#include "hb-fuzzer.hh" #include <hb-ot.h> #include <string.h> extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { hb_blob_t *blob = hb_blob_create((const char *)data, size, HB_MEMORY_MODE_READONLY, NULL, NULL); hb_face_t *face = hb_face_create(blob, 0); hb_font_t *font = hb_font_create(face); hb_ot_font_set_funcs(font); hb_font_set_scale(font, 12, 12); { const char text[] = "ABCDEXYZ123@_%&)*$!"; hb_buffer_t *buffer = hb_buffer_create(); hb_buffer_add_utf8(buffer, text, -1, 0, -1); hb_buffer_guess_segment_properties(buffer); hb_shape(font, buffer, NULL, 0); hb_buffer_destroy(buffer); } uint32_t text32[16]; if (size > sizeof(text32)) { memcpy(text32, data + size - sizeof(text32), sizeof(text32)); hb_buffer_t *buffer = hb_buffer_create(); hb_buffer_add_utf32(buffer, text32, sizeof(text32)/sizeof(text32[0]), 0, -1); hb_buffer_guess_segment_properties(buffer); hb_shape(font, buffer, NULL, 0); unsigned int len = hb_buffer_get_length (buffer); hb_glyph_info_t *infos = hb_buffer_get_glyph_infos (buffer, NULL); //hb_glyph_position_t *positions = hb_buffer_get_glyph_positions (buffer, NULL); for (unsigned int i = 0; i < len; i++) { hb_glyph_info_t info = infos[i]; //hb_glyph_position_t pos = positions[i]; hb_glyph_extents_t extents; hb_font_get_glyph_extents (font, info.codepoint, &extents); } hb_buffer_destroy(buffer); } hb_font_destroy(font); hb_face_destroy(face); hb_blob_destroy(blob); return 0; }