eed4296890
* Furi HAL: memory protection unit * Core: prohibit NULL dereferencing, even for reads. * Applications: fix NULL dereference * Core: stack protection by MPU * MPU: stack region alignment * Apps: fix null pointer dereferences * Threads: fix non-null arg check * Desktop settings: fix null pointer dereference * Core: documented null-check hack * Fix null dereference issues * Apps: args check * Core: naming fixes * format code * Core: remove NONNULL specifier * FurHal: move MPU initialization to begining, fix enum naming Co-authored-by: あく <alleteam@gmail.com>
80 lines
1.6 KiB
C
80 lines
1.6 KiB
C
#include "memmgr.h"
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#include "common_defines.h"
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#include <string.h>
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extern void* pvPortMalloc(size_t xSize);
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extern void vPortFree(void* pv);
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extern size_t xPortGetFreeHeapSize(void);
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extern size_t xPortGetTotalHeapSize(void);
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extern size_t xPortGetMinimumEverFreeHeapSize(void);
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void* malloc(size_t size) {
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return pvPortMalloc(size);
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}
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void free(void* ptr) {
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vPortFree(ptr);
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}
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void* realloc(void* ptr, size_t size) {
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if(size == 0) {
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vPortFree(ptr);
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return NULL;
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}
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void* p = pvPortMalloc(size);
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if(ptr != NULL) {
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memcpy(p, ptr, size);
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vPortFree(ptr);
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}
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return p;
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}
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void* calloc(size_t count, size_t size) {
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return pvPortMalloc(count * size);
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}
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char* strdup(const char* s) {
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// arg s marked as non-null, so we need hack to check for NULL
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furi_check(((uint32_t)s << 2) != 0);
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size_t siz = strlen(s) + 1;
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char* y = pvPortMalloc(siz);
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memcpy(y, s, siz);
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return y;
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}
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size_t memmgr_get_free_heap(void) {
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return xPortGetFreeHeapSize();
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}
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size_t memmgr_get_total_heap(void) {
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return xPortGetTotalHeapSize();
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}
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size_t memmgr_get_minimum_free_heap(void) {
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return xPortGetMinimumEverFreeHeapSize();
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}
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void* __wrap__malloc_r(struct _reent* r, size_t size) {
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UNUSED(r);
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return pvPortMalloc(size);
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}
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void __wrap__free_r(struct _reent* r, void* ptr) {
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UNUSED(r);
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vPortFree(ptr);
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}
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void* __wrap__calloc_r(struct _reent* r, size_t count, size_t size) {
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UNUSED(r);
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return calloc(count, size);
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}
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void* __wrap__realloc_r(struct _reent* r, void* ptr, size_t size) {
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UNUSED(r);
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return realloc(ptr, size);
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}
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