* Sebastian Hammer, Adam Dickmeiss
*
* $Log: kcompare.c,v $
- * Revision 1.4 1995-09-08 14:52:27 adam
+ * Revision 1.10 1995-09-29 14:01:41 adam
+ * Bug fixes.
+ *
+ * Revision 1.9 1995/09/28 12:10:32 adam
+ * Bug fixes. Field prefix used in queries.
+ *
+ * Revision 1.8 1995/09/28 09:19:42 adam
+ * xfree/xmalloc used everywhere.
+ * Extract/retrieve method seems to work for text records.
+ *
+ * Revision 1.7 1995/09/27 12:22:28 adam
+ * More work on extract in record control.
+ * Field name is not in isam keys but in prefix in dictionary words.
+ *
+ * Revision 1.6 1995/09/14 07:48:23 adam
+ * Record control management.
+ *
+ * Revision 1.5 1995/09/11 13:09:34 adam
+ * More work on relevance feedback.
+ *
+ * Revision 1.4 1995/09/08 14:52:27 adam
* Minor changes. Dictionary is lower case now.
*
* Revision 1.3 1995/09/07 13:58:36 adam
#include "index.h"
+void key_logdump (int logmask, const void *p)
+{
+ struct it_key key;
+
+ memcpy (&key, p, sizeof(key));
+ logf (logmask, "%7d s=%-4d", key.sysno, key.seqno);
+}
+
int key_compare (const void *p1, const void *p2)
{
- struct it_key i1, i2;
- memcpy (&i1, p1, sizeof(i1));
- memcpy (&i2, p2, sizeof(i2));
- if (i1.sysno != i2.sysno)
+ const struct it_key *i1 = p1, *i2 = p2;
+ if (i1->sysno != i2->sysno)
{
- if (i1.sysno > i2.sysno)
+ if (i1->sysno > i2->sysno)
return 2;
else
return -2;
}
- if (i1.seqno != i2.seqno)
+#if IT_KEY_HAVE_SEQNO
+ if (i1->seqno != i2->seqno)
{
- if (i1.seqno > i2.seqno)
+ if (i1->seqno > i2->seqno)
return 1;
else
return -1;
}
-#if IT_KEY_HAVE_FIELD
- if (i1.field != i2.field)
+#else
+ if (i1->freq != i2->freq)
{
- if (i1.field > i2.field)
+ if (i1->freq > i2->freq)
return 1;
else
return -1;
return 0;
}
+int key_qsort_compare (const void *p1, const void *p2)
+{
+ int r;
+ size_t l;
+ char *cp1 = *(char **) p1;
+ char *cp2 = *(char **) p2;
+
+ if ((r = strcmp (cp1, cp2)))
+ return r;
+ l = strlen(cp1)+1;
+ if ((r = key_compare (cp1+l+1, cp2+l+1)))
+ return r;
+ return cp1[l] - cp2[l];
+}
+
int index_char_cvt (int c)
{
return tolower (c);
}
+
+int index_word_prefix (char *string, int attrSet, int attrUse)
+{
+ sprintf (string, "%c%04d", attrSet + '0', attrUse);
+ return 5;
+}