#include <stdio.h>

#include <string.h>

#include <stdlib.h>

void print_size(size_t size)

{

if(size / 1024 == 0) {

printf("malloc %d Bytes success\n", size);

return;

}

size /= 1024;

if(size / 1024 == 0) {

printf("malloc %d K success\n", size);

return;

}

size /= 1024;

if(size / 1024 == 0) {

printf("malloc %d M success\n", size);

return;

}

size /= 1024;

if(size / 1024 == 0) {

printf("malloc %d G success\n", size);

return;

}

size /= 1024;

printf("malloc %d T success\n", size);

}

int malloc_test()

{

size_t step = 1024;

for(size_t i = 0; ; i+=step) {

void *p = malloc(i);

if(p == NULL) {

perror("malloc failed.");

exit(-1);

} else {

print_size(i);

free(p);

}

if(i / step > 1024)

step *= 1024;

}

}

int main(int argc, char *argv[])

{

malloc_test();

}