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Avoid putting blank entries in history, allow linefeed for enter

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This commit is contained in:
Matt Ventura 2015-06-04 17:42:58 -07:00
parent c21439cb48
commit 63ed7516b4
1 changed files with 29 additions and 19 deletions
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48
Debug/cli/cli.c
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@ -149,31 +149,41 @@ void CLI_process()
// Check for control characters
switch ( CLILineBuffer[prev_buf_pos] )
{
case 0x0D: // Enter
// Enter
case 0x0A: // LF
case 0x0D: // CR
CLILineBuffer[CLILineBufferCurrent - 1] = ' '; // Replace Enter with a space (resolves a bug in args)
// Remove the space if there is no command
if ( CLILineBufferCurrent == 1 )
CLILineBufferCurrent--;
// Process the current line buffer
CLI_commandLookup();
// Add the command to the history
CLI_saveHistory( CLILineBuffer );
// Keep the array circular, discarding the older entries
if ( CLIHistoryTail < CLIHistoryHead )
CLIHistoryHead = ( CLIHistoryHead + 1 ) % CLIMaxHistorySize;
CLIHistoryTail++;
if ( CLIHistoryTail == CLIMaxHistorySize )
{
CLIHistoryTail = 0;
CLIHistoryHead = 1;
CLILineBufferCurrent--;
}
else
{
// Only do command-related stuff if there was actually a command
// Avoids clogging command history with blanks
CLIHistoryCurrent = CLIHistoryTail; // 'Up' starts at the last item
CLI_saveHistory( NULL ); // delete the old temp buffer
// Process the current line buffer
CLI_commandLookup();
// Add the command to the history
CLI_saveHistory( CLILineBuffer );
// Keep the array circular, discarding the older entries
if ( CLIHistoryTail < CLIHistoryHead )
CLIHistoryHead = ( CLIHistoryHead + 1 ) % CLIMaxHistorySize;
CLIHistoryTail++;
if ( CLIHistoryTail == CLIMaxHistorySize )
{
CLIHistoryTail = 0;
CLIHistoryHead = 1;
}
CLIHistoryCurrent = CLIHistoryTail; // 'Up' starts at the last item
CLI_saveHistory( NULL ); // delete the old temp buffer
}
// Reset the buffer
CLILineBufferCurrent = 0;
@ -199,7 +209,7 @@ void CLI_process()
case 0x1B: // Esc / Escape codes
// Check for other escape sequence
// \e[ is an escape code in vt100 compatable terminals
// \e[ is an escape code in vt100 compatible terminals
if ( CLILineBufferCurrent >= prev_buf_pos + 3
&& CLILineBuffer[ prev_buf_pos ] == 0x1B
&& CLILineBuffer[ prev_buf_pos + 1] == 0x5B )