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[Finsh] Stop push new history when current cmd is same as last cmd.

This commit is contained in:
armink 2017-10-13 10:21:40 +08:00
parent db88c0b6a2
commit c123451585
1 changed files with 23 additions and 14 deletions
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9
components/finsh/shell.c
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@ -371,6 +371,9 @@ static void shell_push_history(struct finsh_shell *shell)
{
/* push history */
if (shell->history_count >= FINSH_HISTORY_LINES)
{
/* if current cmd is same as last cmd, don't push */
if (memcmp(&shell->cmd_history[FINSH_HISTORY_LINES - 1], shell->line, shell->line_position))
{
/* move history */
int index;
@ -385,8 +388,13 @@ static void shell_push_history(struct finsh_shell *shell)
/* it's the maximum history */
shell->history_count = FINSH_HISTORY_LINES;
}
}
else
{
/* if current cmd is same as last cmd, don't push */
if (shell->history_count == 0 || memcmp(&shell->cmd_history[shell->history_count - 1], shell->line, shell->line_position))
{
shell->current_history = shell->history_count;
memset(&shell->cmd_history[shell->history_count][0], 0, FINSH_CMD_SIZE);
memcpy(&shell->cmd_history[shell->history_count][0], shell->line, shell->line_position);
@ -394,6 +402,7 @@ static void shell_push_history(struct finsh_shell *shell)
shell->history_count ++;
}
}
}
shell->current_history = shell->history_count;
}
#endif