Esempi in C++ (Cpp) per FLAC__memory_alloc_aligned

Esempio n. 1

File: memory.c Progetto: randi2kewl/ShoutOut

FLAC__bool FLAC__memory_alloc_aligned_real_array(unsigned elements, FLAC__real **unaligned_pointer, FLAC__real **aligned_pointer)
{
	FLAC__real *pu; /* unaligned pointer */
	union { /* union needed to comply with C99 pointer aliasing rules */
		FLAC__real *pa; /* aligned pointer */
		void       *pv; /* aligned pointer alias */
	} u;

	FLAC__ASSERT(elements > 0);
	FLAC__ASSERT(0 != unaligned_pointer);
	FLAC__ASSERT(0 != aligned_pointer);
	FLAC__ASSERT(unaligned_pointer != aligned_pointer);

	pu = (FLAC__real*)FLAC__memory_alloc_aligned(sizeof(*pu) * elements, &u.pv);
	if(0 == pu) {
		return false;
	}
	else {
		if(*unaligned_pointer != 0)
			free(*unaligned_pointer);
		*unaligned_pointer = pu;
		*aligned_pointer = u.pa;
		return true;
	}
}

Esempio n. 2

File: memory.c Progetto: Ilgrim/MAMEHub

FLAC__bool FLAC__memory_alloc_aligned_int32_array(unsigned elements, FLAC__int32 **unaligned_pointer, FLAC__int32 **aligned_pointer)
{
	FLAC__int32 *pu; /* unaligned pointer */
	union { /* union needed to comply with C99 pointer aliasing rules */
		FLAC__int32 *pa; /* aligned pointer */
		void        *pv; /* aligned pointer alias */
	} u;

	FLAC__ASSERT(elements > 0);
	FLAC__ASSERT(0 != unaligned_pointer);
	FLAC__ASSERT(0 != aligned_pointer);
	FLAC__ASSERT(unaligned_pointer != aligned_pointer);

//  if((size_t)elements > SIZE_MAX / sizeof(*pu)) /* overflow check */
//      return false;

	pu = (FLAC__int32*)FLAC__memory_alloc_aligned(sizeof(*pu) * (size_t)elements, &u.pv);
	if(0 == pu) {
		return false;
	}
	else {
		if(*unaligned_pointer != 0)
			free(*unaligned_pointer);
		*unaligned_pointer = pu;
		*aligned_pointer = u.pa;
		return true;
	}
}

Esempio n. 3

File: memory.c Progetto: ErisBlastar/osfree

FLAC__bool FLAC__memory_alloc_aligned_uint64_array(unsigned elements, FLAC__uint64 **unaligned_pointer, FLAC__uint64 **aligned_pointer)
{
	FLAC__uint64 *pa, *pu; /* aligned pointer, unaligned pointer */

	FLAC__ASSERT(elements > 0);
	FLAC__ASSERT(0 != unaligned_pointer);
	FLAC__ASSERT(0 != aligned_pointer);
	FLAC__ASSERT(unaligned_pointer != aligned_pointer);

	pu = (FLAC__uint64*)FLAC__memory_alloc_aligned(sizeof(FLAC__uint64) * elements, (void*)&pa);
	if(0 == pu) {
		return false;
	}
	else {
		if(*unaligned_pointer != 0)
			free(*unaligned_pointer);
		*unaligned_pointer = pu;
		*aligned_pointer = pa;
		return true;
	}
}