projects
/
idzebra-moved-to-github.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
New result set model.
[idzebra-moved-to-github.git]
/
dict
/
insert.c
diff --git
a/dict/insert.c
b/dict/insert.c
index
ce41de7
..
db7fa69
100644
(file)
--- a/
dict/insert.c
+++ b/
dict/insert.c
@@
-1,10
+1,13
@@
/*
/*
- * Copyright (C) 1994-1996, Index Data I/S
+ * Copyright (C) 1994-1998, Index Data I/S
* All rights reserved.
* Sebastian Hammer, Adam Dickmeiss
*
* $Log: insert.c,v $
* All rights reserved.
* Sebastian Hammer, Adam Dickmeiss
*
* $Log: insert.c,v $
- * Revision 1.17 1996-05-14 15:49:09 adam
+ * Revision 1.18 1998-03-05 08:17:24 adam
+ * Added a few comments - no code changed.
+ *
+ * Revision 1.17 1996/05/14 15:49:09 adam
* Bug fix: In function split_page. In rare cases variable best_indxp was
* referenced.
*
* Bug fix: In function split_page. In rare cases variable best_indxp was
* referenced.
*
@@
-162,23
+165,22
@@
static int split_page (Dict dict, Dict_ptr ptr, void *p)
char *info, *info1;
int slen;
Dict_char dc;
char *info, *info1;
int slen;
Dict_char dc;
-
info = (char*) p + ((short*) p)[j];
/* entry start */
memcpy (&dc, info, sizeof(dc));
assert (dc == best_char);
info = (char*) p + ((short*) p)[j];
/* entry start */
memcpy (&dc, info, sizeof(dc));
assert (dc == best_char);
- slen = dict_strlen((Dict_char*) info);
+ slen = 1+dict_strlen((Dict_char*) info);
- assert (slen > 0);
- if (slen == 1)
+ assert (slen > 1);
+ if (slen == 2)
{
assert (!info_here);
{
assert (!info_here);
- info_here = info+(slen+1)*sizeof(Dict_char);
+ info_here = info+slen*sizeof(Dict_char);
}
else
{
}
else
{
- info1 = info+(1+slen)*sizeof(Dict_char); /* info start */
+ info1 = info+slen*sizeof(Dict_char); /* info start */
dict_ins (dict, (Dict_char*) (info+sizeof(Dict_char)),
subptr, *info1, info1+1);
dict_bf_readp (dict->dbf, ptr, &p);
dict_ins (dict, (Dict_char*) (info+sizeof(Dict_char)),
subptr, *info1, info1+1);
dict_bf_readp (dict->dbf, ptr, &p);
@@
-314,16
+316,19
@@
static int dict_ins (Dict dict, const Dict_char *str,
/* consider change of userinfo length... */
if (*info == userlen)
{
/* consider change of userinfo length... */
if (*info == userlen)
{
+ /* change of userinfo ? */
if (memcmp (info+1, userinfo, userlen))
{
dict_bf_touch (dict->dbf, ptr);
memcpy (info+1, userinfo, userlen);
return 1;
}
if (memcmp (info+1, userinfo, userlen))
{
dict_bf_touch (dict->dbf, ptr);
memcpy (info+1, userinfo, userlen);
return 1;
}
+ /* same userinfo */
return 2;
}
else if (*info > userlen)
{
return 2;
}
else if (*info > userlen)
{
+ /* room for new userinfo */
DICT_type(p) = 1;
*info = userlen;
dict_bf_touch (dict->dbf, ptr);
DICT_type(p) = 1;
*info = userlen;
dict_bf_touch (dict->dbf, ptr);
@@
-350,9
+355,9
@@
static int dict_ins (Dict dict, const Dict_char *str,
memcpy (&subptr, info, sizeof(Dict_ptr));
if (*++str == DICT_EOS)
{
memcpy (&subptr, info, sizeof(Dict_ptr));
if (*++str == DICT_EOS)
{
- int xlen;
-
- xlen = info[sizeof(Dict_ptr)+sizeof(Dict_char)];
+ /* finish of string. Store userinfo here... */
+
+ int xlen = info[sizeof(Dict_ptr)+sizeof(Dict_char)];
if (xlen == userlen)
{
if (memcmp (info+sizeof(Dict_ptr)+sizeof(Dict_char)+1,
if (xlen == userlen)
{
if (memcmp (info+sizeof(Dict_ptr)+sizeof(Dict_char)+1,
@@
-374,10
+379,12
@@
static int dict_ins (Dict dict, const Dict_char *str,
dict_bf_touch (dict->dbf, ptr);
return 1;
}
dict_bf_touch (dict->dbf, ptr);
return 1;
}
+ /* xlen < userlen, expanding needed ... */
if (DICT_size(p)+sizeof(Dict_char)+sizeof(Dict_ptr)+
userlen >=
DICT_pagesize(dict) - (1+DICT_nodir(p))*sizeof(short))
{
if (DICT_size(p)+sizeof(Dict_char)+sizeof(Dict_ptr)+
userlen >=
DICT_pagesize(dict) - (1+DICT_nodir(p))*sizeof(short))
{
+ /* not enough room - split needed ... */
if (DICT_type(p) == 1)
{
clean_page (dict, ptr, p, NULL, 0, NULL);
if (DICT_type(p) == 1)
{
clean_page (dict, ptr, p, NULL, 0, NULL);
@@
-392,7
+399,7
@@
static int dict_ins (Dict dict, const Dict_char *str,
return dict_ins (dict, str-1, ptr, userlen, userinfo);
}
else
return dict_ins (dict, str-1, ptr, userlen, userinfo);
}
else
- {
+ { /* enough room - no split needed ... */
info = (char*)p + DICT_size(p);
memcpy (info, &subptr, sizeof(subptr));
memcpy (info+sizeof(Dict_ptr), &dc, sizeof(Dict_char));
info = (char*)p + DICT_size(p);
memcpy (info, &subptr, sizeof(subptr));
memcpy (info+sizeof(Dict_ptr), &dc, sizeof(Dict_char));