Function yaml_buf_free

src/cli/config_yaml_edit.c:211–214

static int yaml_validate_utf8(const char *value, size_t len);

static void yaml_buf_free(yaml_buf_t *buf) {
    free(buf->data);
    memset(buf, 0, sizeof(*buf));
}

static int yaml_buf_reserve(yaml_buf_t *buf, size_t extra) {
    if (extra > YAML_OUTPUT_MAX || buf->len > YAML_OUTPUT_MAX - extra) {