62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
#include <stddef.h>
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#include <hb.h>
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#include <hb-ot.h>
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#include <string.h>
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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hb_blob_t *blob = hb_blob_create((const char *)data, size,
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HB_MEMORY_MODE_READONLY, NULL, 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];
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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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hb_buffer_add_utf32(buffer, text32, sizeof(text32)/sizeof(text32[0]), 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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#ifdef MAIN
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#include <iostream>
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#include <iterator>
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#include <fstream>
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#include <assert.h>
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std::string FileToString(const std::string &Path) {
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/* TODO This silently passes if file does not exist. Fix it! */
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std::ifstream T(Path.c_str());
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return std::string((std::istreambuf_iterator<char>(T)),
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std::istreambuf_iterator<char>());
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}
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int main(int argc, char **argv) {
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for (int i = 1; i < argc; i++) {
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std::string s = FileToString(argv[i]);
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std::cout << argv[i] << std::endl;
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LLVMFuzzerTestOneInput((const unsigned char*)s.data(), s.size());
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}
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}
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#endif
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