* Sebastian Hammer, Adam Dickmeiss
*
* $Log: kcompare.c,v $
- * Revision 1.19 1996-12-11 12:08:00 adam
+ * Revision 1.20 1996-12-23 15:30:44 adam
+ * Work on truncation.
+ * Bug fix: result sets weren't deleted after server shut down.
+ *
+ * Revision 1.19 1996/12/11 12:08:00 adam
* Added better compression.
*
* Revision 1.18 1996/10/29 14:09:44 adam
logf (logmask, "%7d s=%-4d", key.sysno, key.seqno);
}
+int key_compare_it (const void *p1, const void *p2)
+{
+ if (((struct it_key *) p1)->sysno != ((struct it_key *) p2)->sysno)
+ {
+ if (((struct it_key *) p1)->sysno > ((struct it_key *) p2)->sysno)
+ return 2;
+ else
+ return -2;
+ }
+ if (((struct it_key *) p1)->seqno != ((struct it_key *) p2)->seqno)
+ {
+ if (((struct it_key *) p1)->seqno > ((struct it_key *) p2)->seqno)
+ return 1;
+ else
+ return -1;
+ }
+ return 0;
+}
+
int key_compare (const void *p1, const void *p2)
{
struct it_key i1, i2;
else
return -2;
}
-#if IT_KEY_HAVE_SEQNO
if (i1.seqno != i2.seqno)
{
if (i1.seqno > i2.seqno)
else
return -1;
}
-#else
- if (i1.freq != i2.freq)
- {
- if (i1.freq > i2.freq)
- return 1;
- else
- return -1;
- }
-#endif
return 0;
}
c = (c << 8) + *(*src)++;
return c;
}
-#if 1
+
static void iscz1_code_item (int mode, void *vp, char **dst, char **src)
{
struct iscz1_code_info *p = vp;
(*dst) += sizeof(struct it_key);
}
}
-#else
-static void iscz1_code_item (int mode, void *vp, char **dst, char **src)
-{
- struct iscz1_code_info *p = vp;
- struct it_key tkey;
- int d;
-
- if (mode == ISAMC_ENCODE)
- {
- memcpy (&tkey, *src, sizeof(struct it_key));
- d = tkey.sysno - p->key.sysno;
- iscz1_encode_int (d, dst);
- if (d)
- {
- p->key.sysno = tkey.sysno;
- p->key.seqno = 0;
- }
- iscz1_encode_int (tkey.seqno - p->key.seqno, dst);
- p->key.seqno = tkey.seqno;
- (*src) += sizeof(struct it_key);
- }
- else
- {
- d = iscz1_decode_int ((unsigned char **) src);
- if (d)
- {
- p->key.sysno += d;
- p->key.seqno = 0;
- }
- d = iscz1_decode_int ((unsigned char **) src);
- p->key.seqno += d;
- memcpy (*dst, &p->key, sizeof(struct it_key));
- (*dst) += sizeof(struct it_key);
- }
-}
-#endif
ISAMC_M key_isamc_m (void)
{