rt-thread-official/components/libc/compilers/newlib/minilib.c

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/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-02-23 Meco Man first version
*/
#include <reent.h>
#include <rtthread.h>
#ifdef RT_USING_HEAP /* Memory routine */
void *
_malloc_r (struct _reent *ptr, size_t size)
{
void* result;
result = (void*)rt_malloc (size);
if (result == RT_NULL)
{
ptr->_errno = ENOMEM;
}
return result;
}
void *
_realloc_r (struct _reent *ptr, void *old, size_t newlen)
{
void* result;
result = (void*)rt_realloc (old, newlen);
if (result == RT_NULL)
{
ptr->_errno = ENOMEM;
}
return result;
}
void *_calloc_r (struct _reent *ptr, size_t size, size_t len)
{
void* result;
result = (void*)rt_calloc (size, len);
if (result == RT_NULL)
{
ptr->_errno = ENOMEM;
}
return result;
}
void
_free_r (struct _reent *ptr, void *addr)
{
rt_free (addr);
}
#else
void *
_sbrk_r(struct _reent *ptr, ptrdiff_t incr)
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{
return RT_NULL;
}
#endif /*RT_USING_HEAP*/