebuf)); |
514 | newname: | |
828615a1 | 515 | for (cp = linebuf; *cp && *cp != ' '; cp++) |
6447a23f | 516 | ; |
828615a1 | 517 | for (; *cp == ' ' || *cp == '\t'; cp++) |
6447a23f | 518 | ; |
828615a1 EW |
519 | for (cp2 = &namebuf[strlen(namebuf)]; |
520 | *cp && *cp != ' ' && *cp != '\t' && cp2 < namebuf + LINESIZE - 1;) | |
521 | *cp2++ = *cp++; | |
6447a23f | 522 | *cp2 = '\0'; |
38ed7007 | 523 | if (readline(ibuf, linebuf, LINESIZE) < 0) |
6447a23f KS |
524 | return(savestr(namebuf)); |
525 | if ((cp = index(linebuf, 'F')) == NULL) | |
526 | return(savestr(namebuf)); | |
527 | if (strncmp(cp, "From", 4) != 0) | |
528 | return(savestr(namebuf)); | |
529 | while ((cp = index(cp, 'r')) != NULL) { | |
530 | if (strncmp(cp, "remote", 6) == 0) { | |
531 | if ((cp = index(cp, 'f')) == NULL) | |
532 | break; | |
533 | if (strncmp(cp, "from", 4) != 0) | |
534 | break; | |
535 | if ((cp = index(cp, ' ')) == NULL) | |
536 | break; | |
537 | cp++; | |
538 | if (first) { | |
828615a1 | 539 | strcpy(namebuf, cp); |
6447a23f KS |
540 | first = 0; |
541 | } else | |
542 | strcpy(rindex(namebuf, '!')+1, cp); | |
543 | strcat(namebuf, "!"); | |
544 | goto newname; | |
545 | } | |
546 | cp++; | |
547 | } | |
548 | return(savestr(namebuf)); | |
549 | } | |
550 | ||
8bcfa450 KS |
551 | /* |
552 | * Count the occurances of c in str | |
553 | */ | |
554 | charcount(str, c) | |
555 | char *str; | |
556 | { | |
557 | register char *cp; | |
558 | register int i; | |
559 | ||
560 | for (i = 0, cp = str; *cp; cp++) | |
561 | if (*cp == c) | |
562 | i++; | |
563 | return(i); | |
564 | } | |
565 | ||
6447a23f | 566 | /* |
828615a1 | 567 | * Are any of the characters in the two strings the same? |
6447a23f | 568 | */ |
828615a1 EW |
569 | anyof(s1, s2) |
570 | register char *s1, *s2; | |
6447a23f | 571 | { |
6447a23f | 572 | |
828615a1 EW |
573 | while (*s1) |
574 | if (index(s2, *s1++)) | |
575 | return 1; | |
576 | return 0; | |
6447a23f KS |
577 | } |
578 | ||
579 | /* | |
828615a1 | 580 | * Convert c to upper case |
6447a23f | 581 | */ |
828615a1 EW |
582 | raise(c) |
583 | register c; | |
584 | { | |
585 | ||
586 | if (islower(c)) | |
587 | return toupper(c); | |
588 | return c; | |
589 | } | |
590 | ||
591 | /* | |
592 | * Copy s1 to s2, return pointer to null in s2. | |
593 | */ | |
828615a1 EW |
594 | char * |
595 | copy(s1, s2) | |
6447a23f KS |
596 | register char *s1, *s2; |
597 | { | |
6447a23f | 598 | |
828615a1 EW |
599 | while (*s2++ = *s1++) |
600 | ; | |
601 | return s2 - 1; | |
602 | } | |
603 | ||
da0d3a6d KS |
604 | /* |
605 | * See if the given header field is supposed to be ignored. | |
606 | */ | |
887efe38 | 607 | isign(field, ignore) |
da0d3a6d | 608 | char *field; |
887efe38 | 609 | struct ignoretab ignore[2]; |
da0d3a6d KS |
610 | { |
611 | char realfld[BUFSIZ]; | |
da0d3a6d | 612 | |
2de8fc95 EW |
613 | if (ignore == ignoreall) |
614 | return 1; | |
46053c99 S |
615 | /* |
616 | * Lower-case the string, so that "Status" and "status" | |
617 | * will hash to the same place. | |
618 | */ | |
da0d3a6d | 619 | istrcpy(realfld, field); |
887efe38 EW |
620 | if (ignore[1].i_count > 0) |
621 | return (!member(realfld, ignore + 1)); | |
46053c99 S |
622 | else |
623 | return (member(realfld, ignore)); | |
624 | } | |
625 | ||
626 | member(realfield, table) | |
627 | register char *realfield; | |
887efe38 | 628 | struct ignoretab *table; |
46053c99 S |
629 | { |
630 | register struct ignore *igp; | |
631 | ||
887efe38 | 632 | for (igp = table->i_head[hash(realfield)]; igp != 0; igp = igp->i_link) |
828615a1 EW |
633 | if (*igp->i_field == *realfield && |
634 | equal(igp->i_field, realfield)) | |
46053c99 | 635 | return (1); |
46053c99 | 636 | return (0); |
da0d3a6d | 637 | } |