Tee stderr to the log window

diff --git a/src/main.c b/src/main.c
index c117f71..91f8443 100644 (file)
--- a/src/main.c
+++ b/src/main.c
@@ -1319,6 +1319,39 @@ static void create_application_paths(gchar *argv[])
        g_free(path);
 }
 
+gboolean stderr_channel_cb(GIOChannel *source, GIOCondition condition, gpointer data)
+{
+       static GString *message_str = NULL;
+       gchar buf[10] = {0};
+       gsize count;
+
+       if (!message_str)
+               {
+               message_str = g_string_new(NULL);
+               }
+
+       g_io_channel_read_chars(source, buf, 1, &count, NULL);
+
+       if (count > 0)
+               {
+               if (buf[0] == '\n')
+                       {
+                       log_printf("%s", message_str->str);
+                       g_string_free(message_str, TRUE);
+                       message_str = NULL;
+                       }
+               else
+                       {
+                       message_str = g_string_append_c(message_str, buf[0]);
+                       }
+               return TRUE;
+               }
+       else
+               {
+               return FALSE;
+               }
+}
+
 gint main(gint argc, gchar *argv[])
 {
        CollectionData *first_collection = NULL;
@@ -1328,6 +1361,8 @@ gint main(gint argc, gchar *argv[])
        gboolean single_dir = TRUE;
        LayoutWindow *lw;
        GtkSettings *default_settings;
+       gint fd_stderr[2];
+       GIOChannel *stderr_channel;
 
 #ifdef HAVE_GTHREAD
 #if !GLIB_CHECK_VERSION(2,32,0)
@@ -1352,6 +1387,17 @@ gint main(gint argc, gchar *argv[])
        textdomain(PACKAGE);
 #endif
 
+       /* Tee stderr to log window */
+       if (pipe(fd_stderr) == 0)
+               {
+               if (dup2(fd_stderr[1], fileno(stderr)) != -1)
+                       {
+                       close(fd_stderr[1]);
+                       stderr_channel = g_io_channel_unix_new(fd_stderr[0]);
+                       g_io_add_watch(stderr_channel, G_IO_IN, (GIOFunc)stderr_channel_cb, NULL);
+                       }
+               }
+
        exif_init();
 
 #ifdef HAVE_LUA