| #include "hb-fuzzer.hh" |
| |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include "hb-subset.h" |
| |
| |
| void trySubset (hb_face_t *face, |
| const hb_codepoint_t text[], |
| int text_length, |
| bool drop_hints) |
| { |
| hb_subset_profile_t *profile = hb_subset_profile_create (); |
| |
| hb_subset_input_t *input = hb_subset_input_create_or_fail (); |
| *hb_subset_input_drop_hints(input) = drop_hints; |
| hb_set_t *codepoints = hb_subset_input_unicode_set (input); |
| |
| for (int i = 0; i < text_length; i++) |
| { |
| hb_set_add (codepoints, text[i]); |
| } |
| |
| hb_face_t *result = hb_subset (face, profile, input); |
| hb_face_destroy (result); |
| |
| hb_subset_input_destroy (input); |
| hb_subset_profile_destroy (profile); |
| } |
| |
| 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); |
| |
| const hb_codepoint_t text[] = |
| { |
| 'A', 'B', 'C', 'D', 'E', 'X', 'Y', 'Z', '1', '2', |
| '3', '@', '_', '%', '&', ')', '*', '$', '!' |
| }; |
| |
| trySubset (face, text, sizeof (text) / sizeof (hb_codepoint_t), true); |
| trySubset (face, text, sizeof (text) / sizeof (hb_codepoint_t), false); |
| |
| hb_codepoint_t text_from_data[16]; |
| if (size > sizeof(text_from_data)) { |
| memcpy(text_from_data, |
| data + size - sizeof(text_from_data), |
| sizeof(text_from_data)); |
| unsigned int text_size = sizeof (text_from_data) / sizeof (hb_codepoint_t); |
| trySubset (face, text_from_data, text_size, true); |
| trySubset (face, text_from_data, text_size, false); |
| } |
| |
| hb_face_destroy (face); |
| hb_blob_destroy (blob); |
| |
| return 0; |
| } |