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151/****************************************************************************
* fs/fs_heap.c
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <assert.h>
#include "fs_heap.h"
#if defined(CONFIG_FS_HEAPSIZE) && CONFIG_FS_HEAPSIZE > 0
/****************************************************************************
* Private Data
****************************************************************************/
static FAR struct mm_heap_s *g_fs_heap;
/****************************************************************************
* Public Functions
****************************************************************************/
void fs_heap_initialize(void)
{
struct mm_heap_config_s config;
#ifdef FS_HEAPBUF_SECTION
static uint8_t buf[CONFIG_FS_HEAPSIZE] locate_data(FS_HEAPBUF_SECTION);
#else
FAR void *buf = kmm_malloc(CONFIG_FS_HEAPSIZE);
#endif
DEBUGASSERT(buf != NULL);
memset(&config, 0, sizeof(config));
config.name = "heapfs";
config.start = buf;
config.size = CONFIG_FS_HEAPSIZE;
g_fs_heap = mm_initialize_pool(&config, NULL);
}
FAR void *fs_heap_zalloc(size_t size)
{
return mm_zalloc(g_fs_heap, size);
}
FAR void *fs_heap_malloc(size_t size)
{
return mm_malloc(g_fs_heap, size);
}
size_t fs_heap_malloc_size(FAR void *mem)
{
return mm_malloc_size(g_fs_heap, mem);
}
FAR void *fs_heap_realloc(FAR void *oldmem, size_t size)
{
return mm_realloc(g_fs_heap, oldmem, size);
}
FAR void *fs_heap_memalign(size_t alignment, size_t size)
{
return mm_memalign(g_fs_heap, alignment, size);
}
void fs_heap_free(FAR void *mem)
{
mm_free(g_fs_heap, mem);
}
FAR char *fs_heap_strdup(FAR const char *s)
{
size_t len = strlen(s) + 1;
FAR char *copy = fs_heap_malloc(len);
if (copy != NULL)
{
memcpy(copy, s, len);
}
return copy;
}
FAR char *fs_heap_strndup(FAR const char *s, size_t size)
{
size_t len = strnlen(s, size) + 1;
FAR char *copy = fs_heap_malloc(len);
if (copy != NULL)
{
memcpy(copy, s, len);
copy[len - 1] = '\0';
}
return copy;
}
int fs_heap_asprintf(FAR char **strp, FAR const char *fmt, ...)
{
va_list ap;
int len;
/* Calculates the length required to format the string */
va_start(ap, fmt);
len = vsnprintf(NULL, 0, fmt, ap);
va_end(ap);
if (len < 0)
{
*strp = NULL;
return len;
}
*strp = fs_heap_malloc(len + 1);
if (*strp == NULL)
{
return -ENOMEM;
}
va_start(ap, fmt);
vsnprintf(*strp, len + 1, fmt, ap);
va_end(ap);
return len;
}
struct mallinfo_task fs_heap_mallinfo_task(FAR const struct malltask *task)
{
return mm_mallinfo_task(g_fs_heap, task);
}
#endif