mirror of https://github.com/google/oss-fuzz.git
72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
/* Copyright 2022 Google LLC
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include "config.h"
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#include "libglnx.h"
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#include "bsdiff/bsdiff.h"
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#include "bsdiff/bspatch.h"
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#include <glib.h>
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#include <stdlib.h>
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#include <gio/gio.h>
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#include <string.h>
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int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
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static int
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bzdiff_write (struct bsdiff_stream* stream, const void* buffer, int size)
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{
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GOutputStream *out = stream->opaque;
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if (! g_output_stream_write (out,
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buffer,
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size,
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NULL,
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NULL)) {
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return -1;
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}
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return 0;
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}
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int
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LLVMFuzzerTestOneInput (const uint8_t *data,
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size_t size)
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{
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#define NEW_SIZE (512+24)
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struct bsdiff_stream bsdiff_stream;
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struct bspatch_stream bspatch_stream;
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int i;
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g_autofree guint8 *old = g_new (guint8, size);
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g_autofree guint8 *new = g_new (guint8, NEW_SIZE);
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g_autofree guint8 *new_generated = g_new0 (guint8, NEW_SIZE);
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g_autoptr(GOutputStream) out = g_memory_output_stream_new_resizable ();
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g_autoptr(GInputStream) in = NULL;
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new[0] = 'A';
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for (i = 0; i < size; i++) {
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old[i] = data[i];
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}
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for (i = 0; i < NEW_SIZE; i++) {
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new[i] = i;
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}
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bsdiff_stream.malloc = malloc;
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bsdiff_stream.free = free;
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bsdiff_stream.write = bzdiff_write;
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bsdiff_stream.opaque = out;
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bsdiff (old, size, new, NEW_SIZE, &bsdiff_stream);
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return 0;
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}
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