2 * Copyright (C) 1994-1995, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.9 1995-09-28 12:10:32 adam
8 * Bug fixes. Field prefix used in queries.
10 * Revision 1.8 1995/09/28 09:19:42 adam
11 * xfree/xmalloc used everywhere.
12 * Extract/retrieve method seems to work for text records.
14 * Revision 1.7 1995/09/27 12:22:28 adam
15 * More work on extract in record control.
16 * Field name is not in isam keys but in prefix in dictionary words.
18 * Revision 1.6 1995/09/14 07:48:23 adam
19 * Record control management.
21 * Revision 1.5 1995/09/11 13:09:34 adam
22 * More work on relevance feedback.
24 * Revision 1.4 1995/09/08 14:52:27 adam
25 * Minor changes. Dictionary is lower case now.
27 * Revision 1.3 1995/09/07 13:58:36 adam
28 * New parameter: result-set file descriptor (RSFD) to support multiple
29 * positions within the same result-set.
30 * Boolean operators: and, or, not implemented.
31 * Result-set references.
33 * Revision 1.2 1995/09/06 16:11:17 adam
34 * Option: only one word key per file.
36 * Revision 1.1 1995/09/04 09:10:36 adam
37 * More work on index add/del/update.
38 * Merge sort implemented.
39 * Initial work on z39 server.
51 void key_logdump (int logmask, const void *p)
55 memcpy (&key, p, sizeof(key));
56 logf (logmask, "%7d s=%-4d", key.sysno, key.seqno);
59 int key_compare (const void *p1, const void *p2)
61 const struct it_key *i1 = p1, *i2 = p2;
62 if (i1->sysno != i2->sysno)
64 if (i1->sysno > i2->sysno)
70 if (i1->seqno != i2->seqno)
72 if (i1->seqno > i2->seqno)
78 if (i1->freq != i2->freq)
80 if (i1->freq > i2->freq)
89 int index_char_cvt (int c)
94 int index_word_prefix (char *string, int attrSet, int attrUse)
96 sprintf (string, "%c%04d", attrSet + '0', attrUse);