malloc+;内存泄漏?
与:malloc+;内存泄漏?,c,memory,memory-management,malloc,strdup,C,Memory,Memory Management,Malloc,Strdup,与: 如果我只释放它一次,我还会泄漏吗?如果是这样,如何避免它呢?由于忘记了第一个指针而导致内存泄漏。这样做: char *x = malloc(1024); strcpy(x, "asdf"); x = strdup(x); free(x); // OK free(x); // Segfault char * x = malloc(1024); strcpy(x, "asdf"); char * y = strdup(x); free(x); free(y);
如果我只释放它一次,我还会泄漏吗?如果是这样,如何避免它呢?由于忘记了第一个指针而导致内存泄漏。这样做:
char *x = malloc(1024);
strcpy(x, "asdf");
x = strdup(x);
free(x); // OK
free(x); // Segfault
char * x = malloc(1024);
strcpy(x, "asdf");
char * y = strdup(x);
free(x);
free(y);