1 #include "hb-fuzzer.hh"
6 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
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);
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);
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);
32 unsigned int len = hb_buffer_get_length (buffer);
33 hb_glyph_info_t *infos = hb_buffer_get_glyph_infos (buffer, NULL);
34 //hb_glyph_position_t *positions = hb_buffer_get_glyph_positions (buffer, NULL);
35 for (unsigned int i = 0; i < len; i++)
37 hb_glyph_info_t info = infos[i];
38 //hb_glyph_position_t pos = positions[i];
40 hb_glyph_extents_t extents;
41 hb_font_get_glyph_extents (font, info.codepoint, &extents);
44 hb_buffer_destroy(buffer);
48 hb_font_destroy(font);
49 hb_face_destroy(face);
50 hb_blob_destroy(blob);