gwj / at91sam9263 · Commits

Commit 5b0d272717ac6a1a2bc382f591a6a0a30ee52774

Authored by aliguori
1 parent a770dc7e

monitor: Provide empty command as final history entry (Jan Kiszka) 

Provide an empty line as last entry in command line history, just like
bash e.g. does.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6842 c046a42c-6fe2-441c-8c8c-71466251a162
Inline Side-by-side
Showing 1 changed file with 5 additions and 3 deletions
readline.c
  View file @5b0d272
... ... @@ -196,12 +196,14 @@ static void readline_up_char(ReadLineState *rs)
196 196  
197 197 static void readline_down_char(ReadLineState *rs)
198 198 {
199   - if (rs->hist_entry == READLINE_MAX_CMDS - 1 || rs->hist_entry == -1)
200   - return;
201   - if (rs->history[++rs->hist_entry] != NULL) {
  199 + if (rs->hist_entry == -1)
  200 + return;
  201 + if (rs->hist_entry < READLINE_MAX_CMDS - 1 &&
  202 + rs->history[++rs->hist_entry] != NULL) {
202 203 pstrcpy(rs->cmd_buf, sizeof(rs->cmd_buf),
203 204 rs->history[rs->hist_entry]);
204 205 } else {
  206 + rs->cmd_buf[0] = 0;
205 207 rs->hist_entry = -1;
206 208 }
207 209 rs->cmd_buf_index = rs->cmd_buf_size = strlen(rs->cmd_buf);
... ...