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realloc and different heap validation types

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toybchan
2026-06-08 09:28:33 +02:00
parent 36da9672d7
commit 32460dfc09
3 changed files with 128 additions and 27 deletions
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15
minimal_heap.h
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@@ -4,8 +4,11 @@
#include <stdint.h>
#include <stdbool.h>
#define MIHP_USE_HEAP_STRUCTURE_CHECKSUM_VALIDATION 1
#define MIHP_USE_CANARY_VALIDATION 1
#define MIHP_HEAP_STRUCTURE_VALIDATION_TYPE_NONE 0
#define MIHP_HEAP_STRUCTURE_VALIDATION_TYPE_MAGIC_NUMBER 1
#define MIHP_HEAP_STRUCTURE_VALIDATION_TYPE_CHECKSUM 2
#define MIHP_HEAP_STRUCTURE_VALIDATION_TYPE MIHP_HEAP_STRUCTURE_VALIDATION_TYPE_CHECKSUM
#define MIHP_HEAP_CORRUPTION_TYPE_MEMORY_AREA_CHECKSUM_MISMATCH 0
#define MIHP_HEAP_CORRUPTION_TYPE_SEGMENT_CHECKSUM_MISMATCH 1
@@ -80,13 +83,11 @@ void MIHP_PlatformOnHeapCorruptionDetected(MIHP_HeapCorruptionInfo info);
/* === */
/* Defines to be configured by the library user */
#define MIHP_MINIMAL_MEMORY_AREA_SIZE (4096 * 32)
#define MIHP_ASSERT(Condition) while(1) { if (Condition) break; *(volatile char*)(0x0) = 0; }
#define MIHP_HEAP_LOCK_TYPE uint8_t
#define MIHP_LOCK_HEAP(LockVariablePtr) {}
#define MIHP_UNLOCK_HEAP(LockVarialbePtr) {}
#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