memcheck/tests/badfree.c

   1
   2
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5 static void* return_arg(void* q);
   6 int main ( void )
   7 {
   8    void* p = (void*)0x87654321;
   9    int q[] = { 1, 2, 3 };
  10
  11    /* Free a pointer to Never-Never Land */
  12    free(p);
  13
  14    /* Free a pointer to a stack block */
  15    free(return_arg(q));
  16
  17    return 0;
  18 }
  19
  20 /*
  21  * The only purpose of the function below is to make sure that gcc 4.4.x does
  22  * not print the following warning during the compilation of this test program:
  23  * warning: attempt to free a non-heap object
  24  */
  25 static void* return_arg(void* q)
  26 {
  27    return q;
  28 }
  29