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[Qemu-devel] [6842] monitor: Provide empty command as final history entr
From: |
Anthony Liguori |
Subject: |
[Qemu-devel] [6842] monitor: Provide empty command as final history entry (Jan Kiszka) |
Date: |
Fri, 13 Mar 2009 15:02:28 +0000 |
Revision: 6842
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6842
Author: aliguori
Date: 2009-03-13 15:02:28 +0000 (Fri, 13 Mar 2009)
Log Message:
-----------
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 <address@hidden>
Signed-off-by: Anthony Liguori <address@hidden>
Modified Paths:
--------------
trunk/readline.c
Modified: trunk/readline.c
===================================================================
--- trunk/readline.c 2009-03-13 15:02:23 UTC (rev 6841)
+++ trunk/readline.c 2009-03-13 15:02:28 UTC (rev 6842)
@@ -196,12 +196,14 @@
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);
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