Integrate oss-fuzz targets

fuzzing/driver.c

@@ -0,0 +1,32 @@
+/* Simpler gnu89 version of StandaloneFuzzTargetMain.c from LLVM */
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+extern int LLVMFuzzerTestOneInput (const unsigned char *data, size_t size);
+
+int
+main (int argc, char **argv)
+{
+  FILE *f;
+  size_t n_read, len;
+  unsigned char *buf;
+
+  if (argc < 2)
+    return 1;
+
+  f = fopen (argv[1], "r");
+  assert (f);
+  fseek (f, 0, SEEK_END);
+  len = ftell (f);
+  fseek (f, 0, SEEK_SET);
+  buf = (unsigned char*) malloc (len);
+  n_read = fread (buf, 1, len, f);
+  assert (n_read == len);
+  LLVMFuzzerTestOneInput (buf, len);
+
+  free (buf);
+  printf ("Done!\n");
+  return 0;
+}