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* nscd/mem.c (gc): Correctly determine highest used array element

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in mark.
This commit is contained in:
Ulrich Drepper 2008-05-18 04:25:44 +00:00
parent 77d40f10ec
commit fa526148d6
2 changed files with 6 additions and 3 deletions
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3
ChangeLog
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@ -1,5 +1,8 @@
2008-05-17 Ulrich Drepper <drepper@redhat.com>
* nscd/mem.c (gc): Correctly determine highest used array element
in mark.
* nscd/mem.c (markrange): Add assert to check entries are all
aligned. Small cleanup in bitmap use.

6
nscd/mem.c
View File

@ -131,8 +131,8 @@ gc (struct database_dyn *db)
size_t stack_used = sizeof (bool) * db->head->module;
if (__builtin_expect (stack_used > MAX_STACK_USE, 0))
stack_used = 0;
size_t memory_needed = ((db->head->first_free / BLOCK_ALIGN + BITS - 1)
/ BITS) * sizeof (BITMAP_T);
size_t nmark = (db->head->first_free / BLOCK_ALIGN + BITS - 1) / BITS;
size_t memory_needed = nmark * sizeof (BITMAP_T);
if (stack_used + memory_needed <= MAX_STACK_USE)
{
mark = (BITMAP_T *) alloca (memory_needed);
@ -234,7 +234,7 @@ gc (struct database_dyn *db)
qsort (he, cnt, sizeof (struct hashentry *), sort_he);
/* Determine the highest used address. */
size_t high = sizeof (mark);
size_t high = nmark;
while (high > 0 && mark[high - 1] == 0)
--high;