92 lines
1.7 KiB
C
92 lines
1.7 KiB
C
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/*
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4coder_heap.h - Preversioning
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no warranty implied; use at your own risk
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This software is in the public domain. Where that dedication is not
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recognized, you are granted a perpetual, irrevocable license to copy,
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distribute, and modify this file as you see fit.
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*/
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// TOP
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#if !defined(FCODER_HEAP_H)
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#define FCODER_HEAP_H
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// 4tech_standard_preamble.h
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#if !defined(FTECH_INTEGERS)
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#define FTECH_INTEGERS
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#include <stdint.h>
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typedef int8_t i8_4tech;
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typedef int16_t i16_4tech;
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typedef int32_t i32_4tech;
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typedef int64_t i64_4tech;
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typedef uint8_t u8_4tech;
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typedef uint16_t u16_4tech;
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typedef uint32_t u32_4tech;
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typedef uint64_t u64_4tech;
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#if defined(FTECH_32_BIT)
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typedef u32_4tech umem_4tech;
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#else
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typedef u64_4tech umem_4tech;
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#endif
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typedef float f32_4tech;
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typedef double f64_4tech;
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typedef int8_t b8_4tech;
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typedef int32_t b32_4tech;
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#endif
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#if !defined(Assert)
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# define Assert(n) do{ if (!(n)) *(int*)0 = 0xA11E; }while(0)
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#endif
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#if !defined(Member)
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# define Member(T, m) (((T*)0)->m)
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#endif
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#if !defined(PtrDif)
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#define PtrDif(a,b) ((uint8_t*)(a) - (uint8_t*)(b))
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#endif
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#if !defined(PtrAsInt)
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#define PtrAsInt(a) PtrDif(a,0)
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#endif
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#if !defined(OffsetOfMember)
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#define OffsetOfMember(S,m) PtrAsInt(&Member(S,m))
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#endif
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#if !defined(CastFromMember)
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#define CastFromMember(S,m,ptr) (S*)( (uint8_t*)(ptr) - OffsetOfMember(S,m) )
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#endif
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// standard preamble end
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struct Heap_Basic_Node{
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Heap_Basic_Node *next;
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Heap_Basic_Node *prev;
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};
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struct Heap_Node{
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union{
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struct{
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Heap_Basic_Node order;
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Heap_Basic_Node alloc;
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i32_4tech size;
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};
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u8_4tech force_size__[64];
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};
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};
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struct Heap{
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Heap_Basic_Node in_order;
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Heap_Basic_Node free_nodes;
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};
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#endif
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// BOTTOM
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