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fix cleanup of expand_clauses: make sure we have everything with NULL afterwards.

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git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1317 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
This commit is contained in:
vsc 2005-05-31 20:04:17 +00:00
parent 2ed1345611
commit d19cf8bef8
1 changed files with 22 additions and 5 deletions
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27
C/index.c
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@ -11,8 +11,12 @@
* File: index.c *
* comments: Indexing a Prolog predicate *
* *
* Last rev: $Date: 2005-05-31 19:42:27 $,$Author: vsc $ *
* Last rev: $Date: 2005-05-31 20:04:17 $,$Author: vsc $ *
* $Log: not supported by cvs2svn $
* Revision 1.131 2005/05/31 19:42:27 vsc
* insert some more slack for indices in LU
* Use doubly linked list for LU indices so that updating is less cumbersome.
*
* Revision 1.130 2005/05/31 04:46:06 vsc
* fix expand_index on tabled code.
*
@ -6537,11 +6541,17 @@ compacta_expand_clauses(yamop *ipc)
ptr = end = start+ipc->u.sp.s1;
while (--ptr > start) {
yamop *next = *ptr;
while (ptr > start) {
yamop *next = *--ptr;
if (next) *--end = next;
}
return ptr+1 != end;
if (ptr != end) {
while (end > start) {
*--end = NULL;
}
return TRUE;
}
return FALSE;
}
static int
@ -6559,7 +6569,14 @@ compactz_expand_clauses(yamop *ipc)
yamop *next = *ptr++;
if (next) *start++ = next;
}
return ptr != start;
/* reset empty slots at end */
if (start != end) {
while (start < end) {
*start++ = NULL;
}
return TRUE;
}
return FALSE;
}
/* this code should be called when we jumped to clauses */