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authoraliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162>2009-03-13 15:02:28 +0000
committeraliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162>2009-03-13 15:02:28 +0000
commit5b0d272717ac6a1a2bc382f591a6a0a30ee52774 (patch)
tree979fd42ed43c727dd3843b63acf20e14601171f4 /readline.c
parentAdd and use remaining #defines for PCI device IDs (Stuart Brady) (diff)
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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
Diffstat (limited to 'readline.c')
-rw-r--r--readline.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/readline.c b/readline.c
index 9c4b68b53..9c500f1fe 100644
--- a/readline.c
+++ b/readline.c
@@ -196,12 +196,14 @@ static void readline_up_char(ReadLineState *rs)
static void readline_down_char(ReadLineState *rs)
{
- if (rs->hist_entry == READLINE_MAX_CMDS - 1 || rs->hist_entry == -1)
- return;
- if (rs->history[++rs->hist_entry] != NULL) {
+ if (rs->hist_entry == -1)
+ return;
+ if (rs->hist_entry < READLINE_MAX_CMDS - 1 &&
+ rs->history[++rs->hist_entry] != NULL) {
pstrcpy(rs->cmd_buf, sizeof(rs->cmd_buf),
rs->history[rs->hist_entry]);
} else {
+ rs->cmd_buf[0] = 0;
rs->hist_entry = -1;
}
rs->cmd_buf_index = rs->cmd_buf_size = strlen(rs->cmd_buf);