Commit 83c95f51 authored by Urvang Joshi's avatar Urvang Joshi

aom_mem: Refactor code

Change-Id: I2da9cd5da48ae97e770bccfd1233bcc70b484688
parent 19043795
......@@ -18,35 +18,42 @@
#include "include/aom_mem_intrnl.h"
#include "aom/aom_integer.h"
void *aom_memalign(size_t align, size_t size) {
void *addr, *x = NULL;
static inline size_t *GetMallocAddressLocation(const void *const mem) {
return ((size_t *)mem) - 1;
}
static inline void SetActualMallocAddress(void *const mem,
const void *const malloc_addr) {
size_t *const malloc_addr_location = GetMallocAddressLocation(mem);
*malloc_addr_location = (size_t)malloc_addr;
}
addr = malloc(size + align - 1 + ADDRESS_STORAGE_SIZE);
static inline void *GetActualMallocAddress(const void *const mem) {
const size_t *const malloc_addr_location = GetMallocAddressLocation(mem);
return (void *)(*malloc_addr_location);
}
void *aom_memalign(size_t align, size_t size) {
void *x = NULL;
void *const addr = malloc(size + align - 1 + ADDRESS_STORAGE_SIZE);
if (addr) {
x = align_addr((unsigned char *)addr + ADDRESS_STORAGE_SIZE, (int)align);
/* save the actual malloc address */
((size_t *)x)[-1] = (size_t)addr;
SetActualMallocAddress(x, addr);
}
return x;
}
void *aom_malloc(size_t size) { return aom_memalign(DEFAULT_ALIGNMENT, size); }
void *aom_calloc(size_t num, size_t size) {
void *x;
x = aom_memalign(DEFAULT_ALIGNMENT, num * size);
if (x) memset(x, 0, num * size);
const size_t total_size = num * size;
void *const x = aom_malloc(total_size);
if (x) memset(x, 0, total_size);
return x;
}
void *aom_realloc(void *memblk, size_t size) {
void *addr, *new_addr = NULL;
int align = DEFAULT_ALIGNMENT;
void *new_addr = NULL;
/*
The realloc() function changes the size of the object pointed to by
......@@ -61,19 +68,13 @@ void *aom_realloc(void *memblk, size_t size) {
else if (!size)
aom_free(memblk);
else {
addr = (void *)(((size_t *)memblk)[-1]);
void *addr = GetActualMallocAddress(memblk);
memblk = NULL;
new_addr = realloc(addr, size + align + ADDRESS_STORAGE_SIZE);
if (new_addr) {
addr = new_addr;
new_addr =
(void *)(((size_t)((unsigned char *)new_addr + ADDRESS_STORAGE_SIZE) +
(align - 1)) &
(size_t)-align);
/* save the actual malloc address */
((size_t *)new_addr)[-1] = (size_t)addr;
addr = realloc(addr, size + DEFAULT_ALIGNMENT + ADDRESS_STORAGE_SIZE);
if (addr) {
new_addr = align_addr((unsigned char *)addr + ADDRESS_STORAGE_SIZE,
DEFAULT_ALIGNMENT);
SetActualMallocAddress(new_addr, addr);
}
}
......@@ -82,7 +83,7 @@ void *aom_realloc(void *memblk, size_t size) {
void aom_free(void *memblk) {
if (memblk) {
void *addr = (void *)(((size_t *)memblk)[-1]);
void *addr = GetActualMallocAddress(memblk);
free(addr);
}
}
......
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