*** old/src/share/vm/runtime/arguments.cpp	Thu Oct  3 13:55:41 2013
--- new/src/share/vm/runtime/arguments.cpp	Thu Oct  3 13:55:41 2013

*** 2682,2704 ****
--- 2682,2706 ----
          return JNI_EINVAL;
        }
        FLAG_SET_CMDLINE(uintx, MaxHeapSize, (uintx)long_max_heap_size);
      // Xmaxf
      } else if (match_option(option, "-Xmaxf", &tail)) {
!       int maxf = (int)(atof(tail) * 100);
!       if (maxf < 0 || maxf > 100) {
!       char* err;
!       int maxf = (int)(strtod(tail, &err) * 100);
+       if (*err != '\0' || maxf < 0 || maxf > 100) {
          jio_fprintf(defaultStream::error_stream(),
                      "Bad max heap free percentage size: %s\n",
                      option->optionString);
          return JNI_EINVAL;
        } else {
          FLAG_SET_CMDLINE(uintx, MaxHeapFreeRatio, maxf);
        }
      // Xminf
      } else if (match_option(option, "-Xminf", &tail)) {
!       int minf = (int)(atof(tail) * 100);
!       if (minf < 0 || minf > 100) {
!       char* err;
!       int minf = (int)(strtod(tail, &err) * 100);
+       if (*err != '\0' || minf < 0 || minf > 100) {
          jio_fprintf(defaultStream::error_stream(),
                      "Bad min heap free percentage size: %s\n",
                      option->optionString);
          return JNI_EINVAL;
        } else {