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 30
