35 lines
1 KiB
C
35 lines
1 KiB
C
#include "../page.h"
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#ifndef __FIXED_H
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#define __FIXED_H
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/**
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@todo rename fixed.h macros turn them into static inline functions.
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*/
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#define recordsize_ptr(page) stasis_page_int16_ptr_from_end((page), 1)
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#define recordsize_cptr(page) stasis_page_int16_cptr_from_end((page), 1)
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#define recordcount_ptr(page) stasis_page_int16_ptr_from_end((page), 2)
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#define fixed_record_ptr(page, n) stasis_page_byte_ptr_from_start((page), *recordsize_ptr((page)) * (n))
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static inline recordid fixedNext(int xid, Page *p, recordid rid) {
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short n = *recordcount_ptr(p);
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rid.slot++;
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rid.size = *recordsize_ptr(p);
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if(rid.slot >= n) {
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return NULLRID;
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} else {
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return rid;
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}
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}
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static inline recordid fixedFirst(int xid, Page *p) {
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recordid rid = { p->id, -1, 0 };
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rid.size = *recordsize_ptr(p);
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return fixedNext(xid, p, rid);
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}
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void fixedPageInit();
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void fixedPageDeinit();
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page_impl fixedImpl();
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page_impl arrayListImpl();
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// @todo move lsmTreeImpl() to lsmTree.h (but first, move page.h...)
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page_impl lsmRootImpl();
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#endif
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