toybchan/minimal-heap
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further cleanup 🗣

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toybchan
2026-06-08 09:32:44 +02:00
parent 32460dfc09
commit 6d864b3abd
1 changed files with 16 additions and 14 deletions
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30
minimal_heap.h
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@@ -1,5 +1,7 @@
#pragma once #pragma once
/* Version 1.0 */
#include <stddef.h> #include <stddef.h>
#include <stdint.h> #include <stdint.h>
#include <stdbool.h> #include <stdbool.h>
@@ -8,8 +10,22 @@
#define MIHP_HEAP_STRUCTURE_VALIDATION_TYPE_MAGIC_NUMBER 1 #define MIHP_HEAP_STRUCTURE_VALIDATION_TYPE_MAGIC_NUMBER 1
#define MIHP_HEAP_STRUCTURE_VALIDATION_TYPE_CHECKSUM 2 #define MIHP_HEAP_STRUCTURE_VALIDATION_TYPE_CHECKSUM 2
/* Defines to be configured by the library user */
#define MIHP_HEAP_STRUCTURE_VALIDATION_TYPE MIHP_HEAP_STRUCTURE_VALIDATION_TYPE_CHECKSUM #define MIHP_HEAP_STRUCTURE_VALIDATION_TYPE MIHP_HEAP_STRUCTURE_VALIDATION_TYPE_CHECKSUM
#define MIHP_ASSERT(Condition) while(1) { if (Condition) break; *(volatile char*)(0x0) = 0; }
#define MIHP_HEAP_LOCK_TYPE uint8_t // Does NOT have to be reentred safe
#define MIHP_LOCK_HEAP(LockVarPtr) { while (*(LockVarPtr)) {}; *(LockVarPtr) = true; }
#define MIHP_UNLOCK_HEAP(LockVarPtr) { *(LockVarPtr) = false; }
/* */
/* Hooks to be implemented by the library user */
void* MIHP_PlatformRequestMemory(size_t size); // Alignment must at least be alignment of size_t
bool MIHP_PlatformFreeMemory(void* ptr, size_t size);
void MIHP_PlatformOnHeapCorruptionDetected(struct _MIHP_HeapCorruptionInfo info);
/* */
#define MIHP_HEAP_CORRUPTION_TYPE_MEMORY_AREA_CHECKSUM_MISMATCH 0 #define MIHP_HEAP_CORRUPTION_TYPE_MEMORY_AREA_CHECKSUM_MISMATCH 0
#define MIHP_HEAP_CORRUPTION_TYPE_SEGMENT_CHECKSUM_MISMATCH 1 #define MIHP_HEAP_CORRUPTION_TYPE_SEGMENT_CHECKSUM_MISMATCH 1
#define MIHP_HEAP_CORRUPTION_TYPE_FRONT_CANARY_MISMATCH 2 #define MIHP_HEAP_CORRUPTION_TYPE_FRONT_CANARY_MISMATCH 2
@@ -76,20 +92,6 @@ typedef struct _MIHP_HeapCorruptionInfo
uint32_t ActualValue; uint32_t ActualValue;
} MIHP_HeapCorruptionInfo; } MIHP_HeapCorruptionInfo;
/* Hooks to be implemented by the library user */
void* MIHP_PlatformRequestMemory(size_t size); // Alignment must at least be alignment of size_t
bool MIHP_PlatformFreeMemory(void* ptr, size_t size);
void MIHP_PlatformOnHeapCorruptionDetected(MIHP_HeapCorruptionInfo info);
/* === */
/* Defines to be configured by the library user */
#define MIHP_ASSERT(Condition) while(1) { if (Condition) break; *(volatile char*)(0x0) = 0; }
#define MIHP_HEAP_LOCK_TYPE uint8_t // Does NOT have to be reentred safe
#define MIHP_LOCK_HEAP(LockVarPtr) { while (*(LockVarPtr)) {}; *(LockVarPtr) = true; }
#define MIHP_UNLOCK_HEAP(LockVarPtr) { *(LockVarPtr) = false; }
/* === */
typedef struct _MIHP_HeapInfo typedef struct _MIHP_HeapInfo
{ {
MIHP_HeapConfig Config; MIHP_HeapConfig Config;