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      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
     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