tests/regression/ust/libc-wrapper/prog.c

   1 /* Copyright (C) 2009  Pierre-Marc Fournier
   2  *
   3  * This library is free software; you can redistribute it and/or
   4  * modify it under the terms of the GNU Lesser General Public
   5  * License as published by the Free Software Foundation; either
   6  * version 2.1 of the License, or (at your option) any later version.
   7  *
   8  * This library is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * Lesser General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU Lesser General Public
  14  * License along with this library; if not, write to the Free Software
  15  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
  16  */
  17
  18 /* This program is used to test malloc instrumentation with libustinstr-malloc.
  19  */
  20
  21 #include <string.h>
  22 #include <stdlib.h>
  23
  24 #define N_ITER 1000
  25
  26 int main(int argc, char **argv)
  27 {
  28         int i;
  29         const char teststr[] = "Hello World! 1234567890abc";
  30         void *ptrs[N_ITER];
  31
  32         for (i = 0; i < N_ITER; i++) {
  33                 ptrs[i] = malloc(i+1000);
  34                 if (!ptrs[i]) {
  35                         exit(EXIT_FAILURE);
  36                 }
  37
  38                 memcpy(ptrs[i], teststr, sizeof(teststr));
  39
  40                 if (i % 2 == 0) {
  41                         free(ptrs[i]);
  42                 }
  43         }
  44
  45         for (i = 0; i < N_ITER; i++) {
  46                 if (i % 2 == 1)
  47                         free(ptrs[i]);
  48         }
  49
  50         return 0;
  51 }