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shell: improved shell_prompt_change function

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Shell will store only pointer to the prompt string instead of
copying it to the RAM buffer. It will save RAM memory and
it will simplify implementation of a  new feature: "select"
command. When a command will be selected than shell will
display command syntax as a prompt.

Removed obsolete ASSERT check in a static function.

Signed-off-by: Jakub Rzeszutko <jakub.rzeszutko@nordicsemi.no>
This commit is contained in:
Jakub Rzeszutko 2019-02-08 15:37:40 +01:00 • committed by Anas Nashif
commit 090ef041e8
6 changed files with 22 additions and 35 deletions
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6
subsys/shell/Kconfig
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@ -37,12 +37,6 @@ config SHELL_BACKSPACE_MODE_DELETE
Some terminals send code: 0x08 (backspace) other 0x7F (delete). When
this option is set shell will expect 0x7F for backspace key.
config SHELL_PROMPT_LENGTH
int "Maximum prompt length"
default 16
help
Maximum length of prompt name in bytes.
config SHELL_CMD_BUFF_SIZE
int "Shell command buffer size"
default 256