// Copyright 2020 Google LLC

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

//      http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.

#include <cairo.h>

#include "fuzzer_temp_file.h"

int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {

    cairo_surface_t *image;

    cairo_surface_t *surface;

    cairo_status_t status;

    cairo_format_t format;

    char *tmpfile = fuzzer_get_tmpfile(data, size);

    image = cairo_image_surface_create_from_png(tmpfile);

    status = cairo_surface_status (image);

    if (status != CAIRO_STATUS_SUCCESS) {

        fuzzer_release_tmpfile(tmpfile);

        return 0;

    }

    format = cairo_image_surface_get_format(image);

    surface = cairo_image_surface_create_for_data((unsigned char*)data, format, 1, 1, size);

    status = cairo_surface_status (surface);

    if (status != CAIRO_STATUS_SUCCESS) {

        cairo_surface_destroy(image);

        fuzzer_release_tmpfile(tmpfile);

        return 0;

    }

    cairo_surface_write_to_png(surface, tmpfile);

    cairo_surface_destroy(surface);

    cairo_surface_destroy(image);

    fuzzer_release_tmpfile(tmpfile);

    return 0;

}