mirror of https://github.com/google/oss-fuzz.git
47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
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// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include <stddef.h>
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#include <stdint.h>
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#include <string.h>
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#include <hb.h>
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#include <hb-ot.h>
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// Entry point for LibFuzzer.
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
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const char* dataPtr = reinterpret_cast<const char*>(data);
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hb_blob_t* blob = hb_blob_create(dataPtr, size, HB_MEMORY_MODE_READONLY, NULL,
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NULL);
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hb_face_t* face = hb_face_create(blob, 0);
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hb_font_t* font = hb_font_create(face);
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hb_ot_font_set_funcs(font);
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hb_font_set_scale(font, 12, 12);
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{
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const char text[] = "ABCDEXYZ123@_%&)*$!";
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hb_buffer_t* buffer = hb_buffer_create();
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hb_buffer_add_utf8(buffer, text, -1, 0, -1);
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hb_buffer_guess_segment_properties(buffer);
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hb_shape(font, buffer, NULL, 0);
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hb_buffer_destroy(buffer);
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}
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uint32_t text32[16] = { 0 };
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if (size > sizeof(text32)) {
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memcpy(text32, data + size - sizeof(text32), sizeof(text32));
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hb_buffer_t* buffer = hb_buffer_create();
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size_t text32len = sizeof(text32) / sizeof(text32[0]);
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hb_buffer_add_utf32(buffer, text32, text32len, 0, -1);
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hb_buffer_guess_segment_properties(buffer);
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hb_shape(font, buffer, NULL, 0);
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hb_buffer_destroy(buffer);
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}
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hb_font_destroy(font);
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hb_face_destroy(face);
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hb_blob_destroy(blob);
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return 0;
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}
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