flipperzero-firmware/core/api-basic/memmgr.c

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#include "memmgr.h"
#include <string.h>
extern void* pvPortMalloc(size_t xSize);
extern void vPortFree(void* pv);
extern size_t xPortGetFreeHeapSize(void);
extern size_t xPortGetMinimumEverFreeHeapSize(void);
void* malloc(size_t size) {
return pvPortMalloc(size);
}
void free(void* ptr) {
vPortFree(ptr);
}
void* realloc(void* ptr, size_t size) {
if(size == 0) {
vPortFree(ptr);
return NULL;
}
void* p;
p = pvPortMalloc(size);
if(p) {
// TODO implement secure realloc
// insecure, but will do job in our case
if(ptr != NULL) {
memcpy(p, ptr, size);
vPortFree(ptr);
}
}
return p;
}
void* calloc(size_t count, size_t size) {
void* ptr = pvPortMalloc(count * size);
if(ptr) {
// zero the memory
memset(ptr, 0, count * size);
}
return ptr;
}
size_t memmgr_get_free_heap(void) {
return xPortGetFreeHeapSize();
}
size_t memmgr_get_minimum_free_heap(void) {
return xPortGetMinimumEverFreeHeapSize();
}