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cli: Create a function to process characters

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Move most of the inner loop from cread_line() into a new function. This
will allow using it from other code.

This involves adding a few more members to the state struct.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2023-10-01 19:13:13 -06:00
committed by Tom Rini
parent 8d997aab6e
commit e5509ce87b
2 changed files with 78 additions and 45 deletions
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15
include/cli.h
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@@ -31,11 +31,16 @@ struct cli_ch_state {
* @num: Current cursor position, where 0 is the start
* @eol_num: Number of characters in the buffer
* @insert: true if in 'insert' mode
* @buf: Buffer containing line
* @prompt: Prompt for the line
*/
struct cli_line_state {
uint num;
uint eol_num;
uint len;
bool insert;
char *buf;
const char *prompt;
};
/**
@@ -243,6 +248,16 @@ void cli_ch_init(struct cli_ch_state *cch);
*/
int cli_ch_process(struct cli_ch_state *cch, int ichar);
/**
* cread_line_process_ch() - Process a character for line input
*
* @cls: CLI line state
* @ichar: Character to process
* Return: 0 if input is complete, with line in cls->buf, -EINTR if input was
* cancelled with Ctrl-C, -EAGAIN if more characters are needed
*/
int cread_line_process_ch(struct cli_line_state *cls, char ichar);
/** cread_print_hist_list() - Print the command-line history list */
void cread_print_hist_list(void);