c_cpp 分段故障と总线错误を再现するためのもの

Posted 2021-05-14

int main(int argc, char* argv[]) {
	unsigned char c[1];
	static unsigned char s[1];
	char mode = argc == 2 ? argv[1][0] : '\0';

	for(int i = 0; ; i++){
		switch(mode) {
			case '0':
				c[0] = s[i];
				break;
			case '1':
				s[i] = '\0';
				break;
			case '2':
				s[0] = c[i];
				break;
			default:
				c[i] = '\0';
		}
	}
	return 0;
}