Function cbm_ui_log_append

src/ui/http_server.c:392–404

Called from a log hook — appends a line to the ring buffer (thread-safe) */

/* Called from a log hook — appends a line to the ring buffer (thread-safe) */
void cbm_ui_log_append(const char *line) {
    if (!line)
        return;
    /* Ensure mutex is initialized (safe for early single-threaded logging
     * and concurrent calls via atomic_exchange once-init pattern). */
    cbm_ui_log_init();
    cbm_mutex_lock(&g_log_mutex);
    snprintf(g_log_ring[g_log_head], LOG_LINE_MAX, "%s", line);
    g_log_head = (g_log_head + 1) % LOG_RING_SIZE;
    if (g_log_count < LOG_RING_SIZE)
        g_log_count++;
    cbm_mutex_unlock(&g_log_mutex);
}

/* Append a printf-formatted fragment at *pos within a bufsz buffer, never
 * advancing *pos past bufsz. snprintf returns the length it WOULD have written,