error check on imap_stream.

git-svn-id: https://svn.code.sf.net/p/squirrelmail/code/trunk/squirrelmail@3995 7612ce4b-ef26-0410-bec9-ea0150e637f0

diff --git a/functions/imap_general.php b/functions/imap_general.php
index f658073f161d06c8e6c6f885328f8332e9286f5e..d085800da0325df1c04fb2759adee9198f261cff 100755 (executable)
--- a/functions/imap_general.php
+++ b/functions/imap_general.php
@@ -31,17 +31,41 @@ function sqimap_session_id($unique_id = false) {
  * This is to allow proper session number handling.
  */
 function sqimap_run_command_list ($imap_stream, $query, $handle_errors, &$response, &$message, $unique_id = false) {
-    $sid = sqimap_session_id($unique_id);
-    fputs ($imap_stream, $sid . ' ' . $query . "\r\n");
-    $read = sqimap_read_data_list ($imap_stream, $sid, $handle_errors, $response, $message, $query );
-    return $read;
+    if ($imap_stream) {
+       $sid = sqimap_session_id($unique_id);
+       fputs ($imap_stream, $sid . ' ' . $query . "\r\n");
+       $read = sqimap_read_data_list ($imap_stream, $sid, $handle_errors, $response, $message, $query );
+       return $read;
+    } else {
+        global $squirrelmail_language, $color;
+        set_up_language($squirrelmail_language);
+        require_once(SM_PATH . 'functions/display_messages.php');
+        $string = "<b><font color=$color[2]>\n" .
+                _("ERROR : No available imapstream.") .
+                "</b></font>\n";
+        error_box($string,$color);
+       return false;
+    }
+    
 }
 
 function sqimap_run_command ($imap_stream, $query, $handle_errors, &$response, &$message, $unique_id = false) {
-    $sid = sqimap_session_id($unique_id);
-    fputs ($imap_stream, $sid . ' ' . $query . "\r\n");
-    $read = sqimap_read_data ($imap_stream, $sid, $handle_errors, $response, $message, $query);
-    return $read;
+    if ($imap_stream) {
+        $sid = sqimap_session_id($unique_id);
+       fputs ($imap_stream, $sid . ' ' . $query . "\r\n");
+       $read = sqimap_read_data ($imap_stream, $sid, $handle_errors, $response, $message, $query);
+       return $read;
+    } else {
+        global $squirrelmail_language, $color;
+        set_up_language($squirrelmail_language);
+        require_once(SM_PATH . 'functions/display_messages.php');
+        $string = "<b><font color=$color[2]>\n" .
+                _("ERROR : No available imapstream.") .
+                "</b></font>\n";
+        error_box($string,$color);
+       return false;
+    }
+    
 }