Function read_log

gtk/src/queuehandler.c:840–882

#define ACTIVITY_MAX_READ_SZ (1024*1024)
static void read_log (signal_user_data_t * ud, const char * log_path)
{
    FILE        * f;
    size_t        size, req_size;
    GtkTextIter   iter;
    char        * buf;

    if (ud->extra_activity_path != NULL &&
        !strcmp(ud->extra_activity_path, log_path))
    {
        return;
    }
    g_free(ud->extra_activity_path);
    ud->extra_activity_path = g_strdup(log_path);

    gtk_text_buffer_set_text(ud->extra_activity_buffer, "", 0);

    f = g_fopen(log_path, "r");
    if (f == NULL)
    {
        return;
    }
    fseek(f, 0, SEEK_END);
    req_size = ftell(f);
    fseek(f, 0, SEEK_SET);
    if (req_size > ACTIVITY_MAX_READ_SZ)
    {
        req_size = ACTIVITY_MAX_READ_SZ;
    }
    buf = g_malloc(req_size);
    while (!feof(f))
    {
        size = fread(buf, 1, req_size, f);
        if (size <= 0)
        {
            break;
        }
        gtk_text_buffer_get_end_iter(ud->extra_activity_buffer, &iter);
        gtk_text_buffer_insert(ud->extra_activity_buffer, &iter, buf, size);
    }
    fclose(f);
    g_free(buf);
}

// Display/Hide queue activity log pane
// Choose buffer to display. Queue logs use 1 of 2 available buffers