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

   1 /* Copyright (C) 2009 Pierre-Marc Fournier
   2  *
   3  * SPDX-License-Identifier: LGPL-2.1-only
   4  *
   5  */
   6
   7 /* This program is used to test malloc instrumentation with libustinstr-malloc.
   8  */
   9
  10 #include <string.h>
  11 #include <stdlib.h>
  12
  13 #define N_ITER 1000
  14
  15 int main(void)
  16 {
  17         int i;
  18         const char teststr[] = "Hello World! 1234567890abc";
  19         void *ptrs[N_ITER];
  20
  21         for (i = 0; i < N_ITER; i++) {
  22                 ptrs[i] = malloc(i+1000);
  23                 if (!ptrs[i]) {
  24                         exit(EXIT_FAILURE);
  25                 }
  26
  27                 memcpy(ptrs[i], teststr, sizeof(teststr));
  28
  29                 if (i % 2 == 0) {
  30                         free(ptrs[i]);
  31                 }
  32         }
  33
  34         for (i = 0; i < N_ITER; i++) {
  35                 if (i % 2 == 1)
  36                         free(ptrs[i]);
  37         }
  38
  39         return 0;
  40 }