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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
*/
#include <config.h>
#include <LongBow/runtime.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <stdio.h>
#include <stdint.h>
#include <stdbool.h>
#include <parc/algol/parc_Memory.h>
#include <parc/algol/parc_SafeMemory.h>
#include <parc/algol/parc_StdlibMemory.h>
static const PARCMemoryInterface *parcMemory = &PARCStdlibMemoryAsPARCMemory;
const PARCMemoryInterface *
parcMemory_SetInterface(const PARCMemoryInterface *memoryProvider)
{
assertFalse(memoryProvider == &PARCMemoryAsPARCMemory,
"You cannot use PARCMemoryAsPARCMemory as a memory provider for parcMemory.");
const PARCMemoryInterface *result = parcMemory;
parcMemory = memoryProvider;
return result;
}
size_t
parcMemory_RoundUpToCacheLine(const size_t size)
{
return parcMemory_RoundUpToMultiple(size, LEVEL1_DCACHE_LINESIZE);
}
size_t
parcMemory_RoundUpToMultiple(const size_t size, const size_t multiple)
{
if (size == 0) {
return multiple;
}
if (multiple == 0) {
return size;
}
size_t remainder = size % multiple;
if (remainder == 0) {
return size;
}
return size + multiple - remainder;
}
void *
parcMemory_Allocate(const size_t size)
{
return ((PARCMemoryAllocate *) parcMemory->Allocate)(size);
}
void *
parcMemory_AllocateAndClear(const size_t size)
{
return ((PARCMemoryAllocateAndClear *) parcMemory->AllocateAndClear)(size);
}
int
parcMemory_MemAlign(void **pointer, const size_t alignment, const size_t size)
{
return ((PARCMemoryMemAlign *) parcMemory->MemAlign)(pointer, alignment, size);
}
void
parcMemory_DeallocateImpl(void **pointer)
{
((PARCMemoryDeallocate *) parcMemory->Deallocate)(pointer);
}
void *
parcMemory_Reallocate(void *pointer, size_t newSize)
{
return ((PARCMemoryReallocate *) parcMemory->Reallocate)(pointer, newSize);
}
char *
parcMemory_StringDuplicate(const char *string, const size_t length)
{
return ((PARCMemoryStringDuplicate *) parcMemory->StringDuplicate)(string, length);
}
uint32_t
parcMemory_Outstanding(void)
{
return ((PARCMemoryOutstanding *) parcMemory->Outstanding)();
}
char *
parcMemory_Format(const char *format, ...)
{
va_list ap;
va_start(ap, format);
va_list copy;
va_copy(copy, ap);
int length = vsnprintf(NULL, 0, format, copy);
va_end(copy);
char *result = NULL;
if (length >= 0) {
result = parcMemory_Allocate(length + 1);
if (result != NULL) {
vsprintf(result, format, ap);
}
}
return result;
}
PARCMemoryInterface PARCMemoryAsPARCMemory = {
.Allocate = (uintptr_t) parcMemory_Allocate,
.AllocateAndClear = (uintptr_t) parcMemory_AllocateAndClear,
.MemAlign = (uintptr_t) parcMemory_MemAlign,
.Deallocate = (uintptr_t) parcMemory_DeallocateImpl,
.Reallocate = (uintptr_t) parcMemory_Reallocate,
.StringDuplicate = (uintptr_t) parcMemory_StringDuplicate,
.Outstanding = (uintptr_t) parcMemory_Outstanding
};
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