remote an unused buffer in mm_login() (issue #8038, selsky)

In passing, I have cleaned up some formatting to better comply with our
guidelines.  I have also changed one place to use S_OR(), and a couple of
places to use ast_strlen_zero() as appropriate.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@43754 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_voicemail.c

@@ -90,8 +90,8 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 
 #ifdef IMAP_STORAGE
 AST_MUTEX_DEFINE_STATIC(curhstusr_lock);
-static char *curhst = NIL;	/* currently connected host */
-static char *curusr = NIL;	/* current login user */
+static char *curhst = NULL;	/* currently connected host */
+static char *curusr = NULL;	/* current login user */
 
 static char temp[1024];
 
@@ -8178,7 +8178,6 @@ void mm_dlog(char *string)
 
 void mm_login(NETMBX * mb, char *user, char *pwd, long trial)
 {
-	char tmp[MAILTMPLEN];
 	if (option_debug > 3)
 		ast_log(LOG_DEBUG, "Entering callback mm_login\n");
 	ast_mutex_lock(&curhstusr_lock);
@@ -8186,22 +8185,13 @@ void mm_login(NETMBX * mb, char *user, char *pwd, long trial)
 		fs_give((void **) &curhst);
 	curhst = (char *) fs_get(1 + strlen(mb->host));
 	strcpy(curhst, mb->host);
-	if (*mb->user) {
-		strcpy (user, mb->user);
-		sprintf (tmp, "{%s/%s/user=\"%s\"} password: ", mb->host, mb->service, mb->user);
-	} else {
-		/* strcpy (tmp, "Password for jar: ");*/
-		strcpy(user,curusr);
-	}
-	if (curusr)
+	strcpy(user, S_OR(mb->user, curusr));
 	fs_give((void **) &curusr);
 	ast_mutex_unlock(&curhstusr_lock);
-	/* strcpy (pwd, getpass (tmp));*/
 	/* We should only do this when necessary */
-	if (strlen(authpassword) > 0) {
+	if (!ast_strlen_zero(authpassword))
 		strcpy(pwd, authpassword);
 }
-}
 
 
 void mm_critical(MAILSTREAM * stream)