tests/test-strtok_r.c

   1 /*
   2  * Copyright (c) 2010 Nicira, Inc.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at:
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include <config.h>
  18 #include <stdio.h>
  19 #include <string.h>
  20
  21 /* Some versions of glibc 2.7 has a bug in strtok_r when with optimization that
  22  * can cause segfaults:
  23  *      http://sources.redhat.com/bugzilla/show_bug.cgi?id=5614.
  24  *
  25  * Open vSwitch works around this problem by supplying a replacement string.h.
  26  * This test program verifies that the workaround is in place.
  27  */
  28 int
  29 main(void)
  30 {
  31     char string[] = ":::";
  32     char *save_ptr = (char *) 0xc0ffee;
  33     char *token1, *token2;
  34     token1 = strtok_r(string, ":", &save_ptr);
  35     token2 = strtok_r(NULL, ":", &save_ptr);
  36     printf ("%s %s\n", token1 ? token1 : "NULL", token2 ? token2 : "NULL");
  37     return 0;
  38 }