1 #include <stddef.h> 2 #include <hb.h> 3 #include <hb-ot.h> 4 #include <string.h> 5 6 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { 7 8 hb_blob_t *blob = hb_blob_create((const char *)data, size, 9 HB_MEMORY_MODE_READONLY, NULL, NULL); 10 hb_face_t *face = hb_face_create(blob, 0); 11 hb_font_t *font = hb_font_create(face); 12 hb_ot_font_set_funcs(font); 13 hb_font_set_scale(font, 12, 12); 14 15 { 16 const char text[] = "ABCDEXYZ123@_%&)*$!"; 17 hb_buffer_t *buffer = hb_buffer_create(); 18 hb_buffer_add_utf8(buffer, text, -1, 0, -1); 19 hb_buffer_guess_segment_properties(buffer); 20 hb_shape(font, buffer, NULL, 0); 21 hb_buffer_destroy(buffer); 22 } 23 24 uint32_t text32[16]; 25 if (size > sizeof(text32)) { 26 memcpy(text32, data + size - sizeof(text32), sizeof(text32)); 27 hb_buffer_t *buffer = hb_buffer_create(); 28 hb_buffer_add_utf32(buffer, text32, sizeof(text32)/sizeof(text32[0]), 0, -1); 29 hb_buffer_guess_segment_properties(buffer); 30 hb_shape(font, buffer, NULL, 0); 31 hb_buffer_destroy(buffer); 32 } 33 34 35 hb_font_destroy(font); 36 hb_face_destroy(face); 37 hb_blob_destroy(blob); 38 return 0; 39 } 40 41 #ifdef MAIN 42 #include <iostream> 43 #include <iterator> 44 #include <fstream> 45 #include <assert.h> 46 47 std::string FileToString(const std::string &Path) { 48 /* TODO This silently passes if file does not exist. Fix it! */ 49 std::ifstream T(Path.c_str()); 50 return std::string((std::istreambuf_iterator<char>(T)), 51 std::istreambuf_iterator<char>()); 52 } 53 54 int main(int argc, char **argv) { 55 for (int i = 1; i < argc; i++) { 56 std::string s = FileToString(argv[i]); 57 std::cout << argv[i] << std::endl; 58 LLVMFuzzerTestOneInput((const unsigned char*)s.data(), s.size()); 59 } 60 } 61 #endif 62
