Commit | Line | Data |
---|---|---|
d0aeaf5a DF |
1 | /* |
2 | * Copyright (c) 1980 Regents of the University of California. | |
0c5f72fb KB |
3 | * All rights reserved. |
4 | * | |
f15db449 | 5 | * %sccs.include.redist.c% |
d0aeaf5a DF |
6 | */ |
7 | ||
acfc7e9b | 8 | #ifndef lint |
f15db449 | 9 | static char sccsid[] = "@(#)aux.c 5.19 (Berkeley) %G%"; |
acfc7e9b | 10 | #endif /* not lint */ |
6447a23f KS |
11 | |
12 | #include "rcv.h" | |
13 | #include <sys/stat.h> | |
9a7dcab2 | 14 | #include <sys/time.h> |
6447a23f KS |
15 | |
16 | /* | |
17 | * Mail -- a mail program | |
18 | * | |
19 | * Auxiliary functions. | |
20 | */ | |
21 | ||
6447a23f KS |
22 | /* |
23 | * Return a pointer to a dynamic copy of the argument. | |
24 | */ | |
6447a23f KS |
25 | char * |
26 | savestr(str) | |
27 | char *str; | |
28 | { | |
470c33f3 EW |
29 | char *new; |
30 | int size = strlen(str) + 1; | |
6447a23f | 31 | |
470c33f3 EW |
32 | if ((new = salloc(size)) != NOSTR) |
33 | bcopy(str, new, size); | |
34 | return new; | |
6447a23f KS |
35 | } |
36 | ||
6447a23f KS |
37 | /* |
38 | * Announce a fatal error and die. | |
39 | */ | |
40 | ||
828615a1 EW |
41 | /*VARARGS1*/ |
42 | panic(fmt, a, b) | |
43 | char *fmt; | |
6447a23f | 44 | { |
828615a1 EW |
45 | fprintf(stderr, "panic: "); |
46 | fprintf(stderr, fmt, a, b); | |
47 | putc('\n', stderr); | |
6447a23f KS |
48 | exit(1); |
49 | } | |
50 | ||
6447a23f KS |
51 | /* |
52 | * Touch the named message by setting its MTOUCH flag. | |
53 | * Touched messages have the effect of not being sent | |
54 | * back to the system mailbox on exit. | |
55 | */ | |
470c33f3 | 56 | touch(mp) |
dffe7e4f | 57 | register struct message *mp; |
470c33f3 | 58 | { |
dffe7e4f | 59 | |
dffe7e4f KS |
60 | mp->m_flag |= MTOUCH; |
61 | if ((mp->m_flag & MREAD) == 0) | |
62 | mp->m_flag |= MREAD|MSTATUS; | |
6447a23f KS |
63 | } |
64 | ||
65 | /* | |
66 | * Test to see if the passed file name is a directory. | |
67 | * Return true if it is. | |
68 | */ | |
6447a23f KS |
69 | isdir(name) |
70 | char name[]; | |
71 | { | |
72 | struct stat sbuf; | |
73 | ||
74 | if (stat(name, &sbuf) < 0) | |
75 | return(0); | |
76 | return((sbuf.st_mode & S_IFMT) == S_IFDIR); | |
77 | } | |
78 | ||
6447a23f KS |
79 | /* |
80 | * Count the number of arguments in the given string raw list. | |
81 | */ | |
6447a23f KS |
82 | argcount(argv) |
83 | char **argv; | |
84 | { | |
85 | register char **ap; | |
86 | ||
828615a1 | 87 | for (ap = argv; *ap++ != NOSTR;) |
6447a23f | 88 | ; |
828615a1 | 89 | return ap - argv - 1; |
6447a23f KS |
90 | } |
91 | ||
6447a23f KS |
92 | /* |
93 | * Return the desired header line from the passed message | |
94 | * pointer (or NOSTR if the desired header field is not available). | |
95 | */ | |
6447a23f KS |
96 | char * |
97 | hfield(field, mp) | |
98 | char field[]; | |
99 | struct message *mp; | |
100 | { | |
101 | register FILE *ibuf; | |
102 | char linebuf[LINESIZE]; | |
103 | register int lc; | |
828615a1 EW |
104 | register char *hfield; |
105 | char *colon; | |
6447a23f KS |
106 | |
107 | ibuf = setinput(mp); | |
828615a1 EW |
108 | if ((lc = mp->m_lines - 1) < 0) |
109 | return NOSTR; | |
38ed7007 | 110 | if (readline(ibuf, linebuf, LINESIZE) < 0) |
828615a1 EW |
111 | return NOSTR; |
112 | while (lc > 0) { | |
113 | if ((lc = gethfield(ibuf, linebuf, lc, &colon)) < 0) | |
114 | return NOSTR; | |
115 | if (hfield = ishfield(linebuf, colon, field)) | |
116 | return savestr(hfield); | |
117 | } | |
118 | return NOSTR; | |
6447a23f KS |
119 | } |
120 | ||
121 | /* | |
122 | * Return the next header field found in the given message. | |
828615a1 EW |
123 | * Return >= 0 if something found, < 0 elsewise. |
124 | * "colon" is set to point to the colon in the header. | |
6447a23f KS |
125 | * Must deal with \ continuations & other such fraud. |
126 | */ | |
828615a1 | 127 | gethfield(f, linebuf, rem, colon) |
6447a23f KS |
128 | register FILE *f; |
129 | char linebuf[]; | |
130 | register int rem; | |
828615a1 | 131 | char **colon; |
6447a23f KS |
132 | { |
133 | char line2[LINESIZE]; | |
6447a23f KS |
134 | register char *cp, *cp2; |
135 | register int c; | |
136 | ||
6447a23f | 137 | for (;;) { |
828615a1 EW |
138 | if (--rem < 0) |
139 | return -1; | |
38ed7007 | 140 | if ((c = readline(f, linebuf, LINESIZE)) <= 0) |
828615a1 EW |
141 | return -1; |
142 | for (cp = linebuf; isprint(*cp) && *cp != ' ' && *cp != ':'; | |
143 | cp++) | |
144 | ; | |
145 | if (*cp != ':' || cp == linebuf) | |
6447a23f | 146 | continue; |
6447a23f KS |
147 | /* |
148 | * I guess we got a headline. | |
149 | * Handle wraparounding | |
150 | */ | |
828615a1 EW |
151 | *colon = cp; |
152 | cp = linebuf + c; | |
6447a23f | 153 | for (;;) { |
828615a1 EW |
154 | while (--cp >= linebuf && (*cp == ' ' || *cp == '\t')) |
155 | ; | |
156 | cp++; | |
6447a23f KS |
157 | if (rem <= 0) |
158 | break; | |
828615a1 EW |
159 | ungetc(c = getc(f), f); |
160 | if (c != ' ' && c != '\t') | |
6447a23f | 161 | break; |
38ed7007 | 162 | if ((c = readline(f, line2, LINESIZE)) < 0) |
6447a23f KS |
163 | break; |
164 | rem--; | |
828615a1 | 165 | for (cp2 = line2; *cp2 == ' ' || *cp2 == '\t'; cp2++) |
6447a23f | 166 | ; |
828615a1 EW |
167 | c -= cp2 - line2; |
168 | if (cp + c >= linebuf + LINESIZE - 2) | |
6447a23f | 169 | break; |
6447a23f | 170 | *cp++ = ' '; |
828615a1 EW |
171 | bcopy(cp2, cp, c); |
172 | cp += c; | |
6447a23f | 173 | } |
828615a1 EW |
174 | *cp = 0; |
175 | return rem; | |
6447a23f KS |
176 | } |
177 | /* NOTREACHED */ | |
178 | } | |
179 | ||
180 | /* | |
181 | * Check whether the passed line is a header line of | |
828615a1 | 182 | * the desired breed. Return the field body, or 0. |
6447a23f KS |
183 | */ |
184 | ||
828615a1 EW |
185 | char* |
186 | ishfield(linebuf, colon, field) | |
6447a23f | 187 | char linebuf[], field[]; |
828615a1 | 188 | char *colon; |
6447a23f | 189 | { |
828615a1 | 190 | register char *cp = colon; |
6447a23f | 191 | |
6447a23f | 192 | *cp = 0; |
470c33f3 | 193 | if (strcasecmp(linebuf, field) != 0) { |
828615a1 EW |
194 | *cp = ':'; |
195 | return 0; | |
6447a23f | 196 | } |
828615a1 EW |
197 | *cp = ':'; |
198 | for (cp++; *cp == ' ' || *cp == '\t'; cp++) | |
199 | ; | |
200 | return cp; | |
6447a23f KS |
201 | } |
202 | ||
da0d3a6d KS |
203 | /* |
204 | * Copy a string, lowercasing it as we go. | |
205 | */ | |
206 | istrcpy(dest, src) | |
828615a1 | 207 | register char *dest, *src; |
da0d3a6d | 208 | { |
da0d3a6d | 209 | |
da0d3a6d | 210 | do { |
828615a1 EW |
211 | if (isupper(*src)) |
212 | *dest++ = tolower(*src); | |
213 | else | |
214 | *dest++ = *src; | |
215 | } while (*src++ != 0); | |
da0d3a6d KS |
216 | } |
217 | ||
6447a23f KS |
218 | /* |
219 | * The following code deals with input stacking to do source | |
220 | * commands. All but the current file pointer are saved on | |
221 | * the stack. | |
222 | */ | |
223 | ||
e4920814 | 224 | static int ssp; /* Top of file stack */ |
e48b42f1 KS |
225 | struct sstack { |
226 | FILE *s_file; /* File we were in. */ | |
227 | int s_cond; /* Saved state of conditionals */ | |
f4aa38b5 | 228 | int s_loading; /* Loading .mailrc, etc. */ |
46053c99 | 229 | } sstack[NOFILE]; |
6447a23f KS |
230 | |
231 | /* | |
232 | * Pushdown current input file and switch to a new one. | |
233 | * Set the global flag "sourcing" so that others will realize | |
234 | * that they are no longer reading from a tty (in all probability). | |
235 | */ | |
23464f86 EW |
236 | source(arglist) |
237 | char **arglist; | |
6447a23f | 238 | { |
23464f86 EW |
239 | FILE *fi; |
240 | char *cp; | |
6447a23f | 241 | |
23464f86 | 242 | if ((cp = expand(*arglist)) == NOSTR) |
5c7ba847 KS |
243 | return(1); |
244 | if ((fi = fopen(cp, "r")) == NULL) { | |
245 | perror(cp); | |
6447a23f KS |
246 | return(1); |
247 | } | |
e4920814 | 248 | if (ssp >= NOFILE - 1) { |
6447a23f KS |
249 | printf("Too much \"sourcing\" going on.\n"); |
250 | fclose(fi); | |
251 | return(1); | |
252 | } | |
e4920814 | 253 | sstack[ssp].s_file = input; |
e48b42f1 | 254 | sstack[ssp].s_cond = cond; |
f4aa38b5 | 255 | sstack[ssp].s_loading = loading; |
e4920814 | 256 | ssp++; |
f4aa38b5 | 257 | loading = 0; |
e48b42f1 | 258 | cond = CANY; |
6447a23f KS |
259 | input = fi; |
260 | sourcing++; | |
261 | return(0); | |
262 | } | |
263 | ||
6447a23f KS |
264 | /* |
265 | * Pop the current input back to the previous level. | |
266 | * Update the "sourcing" flag as appropriate. | |
267 | */ | |
6447a23f KS |
268 | unstack() |
269 | { | |
e4920814 | 270 | if (ssp <= 0) { |
6447a23f KS |
271 | printf("\"Source\" stack over-pop.\n"); |
272 | sourcing = 0; | |
273 | return(1); | |
274 | } | |
275 | fclose(input); | |
e48b42f1 KS |
276 | if (cond != CANY) |
277 | printf("Unmatched \"if\"\n"); | |
e4920814 | 278 | ssp--; |
e48b42f1 | 279 | cond = sstack[ssp].s_cond; |
f4aa38b5 | 280 | loading = sstack[ssp].s_loading; |
e4920814 EW |
281 | input = sstack[ssp].s_file; |
282 | if (ssp == 0) | |
f4aa38b5 | 283 | sourcing = loading; |
6447a23f KS |
284 | return(0); |
285 | } | |
286 | ||
287 | /* | |
288 | * Touch the indicated file. | |
289 | * This is nifty for the shell. | |
6447a23f | 290 | */ |
6447a23f | 291 | alter(name) |
9a7dcab2 | 292 | char *name; |
6447a23f | 293 | { |
9a7dcab2 KB |
294 | struct stat sb; |
295 | struct timeval tv[2]; | |
296 | time_t time(); | |
6447a23f | 297 | |
9a7dcab2 | 298 | if (stat(name, &sb)) |
6447a23f | 299 | return; |
9a7dcab2 KB |
300 | tv[0].tv_sec = time((time_t *)0) + 1; |
301 | tv[1].tv_sec = sb.st_mtime; | |
302 | tv[0].tv_usec = tv[1].tv_usec = 0; | |
303 | (void)utimes(name, tv); | |
6447a23f KS |
304 | } |
305 | ||
306 | /* | |
307 | * Examine the passed line buffer and | |
308 | * return true if it is all blanks and tabs. | |
309 | */ | |
6447a23f KS |
310 | blankline(linebuf) |
311 | char linebuf[]; | |
312 | { | |
313 | register char *cp; | |
314 | ||
315 | for (cp = linebuf; *cp; cp++) | |
46053c99 | 316 | if (*cp != ' ' && *cp != '\t') |
6447a23f KS |
317 | return(0); |
318 | return(1); | |
319 | } | |
320 | ||
12388009 KS |
321 | /* |
322 | * Get sender's name from this message. If the message has | |
323 | * a bunch of arpanet stuff in it, we may have to skin the name | |
324 | * before returning it. | |
325 | */ | |
326 | char * | |
327 | nameof(mp, reptype) | |
328 | register struct message *mp; | |
329 | { | |
8bcfa450 | 330 | register char *cp, *cp2; |
12388009 | 331 | |
8bcfa450 KS |
332 | cp = skin(name1(mp, reptype)); |
333 | if (reptype != 0 || charcount(cp, '!') < 2) | |
334 | return(cp); | |
335 | cp2 = rindex(cp, '!'); | |
336 | cp2--; | |
337 | while (cp2 > cp && *cp2 != '!') | |
338 | cp2--; | |
339 | if (*cp2 == '!') | |
340 | return(cp2 + 1); | |
341 | return(cp); | |
12388009 KS |
342 | } |
343 | ||
52111d08 EW |
344 | /* |
345 | * Start of a "comment". | |
346 | * Ignore it. | |
347 | */ | |
348 | char * | |
349 | skip_comment(cp) | |
350 | register char *cp; | |
351 | { | |
352 | register nesting = 1; | |
353 | ||
354 | for (; nesting > 0 && *cp; cp++) { | |
355 | switch (*cp) { | |
356 | case '\\': | |
357 | if (cp[1]) | |
358 | cp++; | |
359 | break; | |
360 | case '(': | |
361 | nesting++; | |
362 | break; | |
363 | case ')': | |
364 | nesting--; | |
365 | break; | |
366 | } | |
367 | } | |
368 | return cp; | |
369 | } | |
370 | ||
12388009 | 371 | /* |
b4817aab | 372 | * Skin an arpa net address according to the RFC 822 interpretation |
12388009 KS |
373 | * of "host-phrase." |
374 | */ | |
375 | char * | |
376 | skin(name) | |
377 | char *name; | |
378 | { | |
379 | register int c; | |
380 | register char *cp, *cp2; | |
b4817aab | 381 | char *bufend; |
12388009 KS |
382 | int gotlt, lastsp; |
383 | char nbuf[BUFSIZ]; | |
384 | ||
385 | if (name == NOSTR) | |
386 | return(NOSTR); | |
e557a09a | 387 | if (index(name, '(') == NOSTR && index(name, '<') == NOSTR |
828615a1 | 388 | && index(name, ' ') == NOSTR) |
12388009 KS |
389 | return(name); |
390 | gotlt = 0; | |
391 | lastsp = 0; | |
b4817aab KM |
392 | bufend = nbuf; |
393 | for (cp = name, cp2 = bufend; c = *cp++; ) { | |
12388009 KS |
394 | switch (c) { |
395 | case '(': | |
52111d08 | 396 | cp = skip_comment(cp); |
b4817aab KM |
397 | lastsp = 0; |
398 | break; | |
399 | ||
400 | case '"': | |
401 | /* | |
402 | * Start of a "quoted-string". | |
403 | * Copy it in its entirety. | |
404 | */ | |
52111d08 | 405 | while (c = *cp) { |
b4817aab | 406 | cp++; |
52111d08 | 407 | if (c == '"') |
b4817aab | 408 | break; |
52111d08 EW |
409 | if (c != '\\') |
410 | *cp2++ = c; | |
411 | else if (c = *cp) { | |
412 | *cp2++ = c; | |
413 | cp++; | |
b4817aab | 414 | } |
b4817aab | 415 | } |
e557a09a | 416 | lastsp = 0; |
12388009 KS |
417 | break; |
418 | ||
419 | case ' ': | |
e557a09a CL |
420 | if (cp[0] == 'a' && cp[1] == 't' && cp[2] == ' ') |
421 | cp += 3, *cp2++ = '@'; | |
422 | else | |
423 | if (cp[0] == '@' && cp[1] == ' ') | |
424 | cp += 2, *cp2++ = '@'; | |
425 | else | |
426 | lastsp = 1; | |
12388009 KS |
427 | break; |
428 | ||
429 | case '<': | |
b4817aab | 430 | cp2 = bufend; |
12388009 KS |
431 | gotlt++; |
432 | lastsp = 0; | |
433 | break; | |
434 | ||
435 | case '>': | |
b4817aab KM |
436 | if (gotlt) { |
437 | gotlt = 0; | |
52111d08 | 438 | while ((c = *cp) && c != ',') { |
b4817aab | 439 | cp++; |
52111d08 EW |
440 | if (c == '(') |
441 | cp = skip_comment(cp); | |
442 | else if (c == '"') | |
443 | while (c = *cp) { | |
444 | cp++; | |
445 | if (c == '"') | |
446 | break; | |
447 | if (c == '\\' && *cp) | |
448 | cp++; | |
449 | } | |
450 | } | |
451 | lastsp = 0; | |
b4817aab KM |
452 | break; |
453 | } | |
12388009 KS |
454 | /* Fall into . . . */ |
455 | ||
456 | default: | |
457 | if (lastsp) { | |
458 | lastsp = 0; | |
459 | *cp2++ = ' '; | |
460 | } | |
461 | *cp2++ = c; | |
52111d08 EW |
462 | if (c == ',' && !gotlt) { |
463 | *cp2++ = ' '; | |
464 | for (; *cp == ' '; cp++) | |
465 | ; | |
466 | lastsp = 0; | |
467 | bufend = cp2; | |
468 | } | |
12388009 KS |
469 | } |
470 | } | |
12388009 KS |
471 | *cp2 = 0; |
472 | ||
473 | return(savestr(nbuf)); | |
474 | } | |
475 | ||
6447a23f KS |
476 | /* |
477 | * Fetch the sender's name from the passed message. | |
12388009 KS |
478 | * Reptype can be |
479 | * 0 -- get sender's name for display purposes | |
480 | * 1 -- get sender's name for reply | |
481 | * 2 -- get sender's name for Reply | |
6447a23f | 482 | */ |
6447a23f | 483 | char * |
12388009 | 484 | name1(mp, reptype) |
6447a23f KS |
485 | register struct message *mp; |
486 | { | |
487 | char namebuf[LINESIZE]; | |
488 | char linebuf[LINESIZE]; | |
489 | register char *cp, *cp2; | |
490 | register FILE *ibuf; | |
491 | int first = 1; | |
492 | ||
12388009 | 493 | if ((cp = hfield("from", mp)) != NOSTR) |
828615a1 | 494 | return cp; |
12388009 | 495 | if (reptype == 0 && (cp = hfield("sender", mp)) != NOSTR) |
828615a1 | 496 | return cp; |
6447a23f | 497 | ibuf = setinput(mp); |
828615a1 | 498 | namebuf[0] = 0; |
38ed7007 | 499 | if (readline(ibuf, linebuf, LINESIZE) < 0) |
6447a23f KS |
500 | return(savestr(namebuf)); |
501 | newname: | |
828615a1 | 502 | for (cp = linebuf; *cp && *cp != ' '; cp++) |
6447a23f | 503 | ; |
828615a1 | 504 | for (; *cp == ' ' || *cp == '\t'; cp++) |
6447a23f | 505 | ; |
828615a1 EW |
506 | for (cp2 = &namebuf[strlen(namebuf)]; |
507 | *cp && *cp != ' ' && *cp != '\t' && cp2 < namebuf + LINESIZE - 1;) | |
508 | *cp2++ = *cp++; | |
6447a23f | 509 | *cp2 = '\0'; |
38ed7007 | 510 | if (readline(ibuf, linebuf, LINESIZE) < 0) |
6447a23f KS |
511 | return(savestr(namebuf)); |
512 | if ((cp = index(linebuf, 'F')) == NULL) | |
513 | return(savestr(namebuf)); | |
514 | if (strncmp(cp, "From", 4) != 0) | |
515 | return(savestr(namebuf)); | |
516 | while ((cp = index(cp, 'r')) != NULL) { | |
517 | if (strncmp(cp, "remote", 6) == 0) { | |
518 | if ((cp = index(cp, 'f')) == NULL) | |
519 | break; | |
520 | if (strncmp(cp, "from", 4) != 0) | |
521 | break; | |
522 | if ((cp = index(cp, ' ')) == NULL) | |
523 | break; | |
524 | cp++; | |
525 | if (first) { | |
828615a1 | 526 | strcpy(namebuf, cp); |
6447a23f KS |
527 | first = 0; |
528 | } else | |
529 | strcpy(rindex(namebuf, '!')+1, cp); | |
530 | strcat(namebuf, "!"); | |
531 | goto newname; | |
532 | } | |
533 | cp++; | |
534 | } | |
535 | return(savestr(namebuf)); | |
536 | } | |
537 | ||
8bcfa450 KS |
538 | /* |
539 | * Count the occurances of c in str | |
540 | */ | |
541 | charcount(str, c) | |
542 | char *str; | |
543 | { | |
544 | register char *cp; | |
545 | register int i; | |
546 | ||
547 | for (i = 0, cp = str; *cp; cp++) | |
548 | if (*cp == c) | |
549 | i++; | |
550 | return(i); | |
551 | } | |
552 | ||
6447a23f | 553 | /* |
828615a1 | 554 | * Are any of the characters in the two strings the same? |
6447a23f | 555 | */ |
828615a1 EW |
556 | anyof(s1, s2) |
557 | register char *s1, *s2; | |
6447a23f | 558 | { |
6447a23f | 559 | |
828615a1 EW |
560 | while (*s1) |
561 | if (index(s2, *s1++)) | |
562 | return 1; | |
563 | return 0; | |
6447a23f KS |
564 | } |
565 | ||
566 | /* | |
828615a1 | 567 | * Convert c to upper case |
6447a23f | 568 | */ |
828615a1 EW |
569 | raise(c) |
570 | register c; | |
571 | { | |
572 | ||
573 | if (islower(c)) | |
574 | return toupper(c); | |
575 | return c; | |
576 | } | |
577 | ||
578 | /* | |
579 | * Copy s1 to s2, return pointer to null in s2. | |
580 | */ | |
828615a1 EW |
581 | char * |
582 | copy(s1, s2) | |
6447a23f KS |
583 | register char *s1, *s2; |
584 | { | |
6447a23f | 585 | |
828615a1 EW |
586 | while (*s2++ = *s1++) |
587 | ; | |
588 | return s2 - 1; | |
589 | } | |
590 | ||
da0d3a6d KS |
591 | /* |
592 | * See if the given header field is supposed to be ignored. | |
593 | */ | |
887efe38 | 594 | isign(field, ignore) |
da0d3a6d | 595 | char *field; |
887efe38 | 596 | struct ignoretab ignore[2]; |
da0d3a6d KS |
597 | { |
598 | char realfld[BUFSIZ]; | |
da0d3a6d | 599 | |
2de8fc95 EW |
600 | if (ignore == ignoreall) |
601 | return 1; | |
46053c99 S |
602 | /* |
603 | * Lower-case the string, so that "Status" and "status" | |
604 | * will hash to the same place. | |
605 | */ | |
da0d3a6d | 606 | istrcpy(realfld, field); |
887efe38 EW |
607 | if (ignore[1].i_count > 0) |
608 | return (!member(realfld, ignore + 1)); | |
46053c99 S |
609 | else |
610 | return (member(realfld, ignore)); | |
611 | } | |
612 | ||
613 | member(realfield, table) | |
614 | register char *realfield; | |
887efe38 | 615 | struct ignoretab *table; |
46053c99 S |
616 | { |
617 | register struct ignore *igp; | |
618 | ||
887efe38 | 619 | for (igp = table->i_head[hash(realfield)]; igp != 0; igp = igp->i_link) |
828615a1 EW |
620 | if (*igp->i_field == *realfield && |
621 | equal(igp->i_field, realfield)) | |
46053c99 | 622 | return (1); |
46053c99 | 623 | return (0); |
da0d3a6d | 624 | } |