dovecot-2.2: imap: fix missing-command check

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.2/rev/9f1e53489674
changeset: 17405:9f1e53489674
user:      Phil Carmody <phil at dovecot.fi>
date:      Tue May 27 21:17:34 2014 +0300
description:
imap: fix missing-command check
It's impossible for the command's pointer to be NULL at this point.
Previously, the command_find() would have returned NULL, but this check
presumably short-circuits that search in the trivial case, so has some
real use.

Signed-off-by: Phil Carmody <phil at dovecot.fi>

diffstat:

 src/imap/imap-client.c |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (14 lines):

diff -r b37e71093468 -r 9f1e53489674 src/imap/imap-client.c
--- a/src/imap/imap-client.c	Tue May 27 21:17:34 2014 +0300
+++ b/src/imap/imap-client.c	Tue May 27 21:17:34 2014 +0300
@@ -813,8 +813,8 @@
 
 	client->input_skip_line = TRUE;
 
-	if (cmd->name == '\0') {
-		/* command not given - cmd_func is already NULL. */
+	if (cmd->name[0] == '\0') {
+		/* command not given - cmd->func is already NULL. */
 	} else if ((command = command_find(cmd->name)) != NULL) {
 		cmd->func = command->func;
 		cmd->cmd_flags = command->flags;