97 lines
2.2 KiB
C
97 lines
2.2 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <string.h>
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#include <stdbool.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <errno.h>
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#include <sys/reent.h>
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#include <stdlib.h>
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#include "esp_attr.h"
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#include "freertos/FreeRTOS.h"
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#include "esp_heap_caps.h"
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/*
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These contain the business logic for the malloc() and realloc() implementation. Because of heap tracing
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wrapping reasons, we do not want these to be a public api, however, so they're not defined publicly.
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*/
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extern void *heap_caps_malloc_default( size_t size );
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extern void *heap_caps_realloc_default( void *ptr, size_t size );
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void* IRAM_ATTR _malloc_r(struct _reent *r, size_t size)
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{
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return heap_caps_malloc_default( size );
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}
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void IRAM_ATTR _free_r(struct _reent *r, void* ptr)
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{
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heap_caps_free( ptr );
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}
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void* IRAM_ATTR _realloc_r(struct _reent *r, void* ptr, size_t size)
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{
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return heap_caps_realloc_default( ptr, size );
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}
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void* IRAM_ATTR _calloc_r(struct _reent *r, size_t nmemb, size_t size)
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{
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void *result;
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size_t size_bytes;
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if (__builtin_mul_overflow(nmemb, size, &size_bytes)) {
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return NULL;
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}
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result = malloc(size_bytes);
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if (result != NULL) {
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bzero(result, size_bytes);
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}
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return result;
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}
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int _system_r(struct _reent *r, const char *str)
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{
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__errno_r(r) = ENOSYS;
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return -1;
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}
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void _raise_r(struct _reent *r)
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{
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abort();
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}
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void* _sbrk_r(struct _reent *r, ptrdiff_t sz)
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{
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abort();
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}
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int _getpid_r(struct _reent *r)
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{
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__errno_r(r) = ENOSYS;
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return -1;
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}
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int _kill_r(struct _reent *r, int pid, int sig)
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{
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__errno_r(r) = ENOSYS;
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return -1;
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}
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void _exit(int __status)
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{
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abort();
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}
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