1 // Copyright 2020 Google LLC
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //      http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #include <stdint.h>
16 #include <gdk-pixbuf/gdk-pixbuf.h>
17 
18 #include "fuzzer_temp_file.h"
19 
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)20 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
21     GError *error = NULL;
22     GdkPixbuf *pixbuf;
23     GFile *file;
24     GInputStream *stream;
25 
26     char *tmpfile = fuzzer_get_tmpfile(data, size);
27     file = g_file_new_for_path(tmpfile);
28     stream = (GInputStream *) g_file_read(file, NULL, &error);
29     if (error != NULL) {
30         g_clear_error(&error);
31         g_object_unref(file);
32         fuzzer_release_tmpfile(tmpfile);
33         return 0;
34     }
35 
36     pixbuf = gdk_pixbuf_new_from_stream(stream, NULL, &error);
37     if (pixbuf != NULL) {
38         g_object_unref(pixbuf);
39     }
40 
41     g_clear_error(&error);
42     g_object_unref(stream);
43     g_object_unref(file);
44     fuzzer_release_tmpfile(tmpfile);
45     return 0;
46 }
47