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fixes array allocation bug and sets DEFAULT_ALIGNMENT to 1. probably needs testing

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This commit is contained in:
Ariel Manzur 2016-02-19 05:40:24 -03:00
parent c0e7155591
commit 0846ab6a5f
2 changed files with 5 additions and 5 deletions
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8
core/os/memory.h
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@ -308,11 +308,11 @@ T* memnew_arr_template(size_t p_elements,const char *p_descr="") {
same strategy used by std::vector, and the DVector class, so it should be safe.*/
size_t len = sizeof(T) * p_elements;
unsigned int *mem = (unsigned int*)Memory::alloc_static( len + DEFAULT_ALIGNMENT, p_descr );
unsigned int *mem = (unsigned int*)Memory::alloc_static( len + sizeof(size_t), p_descr );
T *failptr=0; //get rid of a warning
ERR_FAIL_COND_V( !mem, failptr );
*mem=p_elements;
mem = (unsigned int *)( ((uint8_t*)mem) + DEFAULT_ALIGNMENT);
mem = (unsigned int *)( ((uint8_t*)mem) + sizeof(size_t));
T* elems = (T*)mem;
/* call operator new */
@ -331,14 +331,14 @@ T* memnew_arr_template(size_t p_elements,const char *p_descr="") {
template<typename T>
size_t memarr_len(const T *p_class) {
uint8_t* ptr = ((uint8_t*)p_class) - DEFAULT_ALIGNMENT;
uint8_t* ptr = ((uint8_t*)p_class) - sizeof(size_t);
return *(size_t*)ptr;
}
template<typename T>
void memdelete_arr(T *p_class) {
unsigned int * elems = (unsigned int*)(((uint8_t*)p_class) - DEFAULT_ALIGNMENT);
unsigned int * elems = (unsigned int*)(((uint8_t*)p_class) - sizeof(size_t));
for (unsigned int i=0;i<*elems;i++) {

2
core/typedefs.h
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@ -74,7 +74,7 @@
#endif
#ifndef DEFAULT_ALIGNMENT
#define DEFAULT_ALIGNMENT 16
#define DEFAULT_ALIGNMENT 1
#endif