2 * Copyright (C) 1994-1995, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.8 1995-09-28 09:19:42 adam
8 * xfree/xmalloc used everywhere.
9 * Extract/retrieve method seems to work for text records.
11 * Revision 1.7 1995/09/27 12:22:28 adam
12 * More work on extract in record control.
13 * Field name is not in isam keys but in prefix in dictionary words.
15 * Revision 1.6 1995/09/14 07:48:23 adam
16 * Record control management.
18 * Revision 1.5 1995/09/11 13:09:34 adam
19 * More work on relevance feedback.
21 * Revision 1.4 1995/09/08 14:52:27 adam
22 * Minor changes. Dictionary is lower case now.
24 * Revision 1.3 1995/09/07 13:58:36 adam
25 * New parameter: result-set file descriptor (RSFD) to support multiple
26 * positions within the same result-set.
27 * Boolean operators: and, or, not implemented.
28 * Result-set references.
30 * Revision 1.2 1995/09/06 16:11:17 adam
31 * Option: only one word key per file.
33 * Revision 1.1 1995/09/04 09:10:36 adam
34 * More work on index add/del/update.
35 * Merge sort implemented.
36 * Initial work on z39 server.
48 void key_logdump (int logmask, const void *p)
52 memcpy (&key, p, sizeof(key));
53 logf (logmask, "%7d s=%-4d", key.sysno, key.seqno);
56 int key_compare (const void *p1, const void *p2)
58 const struct it_key *i1 = p1, *i2 = p2;
59 if (i1->sysno != i2->sysno)
61 if (i1->sysno > i2->sysno)
67 if (i1->seqno != i2->seqno)
69 if (i1->seqno > i2->seqno)
75 if (i1->freq != i2->freq)
77 if (i1->freq > i2->freq)
86 int index_char_cvt (int c)