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added new constant: INVALID_SIZE

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Sears Russell 2010-02-11 20:36:33 +00:00
parent fac5d2ff37
commit 1ff9afb753
2 changed files with 6 additions and 4 deletions
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8
src/stasis/page/slotted.c
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@ -266,7 +266,7 @@ static size_t slottedFreespaceForSlot(Page * page, int slot) {
static inline void slottedSanityCheck(Page * p, recordid rid) {
#ifdef SLOTTED_PAGE_OLD_CHECKS
assert(p->id == rid.page);
assert(rid.size < BLOB_THRESHOLD_SIZE); // Caller deals with this now!
assert(rid.size == INVALID_SIZE || rid.size < BLOB_THRESHOLD_SIZE); // Caller deals with this now!
slottedFsck(p);
#endif
}
@ -534,8 +534,10 @@ static void slottedSpliceSlot(int xid, Page *p, slotid_t a, slotid_t b) {
static void slottedFree(int xid, Page * p, recordid rid) {
slottedSanityCheck(p, rid);
if(*stasis_page_slotted_freespace_ptr(p) == *stasis_page_slotted_slot_ptr(p, rid.slot) + stasis_record_type_to_size(rid.size)) {
(*stasis_page_slotted_freespace_ptr(p)) -= stasis_record_type_to_size(rid.size);
ssize_t rec_size = stasis_record_type_to_size(*stasis_page_slotted_slot_length_ptr(p, rid.slot));
if(*stasis_page_slotted_freespace_ptr(p) == *stasis_page_slotted_slot_ptr(p, rid.slot) + rec_size) {
(*stasis_page_slotted_freespace_ptr(p)) -= rec_size;
}
assert(rid.slot < *stasis_page_slotted_numslots_ptr(p));

2
stasis/constants.h
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@ -180,7 +180,7 @@ terms specified in this license.
#define INVALID_XID (-1)
#define INVALID_LSN (-1)
#define INVALID_SIZE (-1)
/** This constant is used as a placeholder to mark slot locations that are invalid.
@see slotted.c, indirect.c
*/