check that stat completes correctly

2014-11-10 10:07:35 +01:00
parent 4fd1cf953e
commit c14f53dfad
1 changed files with 4 additions and 1 deletions
@@ -417,7 +417,10 @@ static bool import_cert(ykpiv_state *state, enum enum_key_format cert_format,
  } else if (cert_format == key_format_arg_GZIP) {
    struct stat st;

-    fstat(fileno(input_file), &st);
+    if(fstat(fileno(input_file), &st) == -1) {
+      fprintf(stderr, "Failed checking input GZIP file.\n");
+      goto import_cert_out;
+    }
    cert_len = st.st_size;
    compress = 0x01;
  } else {