1 #include <stdlib.h> 2 main(void)3int main(void) 4 { // All sizes are multiples of 16 -- no slop. 5 int* x = realloc(NULL, 800); // equivalent to malloc(800), and ends up 6 int* y __attribute__((unused)); // calling Valgrind's (and Massif's) malloc 7 8 x = realloc(x, 800); // same size 9 10 x = realloc(x, 400); // smaller 11 12 x = realloc(x, 1200); // bigger 13 14 y = realloc(x+10, 1600); // bogus realloc 15 16 x = realloc(x, 0); // equivalent to free(x), and ends up 17 // calling Valgrind's (and Massif's) free 18 return 0; 19 } 20