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Implemented bucket memory structure for custom allocators

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This commit is contained in:
Kayne Ruse
2024-09-07 19:42:50 +10:00
parent 023cf9c8b5
commit 81417e7f32
13 changed files with 275 additions and 44 deletions
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32
source/toy_memory.h
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@@ -2,13 +2,45 @@
#include "toy_common.h"
//standard movable array for general use
#define TOY_GROW_CAPACITY(capacity) \
((capacity) < 8 ? 8 : (capacity) * 2)
#define TOY_ALLOCATE(type, count) \
(type*)Toy_reallocate(NULL, 0, sizeof(type)*(count))
#define TOY_FREE(type, pointer) \
(type*)Toy_reallocate(pointer, sizeof(type), 0)
#define TOY_GROW_ARRAY(type, pointer, oldSize, newSize) \
(type*)Toy_reallocate(pointer, sizeof(type)*oldSize, sizeof(type)*newSize)
#define TOY_SHRINK_ARRAY(type, pointer, oldCount, count) \
(type*)Toy_reallocate((type*)pointer, sizeof(type)*(oldCount), sizeof(type)*(count))
#define TOY_FREE_ARRAY(type, pointer, oldSize) \
(type*)Toy_reallocate(pointer, sizeof(type)*oldSize, 0)
TOY_API void* Toy_reallocate(void* pointer, size_t oldSize, size_t newSize);
//immobile "bucket" memory structure for custom allocators
typedef struct Toy_Bucket {
struct Toy_Bucket* next;
void* contents;
int capacity;
int count;
} Toy_Bucket;
TOY_API void Toy_initBucket(Toy_Bucket** bucketHandle, size_t capacity);
TOY_API void* Toy_partBucket(Toy_Bucket** bucketHandle, size_t space);
TOY_API void Toy_freeBucket(Toy_Bucket** bucketHandle);
#define TOY_BUCKET_INIT(type, bucket, capacity) \
Toy_initBucket(&(bucket), sizeof(type)*(capacity))
#define TOY_BUCKET_PART(type, bucket) \
Toy_partBucket(&(bucket), sizeof(type))
#define TOY_BUCKET_FREE(bucket) \
Toy_freeBucket(&(bucket))