1 /* Test for memory/CPU leak in regcomp.  */
2 
3 #ifdef HAVE_CONFIG_H
4 #include "config.h"
5 #endif
6 
7 #include <sys/types.h>
8 #include <sys/time.h>
9 #include <sys/resource.h>
10 #include <regex.h>
11 #include <stdio.h>
12 #include <stdlib.h>
13 
14 #define TEST_DATA_LIMIT (32 << 20)
15 
16 int
main()17 main ()
18 {
19 #ifdef RLIMIT_DATA
20   regex_t re;
21   int reerr;
22 
23   /* Try to avoid eating all memory if a test leaks.  */
24   struct rlimit data_limit;
25   if (getrlimit (RLIMIT_DATA, &data_limit) == 0)
26     {
27       if ((rlim_t) TEST_DATA_LIMIT > data_limit.rlim_max)
28 	data_limit.rlim_cur = data_limit.rlim_max;
29       else if (data_limit.rlim_cur > (rlim_t) TEST_DATA_LIMIT)
30 	data_limit.rlim_cur = (rlim_t) TEST_DATA_LIMIT;
31       if (setrlimit (RLIMIT_DATA, &data_limit) < 0)
32 	perror ("setrlimit: RLIMIT_DATA");
33     }
34   else
35     perror ("getrlimit: RLIMIT_DATA");
36 
37   reerr = regcomp (&re, "^6?3?[25]?5?[14]*[25]*[69]*+[58]*87?4?$",
38 		   REG_EXTENDED | REG_NOSUB);
39   if (reerr != 0)
40     {
41       char buf[100];
42       regerror (reerr, &re, buf, sizeof buf);
43       printf ("regerror %s\n", buf);
44       return 1;
45     }
46 
47   return 0;
48 #else
49   return 77;
50 #endif
51 }
52