gcc/testsuite/c-c++-common/analyzer/function-ptr-4.c

   1 /* Test to see if the analyzer detect and analyze calls via
   2    function pointers or not.  */
   3
   4 #include <stdlib.h>
   5
   6 void fun(int *int_ptr)
   7 {
   8         free(int_ptr); /* { dg-warning "double-'free' of 'int_ptr'" } */
   9 }
  10
  11 void single_call()
  12 {
  13         int *int_ptr = (int*)malloc(sizeof(int));
  14         void (*fun_ptr)(int *) = &fun;
  15         (*fun_ptr)(int_ptr);
  16 }
  17
  18 void double_call()
  19 {
  20         int *int_ptr = (int*)malloc(sizeof(int));
  21         void (*fun_ptr)(int *) = &fun;
  22         (*fun_ptr)(int_ptr); /* { dg-message "calling 'fun' from 'double_call'" } */
  23         (*fun_ptr)(int_ptr);
  24 }