:orphan:

.. title:: CONFIG_NEWLIB_LIBC_MIN_REQUIRED_HEAP_SIZE

.. kconfig:: CONFIG_NEWLIB_LIBC_MIN_REQUIRED_HEAP_SIZE

CONFIG_NEWLIB_LIBC_MIN_REQUIRED_HEAP_SIZE
#########################################

*Newlib minimum required heap size*

Type: ``int``

Help
====

.. code-block:: none

    Specifies the amount of memory space that must be available for the
    newlib heap. An assertion failure message will be displayed during
    initialization if the memory space available for the newlib heap is
    smaller than this value.

Direct dependencies
===================

\ :kconfig:`NEWLIB_LIBC <CONFIG_NEWLIB_LIBC>`

*(Includes any dependencies from ifs and menus.)*

Defaults
========

- 2048 if \ :kconfig:`NEWLIB_LIBC_NANO <CONFIG_NEWLIB_LIBC_NANO>`
- 8192 if !\ :kconfig:`NEWLIB_LIBC_NANO <CONFIG_NEWLIB_LIBC_NANO>`

Kconfig definition
==================



At ``<Zephyr Library>/libc/Kconfig:77``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:43`` → ``<Zephyr Library>/Kconfig:4``

Menu path: (Top) → C Library

.. code-block:: kconfig

    config NEWLIB_LIBC_MIN_REQUIRED_HEAP_SIZE
    	int "Newlib minimum required heap size"
    	default 2048 if NEWLIB_LIBC_NANO
    	default 8192 if !NEWLIB_LIBC_NANO
    	depends on NEWLIB_LIBC
    	help
    	  Specifies the amount of memory space that must be available for the
    	  newlib heap. An assertion failure message will be displayed during
    	  initialization if the memory space available for the newlib heap is
    	  smaller than this value.

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*