#include <stddef.h>
#include <hb.h>
#include <hb-ot.h>
+#include <string.h>
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
- const char text[] = "ABCDEXYZ123@_%&)*$!";
hb_blob_t *blob = hb_blob_create((const char *)data, size,
HB_MEMORY_MODE_READONLY, NULL, NULL);
hb_ot_font_set_funcs(font);
hb_font_set_scale(font, 12, 12);
- hb_buffer_t *buffer = hb_buffer_create();
- hb_buffer_add_utf8(buffer, text, -1, 0, -1);
- hb_buffer_guess_segment_properties(buffer);
+ {
+ const char text[] = "ABCDEXYZ123@_%&)*$!";
+ 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);
+ hb_buffer_destroy(buffer);
+ }
- hb_shape(font, buffer, NULL, 0);
- hb_buffer_destroy(buffer);
hb_font_destroy(font);
hb_face_destroy(face);
hb_blob_destroy(blob);