memory3.c

来自「source code of begin linux programming」· C语言 代码 · 共 24 行

#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>

#define ONE_K (1024)

int main() {
    char *some_memory;
    int  size_to_allocate = ONE_K;
    int  megs_obtained = 0;
    int  ks_obtained = 0;

    while (1) {
        for (ks_obtained = 0; ks_obtained < 1024; ks_obtained++) {
            some_memory = (char *)malloc(size_to_allocate);
            if (some_memory == NULL) exit(EXIT_FAILURE);
            sprintf(some_memory, "Hello World");
        }
        megs_obtained++;
        printf("Now allocated %d Megabytes\n", megs_obtained);
    }
    exit(EXIT_SUCCESS);
}