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Removed partial pgsql List API copy

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git-svn-id: http://svn.osgeo.org/postgis/trunk@615 b70326c6-7e19-0410-871a-916f4a2858ee
This commit is contained in:
Sandro Santilli 2004-06-09 09:35:49 +00:00
parent 04154da283
commit ee3f0d2a95
1 changed files with 3 additions and 35 deletions
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38
postgis_estimate.c
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@ -11,6 +11,9 @@
*
**********************************************************************
* $Log$
* Revision 1.23 2004/06/09 09:35:49 strk
* Removed partial pgsql List API copy
*
* Revision 1.22 2004/06/08 17:49:14 strk
* Fixed to build cleanly agains pg75
*
@ -965,41 +968,6 @@ postgisgistcostestimate(PG_FUNCTION_ARGS)
#else // USE_VERSION >= 75
/*------------ COPIED AND ADAPTED FROM POSTGRESQL --------*/
/*
* Locate the n'th cell (counting from 0) of the list. It is an assertion
* error if there isn't one.
*/
static ListCell *
list_nth_cell(List *list, int n)
{
ListCell *match;
/* Does the caller actually mean to fetch the tail? */
if (n == list->length - 1)
return list->tail;
for (match = list->head; n-- > 0; match = match->next)
;
return match;
}
/*
* Return the data value contained in the n'th element of the
* specified list. (List elements begin at 0.)
*/
void *
list_nth(List *list, int n)
{
return lfirst(list_nth_cell(list, n));
}
/*------------ END COPIED AND ADAPTED FROM POSTGRESQL --------*/
/*
* This function should return an estimation of the number of
* rows returned by a query involving an overlap check