:orphan:

.. title:: CONFIG_MINIMAL_LIBC_OPTIMIZE_STRING_FOR_SIZE

.. kconfig:: CONFIG_MINIMAL_LIBC_OPTIMIZE_STRING_FOR_SIZE

CONFIG_MINIMAL_LIBC_OPTIMIZE_STRING_FOR_SIZE
############################################

*Use size optimized string functions*

Type: ``bool``

Help
====

.. code-block:: none

    Enable smaller but potentially slower implementations of memcpy and
    memset. On the Cortex-M0+ this reduces the total code size by 120 bytes.

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

\ :kconfig:`SOC_ESP32C3 <CONFIG_SOC_ESP32C3>` || \ :kconfig:`SOC_ESP32 <CONFIG_SOC_ESP32>` || \ :kconfig:`SOC_ESP32S2 <CONFIG_SOC_ESP32S2>` || \ :kconfig:`SOC_ESP32C3 <CONFIG_SOC_ESP32C3>` || \ :kconfig:`SOC_ESP32 <CONFIG_SOC_ESP32>` || \ :kconfig:`SOC_ESP32S2 <CONFIG_SOC_ESP32S2>` || \ :kconfig:`MINIMAL_LIBC <CONFIG_MINIMAL_LIBC>`

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

Defaults
========

- n
- n
- n
- n
- n
- n
- y if \ :kconfig:`SIZE_OPTIMIZATIONS <CONFIG_SIZE_OPTIMIZATIONS>`

Kconfig definitions
===================



At ``<Zephyr SoC>/riscv/esp32c3/Kconfig.defconfig:35``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:25`` → ``<BuildDir>/kconfig/Kconfig.soc.defconfig:1``

Menu path: (Top)

.. code-block:: kconfig

    config MINIMAL_LIBC_OPTIMIZE_STRING_FOR_SIZE
    	bool
    	default n
    	depends on SOC_ESP32C3

----

At ``<Zephyr SoC>/xtensa/esp32/Kconfig.defconfig:17``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:25`` → ``<BuildDir>/kconfig/Kconfig.soc.defconfig:1``

Menu path: (Top)

.. code-block:: kconfig

    config MINIMAL_LIBC_OPTIMIZE_STRING_FOR_SIZE
    	bool
    	default n
    	depends on SOC_ESP32

----

At ``<Zephyr SoC>/xtensa/esp32s2/Kconfig.defconfig:32``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:25`` → ``<BuildDir>/kconfig/Kconfig.soc.defconfig:1``

Menu path: (Top)

.. code-block:: kconfig

    config MINIMAL_LIBC_OPTIMIZE_STRING_FOR_SIZE
    	bool
    	default n
    	depends on SOC_ESP32S2

----

At ``<Zephyr SoC>/riscv/esp32c3/Kconfig.defconfig:35``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:27``

Menu path: (Top)

.. code-block:: kconfig

    config MINIMAL_LIBC_OPTIMIZE_STRING_FOR_SIZE
    	bool
    	default n
    	depends on SOC_ESP32C3

----

At ``<Zephyr SoC>/xtensa/esp32/Kconfig.defconfig:17``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:27``

Menu path: (Top)

.. code-block:: kconfig

    config MINIMAL_LIBC_OPTIMIZE_STRING_FOR_SIZE
    	bool
    	default n
    	depends on SOC_ESP32

----

At ``<Zephyr SoC>/xtensa/esp32s2/Kconfig.defconfig:32``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:27``

Menu path: (Top)

.. code-block:: kconfig

    config MINIMAL_LIBC_OPTIMIZE_STRING_FOR_SIZE
    	bool
    	default n
    	depends on SOC_ESP32S2

----

At ``<Zephyr Library>/libc/Kconfig:153``

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

Menu path: (Top) → C Library

.. code-block:: kconfig

    config MINIMAL_LIBC_OPTIMIZE_STRING_FOR_SIZE
    	bool "Use size optimized string functions"
    	default y if SIZE_OPTIMIZATIONS
    	depends on MINIMAL_LIBC
    	help
    	  Enable smaller but potentially slower implementations of memcpy and
    	  memset. On the Cortex-M0+ this reduces the total code size by 120 bytes.

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