+#include <stdio.h>
+#include <string.h>
+#include <cstdint>
+#include <vorbis/vorbisfile.h>
+
+struct vorbis_data {
+ const uint8_t *current;
+ const uint8_t *data;
+ size_t size;
+};
+
+size_t read_func(void *ptr, size_t size1, size_t size2, void *datasource) {
+ vorbis_data* vd = (vorbis_data *)(datasource);
+ size_t len = size1 * size2;
+ if (vd->current + len > vd->data + vd->size) {
+ len = vd->data + vd->size - vd->current;
+ }
+ memcpy(ptr, vd->current, len);
+ vd->current += len;
+ return len;
+}
+
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+ ov_callbacks memory_callbacks = {0};
+ memory_callbacks.read_func = read_func;
+ vorbis_data data_st;
+ data_st.size = Size;
+ data_st.current = Data;
+ data_st.data = Data;
+ OggVorbis_File vf;
+ int result = ov_open_callbacks(&data_st, &vf, NULL, 0, memory_callbacks);
+ if (result < 0) {
+ return 0;
+ }
+ int current_section = 0;
+ int eof = 0;
+ char buf[4096];
+ int read_result;
+ while (!eof) {
+ read_result = ov_read(&vf, buf, sizeof(buf), 0, 2, 1, ¤t_section);
+ if (read_result != OV_HOLE && read_result <= 0) {
+ eof = 1;
+ }
+ }
+ ov_clear(&vf);
+ return 0;
+}